ammonium hydroxide has been researched along with urea in 2490 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 1342 (53.90) | 18.7374 |
| 1990's | 364 (14.62) | 18.2507 |
| 2000's | 343 (13.78) | 29.6817 |
| 2010's | 317 (12.73) | 24.3611 |
| 2020's | 124 (4.98) | 2.80 |
| Authors | Studies |
|---|---|
| Brzozowski, T; Hahn, EG; Konturek, P; Konturek, SJ; Sliwowski, Z; Szlachcic, A | 1 |
| Brzozowski, T; Drozdowicz, D; Konturek, SJ; Majka, J; Sliwowski, Z | 1 |
| Maibach, HI; Willard, P; Zhai, H | 1 |
| Chen, CC; Chen, CY; Lee, HC; Wang, SM; Yang, CK | 1 |
| Adams, JC; Hellewell, AL; Rosini, S | 1 |
| Das, HK | 1 |
| Cooper, T; Gorski, M; Sumrada, R | 1 |
| Pinzon, FJ; Wing, JM | 1 |
| Derr, RF; Zieve, L | 1 |
| Skadhauge, E | 1 |
| Mahoney, MJ | 1 |
| Kraus, H; Stubbe, P; von Berg, W | 1 |
| Gerst, JW; Thorson, TB | 2 |
| Cobley, JG; Haddock, BA | 1 |
| Al-Gharawi, A; Moore, D | 1 |
| Akerboom, TP; Sies, H; Tager, JM | 1 |
| Bartley, EE; Bechtle, RM; Chapman, TE; Davidovich, A; Dayton, AD; Frey, RA | 1 |
| Hayflick, L; Masover, GK; Razin, S | 1 |
| Seglen, PO | 2 |
| Oberholzer, VG; Palmer, T | 1 |
| Bajo, M; Leng, L; Szányiová, M; Várady, J | 1 |
| Clinton, CW; Gibson, JR; Griffith, DP; Musher, DM | 1 |
| Pernecco, LC; Virdis, RU | 1 |
| Kopstein, J; Wrong, OM | 1 |
| Mullen, PA | 2 |
| Bocian, ME; Cederbaum, SD; Raijman, L; Shapiro, LJ; Shaw, KN | 1 |
| Miller, JM | 1 |
| Kleinberg, I; Singer, DL | 2 |
| Buckley, JA; Liming, BD; Whitmore, CM | 1 |
| McConnell, JB; Murison, J; Stewart, WK | 1 |
| Barry, JL; Champredon, C; Debras, E; Pion, R | 1 |
| Barej, W; Chomyszyn, M; Kulasek, G; Leontowicz, H | 1 |
| Bueno, L | 1 |
| Matusiak, K | 1 |
| Ostrowski, M | 1 |
| Przytocka-Jsiak, M | 1 |
| Nordmann, J; Nordmann, R; Petit, MA | 2 |
| Butterfield-Hodgdon, GE; Calloway, DH; Costa, F | 1 |
| Horoch, M; Leszczyńska-Gerula, K; Matusiak, K; Przytocka-Jusiak, M | 1 |
| Bisz-Konarzewska, A; Blaszczyk, M; Matusiak, K; Mycielski, R | 1 |
| Barannikova, IA | 2 |
| Matiiash, VV; Varvashevich, TN | 1 |
| Krogulska, B; Mycielski, R; Szurek, A | 1 |
| Bod'a, K; Fejes, J; Várady, J | 2 |
| Allen, MM; Chee, HL; Weathers, PJ | 1 |
| Gardner, DF; Kaplan, MM; Stanley, CA; Utiger, RD | 1 |
| Golden, MH; Jackson, AA; Taruvinga, M | 1 |
| Gärtner, K; Pfaff, J | 1 |
| Kellaway, RC; Leibholz, J | 1 |
| Marzluf, GA; Reinert, WR | 1 |
| Gooden, D; Premakumar, R; Sorger, GJ | 1 |
| Imler, M; Schlienger, JL | 3 |
| Chase, HP; Glasgow, AM | 3 |
| Batshaw, M; Brusilow, S; Walser, M | 1 |
| Fripiat, JJ; Poncelet, G; Van Assche, AT | 1 |
| Bove, K; Brown, H; Brown, T; Hug, G; Lansky, L; Lloyd-Still, J; Partin, JC; Ryan, M; Scheve, A; Schubert, WK | 1 |
| Page, WJ; Sadoff, HL | 1 |
| Hayase, K; Yokogoshi, H; Yoshida, A | 2 |
| Janssens, PA; Woof, C | 1 |
| Fiedler, HJ; Mai, H | 2 |
| Richards, P | 3 |
| Newman, KC; Thomas, RE | 1 |
| Balls, M; Monnickendam, MA | 1 |
| Brown, RL; Clark, ML; Fenton, JC; Gibson, JA; Sladen, GE; Snedden, W | 1 |
| Bücher, T; Sies, H; Summer, KH | 1 |
| Melsen, B; Rölla, G | 1 |
| Hie, TB; Kolthoff, IM; Yamashita, K | 1 |
| Bakko, EB | 1 |
| Esposito, R; Giordano, C; Pluvio, M | 2 |
| O'Malley, KL; Terwilliger, RC | 1 |
| Friedl, FE | 2 |
| Wright, DJ | 1 |
| Klein, E | 1 |
| Becker, W; Schmale, H | 1 |
| Ansley, JD; Isaacs, JW; Kutner, MH; Nordlinger, BM; Rikkers, LF; Rudman, D | 1 |
| Gerok, W; Pausch, J | 1 |
| Drainas, C; Pateman, JA | 1 |
| Jentsch, F | 1 |
| Brenner, DJ; Farmer, JJ; Hickman, FW; Rickenbach, DG; Schreiber, M | 1 |
| Shambaugh, GE | 2 |
| Holland, FF; Klein, E; Lebeouf, A; Montalvo, JG; Wawro, R | 1 |
| Bláha, J; Jirka, J; Kocandrle, V; Marecková, O; Reneltová, I; Růzicková, J; Skála, I; Straková, M; Zvolánková, K | 1 |
| Devroede, GJ; Phillips, SF | 1 |
| Visek, WJ | 5 |
| Brachmann, K | 1 |
| Horback, L; Müting, D | 1 |
| Daneshvar, K; Salter, DN; Smith, RH | 1 |
| Hensgens, HE; Meijer, AJ | 2 |
| Jeevanandam, M; Kinney, JM; Long, CL | 1 |
| Chang, TM; Malouf, C | 2 |
| Zlatnik, FJ | 1 |
| Ito, K; Koyama, K; Owada, Y; Sato, T; Watabe, S; Yamauchi, H | 1 |
| Freund, H; Frick, A; Imler, M; Marbach, J; Schlienger, JL | 1 |
| Veach, GL; Weber, FL | 1 |
| Freedland, RA; Story, DL; Triebwasser, KC | 1 |
| Chang, TM; Piskin, E | 4 |
| Clark, JH; Spires, HR | 1 |
| Batzenschlager, A; Imler, M; Schlienger, JL | 1 |
| Raijman, L | 1 |
| Nolan, JV; Stachiw, S | 1 |
| Georges, J | 1 |
| Ichihara, A; Kishi, K; Tanaka, K | 1 |
| Coll, KE; Wałajtys-Rode, E; Williamson, JR | 1 |
| Colombo, JP | 7 |
| Prokopenko, LS; Zaporozhets, NF | 1 |
| Arutiunian, LA | 1 |
| Gruhn, K; Hennig, A; Jahreis, G | 1 |
| Obara, Y; Shimbayashi, K | 2 |
| Cheng, KJ; Wallace, RJ | 1 |
| Häussinger, D; Sies, H | 1 |
| Ha, YH; Milner, JA | 1 |
| Mel'k, MV | 1 |
| Hendratno, C; Sastradipradja, D; Sofjan, LA; Sutardi, T | 1 |
| Agishi, T; Aida, K; Era, K; Kaneko, I; Ota, K; Suwa, S | 1 |
| Abaza, MA; Abou Akkada, AR; Borhami, BE; el-Shazly, K; Naga, MA; Nour, AM | 1 |
| Wallace, RJ | 1 |
| Boivin, R; Bost, J; Camier, Y; Peyrard, C | 1 |
| Fioramonti, J; Ruckebusch, Y | 1 |
| Böhles, H; Fekl, W; Harms, D; Heid, H; Sitzmann, FC | 1 |
| Shatokhin, VV; Soldatenkov, PF | 1 |
| Lee, DJ | 1 |
| Kauffold, P; Piatkowski, B; Voigt, J | 1 |
| Bakker, IT; Veen, WA | 1 |
| Czarnetzki, HD; Faust, H; Hartig, W; Martin, H; Martin, R; Wetzel, K | 1 |
| Chico, E; Núñez de Castro, I; Olavarría, JS | 1 |
| Kim, S; Lee, HW; Paik, WK | 1 |
| Bovard, KP; Fontenot, JP; Oltjen, RR; Priode, BM; Rumsey, TS | 1 |
| McDonald, I; Mehrez, AZ; Orskov, ER | 1 |
| Schwarz, E | 3 |
| Boivin, R; Bost, J | 1 |
| Katz, S; Kligman, AM; Leyden, JJ; Stewart, R | 1 |
| Itabisashi, T | 5 |
| Casolo, L; Virdis, R | 1 |
| Bartley, EE; Bechtle, RM; Davidovich, A; Dayton, AD; Deyoe, CW; Milliken, GA | 1 |
| Seglen, PO; Solheim, AE | 1 |
| Corbin, JE; Ha, YH; Milner, JA | 1 |
| Gordon, MS; Ng, WW; Yip, AY | 1 |
| Deleeuw, G; Gimpel, JA; Meijer, AJ; Tager, JM; Tischler, ME; Williamson, JR | 1 |
| Hatchwell, LC; Milner, JA | 2 |
| Carmichael, FJ; Israel, Y; Kalant, H; Khanna, JM; Orrego, H; Phillips, MJ | 1 |
| Kennedy, PM; Milligan, LP | 1 |
| Milner, JA; Visek, WJ | 4 |
| Govindappa, S; Haranath, VB; Rao, MR; Reddanna, P; Swami, KS | 1 |
| Wrong, O | 3 |
| Dohm, GL; Edge, A; Puente, FR; Smith, CP | 1 |
| Camargo, EP; Yoshida, N | 1 |
| Bartko, D; Danisová, J; Hededüsová, B; Ivanová, M | 1 |
| Fetisova, TV | 2 |
| de la Higuera, M; Mataix, FJ; Sanchez Muniz, FJ; Varela, G | 1 |
| Katsunuma, T; Ohkubo, T; Saheki, T | 1 |
| Halliday, D; Hems, R; Krebs, HA; Lund, P; Read, WW | 1 |
| Alleyne, GA; Bennett, FI; Fine, A | 1 |
| Braham, JE; Bressani, R; Guzmán, MA; Rodríguez de Benítez, AH | 1 |
| Derr, RF; Doizaki, WM; Zieve, L | 1 |
| Aicardi, J; Diebler, C | 1 |
| Bass, GE; Bucovaz, ET; Chenevey, JE; Sandru, D | 1 |
| Chappell, JB; McGivan, JD; Mourão, JM | 1 |
| Cook, AR | 1 |
| Foh, YW | 1 |
| Horne, FR | 4 |
| Ferguson, AG; Lesch, M; Taegtmeyer, H | 1 |
| Felig, P; Hendler, R; Sherwin, RS | 1 |
| Golden, MH; Jackson, AA | 2 |
| Clark, DG; Lee, D | 1 |
| Lietman, PS; Mitch, WE; Walser, M | 1 |
| Harada, K; Suzuki, S | 1 |
| Andel, M; Brodan, V; Brodanova, M; Kuhn, E | 1 |
| Catlin, H; Hayflick, L; Masover, GK | 1 |
| Guilbault, GG; Mascini, M | 1 |
| Jagenburg, R; Jonsson, O; Lundholm, K; Lundstam, S; Nauclér, J; Pettersson, S; Scherstén, T | 1 |
| Iarema, IV; Kuznetsov, EV; Panchenkov, RT; Penin, VA; Urtaev, BM | 1 |
| Iakovlev, VN; Leonov, AN | 1 |
| Aliev, AA | 1 |
| Hatfield, EE; Smith, CJ; Spears, JW | 1 |
| Ivanchenko, KN | 1 |
| Neumayr, A | 1 |
| Freedland, RA; Triebwasser, KC | 1 |
| Bartley, EE; Bechtle, RM; Davidovich, A; Dayton, AD | 1 |
| Glasgow, AM | 2 |
| Salter, DN; Smith, RH | 1 |
| Gilchrist, AJ; Juniper, BE; Robins, RJ | 1 |
| Asher, WJ; Bovee, KC; Hamilton, RW; Holtzapple, PG; Vogler, TC | 1 |
| Malchesky, PS; Nosé, Y | 1 |
| Müting, D | 1 |
| Ellingsen, E; Hambraeus, L; Hardell, LI | 1 |
| Chang, KH; Rao, NS; Reichle, FA; Reichle, RM | 1 |
| Piskunov, VP | 1 |
| Chang, TM; Cousineau, J | 1 |
| Erb, W; Goldberg, P; Leinweber, W | 1 |
| Gips, CH; Hazenberg, HJ | 1 |
| Johnson, RR | 1 |
| Mehrez, AZ; Orskov, ER | 1 |
| Axford, RF; Evans, RA; Offer, NW | 1 |
| Coppock, CE; Lake, GB; Peplowski, MA | 1 |
| Blakemore, WS; Leskiw, MJ; Stein, TP; Wallace, HW | 1 |
| Smith, RH; Williams, AP | 1 |
| Coates, ME; Hewitt, D; Okumura, J; Salter, DN | 1 |
| Shih, VE | 2 |
| Medda, AK; Ray, AK | 1 |
| Baust, G; Bunge, HJ; Nilius, R; Pauer, HD; Zipprich, VB | 1 |
| McLaren, DS; Mroueh, A; Read, WW | 1 |
| Alexander, KM; Shylaja, R | 3 |
| Briggs, S; Freedland, RA | 1 |
| Allen, SA; Miller, EL | 1 |
| Kearn, GC; MacDonald, S | 1 |
| de Bree, PK; Desplanque, J; Gerards, LJ; van Biervliet, JP; van der Heiden, C; van Sprang, FJ; Wadman, SK | 1 |
| Cimino, F; Salvatore, F | 1 |
| Asher, WJ; Bovée, KC; Frankenfeld, JW; Hamilton, RW; Henderson, LW; Holtzapple, PG; Li, NN | 1 |
| Mazia, D; Schatten, G; Steinhardt, R | 1 |
| Kramer, HM; Meriwether, LS | 1 |
| Andersen, JA | 1 |
| Cooper, TG; Sumrada, R | 2 |
| Drasar, BS; Hill, MJ | 1 |
| Cummings, JH | 1 |
| Hubálek, Z; Príkazský, Z | 1 |
| Chesbro, W; Walker, RI | 1 |
| Brandt, JT; Fausto, N; Kesner, L | 1 |
| Roller, MH; Swanson, RN; Yelverton, CC | 1 |
| Clancy, PE; Henley, KS; Laughrey, EG; Lyra, LG | 1 |
| Prior, RL; Visek, WJ; Zimber, A | 1 |
| Davidson, WR; Hodson, RC; Williams, SK | 1 |
| Bishop, SH | 1 |
| Carone, FA; Stolarczyk, J | 1 |
| Colombo, JP; Lavinha, F; Lowenthal, A; Terheggen, HG | 1 |
| Aoki, TT; Brennan, MF; Cahill, GF; Müller, WA | 2 |
| Freedland, RA; Meyer, DJ; Strombeck, DR | 1 |
| Blakemore, WS; Brooks, HB; Leskiw, MJ; Liquori, EM; Stein, TP; Wallace, HW | 1 |
| Read, LJ | 3 |
| Galster, W; Morrison, PR | 1 |
| Chatson, KB; Kurz, WG; LaRue, TA | 1 |
| Umunna, NN; Woods, WR | 1 |
| Eskelin, LE; Perheentupa, J; Rapola, J; Simell, O; Visakorpi, JK | 1 |
| Gatfield, PD; Wolfe, DM | 1 |
| Aprikian, GV; Iboian, SR; Mkrtchian, SA | 1 |
| Aldrete, JS | 1 |
| Burley, RW | 1 |
| Klopfenstein, T; Umunna, NN; Woods, W | 1 |
| Varner, LW; Woods, W | 2 |
| Todorov, NA | 1 |
| Church, DC; Phillips, RL | 1 |
| Deleeuw, GA; Gimpel, JA; Meijer, AJ; Tager, JM; Williamson, JR | 1 |
| McNabb, FM; McNabb, RA | 1 |
| Hemingway, RG; Law, IM | 1 |
| McAllan, AB; Merry, RJ; Smith, RH | 2 |
| Gundalakh, AI; Mel'k, MV; Shcheglova, SA; Volkova, ZA | 1 |
| Argenzio, RA; Wootton, JF | 1 |
| Brown, LN; Buck, WB; Rosiles, R | 1 |
| Vraný, J | 1 |
| Biddle, GN; Evans, JL; Trout, JR | 1 |
| Krebs, HA; Stubbs, M | 1 |
| Krebs, HA | 1 |
| Beaudry, MA; Collu, R; Dallairf, L; Ducharme, JR; Leboeuf, G; Letarte, J; Melancon, SB | 1 |
| Abdel-Nasser, M; Hamed, AS | 1 |
| Leng, RA; Nolan, JV; Norton, BW | 2 |
| Mazanov, A; Nolan, JV | 1 |
| Laws, L; Payne, E | 1 |
| Roffler, RE; Satter, LD; Schwab, CG | 1 |
| DeLong, GR; Snodgrass, PJ | 1 |
| Froslie, A | 1 |
| Burton, SD; Jensen, JB; Jolley, WR; Nyberg, PA | 1 |
| Balls, M; Fleming, N | 1 |
| Borisov, AE; Bruk, AA; Granov, AM; Kabakov, AB; Mikhal'chuk, MA | 1 |
| Leskiw, MJ; Stein, TP; Wallace, HW | 1 |
| Alegret, S; Alonso, J; Gil, MH; Martinez-Fàbregas, E; Orellana, A; Piedade, AP | 1 |
| Luijendijk, IH; Sauer, PJ; van Goudoever, JB; van Lingen, RA; Wattimena, JL | 1 |
| Flipot, PM; Petit, HV | 1 |
| Dejong, CH; Deutz, NE; Kampman, MT; Soeters, PB | 1 |
| Komatsubara, S; Masuda, M; Nishimura, N; Takamatsu, S; Tosa, T | 1 |
| Bianchi, G; Bugianesi, E; Fabbri, A; Marchesini, G; Marchi, E; Pisi, E; Zoli, M | 1 |
| Boroń-Kaczmarska, A; Czarnowski, D; Górski, J; Jóźwiuk, J | 1 |
| Hatase, O; Hosokawa, K; Itano, T; Janjua, N; Kugoh, T | 1 |
| Geissler, A; Kanamori, K; Ross, BD | 1 |
| Bourke, E; Häussinger, D | 1 |
| Russell, WC; Smith, DG; Thirkell, D | 1 |
| Athanasas, G; Dejong, CH; Deutz, NE; Soeters, PB | 1 |
| Baverel, G; Martin, G; Vincent, N | 1 |
| Hatase, O; Hosokawa, K; Itano, T; Janjua, NA; Kugoh, T; Matsui, H; Tokuda, M | 1 |
| Armand, J; Beekenkamp, H; Dejours, P | 2 |
| Berberoglu, ED; Dahn, MS; Lange, P; Mitchell, RA | 1 |
| Barbour, HM; Welch, C | 1 |
| Newbold, JR; Rust, SR | 1 |
| Campbell, RG; Matthews, DE | 1 |
| Cabanes, M; Lustenberger, P; Massoubre, C; Orsonneau, JL | 1 |
| Cantarini, D; Gullini, S; Pedriali, R | 1 |
| Hartman, WJ; Prior, RL | 1 |
| Clark, EC; Hostetter, MK; Hostetter, TH; Nath, KA | 1 |
| Fujii, T; Hirayama, C; Kohno, M | 1 |
| Brusilow, SW; Maestri, NE; McGowan, KD | 1 |
| Malmlöf, K; Simoes Nunes, C | 1 |
| Cardenas, M; Galyean, ML; Holechek, JL; Nuñez-Hernandez, G; Wallace, JD | 1 |
| Berger, LL; Clark, JH; Fahey, GC; Hsu, JT; Merchen, NR | 1 |
| Cameron, MR; Clark, JH; Klusmeyer, TH; Lynch, GL; Nelson, DR | 1 |
| Ansotegui, RP; Clark, CK; Lodman, DW; Petersen, MK; Wiley, JS | 1 |
| Mitkov, D | 2 |
| Abumrad, NN; Becker, T; Geer, RJ; Lacy, DB; Wasserman, DH; Williams, PE | 1 |
| Austgen, TR; Chen, MK; Flynn, TC; Souba, WW | 1 |
| Sinsch, U | 1 |
| Park, JR; Tappel, AL | 1 |
| Felipo, V; Grisolía, S; Miñana, MD | 3 |
| Becker, W; Song, GM; Wang, GF | 1 |
| Bachmann, C; Colombo, JP; Wiesmann, UN | 1 |
| Chang, TM; Gu, KF | 3 |
| Bartholomew, D; Brusilow, SW; Hauser, ER; Maestri, NE | 1 |
| Chen, QA; Liu, GL; Mou, YL; Wu, JC; Yang, SL; Zhang, ZH | 1 |
| Windschitl, PM | 1 |
| Milne, JS; Whitelaw, FG; Wright, SA | 1 |
| Tajtáková, C | 1 |
| Bardet, J; Kamoun, P; Narcy, C; Parvy, P; Rabier, D; Saudubray, JM | 1 |
| Coşkun, T; Ozalp, I; Tokatli, A | 1 |
| Deák, T; Péter, G | 1 |
| Alemany, M; Argilés, JM; Casado, J; Esteve, M; Fernández-López, JA; Rafecas, I | 1 |
| du Plessis, A; Mamourian, AC | 1 |
| Banerjee, A; Banerjee, AK | 1 |
| Prasad, TA; Reddy, DC; Srinivas, T | 1 |
| Dlugosz, JW; Korsten, MA; Lieber, CS; Paronetto, F; Triebling, AT | 1 |
| Beyreiss, K; Boehm, G; Gedlu, E; Müller, MD; Räihä, NC | 1 |
| Reddy, AT; Yellamma, K | 1 |
| Chittajallu, RS; Dorrian, CA; el Nujumi, AM; McColl, KE; Neithercut, WD | 1 |
| Bardet, J; Kamoun, P; Parvy, P; Rabier, D | 1 |
| Rao, KV; Reddy, MS | 1 |
| Shindo, K; Shiozawa, Z; Tsunoda, S | 1 |
| Chittajallu, RS; el Nujumi, AM; McColl, KE; Milne, A; Neithercut, WD | 1 |
| Brini, CM; Tremblay, GC | 1 |
| Radhakrishnaiah, K; Sivaramakrishna, B; Suresh, A; Victoriamma, PC | 1 |
| Casano, SF; Jeevanandam, M; Leland, D; Schiller, WR; Shamos, RF | 1 |
| Farrow, NA; Kanamori, K; Parivar, F; Ross, BD | 1 |
| Baquet, A; Hue, L; Lavoinne, A | 1 |
| Chittajallu, RS; Macdonald, AM; McColl, KE; Neithercut, WD | 1 |
| Erdman, RA; Guerino, F; Huntington, GB | 1 |
| Czarnowski, D; Górski, J | 1 |
| Boehm, G; Jung, K; Teichmann, B | 1 |
| Batshaw, ML; Berry, GT | 1 |
| Greig, MA; Hossack, M; McColl, KE; Neithercut, WD | 1 |
| Fujiwara, F; Funahashi, S; Hayashi, A; Nakanishi, T; Saiki, K; Shimizu, A | 1 |
| Constantinidis, I; Gamcsik, MP; Glickson, JD | 1 |
| Alimov, MM; Kasymov, AKh; Roterdamskaia, OM | 1 |
| Hammond, JW; Potter, M; Truscott, R; Wilcken, B | 1 |
| Kerner, J; Melegh, B; Porpáczy, Z; Szücs, L | 1 |
| Cutress, TW; Hancock, EM; Perinpanayagam, HE; Sissons, CH | 1 |
| Häussinger, D | 5 |
| Wells, FE | 1 |
| Khramov, VA; Urtenova, ZIu | 1 |
| Walser, M; Yagi, M | 1 |
| Almdal, TP; Bjerrum, K; Ostergaard Kristensen, L; Vilstrup, H | 1 |
| Besle, JM; Chenost, M; Faurie, F; Grenet, N; Lemoine, JP; Saleh, H; Tisserand, JL | 1 |
| Beaulieu, G; Besle, JM; Chenost, M; Faurie, F; Grenet, N; Tisserand, JL; Zwaenepoel, P | 1 |
| Asada, T; Kita, T; Matuo, K; Murakami, M; Saita, H; Teramura, S; Yamamoto, K; Yoo, JK | 1 |
| Mungal, R; Narinesingh, D; Ngo, TT | 1 |
| Knopman, DS; Shih, VE; Tuchman, M | 1 |
| Pei, P; Steiner, FP; Vonderschmitt, DJ | 1 |
| Fischer, JL; Kaveggia, FF; Schafer, EC; Taylor, RJ; Thompson, JS | 1 |
| Bauers, K; Gerok, W; Hüssinger, D; Lang, F | 1 |
| Atkinson, DE; Szweda, LI | 1 |
| Mori, M; Ohtake, A | 1 |
| Bradbury, I; Chamberlain, DG; Choung, JJ; Thomas, PC | 1 |
| Arakawa, H; Hayakawa, J; Imamura, Y; Koizumi, T; Nikaido, H; Noda, T; Saheki, T | 1 |
| Juanes, MC; Martín-Barrientos, J; Medina, JM; Vicario, C | 1 |
| Hutchins, GD; Kuhl, DE; Mangner, TJ; Rosenspire, KC; Schwaiger, M; Sutorik, A | 1 |
| Gerok, W; Häussinger, D; Steeb, R | 1 |
| Franklin, MF; Milne, JS; Orskov, ER; Stansfield, R; Whitelaw, FG | 1 |
| Arn, PH; Brusilow, SW; Hauser, ER; Herman, G; Hess, D; Thomas, GH | 1 |
| Hjelm, M; Oberholzer, V; Thomas, S; Wilson, J | 1 |
| Beyreiss, K; Boehm, G; Gedlu, E; Müller, DM; Räihä, NC | 1 |
| Jang, WI; Kim, H; Kwon, SO; Lee, KH; Lee, YB; Park, C; Ro, JY; Robey-Cafferty, SS | 1 |
| Häussinger, D; Lang, F | 1 |
| Boedeker, D; Martens, H | 1 |
| Andre, B; Grenson, M; Muyldermans, F; Vissers, S | 1 |
| Borody, TJ; Gal, A; Hazell, SL; Lee, A | 1 |
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| Housecroft, CE | 1 |
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| Cao, B; Chen, Y; Fan, D; He, W; Shi, Y; Song, D; Wang, J; Wang, X; Zou, G | 1 |
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| Choi, PM; Freguia, S; Ledezma, P; Monetti, J; Nieradzik, L; O'Brien, JW; Thomas, KV | 1 |
| Chen, S; Feng, Y; He, H; Li, D; Lu, H; Sun, H; Xue, L; Zhang, Q | 1 |
| Asiain-Mira, R; Monsalvo, VM; Smith, C; Torrente-Murciano, L; Zamora, P | 1 |
| Beinart, RA; Breusing, C; Hauer, MA; Klobusnik, NH | 1 |
| Dal Pont, G; Po, B; Wang, J; Wood, CM | 1 |
| Arena, P; Attanasio, S; Boffa, I; Brunetti-Pierri, N; Cuomo, P; D'Alessio, AM; De Angelis, A; Desviat, LR; Ferenbach, AT; Häberle, J; Lipshutz, GS; Makris, G; Martínez-Pizarro, A; Motta, A; Nitzahn, M; Nusco, E; Paris, D; Pravata, VM; Richard, E; Rüfenacht, V; Soria, LR; van Aalten, DMF | 1 |
| Abdo, AI; Alnaimy, MA; Chen, X; Deng, Y; El-Sobky, EEA; Sun, D; Wei, H; Zhang, J | 1 |
| Afonso, LOB; Cahill, DM; Sharma, B; Shrivastava, M; Soni, U | 1 |
| Hall, PL; Wilcox, WR; Wittenauer, AL | 1 |
| Maeda, T; Okamoto, S; Taniguchi, H; Ueno, Y | 1 |
| Cherdthong, A; Dagaew, G; Prachumchai, R; Suntara, C; Wanapat, M; Wongtangtintharn, S | 1 |
| Anarat-Cappillino, G; Belanger, AJ; Gefteas, E; Geller, S; Kloss, A; Przybylska, M; Yew, NS | 1 |
| Berndt, N; Bufler, P; Eckstein, J; Henning, S; Holzhütter, HG; Hudert, CA; Loddenkemper, C; Meierhofer, D; Sack, I; Wallach, I; Wiegand, S | 1 |
| Dasmahapatra, KK; Joyce, D; Lawson, M; Pownall, ME; Rose, M; Smith, AM; Thomas, GH; White, LJ | 1 |
| Chen, X; Gu, X; Sun, F; Zhao, G; Zhao, Q | 1 |
| Bott, AJ; Chen, X; Daguplo, HQ; Dai, W; Ding, WX; Gao, S; Guo, JY; Khayati, K; Maimouni, S; Shen, J; Su, X; Valvezan, A; Wang, Y; Yan, J; Zhang, L; Zong, WX | 1 |
| Gao, F; Li, Z; Lu, Y; Zhang, L; Zou, Y | 1 |
| Bamberg, AL; Bayer, C; Deloss, AM; Dos Santos, DC; Martinazzo, R; Nunes, RSG; Silveira, CAP; Vieira, FCB | 1 |
| Chen, C; Chen, J; Cui, Q; Deng, J; Huang, B; Li, Y; Liu, J; Liu, S; Lu, S; Lv, J; Ma, J; Tang, K; Wang, D; Yang, Z; Zhang, H | 1 |
| Aldabe, R; Bazo, A; Bénichou, B; Combal, JP; Gonzalez-Aseguinolaza, G; Häberle, J; Lantero, A; Mauleón, I; Neri, L; Poms, M; Ricobaraza, A | 1 |
| Feng, Y; Han, C; Jiang, Z; Li, Y; Liu, J; Yuan, X | 1 |
| Chen, C; Chen, S; Han, M; Jiang, X; Jing, W; Shi, B; Shi, C; Sun, P; Wang, G; Yang, Z | 1 |
| Andrade, LH; Freitas, RS; Lopez-Castillo, A; Martins, CO; Netto, CGCM; Sebastiany, LK; Toma, HE | 1 |
| Dai, Y; Feng, Y; Li, J; Liu, Y; Qian, C; Wang, Z; Xia, X; Xu, Z | 1 |
| Anderson, WG; Hoogenboom, JL; Hyodo, S; Wong, MK | 1 |
| Feng, YY; Hu, SH; Huang, L; Li, HT; Li, Y; Lin, Y; Ma, HD; Qiao, YN; Xu, W; Yang, YX; Yuan, YY; Zhang, KH; Zhang, L; Zhang, XY; Zhao, JY; Zhao, SM; Zhou, SX | 1 |
| Choi, J; Kim, JH | 1 |
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| Butterbach-Bahl, K; Janz, B; Kiese, R; Wang, R; Wang, X; Wang, Y; Wolf, B; Yan, G; Yao, Z; Zhan, Y; Zheng, X; Zhou, M; Zhu, B | 1 |
| Capiglioni, AM; Capitani, MC; Marinelli, RA; Marrone, J | 1 |
| Chakraborty, R; Dey, S; Jain, N; Kumar, S; Pendall, E; Purakayastha, TJ | 1 |
| Arnoux, JB; Benoist, JF; Bérat, CM; Bouchereau, J; Brassier, A; de Lonlay, P; Imbard, A; Josse, C; Montestruc, F; Pontoizeau, C; Schiff, M | 1 |
| Carswell, A; Drame, M; Heuer, S; Hood, J; Jemo, M; Kirk, G; Misselbrook, T; Pawlett, M; Roberts, W | 1 |
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| Méndez-Narváez, J; Warkentin, KM | 1 |
| Jung, EH; Pelster, B; Wang, J; Wood, CM | 1 |
| Han, P; Hou, L; Li, Y; Liu, M; Tang, X | 1 |
| Fang, X; Liu, H; Lv, J; Yang, Y; Zhang, Y; Zhong, X | 1 |
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146 review(s) available for ammonium hydroxide and urea
| Article | Year |
|---|---|
Azotobacters as biofertilizer.
Topics: Ammonium Hydroxide; Azotobacter; Azotobacter vinelandii; Bacterial Proteins; Fertilizers; Gene Expression Regulation, Bacterial; Genes, Bacterial; Genes, Regulator; Genetic Engineering; Glucose 1-Dehydrogenase; Glutamate-Ammonia Ligase; Microorganisms, Genetically-Modified; Nitrogen; Nitrogen Fixation; Nitrogenase; Phosphates; Transcription Factors; Urea; Urease | 2019 |
Cloacal absorption of urine in birds.
Topics: Ammonia; Animals; Bicarbonates; Birds; Body Water; Calcium; Chickens; Chlorides; Cloaca; Diet; Magnesium; Osmolar Concentration; Phosphates; Potassium; Sodium; Species Specificity; Urea; Ureter; Urine | 1976 |
Organic acidemias.
Topics: Acidosis, Renal Tubular; Acids; Amino Acid Metabolism, Inborn Errors; Amino Acids, Essential; Ammonia; Child; Diagnosis, Differential; Glutarates; Humans; Hydrogen-Ion Concentration; Infant; Infant, Newborn; Leucine; Ligases; Methylmalonic Acid; Prenatal Diagnosis; Propionates; Pyruvates; Urea; Valerates | 1976 |
Protein metabolism in uraemia.
Topics: Adult; Amino Acids; Amino Acids, Essential; Ammonia; Blood Urea Nitrogen; Dietary Proteins; Feces; Female; Humans; Kidney Failure, Chronic; Male; Middle Aged; Nitrogen; Nutrition Disorders; Nutritional Requirements; Proteins; Renal Dialysis; Serum Albumin; Urea; Urease; Uremia; Valine | 1975 |
[Biochemical and pathophysiological aspects of hyperammonaemia (author's transl)].
Topics: Ammonia; Brain; Hepatic Encephalopathy; Humans; Liver; Uracil Nucleotides; Urea | 1977 |
Nitrogen intake and tumorigenesis in rats.
Topics: Adenocarcinoma; Ammonia; Animals; Caseins; Dietary Fats; Dietary Proteins; Dimethylhydrazines; Dose-Response Relationship, Drug; Ear Neoplasms; Hydrazines; Intestinal Neoplasms; Rats; Urea | 1977 |
Urea biosynthesis I. The urea cycle and relationships to the citric acid cycle.
Topics: Ammonia; Animals; Arginase; Argininosuccinate Lyase; Argininosuccinate Synthase; Carbamoyl-Phosphate Synthase (Ammonia); Citric Acid Cycle; Energy Metabolism; Female; Fetus; Humans; Liver; Ornithine Carbamoyltransferase; Pregnancy; Species Specificity; Urea | 1977 |
Urea biosynthesis II. Normal and abnormal regulation.
Topics: Adrenal Cortex Hormones; Adrenal Glands; Ammonia; Animals; Argininosuccinate Synthase; Argininosuccinic Aciduria; Brain; Carbamoyl-Phosphate Synthase (Ammonia); Citric Acid Cycle; Dietary Proteins; Female; Humans; Hyperargininemia; Infant; Intellectual Disability; Male; Metabolism, Inborn Errors; Ornithine Carbamoyltransferase Deficiency Disease; Pregnancy; Thyroid Hormones; Urea | 1978 |
Functions of the large intestine.
Topics: Ammonia; Animals; Bacteria; Bile Acids and Salts; Carbohydrate Metabolism; Colon; Defecation; Electrolytes; Fatty Acids; Gastrointestinal Motility; Humans; Intestinal Absorption; Urea | 1979 |
Ammonia metabolism, urea cycle capacity and their biochemical assessment.
Topics: Amino Acids; Ammonia; Animals; Arginine; Brain; Citric Acid Cycle; Humans; Nutritional Requirements; Ornithine; Orotic Acid; Polyamines; Quaternary Ammonium Compounds; Urea | 1979 |
Overfeeding in cattle: clinical, biochemical and therapeutic aspects.
Topics: Acidosis; Ammonia; Animal Feed; Animals; Bicarbonates; Cattle; Cattle Diseases; Dehydration; Dietary Carbohydrates; Lactates; Liver; Rumen; Urea | 1976 |
[Reye's syndrome].
Topics: Ammonia; Fatty Liver; Humans; Hypoglycemia; Liver; Metabolism, Inborn Errors; Mitochondria, Liver; Reye Syndrome; Transaminases; Urea; Virus Diseases | 1976 |
Protein deprivation refeeding and ammonia intoxication.
Topics: Amino Acids; Ammonia; Ammonium Chloride; Animals; Biotransformation; Coma; Dietary Proteins; Humans; Liver; Parenteral Nutrition; Poisoning; Protein Deficiency; Rats; Urea | 1976 |
Absorption and secretion by the colon.
Topics: Aldosterone; Ammonia; Angiotensin II; Bicarbonates; Biological Transport, Active; Chlorides; Colon; Fatty Acids, Volatile; Feces; Humans; Hydrocortisone; Ileum; Intestinal Absorption; Intestinal Mucosa; Nitrogen; Pentagastrin; Potassium; Prostaglandins; Sodium; Sulfates; Urea; Water | 1975 |
pH homeostasis: the conceptual change.
Topics: Acid-Base Equilibrium; Acidosis; Ammonia; Animals; Carbon; Chemical Phenomena; Chemistry, Physical; Glutamine; Homeostasis; Humans; Hydrogen-Ion Concentration; Kidney; Liver; Models, Biological; Oxidation-Reduction; Proteins; Urea | 1992 |
[Adverse effects of branched chain amino acid transfusion on type-II citrullinemia--report of an adult case].
Topics: Adult; Amino Acid Metabolism, Inborn Errors; Amino Acids, Branched-Chain; Ammonia; Argininosuccinate Synthase; Citrulline; Humans; Infusions, Intravenous; Liver; Male; Urea | 1991 |
Organic nitrogen metabolism of phototrophic bacteria.
Topics: Amino Acids; Ammonia; Bacteria; Carbon; Glutamates; Glutamic Acid; Nitrogen; Purines; Pyrimidines; Urea | 1989 |
Nonprotein nitrogen-induced ammonia toxicosis and ammoniated feed toxicity syndrome.
Topics: Ammonia; Animal Feed; Animals; Cattle; Cattle Diseases; Molasses; Ruminants; Syndrome; Urea | 1989 |
Physiologic significance and regulation of hepatocellular heterogeneity.
Topics: Albumins; Ammonia; Bile; Biological Transport; Carbohydrate Metabolism; Cytochrome P-450 Enzyme System; Gene Expression Regulation; Glutamine; Liver; Liver Circulation; Microcirculation; Urea | 1988 |
[Characteristics of the gastric excretory function in chronic glomerulonephritis (a review of the literature and the authors' own data)].
Topics: Ammonia; Animals; Chronic Disease; Gastric Emptying; Gastric Mucosa; Glomerulonephritis; Humans; Nephrectomy; Urea; Urease | 1988 |
Metabolic aspects of the regulation of systemic pH.
Topics: Acid-Base Equilibrium; Ammonia; Animals; Bicarbonates; Homeostasis; Hydrogen-Ion Concentration; Kidney; Liver; Proteins; Urea | 1987 |
Hereditary disorders of the urea cycle in man: biochemical and molecular approaches.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Argininosuccinate Synthase; Carbamoyl-Phosphate Synthase (Ammonia); Citrulline; Female; Humans; Hyperargininemia; Ornithine Carbamoyltransferase Deficiency Disease; Pregnancy; Prenatal Diagnosis; RNA, Messenger; Urea | 1987 |
Inborn errors of the urea cycle.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Child; Female; Humans; Infant; Infant, Newborn; Pregnancy; Prenatal Diagnosis; Prognosis; Urea | 1987 |
Roles of urea production, ammonium excretion, and amino acid oxidation in acid-base balance.
Topics: Acid-Base Equilibrium; Amino Acids; Ammonia; Animals; Bicarbonates; Calcium; Chlorides; Glutamine; Kidney; Liver; Magnesium; Mathematics; Methionine; Nitrogen; Phosphoserine; Potassium; Sodium; Urea | 1986 |
Orotic acid, arginine, and hepatotoxicity.
Topics: Adult; Alcoholism; Ammonia; Animals; Arginine; Dietary Fats; Dietary Proteins; Ethanol; Fasting; Ferrets; Food; Humans; Liver; Liver Diseases, Alcoholic; Liver Regeneration; Male; Models, Biological; Orotic Acid; Rats; Reye Syndrome; Urea | 1986 |
[Regulation of the urea cycle].
Topics: Ammonia; Animals; Homeostasis; Humans; Liver; Urea | 1986 |
The concept of the single body pool of metabolic nitrogen in determining the rate of whole-body nitrogen turnover.
Topics: Administration, Oral; Ammonia; Child; Glycine; Humans; Infant; Infusions, Parenteral; Mathematics; Models, Biological; Nitrogen; Nitrogen Isotopes; Proteins; Urea | 1985 |
Renal excretion of nitrogenous compounds in vertebrates.
Topics: Ammonia; Animals; Biological Transport; Chlorides; Humans; Kidney; Nitrogen; Sodium; Species Specificity; Taurine; Urea; Uric Acid | 1985 |
Regulation of the urea cycle and TCA cycle by ammonia.
Topics: Alanine Transaminase; Amino Acids; Ammonia; Amobarbital; Animals; Aspartate Aminotransferases; Aspartic Acid; Carbon Isotopes; Citrates; Citric Acid Cycle; Cytoplasm; Diabetes Mellitus, Experimental; Dietary Proteins; Glutamates; Hydrocortisone; In Vitro Techniques; Isoenzymes; Ketoglutaric Acids; Liver; Mice; Mitochondria, Liver; N-Glycosyl Hydrolases; Niacinamide; Nucleotides; Ornithine; Oxidoreductases; Oxygen Consumption; Pyrophosphatases; Pyruvates; Rats; Transaminases; Urea | 1966 |
[The metabolism of parasites. Its relations to the pathogenesis and chemotherapy of parasitic infections].
Topics: Aminobenzoates; Ammonia; Anti-Infective Agents; Ascaris; Butyrates; Cell Membrane Permeability; Depression, Chemical; Diphyllobothrium; Echinococcus; Glycolysis; Intestinal Absorption; Parasites; Parasitic Diseases; Phosphofructokinase-1; RNA; Trace Elements; Trypanosoma; Urea; Valerates | 1967 |
Inherited hyperammonemic syndromes.
Topics: Acidosis; Amino Acids; Ammonia; Animals; Arginine; Brain; Brain Diseases; Chemical and Drug Induced Liver Injury; Citrulline; Dementia; Homeostasis; Humans; Infant, Newborn; Liver; Lysine; Metabolism, Inborn Errors; Ornithine Carbamoyltransferase; Phosphotransferases; Succinates; Syndrome; Urea; Urease | 1974 |
Nutritional potential of nitrogen recycling in man.
Topics: Amino Acids; Ammonia; Animals; Child; Chronic Disease; Colon; Diet Therapy; Dietary Proteins; Female; Humans; Keto Acids; Kidney Failure, Chronic; Liver; Liver Diseases; Middle Aged; Nitrogen; Nitrogen Isotopes; Nutritional Physiological Phenomena; Nutritional Requirements; Protein Biosynthesis; Protein Deficiency; Quaternary Ammonium Compounds; Urea; Uremia | 1972 |
[Regulatory conditions for urea biosynthesis--from the standpoint of organ level].
Topics: Amino Acids; Ammonia; Animals; Arginine; Aspartic Acid; Glutamates; Glutamine; In Vitro Techniques; Liver; Nitrogen; Nutritional Physiological Phenomena; Ornithine; Perfusion; Rats; Urea | 1972 |
Control of nitrogen metabolism in the ruminant.
Topics: Amino Acids; Ammonia; Animals; Bacteria; Bacterial Proteins; Cattle; Dietary Proteins; Duodenum; Eukaryota; Fermentation; Intestinal Absorption; Methionine; Models, Biological; Nitrogen; Nutritional Requirements; Protein Biosynthesis; Rumen; Sheep; Swine; Urea | 1972 |
Hepatic encephalopathy.
Topics: Acetazolamide; Ammonia; Constipation; Diet Therapy; Electroencephalography; Gastrointestinal Hemorrhage; Hepatic Encephalopathy; Humans; Hypokalemia; Hyponatremia; Liver; Liver Diseases; Mental Disorders; Nervous System Diseases; Urea; Urease; Uremia | 1973 |
Effects of lysine on ammonia formation, hydrogen ion, and potassium ion balance: a review and an hypothesis.
Topics: Acid-Base Equilibrium; Adolescent; Adult; Ammonia; Animals; Arginine; Biological Transport; Cystinuria; Diabetes Mellitus; Dogs; Dose-Response Relationship, Drug; Electrocardiography; Female; Hepatic Encephalopathy; Humans; Hydrogen; Hydrogen-Ion Concentration; Hypokalemia; In Vitro Techniques; Insulin; Liver Cirrhosis; Liver Diseases; Lysine; Male; Models, Biological; Potassium; Pregnancy; Rats; Urea | 1973 |
[Pancreatitis and lysolecithin (including the effects on the liver)].
Topics: Acute Disease; Adult; Ammonia; Animals; Electrolytes; Humans; Ischemia; Lysophosphatidylcholines; Male; Mitochondria; Mitochondria, Liver; Pancreas; Pancreatitis; Phospholipases; Rabbits; Urea | 1973 |
Nitrogen cycling in sheep.
Topics: Abomasum; Ammonia; Animals; Blood Urea Nitrogen; Intestine, Large; Intestine, Small; Nitrogen; Nitrogen Isotopes; Rumen; Sheep; Stomach, Ruminant; Urea | 1973 |
Utilization of non-protein nitrogen in the production of animal protein.
Topics: Amino Acids; Ammonia; Animal Nutritional Physiological Phenomena; Animals; Bacteria; Bacterial Proteins; Diet; Dietary Proteins; Economics; Nitrogen; Rumen; Urea | 1973 |
A review: biological and clinical aspects of pyrimidine metabolism.
Topics: Ammonia; Animals; Cats; Cell Transformation, Neoplastic; Cytidine; Glucose; Humans; Isoproterenol; Lectins; Lipid Metabolism; Liver Regeneration; Lymphocyte Activation; Mice; Orotic Acid; Purine-Pyrimidine Metabolism, Inborn Errors; Pyrimidine Nucleotides; Rats; Salivary Glands; Thymine; Uracil Nucleotides; Urea; Uridine; Uridine Diphosphate Sugars | 1974 |
Continuous monitoring, automated analysis, and sampling procedures.
Topics: Ammonia; Animals; Autoanalysis; Biological Assay; Colorimetry; Densitometry; Fishes; Fluorometry; Ion Exchange; Membranes; Mercury; Metals; Methods; Oils; Oxygen Consumption; Phenols; Radioactivity; Spectrometry, Fluorescence; Spectrophotometry; Urea; Water Pollution, Chemical; Water Supply | 1974 |
[Ammonia and urea metabolism in a fresh-water teleostean: the carp (Cyprinus carpio L.)].
Topics: Allantoin; Amidohydrolases; Amino Acids; Ammonia; Animals; Arginase; Brain; Butyrates; Carps; Citric Acid Cycle; Cyprinidae; Glutamine; Guanidines; Histamine; Intestinal Mucosa; Kidney; Liver; Muscles; Myocardium; Seasons; Urate Oxidase; Urea; Uric Acid | 1974 |
Effects of chronic protein-calorie malnutrition on the kidney.
Topics: Acid-Base Equilibrium; Adult; Aminohippuric Acids; Ammonia; Blood Urea Nitrogen; Child; Creatinine; Glomerular Filtration Rate; Humans; Inulin; Kidney; Kidney Concentrating Ability; Kidney Function Tests; Kidney Tubules; Nutrition Disorders; Osmolar Concentration; Protein-Energy Malnutrition; Regional Blood Flow; Sodium; Urea; Vasopressins; Water-Electrolyte Balance | 1973 |
Problems in feeding urea to ruminants.
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Nitrogen; Rumen; Urea | 1968 |
Liver-kidney interrelation in pregnancy and toxemia.
Topics: Acute Kidney Injury; Ammonia; Erythrocytes; Estrogens; Female; Glomerular Filtration Rate; Glucocorticoids; Humans; Jaundice; Kidney; Kidney Diseases; Kidney Glomerulus; Liver; Liver Diseases; Liver Function Tests; Microscopy, Electron; Mitochondria, Liver; Pre-Eclampsia; Pregnancy; Pruritus; Renin; Urea; Uric Acid; Urobilinogen | 1968 |
The determination of urea, ammonia, and urease.
Topics: Ammonia; Humans; Methods; Microchemistry; Oximes; Urea; Urease | 1969 |
Nitrogen metabolism in ruminants: rate of ruminal ammonia production and nitrogen utilization by ruminants--a review.
Topics: Ammonia; Animals; Nitrogen; Rumen; Urea; Urease | 1969 |
Ammonia metabolism by tissues and bacteria of ruminants fed urea.
Topics: Ammonia; Animal Feed; Animals; Liver; Rumen; Sheep; Urea | 1970 |
[Hereditary enzyme defects of the urea cycle].
Topics: Adult; Ammonia; Arginase; Arginine; Child; Child, Preschool; Citrulline; Enzymes; Female; Humans; Infant; Infant, Newborn; Ligases; Lyases; Male; Metabolism, Inborn Errors; Ornithine; Ornithine Carbamoyltransferase; Phosphotransferases; Succinates; Transaminases; Urea | 1971 |
Ammonia and urea in oral pathophysiology--a literature review.
Topics: Ammonia; Dental Calculus; Dental Caries; Dental Caries Susceptibility; Humans; Mouthwashes; Periodontal Diseases; Saliva; Urea | 1971 |
Hereditary metabolic disorders of the urea cycle.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Arginase; Arginine; Aspartic Acid; Carbamates; Citrulline; Humans; Ligases; Liver; Lyases; Models, Chemical; Ornithine Carbamoyltransferase; Phosphotransferases; Succinates; Urea | 1971 |
Congenital disorders of the urea cycle and ammonia detoxication.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Animals; Brain; Chromosome Aberrations; Fetus; Humans; Liver; Lysine; Metabolism, Inborn Errors; Urea | 1971 |
[Pathogenesis of uremia].
Topics: Acidosis; Aminobenzoates; Ammonia; Anemia; Animals; Butyrates; Cardiovascular Diseases; Central Nervous System Diseases; Cinnamates; Creatinine; Dogs; Endocrine System Diseases; Gastroenteritis; Glomerular Filtration Rate; Guanidines; Guanine; Guinea Pigs; Haplorhini; Hemorrhagic Disorders; Hominidae; Humans; In Vitro Techniques; Indican; Mice; Phenols; Phosphates; Pruritus; Pulmonary Edema; Pyruvates; Rabbits; Rats; Urea; Uremia | 1971 |
Hepatic Disorders.
Topics: Adolescent; Adult; alpha 1-Antitrypsin Deficiency; Amino Acid Metabolism, Inborn Errors; Ammonia; Child; Child, Preschool; Cystic Fibrosis; Female; Fructose Intolerance; Fructose-1,6-Diphosphatase Deficiency; Galactosemias; Glycogen Storage Disease; Humans; Infant; Infant, Newborn; Liver Diseases; Male; Polycystic Kidney Diseases; Porphyrias; Tyrosine; Urea | 1982 |
The role or urea synthesis in the removal of metabolic bicarbonate and the regulation of blood pH.
Topics: Acid-Base Equilibrium; Ammonia; Animals; Bicarbonates; Birds; Hydrogen-Ion Concentration; Intestinal Mucosa; Invertebrates; Kidney; Liver; Mammals; Proteins; Protons; Reptiles; Species Specificity; Urea | 1982 |
Diagnostic procedures in the evaluation of hepatic diseases. Functional evaluation of the hepatocyte.
Topics: Aminopyrine; Ammonia; Antipyrine; Bile Acids and Salts; Bilirubin; Galactose; Humans; Liver Diseases; Liver Function Tests; Prothrombin Time; Serum Albumin; Sulfobromophthalein; Urea | 1983 |
Ammonia: its effects on biological systems, metabolic hormones, and reproduction.
Topics: Ammonia; Animals; Cats; Cattle; Chickens; Cricetinae; Dietary Proteins; Dogs; Estrus; Female; Guinea Pigs; Hormones; Horses; Humans; Inactivation, Metabolic; Insulin; Liver; Luteinizing Hormone; Mice; Orotic Acid; Pregnancy; Progesterone; Rabbits; Rats; Reproduction; Sheep; Species Specificity; Urea | 1984 |
Nitrogen metabolism in the rumen.
Topics: Amino Acids; Ammonia; Animals; Animals, Domestic; Artiodactyla; Bacteria; Cattle; Dietary Proteins; Eukaryota; Fatty Acids, Volatile; Female; Male; Models, Biological; Nitrogen; Rumen; Urea | 1984 |
An update of concepts of essential amino acids.
Topics: Amino Acid Metabolism, Inborn Errors; Amino Acids, Essential; Ammonia; Animals; Arginine; Atrophy; Child; Choroid; Dietary Proteins; Female; Glucose Tolerance Test; Growth; Histidine; Humans; Insulin; Kidney Failure, Chronic; Male; Middle Aged; Nitrogen; Nutritional Requirements; Orotic Acid; Pregnancy; Retinal Diseases; Reye Syndrome; Urea; Uveal Diseases; Wounds and Injuries | 1984 |
Orotic aciduria and species specificity.
Topics: Ammonia; Animals; Arginine; Cats; Cattle; Dogs; Humans; Lipids; Multienzyme Complexes; Orotate Phosphoribosyltransferase; Orotic Acid; Orotidine-5'-Phosphate Decarboxylase; Rats; Species Specificity; Swine; Urea | 1984 |
Selective variceal decompression: current status and recent advances.
Topics: Amino Acids; Ammonia; Angiography; Ascites; Brain Diseases; Esophageal and Gastric Varices; Galactosemias; Hemodynamics; Humans; Hypersplenism; Intraoperative Care; Liver; Liver Circulation; Liver Diseases, Parasitic; Liver Function Tests; Nitrogen; Portal Vein; Portasystemic Shunt, Surgical; Postoperative Complications; Preoperative Care; Splenorenal Shunt, Surgical; Thrombosis; Urea | 1984 |
15N end-product methods for the study of whole body protein turnover.
Topics: Amino Acids; Ammonia; Animals; Carbon Dioxide; Child; Humans; Infant, Newborn; Infant, Premature; Methods; Nitrogen Isotopes; Proteins; Urea | 1981 |
Determinants of ureagenesis, with particular reference to renal failure.
Topics: Amino Acids; Ammonia; Animals; Blood Urea Nitrogen; Body Weight; Dietary Proteins; Digestive System; Humans; Kidney Diseases; Liver; Nitrogen; Urea; Urease; Uremia | 1980 |
The ornithine-urea cycle: biosynthesis and regulation of carbamyl phosphate synthetase I and ornithine transcarbamylase.
Topics: Ammonia; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Citrulline; Dietary Proteins; Glutamates; Kinetics; Ligases; Mitochondria, Liver; Ornithine; Ornithine Carbamoyltransferase; Urea | 1981 |
Some regulatory aspects of urea synthesis.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Animals; Carbamyl Phosphate; Citric Acid Cycle; Dietary Proteins; Female; Glutamates; Humans; Male; Ornithine; Proteins; Urea | 1981 |
Regulation of ornithine metabolism.
Topics: Ammonia; Animals; Biological Transport; Citrulline; Cytosol; Fibroblasts; Humans; Mitochondria; Mitochondria, Liver; Ornithine; Ornithine Carbamoyltransferase; Urea | 1981 |
Nitrogen excretion: three end products, many physiological roles.
Topics: Acid-Base Equilibrium; Ammonia; Animal Population Groups; Animals; Body Water; Cell Membrane; Enzymes; Kidney; Marine Biology; Nitrogen; Osmolar Concentration; Urea; Uric Acid | 1995 |
N-acetylglutamate synthetase (NAGS) deficiency.
Topics: Acetyltransferases; Amino Acid Metabolism, Inborn Errors; Amino-Acid N-Acetyltransferase; Ammonia; Animals; Humans; Urea | 1994 |
[Regulatory mechanisms for liver-selective transcription of ornithine cycle enzyme genes].
Topics: Ammonia; Animals; Arginase; Argininosuccinate Lyase; Argininosuccinate Synthase; Carbamoyl-Phosphate Synthase (Ammonia); Gene Expression Regulation, Enzymologic; Humans; Liver; Organ Specificity; Ornithine Carbamoyltransferase; Transcription, Genetic; Urea | 1994 |
Inborn errors of urea synthesis.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Carbamoyl-Phosphate Synthase (Ammonia); Diagnosis, Differential; Humans; Infant, Newborn; Metabolism, Inborn Errors; Neurotransmitter Agents; Ornithine Carbamoyltransferase; Urea | 1994 |
Control of urea synthesis and ammonia detoxification.
Topics: Ammonia; Animals; Diet; Eating; Glutamate-Ammonia Ligase; Humans; Inactivation, Metabolic; Protein-Energy Malnutrition; Urea | 1993 |
Inherited and acquired syndromes of hyperammonemia and encephalopathy in children.
Topics: Ammonia; Child; Hepatic Encephalopathy; Humans; Liver Diseases; Metabolism, Inborn Errors; Reye Syndrome; Urea; Valproic Acid | 1994 |
Emerging aspects of amino acid metabolism. Where do we go from here?
Topics: Amino Acids; Ammonia; Humans; Liver; Nitrogen; Protein Biosynthesis; Proteins; Urea | 1994 |
The biochemistry and toxicology of benzoic acid metabolism and its relationship to the elimination of waste nitrogen.
Topics: Ammonia; Animals; Benzoates; Benzoic Acid; Humans; Nitrogen; Urea | 1993 |
Carbon dioxide formation and elimination in man. Recent theories and possible consequences.
Topics: Acid-Base Equilibrium; Acid-Base Imbalance; Ammonia; Animals; Bicarbonates; Carbon Dioxide; Humans; Hydrogen-Ion Concentration; Infant; Infant, Newborn; Kidney; Metabolism; Milk, Human; Protons; Respiration; Sudden Infant Death; Urea | 1996 |
Urea cycle disorders: diagnosis, pathophysiology, and therapy.
Topics: Adolescent; Algorithms; Alkalosis, Respiratory; Amino Acid Metabolism, Inborn Errors; Ammonia; Child; Female; Hepatic Encephalopathy; Humans; Infant; Infant, Newborn; Male; Ornithine Carbamoyltransferase Deficiency Disease; Pedigree; Treatment Outcome; Urea | 1996 |
Lactulose and combination therapy of hepatic encephalopathy: the role of the intestinal microflora.
Topics: Ammonia; Anti-Bacterial Agents; Bacteria; Cathartics; Dietary Fiber; Drug Synergism; Feces; Gastrointestinal Agents; Hepatic Encephalopathy; Humans; Intestines; Lactulose; Liver; Neomycin; Neurotoxins; Nitrogen; Urea | 1996 |
Effects of lactulose on nitrogen metabolism.
Topics: Ammonia; Animals; Anti-Bacterial Agents; Colon; Dietary Fiber; Feces; Gastrointestinal Agents; Hepatic Encephalopathy; Humans; Lactulose; Neomycin; Nitrogen; Urea | 1997 |
Mitochondrial ammonia metabolism and the proton-neutral theory of hepatic ammonia detoxication.
Topics: Ammonia; Animals; Biological Transport; Humans; Inactivation, Metabolic; Liver; Mitochondria, Liver; Proton Pumps; Urea | 1997 |
Urea cycle disorders: clinical paradigm of hyperammonemic encephalopathy.
Topics: Adult; Alkalosis, Respiratory; Ammonia; Brain Diseases; Brain Edema; Diagnosis, Differential; Female; Humans; Liver; Metabolism, Inborn Errors; Nitrogen; Urea | 1995 |
Regulation of hepatic nitrogen metabolism in ruminants.
Topics: Ammonia; Animals; Homeostasis; Liver; Nitrogen; Proteins; Ruminants; Urea | 1997 |
The role of orthotopic liver transplantation in the treatment of ornithine transcarbamylase deficiency.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Arginine; Follow-Up Studies; Humans; Infant; Infant, Newborn; Liver Transplantation; Male; Ornithine Carbamoyltransferase Deficiency Disease; Retrospective Studies; Transplantation, Homologous; Urea | 1998 |
[Inherited hyperammonemia].
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Consciousness Disorders; Diagnosis, Differential; Humans; Reye Syndrome; Urea | 1998 |
Treatment of urea cycle disorders.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Antimetabolites; Child, Preschool; Drug Combinations; Humans; Infant; Infant, Newborn; Ornithine Carbamoyltransferase Deficiency Disease; Phenylacetates; Sodium Benzoate; Urea | 1999 |
Role of fermentable carbohydrate supplements with a low-protein diet in the course of chronic renal failure: experimental bases.
Topics: Ammonia; Animals; Diet, Protein-Restricted; Dietary Carbohydrates; Dietary Supplements; Fermentation; Humans; Intestine, Large; Kidney Failure, Chronic; Symbiosis; Urea | 1999 |
Amino acid metabolism in liver disease.
Topics: Amino Acids; Amino Acids, Branched-Chain; Ammonia; Animals; Humans; Liver Diseases; Methionine; Nerve Growth Factors; Tryptophan; Urea | 1999 |
[Streptomyces L-glutamate oxidase: use in clinical and fundamental medicine].
Topics: Amino Acid Oxidoreductases; Ammonia; Animals; Aspartate Aminotransferases; Biosensing Techniques; Central Nervous System; Creatinine; Glutamic Acid; Glutamine; Humans; Magnesium; Mammals; NAD; NADP; Streptomyces; Urea | 1999 |
Glutamine and glutamate metabolism across the liver sinusoid.
Topics: Ammonia; Animals; Glutamic Acid; Glutamine; Humans; Liver; Urea | 2000 |
[Disorders of the urea cycle].
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Arginine; Argininosuccinic Acid; Citrullinemia; Humans; Nervous System Diseases; Ornithine Carbamoyltransferase Deficiency Disease; Prognosis; Urea | 2000 |
Ornithine carbamoyltransferase deficiency.
Topics: Ammonia; Genetic Linkage; Genetic Therapy; Humans; Male; Ornithine Carbamoyltransferase Deficiency Disease; Orotidine-5'-Phosphate Decarboxylase; Phosphoribosyl Pyrophosphate; Prognosis; Urea; X Chromosome | 2001 |
Carbamoyl phosphate synthetase: an amazing biochemical odyssey from substrate to product.
Topics: Allosteric Regulation; Ammonia; Animals; Bicarbonates; Binding Sites; Carbamoyl-Phosphate Synthase (Ammonia); Catalysis; Escherichia coli; Eukaryotic Cells; Glutamine; Models, Molecular; Protein Structure, Quaternary; Protein Subunits; Urea | 1999 |
Urea production and transport in teleost fishes.
Topics: Ammonia; Animals; Biological Transport; Embryo, Nonmammalian; Enzymes; Fishes; Inactivation, Metabolic; Urea | 1998 |
Hyperammonemia in urea cycle disorders: role of the nephrologist.
Topics: Algorithms; Ammonia; Brain Diseases, Metabolic; Child, Preschool; Coma; Developmental Disabilities; Humans; Hyperammonemia; Male; Middle Aged; Nephrology; Nitrogen; Physician's Role; Urea | 2001 |
[Biosynthesis of nonessential amino acids and the urea-cycle in silkworms].
Topics: Alanine; Ammonia; Animals; Bombyx; Fibroins; Glycine; Isotope Labeling; Magnetic Resonance Spectroscopy; Serine; Urea | 2001 |
Ornithine aminotransferase, a potential target for the treatment of hyperammonemias.
Topics: Ammonia; Animals; Biogenic Polyamines; Brain; Chorioretinitis; Enzyme Inhibitors; Humans; Hyperammonemia; Kidney; Liver; Mice; Ornithine; Ornithine-Oxo-Acid Transaminase; Thioacetamide; Urea | 2000 |
[How does Helicobacter pylori live in the stomach?].
Topics: Amino Acids; Ammonia; Animals; Chemotaxis; Gastric Mucosa; Helicobacter pylori; Humans; Hydrogen-Ion Concentration; Urea; Urease | 2001 |
Glutamate transporter and receptor function in disorders of ammonia metabolism.
Topics: Adenosine Triphosphate; Amino Acid Transport System X-AG; Ammonia; Apoptosis; Astrocytes; Binding Sites; Brain; Brain Diseases, Metabolic; Excitatory Amino Acid Transporter 2; Humans; Hyperammonemia; Neurons; Nitric Oxide; Receptors, Glutamate; Receptors, N-Methyl-D-Aspartate; Signal Transduction; Urea | 2001 |
Review of a flat membrane bioreactor as a bioartificial liver.
Topics: Ammonia; Animals; Bioreactors; Biotransformation; Cells, Cultured; Diazepam; Hepatocytes; Humans; Liver Failure, Acute; Liver, Artificial; Swine; Tissue Engineering; Urea | 2001 |
Splanchnic circulation and metabolism in patients with acute liver failure.
Topics: Amino Acids; Ammonia; Cardiac Output; Fatty Acids, Nonesterified; Hemodynamics; Humans; Liver; Liver Circulation; Liver Failure, Acute; Oxygen Consumption; Splanchnic Circulation; Urea; Viscera | 2002 |
Do mammals, birds, reptiles and fish have similar nitrogen conserving systems?
Topics: Ammonia; Animals; Birds; Fishes; Mammals; Nitrogen; Physiology, Comparative; Reptiles; Urea; Uric Acid | 2003 |
LABORATORY DETERMINATIONS OF RENAL FUNCTION.
Topics: Ammonia; Blood Chemical Analysis; Blood Circulation; Calcium; Creatine; Creatinine; Inulin; Kidney Function Tests; Kidney Glomerulus; Kidney Tubules; Phosphates; Urea; Urine | 1963 |
UREA AND UREASE IMMUNITY.
Topics: Ammonia; Antigen-Antibody Reactions; Blood Chemical Analysis; Humans; Immunity; Liver Diseases; Urea; Urease | 1964 |
Problems in the management of urea cycle disorders.
Topics: Adult; Ammonia; Female; Humans; Male; Metabolism, Inborn Errors; Ornithine Carbamoyltransferase Deficiency Disease; Treatment Outcome; Urea | 2004 |
The end-product method of measuring whole-body protein turnover: a review of published results and a comparison with those obtained by leucine infusion.
Topics: Administration, Oral; Ammonia; Drug Administration Schedule; Female; Glycine; Humans; Infusions, Intravenous; Injections, Intravenous; Leucine; Male; Nitrogen Isotopes; Proteins; Radioactive Tracers; Urea; Whole-Body Counting | 2005 |
Control of combustion-generated nitrogen oxides by selective non-catalytic reduction.
Topics: Air Pollutants; Air Pollution; Ammonia; Incineration; Models, Chemical; Nitrogen Oxides; Oxidation-Reduction; Temperature; Triazines; Urea | 2007 |
The effect of the supply of rumen degradable protein and metabolisable protein on negative energy balance and fertility in dairy cows.
Topics: Adipose Tissue; Ammonia; Animal Nutritional Physiological Phenomena; Animals; Cattle; Dietary Proteins; Energy Metabolism; Fatty Acids, Nonesterified; Female; Fertility; Nitrogen; Reproduction; Rumen; Urea | 2006 |
Hyperammonemia in the ICU.
Topics: Acute Disease; Algorithms; Ammonia; Astrocytes; Brain; Brain Edema; Cerebral Hemorrhage; Critical Care; Glutamine; Humans; Hyperammonemia; Hypothermia, Induced; Intensive Care Units; Liver; Liver Failure, Acute; Liver Function Tests; Metabolism, Inborn Errors; Muscle, Skeletal; Urea | 2007 |
Nitrogen recycling through the gut and the nitrogen economy of ruminants: an asynchronous symbiosis.
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Blood Urea Nitrogen; Cattle; Dietary Carbohydrates; Dietary Proteins; Female; Fermentation; Intestinal Absorption; Liver; Male; Nitrogen; Rumen; Urea | 2008 |
Nutritional management of patients with urea cycle disorders.
Topics: Adolescent; Adult; Ammonia; Child; Child, Preschool; Diet Therapy; Enzymes; Female; Humans; Hyperammonemia; Infant; Infant, Newborn; Male; Metabolism, Inborn Errors; Middle Aged; Nervous System Diseases; Nitrogen; Nutritional Sciences; Treatment Outcome; Urea | 2007 |
Neurological implications of urea cycle disorders.
Topics: Ammonia; Brain; Cognition; Enzymes; Female; Humans; Hyperammonemia; Magnetic Resonance Imaging; Male; Metabolism, Inborn Errors; Nervous System Diseases; Nitrogen; Treatment Outcome; Urea | 2007 |
Effects of silage soluble nitrogen components on metabolizable protein concentration: a meta-analysis of dairy cow production experiments.
Topics: Ammonia; Animal Nutritional Physiological Phenomena; Animals; Cattle; Dietary Proteins; Digestion; Energy Intake; Female; Lactation; Milk; Milk Proteins; Nitrogen; Poaceae; Silage; Solubility; Urea | 2008 |
Earthworms as ecosystem engineers and the most important detritivors in forest soils.
Topics: Ammonia; Animals; Ecology; Ecosystem; Environment; Models, Biological; Oligochaeta; Soil; Soil Microbiology; Trees; Urea | 2008 |
Discovery of the aquaporins and development of the field.
Topics: Ammonia; Animals; Antimony; Aquaglyceroporins; Aquaporin 1; Aquaporins; Arsenites; Biomedical Research; Carbon Dioxide; Glycerol; History, 20th Century; History, 21st Century; Humans; Hydrogen Peroxide; Nitric Oxide; Permeability; Urea; Water; Water-Electrolyte Balance | 2009 |
In vitro analysis and modification of aquaporin pore selectivity.
Topics: Ammonia; Animals; Aquaporin 1; Aquaporins; Biological Assay; Cells, Cultured; Glycerol; Humans; Leishmania; Models, Molecular; Oocytes; Permeability; Point Mutation; Protein Conformation; Protons; Recombinant Proteins; Structure-Activity Relationship; Urea; Water; Xenopus laevis; Yeasts | 2009 |
Ammonia and urea permeability of mammalian aquaporins.
Topics: Ammonia; Animals; Aquaporins; Humans; Hydrogen-Ion Concentration; Membrane Transport Proteins; Models, Biological; Models, Molecular; Mutation; Permeability; Protein Conformation; Rh-Hr Blood-Group System; Structure-Activity Relationship; Urea; Urea Transporters | 2009 |
Ammonia toxicity and its prevention in inherited defects of the urea cycle.
Topics: Adult; Ammonia; Animals; Arginine; Genetic Therapy; Humans; Hyperammonemia; Ornithine Carbamoyltransferase Deficiency Disease; Urea; Urea Cycle Disorders, Inborn | 2009 |
Plant aquaporin selectivity: where transport assays, computer simulations and physiology meet.
Topics: Ammonia; Aquaporins; Biological Transport; Carbon Dioxide; Cell Membrane Permeability; Computer Simulation; Models, Molecular; Oxygen; Plant Proteins; Plants; Protein Structure, Tertiary; Protons; Signal Transduction; Urea; Water | 2009 |
The influence of feeding and fasting on plasma metabolites in the dogfish shark (Squalus acanthias).
Topics: 3-Hydroxybutyric Acid; Amino Acids; Ammonia; Animals; Blood Glucose; Dogfish; Eating; Energy Metabolism; Fasting; Fatty Acids, Nonesterified; Feeding Behavior; Methylamines; Osmolar Concentration; Postprandial Period; Predatory Behavior; Time Factors; Urea | 2010 |
Adult nonhepatic hyperammonemia: a case report and differential diagnosis.
Topics: Ammonia; Diagnosis, Differential; Humans; Hyperammonemia; Liver Diseases; Male; Metabolism, Inborn Errors; Middle Aged; Urea; Valproic Acid | 2010 |
Amino acid metabolism in patients with propionic acidaemia.
Topics: Amino Acid Metabolism, Inborn Errors; Amino Acids, Branched-Chain; Ammonia; Citric Acid Cycle; Diet; Glutamine; Glycine; Humans; Isoleucine; Lysine; Methylmalonyl-CoA Decarboxylase; Models, Biological; Propionic Acidemia; Urea; Valine | 2012 |
Relation of net portal flux of nitrogen compounds with dietary characteristics in ruminants: a meta-analysis approach.
Topics: Amino Acids; Ammonia; Animal Nutritional Physiological Phenomena; Animals; Cattle; Diet; Nitrogen; Nitrogen Compounds; Portal System; Sheep; Urea | 2011 |
Severe hyperammonaemia in adults not explained by liver disease.
Topics: Adult; Amino Acids; Ammonia; Biological Transport; Blood-Brain Barrier; Brain; Glutamine; Humans; Hyperammonemia; Liver; Liver Diseases; Nitrogen; Urea; Urea Cycle Disorders, Inborn | 2012 |
Clinical and biochemical aspects of primary and secondary hyperammonemic disorders.
Topics: Amino-Acid N-Acetyltransferase; Ammonia; Animals; Glutamate-Ammonia Ligase; Humans; Hyperammonemia; Urea | 2013 |
Excretory nitrogen metabolism and defence against ammonia toxicity in air-breathing fishes.
Topics: Air; Amino Acids; Ammonia; Animals; Brain; Fishes; Glutamine; Hydrogen-Ion Concentration; Membrane Transport Proteins; Nitrogen; Proteolysis; Respiration; Urea; Volatilization | 2014 |
New insight into the strategy for nitrogen metabolism in plant cells.
Topics: Ammonia; Ammonium Compounds; Carbon; Gene Expression Regulation, Plant; Genes, Plant; Genome, Plant; Humans; Nitrates; Nitrogen; Oxygen Consumption; Plant Physiological Phenomena; Plants; Protein Processing, Post-Translational; Urea | 2014 |
Urea and Ammonia Metabolism and the Control of Renal Nitrogen Excretion.
Topics: Ammonia; Animals; Humans; Kidney; Kidney Concentrating Ability; Membrane Transport Proteins; Models, Biological; Renal Elimination; Urea; Urea Transporters; Water-Electrolyte Balance | 2015 |
Treating Every Needle in the Haystack: Hyperammonemic Encephalopathy and Severe Malnutrition After Bariatric Surgery-A Case Report and Review of the Literature.
Topics: Adult; Ammonia; Brain Diseases, Metabolic; Diagnostic Errors; Female; Fibrosis; Gastric Bypass; Humans; Middle Aged; Protein-Energy Malnutrition; Urea | 2015 |
Ammonia metabolism and hyperammonemic disorders.
Topics: Ammonia; Animals; Arginine; Biological Transport; Brain; Cell Membrane; Humans; Hyperammonemia; Hyperinsulinism; Liver; Liver Diseases; Pyruvate Carboxylase Deficiency Disease; Syndrome; Urea; Urologic Diseases; Valproic Acid | 2014 |
Novel Ammonia-Lowering Agents for Hepatic Encephalopathy.
Topics: Ammonia; Carbon; Gastrointestinal Agents; Glycerol; Hepatic Encephalopathy; Humans; Ornithine; Oxides; Phenylbutyrates; Polyethylene Glycols; Urea | 2015 |
The effect of CP concentration in the diet on urea kinetics and microbial usage of recycled urea in cattle: a meta-analysis.
Topics: Ammonia; Animal Feed; Animals; Cattle; Diet; Dietary Proteins; Feces; Female; Kinetics; Male; Models, Statistical; Nitrogen; Recycling; Rumen; Urea | 2017 |
PRODUCTION, MANAGEMENT AND THE ENVIRONMENT SYMPOSIUM: Measurement and mitigation of reactive nitrogen species from swine and poultry production.
Topics: Ammonia; Animal Husbandry; Animals; Environmental Pollution; Environmental Restoration and Remediation; Housing, Animal; Manure; Nitrogen; Nitrous Oxide; Poultry; Reactive Nitrogen Species; Swine; Urea | 2017 |
Ammonia and urea handling by early life stages of fishes.
Topics: Ammonia; Animals; Fishes; Urea | 2017 |
Inborn Errors of Metabolism with Hyperammonemia: Urea Cycle Defects and Related Disorders.
Topics: Ammonia; Emergency Treatment; Humans; Hyperammonemia; Infant; Infant, Newborn; Urea; Urea Cycle Disorders, Inborn | 2018 |
Mechanistic insight, diagnosis, and treatment of ammonia-induced hepatic encephalopathy.
Topics: Ammonia; Diet; Glutamine; Hepatic Encephalopathy; Humans; Urea | 2019 |
Environmental safety and biosafety in construction biotechnology.
Topics: Ammonia; Ammonium Compounds; Bacteria; Biotechnology; Calcium Carbonate; Chemical Precipitation; Construction Industry; Construction Materials; Containment of Biohazards; Environmental Pollutants; Hydrolysis; Soil Microbiology; Urea; Urease | 2019 |
Ammonia and autophagy: An emerging relationship with implications for disorders with hyperammonemia.
Topics: Ammonia; Animals; Autophagy; Glutamate-Ammonia Ligase; Glutamine; Homeostasis; Humans; Hyperammonemia; Liver; Urea; Urea Cycle Disorders, Inborn | 2019 |
Comprehensive characterization of ureagenesis in the spf
Topics: Age Factors; Aging; Ammonia; Animals; Disease Models, Animal; Humans; Hyperammonemia; Liver; Male; Mice; Mice, Transgenic; Ornithine Carbamoyltransferase; Ornithine Carbamoyltransferase Deficiency Disease; Urea | 2019 |
Review of Lysine Metabolism with a Focus on Humans.
Topics: 2-Aminoadipic Acid; Acetyl Coenzyme A; Ammonia; Animals; Bacteria; Body Weight; Deficiency Diseases; Diet; Gastrointestinal Microbiome; Humans; Lysine; Nitrogen; Nutritional Requirements; Nutritional Status; Proteins; Urea | 2020 |
CPS1: Looking at an ancient enzyme in a modern light.
Topics: Ammonia; Carbamoyl-Phosphate Synthase (Ammonia); Carbamoyl-Phosphate Synthase I Deficiency Disease; Homeostasis; Humans; Urea; Urea Cycle Disorders, Inborn | 2020 |
The context-specific roles of urea cycle enzymes in tumorigenesis.
Topics: Ammonia; Carcinogenesis; Cell Line, Tumor; Cell Proliferation; Cell Transformation, Neoplastic; Gene Expression; Gene Expression Profiling; Gene Expression Regulation, Neoplastic; Humans; Urea; Urea Cycle Disorders, Inborn | 2021 |
Hyperammonemia in Inherited Metabolic Diseases.
Topics: Ammonia; Fatty Acids; Humans; Hyperammonemia; Infant, Newborn; Metabolic Diseases; Urea | 2022 |
Topics: Adult; Alcohol Drinking; Ammonia; Animals; Anti-Inflammatory Agents; Area Under Curve; B-Lymphocytes; Black or African American; Bleaching Agents; Body Mass Index; Brugada Syndrome; Carbon; China; Climate Models; Codon, Nonsense; Cohort Studies; Colitis; Colon; COVID-19; Cytokines; Dental Enamel; Dextran Sulfate; Disease Models, Animal; Disease Outbreaks; Dogs; Electrocardiography; Escherichia coli; Esophageal Neoplasms; Female; Follow-Up Studies; Forests; Georgia; Glucosides; Healthy Volunteers; Heart Ventricles; Hesperidin; HIV Infections; Humans; Humidity; Hydrogen Peroxide; Incidence; Influenza, Human; Longitudinal Studies; Magnetic Resonance Imaging, Cine; Male; Melanocortins; Mice; Mice, Inbred C57BL; Microscopy, Electron, Scanning; Middle Aged; Muscular Dystrophy, Duchenne; Naphthol AS D Esterase; Naphthols; Neoplasms; Nitrates; Nitrites; Nitrous Oxide; Obesity; Pandemics; Patient Outcome Assessment; Patient Satisfaction; Plants; Prednisolone; Prednisone; Pregnenediones; Proportional Hazards Models; Prospective Studies; Pulmonary Disease, Chronic Obstructive; Rats; Receptor, Melanocortin, Type 1; Retrospective Studies; Risk Factors; SARS-CoV-2; Seasons; Soil; Stroke Volume; T-Lymphocytes; Telemedicine; Temperature; Tetralogy of Fallot; Tooth Bleaching; Tooth Bleaching Agents; Trees; Urea; White People | 2021 |
A review on sensing and catalytic activity of nano-catalyst for synthesis of one-step ammonia and urea: Challenges and perspectives.
Topics: Ammonia; Catalysis; Fertilizers; Humans; Temperature; Urea | 2022 |
Review: Unlocking the limitations of urea supply in ruminant diets by considering the natural mechanism of endogenous urea secretion.
Topics: Ammonia; Animal Feed; Animals; Diet; Dietary Proteins; Digestion; Fermentation; Humans; Nitrogen; Rumen; Ruminants; Urea | 2022 |
Maintaining higher grain production with less reactive nitrogen losses in China: A meta-analysis study.
Topics: Agriculture; Ammonia; Charcoal; China; Crops, Agricultural; Edible Grain; Fertilizers; Nitrates; Nitrogen; Nitrous Oxide; Oryza; Soil; Triticum; Urea; Zea mays | 2022 |
Unraveling the therapeutic potential of carbamoyl phosphate synthetase 1 (CPS1) in human diseases.
Topics: Ammonia; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Carbamoyl-Phosphate Synthase I Deficiency Disease; Carbamyl Phosphate; Humans; Mammals; Urea | 2023 |
72 trial(s) available for ammonium hydroxide and urea
| Article | Year |
|---|---|
Evaluating skin-protective materials against contact irritants and allergens. An in vivo screening human model.
Topics: Administration, Topical; Adult; Ammonium Hydroxide; Anti-Inflammatory Agents; Dermatitis, Allergic Contact; Fatty Alcohols; Humans; Hydroxides; Irritants; Lanolin; Male; Middle Aged; Paraffin; Patch Tests; Pharmaceutic Aids; Plants, Toxic; Random Allocation; Reference Values; Sodium Dodecyl Sulfate; Time Factors; Toxicodendron; Urea; Waxes | 1998 |
Continuous monitoring of urea levels during hemodialysis.
Topics: Ammonia; Blood Urea Nitrogen; Clinical Trials as Topic; Double-Blind Method; Electrodes; Humans; Methods; Renal Dialysis; Urea | 1978 |
The Comorosan effect: single- and double-blind studies on the urea/urease system.
Topics: Ammonia; Clinical Trials as Topic; In Vitro Techniques; Light; Time Factors; Urea; Urease | 1976 |
Effects of early amino acid administration during total parenteral nutrition on protein metabolism in pre-term infants.
Topics: Age Factors; Amino Acids; Ammonia; Humans; Infant Nutritional Physiological Phenomena; Infant, Low Birth Weight; Infant, Newborn; Infant, Premature; Parenteral Nutrition, Total; Proteins; Urea | 1992 |
Effect of increasing Helicobacter pylori ammonia production by urea infusion on plasma gastrin concentrations.
Topics: Adult; Ammonia; Duodenal Ulcer; Female; Gastric Juice; Gastrins; Helicobacter pylori; Humans; Male; Middle Aged; Urea | 1991 |
Feeding preterm infants with L-carnitine supplemented formula.
Topics: Absorption; Amino Acids; Ammonia; Body Weight; Carnitine; Creatinine; Drug Evaluation; Enteral Nutrition; Female; Food, Fortified; Humans; Infant, Newborn; Infant, Premature; Male; Randomized Controlled Trials as Topic; Time Factors; Urea | 1990 |
The effect of insulin infusion on whole-body protein metabolism in patients with gastrointestinal disease fed parenterally.
Topics: Adult; Aged; Ammonia; Anthropometry; Blood Glucose; Body Temperature; Female; Gastrointestinal Diseases; Humans; Insulin; Male; Mathematics; Methylhistidines; Middle Aged; Nitrogen; Parenteral Nutrition; Parenteral Nutrition, Total; Proteins; Urea | 1985 |
In vivo dialysis of faeces as a method of stool analysis. 3. The effect of intestinal antibiotics.
Topics: Adult; Ammonia; Anti-Bacterial Agents; Bacitracin; Bacteroides; Carbon Dioxide; Colistin; Dialysis; Enterococcus faecalis; Feces; Female; Humans; Intestines; Male; Methods; Neomycin; Nitrogen; Nystatin; Paromomycin; Phosphates; Polymyxins; Potassium; Sodium; Sulfates; Urea; Urease | 1968 |
Blood ammonia levels in advanced cirrhosis during therapeutic elevation of the insulin:glucagon ratio.
Topics: Administration, Oral; Ammonia; Diet Therapy; Dietary Proteins; Glucagon; Glucose; Humans; Insulin; Insulin Secretion; Liver; Liver Cirrhosis; Radioimmunoassay; Urea | 1974 |
Effect of ammonium chloride and urea infusions on ammonium levels and acidity of gastric juice.
Topics: Ammonia; Ammonium Chloride; Anemia, Pernicious; Blood Chemical Analysis; Clinical Trials as Topic; Gastric Acidity Determination; Gastric Juice; Humans; Neomycin; Pyrazoles; Urea | 1965 |
Utilization of amino acids in casein-lactalbumin and wheat gluten when equalized to levels of the FAO pattern.
Topics: Adolescent; Adult; Albumins; Amino Acids; Ammonia; Body Weight; Caseins; Diet; Dietary Proteins; Feces; Female; Food Additives; Glutens; Humans; Male; Nitrogen; Nutritional Physiological Phenomena; Nutritional Requirements; Triticum; Urea | 1969 |
The effect of surgical trauma and insulin on whole-body protein turnover in parenterally-fed undernourished patients.
Topics: Adolescent; Adult; Aged; Ammonia; Blood Glucose; Creatinine; Female; Glucagon; Humans; Insulin; Intestines; Male; Methylhistidines; Middle Aged; Nitrogen; Nutrition Disorders; Parenteral Nutrition; Proteins; Surgical Procedures, Operative; Urea | 1984 |
Protein metabolism during weight reduction with very-low-energy diets: evaluation of the independent effects of protein and carbohydrate on protein sparing.
Topics: 3-Hydroxybutyric Acid; Adult; Amino Acids; Ammonia; Analysis of Variance; Blood Glucose; Body Composition; Diet, Reducing; Dietary Carbohydrates; Dietary Proteins; Energy Metabolism; Feces; Female; Humans; Hydroxybutyrates; Insulin; Nitrogen; Obesity; Proteins; Thyroid Hormones; Urea; Uric Acid; Weight Loss | 1995 |
Whole-body protein turnover in response to hyperinsulinemia in humans postabsorptively with [15N]glycine as tracer.
Topics: Adult; Ammonia; Blood Glucose; Carbon Isotopes; Cross-Over Studies; Female; Glucose Clamp Technique; Glycine; Humans; Hyperinsulinism; Insulin; Leucine; Male; Nitrogen Isotopes; Nutritional Status; Proteins; Urea | 1995 |
The modifying influence of anaesthesia on postoperative protein catabolism.
Topics: Ammonia; Anesthesia, Intravenous; Dietary Proteins; Female; Fentanyl; Humans; Male; Methylhistidines; Postoperative Period; Proteins; Stress, Physiological; Urea | 1994 |
Effects of ornithine aspartate on plasma ammonia and plasma amino acids in patients with cirrhosis. A double-blind, randomized study using a four-fold crossover design.
Topics: Adult; Amino Acids; Ammonia; Blood Glucose; Dipeptides; Double-Blind Method; Female; Humans; Insulin; Liver Cirrhosis; Male; Middle Aged; Urea | 1993 |
Carbohydrate intake and recovery from prolonged exercise.
Topics: Adult; Ammonia; Blood Glucose; Dietary Carbohydrates; Exercise; Fatty Acids, Nonesterified; Glycerol; Glycogen; Humans; Lactates; Lactic Acid; Male; Physical Endurance; Running; Urea | 1993 |
Resistant starch lowers fecal concentrations of ammonia and phenols in humans.
Topics: Adult; Ammonia; Colon; Creatinine; Cresols; Cross-Over Studies; Dietary Proteins; Feces; Female; Fermentation; Humans; Hydrogen-Ion Concentration; Male; Middle Aged; Nitrogen; Phenols; Starch; Urea | 1996 |
Bed rest decreases whole-body protein turnover in post-absorptive man.
Topics: Absorption; Adult; Ammonia; Bed Rest; Female; Humans; Male; Nitrogen Radioisotopes; Proteins; Radioactive Tracers; Urea | 1996 |
Chronic sodium benzoate therapy in children with inborn errors of urea synthesis: effect on carnitine metabolism and ammonia nitrogen removal.
Topics: Adolescent; Adult; Amino Acid Metabolism, Inborn Errors; Ammonia; Benzoates; Benzoic Acid; Carnitine; Child; Child, Preschool; Female; Humans; Male; Nitrogen; Ornithine; Retrospective Studies; Syndrome; Urea | 1996 |
Conversion of [15N]ammonia into urea and amino acids in humans and the effect of nutritional status.
Topics: Adult; Amino Acids; Ammonia; Ammonium Chloride; Aspartic Acid; Cross-Over Studies; Fasting; Glutamine; Humans; Intestinal Mucosa; Nitrogen; Nitrogen Isotopes; Nutritional Status; Urea | 1996 |
Quantitative analysis of ammonia on the breath of patients in end-stage renal failure.
Topics: Adult; Aged; Ammonia; Breath Tests; Dose-Response Relationship, Drug; Female; Humans; Kidney Failure, Chronic; Male; Middle Aged; Peritoneal Dialysis, Continuous Ambulatory; Saliva; Time Factors; Urea | 1997 |
Effect of meat and resistant starch on fecal excretion of apparent N-nitroso compounds and ammonia from the human large bowel.
Topics: Adult; Ammonia; Analysis of Variance; Cross-Over Studies; Feces; Gastrointestinal Transit; Humans; Hydrogen-Ion Concentration; Intestine, Large; Male; Meat; Middle Aged; Nitrates; Nitroso Compounds; Patient Compliance; Reference Values; Starch; Urea | 1997 |
Usefulness of short-term urine collection in the nutritional monitoring of low birthweight infants.
Topics: Ammonia; Analysis of Variance; Creatinine; Female; Humans; Infant Nutritional Physiological Phenomena; Infant, Low Birth Weight; Infant, Newborn; Linear Models; Male; Monitoring, Physiologic; Nitrogen; Prospective Studies; Sensitivity and Specificity; Urea; Urine | 1998 |
Maternal dietary protein deficiency decreases amino acid concentrations in fetal plasma and allantoic fluid of pigs.
Topics: Allantois; Amino Acids; Ammonia; Animals; Cohort Studies; Diet; Dietary Proteins; Female; Fetal Blood; Maternal-Fetal Exchange; Pregnancy; Pregnancy Complications; Protein Deficiency; Swine; Swine Diseases; Urea | 1998 |
Metabolic effects of a protein-supplemented carbohydrate drink in marathon runners.
Topics: Adult; Amino Acids; Ammonia; Beverages; Cross-Over Studies; Dietary Carbohydrates; Dietary Proteins; Double-Blind Method; Energy Metabolism; Exercise; Fatty Acids, Nonesterified; Humans; Male; Methylhistidines; Milk Proteins; Running; Sweat; Urea | 1999 |
Crude protein and rumen undergradable protein effects on reproduction and lactation performance of Holstein cows.
Topics: Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Cattle; Dietary Proteins; Digestion; Female; Glycine max; Lactation; Pregnancy; Reproduction; Rumen; Seasons; Secale; Silage; Urea; Zea mays | 1999 |
Chronic arginine aspartate supplementation in runners reduces total plasma amino acid level at rest and during a marathon run.
Topics: 3-Hydroxybutyric Acid; Adult; Amino Acids; Ammonia; Arginine; Aspartic Acid; Carbohydrates; Creatine Kinase; Cross-Over Studies; Dietary Supplements; Double-Blind Method; Fatty Acids; Glucagon; Glycerol; Human Growth Hormone; Humans; Hydrocortisone; Insulin; L-Lactate Dehydrogenase; Male; Ornithine; Respiratory Function Tests; Running; Urea | 1999 |
Short-term protein and energy supplementation activates nitrogen kinetics and accretion in poorly nourished elderly subjects.
Topics: Absorptiometry, Photon; Adult; Aged; Aged, 80 and over; Ammonia; Body Composition; Body Water; Dietary Proteins; Energy Intake; Female; Humans; Kinetics; Male; Nitrogen; Protein-Energy Malnutrition; Urea; Weight Loss | 2000 |
Postprandial modulation of dietary and whole-body nitrogen utilization by carbohydrates in humans.
Topics: Adult; Amino Acids; Ammonia; Blood Glucose; Carbon Dioxide; Coloring Agents; Creatinine; Deamination; Dietary Proteins; Dietary Sucrose; Female; Gastrointestinal Contents; Humans; Ileum; Insulin; Male; Nitrogen; Phenolsulfonphthalein; Polyethylene Glycols; Postprandial Period; Solvents; Soybean Proteins; Urea | 2000 |
Energy nutrients modulate the splanchnic sequestration of dietary nitrogen in humans: a compartmental analysis.
Topics: Amino Acids; Ammonia; Biological Transport; Body Fluid Compartments; Dietary Fats; Dietary Sucrose; Discriminant Analysis; Gastrointestinal Contents; Humans; Ileum; Insulin; Intubation, Gastrointestinal; Kinetics; Milk Proteins; Models, Biological; Nitrogen; Nitrogen Isotopes; Postprandial Period; Predictive Value of Tests; Reproducibility of Results; Splanchnic Circulation; Urea | 2001 |
Effects of creatine supplementation during recovery from rapid body mass reduction on metabolism and muscle performance capacity in well-trained wrestlers.
Topics: Adult; Ammonia; Blood Glucose; Body Weight; Creatine; Cross-Over Studies; Dietary Supplements; Double-Blind Method; Glucose; Humans; Lactates; Male; Muscle, Skeletal; Time Factors; Urea; Weight Loss; Wrestling | 2002 |
A randomized, controlled trial of parenteral glutamine in ill, very low birth-weight neonates.
Topics: Amino Acids; Ammonia; Birth Weight; Enteral Nutrition; Female; Gestational Age; Glutamine; Humans; Infant Nutritional Physiological Phenomena; Infant, Newborn; Infant, Premature; Infant, Very Low Birth Weight; Lactic Acid; Liver Function Tests; Male; Parenteral Nutrition; Pyruvic Acid; Risk Factors; Time Factors; Urea | 2003 |
Effect of molasses supplementation on the production of lactating dairy cows fed diets based on alfalfa and corn silage.
Topics: Ammonia; Animals; Cattle; Diet; Dietary Sucrose; Digestion; Eating; Female; Lactation; Lipids; Medicago sativa; Milk; Milk Proteins; Molasses; Nitrogen; Purines; Rumen; Silage; Urea; Zea mays | 2004 |
Protein level for alfalfa and corn silage-based diets: I. Lactational response and milk urea nitrogen.
Topics: Ammonia; Animal Nutritional Physiological Phenomena; Animals; Body Composition; Body Weight; Cattle; Diet; Dietary Proteins; Eating; Female; Hydrogen-Ion Concentration; Lactation; Lactose; Lipids; Medicago sativa; Milk; Milk Proteins; Nitrogen; Rumen; Silage; Urea; Zea mays | 2004 |
Effect of dietary crude protein level and degradability on ruminal fermentation and nitrogen utilization in lactating dairy cows.
Topics: Ammonia; Animal Feed; Animals; Cattle; Cross-Over Studies; Diet; Dietary Proteins; Digestion; Duodenum; Female; Fermentation; Lactation; Milk; Nitrogen; Rumen; Urea | 2004 |
Sampling airway surface liquid: non-volatiles in the exhaled breath condensate.
Topics: Albumins; Ammonia; Breath Tests; Exhalation; Female; Humans; Male; Proteins; Reference Values; Respiratory Function Tests; Specimen Handling; Surface Properties; Urea | 2004 |
Effects of two different feeding strategies during dry-off on metabolism in high-yielding dairy cows.
Topics: 3-Hydroxybutyric Acid; Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Blood Glucose; Body Fluids; Cattle; Diet; Fatty Acids, Nonesterified; Fatty Acids, Volatile; Female; Hydrogen-Ion Concentration; Lactation; Leptin; Parity; Pregnancy; Rumen; Silage; Urea | 2005 |
Breath ammonia testing for diagnosis of hepatic encephalopathy.
Topics: Ammonia; Breath Tests; Equipment Design; Female; Hepatic Encephalopathy; Humans; Male; Middle Aged; Predictive Value of Tests; Reproducibility of Results; Trail Making Test; Urea | 2005 |
Performance responses and indicators of gastrointestinal health in early-weaned pigs fed low-protein amino acid-supplemented diets.
Topics: Amino Acids; Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Diet; Dietary Proteins; Fatty Acids, Volatile; Gastrointestinal Contents; Gastrointestinal Tract; Intestine, Small; Organ Size; Swine; Time Factors; Urea; Weaning | 2006 |
Effect of dietary crude protein concentration on milk production and nitrogen utilization in lactating dairy cows.
Topics: Acetates; Allantoin; Ammonia; Animals; Cattle; Dietary Proteins; Digestion; Fats; Fatty Acids, Volatile; Female; Glycine max; Lactation; Medicago sativa; Milk; Milk Proteins; Nitrogen; Rumen; Silage; Urea; Zea mays | 2006 |
Effects of arginine treatment on nutrition, growth and urea cycle function in seven Japanese boys with late-onset ornithine transcarbamylase deficiency.
Topics: Age of Onset; Amino Acids; Ammonia; Analysis of Variance; Arginine; Biomarkers; Blood Proteins; Body Height; Body Weight; Child, Preschool; Cholesterol, HDL; Cholesterol, LDL; Diet, Protein-Restricted; Growth; Growth Hormone; Humans; Hyperammonemia; Insulin-Like Growth Factor Binding Protein 3; Insulin-Like Growth Factor I; Japan; Male; Nutritional Physiological Phenomena; Ornithine Carbamoyltransferase Deficiency Disease; Orotic Acid; Thyrotropin; Time Factors; Treatment Outcome; Triglycerides; Urea | 2006 |
Trials of novel 13C-urea-containing capsule for more economic and sensitive diagnosis of Helicobacter pylori infection in human subjects.
Topics: Adult; Ammonia; Breath Tests; Capsules; Carbon Dioxide; Carbon Isotopes; Cellulose; Excipients; Helicobacter Infections; Helicobacter pylori; Humans; Polyethylene Glycols; Sensitivity and Specificity; Sodium Dodecyl Sulfate; Solubility; Time Factors; Urea | 2006 |
Survival after treatment with phenylacetate and benzoate for urea-cycle disorders.
Topics: Adolescent; Adult; Age Factors; Age of Onset; Amino Acid Metabolism, Inborn Errors; Ammonia; Carbamoyl-Phosphate Synthase I Deficiency Disease; Child; Child, Preschool; Citrullinemia; Female; Humans; Hyperammonemia; Infant; Infant, Newborn; Male; Ornithine Carbamoyltransferase Deficiency Disease; Phenylacetates; Sodium Benzoate; Survival Analysis; Urea | 2007 |
An analysis of the relationship between plasma urea and ammonia concentration in dairy cattle fed a consistent diet over a 100-day period.
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Cattle; Dairying; Diet; Female; Models, Biological; Urea | 2007 |
Glutamine protects against increases in blood ammonia in football players in an exercise intensity-dependent way.
Topics: Adult; Alanine; Ammonia; Analysis of Variance; Creatinine; Dietary Supplements; Double-Blind Method; Glutamine; Humans; Soccer; Urea; Uric Acid | 2008 |
N-carbamylglutamate markedly enhances ureagenesis in N-acetylglutamate deficiency and propionic acidemia as measured by isotopic incorporation and blood biomarkers.
Topics: Acetyl Coenzyme A; Adult; Amino Acids; Ammonia; Biomarkers; Carbon Dioxide; Carbon Isotopes; Child; Feasibility Studies; Female; Glutamates; Humans; Male; Metabolic Diseases; Middle Aged; Propionates; Urea | 2008 |
Uric acid, urea, and ammonia concentrations in serum and uric acid concentration in excreta as indicators of amino acid utilization in diets for broilers.
Topics: Amino Acids; Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Chickens; Diet; Feces; Male; Urea; Uric Acid | 2010 |
N-carbamylglutamate augments ureagenesis and reduces ammonia and glutamine in propionic acidemia.
Topics: Administration, Oral; Adolescent; Ammonia; Blood Chemical Analysis; Child; Child, Preschool; Confidence Intervals; Dose-Response Relationship, Drug; Drug Administration Schedule; Female; Follow-Up Studies; Glutamates; Glutamine; Humans; Infant; Male; Probability; Propionic Acidemia; Prospective Studies; Risk Assessment; Treatment Outcome; Urea | 2010 |
The effect of pre- and probiotics on the colonic ammonia metabolism in humans as measured by lactose-[¹⁵N₂]ureide.
Topics: Adult; Ammonia; Colon; Feces; Female; Food Microbiology; Humans; Lactobacillus acidophilus; Lactose; Male; Nitrogen Isotopes; Pisum sativum; Plant Tubers; Prebiotics; Probiotics; Seeds; Solanum tuberosum; Starch; Urea; Yogurt; Young Adult | 2010 |
The effect of L-ornithine hydrochloride ingestion on performance during incremental exhaustive ergometer bicycle exercise and ammonia metabolism during and after exercise.
Topics: Ammonia; Athletes; Athletic Performance; Cross-Over Studies; Dietary Supplements; Double-Blind Method; Exercise; Exercise Test; Glutamic Acid; Heart Rate; Humans; Lactic Acid; Male; Muscle Fatigue; Ornithine; Oxygen Consumption; Physical Endurance; Time Factors; Urea; Young Adult | 2010 |
Milk urea concentration as an indicator of ammonia emission from dairy cow barn under restricted grazing.
Topics: Ammonia; Animals; Cattle; Eating; Environmental Pollutants; Housing, Animal; Milk; Temperature; Time Factors; Urea | 2011 |
Ammonia control in children with urea cycle disorders (UCDs); phase 2 comparison of sodium phenylbutyrate and glycerol phenylbutyrate.
Topics: Adolescent; Ammonia; Child; Dose-Response Relationship, Drug; Glycerol; Humans; Male; Phenylbutyrates; Urea; Urea Cycle Disorders, Inborn | 2011 |
Postprandial protein metabolism but not a fecal test reveals protein malabsorption in patients with pancreatic exocrine insufficiency.
Topics: Amino Acids; Ammonia; Caseins; Creatinine; Dietary Proteins; Exocrine Pancreatic Insufficiency; Feces; Female; Humans; Kinetics; Malabsorption Syndromes; Male; Middle Aged; Pancreatitis, Chronic; Postprandial Period; Urea | 2011 |
Dietary nitrate supplementation reduces methane emission in beef cattle fed sugarcane-based diets.
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Cattle; Cross-Over Studies; Diet; Dietary Supplements; Methane; Nitrates; Rumen; Saccharum; Sulfur Hexafluoride; Urea | 2012 |
Randomized, double-blind, controlled study of glycerol phenylbutyrate in hepatic encephalopathy.
Topics: Adult; Aged; Ammonia; Double-Blind Method; Female; Glutamine; Glycerol; Hepatic Encephalopathy; Humans; Hyperammonemia; Male; Middle Aged; Phenylbutyrates; Treatment Outcome; Urea; Young Adult | 2014 |
The metabolic effect of resistant starch and yoghurt on the renal and faecal nitrogen and ammonia excretion in humans as measured by lactose-[(15)N2]ureide.
Topics: Adult; Ammonia; Cross-Over Studies; Feces; Female; Humans; Kidney; Lactobacillus; Lactobacillus acidophilus; Lactose; Male; Nitrogen; Nitrogen Isotopes; Prebiotics; Probiotics; Starch; Urea; Yogurt; Young Adult | 2013 |
The rate and pattern of urea infusion into the rumen of wethers alters nitrogen balance and plasma ammonia.
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Diet; Drug Administration Schedule; Male; Nitrogen; Rumen; Sheep; Urea | 2014 |
Augmenting ureagenesis in patients with partial carbamyl phosphate synthetase 1 deficiency with N-carbamyl-L-glutamate.
Topics: Adolescent; Adult; Ammonia; Carbamoyl-Phosphate Synthase I Deficiency Disease; Child; Child, Preschool; Female; Glutamates; Glutamine; Humans; Linear Models; Male; Mass Spectrometry; Treatment Outcome; Urea; Young Adult | 2014 |
The Effects of Broccoli Sprout Extract Containing Sulforaphane on Lipid Peroxidation and Helicobacter pylori Infection in the Gastric Mucosa.
Topics: Adult; Ammonia; Antioxidants; Biomarkers; Brassica; Breath Tests; Double-Blind Method; Enzyme-Linked Immunosorbent Assay; Female; Gastric Juice; Gastric Mucosa; Glutathione; Helicobacter Infections; Helicobacter pylori; Humans; Isothiocyanates; Lipid Peroxidation; Male; Malondialdehyde; Middle Aged; Plant Extracts; Sulfoxides; Urea | 2015 |
Effects of encapsulated nitrate on enteric methane production and nitrogen and energy utilization in beef heifers.
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Body Weight; Capsules; Cattle; Dietary Supplements; Digestive System; Eating; Energy Metabolism; Female; Methane; Nitrates; Nitrogen; Rumen; Urea | 2015 |
Effect of ammonia-generating diet on ovine serum and follicular fluid ammonia and urea levels, serum oestrogen and progesterone concentrations and granulosa cell functions.
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Diet; Estrogens; Female; Follicular Fluid; Granulosa Cells; Progesterone; Sheep; Urea | 2016 |
Effects of feed consumption rate of beef cattle offered a diet supplemented with nitrate ad libitum or restrictively on potential toxicity of nitrate.
Topics: Ammonia; Animal Feed; Animals; Cattle; Diet; Dietary Supplements; Eating; Feeding Behavior; Female; Fermentation; Food Deprivation; Hydrogen-Ion Concentration; Nitrates; Rumen; Urea | 2015 |
Effects of varying ruminally undegradable protein supplementation on forage digestion, nitrogen metabolism, and urea kinetics in Nellore cattle fed low-quality tropical forage.
Topics: Ammonia; Animal Feed; Animals; Caseins; Cattle; Dietary Proteins; Dietary Supplements; Digestion; Dose-Response Relationship, Drug; Female; Kinetics; Methylhistidines; Nitrogen; Poaceae; Rumen; Urea | 2016 |
Effect of dietary replacement of alfalfa with urea-treated almond hulls on intake, growth, digestibility, microbial nitrogen, nitrogen retention, ruminal fermentation, and blood parameters in fattening lambs.
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Diet; Digestion; Energy Intake; Fermentation; Male; Medicago sativa; Nitrogen; Prunus dulcis; Rumen; Sheep; Urea | 2016 |
Network Analysis of Metabolite GWAS Hits: Implication of CPS1 and the Urea Cycle in Weight Maintenance.
Topics: Adult; Ammonia; Betaine; Caloric Restriction; Carbamoyl-Phosphate Synthase (Ammonia); Carbamyl Phosphate; Chromosome Mapping; Female; Gene Expression; Gene Regulatory Networks; Genome-Wide Association Study; Glycine; Humans; Insulin Resistance; Lipid Metabolism; Male; Metabolome; Mitochondria; Obesity; Polymorphism, Single Nucleotide; Quantitative Trait Loci; Urea; Weight Loss | 2016 |
Effects of feeding different levels of dried orange pulp and recycled poultry bedding on the performance of fattening lambs.
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Antioxidants; Citrus sinensis; Diet; Digestion; Feeding Behavior; Fermentation; Floors and Floorcoverings; Housing, Animal; Nitrogen; Poultry; Rumen; Sheep; Urea | 2017 |
Timing and pattern of postexercise protein ingestion affects whole-body protein balance in healthy children: a randomized trial.
Topics: Adolescent; Ammonia; Beverages; Child; Diet; Dietary Carbohydrates; Dietary Proteins; Exercise; Feeding Behavior; Female; Health Behavior; Humans; Male; Time Factors; Urea | 2017 |
Human heterologous liver cells transiently improve hyperammonemia and ureagenesis in individuals with severe urea cycle disorders.
Topics: Ammonia; Biomarkers; Cell Transplantation; Europe; Female; Humans; Hyperammonemia; Infant; Infant, Newborn; Liver; Liver Transplantation; Male; Prospective Studies; Time Factors; Treatment Outcome; Urea; Urea Cycle Disorders, Inborn | 2018 |
Pilot Study Examining the Influence of Potassium Bicarbonate Supplementation on Nitrogen Balance and Whole-Body Ammonia and Urea Turnover Following Short-Term Energy Restriction in Older Men.
Topics: Aged; Ammonia; Bicarbonates; Body Mass Index; Diet, Reducing; Dietary Supplements; Energy Intake; Glycine; Humans; Hydrogen-Ion Concentration; Male; Middle Aged; Nitrogen; Nitrogen Isotopes; Obesity; Overweight; Pilot Projects; Placebos; Potassium Compounds; Proteins; Urea; Weight Loss | 2018 |
Intrahepatic Administration of Human Liver Stem Cells in Infants with Inherited Neonatal-Onset Hyperammonemia: A Phase I Study.
Topics: Age of Onset; Amino Acid Metabolism, Inborn Errors; Ammonia; Argininosuccinic Aciduria; Cell Differentiation; Drug-Related Side Effects and Adverse Reactions; Female; Hepatocytes; Humans; Hyperammonemia; Infant, Newborn; Liver; Liver Transplantation; Male; Metabolism, Inborn Errors; Stem Cell Transplantation; Stem Cells; Urea | 2020 |
Ruminal microbes of adult sheep do not degrade extracellular l-citrulline.
Topics: Ammonia; Animal Feed; Animals; Arginine; Bacteria; Citrulline; Diet; Dietary Supplements; Female; Glutamic Acid; Glutamine; Ornithine; Proline; Rumen; Sheep; Urea | 2020 |
2272 other study(ies) available for ammonium hydroxide and urea
| Article | Year |
|---|---|
Adaptive cytoprotection by ammonia and urea-urease system in the rat gastric mucosa.
Topics: Adaptation, Physiological; Ammonia; Ammonium Hydroxide; Animals; Dinoprostone; Ethanol; Female; Gastric Mucosa; Hydroxides; Irritants; Male; Neurons, Afferent; Nitric Oxide; Rats; Rats, Wistar; Receptors, Histamine H2; Regional Blood Flow; Urea; Urease | 1995 |
Urea-urease system in cytoprotection against acute mucosal damage.
Topics: Ammonium Hydroxide; Animals; Ethanol; Female; Gastric Mucosa; Hydroxides; Male; Nitric Oxide; Prostaglandins; Rats; Rats, Wistar; Regional Blood Flow; Urea; Urease | 1996 |
Comparison of Rehydration Techniques for Fingerprinting the Deceased after Mummification.
Topics: Ammonium Hydroxide; Carbonates; Dermatoglyphics; Fluid Therapy; Forensic Sciences; Humans; Hydroxides; Mummies; Potassium Compounds; Rehydration Solutions; Urea; Water | 2017 |
A Rapid, Scalable Method for the Isolation, Functional Study, and Analysis of Cell-derived Extracellular Matrix.
Topics: Ammonium Hydroxide; Animals; Cell Line; Chlorocebus aethiops; COS Cells; Electrophoresis, Polyacrylamide Gel; Extracellular Matrix; Extracellular Matrix Proteins; Humans; Immunoblotting; Mass Spectrometry; Microscopy, Fluorescence; Time-Lapse Imaging; Urea | 2017 |
Urea transport-defective strains of Saccharomyces cerevisiae.
Topics: Acetamides; Allantoin; Ammonia; Biological Transport, Active; Carbonyl Cyanide m-Chlorophenyl Hydrazone; Cyanides; Cycloheximide; Dinitrophenols; Formamides; Glycolates; Hydrogen-Ion Concentration; Mutation; Ornithine; Saccharomyces cerevisiae; Urea | 1976 |
Effects of citrus pulp in high urea rations for steers.
Topics: Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Cattle; Citrus; Fatty Acids, Volatile; Gastric Juice; Hydrogen-Ion Concentration; Male; Rumen; Urea | 1976 |
Effect of fatty acids on the disposition of ammonia.
Topics: Ammonia; Animals; Brain; Caprylates; Carbamoyl-Phosphate Synthase (Ammonia); Citrulline; Fatty Acids; Glutamate Dehydrogenase; Glutamate-Ammonia Ligase; In Vitro Techniques; Liver; Male; Rats; Urea | 1976 |
Nitrogen intake and tumorigenesis in rats injected with 1,2-dimethylhydrazine.
Topics: Adenocarcinoma; Ammonia; Animals; Blood Urea Nitrogen; Caseins; Cecum; Cholesterol; Colon; Colonic Neoplasms; Dietary Proteins; Dimethylhydrazines; Ear Neoplasms; Female; Hydrazines; Hydrogen-Ion Concentration; Intestinal Neoplasms; Intestine, Small; Neoplasms; Nitrogen; Papilloma; Rats; Urea; Urease | 1976 |
Effects of arginine infusion in infants: increased urea synthesis associated with unchanged ammonia blood levels.
Topics: Ammonia; Arginine; Bicarbonates; Child; Humans; Hydrogen-Ion Concentration; Infant; Infant, Newborn; Ornithine; Urea | 1976 |
Effects of saline acclimation on plasma electrolytes, urea excretion, and hepatic urea biosynthesis in a freshwater stingray, Potamotrygon sp. Garman, 1877.
Topics: Acclimatization; Ammonia; Animals; Argininosuccinate Lyase; Argininosuccinate Synthase; Chlorides; Fishes; Kidney Glomerulus; Liver; Seawater; Sodium; Sodium Chloride; Thiourea; Urea | 1977 |
Electron transport in the alkalophile Bacillus pasteurii (N.C.I.B. 8841).
Topics: Ammonia; Bacillus; Electron Transport; Hydrogen-Ion Concentration; Oxidation-Reduction; Spectrophotometry; Temperature; Urea | 1976 |
Factors affecting the amount and the activity of the glutamate dehydrogenases of Coprinus cinereus.
Topics: Agaricales; Allosteric Regulation; Ammonia; Coprinus; Culture Media; Enzyme Activation; Enzyme Induction; Enzyme Repression; Glutamate Dehydrogenase; Glutamates; Ketoglutaric Acids; Kinetics; NAD; NADP; Urea | 1977 |
Mitochondrial and cytosolic NADPH systems and isocitrate dehydrogenase indicator metabolites during ureogensis from ammonia in isolated rat hepatocytes.
Topics: Ammonia; Animals; Cytosol; Digitonin; In Vitro Techniques; Isocitrate Dehydrogenase; Ketoglutaric Acids; Liver; Male; Mitochondria, Liver; NADP; Oxygen Consumption; Rats; Tricarboxylic Acids; Urea | 1977 |
Ammonia toxicity in cattle. II. Changes in carotid and jugular blood components associated with toxicity.
Topics: Ammonia; Animals; Carbon Dioxide; Carotid Arteries; Cattle; Cattle Diseases; Electrocardiography; Female; Heart Rate; Hematocrit; Hydrogen-Ion Concentration; Jugular Veins; Lactates; Oxygen; Rumen; Tetany; Urea | 1977 |
Effects of carbon dioxide, urea, and ammonia on growth of Ureaplasma urealyticum (T-strain mycoplasma).
Topics: Ammonia; Carbon Dioxide; Hydrogen-Ion Concentration; Urea; Ureaplasma | 1977 |
Inhibitor of protein degradation formed during incubation of isolated rat hepatocytes in a cell culture medium. Its identification as ammonia.
Topics: Amino Acids; Ammonia; Animals; Cells, Cultured; Culture Media; Deamination; Glutamine; Hydrogen-Ion Concentration; Liver; Male; Nitrogen; Oxygen; Proteins; Rats; Urea | 1977 |
Diagnosis of urea cycle disorders.
Topics: Amino Acids; Ammonia; Argininosuccinate Synthase; Carbamoyl-Phosphate Synthase (Ammonia); Humans; Hydrogen-Ion Concentration; Metabolism, Inborn Errors; Ornithine Carbamoyltransferase Deficiency Disease; Pyrimidines; Urea | 1977 |
[The passage of nitrogenous compounds through the wall of perfused sheep rumen (author's transl)].
Topics: Ammonia; Animals; Hydrogen-Ion Concentration; Hydrolysis; Nitrogen; Perfusion; Permeability; Rumen; Sheep; Urea | 1977 |
Acetohydroxamic acid: clinical studies of a urease inhibitor in patients with staghorn renal calculi.
Topics: Ammonia; Humans; Hydrogen-Ion Concentration; Hydrolysis; Hydroxamic Acids; Kidney Calculi; Kinetics; Urea; Urease; Urinary Tract Infections | 1978 |
[Distribution of glutamine synthetase in animal tissues].
Topics: Ammonia; Animals; Birds; Fishes; Glutamate-Ammonia Ligase; Mammals; Mollusca; Urea; Uric Acid | 1977 |
The origin and fate of salivary urea and ammonia in man.
Topics: Ammonia; Humans; Hydrogen-Ion Concentration; Parotid Gland; Saliva; Time Factors; Urea | 1977 |
Clinical and metabolic consequences to cattle of rumen overdosing with di-ureido iso-butane (DUIB).
Topics: Ammonia; Animals; Biureas; Blood; Cattle; Duodenum; Hydrogen-Ion Concentration; Male; Osmolar Concentration; Rumen; Urea | 1978 |
Methylmalonyl-CoA mutase deficiency associated with severe neonatal hyperammonemia: activity of urea cycle enzymes.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Female; Fibroblasts; Humans; Infant, Newborn; Infant, Newborn, Diseases; Isomerases; Liver; Methylmalonyl-CoA Mutase; Urea | 1978 |
The inhibition of the formation of struvite crystals on latex catheters by silver ion.
Topics: Ammonia; Chlorides; Crystallization; Humans; Hydrogen-Ion Concentration; Magnesium; Oxides; Phosphates; Potassium; Rubber; Silver Nitrate; Sulfides; Urea; Urease; Urinary Catheterization | 1979 |
Ammonia and urea content of human incisor tooth plaque.
Topics: Ammonia; Dental Plaque; Humans; Hydrogen-Ion Concentration; Incisor; Time Factors; Urea | 1978 |
Effects of prolonged exposure to ammonia on the blood and liver glycogen of coho salmon (Oncorhynchus kisutch).
Topics: Ammonia; Animals; Blood Glucose; Glycogen; Liver; Salmon; Sodium; Time Factors; Urea | 1979 |
The role of the colon in the pathogenesis of hyperchloraemic acidosis in ureterosigmoid anastomosis.
Topics: Acidosis; Adult; Aged; Ammonia; Bicarbonates; Chlorides; Colon; Colon, Sigmoid; Feces; Humans; Hydrogen-Ion Concentration; Middle Aged; Urea; Ureter; Urinary Diversion | 1979 |
Quantitative estimation of ammonia absorption by goats fed high starch diets with urea supplement.
Topics: Ammonia; Animals; Fatty Acids, Volatile; Goats; Hydrogen-Ion Concentration; Rumen; Starch; Urea | 1979 |
Diminishing rumen butyrogenesis in bulls and sheep fed sugar beets.
Topics: Ammonia; Animal Feed; Animals; Butyrates; Cattle; Fatty Acids, Volatile; Hydrogen-Ion Concentration; Lactates; Male; Rumen; Sheep; Silage; Sucrose; Urea | 1979 |
Orotic acid and non-protein nitrogen overload in sheep.
Topics: Acetates; Ammonia; Animals; Eating; Female; Gastrointestinal Motility; Hydrogen-Ion Concentration; Nitrogen; Orotic Acid; Rumen; Sheep; Urea | 1979 |
Studies on the purification of wastewater from the nitrogen fertilizer industry by intensive algal cultures. I. Growth of Chlorella vulgaris in wastes.
Topics: Ammonia; Cell Division; Chlorella; Fertilizers; Hydrogen-Ion Concentration; Industrial Waste; Nitrates; Nitrogen; Phosphorus; Urea; Water Microbiology | 1976 |
Valuation of characteristics of water purity. I. Estimation of the usefulness of some microbiological and hydrobiological characteristics.
Topics: Ammonia; Bacteria; Eukaryota; Hydrogen Sulfide; Hydrolysis; Nitrites; Oxygen; Photosynthesis; Urea; Water Microbiology; Water Pollution | 1976 |
Growth and survival of Chlorella vulgaris in high concentrations of nitrogen.
Topics: Ammonia; Chlorella; Nitrates; Nitrogen; Urea | 1976 |
[Methods of analysis of protein-free nitrogen components].
Topics: Ammonia; Colorimetry; Humans; Phenols; Sodium Hypochlorite; Urea | 1976 |
Influence of aminooxyacetate administration on ammonia-induced metabolic disturbances in the rat liver.
Topics: Acetates; Alanine; Alanine Transaminase; Amino Acids, Dicarboxylic; Aminooxyacetic Acid; Ammonia; Ammonium Chloride; Animals; Aspartate Aminotransferases; Aspartic Acid; Female; Glutaminase; Glutamine; Liver; Rats; Urea | 1976 |
Nitrogen requirement.
Topics: Acid-Base Equilibrium; Adult; Ammonia; Creatinine; Dietary Proteins; Egg Proteins; Humans; Hydrogen-Ion Concentration; Male; Nitrogen; Nutritional Physiological Phenomena; Nutritional Requirements; Sodium; Urea | 1977 |
Studies on the purification of wastewater from the nitrogen fertillizer industry by intensive algal cultures. II. Removal of nitrogen from the wastewater.
Topics: Ammonia; Chlorella; Fertilizers; Industrial Waste; Nitrates; Nitrogen; Phosphorus; Urea; Water Pollutants; Water Pollutants, Chemical | 1976 |
Studies on the purification of wastes from the nitrogen fertilizer industry by intensive algal cultures. IV. growth of Chlorella vulgaris in wastes with high nitrogen content in continuous and intermittent light.
Topics: Ammonia; Chlorella; Fertilizers; Industrial Waste; Light; Nitrogen; Urea; Water Microbiology | 1977 |
[Salivary excretion of urea and ammonia in chronic nephritis].
Topics: Ammonia; Female; Humans; Kidney Failure, Chronic; Male; Saliva; Urea | 1977 |
[Determination of serum ammonia and urea in Far Eastern scarlatina-like fever as an auxiliary method of early diagnosis].
Topics: Ammonia; Humans; Methods; Time Factors; Urea; Yersinia Infections; Yersinia pseudotuberculosis Infections | 1979 |
Effect of high concentrations of nitrogen on mixed populations of nitrifying bacteria isolated from industrial nitrogenous wastewaters.
Topics: Ammonia; Culture Media; Nitrates; Nitrites; Nitrobacter; Nitrogen; Oxidation-Reduction; Urea; Waste Disposal, Fluid; Water Microbiology | 1979 |
[Passage of endogenous urea into a jejunum of sheep].
Topics: Ammonia; Animals; Cell Membrane Permeability; Intestinal Absorption; Jejunum; Nitrogen; Sheep; Time Factors; Urea | 1978 |
Arginine catabolism in Aphanocapsa 6308.
Topics: Adenosine Triphosphate; Aerobiosis; Ammonia; Arginase; Arginine; Carbon Dioxide; Citrulline; Cyanobacteria; Hydrolases; Ornithine; Urea; Urease | 1978 |
Effect of tri-iodothyronine replacement on the metabolic and pituitary responses to starvation.
Topics: Adult; Ammonia; Blood Glucose; Fasting; Humans; Iodides; Male; Starvation; Thyrotropin-Releasing Hormone; Thyroxine; Triiodothyronine; Urea | 1979 |
Comparison of 15N-labelled glycine, aspartate, valine and leucine for measurement of whole-body protein turnover.
Topics: Ammonia; Animals; Aspartic Acid; Glycine; Kidney; Leucine; Liver; Male; Nitrogen Radioisotopes; Proteins; Rats; Urea; Valine; Whole-Body Counting | 1979 |
The forestomach in rats and mice, a food store without bacterial protein digestion.
Topics: Amino Acids; Ammonia; Animals; Bacteria; Digestion; Digestive System; Digestive System Physiological Phenomena; Gastric Emptying; Glucose; Kinetics; Liver Glycogen; Male; Mice; Proteins; Rats; Time Factors; Urea | 1979 |
Amino acid requirements for microbial protein synthesis.
Topics: Abomasum; Amino Acids; Ammonia; Animals; Bacteria; Caseins; Ciliophora; Male; Protein Biosynthesis; Rumen; Sheep; Urea | 1979 |
Regulation of the purine catabolic enzymes in Neurospora crassa.
Topics: Acetates; Allantoin; Amidohydrolases; Ammonia; Hydrolases; Hypoxanthines; Mutation; Neurospora; Neurospora crassa; Nitrates; Purines; Urate Oxidase; Urea; Urease; Ureohydrolases; Uric Acid | 1975 |
Nitrogen metabolite repression of nitrate reductase in Neurospora crassa.
Topics: Amino Acids; Ammonia; Enzyme Induction; Enzyme Repression; Glutamine; Neurospora; Neurospora crassa; Nitrate Reductases; Nitrogen; Nucleosides; Urea | 1979 |
[Effect of protein deprivation on ammonia metabolism in the rat].
Topics: Ammonia; Animals; Blood Glucose; Body Weight; Colectomy; Diabetes Mellitus, Experimental; Dietary Carbohydrates; Glutamine; Male; Protein Deficiency; Rats; Urea | 1978 |
Inhibition of urea synthesis by 4-pentenoic acid.
Topics: Ammonia; Animals; Aspartic Acid; Citrulline; Fatty Acids, Monounsaturated; Fatty Acids, Unsaturated; Glutamates; Liver; Ornithine; Phosphotransferases; Rats; Transferases; Urea; Valerates | 1975 |
Treatment of carbamyl phosphate synthetase deficiency with keto analogues of essential amino acids.
Topics: Adolescent; Amino Acids; Amino Acids, Essential; Ammonia; Carbamates; Child; Child, Preschool; Circadian Rhythm; Female; Humans; Infant; Infant, Newborn; Injections, Intravenous; Isoleucine; Keto Acids; Leucine; Liver; Methionine; Nitrogen; Phenylalanine; Phosphotransferases; Urea; Valine | 1975 |
Synthesis of biological molecules on molecular sieves.
Topics: Aluminum; Amino Acids; Ammonia; Carbon Monoxide; Chemical Phenomena; Chemistry; Silicon Dioxide; Urea | 1975 |
Transiently reduced activity of carbamyl phosphate synthetase and ornithine transcarbamylase in liver of children with Reye's syndrome.
Topics: Age Factors; Ammonia; Brain Diseases; Carbamoyl-Phosphate Synthase (Ammonia); Child; Child, Preschool; Female; Humans; Infant; Kinetics; Liver; Male; Ornithine Carbamoyltransferase; Ornithine Carbamoyltransferase Deficiency Disease; Phosphotransferases; Reye Syndrome; Urea | 1976 |
Control of transformation competence in Azotobacter vinelandii by nitrogen catabolite derepression.
Topics: Ammonia; Azotobacter; Cyclic AMP; DNA, Bacterial; Glucose; Hydroxybutyrates; Molybdenum; Mutation; Nitrogen; Nitrogenase; Transformation, Genetic; Urea | 1976 |
Studies on carbamoylphosphate synthetase in livers of rats fed a protein free diet supplemented with methionine and threonine and injected with N-acetylglutamic acid.
Topics: Ammonia; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Female; Glutamates; Liver; Methionine; Nitrogen; Organ Size; Phosphotransferases; Protein Deficiency; Rats; Threonine; Urea | 1978 |
Effects of fasting and cortisol administration on carbohydrate metabolism in Xenopus laevis Daudin.
Topics: Adenine Nucleotides; Ammonia; Animals; Carbohydrate Metabolism; Female; Fructose-Bisphosphatase; Glucose-6-Phosphatase; Glycolysis; Hydrocortisone; Liver; Male; Starvation; Urea; Xenopus | 1978 |
[Microbiological investigations into soil in a fertilizer trial with spruce in the fume-damaged zone of the Erzgebirge (author's transl)].
Topics: Ammonia; Bacteria; Cellulose; Fertilizers; Fungi; Nitrates; Soil Microbiology; Trees; Urea | 1979 |
Ammonia, urea and uric acid levels in active and estivating snails, Bakerilymnaea cockerelli.
Topics: Adaptation, Physiological; Ammonia; Estivation; Seasons; Snails; Urea; Uric Acid | 1975 |
Organ culture of adult Amphiuma means kidney: effects of media and urea on ammonia production, glycogen content and cell proliferation.
Topics: Ammonia; Animals; Cell Division; Culture Media; Eels; Glycogen; Kidney; Mitosis; Organ Culture Techniques; Time Factors; Urea | 1975 |
Exchange transfusion to remove ammonia.
Topics: Adult; Age Factors; Ammonia; Brain Diseases; Child; Evaluation Studies as Topic; Exchange Transfusion, Whole Blood; Extracellular Space; Hematocrit; Hepatic Encephalopathy; Humans; Hydrogen-Ion Concentration; Infant; Intracellular Fluid; Peritoneal Dialysis; Reye Syndrome; Urea | 1975 |
Ammonia and urea transport by the excluded human colon.
Topics: Ammonia; Ammonium Chloride; Biological Transport; Colon; Humans; Hydrogen-Ion Concentration; Perfusion; Time Factors; Urea | 1975 |
A process requiring mitochondrial NADPH: urea formation from ammonia.
Topics: Ammonia; Animals; Female; Kinetics; Liver; Male; Mitochondria, Liver; NADP; Perfusion; Peroxides; Rats; Urea | 1975 |
On the mechanism of the plaque inhibition by chlorhexidine.
Topics: Absorption; Acetates; Ammonia; Autopsy; Barium; Biguanides; Cadmium; Calcium; Carboxylic Acids; Chlorhexidine; Chromatography, Gel; Dental Plaque; Humans; Hydrogen-Ion Concentration; Ion Exchange; Mercury; Phosphates; Proteins; Pyridines; Salivary Glands; Sulfates; Urea; Zinc | 1975 |
Brdicka currents observed with bovine serum albumin and completely reduced bovine serum albumin in the presence of urea.
Topics: Ammonia; Animals; Buffers; Calcium Chloride; Catalysis; Cattle; Cobalt; Hydrogen-Ion Concentration; Macromolecular Substances; Oxidation-Reduction; Polarography; Protein Denaturation; Serum Albumin, Bovine; Urea | 1975 |
A field water balance study of gray squirrels (Sciurus carolinensis) and red squirrels (Tamiasciurus hudsonicus).
Topics: Adaptation, Physiological; Ammonia; Animals; Body Water; Kidney; Osmolar Concentration; Potassium; Sciuridae; Seasons; Sodium; Species Specificity; Time Factors; Urea; Urine; Water Deprivation | 1975 |
Oxycellulose and ammonia-treated oxystarch as insoluble polyaldehydes in uremia.
Topics: Aldehydes; Ammonia; Animals; Cellulose; Cellulose, Oxidized; Female; Formaldehyde; Humans; Hydrogen-Ion Concentration; Male; Mice; Oxidation-Reduction; Quaternary Ammonium Compounds; Rats; Solubility; Starch; Urea; Uremia; Water | 1975 |
Aspects of nitrogen metabolism in the terebellid polychaete Pista pacifica Berkeley.
Topics: Ammonia; Animals; Arginase; Digestive System; Nitrogen; Ornithine Carbamoyltransferase; Ornithine-Oxo-Acid Transaminase; Polychaeta; Urea; Urease | 1975 |
Nitrogen excretion in Lymnaea stagnalis: an effect of ingested carbohydrate.
Topics: Ammonia; Dietary Carbohydrates; Lymnaea; Nitrogen; Starch; Urea | 1975 |
Elimination of nitrogenous compounds by Panagrellus redivivus, Goodey, 1945 (Nematoda: Cephalobidae).
Topics: Amino Acids; Ammonia; Animals; Hydrogen-Ion Concentration; Hypoxanthines; Nematoda; Nitrogen; Proteins; Species Specificity; Urea; Uric Acid; Xanthines | 1975 |
A compound artificial kidney without dialysis: an analysis of remaining problems.
Topics: Ammonia; Body Water; Creatinine; Electrolytes; Humans; Kidneys, Artificial; Male; Renal Dialysis; Urea; Uric Acid | 1978 |
The ammonia and urea excretion of Biomphalaria glabrata under different physiological conditions: starvation, infection with Schistosoma mansoni, dry keeping.
Topics: Ammonia; Animals; Biomphalaria; Schistosoma mansoni; Starvation; Urea | 1978 |
Quantitative tests of nitrogen metabolism in cirrhosis: relation to other manifestations of liver disease.
Topics: Adult; Amino Acids; Ammonia; Ammonium Chloride; Aspartate Aminotransferases; Bilirubin; Cholesterol; Creatinine; Esophageal and Gastric Varices; Female; Gastrointestinal Hemorrhage; Hematocrit; Hepatic Encephalopathy; Humans; Hypertension, Portal; L-Lactate Dehydrogenase; Liver Cirrhosis; Male; Middle Aged; Nitrogen; Proteins; Prothrombin Time; Serum Albumin; Urea | 1978 |
L-Asparaginase activity in the fungus Aspergillus nidulans.
Topics: Ammonia; Asparaginase; Asparagine; Aspergillus nidulans; Kinetics; Mutation; Species Specificity; Urea | 1977 |
[Experience gained with ozone/activated-charcoal treatment of swimming-pools filled with sea water (author's transl)].
Topics: Ammonia; Anti-Bacterial Agents; Bromine; Charcoal; Chlorine; Escherichia coli; Filtration; Methods; Nitrites; Ozone; Seawater; Swimming Pools; Urea; Water Microbiology; Water Pollution | 1977 |
Unusual Enterobacteriaceae. "Proteus rettgeri" that "change" into Providencia stuartii.
Topics: Aged; Ammonia; Bacteriological Techniques; Carbohydrate Metabolism; Humans; Lactose Factors; Male; Plasmids; Proteus; Providencia; Sepsis; Urea; Urease | 1977 |
Urea and ammonia excretion into gastric juice in regularly dialyzed patients and patients after renal transplantation. I. Dialyzed patients.
Topics: Ammonia; Gastric Juice; Humans; Kidney Transplantation; Renal Dialysis; Secretory Rate; Urea | 1978 |
[The behavior of serum ammonia and urea under conditions of experimental liver transplantation in swine].
Topics: Ammonia; Animals; Female; Intraoperative Period; Liver Transplantation; Male; Postoperative Period; Swine; Transplantation, Homologous; Urea | 1979 |
[Effect of arginine ketoglutarate on the detoxifying capacity of the liver in cirrhosis of the liver (author's transl)].
Topics: Adult; Aged; Ammonia; Arginine; Biotransformation; Blood Urea Nitrogen; Circadian Rhythm; Dietary Proteins; Female; Humans; Hypertension, Portal; Insulin; Insulin Secretion; Liver; Liver Cirrhosis; Male; Middle Aged; Phenols; Urea | 1977 |
The origin of nitrogen incorporated into compounds in the rumen bacteria of steers given protein- and urea-containing diets.
Topics: Amino Acids; Ammonia; Animals; Bacteria; Bacterial Proteins; Cattle; Diet; Dietary Proteins; Hexosamines; Male; Nitrogen; Rumen; Urea | 1979 |
The interrelationship between ureogenesis and protein synthesis in isolated rat-liver cells.
Topics: Amino Acids; Aminooxyacetic Acid; Ammonia; Animals; Arginine; Citrulline; Cycloheximide; Glucose; Leucine; Liver; Male; Protein Biosynthesis; Rats; Urea; Valine | 1979 |
Kinetics of intravenously administered 15N-L-alanine in the evaluation of protein turnover.
Topics: Adult; Alanine; Ammonia; Erythrocytes; Humans; Injections, Intravenous; Kinetics; Male; Nitrogen; Proteins; Urea | 1979 |
Effects of glucose dehydrogenase in converting urea and ammonia into amino acid using artificial cells.
Topics: Ammonia; Capsules; Carbohydrate Dehydrogenases; Charcoal; Enzymes, Immobilized; Glucose Dehydrogenases; Glutamate Dehydrogenase; Glutamates; Hemoglobins; Membranes, Artificial; Urea | 1979 |
Urinary nitrogen excretion as related to dietary protein in pregnant women.
Topics: Ammonia; Creatinine; Dietary Proteins; Female; Humans; Nitrogen; Pregnancy; Pregnancy Trimester, Third; Urea | 1979 |
Ammonia metabolism in the rat liver in biliary obstruction.
Topics: Adenosine Triphosphate; Ammonia; Animals; Arginine; Cholestasis; In Vitro Techniques; Liver; Male; Ornithine; Rats; Urea | 1979 |
Effects of biguanides on the intermediate metabolism of glucose in normal and portal-strictured rats.
Topics: Alanine; Ammonia; Animals; Blood Glucose; Constriction; Glutamine; Lactates; Liver Circulation; Male; Metformin; Phenformin; Portal Vein; Pyruvates; Rats; Urea | 1979 |
The importance of the small intestine in gut ammonium production in the fasting dog.
Topics: Amino Acids; Ammonia; Animals; Bacteria; Colon; Dogs; Glutamine; Ileum; Intestine, Small; Jejunum; Male; Mesenteric Veins; Urea | 1979 |
The effect of dietary o,p'-DDT on ureagenesis from ammonia by isolated rat hepatocytes.
Topics: Ammonia; Animals; Citrulline; DDT; In Vitro Techniques; Lactates; Liver; Male; Mitochondria, Liver; Ornithine; Rats; Urea | 1979 |
Urea and ammonium removal based on alkalinization and removal of free ammonia.
Topics: Adsorption; Alkalies; Ammonia; Chemical Phenomena; Chemistry; Dialysis; Humans; Membranes, Artificial; Oxygenators; Quaternary Ammonium Compounds; Urea; Urease | 1979 |
Effect of intraruminal urea administration on glucose metabolism in dairy steers.
Topics: Ammonia; Animals; Blood Glucose; Blood Urea Nitrogen; Dogs; Glucose; Male; Rumen; Urea | 1979 |
Hyperammonemia following ureterocolostomy in the rat.
Topics: Ammonia; Animals; Body Weight; Chlorine; Colon; Creatinine; Hematocrit; Male; Models, Biological; Nephrectomy; Portal System; Rats; Serum Albumin; Sodium; Urea; Ureter; Urinary Diversion | 1979 |
Double deficiencies of urea cycle enzymes in human liver.
Topics: Ammonia; Animals; Argininosuccinate Synthase; Argininosuccinic Aciduria; Carbamoyl-Phosphate Synthase (Ammonia); Humans; Hyperargininemia; Infant, Newborn; Liver; Male; Metabolism, Inborn Errors; Ornithine Carbamoyltransferase Deficiency Disease; Rats; Urea | 1979 |
Fermentation and nitrogen dynamics in Merino sheep given a low-quality-roughage diet.
Topics: Ammonia; Animals; Bicarbonates; Diet; Fatty Acids, Volatile; Female; Fermentation; Kinetics; Models, Biological; Nitrogen; Rumen; Sheep; Urea; Water | 1979 |
Determination of ammonia and urea in urine and of urea in blood by use of an ammonia-selective electrode.
Topics: Ammonia; Electrodes; Humans; Methods; Reference Values; Urea; Urease | 1979 |
Biochemical studies on liver functions in primary cultured hepatocytes of adult rats. II. Regulation of protein and amino acid metabolism.
Topics: Amino Acids; Ammonia; Animals; Cells, Cultured; Glucagon; Insulin; Kinetics; Liver; Nitrogen; Proteins; Rats; Urea | 1979 |
Effects of branched chain alpha-ketoacids on the metabolism of isolated rat liver cells. II. Interactions with gluconeogenesis and urea synthesis.
Topics: Alanine; Ammonia; Animals; Gluconeogenesis; Humans; In Vitro Techniques; Keto Acids; Ketone Bodies; Kinetics; Lactates; Liver; Oleic Acids; Ornithine; Rats; Structure-Activity Relationship; Urea | 1979 |
The effect of chronic uremia on portal and systemic ammonemia in normal and portal-strictured rats.
Topics: Ammonia; Animals; Body Weight; Chronic Disease; Constriction; Creatinine; Liver; Male; Nephrectomy; Portal Vein; Rats; Urea; Uremia | 1979 |
[Metabolism of ammonia and urea synthesis].
Topics: Ammonia; Arginase; Argininosuccinate Lyase; Argininosuccinate Synthase; Brain; Carbamoyl-Phosphate Synthase (Ammonia); Carbonic Acid; Citric Acid Cycle; Digestive System; Glutamine; Humans; Kidney; Muscles; Ornithine Carbamoyltransferase; Urea | 1979 |
[Simultaneous determination of urea and ammonia in biological fluids].
Topics: Ammonia; Animals; Cattle; Methods; Urea | 1979 |
[Ammonia formation from the amino acids in the kidney tissue of rats with an experimental nephrolithiasis syndrome].
Topics: Amino Acids; Ammonia; Animals; Ethylene Glycols; Kidney; Kidney Calculi; Male; Rats; Syndrome; Time Factors; Urea | 1979 |
[Utilization of 15N-labelled urea by laying hens. 1. Survey of the literature, 15N-excretion in feces and urine].
Topics: Ammonia; Animals; Chickens; Feces; Female; Nitrogen; Nitrogen Isotopes; Urea | 1979 |
Intraruminal injection of urea and changes in secretion of parotid saliva in sheep.
Topics: Ammonia; Animals; Dose-Response Relationship, Drug; Female; Gastrointestinal Motility; Injections; Parotid Gland; Rumen; Saliva; Sheep; Urea | 1979 |
The mechanism of passage of endogenous urea through the rumen wall and the role of ureolytic epithelial bacteria in the urea flux.
Topics: Ammonia; Animals; Bacteria; Gastric Juice; Germ-Free Life; Intubation, Gastrointestinal; Rumen; Sheep; Stomach, Ruminant; Urea; Urease | 1979 |
Hepatic glutamine metabolism under the influence of the portal ammonia concentration in the perfused rat liver.
Topics: Ammonia; Animals; Glutamine; Kinetics; Liver; Male; Perfusion; Rats; Urea | 1979 |
Urea cycle operation in the arginine deficient rat.
Topics: Ammonia; Animals; Arginase; Arginine; Argininosuccinate Lyase; Argininosuccinate Synthase; Carbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing); Citrulline; Liver; Male; Ornithine; Ornithine Carbamoyltransferase; Orotic Acid; Rats; Urea | 1979 |
[Clinico-diagnostic and prognostic value of various indicators of nitrogen metabolism in hepatic coma].
Topics: Adolescent; Adult; Aged; Ammonia; Female; Glutamine; Hepatic Encephalopathy; Humans; Middle Aged; Prognosis; Urea | 1979 |
Cooked cassava in urea rations for waterbuffaloes.
Topics: Ammonia; Animal Feed; Animals; Buffaloes; Fatty Acids, Volatile; Fermentation; Hot Temperature; In Vitro Techniques; Manihot; Rumen; Time Factors; Urea | 1979 |
A new method of urea removal using urease and expanded polytetrafluoroethylene membrane.
Topics: Ammonia; Animals; Dogs; Enzymes, Immobilized; Hydrochloric Acid; In Vitro Techniques; Membranes, Artificial; Polytetrafluoroethylene; Renal Dialysis; Solutions; Urea; Urease | 1979 |
Nitrogen (15N) utilization and microbial protein synthesis in the rumen of urea fed cattle.
Topics: Administration, Oral; Ammonia; Animals; Cattle; Eukaryota; Male; Nitrogen; Protein Biosynthesis; Rumen; Urea | 1979 |
Effect of ammonia concentration on the composition, hydrolytic activity and nitrogen metabolism of the microbial flora of the rumen.
Topics: Amino Acids; Ammonia; Anaerobiosis; Animal Feed; Animals; Bacteria; Biodegradation, Environmental; Carbohydrate Dehydrogenases; Glutamate Dehydrogenase; Hydrolysis; Nitrogen; Rumen; Sheep; Urea | 1979 |
[Ammonia metabolism and urea synthesis].
Topics: Ammonia; Humans; Urea | 1979 |
[The effects of non-protein-nitrogen additives on lipid and carbohydrate metabolisms in sheep (author's transl)].
Topics: Ammonia; Ammonium Chloride; Animal Nutritional Physiological Phenomena; Animals; Catecholamines; Diet; Fatty Acids, Nonesterified; Female; Lipids; Male; Nitrogen; Sheep; Urea | 1979 |
Diet and caecal motility in sheep.
Topics: Ammonia; Animal Feed; Animals; Cecum; Diet; Female; Gastrointestinal Motility; Sheep; Urea | 1979 |
Protein load in argininosuccinic aciduria: thoughts on its biochemical implications.
Topics: Adult; Amino Acid Metabolism, Inborn Errors; Amino Acids; Ammonia; Arginine; Argininosuccinic Acid; Argininosuccinic Aciduria; Dietary Proteins; Female; Humans; Milk Proteins; Orotic Acid; Urea | 1978 |
[Effect of thyroxine and insulin on nitrogen metabolism in the gastrointestinal system and mammary glands of lactating cows].
Topics: Ammonia; Animal Feed; Animals; Blood Proteins; Cattle; Digestive System; Female; Insulin; Lactation; Mammary Glands, Animal; Milk; Nitrogen; Pregnancy; Thyroxine; Urea | 1977 |
Urease activity in the digestive tract of the chick and its role in the utilisation of urea as a source of non-amino nitrogen.
Topics: Amino Acids, Essential; Ammonia; Animal Feed; Animals; Chickens; Crop, Avian; Dietary Proteins; Digestive System; Fish Products; Glycine max; Liver; Male; Urea; Urease | 1977 |
[Studies on the effect of nutritional factors on the ruminal mucosa. 4. The effect of plant proteins and urea on mucosal structure and function].
Topics: Ammonia; Animal Nutritional Physiological Phenomena; Animals; Cattle; Dietary Proteins; Fatty Acids, Volatile; Female; Glycine max; Intestinal Mucosa; Plant Proteins; Rumen; Urea | 1977 |
The course of ammonia concentration in the rumen fluid of lactating dairy cows after the intake of corn silage with or without added urea or 1.1.-diureido isobutane.
Topics: Ammonia; Animals; Butanes; Cattle; Diet; Female; Lactation; Pregnancy; Rumen; Urea | 1977 |
[The human utilization of orally administered 15N-glycine].
Topics: Administration, Oral; Adult; Aged; Ammonia; Female; Glycine; Humans; Male; Middle Aged; Nitrogen; Stress, Physiological; Urea | 1979 |
Ammonia overloading in hepatocytes isolated from liver of fetal and adult rats.
Topics: Alanine; Aminooxyacetic Acid; Ammonia; Animals; Aspartic Acid; Female; Fructose; Glucose; Glutamates; Lactates; Liver; Pregnancy; Rats; Urea | 1979 |
Effect of hydrocortisone on ammonia intoxication in the adrenalectomized rat.
Topics: Adrenalectomy; Aldosterone; Ammonia; Animals; Arginine; Drug Interactions; Glutamates; Humans; Hydrocortisone; Liver; Rats; Urea | 1977 |
Supplementation of apple pomace with nonprotein nitrogen for gestating beef cows. III. Metabolic parameters.
Topics: Amino Acids; Ammonia; Animal Feed; Animals; Cattle; Cottonseed Oil; Fatty Acids, Volatile; Female; Fruit; Nitrogen; Pregnancy; Pregnancy, Animal; Rumen; Urea; Zea mays | 1977 |
Rates of rumen fermentation in relation to ammonia concentration.
Topics: Ammonia; Animals; Fermentation; Hordeum; Rumen; Sheep; Urea | 1977 |
[Neurodermatitis and the stratum corneum].
Topics: Amino Acids; Ammonia; Humans; Lactates; Neurodermatitis; Skin; Urea; Urocanic Acid | 1977 |
[Saliva ammonia and urea in the sheep. Effects of alimentary nitrogen additives (author's transl)].
Topics: Ammonia; Animals; Female; Male; Nitrogen; Saliva; Sheep; Urea | 1977 |
Urinary ammonia and ammonia-producing microorganisms in infants with and without diaper dermatitis.
Topics: Ammonia; Bacteria; Brevibacterium; Child, Preschool; Diaper Rash; Erythema; Humans; Infant; Skin; Urea | 1977 |
[Hyperammonemia and hepatic encephalopathy in cirrhotics receiving spironolactone (author's transl)].
Topics: Adult; Aged; Ammonia; Hepatic Encephalopathy; Humans; Intestinal Mucosa; Liver Cirrhosis; Male; Middle Aged; Spironolactone; Stimulation, Chemical; Urea; Uremia | 1977 |
Electrocardiographic observation on goats with urea-ammonia poisoning and a consideration on the main cause of death.
Topics: Ammonia; Animals; Blood Pressure; Electrocardiography; Female; Goats; Respiration; Respiration, Artificial; Seizures; Urea | 1977 |
[Glutaminases in ammoniotelic, uricotelic and ureotelic organisms].
Topics: Ammonia; Animals; Brain; Digestive System; Glutaminase; Invertebrates; Kidney; Liver; Urea; Uric Acid; Vertebrates | 1977 |
Ammonia toxicity in cattle. IV. Effects of unprocessed or extrusion-cooked mixtures of grain and urea, biuret, or dicyanodiamide and liquid supplements on rumen and blood changes associated with toxicity.
Topics: Ammonia; Animal Feed; Animals; Biuret; Calcium; Cattle; Cattle Diseases; Edible Grain; Guanidines; Magnesium; Nitriles; Potassium; Rumen; Urea | 1977 |
Protein degradation in isolated rat hepatocytes.
Topics: Amino Acids; Ammonia; Ammonium Chloride; Animals; Biological Transport; Cycloheximide; Hypoxia; In Vitro Techniques; Kinetics; Liver; Lysosomes; Male; Proteins; Rats; Urea; Valine | 1977 |
Arginine requirements in immature dogs.
Topics: Amino Acids; Ammonia; Animals; Arginine; Citrates; Dogs; Hyperglycemia; Nutritional Requirements; Orotic Acid; Sialorrhea; Tremor; Urea | 1978 |
Aspects of the physiology of terrestrial life in amphibious fishes. III. The Chinese mudskipper Periophthalmus cantonensis.
Topics: Adaptation, Physiological; Ammonia; Animals; Body Temperature Regulation; Fishes; Oxygen Consumption; Urea; Water | 1978 |
Interrelationships between gluconeogenesis and ureogenesis in isolated hepatocytes.
Topics: Ammonia; Animals; Aspartate Aminotransferases; Cycloserine; Gluconeogenesis; In Vitro Techniques; Kinetics; Liver; Male; Mitochondria, Liver; Ornithine; Pyruvates; Rats; Urea | 1978 |
Amino acid induced orotic aciduria.
Topics: Amino Acids; Ammonia; Animal Nutritional Physiological Phenomena; Animals; Arginine; Fasting; Male; Ornithine; Orotic Acid; Quaternary Ammonium Compounds; Rats; Urea; Urease | 1978 |
Effect of dietary proteins and amino acids on liver damage induced by hypoxia.
Topics: Amino Acids; Ammonia; Animals; Caseins; Dietary Proteins; Hypoxia; Liver; Liver Diseases; Male; Necrosis; Oxygen Consumption; Propylthiouracil; Rats; Time Factors; Urea | 1978 |
Transfer of urea from the blood to the rumen of sheep.
Topics: Ammonia; Animals; Diet; Male; Rumen; Sheep; Sulfur; Urea | 1978 |
Orotic aciduria in the female rat and its relation to dietary arginine.
Topics: Aging; Ammonia; Animals; Arginine; Birth Weight; Body Weight; Citrates; Female; Litter Size; Orotic Acid; Pregnancy; Pregnancy Complications; Rats; Species Specificity; Urea | 1978 |
Differential activity pattern of succinate & glutamate dehydrogenases in liver & kidney of frog & rat in relation to nitrogenous end products.
Topics: Ammonia; Animals; Anura; Glutamate Dehydrogenase; Kidney; Liver; Ranidae; Rats; Succinate Dehydrogenase; Urea | 1978 |
Nitrogen metabolism in the gut.
Topics: Ammonia; Animals; Anti-Bacterial Agents; Bacteria; Bicarbonates; Colon; Creatinine; Feces; Humans; Hydrolysis; Intestinal Absorption; Intestinal Mucosa; Intestines; Models, Biological; Nitrogen; Urea; Uremia; Uric Acid | 1978 |
Changes in tissue protein levels as a result of endurance exercise.
Topics: Ammonia; Animals; Body Weight; Male; Muscle Proteins; Muscles; Myofibrils; Organ Size; Physical Exertion; Proteins; Rats; Urea | 1978 |
Artificial cells microencapsulated multienzyme system for converting urea and ammonia to amino acid using alpha-ketoglutarate and glucose as substrate.
Topics: Amino Acids; Ammonia; Glucose; Glutamates; Ketoglutaric Acids; Membranes, Artificial; Urea | 1978 |
Ureotelism and ammonotelism in trypanosomatids.
Topics: Ammonia; Animals; Arginine; Citrulline; Crithidia; Culture Media; Eukaryota; Leishmania; Species Specificity; Trypanosoma; Urea | 1978 |
Factors affecting amino acid induced orotic aciduria in rats.
Topics: Ammonia; Animals; Dietary Proteins; Digestion; Glycine; Male; Nitrogen; Orotic Acid; Rats; Starvation; Urea | 1978 |
Low-molecular nitrogenous substances in the cerebrospinal fluid in focal ischemia and brain tumors.
Topics: Ammonia; Brain Ischemia; Brain Neoplasms; Humans; Molecular Weight; Nitrogen; Urea; Uric Acid | 1978 |
Protein and polynucleotide metabolism in skeletal muscles in dogs with experimental myocardial infarction.
Topics: Actomyosin; Adenosine Monophosphate; Alanine Transaminase; Amino Acids; Aminohydrolases; Ammonia; Animals; Aspartate Aminotransferases; Deoxyribonucleases; DNA; Dogs; Glutaminase; Hindlimb; Muscle Proteins; Muscles; Myocardial Infarction; Nucleotidases; Nucleotides; Ribonucleases; RNA; Urea | 1978 |
Haematological consequences of feeding trout with a single cell protein (Hansenula anomala) [proceedings].
Topics: Ammonia; Animals; Blood Chemical Analysis; Blood Proteins; Dietary Proteins; Fishes; Fungal Proteins; Pichia; Urea | 1978 |
Regulation of urea synthesis in rat liver. Increase in the concentrations of ornithine and acetylglutamate in rat liver in response to urea synthesis stimulated by the injection of an ammonium salt.
Topics: Ammonia; Animals; Citrulline; Glutamates; Kinetics; Liver; Male; Ornithine; Quaternary Ammonium Compounds; Rats; Urea | 1978 |
Sources of ammonia for mammalian urea synthesis.
Topics: Adenine Nucleotides; Alanine; Ammonia; Animals; Carbamyl Phosphate; In Vitro Techniques; Leucine; Liver; Rats; Urea | 1978 |
Effects of acute acid--base alterations on glutamine metabolism and renal ammoniagenesis in the dog.
Topics: Acid-Base Imbalance; Acidosis; Acute Disease; Ammonia; Animals; Dogs; Female; Glutamine; Kidney; Male; Regional Blood Flow; Urea | 1978 |
[Effect of the quantity and quality of protein on serum levels of urea and ammonia, and on the ratio of essential to nonessential amino acids].
Topics: Age Factors; Amino Acids; Amino Acids, Essential; Ammonia; Animals; Caseins; Dietary Proteins; Lysine; Methionine; Rats; Urea | 1978 |
Reversal of ammonia coma in rats by L-dopa: a peripheral effect.
Topics: Ammonia; Ammonium Chloride; Animals; Brain; Coma; Dopamine; Levodopa; Male; Nephrectomy; Norepinephrine; Rats; Urea | 1979 |
The effects L-leucine on the synthesis of urea, glutamate and glutamine by isolated rat liver cells.
Topics: Alanine; Ammonia; Animals; Carbamyl Phosphate; Cell Separation; Female; Glutamate Dehydrogenase; Glutamates; Glutamine; Haplorhini; Leucine; Liver; Male; Mitochondria; Urea | 1975 |
Urease activity in the rumen of sheep and the isolation of ureolytic bacteria.
Topics: Acetates; Aerobiosis; Ammonia; Animals; Carbohydrates; Culture Media; Diet; Glucose; Hydroxamic Acids; Ions; Klebsiella pneumoniae; Lacticaseibacillus casei; Mannitol; Rumen; Sheep; Staphylococcus; Streptococcus; Urea; Urease | 1976 |
[Experimental study on changes in serum amino acid levels following choledochus ligature and subsequent biliary reconstruction (author's transl)].
Topics: Amino Acids; Amino Acids, Essential; Ammonia; Animals; Biliary Tract Surgical Procedures; Blood Proteins; Cholestasis; Common Bile Duct; Dogs; Ligation; Time Factors; Urea | 1976 |
Regulation of urea biosynthesis in the slug, Limax flavus Linné.
Topics: Ammonia; Animals; Bicarbonates; Fasting; Kinetics; Mollusca; Urea | 1977 |
Protein degradation and amino acid metabolism in autolyzing rabbit myocardium.
Topics: Alanine; Amino Acids; Ammonia; Animals; Autolysis; Ethanolamines; Glutamates; In Vitro Techniques; Lactates; Muscle Proteins; Myocardium; Phenylalanine; Rabbits; Taurine; Tyrosine; Urea | 1977 |
Influence of physiologic hyperglucagonemia on urinary glucose, nitrogen, and electrolyte excretion in diabetes.
Topics: Adult; Ammonia; Blood Glucose; Calcium; Chlorides; Diabetes Mellitus; Electrolytes; Female; Glucagon; Glycosuria; Humans; Kinetics; Male; Middle Aged; Nitrogen; Phosphates; Potassium; Urea | 1977 |
Tissue enrichments and protein turnover measured with 15N-glycine.
Topics: Amino Acids; Ammonia; Animals; Blood Urea Nitrogen; Brain; Glycine; Kidney; Liver; Male; Muscles; Nitrogen Isotopes; Proteins; Rats; Urea | 1977 |
Protein-catabolic stage of isolated rat hepatocytes.
Topics: Amino Acids; Ammonia; Animals; Culture Media; Cycloheximide; Liver; Male; Nitrogen; Proteins; Rats; Urea | 1977 |
Influence of ischaemic time on the production of bile by perfused rat liver.
Topics: Ammonia; Animals; Bile; Ischemia; Liver; Perfusion; Potassium; Rats; Time Factors; Urea | 1977 |
Ureotelism in the slug, Limax flavus Linné.
Topics: Ammonia; Animals; Mollusca; Purines; Solubility; Urea; Uric Acid | 1977 |
Effects of oral neomycin and kanamycin in chronic uremic patients: I. Urea metabolism.
Topics: Administration, Oral; Ammonia; Female; Humans; Kanamycin; Kidney; Kidney Failure, Chronic; Male; Neomycin; Urea; Uremia | 1977 |
Formation of amino acids from elemental carbon by contact glow discharge electrolysis.
Topics: Amino Acids; Ammonia; Carbon; Electrolysis; Urea; Water | 1977 |
[Amino acid metabolism in healthy subjects after glucagon administration (author's transl)].
Topics: Adult; Amino Acids; Ammonia; Glucagon; Humans; Male; Urea | 1977 |
The effect of growth and urea concentration on ammonia production by a urea-hydrolysing mycoplasma (Ureaplasma urealyticum).
Topics: Ammonia; Temperature; Urea; Ureaplasma | 1977 |
Urease coupled ammonia electrode for urea determination in blood serum.
Topics: Ammonia; Electrodes; Enzymes, Immobilized; Membranes, Artificial; Urea; Urease | 1977 |
Metabolism in the hypothermically perfused dog kidney. Utilization and production of amino acids.
Topics: Alanine; Amino Acids; Ammonia; Animals; Dogs; Fatty Acids; Gluconeogenesis; Glucose; Glutamates; Glutamine; Glycine; Hypothermia, Induced; Kidney; Lactates; Nitrogen; Organ Preservation; Perfusion; Proline; Urea | 1977 |
[Lymph drainage in acute pancreatitis as a new method for elimination of endogenous intoxication].
Topics: Acute Disease; Ammonia; Amylases; Cholecystitis; Drainage; Humans; Lymph; Pancreatitis; Thoracic Duct; Urea | 1977 |
[Role of cerebral nitrogen metabolism in the mechanisms of the therapeutic action of oxygen under elevated pressure in hemorrhagic shock].
Topics: Alanine; Ammonia; Animals; Brain; Cats; gamma-Aminobutyric Acid; Glutamates; Glutamine; Hyperbaric Oxygenation; Limbic System; Motor Cortex; Nitrogen; Shock, Hemorrhagic; Somatosensory Cortex; Urea | 1977 |
Effect of supplementation of methionine and threonine to a protein free diet on urinary excretion of nitrogen and tissue free amino acids in rats.
Topics: Amino Acids; Ammonia; Animals; Drug Synergism; Female; Food, Fortified; Intestinal Mucosa; Liver; Male; Methionine; Muscles; Nitrogen; Ornithine; Protein Deficiency; Rats; Threonine; Urea | 1977 |
[Hepatic lymph in sheep and bull calves].
Topics: Ammonia; Animals; Bile; Cattle; Fatty Acids; Feeding Behavior; Glucose; Glutamine; Ketone Bodies; Lipids; Liver; Lymph; Lymphatic System; Sheep; Urea | 1977 |
Rumen bacterial urease requirement for nickel.
Topics: Ammonia; Animals; Bacteria; Caseins; Fatty Acids, Volatile; Male; Nickel; Rumen; Sheep; Urea; Urease | 1977 |
[Disorders of nitrogen metabolism in circulatory insufficiency].
Topics: Adult; Aged; Ammonia; Blood Circulation; Blood Proteins; Coronary Disease; Creatinine; Humans; Middle Aged; Nitrogen; Pulmonary Heart Disease; Rheumatic Heart Disease; Urea; Uric Acid | 1977 |
[Blood perfusion of the liver under physiological and pathological conditions - mechanisms and clinical importance (author's transl)].
Topics: Ammonia; Hepatic Artery; Hepatic Encephalopathy; Humans; Liver Circulation; Liver Cirrhosis; Microcirculation; Urea; Vasopressins | 1977 |
The effect of glucagon on ureagenesis from ammonia by isolated rat hepatocytes.
Topics: Ammonia; Animals; Citrulline; Glucagon; In Vitro Techniques; Kinetics; Liver; Male; Mitochondria, Liver; Ornithine; Rats; Urea | 1977 |
Ammonia toxicity in cattle. III. Absorption of ammonia gas from the rumen and passage of urea and ammonia from the rumen to the duodenum.
Topics: Ammonia; Animals; Cattle; Duodenum; Gastric Juice; Rumen; Urea | 1977 |
Potential hazard of therapy for Reye's syndrome with urea cycle intermediates.
Topics: Ammonia; Humans; Ornithine; Orotic Acid; Reye Syndrome; Urea | 1977 |
Incorporation of urea nitrogen into microbial-N in the stomach of the young steer: experiments with N.
Topics: Ammonia; Animal Feed; Animals; Bacteria; Cattle; Male; Nitrogen; Rumen; Stomach, Ruminant; Urea | 1977 |
Some features of secretory systems in plants.
Topics: Ammonia; Asparagine; Calcium; Cell Wall; Colchicine; Cytochalasin B; Cytoplasm; Glutamine; Golgi Apparatus; Phenylalanine; Plant Cells; Plant Proteins; Plants; Urea; Uric Acid | 1977 |
Liquid membrane capsules for chronic uremia.
Topics: Absorption; Ammonia; Animals; Blood Urea Nitrogen; Chronic Disease; Dogs; Emulsions; Intestine, Small; Methylguanidine; Urea; Urease; Uremia | 1977 |
Biological reactors for renal support.
Topics: Ammonia; Bacteria; Humans; Kidney Failure, Chronic; Male; Urea; Uric Acid; Urine | 1977 |
[Therapy of hepatic insufficiency].
Topics: Alcoholism; Ammonia; Dietary Proteins; Exchange Transfusion, Whole Blood; Hepatic Encephalopathy; Humans; Hypertension, Portal; Intensive Care Units; Liver Cirrhosis; Liver Diseases; Neomycin; Renal Dialysis; Urea; Water-Electrolyte Balance | 1977 |
Urea-ammonia poisoning and the electroencephalogram in goats.
Topics: Ammonia; Animals; Electroencephalography; Female; Goats; Injections, Intravenous; Jugular Veins; Urea | 1977 |
Urea-ammonia poisoning and ruminal motility in goats.
Topics: Ammonia; Animals; Female; Gastrointestinal Motility; Goats; Rumen; Urea | 1977 |
Convulsion in urea-ammonia poisoning in goats and rabbits.
Topics: Ammonia; Animals; Female; Goats; Rabbits; Seizures; Urea | 1977 |
Effect of dietary protein and physical exercise on patients with arginino-succinic aciduria.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Arginine; Argininosuccinic Acid; Child; Dietary Proteins; Female; Humans; Nutritional Requirements; Physical Exertion; Urea | 1977 |
The mechanism of postshunt liver failure.
Topics: Ammonia; Animals; Body Weight; DNA; Dogs; Enzyme Induction; Insulin; Liver; Liver Diseases; Metabolism, Inborn Errors; Models, Biological; Ornithine Carbamoyltransferase Deficiency Disease; Perfusion; Portacaval Shunt, Surgical; Portal Vein; Postoperative Complications; Proteins; Renal Veins; RNA; Splenic Vein; Urea | 1977 |
[Insufficiency of the urea-synthesizing function of the liver and its correction in mechanical jaundice].
Topics: Ammonia; Animals; Cholestasis; Decanoates; Dogs; Female; Humans; Liver; Male; Nandrolone; Preoperative Care; Rats; Time Factors; Urea | 1977 |
Formation of amino acid from urea and ammonia by sequential enzyme reaction using a microencapsulated multi-enzyme system.
Topics: Ammonia; Glucosephosphate Dehydrogenase; Glutamate Dehydrogenase; Glutamates; Kinetics; Urea; Urease | 1977 |
[The effect of urea and calcium ammonium nitrate application on the microflora and N conversion in pine raw humus].
Topics: Actinomycetales; Ammonia; Bacteria; Calcium; Nitrates; Nitrogen Fixation; Plants; Urea | 1977 |
[Influence of ornithin-alpha-ketoglutaric acid on fatmetabolism in patients with cirrhosis of the liver (author's transl)].
Topics: Ammonia; Biotransformation; Cholesterol; Citric Acid Cycle; Endotoxins; Fatty Acids, Nonesterified; Humans; Hydroxybutyrates; Hypertension, Portal; Ketoglutaric Acids; Lipid Metabolism; Liver Cirrhosis; Ornithine; Phenols; Triglycerides; Urea | 1976 |
13N-ammonia test and urea index in a patient with splenic vein obstruction and cirrhosis of the liver.
Topics: Adult; Ammonia; Humans; Hypertension, Portal; Liver Circulation; Liver Cirrhosis; Male; Nitrogen Radioisotopes; Splenic Vein; Urea; Vascular Diseases | 1976 |
Effect of propionic acid on fatty acid oxidation and ureagenesis.
Topics: Ammonia; Animals; Carbon Dioxide; Fatty Acids; Fatty Liver; Fibroblasts; Liver; Methylmalonic Acid; Oxidation-Reduction; Palmitates; Pentetic Acid; Propionates; Rats; Reye Syndrome; Urea | 1976 |
Influence of carbohydrate solubility on non-protein nitrogen utilization in the ruminant.
Topics: Ammonia; Animal Feed; Animals; Cattle; Dietary Carbohydrates; Eukaryota; Fermentation; Molasses; Nitrogen; Rumen; Sheep; Solubility; Urea | 1976 |
Rates of rumen fermentation in relation to ammonia concentration.
Topics: Ammonia; Animals; Fermentation; Gastric Juice; Hordeum; Rumen; Sheep; Urea | 1976 |
A comparison of the efficiency of urea and ammonium salts as non-protein-nitrogen supplements for sheep rations.
Topics: Amino Acids; Ammonia; Animals; Feces; Intestinal Absorption; Male; Nitrogen; Quaternary Ammonium Compounds; Sheep; Urea | 1976 |
Effect of urea form and method of feeding on rumen ammonia concentration.
Topics: Ammonia; Animal Feed; Animals; Cattle; Circadian Rhythm; Feeding Behavior; Female; Lactation; Pregnancy; Rumen; Urea | 1976 |
The effects of insulin on urinary urea and ammonia production.
Topics: Amino Acids; Ammonia; Ammonium Chloride; Aspartic Acid; Glycine; Humans; Infusions, Parenteral; Insulin; Urea | 1976 |
Nitrogen metabolism in calves. Effect of giving different amounts of dietary casein with and without formaldehyde treatment.
Topics: Amino Acids; Ammonia; Animals; Caseins; Cattle; Dietary Proteins; Duodenum; Energy Metabolism; Fermentation; Formaldehyde; Male; Nitrogen; Rumen; Urea | 1976 |
The role of the gut microflora in the utilization of dietary urea by the chick.
Topics: Amino Acids, Essential; Ammonia; Animals; Bacteria; Body Weight; Chickens; Diet; Germ-Free Life; Glutamates; Intestines; Male; Nitrogen; Urea; Urease | 1976 |
Congenital hyperammonemic syndromes.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Argininosuccinate Synthase; Argininosuccinic Aciduria; Carbamoyl-Phosphate Synthase (Ammonia); Citrulline; Diagnosis, Differential; Humans; Hyperargininemia; Infant, Newborn; Infant, Newborn, Diseases; Lysine; Ornithine; Ornithine Carbamoyltransferase Deficiency Disease; Syndrome; Urea | 1976 |
Effect of thyroid hormones and analogues on ammonia and urea excretion in lata fish (Ophicephalus punctatus).
Topics: Ammonia; Animals; Fishes; Injections, Intraperitoneal; Proteins; Temperature; Thyroxine; Time Factors; Triiodothyronine; Urea | 1976 |
[Studies on the functional ability of swine liver perfused with human blood in machine recirculation attempt. Experiment design, elimination of indocyanine green, galactose, bilirubin and ammonia, synthesis of urea, bile secretion].
Topics: Ammonia; Animals; Bile; Bilirubin; Blood Preservation; Galactose; Humans; Indocyanine Green; Liver; Liver Circulation; Perfusion; Swine; Urea | 1976 |
Abnormality in metabolism of 15N-labeled nitrate in toxemia.
Topics: Adult; Ammonia; Female; Humans; Hypertension; Nitrates; Nitrogen; Nitrogen Isotopes; Pre-Eclampsia; Pregnancy; Urea | 1976 |
Physiology of excretion in the fresh water gastropod Pila virens: part III--role of neurohormones in excretion.
Topics: Ammonia; Animals; Hormones; Nervous System; Nervous System Physiological Phenomena; Snails; Tissue Extracts; Urea; Uric Acid | 1976 |
Effect of ornithine and lactate on urea synthesis in isolated hepatocytes.
Topics: Ammonia; Animals; Butyrates; Citrulline; In Vitro Techniques; Kinetics; Lactates; Liver; Male; Oleic Acids; Ornithine; Pyruvates; Rats; Starvation; Stimulation, Chemical; Urea | 1976 |
Determination of nitrogen requirement for microbial growth from the effect of urea supplementation of a low N diet on abomasal N flow and N recycling in wethers and lambs.
Topics: Abomasum; Ammonia; Animal Feed; Animals; Dietary Proteins; Female; Male; Nitrogen; Sheep; Urea | 1976 |
The chemical nature of host hatching factors in the monogenean skin parasites Entobdella soleae and Acanthocotyle lobianchi.
Topics: Ammonia; Ammonium Chloride; Animals; Arginine; Fishes; Methylamines; Mucus; Skin; Trematoda; Urea; Urease | 1976 |
Ammonia absorption from the rumen to the systemic circulation with urea poisoning in goats.
Topics: Ammonia; Animals; Ascitic Fluid; Female; Goats; Hepatic Veins; Intestines; Jugular Veins; Lymph; Rumen; Seizures; Urea; Veins | 1976 |
Lethal neonatal argininosuccinate lyase deficiency in four children from one sibship.
Topics: Amino Acid Metabolism, Inborn Errors; Amino Acids; Ammonia; Argininosuccinic Aciduria; Diseases in Twins; Female; Humans; Infant, Newborn; Lyases; Male; Pedigree; Retrospective Studies; Urea | 1976 |
[Certain nitrogen-containing components of the heart, of the coronary-sinus blood and of the aorta in experimental myocardial infarct].
Topics: Ammonia; Animals; Aorta; Arginase; Coronary Vessels; DNA; Dogs; Glutamine; Myocardial Infarction; Myocardium; Nitrogen; Ornithine Carbamoyltransferase; Phosphorus; RNA; Urea | 1976 |
[Biochemical mechanisms of action of catalyzers of ureogenesis and their use in human therapy].
Topics: Ammonia; Arginine; Catalysis; Humans; Inactivation, Metabolic; Ketoglutaric Acids; Liver Diseases; Ornithine; Urea | 1976 |
Liquid membrane system directed toward chronic uremia.
Topics: Ammonia; Animals; Chronic Disease; Dogs; Gastrointestinal Motility; Hydrolysis; Membranes, Artificial; Rats; Urea; Urease; Uremia | 1975 |
Turning on of activities in unfertilized sea urchin eggs: correlation with changes of the surface.
Topics: Ammonia; Animals; Cell Membrane; Dithiothreitol; Female; Fertilization; Glycerol; Membrane Potentials; Ovum; Sea Urchins; Seawater; Surface Properties; Urea | 1975 |
In vitro reactivity of oxystarch and oxycellulose.
Topics: Ammonia; Binding, Competitive; Cellulose; Chromatography, Gel; Dialysis; In Vitro Techniques; Intestinal Absorption; Oxygen; Permeability; Starch; Urea | 1976 |
Further studies with oxystarch.
Topics: Administration, Oral; Ammonia; Binding, Competitive; Blood Urea Nitrogen; Charcoal; Creatinine; Humans; Kidney Failure, Chronic; Male; Oxygen; Starch; Urea; Uremia | 1976 |
Benurestat, a urease inhibitor for the therapy of infected ureolysis.
Topics: Ammonia; Ampicillin; Animals; Benzamides; Dose-Response Relationship, Drug; Drug Evaluation; Humans; Hydroxamic Acids; Nitrofurantoin; Proteus Infections; Proteus mirabilis; Rats; Sulfamethoxazole; Urea; Urease; Urinary Calculi; Urinary Tract Infections | 1975 |
Urea transport in Saccharomyces cerevisiae.
Topics: Ammonia; Arginine; Arsenates; Aspartic Acid; Biological Transport, Active; Cyanides; Depression, Chemical; Dinitrophenols; Energy Metabolism; Fluorides; Hydrolases; Ligases; Mutation; Proline; Saccharomyces cerevisiae; Urea; Uric Acid | 1975 |
The normal colonic bacterial flora.
Topics: Ammonia; Bacteria; Bacteroides; Bile Acids and Salts; Carcinogens; Chloramphenicol; Clostridium; Colon; Colonic Neoplasms; Diet; Escherichia coli; Eubacterium; Feces; Glucuronates; Glucuronidase; Glycosides; Hepatic Encephalopathy; Humans; Hydrolysis; Lactobacillus; Lactose; Liver Diseases; Streptococcus; Urea | 1975 |
Growth of Cryptococcus neoformans in UV-irradiated excreta of pigeons.
Topics: Ammonia; Animals; Columbidae; Creatinine; Cryptococcus; Cryptococcus neoformans; Feces; Hydrogen Peroxide; Radiation Effects; Ultraviolet Rays; Urea; Uric Acid | 1975 |
Klebsiella pneumoniae and Staphylococcus aureus infection in mice: difference in uremia and ammoniagenesis.
Topics: Ammonia; Animals; Arginase; Arginine; Endotoxins; Klebsiella Infections; Klebsiella pneumoniae; Male; Mice; Mice, Inbred Strains; Micrococcal Nuclease; Staphylococcal Infections; Staphylococcus; Urea; Uremia | 1975 |
Possible interactions between the urea cycle and synthesis of pyrimidines and polyamines in regenerating liver.
Topics: Adrenalectomy; Ammonia; Animals; Bicarbonates; Carbon Radioisotopes; Carboxy-Lyases; Hepatectomy; Liver; Liver Regeneration; Male; Ornithine; Orotic Acid; Polyamines; Pyrimidines; Rats; Urea; Urease | 1975 |
Ammonium nitrogen in fetuses of urea-treated sheep.
Topics: Ammonia; Animals; Female; Fetus; Kidney; Liver; Muscles; Nitrogen; Pregnancy; Pregnancy Complications; Sheep; Sheep Diseases; Spleen; Urea | 1975 |
Nitrogen metabolism in the perfused cirrhotic liver of the rat.
Topics: Alanine; Ammonia; Animals; Diet; Ethanol; Glucose; Glutamates; Glutamine; Liver; Liver Cirrhosis, Experimental; Male; Nitrogen; Organ Size; Ornithine; Perfusion; Rats; Urea | 1975 |
Citric, orotic, and other organic acids in rats injected with active or inactive urease.
Topics: Acetates; Ammonia; Animals; Arginine; Blood Glucose; Citrates; Formates; Ketoglutaric Acids; Lactates; Malates; Male; Orotic Acid; Pyruvates; Rats; Succinates; Time Factors; Urea; Urease | 1975 |
Metabolic control of urea catabolism in Chlamydomonas reinhardi and Chlorella pyrenoidosa.
Topics: Ammonia; Carbon Dioxide; Cell-Free System; Chlamydomonas; Chlorella; Chromatography, Paper; Electrophoresis; Enzyme Induction; Enzyme Repression; Hydrolysis; Kinetics; Ligases; Lyases; Urea | 1975 |
Ammonia formation and amino acid excretion by Gyrocotyle fimbriata (Cestoidea).
Topics: Adenosine Monophosphate; Alanine Transaminase; Amino Acid Oxidoreductases; Amino Acids; Aminohydrolases; Ammonia; Animals; Arginase; Aspartate Aminotransferases; Cestoda; Energy Metabolism; Fishes; Glutamate Dehydrogenase; Histidine Ammonia-Lyase; L-Serine Dehydratase; Urate Oxidase; Urea; Urease | 1975 |
Effects of renal lymphatic occlusion and venous constriction on renal function.
Topics: Ammonia; Animals; Glomerular Filtration Rate; Kidney; Kidney Concentrating Ability; Ligation; Lymphatic System; Male; Osmolar Concentration; Potassium; Rats; Renal Veins; Sodium; Urea; Water | 1975 |
Familial hyperargininaemia.
Topics: Amino Acids; Ammonia; Arginine; Athetosis; Child, Preschool; Chromatography; Cystinuria; Dietary Proteins; Erythrocytes; Female; Guanidines; Humans; Hyperargininemia; Infant; Infant, Newborn; Intellectual Disability; Metabolism, Inborn Errors; Muscle Spasticity; Ornithine; Umbilical Cord; Urea | 1975 |
Urinary metabolites characteristic of urea-cycle amino acid deficiency.
Topics: Amino Acids; Amino Acids, Essential; Ammonia; Animal Nutritional Physiological Phenomena; Animals; Arginine; Biotransformation; Body Weight; Carbamyl Phosphate; Citrates; Citrulline; Deficiency Diseases; Diet; Male; Nitrogen; Ornithine; Orotic Acid; Pyrimidines; Rats; Urea | 1975 |
Metabolic effects of glucose in brief and prolonged fasted man.
Topics: Acetoacetates; Adolescent; Adult; Amino Acids; Ammonia; Blood Glucose; Fasting; Fatty Acids, Nonesterified; Female; Glucose; Humans; Hydroxybutyrates; Insulin; Male; Nitrogen; Obesity; Proteins; Time Factors; Urea | 1975 |
Hyperammonemia due to a urea cycle enzyme deficiency in two dogs.
Topics: Ammonia; Anemia; Animals; Arginase; Argininosuccinate Synthase; Blood Proteins; Dog Diseases; Dogs; Liver; Male; Ornithine Carbamoyltransferase; Seizures; Urea | 1975 |
The use of optical emission spectroscopy for human 15N tracer studies.
Topics: Amino Acids; Ammonia; Diet; Glycine; Humans; Methods; Nitrogen; Nitrogen Isotopes; Spectrum Analysis; Time Factors; Urea | 1975 |
Absence of ureogenic pathways in liver of the hagfish Bdellostoma cirrhatum.
Topics: Allantoin; Amidohydrolases; Ammonia; Animals; Arginase; Fasting; Fishes; Hagfishes; Liver; Ornithine; Purines; Urate Oxidase; Urea; Ureohydrolases | 1975 |
Gluconeogenesis in arctic ground squirrels between periods of hibernation.
Topics: Ammonia; Animals; Blood Glucose; Fatty Acids, Nonesterified; Gluconeogenesis; Glycerol; Glycogen; Hibernation; Lactates; Liver Glycogen; Muscles; Nitrogen; Oxygen Consumption; Sciuridae; Seasons; Triglycerides; Urea | 1975 |
Nitrogenase in synchronized Azotobacter vinelandii OP.
Topics: Acetates; Acetylene; Ammonia; Azotobacter; Cell Division; Glutamine; Nitrates; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Quaternary Ammonium Compounds; Time Factors; Urea | 1975 |
Editorial: Nitrogen-recycling in uremia: a reappraisal.
Topics: Albumins; Amino Acids; Ammonia; Dietary Proteins; Fasting; Humans; Keto Acids; Nitrogen; Nitrogen Isotopes; Obesity; Protein Biosynthesis; Urea; Uremia | 1975 |
Nitrogen utilisation by lambs fed a high roughage ration and supplemented with compacted starch-urea or sulphur-coated urea.
Topics: Ammonia; Animal Feed; Animals; Male; Nitrogen; Rumen; Sheep; Starch; Sulfur; Urea | 1975 |
Lysinuric protein intolerance.
Topics: Adolescent; Adult; Alanine; Amino Acid Metabolism, Inborn Errors; Amino Acids; Ammonia; Arginine; Birth Weight; Child; Child, Preschool; Dietary Proteins; Eye Diseases; Female; Humans; Infant; Intellectual Disability; Intestinal Absorption; Liver; Lysine; Male; Nitrogen; Ornithine; Proteins; Renal Aminoacidurias; Urea | 1975 |
Leukocyte urea cycle enzymes in hyperammonemia.
Topics: Ammonia; Animals; Arginase; Argininosuccinate Lyase; Argininosuccinate Synthase; Argininosuccinic Aciduria; Biopsy, Needle; Cattle; Humans; Hyperargininemia; Leukocytes; Liver; Ornithine Carbamoyltransferase; Ornithine Carbamoyltransferase Deficiency Disease; Urea | 1975 |
[Content of urea in blood and urine and ammonia in urine in pneumonia of children of the 1st year of life].
Topics: Age Factors; Ammonia; Humans; Infant; Pneumonia; Urea | 1975 |
Quantification of the capacity of the liver to remove ammonia from the circulation of dogs with portacaval transposition.
Topics: Amino Acids; Ammonia; Animals; Citric Acid Cycle; Dogs; Glutamine; Inactivation, Metabolic; Liver; Liver Circulation; Portacaval Shunt, Surgical; Urea; Urease | 1975 |
Studies on the apoproteins of the major lipoprotein of the yolk of hen's eggs. I. Isolation and properties of the low-molecular-weight apoproteins.
Topics: Amino Acids; Ammonia; Animals; Apoproteins; Birds; Chickens; Chromatography, Gel; Egg Proteins; Electrophoresis, Polyacrylamide Gel; Female; Hydrolysis; Lipoproteins; Molecular Weight; Sulfhydryl Reagents; Urea; Vitellogenins | 1975 |
Influence of branched-chain volatile fatty acids on nitrogen utilization by lambs fed urea containing high roughage rations.
Topics: Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Butyrates; Caseins; Fatty Acids, Volatile; Feces; Glycine max; Male; Nitrogen; Rumen; Sheep; Urea; Valerates; Zea mays | 1975 |
Influence of ammonium salts of volatile fatty acids upon portal blood ammonia levels in lambs.
Topics: Acetates; Ammonia; Animal Feed; Animals; Butyrates; Catheterization; Fatty Acids, Volatile; Glycine max; Male; Medicago sativa; Portal Vein; Propionates; Quaternary Ammonium Compounds; Sheep; Urea | 1975 |
Recent developments in animal nutrition research in Eastern Europe.
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Cattle; Edible Grain; Europe, Eastern; Fatty Acids, Volatile; Female; Fermentation; Lactation; Molasses; Nitrogen; Pregnancy; Rumen; Sheep; Silage; Sodium Hydroxide; Urea; Wool; Zea mays | 1975 |
Effects of tallow and urea on in vitro rumen fermentation and nutrient digestion in sheep.
Topics: Ammonia; Animal Feed; Animals; Biuret; Blood Urea Nitrogen; Cellulose; Cottonseed Oil; Dietary Fats; Digestion; Edible Grain; Fermentation; In Vitro Techniques; Lipids; Male; Nitrogen; Rumen; Sheep; Starch; Urea | 1975 |
Role of anion translocation across the mitochondrial membrane in the regulation of urea synthesis from ammonia by isolated rat hepatocytes.
Topics: Acetoacetates; Adenosine Triphosphate; Aminooxyacetic Acid; Ammonia; Animals; Biological Transport, Active; Citrulline; Cycloserine; Hydroxybutyrates; In Vitro Techniques; Kinetics; Liver; Male; Malonates; Membranes; Mitochondria, Liver; Models, Biological; Perfusion; Rats; Urea | 1975 |
Proportions of ammonia, urea, urate and total nitrogen in avian urine and quantitative methods for their analysis on a single urine sample.
Topics: Ammonia; Animals; Chickens; Dietary Proteins; Male; Methods; Nitrogen; Urea; Uric Acid; Water | 1975 |
The effects of coating mixtures of urea phosphate and urea on the concentrations of ammonia in the rumen liquor and blood of cows.
Topics: Ammonia; Animals; Cattle; Delayed-Action Preparations; Female; Formaldehyde; Gastric Juice; Rumen; Solubility; Urea | 1975 |
Glycosyl ureides in ruminant feeding.
Topics: Adaptation, Physiological; Ammonia; Animal Feed; Animals; Cattle; Lactose; Rumen; Urea | 1975 |
[Some indices of nitrogen metabolism in patients with viral hepatitis].
Topics: Adolescent; Adult; Alanine; Ammonia; Asparagine; Chronic Disease; Cysteine; Cystinuria; Glutamates; Glycine; Hepatitis A; Humans; Isoleucine; Leucine; Methionine; Middle Aged; Nitrogen; Phenylalanine; Serine; Threonine; Urea; Valine | 1975 |
Nitrogen utilization within equine large intestine.
Topics: Amino Acids; Ammonia; Animals; Bacterial Proteins; Cecum; Colon; Dietary Proteins; Horses; Humans; Intestine, Large; Nitrogen; Proteins; Urea | 1975 |
Clinical infectious bovine rhinotracheitis in cattle fed organic iodine and urea.
Topics: Ammonia; Animals; Cattle; Cattle Diseases; Cough; Female; Fibrinogen; Infectious Bovine Rhinotracheitis; Iodides; Iodine; Nasal Mucosa; Tears; Urea | 1975 |
Biological changes in the rhizosphere of wheat after foliar application of chlorocholinechloride, urea and 4-chloro-2-methylphenoxyacetic acid.
Topics: Ammonia; Bacteria; Carbon Dioxide; Cell Count; Chlormequat; Glycolates; Herbicides; Phenoxyacetates; Plant Growth Regulators; Quaternary Ammonium Compounds; Soil Microbiology; Triticum; Urea; Urease | 1975 |
Labile nitrogen reserves in the ruminant. Metabolic changes in growing cattle employing a nitrogen depletion-repletion treatment.
Topics: Ammonia; Animals; Body Weight; Cattle; Creatinine; Deficiency Diseases; Dietary Proteins; Digestion; Energy Metabolism; Glutens; Male; Nitrogen; Urea; Zea mays | 1975 |
The accumulation of aspartate in the presence of ethanol in rat liver.
Topics: Alanine; Ammonia; Ammonium Chloride; Animals; Aspartic Acid; Cytosol; Ethanol; Female; Gluconeogenesis; Glutamates; Ketoglutaric Acids; Lactates; Liver; Mitochondria, Liver; Ornithine; Rats; Urea | 1975 |
Studies on the physiology of excretion in the fresh water prosobranch Pila virens: Part I. Pattern of excretion in the normal & post aestivating P. virens.
Topics: Adaptation, Physiological; Amino Acids; Ammonia; Animals; Estivation; Snails; Urea; Uric Acid | 1975 |
Studies on the physiology of excretion in the fresh water proso-branch Pila virens: Part II. Effect of osmotic stress on excretion.
Topics: Amino Acids; Ammonia; Animals; Osmolar Concentration; Snails; Urea; Uric Acid | 1975 |
The role of chemical equilibria in organ function.
Topics: Alanine; Amino Acids; Ammonia; Animals; Aspartic Acid; Carbamyl Phosphate; Female; Glutamate Dehydrogenase; Glutaminase; Glutamine; Humans; Kidney; Metabolism; Rats; Thermodynamics; Transaminases; Urea | 1975 |
[Chronic hyperammonemia with orotic aciduria: evidence of pyrimidine pathway stimulation (author's transl)].
Topics: Alanine; Amino Acids; Ammonia; Child, Preschool; Dietary Proteins; Erythrocytes; Growth Disorders; Humans; Intellectual Disability; Leukocytes; Ornithine; Ornithine Carbamoyltransferase; Ornithine Carbamoyltransferase Deficiency Disease; Orotate Phosphoribosyltransferase; Orotic Acid; Orotidine-5'-Phosphate Decarboxylase; Purine-Pyrimidine Metabolism, Inborn Errors; Pyrimidines; Seizures; Syndrome; Urea | 1975 |
Soil amendments and the rhizosphere effect.
Topics: Ammonia; Ammonium Sulfate; Bacteria; Cell Count; Glycine max; Nitrogen; Plants; Soil; Soil Microbiology; Triticum; Urea | 1975 |
Further studies of the dynamics of nitrogen metabolism in sheep.
Topics: Ammonia; Ammonium Sulfate; Animal Feed; Animals; Bacteria; Cecum; Digestion; Feces; Female; Gastric Juice; Intestinal Secretions; Models, Chemical; Nitrogen; Rheology; Rumen; Sheep; Urea | 1976 |
Simulation of the dynamics of nitrogen metabolism in sheep.
Topics: Amino Acids; Ammonia; Animal Feed; Animals; Body Fluids; Digestion; Digestive System Physiological Phenomena; Evaluation Studies as Topic; Intestines; Kinetics; Mathematics; Models, Biological; Nitrogen; Rheology; Rumen; Sheep; Urea | 1976 |
The efficacy of protein supplementation in overcoming urea toxicity in sheep.
Topics: Ammonia; Animal Feed; Animals; Argininosuccinate Lyase; Argininosuccinate Synthase; Dietary Proteins; Drug Tolerance; Liver; Male; Molasses; Protein Deficiency; Sheep; Urea | 1976 |
Relationship between ruminal ammonia and nonprotein nitrogen utilization by ruminants. III. Influence of intraruminal urea infusion on ruminal ammonia concentration.
Topics: Amino Acids; Ammonia; Animals; Cattle; Dietary Proteins; Dose-Response Relationship, Drug; Gastric Fistula; Male; Nitrogen; Rumen; Urea | 1976 |
Urea-cycle enzyme deficiencies and an increased nitrogen load producing hyperammonemia in Reye's syndrome.
Topics: Adolescent; Adult; Ammonia; Argininosuccinate Synthase; Argininosuccinic Aciduria; Brain Diseases; Carbamoyl-Phosphate Synthase (Ammonia); Child; Female; Humans; Hyperargininemia; Liver; Male; Middle Aged; Nitrogen; Ornithine Carbamoyltransferase Deficiency Disease; Reye Syndrome; Urea | 1976 |
[Feed-related urea poisoning in ruminants. a survey (author's transl)].
Topics: Ammonia; Animal Feed; Animals; Cattle; Cattle Diseases; Foodborne Diseases; Sheep; Sheep Diseases; Urea | 1976 |
The effects of selected gases on excystation of coccidian oocysts.
Topics: Ammonia; Animals; Carbon Dioxide; Cattle; Chickens; Cysteine; Eimeria; Gases; Hydrogen Sulfide; Methane; Nitric Oxide; Nitrogen Dioxide; Rabbits; Sulfur Dioxide; Urea | 1976 |
Effects of alanine, glycine and glutamic acid on nitrogenous excretion by Amphiuma means liver in organ culture.
Topics: Alanine; Amino Acids; Ammonia; Amphibians; Animals; Glutamates; Glycine; Liver; Organ Culture Techniques; Urea | 1976 |
[Extracorporeal fixation of liver slices onto the system of "artificial kidney" apparatus].
Topics: Adult; Ammonia; Animals; Bilirubin; Dogs; Hepatic Encephalopathy; Humans; Kidneys, Artificial; Liver; Male; Perfusion; Renal Dialysis; Swine; Urea | 1976 |
Equilibration of 15N-labeled amino compounds in man.
Topics: Amino Acids; Ammonia; Ammonium Chloride; Aspartic Acid; Glycine; Hippurates; Humans; Kinetics; Nitrogen; Nitrogen Isotopes; Urea | 1976 |
Covalent binding of urease on ammonium-selective potentiometric membranes.
Topics: Ammonia; Biosensing Techniques; Cellulose; Enzymes, Immobilized; Membranes, Artificial; Molecular Structure; Polyvinyl Chloride; Potentiometry; Sensitivity and Specificity; Urea; Urease | 1992 |
Feed utilization of beef steers fed grass as hay or silage with or without nitrogen supplementation.
Topics: Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Body Weight; Cattle; Dietary Fiber; Dietary Proteins; Digestion; Eating; Fatty Acids, Volatile; Fermentation; Fish Products; Food, Fortified; Male; Nitrogen; Poaceae; Rumen; Silage; Urea | 1992 |
Altered glutamine metabolism in rat portal drained viscera and hindquarter during hyperammonemia.
Topics: Amino Acids; Ammonia; Analysis of Variance; Animals; Blood Glucose; Glutamates; Glutamic Acid; Glutamine; Hindlimb; Intestinal Mucosa; Ischemia; Lactates; Lactic Acid; Liver; Male; Muscle Contraction; Muscles; Portacaval Shunt, Surgical; Rats; Rats, Inbred Strains; Regional Blood Flow; Urea; Viscera | 1992 |
Improvement of nitrogen supply for L-threonine production by a recombinant strain of Serratia marcescens.
Topics: Ammonia; Cell Division; Culture Media; Glutamate Dehydrogenase; Glutamate Synthase; Glutamate-Ammonia Ligase; Hydrogen-Ion Concentration; Immunoenzyme Techniques; Nitrogen; Plasmids; Serratia marcescens; Threonine; Urea | 1992 |
Defective methionine metabolism in cirrhosis: relation to severity of liver disease.
Topics: Adult; Amino Acids; Ammonia; Bilirubin; Blood Glucose; Female; Galactose; gamma-Globulins; gamma-Glutamyltransferase; Humans; Kinetics; Liver Cirrhosis; Male; Methionine; Middle Aged; Platelet Count; Prothrombin Time; Reference Values; Urea | 1992 |
Plasma ammonia is the principal source of ammonia in sweat.
Topics: Administration, Oral; Adult; Ammonia; Humans; Liver Cirrhosis; Male; Pilocarpine; Sweat; Urea | 1992 |
Low urea and high ammonia levels in plasma in epileptic patients and their relatives.
Topics: Adolescent; Adult; Ammonia; Child; Epilepsy; Female; Humans; Male; Middle Aged; Urea | 1992 |
Real-time study of the urea cycle using 15N n.m.r. in the isolated perfused rat liver.
Topics: Alanine; Ammonia; Animals; Glutamine; Liver; Magnetic Resonance Spectroscopy; Male; Oxygen Consumption; Perfusion; Rats; Rats, Wistar; Urea | 1992 |
Urea-hydrolysis-dependent citrulline synthesis by Ureaplasma urealyticum.
Topics: Ammonia; Carbamoyl-Phosphate Synthase (Ammonia); Citrulline; Hydrolysis; Ornithine Carbamoyltransferase; Urea; Ureaplasma | 1992 |
Partial enterectomy in the rat does not diminish muscle glutamine production.
Topics: Alanine; Amino Acids; Ammonia; Animals; Glutamine; Intestine, Small; Liver; Male; Muscles; Rats; Rats, Wistar; Urea | 1992 |
Glycine, a new regulator of glutamine metabolism in isolated rat-liver cells.
Topics: Ammonia; Ammonium Chloride; Animals; Carbon Dioxide; Dose-Response Relationship, Drug; Glucose; Glutaminase; Glutamine; Glycine; Liver; Male; Mitochondria, Liver; Ornithine; Rats; Rats, Wistar; Urea | 1992 |
Plasma urea and ammonia in epileptic patients and their relatives.
Topics: Adolescent; Adult; Amino Acids; Ammonia; Child; Citrulline; Epilepsy; Family; Female; Humans; Male; Middle Aged; Ornithine; Urea | 1992 |
[Excretion of urea and ammonia and its effect on the acid-base balance of water in the habitat of the anuran amphibian Xenopus laevis. Action of metabolic alkalosis].
Topics: Acid-Base Equilibrium; Alkalosis; Ammonia; Animals; Fresh Water; Nitrogen; Urea; Water-Electrolyte Balance; Xenopus laevis | 1992 |
The isolated perfused rat liver as an experimental model.
Topics: Albumins; Amino Acids; Ammonia; Animals; Biological Availability; Disease Models, Animal; Evaluation Studies as Topic; Gluconeogenesis; Lactates; Lactic Acid; Liver; Male; Metabolic Clearance Rate; Oxygen Consumption; Perfusion; Rats; Rats, Inbred Strains; Urea | 1992 |
Development and evaluation of a kinetic diacetyl monoxime method for urine urea.
Topics: Ammonia; Diacetyl; Humans; Sensitivity and Specificity; Urea | 1992 |
Nitrogen-stimulated orotic acid synthesis and nucleotide imbalance.
Topics: Ammonia; Animals; Carbamyl Phosphate; Cattle; Humans; Liver Neoplasms; Milk; Orotic Acid; Pyrimidines; Rats; Triglycerides; Urea | 1992 |
Effect of asynchronous nitrogen and energy supply on growth of ruminal bacteria in batch culture.
Topics: Ammonia; Animals; Bacteria; Buffers; Carbohydrate Metabolism; Carbohydrates; Cattle; Fatty Acids, Volatile; Fermentation; Glucose; Glycine max; Hydrogen-Ion Concentration; Male; Nitrogen; Proteins; Rumen; Starch; Urea; Zea mays | 1992 |
The effect of dietary protein intake on glutamine and glutamate nitrogen metabolism in humans.
Topics: Adult; Ammonia; Creatinine; Dietary Proteins; Energy Metabolism; Glucagon; Glutamates; Glutamine; Growth Hormone; Humans; Hydrocortisone; Infusions, Intravenous; Insulin; Male; Phenylalanine; Urea | 1992 |
Simple and sensitive determination of urea in serum and urine.
Topics: Ammonia; Colorimetry; Hydrogen-Ion Concentration; Phenolphthaleins; Quality Control; Reference Values; Urea; Urease | 1992 |
The importance of determining both urea and ammonium levels in gastric juice for rapid diagnosis of Helicobacter pylori infection.
Topics: Ammonia; Gastric Juice; Helicobacter Infections; Helicobacter pylori; Humans; Urea | 1992 |
Dietary arginine deficiency alters flux of glutamine and urea cycle intermediates across the portal-drained viscera and liver of rats.
Topics: Amino Acids; Ammonia; Animals; Arginine; Glutamine; Liver; Liver Circulation; Male; Rats; Rats, Inbred Strains; Urea | 1992 |
Hyperosmolality impairs ammonia-mediated inflammation: implications for the renal medulla.
Topics: Ammonia; Animals; Cell Degranulation; Complement C3; Humans; Inflammation; Kidney Medulla; Neutrophils; Osmolar Concentration; Sodium Chloride; Urea | 1992 |
Metabolism of 15N-ammonia in patients with cirrhosis: a three-compartmental analysis.
Topics: Aged; Amino Acids; Ammonia; Female; Follow-Up Studies; Humans; Liver Cirrhosis; Male; Middle Aged; Models, Biological; Urea | 1992 |
Plasma glutamine concentration: a guide in the management of urea cycle disorders.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Glutamine; Humans; Infant, Newborn; Male; Ornithine Carbamoyltransferase Deficiency Disease; Urea | 1992 |
The effects of intravenous urea infusions on portal and arterial plasma ammonia and urea enrichment of jejunal and colonic infusions. Acute experiments with growing pigs.
Topics: Ammonia; Animals; Brachiocephalic Trunk; Colon; Infusions, Intravenous; Jejunum; Jugular Veins; Permeability; Portal Vein; Swine; Urea | 1992 |
Condensed tannins and nutrient utilization by lambs and goats fed low-quality diets.
Topics: Ammonia; Animal Feed; Animals; Dietary Fiber; Digestion; Eating; Fatty Acids, Volatile; Goats; Growth Hormone; Insulin; Male; Nitrogen; Nutritive Value; Polyethylene Glycols; Rumen; Sheep; Tannins; Urea | 1991 |
Effects of urea and sodium bicarbonate supplementation of a high-fiber diet on nutrient digestion and ruminal characteristics of defaunated sheep.
Topics: Absorption; Ammonia; Animals; Bacteria; Bicarbonates; Choline; Dietary Fiber; Dietary Proteins; Digestion; Eating; Eukaryota; Fatty Acids, Volatile; Hydrogen-Ion Concentration; Intestine, Small; Male; Rumen; Sheep; Sodium; Sodium Bicarbonate; Urea | 1991 |
Effects of urea and starch on rumen fermentation, nutrient passage to the duodenum, and performance of cows.
Topics: Ammonia; Animal Feed; Animals; Cattle; Dietary Fiber; Digestion; Eating; Fatty Acids, Volatile; Female; Fermentation; Fish Products; Gastric Emptying; Lactation; Least-Squares Analysis; Milk; Nitrogen; Rumen; Starch; Urea | 1991 |
The influence of timing and the addition of urea to supplements containing DL-methionine on ruminal fermentation and cow weight change in beef cows.
Topics: Ammonia; Animal Feed; Animals; Cattle; Dietary Fiber; Dietary Proteins; Eating; Female; Fermentation; Food, Fortified; Glycine max; Hydrogen-Ion Concentration; Methionine; Rumen; Time Factors; Urea; Weight Gain | 1991 |
Effect of prostaglandin F2 alpha on urea synthesis and hepatic hemodynamics.
Topics: Ammonia; Animals; Dinoprost; In Vitro Techniques; Liver; Liver Circulation; Male; Ornithine; Rats; Urea | 1991 |
Interaction of gut and liver in nitrogen metabolism during exercise.
Topics: Alanine; Ammonia; Animals; Dogs; Glutamates; Glutamic Acid; Glutamine; Hepatic Artery; Intestinal Mucosa; Liver; Nitrogen; Physical Exertion; Portal Vein; Regional Blood Flow; Splanchnic Circulation; Urea | 1991 |
The effects of endotoxin on the splanchnic metabolism of glutamine and related substrates.
Topics: Alanine; Ammonia; Animals; Blood Flow Velocity; DNA; Endotoxins; Escherichia coli; Glucose; Glutamates; Glutamic Acid; Glutamine; Intestinal Mucosa; Liver; Liver Circulation; Male; Oxygen Consumption; Portal Vein; Rats; Rats, Inbred Strains; Urea | 1991 |
Reabsorption of water and electrolytes in the urinary bladder of intact frogs (genus Rana).
Topics: Absorption; Ammonia; Animals; Body Water; Calcium; Electrolytes; Magnesium; Osmolar Concentration; Potassium; Rana ridibunda; Rana temporaria; Ranidae; Sodium; Urea; Urinary Bladder | 1991 |
Protein damage and lipid peroxidation: effects of diethyl maleate, bromotrichloromethane and vitamin E on ammonia, urea and enzymes involved in ammonia metabolism.
Topics: Ammonia; Animals; Arginase; Argininosuccinate Lyase; Argininosuccinate Synthase; Bromotrichloromethane; Carbamoyl-Phosphate Synthase (Ammonia); gamma-Glutamyltransferase; Glutamate Dehydrogenase; Glutaminase; Lipid Peroxidation; Liver; Male; Maleates; Mitochondria, Liver; Ornithine Carbamoyltransferase; Proteins; Rats; Rats, Inbred Strains; Urea; Vitamin E | 1991 |
Control of urea synthesis and ammonia utilization in protein deprivation and refeeding.
Topics: Ammonia; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Dietary Proteins; Glutamate-Ammonia Ligase; Glutamates; Glutaminase; Liver; Male; Protein Deficiency; Rats; Rats, Inbred Strains; Urea | 1991 |
Mode of action of the molluscicide bromoacetamide.
Topics: Acetamides; Ammonia; Animals; Carps; Citrate (si)-Synthase; Mice; Mice, Inbred Strains; Molluscacides; Ornithine Carbamoyltransferase; Oxygen Consumption; Radioligand Assay; Snails; Species Specificity; Urea | 1991 |
Intralysosomal generation of ammonia from urea by endocytosed urease results in secretion of free lysosomal arylsulfatase-A and increased activity of membrane-bound beta-glucosidase in cultured brain cells.
Topics: Ammonia; Animals; beta-Glucosidase; Brain; Cerebroside-Sulfatase; Culture Media; DNA; Endocytosis; Enzyme Activation; Glycosaminoglycans; Hybridomas; Intracellular Fluid; Lysosomes; Proteins; Rats; Sulfur Radioisotopes; Urea | 1991 |
Conversion of ammonia or urea into essential amino acids, L-leucine, L-valine, and L-isoleucine, using artificial cells containing an immobilized multienzyme system and dextran-NAD+. 2. Yeast alcohol dehydrogenase for coenzyme recycling.
Topics: Alcohol Dehydrogenase; Amino Acids, Essential; Ammonia; Biotechnology; Capsules; Dextrans; Enzymes, Immobilized; Hydrogen-Ion Concentration; Isoleucine; Leucine; NAD; Substrate Specificity; Urea; Valine | 1990 |
Conversion of ammonia or urea into essential amino acids, L-leucine, L-valine, and L-isoleucine using artificial cells containing an immobilized multienzyme system and dextran-NAD. L-lactic dehydrogenase for coenzyme recycling.
Topics: Amino Acid Oxidoreductases; Amino Acids, Essential; Ammonia; Coenzymes; Dextrans; Enzyme Stability; Enzymes, Immobilized; Isoleucine; Kinetics; L-Lactate Dehydrogenase; Lactates; Lactic Acid; Leucine; Leucine Dehydrogenase; NAD; Urea; Urease; Valine | 1990 |
Prospective treatment of urea cycle disorders.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Anthropometry; Argininosuccinate Synthase; Argininosuccinic Aciduria; Carbamoyl-Phosphate Synthase (Ammonia); Child; Child, Preschool; Clinical Protocols; Developmental Disabilities; Follow-Up Studies; Humans; Infant; Infant, Newborn; Ornithine Carbamoyltransferase Deficiency Disease; Survival Analysis; Urea | 1991 |
15NH4+ excretion test: a new method for detection of Helicobacter pylori infection.
Topics: Adult; Ammonia; Bacteriological Techniques; Female; Helicobacter Infections; Helicobacter pylori; Humans; Male; Metabolic Clearance Rate; Middle Aged; Nitrogen Isotopes; Random Allocation; Urea; Urease | 1992 |
Lactational performance of high producing dairy cows fed diets containing salmon meal and urea.
Topics: Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Body Weight; Cattle; Eating; Fatty Acids; Fatty Acids, Volatile; Female; Fish Products; Lactation; Lipids; Milk; Rumen; Salmon; Urea | 1991 |
Urease (EC 3.5.1.5) inhibition in the sheep rumen and its effect on urea and nitrogen metabolism.
Topics: Abomasum; Ammonia; Animals; Female; Male; Nitrogen; Organophosphates; Rumen; Sheep; Urea; Urease | 1991 |
[New findings on maintenance of the acid-base equilibrium].
Topics: Acid-Base Equilibrium; Ammonia; Animals; Female; Humans; Male; Urea | 1991 |
Arginine remains an essential amino acid after liver transplantation in urea cycle enzyme deficiencies.
Topics: Ammonia; Arginine; Argininosuccinate Synthase; Child; Child, Preschool; Female; Humans; Liver Transplantation; Male; Ornithine Carbamoyltransferase Deficiency Disease; Urea | 1991 |
Fifteen years' experience with 212 hyperammonaemic cases at a metabolic unit.
Topics: Ammonia; Carboxylic Acids; Female; Hepatomegaly; Humans; Infant; Infant, Newborn; Liver Diseases; Male; Metabolism, Inborn Errors; Retrospective Studies; Urea | 1991 |
On the false positive urease activity of Yarrowia lipolytica.
Topics: Ammonia; Ascomycota; False Positive Reactions; Schizosaccharomyces; Urea; Urease | 1991 |
Rat liver amino acid balances after the administration of an oral protein load.
Topics: Administration, Oral; Amino Acids; Ammonia; Animals; Dietary Proteins; Enterohepatic Circulation; Liver; Male; Proteins; Rats; Rats, Inbred Strains; Urea | 1991 |
Urea cycle defect: a case with MR and CT findings resembling infarct.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Cerebral Infarction; Child, Preschool; Female; Humans; Magnetic Resonance Imaging; Ornithine Carbamoyltransferase Deficiency Disease; Tomography, X-Ray Computed; Urea | 1991 |
Effect of the fungicides tridemorph and vinclozolin on soil microorganisms and nitrogen metabolism.
Topics: Actinomycetales; Ammonia; Bacteria; Fungi; Fungicides, Industrial; Morpholines; Nitrates; Nitrogen; Oxazoles; Soil Microbiology; Urea | 1991 |
Modulations in nitrogen metabolism in the hepatic and neuronal tissues of fish, Tilapia mossambica exposed to atrazine.
Topics: Amino Acids; Ammonia; Animals; Atrazine; Brain; Fishes; Glutamine; Liver; Nitrogen; Proteins; Urea | 1991 |
Severity of Helicobacter-induced gastric injury correlates with gastric juice ammonia.
Topics: Ammonia; Gastric Juice; Gastric Mucosa; Gastritis; Helicobacter Infections; Helicobacter pylori; Humans; Male; Middle Aged; Urea; Uremia | 1991 |
Postnatal development of urea- and ammonia-excretion in urine of very-low-birth-weight infants small for gestational age.
Topics: Ammonia; Humans; Infant, Newborn; Infant, Small for Gestational Age; Prospective Studies; Urea | 1991 |
Cypermethrin induced changes in nitrogen metabolism of fish, Tilapia mossambica.
Topics: Amino Acids; Ammonia; Animals; Brain; Gills; Glutamine; Insecticides; Liver; Nitrogen; Perciformes; Proteins; Pyrethrins; Urea | 1991 |
Effect of inhibition of Helicobacter pylori urease activity by acetohydroxamic acid on serum gastrin in duodenal ulcer subjects.
Topics: Adult; Ammonia; Breath Tests; Duodenal Ulcer; Female; Gastric Juice; Gastrins; Helicobacter pylori; Humans; Hydroxamic Acids; Male; Middle Aged; Urea; Urease | 1991 |
[Hyperlysinemia and hyperammonemia].
Topics: Ammonia; Female; Humans; Infant, Newborn; Lysine; Male; Metabolism, Inborn Errors; Retrospective Studies; Reye Syndrome; Urea | 1991 |
Methylparathion, carbaryl and aldrin impact on nitrogen metabolism of prawn, Penaeus indicus.
Topics: Alanine Transaminase; Aldrin; Ammonia; Animals; Aspartate Aminotransferases; Carbaryl; Gills; Glutamate Dehydrogenase; Glutamine; Liver; Methyl Parathion; Muscles; Nitrogen; Pancreas; Penaeidae; Urea | 1991 |
[Do the variations in water carbon dioxide pressure and PH have an effect on the nature of end products of protein catabolism, ammonia and urea, in the clawed frog Xenopus laevis?].
Topics: Ammonia; Animals; Carbon Dioxide; Hydrogen-Ion Concentration; Nitrogen; Pressure; Urea; Water; Xenopus laevis | 1991 |
Detection of Helicobacter pylori infection of the gastric mucosa by measurement of gastric aspirate ammonium and urea concentrations.
Topics: Adolescent; Adult; Ammonia; Breath Tests; Female; Gastric Juice; Helicobacter Infections; Helicobacter pylori; Humans; Male; Middle Aged; Ranitidine; Time Factors; Urea | 1991 |
Reversible inhibition of the urea cycle and gluconeogenesis by N,N-diethyl-m-toluamide.
Topics: Ammonia; Animals; Cell Survival; Cells, Cultured; DEET; Dose-Response Relationship, Drug; Gluconeogenesis; Kinetics; Liver; Male; Rats; Urea | 1991 |
Shifts in protein metabolism in some organs of freshwater fish, Cyprinus carpio under mercury stress.
Topics: Amino Acids; Ammonia; Animals; Carps; Fresh Water; Gills; Glutamate Dehydrogenase; Intestinal Mucosa; Intestines; Kidney; Mercury; Proteins; Urea | 1991 |
Glucose infusion improves endogenous protein synthesis efficiency in multiple trauma victims.
Topics: Adult; Ammonia; Energy Metabolism; Glucose; Humans; Infusions, Intravenous; Multiple Trauma; Nitrogen; Protein Biosynthesis; Respiration; Rest; Urea | 1991 |
A 15N-n.m.r. study of cerebral, hepatic and renal nitrogen metabolism in hyperammonaemic rats.
Topics: Adenosine Triphosphate; Alanine; Ammonia; Animals; Brain; Glutamate-Ammonia Ligase; Glutamates; Glutamic Acid; Glutamine; Inactivation, Metabolic; Kidney; Liver; Magnetic Resonance Spectroscopy; Male; Methionine Sulfoximine; Nitrogen; Nitrogen Isotopes; Phosphocreatine; Rats; Rats, Inbred Strains; Urea | 1990 |
Comparison of the effects of various amino acids on glycogen synthesis, lipogenesis and ketogenesis in isolated rat hepatocytes.
Topics: Amino Acids; Ammonia; Animals; Ketones; Lipids; Liver; Liver Glycogen; Male; Malonyl Coenzyme A; Osmolar Concentration; Rats; Rats, Inbred Strains; Urea | 1991 |
The net portal and hepatic flux of metabolites and oxygen consumption in growing beef steers given postruminal casein.
Topics: Amino Acids; Ammonia; Animals; Blood Glucose; Blood Urea Nitrogen; Caseins; Cattle; Fatty Acids, Nonesterified; Intestinal Mucosa; Liver; Liver Circulation; Male; Nitrogen; Oxygen Consumption; Portal System; Splanchnic Circulation; Urea | 1991 |
Sweat ammonia excretion during submaximal cycling exercise.
Topics: Adult; Ammonia; Exercise; Humans; Lactates; Lactic Acid; Male; Oxygen Consumption; Sweat; Urea | 1991 |
Development of urea-synthesizing capacity in preterm infants during the first weeks of life.
Topics: Age Factors; Ammonia; Humans; Infant, Newborn; Infant, Premature; Prospective Studies; Urea | 1991 |
Use of citrulline as a diagnostic marker in the prospective treatment of urea cycle disorders.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Biomarkers; Carbamoyl-Phosphate Synthase (Ammonia); Citrulline; Humans; Infant, Newborn; Male; Urea | 1991 |
Suicidal destruction of Helicobacter pylori: metabolic consequence of intracellular accumulation of ammonia.
Topics: Ammonia; Bacteriolysis; Buffers; Helicobacter pylori; Hydrogen-Ion Concentration; Time Factors; Urea | 1991 |
Quantitative analysis of urinary pyroglutamic acid in patients with hyperammonemia.
Topics: Adult; Aged; Aged, 80 and over; Amino Acid Metabolism, Inborn Errors; Ammonia; Carbamoyl-Phosphate Synthase (Ammonia); Child; Child, Preschool; Female; Gas Chromatography-Mass Spectrometry; Glutamine; Humans; Infant; Infant, Newborn; Male; Middle Aged; Ornithine Carbamoyltransferase Deficiency Disease; Orotic Acid; Pyrrolidonecarboxylic Acid; Urea | 1991 |
In vivo 14N nuclear magnetic resonance spectroscopy of tumors: detection of ammonium and trimethylamine metabolites in the murine radiation induced fibrosarcoma 1.
Topics: Ammonia; Animals; Fibrosarcoma; Magnetic Resonance Spectroscopy; Methylamines; Mice; Neoplasms, Experimental; Neoplasms, Radiation-Induced; Nitrogen; Urea | 1991 |
Effect of prostaglandin E2 on urea synthesis and hepatic hemodynamics in rat livers. An in vivo/in vitro study.
Topics: Ammonia; Animals; Blood Pressure; Dinoprostone; In Vitro Techniques; Liver; Liver Circulation; Ornithine; Oxygen; Portal Vein; Rats; Rats, Inbred Strains; Urea | 1990 |
[Possibilities of hemosorption using a fibrous sorbent in acute hepatic failure (experimental study)].
Topics: Acrylic Resins; Acute Disease; Ammonia; Animals; Bilirubin; Blood Proteins; Disease Models, Animal; Dogs; Hemodynamics; Hemoperfusion; Hepatic Encephalopathy; Polypropylenes; Urea | 1990 |
gamma-Glutamylglutamine identified in plasma and cerebrospinal fluid from hyperammonaemic patients.
Topics: Ammonia; Child; Chromatography, Ion Exchange; Dipeptides; Humans; Infant; Infant, Newborn; Metabolism, Inborn Errors; Middle Aged; Spectrometry, Mass, Fast Atom Bombardment; Urea | 1990 |
pH regulation of urease levels in Streptococcus salivarius.
Topics: Actinomyces; Ammonia; Carbon Dioxide; Glucose; Humans; Hydrogen-Ion Concentration; Staphylococcus; Streptococcus; Urea; Urease | 1990 |
Organization of hepatic nitrogen metabolism and its relation to acid-base homeostasis.
Topics: Acid-Base Equilibrium; Ammonia; Animals; Bicarbonates; Carbon Dioxide; Extracellular Space; Glutamine; Humans; Kidney Diseases; Liver; Nitrogen; Rats; Urea | 1990 |
Measurement of urinary urea for estimating nitrogen balance.
Topics: Ammonia; Humans; Nitrogen; Parenteral Nutrition, Total; Urea | 1990 |
[Anthropogenic factors in the contamination of swimming pools].
Topics: Amines; Ammonia; Humans; Russia; Swimming Pools; Urea; Water Pollution | 1990 |
Estimation of whole body protein synthesis from oxidation of infused [1-14C]leucine.
Topics: Ammonia; Animals; Bicarbonates; Carbon Dioxide; Carbon Radioisotopes; Infusions, Intravenous; Kinetics; Leucine; Male; Oxidation-Reduction; Protein Biosynthesis; Radioisotope Dilution Technique; Rats; Rats, Inbred Strains; Respiration; Sodium; Sodium Bicarbonate; Urea | 1990 |
No effect of bicarbonate-induced alkalosis on urea synthesis in normal man.
Topics: Adult; Alanine; Alkalosis; Ammonia; Bicarbonates; Blood; Female; Humans; Hydrogen-Ion Concentration; Male; Nitrogen; Sodium; Sodium Bicarbonate; Urea | 1990 |
Ammoniation of straw by urea: extent of ureolysis and improvement of nutritive value with moderate water addition.
Topics: Ammonia; Animal Feed; Animals; Food Handling; Nutritive Value; Sheep; Triticum; Urea; Water | 1990 |
Ammoniation of straw by urea: influence of addition of soybeans and/or molasses on characteristics of treatment.
Topics: Ammonia; Animal Feed; Animals; Food Handling; Glycine max; Molasses; Sheep; Triticum; Urea | 1990 |
Generation of ammonia and mucosal lesion formation following hydrolysis of urea by urease in the rat stomach.
Topics: Ammonia; Animals; Gastric Mucosa; Helicobacter pylori; Hydrolysis; Male; Rats; Rats, Inbred Strains; Stomach Ulcer; Urea; Urease | 1990 |
Flow injection analysis of serum urea using urease covalently immobilized on 2-fluoro-1-methylpyridinium salt-activated fractogel and fluorescence detection.
Topics: Ammonia; Calibration; Enzymes, Immobilized; Fluorescence; Humans; Hydrogen-Ion Concentration; o-Phthalaldehyde; Permeability; Pyridinium Compounds; Temperature; Urea; Urease | 1990 |
Episodic hyperammonemia in adult siblings with hyperornithinemia, hyperammonemia, and homocitrullinuria syndrome.
Topics: Adult; Ammonia; Citrulline; Female; Fibroblasts; Glutamine; Humans; Leucine; Male; Metabolism, Inborn Errors; Ornithine; Phenylbutyrates; Recurrence; Syndrome; Urea | 1990 |
Isotachophoretic determination of urea-ammonium in plasma: a candidate reference method.
Topics: Ammonia; Electrophoresis; Humans; Reference Values; Regression Analysis; Urea | 1990 |
Hyperammonemic encephalopathy in urinary diversion with urea-splitting urinary tract infection.
Topics: Acidosis; Ammonia; Colon, Sigmoid; Coma; Duodenum; Female; Humans; Iatrogenic Disease; Ileum; Intestinal Fistula; Male; Middle Aged; Reoperation; Urea; Urinary Diversion; Urinary Fistula; Urinary Tract Infections | 1990 |
Control of hepatic nitrogen metabolism and glutathione release by cell volume regulatory mechanisms.
Topics: Ammonia; Ammonium Chloride; Animals; Cinnamates; Glucose; Hypotonic Solutions; In Vitro Techniques; Kinetics; Lactates; Liver; Male; Monocarboxylic Acid Transporters; Nitrogen; Oxygen Consumption; Perfusion; Pyruvates; Rats; Rats, Inbred Strains; Urea | 1990 |
Response of rat liver glutaminase to pH, ammonium, and citrate. Possible regulatory role of glutaminase in ureagenesis.
Topics: Ammonia; Animals; Citrates; Glutaminase; Glutamine; Hydrogen-Ion Concentration; Hydrolysis; Kinetics; Male; Mitochondria, Liver; Rats; Rats, Inbred Strains; Urea | 1990 |
[Molecular genetics of urea cycle diseases].
Topics: Acetyltransferases; Amino-Acid N-Acetyltransferase; Ammonia; Animals; Arginase; Argininosuccinate Lyase; Argininosuccinate Synthase; Argininosuccinic Aciduria; Carbamoyl-Phosphate Synthase (Ammonia); Humans; Hyperargininemia; Liver; Ornithine Carbamoyltransferase; Ornithine Carbamoyltransferase Deficiency Disease; Urea | 1990 |
The effects of intraruminal infusions of urea on the voluntary intake and milk production of cows receiving grass silage diets.
Topics: Ammonia; Animals; Blood Glucose; Cattle; Eating; Female; Hydrogen-Ion Concentration; Insulin; Lactation; Poaceae; Rumen; Silage; Urea | 1990 |
Urea cycle disorder in C3H-H-2 degree mice with juvenile steatosis of viscera.
Topics: Ammonia; Animals; Fatty Liver; Gene Expression Regulation, Enzymologic; Homozygote; Lipid Metabolism, Inborn Errors; Liver; Mice; Mice, Inbred C3H; Models, Biological; Oxidation-Reduction; Urea | 1990 |
Effect of postnatal hypoxia on ammonia metabolism during the early neonatal period in the rat.
Topics: Allantoin; Ammonia; Animals; Animals, Newborn; Blood Gas Analysis; Glutamates; Glutamine; Hypoxia; Lactates; Rats; Rats, Inbred Strains; Urea; Xanthines | 1990 |
Metabolic fate of [13N]ammonia in human and canine blood.
Topics: Adult; Amino Acids; Ammonia; Animals; Dogs; Humans; Injections, Intravenous; Ion Exchange; Male; Nitrogen Radioisotopes; Urea | 1990 |
Ammonium and bicarbonate homeostasis in chronic liver disease.
Topics: Acid-Base Equilibrium; Ammonia; Bicarbonates; Biopsy; Blood Urea Nitrogen; Culture Techniques; Fatty Liver; Homeostasis; Humans; Liver; Liver Cirrhosis; Liver Function Tests; Urea | 1990 |
Urea metabolism in sheep given conventional feeds or nourished by intragastric infusion.
Topics: Ammonia; Animal Feed; Animals; Digestive System; Fatty Acids; Female; Infusions, Parenteral; Nitrogen; Regression Analysis; Rumen; Sheep; Urea | 1990 |
Hyperammonemia in women with a mutation at the ornithine carbamoyltransferase locus. A cause of postpartum coma.
Topics: Adult; Amino Acids; Ammonia; Coma; Female; Heterozygote; Humans; Mutation; Ornithine Carbamoyltransferase; Pregnancy; Puerperal Disorders; Urea | 1990 |
The urea cycle in the Rett syndrome.
Topics: Adult; Ammonia; Child; Child, Preschool; Female; Humans; Middle Aged; Orotic Acid; Rett Syndrome; Urea | 1990 |
Relationship between urea and ammonium excretion in the urine of very-low-birth-weight infants appropriate for gestational age.
Topics: Acid-Base Equilibrium; Ammonia; Food, Formulated; Gestational Age; Humans; Infant, Low Birth Weight; Infant, Newborn; Kidney; Metabolic Clearance Rate; Milk Proteins; Nitrogen; Urea; Weight Gain | 1990 |
The gastric juice urea and ammonia levels in patients with Campylobacter pylori.
Topics: Adult; Ammonia; Biopsy; Campylobacter Infections; Gastric Juice; Gastroscopy; Humans; Stomach Diseases; Urea | 1990 |
Exposure of perfused liver to hypotonic conditions modifies cellular nitrogen metabolism.
Topics: Alanine; Ammonia; Animals; Glutamates; Glutamine; Hypotonic Solutions; Liver; Male; Nitrogen; Perfusion; Rats; Rats, Inbred Strains; Urea | 1990 |
Urinary orotic acid excretion in sheep: effects of nitrogen, glucose and arginine.
Topics: Abomasum; Ammonia; Animals; Arginine; Aspartate Aminotransferases; Bilirubin; Energy Intake; Feces; Glucose; Male; Nitrogen; Orotic Acid; Rumen; Sheep; Urea | 1990 |
Induction of the 4-aminobutyrate and urea-catabolic pathways in Saccharomyces cerevisiae. Specific and common transcriptional regulators.
Topics: Aminobutyrates; Ammonia; Enzyme Induction; Gene Expression Regulation, Enzymologic; Genes; Genes, Fungal; Genes, Regulator; Membrane Transport Proteins; Models, Chemical; Mutation; Saccharomyces cerevisiae; Transcription, Genetic; Urea | 1990 |
Campylobacter pyloridis gastritis I: Detection of urease as a marker of bacterial colonization and gastritis.
Topics: Ammonia; Campylobacter; Campylobacter Infections; Gastric Mucosa; Gastritis; Gastroscopy; Humans; Pyloric Antrum; Staining and Labeling; Urea; Urease | 1987 |
Age-related changes in muscle ammonia detoxification potential in exhausted rats.
Topics: Aging; Ammonia; AMP Deaminase; Animals; Glutamate Dehydrogenase; Glutamine; Male; Muscle Contraction; Muscle Proteins; Muscles; Physical Exertion; Rats; Urea | 1987 |
Glutamine and ammonium handling by anaesthetized rats.
Topics: Amino Acids; Ammonia; AMP Deaminase; Anesthesia; Animals; Female; Glutamate Dehydrogenase; Glutamate-Ammonia Ligase; Glutamine; Infusions, Intravenous; Kidney; Liver; Muscles; Nitrogen; Rats; Rats, Inbred Strains; Urea | 1988 |
Alterations of energy metabolism induced by hexadecane in mice.
Topics: 3-Hydroxybutyric Acid; Adipose Tissue; Adipose Tissue, Brown; Alkanes; Amino Acids; Ammonia; Animals; Blood Glucose; Body Weight; Diet; Energy Metabolism; Glycogen; Hydroxybutyrates; Lipids; Liver; Male; Mice; Muscles; Organ Size; Urea | 1989 |
Changes in urea cycle-related metabolites in the mouse after combined administration of valproic acid and an amino acid load.
Topics: Amino Acids; Ammonia; Animals; Carbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing); Citrulline; Glutamates; Glutamine; Liver; Mice; Ornithine; Urea; Valproic Acid | 1989 |
A comparison of the estimates of whole-body protein turnover in parenterally fed neonates obtained using three different end products.
Topics: Amino Acids; Ammonia; Carbon Dioxide; Energy Metabolism; Enteral Nutrition; Glycine; Humans; Infant, Newborn; Leucine; Proteins; Urea | 1989 |
Ornithine aminotransferase activity, liver ornithine concentration and acute ammonia intoxication.
Topics: Acetates; Administration, Oral; Ammonia; Animals; Arginine; Creatinine; Eflornithine; Female; Injections, Intraperitoneal; Liver; Mice; Ornithine; Ornithine-Oxo-Acid Transaminase; Orotic Acid; Transaminases; Urea | 1989 |
Total-body protein turnover in parenterally fed neonates: effects of energy source studied by using [15N]glycine and [1-13C]leucine.
Topics: Ammonia; Carbon Dioxide; Carbon Isotopes; Energy Intake; Energy Metabolism; Fat Emulsions, Intravenous; Glucose; Glycine; Humans; Infant, Newborn; Leucine; Nitrogen; Nitrogen Isotopes; Parenteral Nutrition; Proteins; Urea | 1989 |
Specific effects of fermentable carbohydrates on blood urea flux and ammonia absorption in the rat cecum.
Topics: Ammonia; Animals; Cecum; Dietary Carbohydrates; Dietary Fiber; Disaccharides; Fatty Acids, Volatile; Fermentation; Galactans; Intestinal Absorption; Lactulose; Male; Mannans; Organ Size; Pectins; Plant Gums; Polysaccharides; Rats; Rats, Inbred Strains; Starch; Urea | 1989 |
[The energy preservation requirement of growing pigs of different sexes fed normal and high protein diets. 4. Determination of parameters in the blood for estimating metabolic status].
Topics: Amino Acids; Ammonia; Animals; Blood Glucose; Cyclic AMP; Dietary Proteins; Energy Metabolism; Female; Glucose Tolerance Test; Insulin; Ketone Bodies; Male; Swine; Testosterone; Urea | 1989 |
Decrease in ureagenesis by partial hepatectomy does not influence acid-base balance.
Topics: Acid-Base Equilibrium; Ammonia; Animals; Bicarbonates; Female; Hepatectomy; Kinetics; Lactates; Liver; Nephrectomy; Rats; Rats, Inbred Strains; Reference Values; Sodium; Sodium Bicarbonate; Sodium Chloride; Urea | 1989 |
Enzymic urea assay: a new colorimetric method based on hydrogen peroxide measurement.
Topics: Adenosine Diphosphate; Adenosine Triphosphate; Aminopyrine; Ammonia; Colorimetry; Glutamate-Ammonia Ligase; Glutamates; Glutamic Acid; Horseradish Peroxidase; Humans; Hydrogen Peroxide; Kinetics; Pyruvate Kinase; Spectrophotometry; Urea; Urease | 1989 |
Functional hepatocyte heterogeneity. Vascular 2-oxoglutarate is almost exclusively taken up by perivenous, glutamine-synthetase-containing hepatocytes.
Topics: Ammonia; Animals; Biological Transport; Carbon Dioxide; Glutamate-Ammonia Ligase; Glutamine; Infusions, Intravenous; Ketoglutaric Acids; Liver; Rats; Rats, Inbred Strains; Urea | 1989 |
Ammonia metabolism during the suckling period in the rat.
Topics: Allantoin; Amino Acids; Ammonia; Animals; Animals, Suckling; Female; Male; Rats; Rats, Inbred Strains; Urea | 1989 |
Ammonia formation in the medicinal leech, Hirudo medicinalis--in vivo and in vitro investigations.
Topics: Amino Acids; Ammonia; Animals; Blood; Deamination; Digestion; Eating; Kanamycin; Leeches; Oxidation-Reduction; Time Factors; Urea | 1989 |
Ammonia production from uric acid, urea, and amino acids and its absorption from the ceca of the cockerel.
Topics: Amino Acids; Ammonia; Animals; Bacteria, Anaerobic; Cecum; Chickens; Intestinal Absorption; Male; Urea; Uric Acid | 1989 |
Protein and amino acid metabolism during early starvation as reflected by excretion of urea and methylhistidines.
Topics: Adult; Amino Acids; Ammonia; Blood Glucose; Blood Urea Nitrogen; Creatinine; Diet; Female; Histidine; Humans; Male; Methylhistidines; Muscles; Proteins; Starvation; Time Factors; Urea | 1989 |
Levels of milk urea, plasma constituents and rumen liquid ammonia in relation to the feeding of dairy cows during early lactation.
Topics: Ammonia; Animals; Cattle; Dietary Proteins; Female; Lactation; Milk; Pregnancy; Random Allocation; Rumen; Urea | 1989 |
Perturbations in nitrogen metabolism of brain and liver of rat following repeated benthiocarb administration.
Topics: Amino Acids; Aminohydrolases; Ammonia; Animals; Brain; Dose-Response Relationship, Drug; Glutamate Dehydrogenase; Liver; Male; Nitrogen; Peptide Hydrolases; Proteins; Rats; Rats, Inbred Strains; Thiocarbamates; Transaminases; Urea | 1989 |
Metabolic activity of microcarrier attached liver cells after intraperitoneal transplantation during severe liver insufficiency in the rat.
Topics: Alanine Transaminase; Ammonia; Animals; Blood Glucose; Caffeine; DNA; Electroencephalography; Evoked Potentials, Visual; Hepatectomy; Ischemia; Liver; Liver Diseases; Liver Transplantation; Male; Ornithine Decarboxylase; Rats; Rats, Inbred Strains; Thymidine Kinase; Urea | 1989 |
Effects of thermal stress and level of feed intake on portal plasma flow and net fluxes of metabolites in lactating Holstein cows.
Topics: Amino Acids; Ammonia; Animal Feed; Animals; Cattle; Eating; Female; Glucose; Hot Temperature; Lactation; Liver Circulation; Portal System; Pregnancy; Stress, Physiological; Urea | 1989 |
Effects of arginine-free diet on urea cycle enzymes in young and adult ferrets.
Topics: Ammonia; Animals; Arginine; Brain; Diet; Ferrets; Kidney; Liver; Male; Reference Values; Urea | 1989 |
Orotic acid overproduction in experimental cirrhosis of rats.
Topics: Ammonia; Animals; Carbon Tetrachloride; Liver; Liver Cirrhosis, Experimental; Male; Orotic Acid; Rats; Rats, Inbred Strains; Urea | 1989 |
Carbamyl glutamate prevents the potentiation of ammonia toxicity by sodium benzoate.
Topics: Ammonia; Animals; Benzoates; Benzoic Acid; Drug Synergism; Glutamates; Mice; Urea | 1989 |
Whole body protein turnover and resting metabolic rate in homozygous sickle cell disease.
Topics: Adult; Ammonia; Anemia, Sickle Cell; Energy Metabolism; Hemoglobin SC Disease; Hemoglobins; Humans; Male; Nitrogen; Proteins; Urea | 1989 |
A simple animal model of hyperammonemia.
Topics: Acetates; Ammonia; Animals; Citrulline; Disease Models, Animal; Glutamate Dehydrogenase; Liver; Male; Orotic Acid; Rats; Rats, Inbred Strains; Urea | 1989 |
[Hybrid bioartificial liver using canine hepatocytes in primary culture].
Topics: Albumins; Ammonia; Animals; Artificial Organs; Cells, Cultured; Collagen; Culture Media; Dogs; Glass; Gluconeogenesis; In Vitro Techniques; Liver; Urea | 1989 |
[15N] ammonium test for liver function diagnosis.
Topics: Ammonia; Ammonium Chloride; Female; Humans; Liver; Liver Diseases; Liver Function Tests; Male; Nitrogen Isotopes; Reference Values; Urea | 1989 |
Is increased ammonia liberation after bleeding in the digestive tract the consequence of complete absence of isoleucine in hemoglobin? A study in pigs.
Topics: Alanine; Ammonia; Animals; Blood Flow Velocity; Female; Gastrointestinal Hemorrhage; Glutamine; Hemoglobins; Intestinal Absorption; Intestine, Small; Isoleucine; Leucine; Liver Circulation; Regional Blood Flow; Swine; Urea; Valine | 1989 |
Influence of an inhibitor of monoaminooxidase (nialamide) on the serum levels, urinary excretion and plasma clearance of urea, uric acid and creatinine in adult and growing rats.
Topics: Age Factors; Ammonia; Animals; Creatinine; Monoamine Oxidase Inhibitors; Nialamide; Proteins; Rats; Rats, Inbred Strains; Urea; Uric Acid | 1989 |
Ammonia and urea dynamics in the Lake Magadi tilapia, a ureotelic teleost fish adapted to an extremely alkaline environment.
Topics: Acid-Base Equilibrium; Adaptation, Physiological; Alkalies; Ammonia; Animals; Feces; Fishes; Hydrogen-Ion Concentration; Kenya; Muscles; Time Factors; Urea; Water | 1989 |
Kinetics of nitrogen transfer across the rumen wall of sheep given a low-protein roughage.
Topics: Absorption; Ammonia; Animals; Blood Urea Nitrogen; Dietary Fiber; Dietary Proteins; Kinetics; Male; Nitrogen; Osmolar Concentration; Rumen; Sheep; Urea | 1986 |
Effect of thyroid hormones on urea biosynthesis and related processes in rat liver.
Topics: Amino Acids; Ammonia; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Cyclic AMP; Glucagon; Glutamates; Hyperthyroidism; Hypothyroidism; Iodide Peroxidase; Liver; Male; Ornithine Carbamoyltransferase; Rats; Rats, Inbred Strains; Thyroid Hormones; Thyroxine; Triiodothyronine; Urea | 1988 |
Glutamine metabolism in isolated perfused rat liver. The transamination pathway.
Topics: Alanine; Ammonia; Animals; Carrier Proteins; Cinnamates; Glutamates; Glutamic Acid; Glutaminase; Glutamine; Liver; Male; Methionine; Monocarboxylic Acid Transporters; Perfusion; Phenylpyruvic Acids; Rats; Rats, Inbred Strains; Transaminases; Urea | 1985 |
Functional hepatocyte heterogeneity in ammonia metabolism. The intercellular glutamine cycle.
Topics: Acid-Base Equilibrium; Ammonia; Animals; Bicarbonates; Glutamate-Ammonia Ligase; Glutamates; Glutamic Acid; Glutaminase; Glutamine; In Vitro Techniques; Liver; Male; Perfusion; Rats; Rats, Inbred Strains; Urea | 1985 |
[Mechanisms of ammonia binding in the heart muscle].
Topics: Alanine; Amino Acids; Ammonia; Animals; Aspartic Acid; Glutamates; Glutamic Acid; Glutamine; In Vitro Techniques; Male; Myocardial Infarction; Myocardium; Rats; Rats, Inbred Strains; Urea | 1985 |
[13N]Ammonia and L-[amide-13N]glutamine metabolism in glutaminase-sensitive and glutaminase-resistant murine tumors.
Topics: Amino Acids; Ammonia; Animals; Blood Volume; Drug Resistance; Female; gamma-Glutamyltransferase; Glutamate-Ammonia Ligase; Glutaminase; Glutamine; In Vitro Techniques; Liver; Mice; Sarcoma 180; Sarcoma, Experimental; Urea | 1985 |
[Characteristics of the amino acid spectrum of the blood of children with intellectual deficiency].
Topics: Amino Acids; Ammonia; Arginine; Aspartic Acid; Child; Female; Glutamates; Glutamic Acid; Humans; Intellectual Disability; Male; Movement Disorders; Polyamines; Syndrome; Urea | 1986 |
Valproate-induced inhibition of urea synthesis and hyperammonaemia in healthy subjects.
Topics: Adult; Ammonia; Female; Humans; Male; Middle Aged; Urea; Valproic Acid | 1986 |
Short-term metabolic fate of [13N]ammonia in rat liver in vivo.
Topics: Alanine Transaminase; Amino Acids; Ammonia; Animals; Aspartate Aminotransferases; Carbamyl Phosphate; Chromatography, High Pressure Liquid; Citrulline; Cytoplasm; Glutamate-Ammonia Ligase; Glutamates; Glutamic Acid; Hepatic Veins; Kinetics; Liver; Male; Mitochondria, Liver; Portal Vein; Rats; Rats, Inbred Strains; Urea | 1987 |
Regulation of hepatic ammonia metabolism: the intercellular glutamine cycle.
Topics: Ammonia; Animals; Extracellular Space; Glutamate-Ammonia Ligase; Glutamates; Glutamic Acid; Glutaminase; Glutamine; Hydrogen-Ion Concentration; Hydrolysis; Liver; Male; Rats; Rats, Inbred Strains; Urea | 1986 |
Regulation of hepatic glutamine metabolism.
Topics: Ammonia; Animals; Biological Transport; Cell Membrane; Glutamate-Ammonia Ligase; Glutaminase; Glutamine; Liver; Rats; Urea | 1986 |
Elevated glutamic acid values in a malnourished patient. A case report.
Topics: Ammonia; Aspartic Acid; Ethanolamines; Female; Glutamates; Glutamic Acid; Humans; Middle Aged; Nutrition Disorders; Pellagra; Proline; Urea | 1987 |
Structural-functional organization of hepatic glutamine and ammonium metabolism.
Topics: Ammonia; Animals; Glutamate-Ammonia Ligase; Glutaminase; Glutamine; Homeostasis; Liver; Models, Biological; Urea | 1987 |
Uricoteley:its nature and origin during the evolution of tetrapod vertebrates.
Topics: Ammonia; Animals; Biological Evolution; Gluconeogenesis; Glutamate-Ammonia Ligase; Liver; Urea; Uric Acid; Vertebrates | 1987 |
Conversion of ammonia to glutamate by L-glutamic dehydrogenase, alcohol dehydrogenase and NAD+ immobilized within lipid-polyamide polyethyleneimine microcapsules.
Topics: Alcohol Dehydrogenase; Ammonia; Capsules; Enzymes, Immobilized; Glutamate Dehydrogenase; Glutamates; Glutamic Acid; Humans; In Vitro Techniques; Lipids; NAD; Polyethyleneimine; Toxins, Biological; Urea; Uremia | 1987 |
Net portal-drained visceral and hepatic metabolism of glucose, L-lactate, and nitrogenous compounds in lactating holstein cows.
Topics: Ammonia; Animals; Cattle; Female; Glucose; Glutamates; Glutamic Acid; Glutamine; Lactates; Lactation; Liver; Nitrogen; Pregnancy; Urea | 1988 |
[Testing the effectiveness of a combination of glutamic and citric acid against the lethal effects of urea and ammonia in sheep].
Topics: Ammonia; Animals; Citrates; Citric Acid; Drug Therapy, Combination; Glutamates; Glutamic Acid; Sheep; Sheep Diseases; Urea | 1988 |
Rapid detoxification of infused ammonium by the anesthetized rat.
Topics: Amino Acids; Ammonia; AMP Deaminase; Anesthesia, General; Animals; Female; Glutamate Dehydrogenase; Glutamate-Ammonia Ligase; Inactivation, Metabolic; Kidney; Liver; Muscles; Rats; Rats, Inbred Strains; Urea | 1988 |
Increased neonatal urinary ammonia: a marker for in utero caloric deprivation?
Topics: Adult; Ammonia; Female; Fetal Growth Retardation; Humans; Infant, Newborn; Infant, Small for Gestational Age; Nutritional Status; Placenta Diseases; Placental Insufficiency; Pregnancy; Regression Analysis; Risk Factors; Urea | 1989 |
Channeling of urea cycle intermediates in situ in permeabilized hepatocytes.
Topics: Ammonia; Animals; Aspartic Acid; Bicarbonates; Cell Membrane Permeability; Liver; Ornithine; Rats; Urea | 1989 |
Plasma ammonia, plasma, brain and liver amino acids and urea cycle enzyme activities in rats fed ammonium acetate.
Topics: Acetates; Amino Acids; Ammonia; Animals; Brain; Diet; Liver; Male; Nitrogen; Nutritive Value; Rats; Rats, Inbred Strains; Urea | 1989 |
Comparative studies of nicotinohydroxamic acid and neomycin on ammonia and urea metabolism in rats.
Topics: Ammonia; Animals; Colon; Female; Neomycin; Niacinamide; Rats; Rats, Inbred Strains; Urea; Urease | 1985 |
[Cerebral edema with hyperammonemia in valpromide poisoning. Manifestation in an adult, of a partial deficit in type I carbamylphosphate synthetase].
Topics: Adult; Amino Acid Metabolism, Inborn Errors; Ammonia; Anticonvulsants; Brain Edema; Carbamoyl-Phosphate Synthase (Ammonia); Humans; Male; Suicide, Attempted; Urea; Valproic Acid | 1988 |
Polarography of cytochrome c in ammoniacal buffers containing cobalt ions. The effect of the protein conformation.
Topics: Ammonia; Animals; Buffers; Cobalt; Cytochrome c Group; Horses; Myocardium; Polarography; Protein Conformation; Urea | 1985 |
Porto-arterial plasma concentration differences of urea and ammonia-nitrogen in growing pigs given high- and low-fibre diets.
Topics: Ammonia; Animals; Arteries; Dietary Fiber; Nitrogen; Portal Vein; Swine; Urea | 1987 |
The effects of some protein-modifying reagents on the interaction of colicins A, E2, E3, and K with their respective Escherichia coli cell receptors.
Topics: Ammonia; Colicins; Dansyl Compounds; Escherichia coli; Escherichia coli Proteins; Ethanol; Formaldehyde; Hydrogen-Ion Concentration; Osmium Tetroxide; Propiolactone; Receptors, Cell Surface; Receptors, Immunologic; Urea | 1988 |
Evidence of inherited urea cycle defect in a case of fatal valproate toxicity.
Topics: Adult; Ammonia; Child; Child, Preschool; Female; Humans; Male; Metabolism, Inborn Errors; Middle Aged; Orotic Acid; Urea; Valproic Acid | 1986 |
Evidence for direct repression of nitrogenase by ammonia in the cyanobacterium Anabaena cylindrica.
Topics: Ammonia; Cyanobacteria; Enzyme Repression; Methionine Sulfoximine; Nitrogenase; Urea | 1986 |
Is urea formation regulated primarily by acid-base balance in vivo?
Topics: Acid-Base Equilibrium; Acidosis; Ammonia; Animals; Bicarbonates; Carbon Dioxide; Glutamine; Male; Nitrogen; Proteins; Rats; Urea | 1986 |
Effects of chronic uraemia on the formation of glucose and urea plus ammonia from L-alanine, L-glutamine and L-serine in isolated rat hepatocytes.
Topics: Acidosis; Alanine; Amino Acids; Ammonia; Animals; Gluconeogenesis; Glutaminase; Glutamine; In Vitro Techniques; L-Serine Dehydratase; Liver; Male; Phlorhizin; Rats; Rats, Inbred Strains; Serine; Urea; Uremia | 1986 |
Relationship of alterations in energy metabolism to hypophagia in rats treated with 2,3,7,8-tetrachlorodibenzo-p-dioxin.
Topics: Ammonia; Animals; Body Weight; Carbon Dioxide; Eating; Energy Metabolism; Feces; Male; Oxygen Consumption; Polychlorinated Dibenzodioxins; Rats; Rats, Inbred Strains; Respiration; Time Factors; Urea | 1986 |
Control of ammonia distribution ratio across the liver cell membrane and of ureogenesis by extracellular pH.
Topics: Acetazolamide; Ammonia; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Carbon Dioxide; Cell Membrane; Dimethadione; Hydrogen-Ion Concentration; In Vitro Techniques; Liver; Male; Methylamines; Mitochondria, Liver; Rats; Rats, Inbred Strains; Time Factors; Urea | 1986 |
[Postprandial exchange of urea and ammonia nitrogen between the digestive tract and portal blood in the conscious pig after ingestion of a diet with or without urea].
Topics: Ammonia; Animals; Diet; Digestive System; Eating; Intestinal Absorption; Kinetics; Nitrogen; Portal System; Swine; Urea | 1986 |
Body protein kinetics during perioperative intravenous nutritional support.
Topics: Aged; Ammonia; Creatinine; Energy Metabolism; Female; Homeostasis; Humans; Kinetics; Male; Methylhistidines; Middle Aged; Nitrogen; Oxygen Consumption; Parenteral Nutrition, Total; Postoperative Period; Preoperative Care; Proteins; Surgical Procedures, Operative; Urea | 1986 |
Waste nitrogen excretion via amino acid acylation: benzoate and phenylacetate in lysinuric protein intolerance.
Topics: Acylation; Alanine; Amino Acid Metabolism, Inborn Errors; Amino Acids; Ammonia; Benzoates; Benzoic Acid; Child; Child, Preschool; Creatinine; Glutamine; Hippurates; Humans; Lysine; Nitrogen; Orotic Acid; Phenylacetates; Urea | 1986 |
Metabolism of cysteine and cysteinesulfinate in rat and cat hepatocytes.
Topics: Ammonia; Animals; Carbon Dioxide; Cats; Cells, Cultured; Cysteine; Liver; Male; Neurotransmitter Agents; Rats; Rats, Inbred Strains; Taurine; Urea | 1987 |
Inhibitory effect of intravenous lysine infusion on urea cycle metabolism.
Topics: Adolescent; Amino Acids; Ammonia; Child; Citric Acid Cycle; Citrulline; Depression, Chemical; Female; Humans; Infusions, Intravenous; Lysine; Male; Orotic Acid; Putrescine; Urea | 1987 |
Hepatic capacity for ammonia removal in sheep.
Topics: Ammonia; Ammonium Chloride; Animals; Blood Flow Velocity; Female; Liver; Liver Circulation; Sheep; Urea | 1987 |
Permeability changes in hepatic mitochondria and altered glucose and urea metabolism in aroclor 1254-treated rats.
Topics: Ammonia; Animals; Antimycin A; Aroclors; Blood Glucose; Cell Membrane Permeability; Chlorodiphenyl (54% Chlorine); Gluconeogenesis; Glucose; Male; Mitochondria, Liver; Oxygen Consumption; Polychlorinated Biphenyls; Pyruvates; Pyruvic Acid; Rats; Rats, Inbred Strains; Urea | 1987 |
Hepatic detoxification and hepatic function in chronic active hepatitis with and without cirrhosis.
Topics: Ammonia; Female; Glucuronates; Glucuronic Acid; Hepatitis, Chronic; Humans; Inactivation, Metabolic; Indican; Liver; Liver Cirrhosis; Male; Middle Aged; Phenols; Urea | 1988 |
Paradoxical protection of both protein-free and high protein diets against acute ammonium intoxication.
Topics: Acetates; Ammonia; Animals; Brain; Dietary Proteins; Glutamine; Liver; Male; Muscles; Protein-Energy Malnutrition; Rats; Rats, Inbred Strains; Reference Values; Urea | 1988 |
Ammonia and glutamine metabolism in human liver slices: new aspects on the pathogenesis of hyperammonaemia in chronic liver disease.
Topics: Acetazolamide; Ammonia; Bicarbonates; Chronic Disease; Glutamine; Humans; Liver; Liver Diseases; Urea | 1988 |
Rapid sample throughput for biomedical stable isotope tracer studies.
Topics: Ammonia; Breath Tests; Carbon Dioxide; Carbon Isotopes; Glycine; Humans; Isotopes; Mass Spectrometry; Nitrogen; Nitrogen Isotopes; Urea | 1988 |
High ammonia levels in brain induce tubulin in cerebrum but not in cerebellum.
Topics: Ammonia; Animals; Brain; Cerebellum; Diet; Immunoblotting; Kinetics; Male; Quaternary Ammonium Compounds; Rats; Rats, Inbred Strains; Tissue Distribution; Tubulin; Urea | 1988 |
Acute ammonia intoxication 37 years after ureterosigmoidostomy.
Topics: Acute Disease; Adult; Ammonia; Colon, Sigmoid; Hepatic Encephalopathy; Humans; Magnetic Resonance Imaging; Male; Neomycin; Time Factors; Urea; Ureterostomy | 1988 |
Quantitative measurement of endogenous amino acid absorption in unanaesthetized pigs.
Topics: Amino Acids; Ammonia; Animals; Blood Flow Velocity; Carbohydrate Metabolism; Carbohydrates; Dietary Proteins; Dogs; Intestinal Absorption; Nitrogen; Swine; Urea | 1988 |
Control by pH of ureogenesis in isolated hepatocytes.
Topics: Ammonia; Animals; Hydrogen-Ion Concentration; In Vitro Techniques; Liver; Male; Rats; Rats, Inbred Strains; Urea | 1988 |
Porcine intestinal ammonia liberation. Influence of food intake, lactulose and neomycin treatment.
Topics: Alanine; Amino Acids; Ammonia; Animals; Blood Flow Velocity; Citrulline; Disaccharides; Eating; Female; Glutamates; Glutamine; Intestinal Mucosa; Lactulose; Neomycin; Swine; Urea | 1988 |
[Analysis of selected pesticides, nitrates, nitrites, ammonium ions and urea in surface and underground waters and in various agricultural products. V].
Topics: Ammonia; Food Contamination; Insecticides; Nitrates; Nitrites; Poland; Solanum tuberosum; Urea; Water Pollutants; Water Pollutants, Chemical | 1988 |
Dynamic relationship between urea and glutamine synthesis in the mechanism of ammonia detoxication: a tracer study using 15NH4Cl in fulminant hepatic failure rats.
Topics: Ammonia; Ammonium Chloride; Animals; Blood Urea Nitrogen; Chemical and Drug Induced Liver Injury; Galactosamine; Glutamine; Liver Diseases; Male; Nitrogen Isotopes; Rats; Rats, Inbred Strains; Urea | 1988 |
Effect of ammonia on the gastric mucosa in rats: pathophysiological importance of urease in gastric ulcer disease.
Topics: Ammonia; Animals; Gastric Mucosa; Male; Rats; Rats, Inbred Strains; Stomach Ulcer; Urea; Urease | 1988 |
Medical applications of artificial cells in transfusion, phenylketonuria, essential amino acid production, and liver support.
Topics: Amino Acids, Essential; Ammonia; Artificial Organs; Biomedical Engineering; Blood Substitutes; Blood Transfusion; Catalase; Cells, Cultured; Hemoglobins; Humans; Liver Diseases; Phenylketonurias; Urea | 1988 |
Postmortem changes of blood urea, creatinine, non-protein nitrogen, uric acid & ammonia levels in rabbit.
Topics: Ammonia; Animals; Creatinine; Nitrogen; Postmortem Changes; Rabbits; Time Factors; Urea; Uric Acid | 1988 |
Reference values for analytes of 24-h urine collections known to be complete.
Topics: 4-Aminobenzoic Acid; Adult; Ammonia; Creatinine; Humans; Hydrogen-Ion Concentration; Male; Nitrogen; Potassium; Reference Values; Sodium; Urea; Urine | 1988 |
[Postaggression metabolism following laparotomy and thoracotomy].
Topics: Abdominal Neoplasms; Adult; Aged; Aged, 80 and over; Amino Acids; Ammonia; Blood Glucose; Fatty Acids, Nonesterified; Female; Humans; Hydrocortisone; Hyperglycemia; Insulin; Lactates; Lactic Acid; Male; Middle Aged; Postoperative Complications; Thoracic Neoplasms; Urea | 1988 |
Effects on plasma insulin of intermittent infusions of propionic acid, glucose or casein into the alimentary tract of non-lactating cows maintained on a liquid diet.
Topics: Abomasum; Ammonia; Animals; Blood Glucose; Caseins; Cattle; Fatty Acids, Volatile; Female; Glucose; Infusions, Parenteral; Injections; Insulin; Nitrogen; Propionates; Rumen; Urea | 1987 |
The relationship between urea and pyrimidine de novo synthesis in ruminant liver.
Topics: Amino Acids; Ammonia; Animals; Biological Transport; Female; Liver; Orotic Acid; Pyrimidines; Sheep; Urea | 1988 |
Mitochondrial urea cycle enzymes in rats treated with sodium benzoate.
Topics: Acetyltransferases; Amino-Acid N-Acetyltransferase; Ammonia; Animals; Benzoates; Benzoic Acid; Carbamoyl-Phosphate Synthase (Ammonia); Hippurates; Kinetics; Ligases; Male; Mitochondria, Liver; Ornithine Carbamoyltransferase; Rats; Rats, Inbred Strains; Urea; Urease | 1988 |
Control by pH of urea synthesis in isolated rat hepatocytes.
Topics: Amino Acids; Ammonia; Animals; Biological Transport; Carbonic Anhydrase Inhibitors; Cell Membrane; Cells, Cultured; Hydrogen-Ion Concentration; Liver; Male; Rats; Rats, Inbred Strains; Urea | 1988 |
Protective effect of long term ammonium ingestion against acute ammonium intoxication.
Topics: Acute Disease; Ammonia; Animals; Drug Tolerance; Male; Rats; Rats, Inbred Strains; Urea | 1988 |
Maternal-fetal relationship in ammonia metabolism during late gestation in the rat.
Topics: Alanine; Allantoin; Ammonia; Amniotic Fluid; Animals; Female; Fetal Blood; Glutamates; Glutamine; Maternal-Fetal Exchange; Pregnancy; Pregnancy, Animal; Rats; Rats, Inbred Strains; Urea | 1988 |
Ammonia production from amino acids and urea in the caecal contents of the chicken.
Topics: Amino Acids; Ammonia; Animals; Cecum; Chickens; Gastrointestinal Contents; Nitrogen Isotopes; Urea | 1988 |
Methods of increasing the nutritional value of straw when used as a food for goats, sheep, cattle and buffaloes: dissertation review III.
Topics: Ammonia; Animal Feed; Animals; Buffaloes; Cattle; Edible Grain; Goats; Nutritive Value; Plant Proteins; Sheep; Sodium Hydroxide; Species Specificity; Urea | 1988 |
Recovery from metabolic acidosis is a function of renal NH+4 loss: agreement between two models.
Topics: Acidosis; Ammonia; Animals; Glutamine; Hydrogen-Ion Concentration; Kidney; Rats; Urea | 1987 |
Conversion of urea or ammonia into essential amino acids (L-leucine, L-valine, and L-isoleucine) using multienzyme systems and NADH-dextran immobilised in artificial cells.
Topics: Amino Acids, Essential; Ammonia; Capsules; Cells; Enzymes, Immobilized; In Vitro Techniques; Liver Diseases; Membranes, Artificial; Multienzyme Complexes; Urea | 1987 |
In-vitro urea-dependent pH-changes by human salivary bacteria and dispersed, artificial-mouth, bacterial plaques.
Topics: Ammonia; Bacteria; Buffers; Dental Plaque; Humans; Hydrogen-Ion Concentration; Models, Biological; Saliva; Urea | 1987 |
Role of glutamine in adaptations in nitrogen metabolism during fasting.
Topics: Alanine; Ammonia; Animals; Blood Glucose; Dogs; Fasting; Female; Glucagon; Glutamine; Insulin; Intestinal Mucosa; Intestines; Kidney; Kinetics; Liver; Male; Muscles; Nitrogen; Urea | 1986 |
[Quantitative measurement of postprandial exchanges of urea and ammonia nitrogen between the digestive tract and portal blood in the pig].
Topics: Ammonia; Animals; Digestion; Intestinal Mucosa; Portal Vein; Swine; Urea | 1986 |
Endotoxin-induced changes in nitrogen metabolism.
Topics: Amino Acids; Ammonia; Animals; Blood Glucose; Endotoxins; Escherichia coli; Lactates; Liver; Male; Nitrogen; Nucleotides; Rats; Rats, Inbred Strains; Urea | 1986 |
Maintenance nitrogen requirements and intestinal microorganisms in rats.
Topics: Amino Acids; Ammonia; Animals; Anti-Bacterial Agents; Cecum; Enterobacteriaceae; Intestines; Male; Nitrogen; Nutritional Requirements; Rats; Rats, Inbred Strains; Urea | 1987 |
15N-NMR studies of Methanobacterium thermoautotrophicum: comparison of assimilation of different nitrogen sources.
Topics: Amino Acids; Ammonia; Euryarchaeota; Glutamine; Magnetic Resonance Spectroscopy; Nitrogen; Urea | 1987 |
Abstracts of the 6th International Symposium on Ammonia--Advances in Hepatic Encephalopathy and Urea Cycle Diseases. The Netherlands, 27-29 April, 1987.
Topics: Ammonia; Animals; Hepatic Encephalopathy; Humans; Urea | 1987 |
[Role of gastric luminal ammonia in the pathogenesis of gastric mucosal lesions in subjects with chronic renal failure].
Topics: Ammonia; Animals; Gastric Juice; Gastric Mucosa; Humans; Kidney Failure, Chronic; Rats; Urea; Urease | 1987 |
Urea and glucose formation in ovine liver after ammonia and lactate loading in vivo.
Topics: Ammonia; Ammonium Chloride; Animals; Blood Glucose; Glucose; Lactates; Liver; Sheep; Urea | 1987 |
The potentiation of ammonia toxicity by sodium benzoate is prevented by L-carnitine.
Topics: Ammonia; Animals; Benzoates; Benzoic Acid; Carnitine; Drug Synergism; Glutamates; Male; Mice; Mitochondria, Liver; Urea | 1987 |
Effect of extract from rhei rhizoma on dietary hyperazotemia in rats.
Topics: Amino Acids; Ammonia; Animals; Blood Urea Nitrogen; Male; Plant Extracts; Plants, Medicinal; Rats; Rats, Inbred Strains; Rheum; Urea; Uremia | 1987 |
Ammonium, urea, and systemic pH regulation.
Topics: Ammonia; Animals; Humans; Hydrogen-Ion Concentration; Urea | 1987 |
Kinetics of urea hydrolysis and binding of ammonia to wheat straw during ammoniation by urea.
Topics: Ammonia; Animal Feed; Hydrolysis; Kinetics; Triticum; Urea | 1987 |
Nitrogen in fecal bacterial, fiber, and soluble fractions of patients with cirrhosis: effects of lactulose and lactulose plus neomycin.
Topics: Aged; Ammonia; Bacteria; Disaccharides; Feces; Gastrointestinal Motility; Humans; Lactulose; Male; Middle Aged; Neomycin; Nitrogen; Urea | 1987 |
Whole-body protein turnover in man determined in three hours with oral or intravenous 15N-glycine and enrichment in urinary ammonia.
Topics: Adult; Ammonia; Dietary Proteins; Glycine; Humans; Kinetics; Male; Nitrogen; Nitrogen Isotopes; Proteins; Urea | 1987 |
Effect of adenosine and inosine on ureagenesis in hepatocytes.
Topics: Adenosine; Ammonia; Animals; Dose-Response Relationship, Drug; Epinephrine; Glucagon; In Vitro Techniques; Inosine; Liver; Male; Rats; Rats, Inbred Strains; Stimulation, Chemical; Urea | 1987 |
Effect of L-carnitine on ketone bodies, redox state and free amino acids in the liver of hyperammonemic mice.
Topics: Acetates; Amino Acids; Ammonia; Animals; Carnitine; Ketone Bodies; Liver; Male; Mice; NAD; Oxidation-Reduction; Urea | 1987 |
Uric acid and urea in relation to protein catabolism in long-term fasting geese.
Topics: Ammonia; Animals; Body Weight; Fasting; Female; Geese; Kinetics; Male; Nitrogen; Proteins; Urea; Uric Acid | 1987 |
Effect of improved hydrogen supply on energy state, ureogenesis and gluconeogenesis in isolated hepatocytes.
Topics: Adenosine Diphosphate; Adenosine Triphosphate; Ammonia; Animals; Caprylates; Carbonyl Cyanide p-Trifluoromethoxyphenylhydrazone; Energy Metabolism; Gluconeogenesis; Hydrogen; Lactates; Lactic Acid; Liver; Ornithine; Phenazines; Urea | 1986 |
Uptake and transport of nonprotein nitrogen by the ruminant gut.
Topics: Ammonia; Animals; Biological Transport; Cattle; Female; Goats; Intestinal Absorption; Intestinal Mucosa; Intestines; Male; Models, Biological; Nitrogen; Nucleic Acids; Portal System; Rumen; Sheep; Urea | 1986 |
Control of urea production, glutamine release and ammonia uptake in the perfused rat liver by the sympathetic innervation.
Topics: Ammonia; Animals; Electric Stimulation; Glucagon; Glucose; Glutamine; Hemodynamics; Liver; Male; Nitroprusside; Norepinephrine; Perfusion; Phentolamine; Rats; Rats, Inbred Strains; Sympathetic Nervous System; Urea | 1986 |
Liquid chromatographic determination of urea and ammonia in body fluids using a post-column enzymatic reactor.
Topics: Ammonia; Body Fluids; Chromatography, Liquid; Humans; Urea | 1986 |
Intestinal ammonia metabolism in ethanolic rats.
Topics: Ammonia; Animals; Energy Metabolism; Ethanol; Intestine, Small; Male; Rats; Rats, Inbred Strains; Urea | 1986 |
Some attempts to improve the nutritive value of urea for dairy cows. 3. Its adjunction to fermentable carbohydrates: starea.
Topics: Ammonia; Animal Feed; Animals; Cattle; Dietary Carbohydrates; Digestion; Female; Fermentation; Food, Fortified; Lactation; Milk; Nutritive Value; Rumen; Silage; Urea | 1986 |
Digestibility and utilization of ammonia-treated and urea-supplemented peanut skin diets fed to cattle.
Topics: Ammonia; Animal Feed; Animals; Arachis; Cattle; Diet; Female; Male; Urea | 1986 |
Failure of weight training to affect urinary indices of protein metabolism in men.
Topics: Adult; Ammonia; Creatinine; Humans; Male; Methylhistidines; Nitrogen; Proteinuria; Sports; Urea; Weight Lifting | 1986 |
Effects of urea phosphate, ammonium ions and pH on Ureaplasma ATP synthesis.
Topics: Adenosine Triphosphate; Ammonia; Hydrogen-Ion Concentration; Hydrolysis; Phosphates; Urea; Ureaplasma | 1986 |
Interpretation of the urine electrolytes and osmolality in the regulation of body fluid tonicity.
Topics: Ammonia; Body Fluids; Chlorides; Electrolytes; Extracellular Space; Homeostasis; Humans; Intracellular Fluid; Kidney; Osmolar Concentration; Potassium; Sodium; Urea | 1986 |
Urea and ammonia in urine and plasma of fed-mid-pregnant rats.
Topics: Ammonia; Animals; Female; Gestational Age; Pregnancy; Pregnancy, Animal; Rats; Rats, Inbred Strains; Urea | 1986 |
Physiological and metabolic changes associated with weaning in the tammar wallaby, Macropus eugenii.
Topics: Ammonia; Animal Nutritional Physiological Phenomena; Animals; Blood Glucose; Female; Gluconeogenesis; Glycogen; Glycolysis; Hexokinase; Hydrogen-Ion Concentration; Liver; Macropodidae; Marsupialia; Organ Size; Ornithine; Phosphoenolpyruvate Carboxykinase (GTP); Pyruvate Kinase; Urea; Urine; Weaning | 1986 |
Regulation of urea synthesis by acid-base balance in vivo: role of NH3 concentration.
Topics: Acid-Base Equilibrium; Ammonia; Ammonium Chloride; Animals; Bicarbonates; Hydrogen-Ion Concentration; Male; Osmolar Concentration; Rats; Rats, Inbred Strains; Urea | 1987 |
Urea synthesis in freshly isolated and in cultured periportal and perivenous hepatocytes.
Topics: Amino Acids; Ammonia; Animals; Cell Separation; Cells, Cultured; In Vitro Techniques; Liver; Proteins; Rats; Urea | 1986 |
Metabolic consequences of methyl parathion exposure in the bivalve, Lamellidens marginalis (Lamarck).
Topics: Ammonia; AMP Deaminase; Animals; Bivalvia; Glutamate Dehydrogenase; Glutamine; Lactates; Methyl Parathion; Muscles; Parathion; Tissue Distribution; Urea | 1987 |
Effect of partial ornithine carbamoyltransferase deficiency on urea synthesis and related biochemical events.
Topics: Alanine; Ammonia; Child; Female; Humans; Kinetics; Male; Ornithine Carbamoyltransferase Deficiency Disease; Orotic Acid; Urea | 1987 |
Urea synthesis from ammonia in periportal and pericentral regions of the liver lobule. Effect of oxygen.
Topics: Ammonia; Animals; Female; Liver; NADP; Oxygen; Oxygen Consumption; Perfusion; Rats; Rats, Inbred Strains; Spectrometry, Fluorescence; Urea | 1987 |
The effect of tri-iodothyronine (T3) on protein turnover and metabolic rate.
Topics: Adult; Ammonia; Body Weight; Creatinine; Diet Therapy; Female; Humans; Metabolism; Obesity; Triiodothyronine; Urea | 1985 |
Arginine and disease states.
Topics: Ammonia; Animals; Arginine; Blood Glucose; Humans; Insulin; Lipid Metabolism; Liver Diseases; Male; Nutritional Requirements; Orotic Acid; Retinal Degeneration; Reye Syndrome; Spermatogenesis; Urea | 1985 |
Ring cleavage and degradative pathway of cyanuric acid in bacteria.
Topics: Ammonia; Biuret; Chemical Phenomena; Chemistry; Chromatography, DEAE-Cellulose; Klebsiella pneumoniae; Pseudomonas; Triazines; Urea | 1985 |
Apparent compartmentation of body nitrogen in one human subject: its consequences in measuring the rate of whole-body protein synthesis with 15N.
Topics: Adult; Alanine; Ammonia; Aspartic Acid; Dietary Proteins; Fungal Proteins; Glutamates; Glutamine; Glycine; Humans; Leucine; Lysine; Male; Nitrogen; Protein Biosynthesis; Saccharomyces cerevisiae; Urea | 1985 |
Influence of lysine on urea cycle activity and orotate formation in the isolated perfused rat liver.
Topics: Ammonia; Animals; In Vitro Techniques; Kinetics; Liver; Lysine; Male; Ornithine; Orotic Acid; Perfusion; Rats; Rats, Inbred Strains; Urea | 1985 |
Disorders of the urea cycle.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Argininosuccinate Synthase; Argininosuccinic Acid; Carbamoyl-Phosphate Synthase (Ammonia); Humans; Hyperargininemia; Infant, Newborn; Ornithine Carbamoyltransferase Deficiency Disease; Urea | 1985 |
Hepatic urea synthesis and pH regulation. Role of CO2, HCO3-, pH and the activity of carbonic anhydrase.
Topics: Acetazolamide; Acid-Base Equilibrium; Ammonia; Animals; Carbon Dioxide; Carbonates; Carbonic Anhydrases; Hydrogen-Ion Concentration; Liver; Male; Rats; Rats, Inbred Strains; Urea | 1985 |
Liver pathology in a new congenital disorder of urea synthesis: N-acetylglutamate synthetase deficiency.
Topics: Acetyltransferases; Amino-Acid N-Acetyltransferase; Ammonia; Humans; Infant, Newborn; Liver; Male; Metabolism, Inborn Errors; Microscopy, Electron; Urea | 1985 |
Kinetics and product stoichiometry of ureolysis by human salivary bacteria and artificial mouth plaques.
Topics: Ammonia; Animals; Bacteria; Carbon Dioxide; Cattle; Cell Fractionation; Dental Plaque; Humans; Hydroxamic Acids; In Vitro Techniques; Kinetics; Saliva; Time Factors; Urea | 1985 |
Biochemical and morphological characteristics of a mouse model of Reye's syndrome induced by the interaction of influenza B virus and a chemical emulsifier.
Topics: Ammonia; Animals; Animals, Suckling; Disease Models, Animal; Emulsions; Female; Influenza B virus; Liver; Male; Mice; Microscopy, Electron; Mitochondria, Liver; Organic Chemicals; Ornithine Carbamoyltransferase; Reye Syndrome; Urea | 1986 |
Propionate and butyrate metabolism in rat or sheep hepatocytes.
Topics: Ammonia; Animals; Butyrates; Glucose; Kinetics; Liver; Male; Oleic Acid; Oleic Acids; Propionates; Rats; Rats, Inbred Strains; Sheep; Species Specificity; Urea | 1986 |
[Inborn metabolic errors due to disorders in the urea synthesis cycle].
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Child; Female; Humans; Male; Urea | 1986 |
Etiologic factors in diaper dermatitis: the role of urine.
Topics: Ammonia; Animals; Diaper Rash; Feces; Hydrogen-Ion Concentration; Male; Mice; Mice, Hairless; Permeability; Skin Absorption; Skin Tests; Urea | 1986 |
Regulation of interorganal glutamine flow in metabolic acidosis.
Topics: Acid-Base Equilibrium; Acidosis; Ammonia; Animals; Biological Transport, Active; Blood Urea Nitrogen; Glutamine; Homeostasis; Kidney; Liver; Male; Mathematics; Rats; Rats, Inbred Strains; Urea | 1986 |
The contribution of endogenous urea to faecal ammonia in man, determined by 15N labelling of plasma urea.
Topics: Adult; Ammonia; Feces; Humans; Male; Middle Aged; Nitrogen; Nitrogen Isotopes; Saliva; Serum Albumin; Urea | 1985 |
[Ammonia metabolism of liver of the fetus induced experimental IUGR in rats--in respect of the enzymes in pyrimidin biosynthesis and urea cycle system].
Topics: Ammonia; Animals; Aspartate Carbamoyltransferase; Carbamoyl-Phosphate Synthase (Ammonia); Carbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing); Female; Fetal Growth Retardation; Liver; Pregnancy; Pyrimidines; Rats; Urea | 1985 |
Metabolic role of urea cycle intermediates: nutritional and clinical aspects. Introduction.
Topics: Ammonia; Animals; Arginine; Body Weight; Citrulline; Intestine, Small; Kidney; Liver; Nutritional Physiological Phenomena; Ornithine; Proline; Rats; Urea | 1985 |
Metabolic aberrations associated with arginine deficiency.
Topics: Ammonia; Animals; Arginine; Citrates; Citric Acid; Diet; Humans; Lipid Metabolism; Liver; Orotic Acid; Purines; Pyrimidines; Urea | 1985 |
Acute and chronic effects of carbamyl glutamate on blood urea and ammonia.
Topics: Ammonia; Animals; Glutamates; Male; Mice; Rats; Rats, Inbred Strains; Time Factors; Urea | 1985 |
Carbamoyl-phosphate synthetase I activity and ureagenesis in regenerating liver of the normal rat.
Topics: Ammonia; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Ligases; Liver; Liver Regeneration; Male; Orotic Acid; Rats; Rats, Inbred Strains; Urea | 1985 |
Nitrogen metabolism by the microbial flora of the rabbit caecum.
Topics: Ammonia; Animals; Bacteria; Cecum; Nitrogen; Rabbits; Urea; Urease | 1985 |
[Chronic effect of mild ammonia pollution on lung function].
Topics: Air Pollutants, Occupational; Ammonia; Dust; Female; Humans; Lung; Male; Respiratory Function Tests; Smoking; Urea | 1985 |
Interrelationships and metabolic effects of fatty acids in the perfused rat liver at hyperthermic temperatures.
Topics: Acetates; Acetic Acid; Ammonia; Animals; Caprylates; Fasting; Fatty Acids, Nonesterified; Gluconeogenesis; Hot Temperature; Ketone Bodies; Lactates; Liver; Male; Palmitic Acid; Palmitic Acids; Pyruvates; Rats; Rats, Inbred Strains; Urea | 1985 |
Utilization by sheep of whole shelled corn impregnated with urea, calcium, potassium and sulfur.
Topics: Acetates; Acetic Acid; Ammonia; Animal Feed; Animals; Blood Proteins; Blood Urea Nitrogen; Calcium Chloride; Digestion; Fatty Acids, Volatile; Food Additives; Hydrogen-Ion Concentration; Male; Nitrogen; Rumen; Serum Albumin; Sheep; Thiosulfates; Urea; Zea mays | 1985 |
Comparative effects of protein, protein hydrolysate and amino acid diets on nitrogen metabolism of normal, protein-deficient, gastrectomized or hepatectomized rats.
Topics: Amino Acids; Ammonia; Animals; Blood Proteins; Body Weight; Dietary Proteins; Gastrectomy; Gastric Mucosa; Hematocrit; Hemoglobins; Hepatectomy; Liver; Male; Nitrogen; Protein Deficiency; Protein Hydrolysates; Rats; Rats, Inbred Strains; Serum Albumin; Stomach; Urea | 1985 |
Differentiation of transient hyperammonemia of the newborn and urea cycle enzyme defects by clinical presentation.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Apgar Score; Argininosuccinate Synthase; Argininosuccinic Aciduria; Birth Weight; Carbamoyl-Phosphate Synthase (Ammonia); Central Nervous System Diseases; Diagnosis, Differential; Female; Gestational Age; Humans; Infant, Newborn; Male; Ornithine Carbamoyltransferase Deficiency Disease; Respiratory Distress Syndrome, Newborn; Urea | 1985 |
Nitrogen digestion and metabolism in sheep consuming diets containing contrasting forms and levels of N.
Topics: Absorption; Ammonia; Animals; Diet; Digestion; Gastric Emptying; Kinetics; Male; Nitrogen; Poaceae; Rumen; Sheep; Silage; Urea | 1985 |
Ammonia-nitrogen turnover in the rabbit caecum and exchange with plasma urea-N.
Topics: Ammonia; Ammonium Chloride; Animals; Cecum; Ion Exchange; Kinetics; Models, Biological; Nitrogen; Nitrogen Isotopes; Rabbits; Urea | 1985 |
Utilization of urea nitrogen in Papua New Guinea highlanders.
Topics: Adult; Altitude; Ammonia; Blood Proteins; Body Height; Body Weight; Dietary Proteins; Feces; Humans; Male; New Guinea; Nitrogen; Urea | 1985 |
Amine production by Leishmania mexicana.
Topics: Amines; Ammonia; Animals; Culture Media; Leishmania mexicana; Putrescine; Spermidine; Spermine; Time Factors; Urea | 1985 |
Free amino acid pattern in blue mussel (Mytilus edulis) exposed to crude oil.
Topics: Amino Acids; Ammonia; Animals; Bivalvia; Finland; Gills; Ornithine; Petroleum; Proteins; Time Factors; Urea; Water Pollutants; Water Pollutants, Chemical | 1985 |
[Hepatic ammonium detoxification].
Topics: Ammonia; Glutamine; Humans; Liver; Urea | 1985 |
Successful treatment of hepatic coma by a new artificial liver device in the pig.
Topics: Adenine Nucleotides; Ammonia; Animals; Artificial Organs; Female; Hemoperfusion; Hepatic Encephalopathy; Liver; Male; Swine; Urea | 1985 |
Nitrate biosynthesis in the rat. Precursor-product relationships with respect to ammonia.
Topics: Ammonia; Animals; Male; Nitrates; Nitrogen Radioisotopes; Rats; Rats, Inbred Strains; Urea | 1985 |
Transient hyperammonemia during aging in ornithine transcarbamylase-deficient, sparse-fur mice.
Topics: Aging; Ammonia; Animals; Body Weight; Disease Models, Animal; Hair; Liver; Mice; Mice, Mutant Strains; Ornithine Carbamoyltransferase; Ornithine Carbamoyltransferase Deficiency Disease; Orotic Acid; Urea | 1985 |
[Enzymatic disturbances in the urea cycle].
Topics: Adolescent; Amino Acid Metabolism, Inborn Errors; Amino Acids; Ammonia; Child; Child, Preschool; Citric Acid Cycle; Developmental Disabilities; Enzyme Repression; Female; Humans; Infant; Infant, Newborn; Intellectual Disability; Male; Urea | 1969 |
[Enzyme induction and metabolic regulation in mycobacteria. The influence of carbon sources on the hydrolysis of amides in M. smegmatis].
Topics: Amides; Amidohydrolases; Ammonia; Arylformamidase; Enzyme Induction; Formamides; Glucose; Glycerol; Mycobacterium; Propionates; Urea | 1970 |
Transport of urea and ammonia production in the human colon.
Topics: Adult; Ammonia; Biological Transport; Colon; Diffusion; Female; Humans; Hydrogen-Ion Concentration; Hydrolysis; Intestinal Mucosa; Neomycin; Rectum; Urea; Urease | 1971 |
Urea metabolism in man.
Topics: Ammonia; Colon; Humans; Urea | 1971 |
[Physiopathological and clinical significance of the most important laboratory findings in hepatitis and cirrhosis].
Topics: Alanine Transaminase; Ammonia; Aspartate Aminotransferases; Bilirubin; Biopsy; Blood Proteins; gamma-Globulins; Hepatic Encephalopathy; Hepatitis; Humans; Hydrogen-Ion Concentration; Lactates; Liver Cirrhosis; Potassium; Pyruvates; Serum Albumin; Urea | 1970 |
Editorial: Encephalopathy and fatty degeneration of viscera.
Topics: Age Factors; Ammonia; Arginine; Brain Diseases; Chickenpox; Child; Fatty Liver; Humans; Influenza, Human; Ornithine; Orthomyxoviridae; Reye Syndrome; Transaminases; Urea | 1974 |
Reye's syndrome due to a novel protein-tolerant variant of ornithine-transcarbamylase deficiency.
Topics: Ammonia; Brain Diseases; Child; Fatty Liver; Female; Hepatic Encephalopathy; Humans; Kinetics; Liver; Metabolism, Inborn Errors; Ornithine; Ornithine Carbamoyltransferase; Prothrombin Time; Reye Syndrome; Urea | 1974 |
Comparative studies on glutamine, serine, and glycine metabolisms in ureotelic and uricotelic animals.
Topics: Ammonia; Animals; Carbon Dioxide; Carbon Isotopes; Chickens; Columbidae; Dietary Proteins; Glucose; Glutamate-Ammonia Ligase; Glutamates; Glutaminase; Glutamine; Glycine; Humans; L-Serine Dehydratase; Liver; Male; Pentosyltransferases; Quail; Rats; Serine; Transferases; Urea; Uric Acid | 1973 |
Nitrogen excretion in the larvae of a land-nesting frog (Leptodactylus bufonius).
Topics: Ammonia; Animals; Anura; Ecology; Larva; Metamorphosis, Biological; Nitrogen; Photometry; Potassium; Sodium; Sodium Chloride; Time Factors; Urea | 1973 |
[Automation technics in microbial titrations].
Topics: Adenosine Triphosphate; Amino Acids; Ammonia; Animals; Autoanalysis; Bacteria; Bacteriological Techniques; Cattle; Cell Count; Computers; Electronics; Factor Analysis, Statistical; Fatty Acids; Glycolysis; L-Lactate Dehydrogenase; Lactates; Luminescent Measurements; Methods; Microbiology; Milk; Pyruvates; Urea | 1972 |
Growth and metabolism of rats fed nonprotein nitrogen diets supplemented with nicotinamide, succinate and pyridoxine.
Topics: Acetates; Amino Acids; Ammonia; Animal Nutritional Physiological Phenomena; Animals; Blood Glucose; Body Weight; Cytochrome Reductases; Intestinal Mucosa; Isocitrate Dehydrogenase; Liver; Male; Niacinamide; Nitrogen; Organ Size; Pyridoxine; Pyruvate Kinase; Quaternary Ammonium Compounds; Rats; Sodium; Succinates; Tyrosine Transaminase; Urea | 1973 |
Utilization of dietary urea by the kangaroo island wallaby Protemnodon eugenii (Desmarest).
Topics: Ammonia; Animals; Body Weight; Caseins; Diet; Drinking; Feces; Male; Marsupialia; Nitrogen; Urea | 1973 |
Biochemical responses elicited in normal or prolactin-treated Xenopus laevis (Daudin) specimens by environmental changes.
Topics: Adaptation, Physiological; Alkaline Phosphatase; Ammonia; Animals; Arginase; Environment; Female; Fresh Water; Intestine, Small; Liver; Male; Muscles; Ornithine Carbamoyltransferase; Potassium; Prolactin; Sodium; Urea; Xenopus | 1974 |
Seasonal effects of dehydration in air on urea production in the frog Rana pipiens.
Topics: Ammonia; Animals; Anura; Dehydration; Mathematics; Osmotic Pressure; Rana pipiens; Seasons; Time Factors; Urea; Vasopressins | 1974 |
Establishment of a clonal strain of hepatoma cells which maintain in culture the five enzymes of the urea cycle.
Topics: Ammonia; Animals; Arginase; Arginine; Bucladesine; Carbamates; Carcinoma, Hepatocellular; Chromosomes; Clone Cells; Epithelium; Glucagon; Hydrocortisone; Ligases; Liver Neoplasms; Lyases; Microscopy, Phase-Contrast; Neoplasms, Experimental; Organophosphorus Compounds; Ornithine Carbamoyltransferase; Phosphotransferases; Rats; Succinates; Time Factors; Tyrosine Transaminase; Urea | 1974 |
The regulation of glutamine metabolism in Candida utilis: the role of glutamine in the control of glutamine synthetase.
Topics: Alanine; Ammonia; Aspartic Acid; Candida; Culture Media; Enzyme Repression; Glutamate Dehydrogenase; Glutamate-Ammonia Ligase; Glutamates; Glutamine; Glycine; Urea | 1974 |
[Nitrogen and carbohydrate-phosphate metabolism in the brain of warm-blooded animals during hypothermia and hibernation].
Topics: Adenosine Triphosphate; Ammonia; Animals; Aspartic Acid; Brain; Cold Temperature; gamma-Aminobutyric Acid; Glucose; Glutamates; Glutamine; Hibernation; Lactates; Phosphates; Phosphocreatine; Sciuridae; Urea | 1972 |
Nitrogen excretion by the fresh water pulmonate snail, Lymnaea stagnalis jugularis Say.
Topics: Ammonia; Animals; Body Weight; Fresh Water; Lymnaea; Nitrogen; Penicillins; Streptomycin; Time Factors; Urea | 1974 |
Mechanisms for the formation of alanine and aspartate on rat liver in vivo after administration of ammonium chloride.
Topics: Alanine; Alanine Transaminase; Ammonia; Ammonium Chloride; Animals; Arginine; Aspartic Acid; Centrifugation; Cycloserine; Ketoglutaric Acids; Liver; Male; NAD; NADP; Rats; Time Factors; Urea | 1974 |
[Amino acids in the brains of animals adapted to different living conditions].
Topics: Acclimatization; Adaptation, Biological; Adaptation, Physiological; Age Factors; Altitude; Amides; Amino Acids; Ammonia; Animals; Arginine; Aspartic Acid; Brain; Brain Chemistry; Carboxy-Lyases; Cerebellum; Chemical Phenomena; Chemistry; Cold Temperature; Cricetinae; gamma-Aminobutyric Acid; Glutamates; Glutamine; Hibernation; Lysine; Medulla Oblongata; Nerve Tissue Proteins; Rats; Species Specificity; Telencephalon; Urea | 1973 |
Utilisation of ammonia nitrogen for protein synthesis in man, and the effect of protein restriction and uraemia.
Topics: Adult; Amino Acids; Ammonia; Ammonium Chloride; Dietary Proteins; Female; Humans; Male; Middle Aged; Nitrogen; Protein Biosynthesis; Radioisotopes; Serum Albumin; Urea; Uremia | 1967 |
Formation and excretion of ammonia in Teleostei. II. Occurrence and transort of ammonia in the blood.
Topics: Ammonia; Ammonium Chloride; Animals; Carbon Dioxide; Fishes; Gills; Liver; Sodium Chloride; Urea | 1969 |
Biochemical investigations of hyperammonaemia.
Topics: Amino Acids; Ammonia; Ammonium Chloride; Citric Acid Cycle; Diet Therapy; Dietary Proteins; Female; Humans; Intestinal Mucosa; Liver; Liver Function Tests; Male; Metabolism, Inborn Errors; Nitrogen; Ornithine Carbamoyltransferase; Proteins; Urea | 1969 |
Hyperammonaemia.
Topics: Ammonia; Citric Acid Cycle; Humans; Metabolism, Inborn Errors; Ornithine Carbamoyltransferase; Urea | 1969 |
15N studies of endogenous faecal nitrogen in infants.
Topics: Ammonia; Dietary Proteins; Feces; Humans; Infant; Intestinal Absorption; Male; Nitrogen; Nitrogen Isotopes; Protein-Energy Malnutrition; Spectrum Analysis; Time Factors; Urea | 1974 |
[Characterization of an urea and ammonia utilization-deficient mutant of Hydrogenomonas eutropha H 16 (author's transl)].
Topics: Ammonia; Enzyme Activation; Glutamate Dehydrogenase; Mutation; Nitrogen; Pseudomonas; Urea; Urease | 1973 |
Isolation and characteristics of a ureolytic strain of Selenomonas ruminatium.
Topics: Ammonia; Animals; Bacteria; Cattle; Cell-Free System; Culture Media; Cytochromes; Female; Gastric Juice; Intubation, Gastrointestinal; Lactation; Microscopy, Electron; Nitrates; Pregnancy; Rumen; Urea; Urease | 1974 |
Establishment of a limited rumen flora in gnotobiotic lambs fed on a roughage diet.
Topics: Acetates; Alcohols; Ammonia; Animal Feed; Animals; Bacteria; Bacteroides; Butyrates; Diet; Fermentation; Formates; Germ-Free Life; Hydrogen-Ion Concentration; Lactates; Lactobacillus; Mass Spectrometry; Peptostreptococcus; Propionates; Rumen; Sheep; Species Specificity; Sterilization; Succinates; Urea; Valerates | 1974 |
[Comparative metabolic activity of the microflora of lamb and adult sheep rumen: in vitro use of urea nitrogen and carbohydrates].
Topics: Age Factors; Amino Acids; Ammonia; Animals; Carbohydrate Metabolism; Diet; Fatty Acids, Volatile; Hydrogen-Ion Concentration; Manihot; Nitrogen; Rumen; Sheep; Urea; Zea mays | 1974 |
Trapping of urea and ammonia in the gut of uremic patients.
Topics: Ammonia; Animals; Carbon Radioisotopes; Humans; Hydrolysis; In Vitro Techniques; Intestinal Mucosa; Mice; Renal Dialysis; Starch; Urea; Uremia | 1972 |
The relationship between urea retention to ammonia concentration in the rumen of the sheep after intravenous administration of urea.
Topics: Ammonia; Animals; Injections, Intravenous; Rumen; Sheep; Starvation; Urea | 1967 |
Induced synthesis of urease in Azotobacter vinelandii.
Topics: Ammonia; Azotobacter; Cell-Free System; Chloramphenicol; Depression, Chemical; Enzyme Induction; Glutamates; Thiourea; Urea; Urease | 1967 |
[Detoxication activity of the liver].
Topics: Ammonia; Endotoxins; Gastric Mucosa; Glucose; Humans; Intestinal Absorption; Intestinal Mucosa; Lactates; Liver; Liver Glycogen; Niacinamide; Phenols; Toxins, Biological; Urea | 1967 |
Hydrogen reactions of nitrogenase. Formation of the molecule HD by nitrogenase and by an inorganic model.
Topics: Adenosine Triphosphatases; Ammonia; Azotobacter; Binding Sites; Cell-Free System; Deuterium; Hydrazines; Hydrogen; Imides; Models, Biological; Nitrogen; Nitrogen Fixation; Oxidoreductases; Partial Pressure; Platinum; Protons; Radioisotopes; Urea; Water | 1968 |
Myocardial amide-nitrogen metabolism with special reference to ammonia metabolism.
Topics: Adenine Nucleotides; Adenosine Triphosphate; Amides; Amino Acids; Ammonia; Animals; Blood Pressure; Body Weight; Cardiomegaly; Dogs; Glutamine; Lactates; Myocardium; Nitrogen; Nucleotides; Phosphorus; Rabbits; Urea | 1968 |
Passage of endogenous urea nitrogen across the rumen wall in sheep before and after feeding.
Topics: Ammonia; Animals; Biological Transport; Dietary Proteins; Methods; Nitrogen; Nutritional Physiological Phenomena; Rumen; Sheep; Urea | 1969 |
[Occupational diseases of the skin of workers occupied in the production of nitrogenous mineral fertilizers].
Topics: Adult; Ammonia; Dermatitis, Occupational; Environmental Exposure; Female; Fertilizers; Humans; Male; Middle Aged; Nitrates; Ukraine; Urea | 1968 |
[Determination of acylamidases in enterobacteria].
Topics: Acetates; Amides; Amidohydrolases; Ammonia; Benzoates; Enterobacteriaceae; Escherichia coli; Malonates; Methods; Niacinamide; Proteus; Pseudomonas aeruginosa; Pyrazinamide; Salicylamides; Salmonella; Shigella; Species Specificity; Urea | 1970 |
Dynamics of blood urea and ruminal ammonia in fasting sheep.
Topics: Ammonia; Animals; Fasting; Fistula; Rumen; Sheep; Time Factors; Urea | 1970 |
The effect of thiourea on ureide metabolism in Neurospora crassa.
Topics: Allantoin; Ammonia; Culture Media; Mutation; Neurospora; Neurospora crassa; Thiourea; Urea; Urease | 1973 |
Urinary excretion of nitrogenous compounds and ketones in streptozotocin treated rats.
Topics: Ammonia; Animals; Creatinine; Fasting; Ketone Bodies; Liver; Male; Streptozocin; Urea | 1974 |
NADH-Dependent coupled enzyme assay for urease and other ammonia-producing systems.
Topics: Ammonia; Bacteria; Glutamate Dehydrogenase; Glutamates; Ketoglutaric Acids; NAD; Oxidation-Reduction; Spectrophotometry; Urea; Urease | 1966 |
Silica excretion in cattle fed a ration predisposing to silica urolithiasis: total excretion and diurnal variations.
Topics: Ammonia; Animal Feed; Animals; Calcium; Cattle; Cattle Diseases; Magnesium; Medicago sativa; Phosphorus; Potassium; Silicon Dioxide; Sodium; Urea; Urinary Calculi; Urinary Catheterization | 1967 |
An enzymic and fluorophotometric method for estimating urea concentrations in nanoliter specimens.
Topics: Ammonia; Animals; Body Fluids; Fluorometry; Glutamate Dehydrogenase; Humans; Ketoglutaric Acids; Ketones; Kidney Tubules; Methods; Microchemistry; NAD; Oximes; Rats; Urea; Urease | 1967 |
Induction of NAD-specific glutamate dehydrogenase in Neurospora crassa by addition of glutamate to the media.
Topics: Ammonia; Culture Media; Cycloheximide; Glutamate Dehydrogenase; Glutamates; NAD; Neurospora; Nitrates; Sucrose; Urea | 1969 |
Endogenous losses of nutrients.
Topics: Ammonia; Animals; Cats; Clostridium perfringens; Cricetinae; Dietary Proteins; Digestive System; Dogs; Escherichia coli; Feces; Fermentation; Guinea Pigs; Haplorhini; Horses; Intestinal Absorption; Intestinal Mucosa; Intestines; Mice; Mucus; Nitrogen; Rabbits; Rats; Serum Albumin; Sheep; Swine; Urea | 1971 |
[Clinical-pathogenetic significance of protein metabolism disorders in children with Botkin's disease].
Topics: Alanine Transaminase; Amino Acids; Ammonia; Aspartate Aminotransferases; Blood Proteins; Child; Child, Preschool; Glycoproteins; Hepatitis A; Humans; Infant; Lipoproteins, LDL; Urea | 1972 |
[Ornithine-carbamoyl-transferase and its clinical valve].
Topics: Ammonia; Carbon Dioxide; Carcinoma, Hepatocellular; Clinical Enzyme Tests; Hepatitis A; Jaundice; Liver; Liver Abscess, Amebic; Liver Cirrhosis; Liver Neoplasms; Metabolic Clearance Rate; Methods; Neoplasm Metastasis; Ornithine Carbamoyltransferase; Urea | 1972 |
Metabolic pathways of biuret degradation and formation of a biuret-complex in the rumen.
Topics: Amides; Ammonia; Animals; Carbon Dioxide; Carbon Radioisotopes; Dialysis; Edetic Acid; Fistula; Hydrochloric Acid; In Vitro Techniques; Rumen; Sheep; Silicon Dioxide; Urea; Urease | 1973 |
Metabolism of biuret by ruminants: in vivo and in vitro studies and the role of protozoa in biuretolysis.
Topics: Alkanesulfonates; Amides; Ammonia; Animals; Carbon Radioisotopes; Eukaryota; Fistula; In Vitro Techniques; Nylons; Octanols; Rumen; Sheep; Solubility; Succinates; Surface-Active Agents; Time Factors; Urea | 1973 |
Self-association and allosteric properties of glutamine-dependent carbamyl phosphate synthetase. Reversible dissociation to monomeric species.
Topics: Allosteric Regulation; Ammonia; Barbiturates; Carbamates; Carbon Radioisotopes; Enzyme Activation; Escherichia coli; Glutamine; Guanidines; Kinetics; Macromolecular Substances; Ornithine; Osmolar Concentration; Phosphates; Phosphotransferases; Potassium; Potassium Chloride; Protein Conformation; Ultracentrifugation; Urea | 1974 |
Nitrogen metabolism in the isolated perfused rat liver. Nitrogen balance, redox state and rates of proteolysis.
Topics: Alanine; Aminoacylation; Ammonia; Animals; Autoanalysis; Centrifugation; Glutamate Dehydrogenase; Glutamates; Hydroxybutyrate Dehydrogenase; In Vitro Techniques; Ketoglutaric Acids; Kinetics; Lactates; Liver; Male; Mitochondria, Liver; NAD; Nitrogen; Oxidation-Reduction; Peptide Hydrolases; Perfusion; Pyruvates; Rats; Urea; Valine | 1974 |
[The determination of ammonia in the urine of premature and full-term newborns: comparison of the formal titration and the enzymic NH4+ determination (author's transl)].
Topics: Amino Acids; Ammonia; Buffers; Choline; Formaldehyde; Glutamate Dehydrogenase; Glycerol; Humans; Hydrogen-Ion Concentration; Infant, Newborn; Infant, Premature; Ketoglutaric Acids; Methods; NAD; Photometry; Quaternary Ammonium Compounds; Urea; Uric Acid | 1973 |
Detoxication of ammonia in sheep fed soy protein or urea.
Topics: Ammonia; Animals; Arginase; Arginine; Biotransformation; Carbamates; Depression, Chemical; Dietary Proteins; Feces; Glutamate Dehydrogenase; Glycine max; Ligases; Liver; Lyases; NAD; NADP; Nitrogen; Ornithine; Ornithine Carbamoyltransferase; Phosphotransferases; Plant Proteins; Sheep; Statistics as Topic; Succinates; Urea | 1970 |
Enzymes and metabolites of intermediary metabolism in urea-fed sheep.
Topics: Ammonia; Animal Nutritional Physiological Phenomena; Animals; Blood Proteins; Blood Volume; Carbohydrate Metabolism; Cytoplasm; Dietary Proteins; Glycine max; Hematocrit; Ketoglutaric Acids; Liver; Mitochondria, Liver; Myocardium; NAD; NADP; Nitrogen; Oxidoreductases; Plant Proteins; Pyruvates; Sheep; Statistics as Topic; Transaminases; Urea | 1970 |
Some properties of urea dehydrogenase in tissues of higher plants.
Topics: Adenine Nucleotides; Ammonia; Aspartic Acid; Carbon Isotopes; Chromatography; Chromatography, Paper; Flavin Mononucleotide; Flavin-Adenine Dinucleotide; Flavins; Hot Temperature; Hydrogen-Ion Concentration; Indicators and Reagents; NADP; Ornithine; Oxidoreductases; Phosphates; Plants; Quaternary Ammonium Compounds; Succinates; Sulfates; Urea | 1966 |
Nitrogen metabolism in the perfused rat liver.
Topics: Alanine; Ammonia; Ammonium Chloride; Animals; Aspartic Acid; Glutamate Dehydrogenase; Glutamates; Glutamine; Hydroxybutyrate Dehydrogenase; Liver; NAD; NADP; Nitrogen; Perfusion; Rats; Stimulation, Chemical; Urea | 1970 |
The volution of corticosteroid function. The effects of corticosteroids on gluconeogenesis in poikilothermic vertebrates.
Topics: Adrenal Cortex Hormones; Alanine Transaminase; Ammonia; Animal Nutritional Physiological Phenomena; Animals; Biological Evolution; Body Temperature Regulation; Bufo marinus; Corticosterone; Gluconeogenesis; Homeostasis; Hydrocortisone; Liver; Liver Glycogen; Species Specificity; Starvation; Stimulation, Chemical; Time Factors; Tyrosine Transaminase; Urea; Water-Electrolyte Balance; Xenopus | 1970 |
The effect of oligomycin and factor C on respiration linked transhydrogenase in depleted submitochondrial particles.
Topics: Ammonia; Aniline Compounds; Ascorbic Acid; Chromatography, Gel; Edetic Acid; Energy Transfer; Enzyme Activation; Kinetics; Membranes; Mitochondria; NAD; NADP; Oligomycins; Oxidoreductases; Proteins; Silicon; Succinates; Tungsten; Urea | 1971 |
Comparison of some parameters of serum and uterine fluid of pregnant, viviparous sharks (Carcharhinus leucas) and serum of their near-term young.
Topics: Ammonia; Animals; Blood Chemical Analysis; Blood Proteins; Body Fluids; Calcium; Chlorides; Female; Fetus; Hematocrit; Magnesium; Male; Maternal-Fetal Exchange; Phosphates; Potassium; Pregnancy; Proteins; Seawater; Sharks; Sodium; Urea; Uterus; Water-Electrolyte Balance | 1972 |
Urine concentrating ability of arousing and normothermic ground squirrels (Spermophilus columbianus).
Topics: Ammonia; Animals; Arousal; Body Temperature; Diuretics; Hibernation; Kidney; Kidney Concentrating Ability; Osmolar Concentration; Sciuridae; Sodium Chloride; Urea; Urine; Water-Electrolyte Balance | 1972 |
Ammonia neutralization and urea synthesis in cardiac muscle.
Topics: Adult; Ammonia; Animals; Arginase; Arginine; Cardiac Catheterization; Coronary Disease; Coronary Vessels; Humans; Ligation; Male; Middle Aged; Myocardial Infarction; Myocardium; Ninhydrin; Nitrogen; Nitrogen Isotopes; Quaternary Ammonium Compounds; Rats; Urea | 1974 |
Transhepatic metabolism after end-to-side portacaval shunt in the young pig.
Topics: Acid-Base Equilibrium; Alkaline Phosphatase; Ammonia; Amylases; Animals; Blood Glucose; Blood Proteins; Glutamine; Liver; Lumbosacral Region; Osmolar Concentration; Portacaval Shunt, Surgical; Potassium; Serum Albumin; Swine; Transaminases; Urea | 1974 |
Utilization of amino acids as nitrogen sources, and their effects on nitrate reductase in the marine diatom Cyclotella cryptica.
Topics: Alanine; Amino Acids; Ammonia; Arginine; Asparagine; Cell-Free System; Chlorophyll; Eukaryota; Glutamates; Glutamine; Glycine; Isoleucine; Nitrate Reductases; Nitrates; Ornithine; Plant Proteins; Proline; Seawater; Urea; Water Microbiology | 1974 |
[Amino acid levels in the blood serum of patients with chronic colitis].
Topics: Adult; Alanine; Amino Acids; Ammonia; Arginine; Aspartic Acid; Betaine; Chronic Disease; Citrulline; Colitis; Glutamates; Glutamine; Glycine; Histidine; Humans; Middle Aged; Ornithine; Phenylalanine; Proline; Serine; Taurine; Threonine; Tryptophan; Tyrosine; Urea | 1974 |
[Biochemical stigmas of human skin surface in old age (author's transl)].
Topics: Adult; Aged; Aging; Alanine; Amino Acids; Ammonia; Citrulline; Glutamates; Glycine; Histidine; Humans; Lactates; Pyrrolidonecarboxylic Acid; Skin; Surface Properties; Sweating; Threonine; Urea; Valine | 1974 |
Effect of arginine deficiency on growth and intermediary metabolism in rats.
Topics: Amino Acids; Ammonia; Animal Nutritional Physiological Phenomena; Animals; Arginine; Body Weight; Citrates; Creatinine; Deficiency Diseases; Diet; Male; Nitrogen; Orotic Acid; Rats; Time Factors; Urea; Urine | 1974 |
The utilization of nitrogen sources by Aspergillus clavatus.
Topics: Ammonia; Aspergillus; Biological Transport, Active; Carbon Radioisotopes; Enzyme Repression; Glutamates; Kinetics; Membrane Transport Proteins; Spores, Fungal; Urea | 1974 |
The role of glucagon as a catabolic hormone.
Topics: Alanine; Amino Acids; Ammonia; Carbon Radioisotopes; Fasting; Glucagon; Half-Life; Humans; Obesity; Urea | 1974 |
Orotate, citrate, and urea excretion in rats fed various levels of arginine.
Topics: Ammonia; Ammonium Chloride; Animals; Arginine; Citrates; Diet; Male; Orotic Acid; Rats; Sodium Chloride; Urea | 1974 |
[Experimental urinary tract infection and urolithiasis (author's transl)].
Topics: Ammonia; Animals; Cats; Cattle; Dogs; Estrogens; Humans; Mice; Mink; Pyelonephritis; Rabbits; Rats; Sheep; Staphylococcal Infections; Urea; Urease; Urinary Calculi; Urinary Tract Infections | 1974 |
Probable significance of urea and uric acid accumulation during aestivation in the gastropod, Pila globosa (Swainson).
Topics: Adaptation, Physiological; Ammonia; Animals; Estivation; Snails; Urea; Uric Acid | 1974 |
Sorbent based regenerating delivery system for use in peritoneal dialysis.
Topics: Ambulatory Care; Ammonia; Animals; Calcium; Creatinine; Dogs; Glucose; Magnesium; Peritoneal Dialysis; Phosphates; Potassium; Sodium; Solutions; Sterilization; Urea | 1974 |
Effect of ammonia concentration of rumen microbial protein production in vitro.
Topics: Adenosine Triphosphate; Ammonia; Animal Feed; Animals; Bacteria; Bacterial Proteins; Body Fluids; Cattle; Dietary Proteins; Eukaryota; Fatty Acids, Volatile; Glycine max; Hydrogen-Ion Concentration; In Vitro Techniques; Male; Methane; Nitrogen; Oils; Protein Biosynthesis; Rumen; Starch; Urea; Zea mays | 1974 |
Chronic copper poisoning and changes in the central nervous system of sheep.
Topics: Ammonia; Animals; Astrocytes; Axons; Brain; Cell Nucleus; Cerebellum; Copper; Glycogen; Hemolysis; Histocytochemistry; Mitochondria; Myelin Sheath; Poisoning; Sheep; Sheep Diseases; Spinal Cord; Time Factors; Urea; Vacuoles | 1974 |
Chemical composition of urea-treated corn silage containing added dried whey or whey products.
Topics: Acetates; Ammonia; Animal Feed; Animals; Detergents; Hydrogen-Ion Concentration; Lactates; Lactose; Lignin; Milk; Nitrogen; Polysaccharides; Silage; Solubility; Urea; Zea mays | 1974 |
[The effect of hydrogen peroxide solutions on the pH of the basal surface of dental plaques].
Topics: Acids; Ammonia; Dental Caries; Dental Plaque; Humans; Hydrogen Peroxide; Hydrogen-Ion Concentration; Mouthwashes; Urea | 1972 |
Metabolism and interaction of urea and glucose in salivary sediment system.
Topics: Ammonia; Glucose; Humans; Hydrogen-Ion Concentration; Saliva; Urea | 1972 |
Ammonia intoxication in rats: protection by N-carbamoyl-L-glutamate plus L-arginine.
Topics: Acetates; Aminohydrolases; Ammonia; Animals; Arginase; Arginine; Carbamates; Drug Synergism; Glutamates; Kidney; Ligases; Lyases; Male; Mitochondria, Liver; Ornithine Carbamoyltransferase; Phosphotransferases; Quaternary Ammonium Compounds; Rats; Urea | 1972 |
A concerted response of the enzymes of urea biosynthesis during thyroxine-induced metamorphosis of Rana catesbeiana.
Topics: Adenosine Triphosphate; Ammonia; Animals; Anura; Arginase; Arginine; Aspartic Acid; Carbon Dioxide; Citrulline; Larva; Ligases; Liver; Lyases; Metamorphosis, Biological; Mitochondria, Liver; Organ Size; Ornithine; Ornithine Carbamoyltransferase; Phosphotransferases; Rana catesbeiana; Subcellular Fractions; Succinates; Thyroxine; Urea | 1972 |
Decomposition of nucleic acids and some of their degradation products by microorganisms.
Topics: Allantoin; Ammonia; Animals; Arthrobacter; Bacteria; Biodegradation, Environmental; Brevibacterium; Cheese; Corynebacterium; DNA; Fishes; Food Microbiology; Fungi; Hydrolysis; Nucleic Acid Denaturation; RNA; Seawater; Sewage; Soil Microbiology; Streptomyces; Urea; Uric Acid; Water Microbiology; Yeasts | 1972 |
Effect of prolactin and growth hormone on the ammonia excretion of bullfrog tadpoles during normal and induced metamorphosis.
Topics: Ammonia; Animals; Anura; Body Weight; Growth Hormone; Kinetics; Larva; Metamorphosis, Biological; Prolactin; Rana catesbeiana; Ranidae; Sheep; Triiodothyronine; Urea | 1972 |
Influence of prolactin on thyroxine-induced changes in hepatic and tail enzymes and nitrogen metabolism in Rana catesbeiana tadpoles.
Topics: Ammonia; Animals; Eye; Glutamate Dehydrogenase; L-Lactate Dehydrogenase; Larva; Liver; Metamorphosis, Biological; Nitrogen; Prolactin; Proteins; Rana catesbeiana; Rats; Tail; Thyroxine; Time Factors; Urea | 1974 |
Urea analysis with the ammonia electrode.
Topics: Ammonia; Animals; Cats; Electrodes; Fishes; Methods; Quaternary Ammonium Compounds; Rana catesbeiana; Sodium Hydroxide; Time Factors; Urea; Urease | 1974 |
Urea amidolyase. I. Properties of the enzyme from Candida utilis.
Topics: Adenosine Triphosphate; Ammonia; Candida; Carbon Isotopes; Carbon-Nitrogen Ligases; Cell-Free System; Chlorophyta; Culture Media; Enzyme Induction; Enzyme Repression; Hydrogen-Ion Concentration; Kinetics; Lyases; Magnesium; Manganese; Saccharomyces cerevisiae; Species Specificity; Structure-Activity Relationship; Temperature; Urea | 1972 |
Prolonged stationary-phase growth of T-strain mycoplasmas in broth culture.
Topics: Agar; Ammonia; Bacteriological Techniques; Culture Media; Mycoplasma; Time Factors; Urea | 1972 |
Ammonia production by intestinal bacteria.
Topics: Ammonia; Cell Count; Colon; Culture Media; Deamination; Escherichia coli; Humans; Hydrogen-Ion Concentration; Intestines; Klebsiella; Peptones; Proteus; Proteus mirabilis; Pseudomonas; Time Factors; Urea | 1973 |
Orotic aciduria and arginine deficiency.
Topics: Ammonia; Animals; Arginine; Deficiency Diseases; Orotic Acid; Rats; Urea | 1973 |
Protein metabolism in renal failure.
Topics: Amino Acids, Essential; Ammonia; Arginine; Blood Urea Nitrogen; Diet; Dietary Carbohydrates; Dietary Fats; Dietary Proteins; Eggs; Hemoglobins; Histidine; Humans; Intestinal Absorption; Kidney Failure, Chronic; Kidney Transplantation; Nitrogen Isotopes; Nutritional Requirements; Phenylalanine; Renal Dialysis; Transplantation, Homologous; Tryptophan; Urea; Valine | 1973 |
Oxaluric acid: a non-metabolizable inducer of the allantoin degradative enzymes in Saccharomyces cerevisiae.
Topics: Allantoin; Amides; Amidohydrolases; Ammonia; Carbamates; Chromatography, Gas; Enzyme Induction; Formamides; Hydantoins; Hydrolases; Ligases; Mutation; Oxalates; Oxamic Acid; Saccharomyces cerevisiae; Urea | 1974 |
Dialysis culture of T-strain mycoplasmas.
Topics: Ammonia; Bacteriological Techniques; Carbon Dioxide; Culture Media; Dialysis; Hydrogen-Ion Concentration; Hydrolysis; Methods; Mycoplasma; Putrescine; Pyruvates; Urea | 1974 |
Nitrogen repression of the allantoin degradative enzymes in Saccharomyces cerevisiae.
Topics: Alanine; Allantoin; Amidohydrolases; Amino Acids; Ammonia; Arginase; Arginine; Asparagine; Carboxylic Acids; Enzyme Repression; Glucose; Lactates; Nitrogen; Saccharomyces cerevisiae; Serine; Time Factors; Urea | 1974 |
On the mechanism of stimulation of AMP-aminohydrolase activity by hexokinase in brain tissue.
Topics: Adenosine Monophosphate; Aminohydrolases; Ammonia; Animals; Brain; Cattle; Chromatography, DEAE-Cellulose; Chromatography, Gel; Cytosol; Guinea Pigs; Hexokinase; Kinetics; Molecular Weight; Rabbits; Rats; Saccharomyces cerevisiae; Species Specificity; Spectrophotometry, Ultraviolet; Swine; Time Factors; Urea | 1974 |
Hyperammonemia accompanying parenteral nutrition in newborn infants.
Topics: Ammonia; Arginine; Body Weight; Dietary Proteins; Humans; Infant Nutritional Physiological Phenomena; Infant, Newborn; Infant, Newborn, Diseases; Infant, Premature, Diseases; Osmolar Concentration; Parenteral Nutrition; Protein Hydrolysates; Urea | 1972 |
[Urea in the sheep saliva under various conditions].
Topics: Ammonia; Animals; Metabolic Clearance Rate; Rumen; Saliva; Salivation; Sheep; Urea | 1972 |
[Hydrolysis of cyanate in a bacteria of the genus Flavobacterium].
Topics: Ammonia; Bicarbonates; Carbon Dioxide; Catalysis; Cyanates; Cyanides; Enzyme Induction; Flavobacterium; Hydrolysis; Kinetics; Nitrogen; Thiocyanates; Urea | 1972 |
A comparison of nitrogen metabolism and ammonia toxicity from ammonium acetate and urea in cattle.
Topics: Acetates; Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Cattle; Cattle Diseases; Female; Fistula; Hydrogen-Ion Concentration; Molasses; Nitrogen; Quaternary Ammonium Compounds; Rumen; Urea | 1972 |
Urea phosphate. A dietary source of nonprotein nitrogen with low potentials toxicity to ruminants.
Topics: Ammonia; Animals; Artiodactyla; Cattle; Diet; Nitrogen; Phosphoric Acids; Sheep; Urea | 1972 |
Comparative effects of oral administration of urea and urea phosphate on the concentrations of ammonia and urea in the blood of sheep.
Topics: Ammonia; Animals; Calcium Phosphates; Female; Phosphates; Sheep; Urea | 1972 |
[Coronary arterio-venous difference in the concentration of various products of nitrogen metabolism in man].
Topics: Adult; Alanine; Ammonia; Aorta; Arteriosclerosis; Coronary Disease; Coronary Vessels; Glutamates; Glutamine; Humans; Hypertension; Male; Middle Aged; Myocarditis; Myocardium; Urea; Veins | 1972 |
[Hyperammoniemia caused by genotypic enzymopathies].
Topics: Ammonia; Female; Humans; Male; Metabolism, Inborn Errors; Neurologic Manifestations; Urea | 1972 |
Effects of urea hydrolysis on tissue metabolite concentrations in rats.
Topics: Amino Acids; Ammonia; Animals; Blood Glucose; Brain; Carbon Isotopes; Chemical Phenomena; Chemistry, Physical; Citrates; Citric Acid Cycle; Glucose; Hydrolysis; Liver; Male; Pyruvates; Rats; Succinates; Urea; Urease | 1972 |
[Congenital hyperammoniemia caused by ornithine carbamoyl-transferase and carbamyl phosphate synthetase deficiency].
Topics: Adenosine Triphosphate; Alanine; Amino Acids; Ammonia; Arginine; Biopsy; Blood Urea Nitrogen; Carbamates; Female; Humans; Infant; Intestines; Liver; Metabolism, Inborn Errors; Ornithine Carbamoyltransferase; Pedigree; Phosphotransferases; Proteins; Urea | 1972 |
[Effect of various nitrogen sources on ruminal fermentation as well as on the urea and ammonia concentration of bovine blood serum].
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Cattle; Fatty Acids; Female; Nitrogen; Rumen; Urea | 1972 |
[Mechanism of intrahepatic accumulation of dicarboxylic amino acids during ammonia poisoning].
Topics: Alanine; Amino Acids; Ammonia; Animals; Arginine; Aspartic Acid; Citrates; Citrulline; Dicarboxylic Acids; Glutamates; Glutaminase; Glutamine; Liver; Malates; Ornithine; Pyruvates; Rats; Seizures; Urea | 1972 |
Urinary non-protein nitrogen fractions in Litomosoides carinii infected albino rats.
Topics: Ammonia; Animals; Creatinine; Nematode Infections; Nitrogen; Rats; Spiruroidea; Urea; Uric Acid | 1972 |
[Physiological estimate of urea concentrates used in the feeding of ruminants. I. Metabolism of urea and ammonia in heifers 4 to 10 months of age].
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Blood Glucose; Blood Urea Nitrogen; Cattle; Diet; Female; Urea | 1972 |
[Relationship between nitrogen excretion, the tide, and age in Littorina littorea (L.) (a mesogasteropod mollusk of the Littorinidae)].
Topics: Age Factors; Ammonia; Animals; Immersion; Mollusca; Nitrogen; Time Factors; Urea; Uric Acid | 1972 |
[Easy method for the quantitative differentiation of a mixture of ammonia and urea].
Topics: Ammonia; Copper; Ion Exchange Resins; Methods; Urea | 1972 |
Uraemic waste recovery. II. In vitro studies.
Topics: Allantoin; Ammonia; Arginine; Creatine; Culture Media; Fermentation; Glutamates; Guanidines; Humans; Nitrogen; Ornithine; Soil Microbiology; Temperature; Urea; Uremia; Uric Acid; Xanthines | 1972 |
Influence of site of administration of urea on voluntary intake of concentrate by lactating cows.
Topics: Abomasum; Administration, Oral; Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Cattle; Diet; Eating; Edible Grain; Female; Fistula; Glycine max; Lactation; Male; Molasses; Pregnancy; Rumen; Taste; Time Factors; Urea; Zea mays | 1972 |
Studies of the adaptation phenomenon by lambs fed urea as the sole nitrogen source. Chemical alterations in ruminal and blood parameters.
Topics: Acetates; Amino Acids; Ammonia; Animals; Blood Proteins; Blood Urea Nitrogen; Butyrates; Dietary Proteins; Fatty Acids, Volatile; Glycine max; Hemoglobins; Male; Nitrogen; Propionates; Proteins; Rumen; Sheep; Urea; Valerates | 1972 |
Use of molasses dried beet pulp-urea as an NPN source for young ruminants.
Topics: Adipose Tissue; Ammonia; Animal Feed; Animals; Cattle; Female; Glycine max; Male; Molasses; Muscles; Nitrogen; Urea; Vegetables | 1972 |
Mechanism of urea decomposition by urease-less Torulopsis utilis.
Topics: Ammonia; Candida; Carbon Dioxide; Carbon Isotopes; Chemical Phenomena; Chemistry; Chromatography, Thin Layer; Decarboxylation; Hydrogen-Ion Concentration; Methods; Mitosporic Fungi; Urea; Urease | 1972 |
[Study on di-L(+)-ornithine-alpha-ketoglutaric acid in the model of isolated perfused rat liver].
Topics: Ammonia; Animals; Chemical and Drug Induced Liver Injury; Female; Galactosamine; Glucose; Ketoglutaric Acids; Liver; Membranes; Models, Biological; Ornithine; Perfusion; Potassium; Rats; Urea | 1972 |
Optimum protein supply of prematures.
Topics: Ammonia; Animals; Body Weight; Breast Feeding; Dietary Proteins; Feces; Growth; Humans; Hypoproteinemia; Infant Nutritional Physiological Phenomena; Infant, Newborn; Infant, Premature; Milk; Milk, Human; Nitrogen; Nutritional Requirements; Time Factors; Urea | 1972 |
[Change in nitrogen and carbohydrate metabolism in brain and liver with a casein diet. 3].
Topics: Ammonia; Animals; Arginase; Aspartic Acid; Brain; Dietary Proteins; Glutamates; Glutamine; Ketoglutaric Acids; Ligases; Liver; Lyases; Male; Pyruvates; Rats; Urea | 1972 |
Binders to remove uremic waste metabolites from the GI tract.
Topics: Acrolein; Adsorption; Ammonia; Animals; Capsules; Carbon Radioisotopes; Cellulose; Charcoal; Creatinine; Intestinal Absorption; Membranes, Artificial; Permeability; Rats; Swine; Urea; Uremia; Uric Acid | 1972 |
[The value of several biochemical blood indices for early diagnosis of lesions due to low-frequency impulse magnetic fields].
Topics: Ammonia; Animals; Blood Proteins; Catalase; Cholinesterases; Clinical Enzyme Tests; Glutamine; Lactates; Magnetics; Male; Peroxidases; Pyruvates; Radiation Injuries, Experimental; Rats; Urea | 1972 |
Ornithine transcarbamylase deficiency: a cause of lethal neonatal hyperammonemia in males.
Topics: Alkalosis, Respiratory; Amino Acid Metabolism, Inborn Errors; Amino Acids; Ammonia; Blood Urea Nitrogen; Diagnosis, Differential; Exchange Transfusion, Whole Blood; Humans; Hyperventilation; Infant, Newborn; Infant, Newborn, Diseases; Liver; Male; Neomycin; Nitrogen; Ornithine Carbamoyltransferase; Peritoneal Dialysis; Urea | 1973 |
Metabolism of bears before, during, and after winter sleep.
Topics: Amino Acids; Ammonia; Animals; Blood Glucose; Blood Proteins; Carnivora; Creatinine; Diuresis; Erythrocytes; Hematocrit; Hibernation; Lipids; Male; Oxygen Consumption; Plasma; Potassium; Sodium; Thyroid Hormones; Urea; Uric Acid; Water-Electrolyte Balance | 1973 |
Nitrogen utilization in cattle using a nitrogen depletion-repletion technique.
Topics: Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Body Weight; Cattle; Diet; Dietary Proteins; Feces; Glutens; Male; Methods; Nitrogen; Urea | 1973 |
Interval urea infusion for lambs.
Topics: Ammonia; Animal Feed; Animals; Dietary Proteins; Male; Nitrogen; Rumen; Sheep; Time Factors; Urea; Zea mays | 1973 |
Biochemical data on some organs from normal or prolactin-treated Xenopus laevis (Daudin) adults reared in fresh and in salt water.
Topics: Adrenal Glands; Alkaline Phosphatase; Ammonia; Animals; Arginase; Depression, Chemical; Fresh Water; Liver; Male; Muscles; Prolactin; Seawater; Sodium; Urea; Xenopus | 1973 |
Differential methods for identification of T-mycoplasmas based on demonstration of urease.
Topics: Agar; Ammonia; Anti-Bacterial Agents; Bacteriuria; Chlorides; Culture Media; Indicators and Reagents; Manganese; Methods; Mycoplasma; Urea; Urease | 1973 |
Urea response to pure osmotic stress in the aquatic total Xenopus laevis.
Topics: Ammonia; Animals; Glomerular Filtration Rate; Kidney; Liver; Male; Mannitol; Osmolar Concentration; Phosphotransferases; Sodium; Stress, Physiological; Time Factors; Urea; Xenopus | 1973 |
Adaptation of rumen microorganisms to biuret as an NPN supplement to low quality roughage rations for cattle and sheep.
Topics: Adaptation, Physiological; Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Catheterization; Cattle; Centrifugation; Gossypium; Male; Nitrogen; Rumen; Seeds; Sheep; Starch; Time Factors; Urea; Zea mays | 1973 |
Ornithine transcarbamylase deficiency in the newborn infant.
Topics: Acidosis; Amino Acids; Ammonia; Autopsy; Blood Urea Nitrogen; Coma; Exchange Transfusion, Whole Blood; Fibroblasts; Humans; Infant, Newborn; Infant, Newborn, Diseases; Liver; Male; Metabolism, Inborn Errors; Ornithine Carbamoyltransferase; Seizures; Urea | 1973 |
Urea metabolism in an estivating terrestrial snail Bulimulus dealbatus.
Topics: Adaptation, Physiological; Ammonia; Animals; Arginase; Arginine; Bicarbonates; Carbon Dioxide; Carbon Isotopes; Citrulline; Estivation; Ornithine Carbamoyltransferase; Phosphotransferases; Snails; Urea; Urease | 1973 |
Free amino acids of plasma in the acute phase of experimental necrotic liver damage.
Topics: Amino Acids; Ammonia; Animals; Arginase; Arginine; Carbon Tetrachloride Poisoning; Liver Diseases; Male; Necrosis; Ornithine; Rats; Time Factors; Urea | 1973 |
The increasing susceptibility of sheep to dietary urea toxicity associated with progressive liver dysfunction.
Topics: Ammonia; Animals; Aspartate Aminotransferases; Carbon Tetrachloride Poisoning; Chemical and Drug Induced Liver Injury; Diet; Liver; Liver Function Tests; Sheep; Sulfobromophthalein; Urea | 1973 |
Myocardial ammonia metabolism in patients with heart disease as revealed by coronary sinus catheterization study.
Topics: Adult; Alanine; Ammonia; Cardiac Catheterization; Cineangiography; Coronary Angiography; Coronary Disease; Exercise Test; Glutamates; Glutamine; Heart Diseases; Humans; Male; Middle Aged; Myocardial Infarction; Myocardium; Urea | 1973 |
Extracorporeal assist of anhepatic animals with liver slice perfusion.
Topics: Ammonia; Animals; Bilirubin; Carotid Arteries; Electroencephalography; Hepatectomy; Hepatic Encephalopathy; Hydrogen-Ion Concentration; Liver; Oxygen Consumption; Perfusion; Swine; Time Factors; Urea | 1973 |
Crayfish ventral nerve cord and hemolymph: content of free amino acids and other metabolites.
Topics: Amino Acids; Aminobutyrates; Ammonia; Animals; Asparagine; Astacoidea; Chromatography, Ion Exchange; Citrulline; Female; Glucose; Glutamates; Glutamine; Hemolymph; In Vitro Techniques; Male; Neurons; Sex Factors; Tryptophan; Urea | 1973 |
[Constitutional hyperammonemia with carbamoylphosphate synthetase deficiency. Course treatment during dietetic].
Topics: Amino Acids; Ammonia; Biopsy; Chromatography; Dietary Proteins; Humans; Infant; Liver; Liver Function Tests; Male; Metabolism, Inborn Errors; Phosphotransferases; Urea | 1973 |
Carbohydrate metabolism in pregnancy. X. Metabolic disposition of alanine by the perfused liver of the fasting pregnant rat.
Topics: Alanine; Alanine Transaminase; Ammonia; Animals; Aspartic Acid; Carbon Isotopes; Chromatography; Fasting; Female; Glucose; Glutamates; Lactates; Lipids; Liver; Perfusion; Pregnancy; Rats; Urea | 1973 |
The site of action of KCl on the tubular reabsorption of Na in man.
Topics: Adult; Ammonia; Binding Sites; Chlorine; Creatinine; Diuresis; Female; Humans; Hydrogen-Ion Concentration; Kidney Concentrating Ability; Kidney Tubules; Male; Middle Aged; Natriuresis; Osmolar Concentration; Potassium; Potassium Chloride; Sodium; Urea; Urination | 1973 |
Maximal rates of excretion and synthesis of urea in normal and cirrhotic subjects.
Topics: Administration, Oral; Amino Acids; Ammonia; Ammonium Chloride; Bilirubin; Body Surface Area; Body Water; Body Weight; Carbon Isotopes; Caseins; Creatinine; Electroencephalography; Hemoglobins; Humans; Injections, Intravenous; Lactalbumin; Liver Cirrhosis; Neomycin; Ovalbumin; Portacaval Shunt, Surgical; Tritium; Urea | 1973 |
Comparison of the effect of various amino acids upon the blood ammonia concentration of patients with liver disease.
Topics: Administration, Oral; Adult; Alcoholism; Amino Acids; Ammonia; Aspartate Aminotransferases; Bilirubin; Dose-Response Relationship, Drug; Drug Synergism; Fatty Liver; Female; Hematocrit; Humans; Injections, Intravenous; Liver Cirrhosis; Male; Middle Aged; Neomycin; Nitrogen; Prothrombin Time; Serum Albumin; Structure-Activity Relationship; Urea | 1973 |
Metabolic effects of exogenous glucocorticoids in fasted man.
Topics: 17-Hydroxycorticosteroids; Acetoacetates; Amino Acids; Ammonia; Antigens; Blood Glucose; Butyrates; Cortisone; Fasting; Fatty Acids, Nonesterified; Glycerol; Growth Hormone; Homeostasis; Humans; Hydrocortisone; Insulin; Nitrogen; Time Factors; Urea | 1973 |
Possible role of hydrogen cyanide in chemical evolution. The oligomerization and condensation of hydrogen cyanide.
Topics: Amides; Amino Acids; Ammonia; Biological Evolution; Chromatography, Gel; Chromatography, Ion Exchange; Chromatography, Paper; Chromatography, Thin Layer; Cyanates; Cyanides; Hydrogen-Ion Concentration; Kinetics; Mass Spectrometry; Methylamines; Oxalates; Spectrophotometry, Infrared; Spectrophotometry, Ultraviolet; Time Factors; Urea | 1973 |
Nitrogen metabolism in lambs fed soybean meal treated with heat, formalin and tannic acid.
Topics: Alanine; Amino Acids; Ammonia; Animals; Arginine; Aspartic Acid; Cellulose; Dietary Proteins; Feces; Formaldehyde; Glycine; Glycine max; Histidine; Hot Temperature; Leucine; Lysine; Male; Nitrogen; Rumen; Sheep; Tannins; Urea; Valine | 1973 |
Effect on rumen bacteria of methionine hydroxy analog and sulfur-containing amino acids, in vitro.
Topics: Amino Acids; Ammonia; Anaerobiosis; Animals; Bacteria; Cysteine; Cystine; Fermentation; Glucose; Methionine; Nitrogen; Rumen; Sulfates; Urea | 1973 |
Hemogram of sheep acutely intoxicated with ammonia.
Topics: Ammonia; Animals; Erythrocyte Count; Erythrocytes; Hematocrit; Hemoglobins; Leukocyte Count; Male; Sheep; Sheep Diseases; Urea | 1973 |
Growth and nitrogen balance in infants fed cereal proteins.
Topics: Ammonia; Animals; Arachis; Body Height; Body Weight; Dietary Proteins; Edible Grain; Food, Fortified; Gossypium; Humans; Infant; Infant Food; Infant Nutritional Physiological Phenomena; Lysine; Male; Milk; Nitrogen; Oryza; Plant Proteins; Seeds; Time Factors; Triticum; Urea; Uric Acid | 1973 |
Spectrophotometric quantification of glycine in serum and urine.
Topics: Ammonia; Autoanalysis; Bilirubin; Chloramines; Chromatography, Ion Exchange; Colorimetry; Creatinine; Evaluation Studies as Topic; Glycine; Humans; Indicators and Reagents; Infant; Methods; Sarcosine; Spectrometry, Fluorescence; Spectrophotometry; Time Factors; Urea | 1973 |
Accumulation of amino acids by the perfused rat liver in the presence of ethanol.
Topics: Alanine; Amino Acids; Ammonia; Animals; Aspartic Acid; Ethanol; Gluconeogenesis; Glucose; In Vitro Techniques; Lactates; Liver; Oleic Acids; Ornithine; Oxygen Consumption; Pyruvates; Rats; Urea | 1973 |
Free amino acids in liver tissue in the acute phase of experimental necrotic liver damage.
Topics: Amino Acids; Ammonia; Animals; Aspartate Aminotransferases; Carbon Tetrachloride Poisoning; Liver; Liver Diseases; Male; Necrosis; Rats; Urea | 1973 |
The effect of linuron and chlorpropham on glutamic acid production by Arthrobacter globiformis.
Topics: Amino Acids; Ammonia; Arthrobacter; Carbamates; Chlorpropham; Diffusion; Glutamates; Herbicides; Linuron; Time Factors; Urea | 1973 |
Effects of modifying urea hydrolysis in acute nephrectomy on survival, ammonia in cecal contents and blood metabolites.
Topics: Aconitic Acid; Ammonia; Animals; Anti-Bacterial Agents; Bacteria; Blood; Blood Glucose; Caprylates; Cecum; Citrates; Digestive System; Feces; Female; Hydrogen-Ion Concentration; Hydrolysis; Hydroxamic Acids; Isocitrates; Male; Neomycin; Nephrectomy; Rats; Urea; Urease | 1973 |
[Physiological assessment of urea concentrates used in feeding ruminants. II. Changes in chemical composition of rumen fluid and blood in bullocks during fattening].
Topics: Age Factors; Ammonia; Animal Feed; Animals; Cattle; Fatty Acids, Volatile; Hydrogen-Ion Concentration; Male; Nitrogen; Rumen; Transaminases; Urea | 1973 |
Variants of citrullinaemia.
Topics: Amino Acid Metabolism, Inborn Errors; Amino Acids; Ammonia; Brain; Chromatography; Citrulline; Dyspnea; Edema; Electrophoresis; Humans; Infant, Newborn; Infant, Newborn, Diseases; Liver; Lung; Male; Microscopy, Electron; Spasm; Urea | 1973 |
[Disorder of synthesis of ammonia and urea and excretion of amino acids in acute peritonitis].
Topics: Acute Disease; Amino Acids; Ammonia; Blood Urea Nitrogen; Female; Humans; Male; Peritonitis; Urea | 1973 |
[Nitrogen absorption in the sheep following administration of urea. I. Ammonia, urea, glutamate and glutamine absorption].
Topics: Ammonia; Animals; Digestion; Female; Glutamates; Glutamine; Intestinal Absorption; Nitrogen; Sheep; Urea | 1973 |
Influence of rate of ruminal administration of urea on nitrogen utilization in lambs.
Topics: Abomasum; Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Cellulose; Dietary Proteins; Feces; Glycine max; Nitrogen; Rumen; Sheep; Urea | 1973 |
Effect of source of supplemental nitrogen and level of nitrate on feedlot performance and vitamin A metabolism of fattening beef calves.
Topics: Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Body Weight; Carotenoids; Cattle; Fatty Acids, Volatile; Female; Glutens; Glycine max; Hemoglobins; Hydrogen-Ion Concentration; Liver; Male; Nitrates; Nitrogen; Rumen; Urea; Vitamin A; Zea mays | 1973 |
Effects of experimentally induced hyperlysinemia on maze learning in mice.
Topics: Ammonia; Animals; Body Weight; Drinking; Escape Reaction; Female; Learning; Lysine; Male; Maternal-Fetal Exchange; Memory; Mice; Pregnancy; Pregnancy, Animal; Urea | 1973 |
Energy-linked ion translocation in submitochondrial particles. 3. Transport of monovalent cations by submitochondrial particles.
Topics: Ammonia; Animals; Anti-Bacterial Agents; Biological Transport; Carboxylic Acids; Cattle; Chromatography, Gel; Cyanides; Dicyclohexylcarbodiimide; Electrodes; Energy Transfer; Hydrogen-Ion Concentration; Mitochondria; Mitochondria, Muscle; Myocardium; Organoids; Oxidative Phosphorylation Coupling Factors; Phenylhydrazines; Phosphorus Radioisotopes; Potassium; Time Factors; Urea; Valinomycin; Vibration | 1973 |
Diurnal variations of free amino acids and ammonia levels in the blood of sheep given urea.
Topics: Amino Acids; Ammonia; Animals; Blood Urea Nitrogen; Circadian Rhythm; Humans; Sheep; Urea | 1973 |
Influence of dietary nitrogen source, concentrate level and biuret level in sheep on the adaptation of rumen microorganisms to biuret as a nonprotein nitrogen source.
Topics: Adaptation, Biological; Amides; Ammonia; Animal Nutritional Physiological Phenomena; Animals; Cellulose; Cottonseed Oil; Dietary Carbohydrates; Digestion; Fermentation; Nitrogen; Rumen; Sheep; Starch; Time Factors; Urea; Zea mays | 1973 |
[Effect of X-ray irradiation on certain aspects of kidney function].
Topics: Amino Acids; Ammonia; Animals; Kidney; Radiation Effects; Rats; Urea | 1973 |
[Feeding of ammonized wheat-straw pellets and loose on pelleted wheat-meal to sheep. 1. Effect on various biochemical characteristics of ruminal fluid and blood].
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Blood Glucose; Intestinal Secretions; Keto Acids; Rumen; Sheep; Triticum; Urea | 1973 |
Role of urea in the hyperammonemia of germ-free Eck fistula dogs.
Topics: Ammonia; Animals; Blood Urea Nitrogen; Digestive System; Dogs; Female; Germ-Free Life; Hepatic Encephalopathy; Hydrolysis; Male; Portacaval Shunt, Surgical; Urea; Urease | 1974 |
Lethal neonatal deficiency of carbamyl phosphate synthetase.
Topics: Amino Acids; Ammonia; Carbamates; Cells, Cultured; Chromatography; Cytoplasm; Fibroblasts; Glutamates; Humans; Infant, Newborn; Infant, Newborn, Diseases; Liver; Male; Metabolism, Inborn Errors; Mitochondria, Liver; Oxidation-Reduction; Phosphotransferases; Propionates; Urea | 1974 |
Growth of T-strain mycoplasmas in medium without added urea: effect of trace amounts of urea and of a urease inhibitor.
Topics: Allantoin; Ammonia; Chromatography, Ion Exchange; Culture Media; Dialysis; Hydrogen-Ion Concentration; Hydrolysis; Hydroxamic Acids; Mycoplasma; Putrescine; Urea | 1974 |
Some metabolic aspects of urea and-or potassium nitrate utilization by sheep.
Topics: Administration, Oral; Ammonia; Animal Feed; Animals; Blood Proteins; Blood Urea Nitrogen; Diet; Energy Metabolism; Female; Hemoglobins; Hydrogen-Ion Concentration; Hydrolysis; Methemoglobin; Nitrates; Potassium; Rumen; Sheep; Urea | 1974 |
Urea metabolism in chronic renal failure.
Topics: Ammonia; Carbon Radioisotopes; Humans; Kidney; Kidney Failure, Chronic; Urea | 1974 |
[Content of gamma-aminobutyric acid and glutamate decarboxylase activity in the rat brain during hyperbaric oxygenation and the protective action of urea].
Topics: Aminobutyrates; Ammonia; Animals; Atmosphere Exposure Chambers; Brain; Brain Chemistry; Brain Stem; Carboxy-Lyases; Cerebellum; Electrophoresis; Female; Free Radicals; Glutamates; Hyperbaric Oxygenation; In Vitro Techniques; Injections, Intraperitoneal; Male; Oxygen; Rats; Time Factors; Urea | 1974 |
[Nitrogen metabolic indices in viral hepatitis patients against a background of treatment with L-glutamine and other drug agents].
Topics: Ammonia; Glucose; Glutamine; Hepatitis A; Humans; Nitrogen; Optical Rotation; Prednisolone; Urea; Vitamin B Complex | 1974 |
[Disorders of metabolism and functional state of the liver under the effect of impulse electromagnetic field of low frequency].
Topics: Ammonia; Animals; Carbohydrate Metabolism; Electromagnetic Phenomena; Glutamine; Liver; Nitrogen; Oxidative Phosphorylation; Rats; Urea | 1974 |
Nitrogen metabolism in channel catfish, Ictalurus punctatus. 3. Relative pool sizes of free amino acids and related compounds in various tissues of the catfish.
Topics: Alanine; Amino Acids; Aminobutyrates; Aminoisobutyric Acids; Ammonia; Analysis of Variance; Animals; Autoanalysis; Brain; Fishes; Gills; Glutamine; Hydroxyproline; Intestinal Mucosa; Kidney; Liver; Myocardium; Organ Specificity; Ornithine; Spleen; Taurine; Urea | 1974 |
Citrullinemia: investigation and treatment over a four-year period.
Topics: Amino Acid Metabolism, Inborn Errors; Amino Acids; Ammonia; Arginine; Child, Preschool; Citrulline; Dietary Proteins; Dipeptides; Female; Fibroblasts; Follow-Up Studies; Guanidines; Humans; Infant; Infant, Newborn; Orotic Acid; Peptide Synthases; Urea; Uric Acid | 1974 |
Severe neonatal citrullinaemia.
Topics: Amino Acid Metabolism, Inborn Errors; Amino Acids; Ammonia; Arginine; Citrulline; Dietary Carbohydrates; Dietary Proteins; Glucose; Humans; Infant Nutritional Physiological Phenomena; Infant, Newborn; Infant, Newborn, Diseases; Male; Seizures; Urea | 1974 |
Plasma and rumen fluid components of steers fed two sources and levels of nitrogen.
Topics: Administration, Oral; Amino Acids; Amino Acids, Essential; Ammonia; Animal Feed; Animals; Arginine; Blood Urea Nitrogen; Body Weight; Cattle; Fatty Acids, Volatile; Glutamates; Glycine; Glycine max; Lysine; Male; Nitrogen; Propionates; Rumen; Serine; Threonine; Urea; Zea mays | 1974 |
Gastric acid secretion in chronic uraemia and after renal transplantation.
Topics: Adolescent; Adult; Age Factors; Aged; Ammonia; Chronic Disease; Female; Gastric Juice; Hemoglobinometry; Humans; Hyperparathyroidism; Kidney Transplantation; Male; Middle Aged; Peptic Ulcer; Secretory Rate; Urea; Uremia | 1968 |
Regulation of synthesis of glutamate dehydrogenase and glutamine synthetase in micro-organisms.
Topics: Ammonia; Aspergillus; Enzyme Induction; Enzyme Repression; Escherichia coli; Glutamate Dehydrogenase; Glutamates; Glutamine; Ligases; Neurospora; Nitrates; Urea | 1969 |
[Studies on temporary hepatic assistance in the dog. Biological data].
Topics: Ammonia; Animals; Bile; Bilirubin; Blood Glucose; Blood Pressure; Blood Proteins; Dogs; Fibrinogen; Glycogen; Hematocrit; Hemodynamics; Hepatectomy; Hydrogen-Ion Concentration; Hyperkalemia; Lactates; Liver Circulation; Liver Function Tests; Liver Transplantation; Perfusion; Portal System; Transaminases; Transplantation, Homologous; Urea | 1969 |
Identification of "T" mycoplasmas in primary agar cultures by means of a direct test for urease.
Topics: Agar; Ammonia; Bacteriological Techniques; Indicators and Reagents; Mycoplasma; Urea; Urease | 1970 |
Analysis of urine of the northern fur seal.
Topics: Ammonia; Animals; Bacteriological Techniques; Caniformia; Chlorides; Creatine; Creatinine; Environment; Glycosuria; Hydrogen-Ion Concentration; Ketones; Nitrogen; Potassium; Proteinuria; Sodium; Species Specificity; Specific Gravity; Urea; Uric Acid; Urine; Water-Electrolyte Balance | 1971 |
Half-of-the-sites reactivity and the conformational states of cytidine triphosphate synthetase.
Topics: Adenosine Triphosphate; Ammonia; Benzoates; Binding Sites; Carbon Isotopes; Chemical Phenomena; Chemistry; Cytosine Nucleotides; Diazooxonorleucine; Electrophoresis; Escherichia coli; Glutamine; Guanosine Triphosphate; Kinetics; Ligases; Macromolecular Substances; Magnesium; Models, Biological; Models, Structural; Molecular Weight; Nitro Compounds; Protein Binding; Protein Conformation; Uracil Nucleotides; Urea | 1971 |
Metabolism of urea in sheep.
Topics: Ammonia; Analysis of Variance; Animals; Female; Food Deprivation; Nitrogen; Regression Analysis; Sheep; Urea | 1967 |
Dietary effects upon concentrations of protozoa in the rumen.
Topics: Ammonia; Animal Feed; Animals; Ciliophora; Diet; Digestion; Glutens; Linseed Oil; Nitrogen; Rumen; Sheep; Urea | 1966 |
Urease. VI. A new method of assay and the specific enzymic activity.
Topics: Ammonia; Buffers; Chemical Phenomena; Chemistry; Copper; Edetic Acid; Enzymes; Hydrogen-Ion Concentration; Lead; Mercaptoethanol; Mercury; Silver; Spectrophotometry; Urea; Urease | 1966 |
[Oscillations in urease activity of Hydrogenomonas H 16 in static culture].
Topics: Ammonia; Bacterial Proteins; Bacteriological Techniques; Kinetics; Nitrogen; Pseudomonas; Urea; Urease | 1967 |
[Effect of monomycin and neomycin on secretion and chemical composition of gastric juice in dogs at different conditions of central nervous system].
Topics: Ammonia; Animals; Anti-Bacterial Agents; Bacillus subtilis; Barbiturates; Caffeine; Central Nervous System; Chlorine; Dogs; Erythromycin Ethylsuccinate; Gastric Acidity Determination; Gastric Juice; Gastric Mucosa; Immunodiffusion; Neomycin; Sodium; Urea | 1966 |
[Urea tolerance in cattle. 1. The influence of urea and urea-containing Bruhschnitzel on physiological norms].
Topics: Ammonia; Animal Feed; Animals; Cattle; Rumen; Urea | 1968 |
A system for the study of urea synthesis in liver homogenates.
Topics: Adenine Nucleotides; Amino Acids; Ammonia; Animals; Aspartic Acid; Cell-Free System; Edetic Acid; In Vitro Techniques; Keto Acids; Liver; Magnesium; Male; Nitrogen; Ornithine; Plasma; Rats; Time Factors; Urea | 1969 |
[Uric acid degradation and biosynthesis of the enzymes uricase, glyoxylate carboligase and urease in Hydrogenomonas H 16. II. Effect of uric acid, fructose and nitrogen deficiency on enzyme formation].
Topics: Allantoin; Ammonia; Ammonium Chloride; Bacterial Proteins; Carboxy-Lyases; Culture Media; Enzyme Induction; Fructose; Glyoxylates; Ligases; Nitrogen; Pseudomonas; Spectrophotometry; Urate Oxidase; Urea; Urease; Uric Acid | 1969 |
Kinetics studies on the fluorescence quencher in isolated chloroplasts.
Topics: Ammonia; Chlorophyll; Chloroplasts; Computers; Edetic Acid; Electron Transport; Fluorescence; Hydrogen-Ion Concentration; Kinetics; Oxygen; Plant Cells; Urea | 1970 |
Similarities of mycoplasma species isolated from man and from nonhuman primates.
Topics: Ammonia; Animals; Arginine; Carbohydrate Metabolism; Haplorhini; Hominidae; Humans; Immunodiffusion; Methylene Blue; Mycoplasma; Mycoplasma Infections; Pharynx; Rectum; Tetrazolium Salts; Urea | 1970 |
[Influence of technological processing of energetic food (immature barley) on the metabolism of carbohydrates and urea in the rumen of sheep].
Topics: Ammonia; Animals; Blood Urea Nitrogen; Carbohydrate Metabolism; Carbohydrates; Digestion; Edible Grain; Fatty Acids; Food-Processing Industry; Hot Temperature; Hydrogen-Ion Concentration; Nitrogen; Rumen; Sheep; Silage; Starch; Urea | 1970 |
[Nitrogen metabolism in parenteral feeding].
Topics: Adult; Aged; Alanine; Amino Acids; Ammonia; Creatinine; Diet Therapy; Duodenal Ulcer; Female; Glycine; Humans; Male; Methionine; Middle Aged; Nitrogen; Parenteral Nutrition; Proline; Serine; Stomach Ulcer; Tryptophan; Urea | 1971 |
Neurologic disorders and liver disease.
Topics: Adipose Tissue; Ammonia; Brain Diseases; Citrulline; Fatty Liver; Galactosemias; Hepatic Encephalopathy; Hepatitis; Hepatolenticular Degeneration; Humans; Hyperbilirubinemia, Hereditary; Kidney Diseases; Liver; Liver Diseases; Metabolism, Inborn Errors; Mucopolysaccharidoses; Nervous System Diseases; Neurologic Manifestations; Paraplegia; Phenylketonurias; Quadriplegia; Urea | 1971 |
Biochemical aspects of intravenous alimentation.
Topics: Amino Acids; Ammonia; Blood Urea Nitrogen; Child, Preschool; Citric Acid Cycle; Diarrhea, Infantile; Evaluation Studies as Topic; Female; Glycosuria; Humans; Infant; Infant Nutrition Disorders; Infant, Newborn; Infant, Premature; Male; Osmolar Concentration; Parenteral Nutrition; Postoperative Care; Protein Hydrolysates; Urea | 1971 |
Isolation of T-mycoplasmas from dogs and squirrel monkeys: biological and serological comparison with those isolated from man and cattle.
Topics: Agar; Ammonia; Animals; Bacterial Proteins; Cats; Cattle; Cervix Uteri; Dogs; Electrophoresis, Disc; Female; Haplorhini; Horses; Humans; Lung; Male; Microbial Sensitivity Tests; Mycoplasma; Nose; Papio; Penis; Pharynx; Rabbits; Semen; Serotyping; Swine; Synovial Fluid; Urea; Urethra; Vagina | 1971 |
[Effect of ammonia poisoning from urea on the properties of ruminal liquor in ruminants].
Topics: Alanine Transaminase; Ammonia; Animals; Aspartate Aminotransferases; Biodegradation, Environmental; Biotransformation; Cattle; Cattle Diseases; Hydrogen-Ion Concentration; Poisoning; Rumen; Urea | 1971 |
Intestinal ammonia in uraemia: the effect of a urease inhibitor, acetohydroxamic acid.
Topics: Ammonia; Animals; Blood Proteins; Cecum; Colitis; Colon; Edema; Erythrocytes; Hydroxamic Acids; Inflammation; Intestinal Mucosa; Male; Mucus; Necrosis; Nephrectomy; Rats; Urea; Urease; Uremia | 1972 |
Central nervous system lesions in disorders of amino-acid metabolism. A neuropathological study.
Topics: Adolescent; Adult; Amino Acid Metabolism, Inborn Errors; Ammonia; Brain; Central Nervous System; Child; Child, Preschool; Demyelinating Diseases; Diagnosis, Differential; Eye Diseases; Female; Growth Disorders; Hartnup Disease; Homocystinuria; Humans; Infant; Infant, Newborn; Intellectual Disability; Intestinal Absorption; Kidney Diseases; Male; Maple Syrup Urine Disease; Neuroglia; Neurons; Phenylketonurias; Renal Aminoacidurias; Urea | 1972 |
Free amino acid composition of porcine seminal, epididymal and seminal vesicle fluids.
Topics: Amino Acids; Ammonia; Animals; Body Fluids; Epididymis; Male; Semen; Seminal Vesicles; Swine; Urea | 1972 |
The effect of vasopressin (Pitressin) administration and dehydration on the concentration of solutes in renal fluids of rats with and without hereditary hypothalamic diabetes insipidus.
Topics: Ammonia; Animals; Centrifugation, Density Gradient; Creatinine; Dehydration; Diabetes Insipidus; Kidney; Natriuresis; Osmolar Concentration; Pituitary Gland; Potassium; Rats; Sodium; Urea; Urine; Vasopressins | 1972 |
Serum and tissue ammonium nitrogen and tissue water values in ammonia-intoxicated sheep.
Topics: Administration, Oral; Adrenal Glands; Ammonia; Animals; Body Fluids; Body Water; Female; Kidney; Liver; Muscles; Myocardium; Nitrogen; Sheep; Sheep Diseases; Urea; Water | 1972 |
[Hyperammonemia--congenital abnormality of the urea cycle].
Topics: Amino Acids; Ammonia; Animals; Arginase; Carbamates; DNA; Female; Humans; Infant; Kinetics; Ligases; Liver; Male; Metabolism, Inborn Errors; Ornithine Carbamoyltransferase; Orotic Acid; Phosphotransferases; Rats; RNA; Urea | 1972 |
Nitrogen metabolism of the South American lungfish Lepidosiren paradoxa.
Topics: Acetates; Ammonia; Animals; Arginine; Aspartic Acid; Bicarbonates; Carbon Isotopes; Citrulline; Climate; Fasting; Fishes; Glutamates; Guanidines; Leucine; Liver; Manganese; Ornithine; Serine; Stereoisomerism; Urea | 1972 |
Hyperlysinuria with hyperammonemia. A new metabolic disorder.
Topics: Adolescent; Amino Acid Metabolism, Inborn Errors; Ammonia; Arginine; Diet Therapy; Growth Disorders; Humans; Intellectual Disability; Intestinal Absorption; Kidney Concentrating Ability; Lysine; Male; Protein Biosynthesis; Syndrome; Urea | 1972 |
A method for preparation of selenourea- 75 Se.
Topics: Amides; Ammonia; Chromatography, Paper; Cyanates; Isotope Labeling; Methods; Oxides; Radioisotopes; Selenium; Urea | 1972 |
Nitrogen and mineral excretion after carbohydrate test meals.
Topics: Ammonia; Body Weight; Creatinine; Diet; Dietary Carbohydrates; Female; Fructose; Glucose; Humans; Magnesium; Male; Minerals; Natriuresis; Nitrogen; Phosphorus; Potassium; Sex Factors; Starch; Sucrose; Time Factors; Triticum; Urea; Uric Acid; Zea mays | 1972 |
[Resorption of ammonia in ruminants].
Topics: Ammonia; Animals; Female; Rumen; Sheep; Urea | 1972 |
Hyperammonemia due to a defect in hepatic ornithine transcarbamylase.
Topics: Adult; Amino Acid Metabolism, Inborn Errors; Ammonia; Central Nervous System Diseases; Child; Child Behavior Disorders; Citrates; Coma; Diet Therapy; Dietary Proteins; Female; Gastrointestinal Diseases; Guanidines; Humans; Liver; Male; Ornithine; Ornithine Carbamoyltransferase; Orotic Acid; Succinates; Urea | 1972 |
[Physiopathology of obesity and its treatment with prolonged fasting].
Topics: Acid-Base Equilibrium; Ammonia; Basal Metabolism; Diet, Reducing; Electrolytes; Fasting; Fatty Acids, Nonesterified; Female; Glycerides; Humans; Lipid Metabolism; Liver Function Tests; Male; Nitrogen; Obesity; Proteins; Time Factors; Urea | 1972 |
Enzymatic kinetic rate and end-point analyses of substrate, by use of a GeMSAEC fast analyzer.
Topics: Ammonia; Autoanalysis; Chemistry, Clinical; Clinical Enzyme Tests; Computers; Glucose; Glucosephosphate Dehydrogenase; Glutamate Dehydrogenase; Hexokinase; Kinetics; Mathematics; Methods; Spectrophotometry; Ultraviolet Rays; Urate Oxidase; Urea; Urease; Uric Acid; Urine | 1972 |
[Urea utilization in ruminants. B. Growing young bulls. 6. pH values and ammonia concentrations in rumen juice and ammonia and urea content of blood plasma following administration of large amounts of urea].
Topics: Ammonia; Animals; Blood Urea Nitrogen; Cattle; Circadian Rhythm; Gastric Juice; Hydrogen-Ion Concentration; Male; Rumen; Urea | 1972 |
The effect in sheep of physical form on the sites of digestion of a dried lucerne diet. 2. Sites of nitrogen digestion.
Topics: Amino Acids; Ammonia; Animal Feed; Animals; Bacteria; Catheterization; Digestion; Duodenum; Eukaryota; Feces; Hot Temperature; Intestine, Small; Nitrogen; Nucleic Acids; Sheep; Urea | 1972 |
Analytical studies of fractions from irradiated lysozyme.
Topics: Acetamides; Acetates; Alkylation; Amines; Ammonia; Cesium Isotopes; Chromatography, Gel; Disulfides; Egg White; Electrophoresis; Electrophoresis, Disc; Free Radicals; Iodoacetates; Macromolecular Substances; Mercaptoethanol; Molecular Weight; Muramidase; Oxidation-Reduction; Radiation Effects; Sodium Chloride; Sodium Dodecyl Sulfate; Solubility; Sulfhydryl Compounds; Urea | 1972 |
Retention of nitrogen by growing heifers given grass silage plus isocaloric supplements containing groundnut meal or urea.
Topics: Ammonia; Animal Feed; Animals; Arachis; Cattle; Diet; Nitrogen; Rumen; Silage; Urea | 1972 |
Further observations on the movements of ammonia in the ruminant and the relationship to ammonia toxicity.
Topics: Abomasum; Ammonia; Animals; Cecum; Diffusion; Liver; Sheep; Urea | 1972 |
Toward an artificial liver: in vitro removal of unbound and protein-bound plasma compounds related to hepatic failure.
Topics: Ammonia; Artificial Organs; Bilirubin; Butyrates; Carbon Isotopes; Filtration; Glutamine; Hepatic Encephalopathy; Humans; Ion Exchange; Kinetics; Liver; Methionine; Protein Binding; Renal Dialysis; Sulfobromophthalein; Urea | 1972 |
The effect of carbohydrates on ammonium and ketoacid excretion during starvation.
Topics: Adolescent; Adult; Ammonia; Bicarbonates; Body Height; Body Weight; Dietary Carbohydrates; Fasting; Fatty Acids, Nonesterified; Female; Glomerular Filtration Rate; Glucose; Humans; Hydrogen-Ion Concentration; Insulin; Keto Acids; Male; Obesity; Starvation; Urea | 1972 |
Metabolic effects of human growth hormone and of estrogens in boys with Duchenne muscular dystrophy.
Topics: Adolescent; Ammonia; Anabolic Agents; Body Weight; Child; Child, Preschool; Creatine Kinase; Diethylstilbestrol; Ethinyl Estradiol; Growth Hormone; Humans; L-Lactate Dehydrogenase; Male; Muscular Dystrophies; Nitrogen; Phosphorus; Potassium; Sodium; Urea | 1972 |
Citrullinemia: a new case, with implications concerning adaptation to defective urea synthesis.
Topics: Adult; Amino Acids; Ammonia; Citrulline; Dietary Proteins; Fibroblasts; Humans; Intellectual Disability; Ligases; Lysine; Male; Metabolism, Inborn Errors; Urea | 1972 |
Dynamic aspects of ammonia and urea metabolism in sheep.
Topics: Amino Acids; Ammonia; Ammonium Sulfate; Animals; Bacteria; Carbon Isotopes; Diet; Digestion; Female; Intestinal Absorption; Intestinal Mucosa; Liver; Models, Biological; Nitrogen; Nitrogen Isotopes; Reticulum; Rumen; Sheep; Urea | 1972 |
Urea levels, protein and diethylstilbestrol for growing steers fed purified diets.
Topics: Amino Acids; Ammonia; Animal Nutritional Physiological Phenomena; Animals; Cattle; Dietary Proteins; Diethylstilbestrol; Digestion; Fatty Acids; Feces; Glycine max; Growth; Hydrogen-Ion Concentration; Male; Nitrogen; Nutritional Requirements; Plant Proteins; Rumen; Time Factors; Urea; Water | 1972 |
[Studies on ammonia metabolism of placenta].
Topics: Ammonia; Female; Glutamates; Glutaminase; Glutamine; Humans; Maternal-Fetal Exchange; Placenta; Pregnancy; Urea | 1972 |
Further observations on utilization of urea by lactating cows.
Topics: Ammonia; Animals; Blood Urea Nitrogen; Cattle; Fatty Acids; Female; Lactation; Milk; Nitrogen; Pregnancy; Rumen; Silage; Urea; Zea mays | 1972 |
[Portocaval encephalopathy. Dietetics and treatments].
Topics: Ammonia; Brain; Brain Diseases; Citric Acid Cycle; Diet Therapy; Disaccharides; Humans; Iatrogenic Disease; Intestines; Liver; Liver Cirrhosis; Neurocognitive Disorders; Portacaval Shunt, Surgical; Proteins; Urea | 1972 |
[Electroencephalogram in ruminants. 3. Effect of experimental hyperammonemia on the REG in goats].
Topics: Ammonia; Ammonium Chloride; Animals; Electroencephalography; Female; Goats; Urea | 1972 |
Starea, urea and sulfur in beef cattle rations.
Topics: Acetates; Ammonia; Animal Feed; Animals; Body Weight; Butyrates; Cattle; Cattle Diseases; Edible Grain; Glycine max; Hydrogen-Ion Concentration; Keratosis; Liver Abscess; Male; Medicago sativa; Propionates; Rumen; Sulfur; Urea; Valerates; Zea mays | 1972 |
Phylogenetic aspects of purine metabolism.
Topics: Allantoin; Ammonia; Amphibians; Animals; Biological Evolution; Birds; Hypoxanthines; Inosine; Invertebrates; Mammals; Nitrogen; Oxygen Consumption; Purines; Reptiles; Urea; Uric Acid; Xanthine Oxidase | 1972 |
Comparative utilization of casein-lactalbumin and spun soy protein diets by human subjects.
Topics: Adult; Albumins; Amino Acids; Ammonia; Animals; Body Weight; Caseins; Dietary Proteins; Feces; Freeze Drying; Glycine max; Humans; International Agencies; Male; Milk; Nitrogen; Nutritional Physiological Phenomena; Plant Proteins; Urea | 1972 |
Metabolism of glutamine and ammonia in rat liver: the effects of N-acetylglutamate and phosphate.
Topics: Acetates; Ammonia; Animals; Aspartic Acid; Carbon Isotopes; Enzyme Activation; Glutamates; Glutaminase; Glutamine; In Vitro Techniques; Iodine Isotopes; Kinetics; Mitochondria, Liver; Perfusion; Phosphates; Rats; Urea | 1972 |
Partial ornithine carbamyl transferase deficiency: an inborn error of the urea cycle presenting as orotic aciduria in a male infant.
Topics: Ammonia; Chromatography, Gas; Coma; Humans; Infant; Infusions, Parenteral; Liver; Male; Metabolism, Inborn Errors; Ornithine Carbamoyltransferase; Orotic Acid; Spectrophotometry, Ultraviolet; Urea; Vomiting | 1972 |
Effect of urease injections on DNA synthesis in mice.
Topics: Ammonia; Ammonium Chloride; Animals; Body Weight; Colon; Depression, Chemical; DNA; DNA Replication; Ileum; Injections, Intraperitoneal; Liver; Male; Mice; Mice, Inbred Strains; Organ Size; Proteins; Spleen; Stimulation, Chemical; Testis; Thymidine; Tritium; Urea; Urease | 1972 |
Effect of different levels of cane molasses on nitrogen and energy utilization in urea rations for steers.
Topics: Acetates; Ammonia; Animal Feed; Animals; Butyrates; Cattle; Fatty Acids, Volatile; Feces; Humans; Hydrogen-Ion Concentration; Molasses; Nitrogen; Propionates; Rumen; Urea; Valerates | 1972 |
Molasses-urea for restricted forage fed steers in the tropics.
Topics: Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Cattle; Cellulose; Fatty Acids, Volatile; Feces; Fistula; Male; Molasses; Nitrogen; Rumen; Tropical Climate; Urea | 1972 |
Pressure cooked urea-cassava meal for lambs consuming low quality hay.
Topics: Acetates; Ammonia; Animal Feed; Animals; Blood Proteins; Blood Urea Nitrogen; Body Weight; Butyrates; Cellulose; Fatty Acids, Volatile; Plants, Edible; Poaceae; Propionates; Rumen; Sheep; Tropical Climate; Urea; Valerates | 1972 |
Effects of ammonia on the absorption and accumulation of glucose, 45 Ca and 32 P from the ligated intestinal loop of the chick.
Topics: Ammonia; Animals; Biological Transport, Active; Bone and Bones; Calcium; Calcium Isotopes; Chickens; Chlorides; Duodenum; Glucose; Glycine; Intestinal Absorption; Ligation; Lysine; Magnesium; Male; Phosphates; Phosphorus; Phosphorus Isotopes; Quaternary Ammonium Compounds; Tibia; Urea | 1972 |
[Severe hepatic and metabolic changes in renal cancer. Case report].
Topics: Acute Kidney Injury; Ammonia; Fatty Liver; Female; Glycosuria; Humans; Hyperglycemia; Kidney Calculi; Kidney Neoplasms; Leukocyte Count; Middle Aged; Nephrectomy; Nitrogen; Plasma Cells; Urea | 1972 |
Effect of form and level of nitrogen on magnesium utilization.
Topics: Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Calcium; Dietary Proteins; Feces; Hydrogen-Ion Concentration; Magnesium; Male; Nitrogen; Phosphorus; Potassium; Rumen; Sheep; Urea | 1972 |
Sulphur metabolism and excretion studies in ruminants. VII. Secretion of sulphur and nitrogen in sheep pancreatic and bile fluids.
Topics: Ammonia; Animals; Bile; Bile Acids and Salts; Chromatography, Thin Layer; Duodenum; Feces; Nitrogen; Pancreatic Juice; Sheep; Sulfates; Sulfur; Sulfur Isotopes; Sulfuric Acids; Taurine; Urea | 1972 |
The effects of diet and pentagastrin on the influx of urea into the rumen of sheep.
Topics: Ammonia; Animals; Diet; Dietary Proteins; Diuresis; Hematocrit; Peptides; Rumen; Sheep; Urea | 1971 |
Movements of ammonia following intraruminal administration of urea or casein.
Topics: Ammonia; Animals; Caseins; Female; Hydrogen-Ion Concentration; Intestinal Absorption; Jugular Veins; Liver; Rumen; Sheep; Urea | 1971 |
Influence of urea, biuret and starch on amino acid patterns in ruminal bacteria and blood plasma and on nitrogen balance of steers fed high fiber purified diets.
Topics: Alanine; Amino Acids; Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Bacteria; Cattle; Cellulose; Culture Media; Depression, Chemical; Diet; Dietary Carbohydrates; Digestion; Feces; Glutamates; Hydrolysis; Indenes; Isoleucine; Ketones; Male; Metabolism; Nitrogen; Proline; Rumen; Starch; Stimulation, Chemical; Time Factors; Urea; Urease; Valine; Wood; Zea mays | 1971 |
The congenital hyperammonemic syndrome.
Topics: Acidosis; Amino Acid Metabolism, Inborn Errors; Amino Acids; Ammonia; Diet Therapy; Dietary Proteins; Female; Humans; Infant; Keto Acids; Ornithine; Ornithine Carbamoyltransferase; Phosphotransferases; Urea; Uric Acid | 1971 |
Studies on the physiology of Bacillus fastidiosus.
Topics: Alcohol Oxidoreductases; Allantoin; Ammonia; Bacillus; Carbon Dioxide; Carboxy-Lyases; Cell-Free System; Culture Media; Glyoxylates; Hot Temperature; Hydrogen-Ion Concentration; Manometry; Oxygen Consumption; Spectrophotometry; Sulfuric Acids; Tartronates; Ultrasonics; Urate Oxidase; Urea; Urease; Uric Acid; Vibration | 1971 |
Role of acetylglutamate in ureotelism. I. Occurrence and biosynthesis of acetylglutamate in mouse and rat tissues.
Topics: Acetates; Adenosine Triphosphate; Amidohydrolases; Amino Acids; Ammonia; Animals; Carbon Dioxide; Carbon Isotopes; Caseins; Cell Nucleus; Chromatography, Ion Exchange; Chromatography, Paper; Crystallization; Cytoplasm; Dietary Proteins; Enzyme Activation; Glutamates; Half-Life; Intestine, Small; Kidney; Kinetics; Liver; Male; Mice; Mitochondria, Liver; Myocardium; Phosphotransferases; Rats; Spleen; Stimulation, Chemical; Succinate Dehydrogenase; Swine; Urea | 1971 |
Influence of non-protein nitrogen substances on the indophenol reaction.
Topics: Amino Acids; Ammonia; Chemistry, Clinical; Diagnosis, Differential; Hepatic Encephalopathy; Humans; Indophenol; Nitrogen; Spectrophotometry; Urea | 1971 |
Influence of the branched-chain volatile fatty acids and phenylacetate on rminal microorganisms and nitrogen utilization by steers fed urea or isolated soy protein.
Topics: Amino Acids; Ammonia; Animal Nutritional Physiological Phenomena; Animals; Bacteroides; Butyrates; Cattle; Dietary Fats; Dietary Proteins; Eukaryota; Fatty Acids; Glycine max; Male; Nitrogen; Phenylacetates; Rumen; Urea; Valerates | 1971 |
The selective S-methylation of sulfhydryl groups in proteins and peptides with methyl-p-nitrobenzenesulfonate.
Topics: Amino Acids; Ammonia; Animals; Binding Sites; Carbon Isotopes; Cattle; Chemical Phenomena; Chemistry; Chromatography, Gel; Chymotrypsin; Cysteine; Esters; Glutathione; Hydrogen-Ion Concentration; Insulin; Kinetics; Mercaptoethanol; Methods; Methylation; Muramidase; Nitrobenzenes; Oxidation-Reduction; Papain; Peptides; Protein Denaturation; Proteins; Ribonucleases; Sodium; Sulfhydryl Compounds; Sulfonic Acids; Temperature; Transferases; Urea | 1971 |
Effects of feeding alkali-treated oat straw supplemented with soybean meal or nonprotein nitrogen on growth of lambs and on certain blood and rumen liquor parameters.
Topics: Alkalies; Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Dietary Proteins; Food Additives; Glycine max; Hydrogen-Ion Concentration; Nitrogen; Phosphates; Poaceae; Rumen; Sheep; Urea | 1971 |
Frequent feeding of a corn silage-urea-concentrate blended ration to lactating dairy cows.
Topics: Amino Acids; Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Body Weight; Caseins; Cattle; Creatinine; Dietary Proteins; Fats; Female; Lactation; Lipid Metabolism; Milk; Nitrogen; Pregnancy; Silage; Urea; Zea mays | 1971 |
[Secretion of gastric juice during hemodialysis].
Topics: Acute Kidney Injury; Adult; Ammonia; Calcium; Chlorides; Creatinine; Electrolytes; Female; Gastric Acidity Determination; Gastric Juice; Humans; Kidney Failure, Chronic; Kidneys, Artificial; Male; Middle Aged; Peptic Ulcer; Potassium; Renal Dialysis; Sodium; Time Factors; Urea | 1971 |
Hyperammonemia due to a mutant enzyme of ornithine transcarbamylase.
Topics: Amino Acids; Ammonia; Animals; Autopsy; Clinical Enzyme Tests; Culture Techniques; Female; Humans; Infant; Liver; Metabolism, Inborn Errors; Mutation; Ornithine; Ornithine Carbamoyltransferase; Orotic Acid; Phosphotransferases; Rats; Threonine; Urea | 1971 |
Non-essential 15 N retention in an alcoholic with acute kwashiorkor.
Topics: Acute Disease; Adult; Alcoholism; Ammonia; Citrates; Humans; Kwashiorkor; Male; Nitrogen; Nitrogen Isotopes; Urea | 1971 |
The presence of high ornithine-urea cycle enzyme activity in the teleost Opsanus tau.
Topics: Acetates; Adenosine Triphosphate; Ammonia; Animals; Arginase; Arginine; Bicarbonates; Blood Urea Nitrogen; Carbamates; Enzyme Activation; Fishes; Glutamates; Ligases; Liver; Lyases; Magnesium; Manganese; Ornithine; Ornithine Carbamoyltransferase; Phosphoric Acids; Phosphotransferases; Quaternary Ammonium Compounds; Succinates; Sulfuric Acids; Urea | 1971 |
Forms of organic nitrogen in domestic wastewater.
Topics: Amino Acids; Ammonia; Feces; Nitrogen; Sewage; Urea; Water Pollution; Wisconsin | 1971 |
Urea content and pH of pilocarpine stimulated rat saliva.
Topics: Ammonia; Animals; Hydrogen-Ion Concentration; Pilocarpine; Rats; Saliva; Salivary Glands; Spectrophotometry; Urea | 1971 |
Effect of dehydrated alfalfa products on the utilization of urea nitrogen in beef cattle.
Topics: Amino Acids; Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Cattle; Fatty Acids, Nonesterified; Medicago sativa; Nitrogen; Rumen; Urea | 1971 |
Ovine lactic acidosis: intraruminal and systemic.
Topics: Acidosis; Ammonia; Animals; Edible Grain; Electrolytes; Hydrogen-Ion Concentration; Ketones; Lactates; Nitrogen; Rumen; Sheep; Sheep Diseases; Urea | 1971 |
The production and transport of ammonia in the human colon.
Topics: Ammonia; Cecum; Colon; Diffusion; Disaccharides; Humans; Hydrogen-Ion Concentration; Intestinal Absorption; Quaternary Ammonium Compounds; Urea | 1971 |
Nutritional requirements of Streptococcus salivarius.
Topics: Ammonia; Biotin; Culture Media; Cysteine; Cystine; Glucose; Glutamates; Homocysteine; Homocystine; Humans; Mouth; Nicotinic Acids; Pantothenic Acid; Riboflavin; Streptococcus; Thiamine; Urea | 1971 |
Cyanate formation in solutions of urea. I. Calculation of cyanate concentrations at different temperature and pH.
Topics: Ammonia; Chemical Phenomena; Chemistry; Computers; Cyanates; Hydrogen-Ion Concentration; Kinetics; Mathematics; Osmolar Concentration; Temperature; Urea; Water | 1971 |
An improved method for separation of urea N and glutamine amide N for 15 N metabolic studies.
Topics: Ammonia; Chromatography, Ion Exchange; Glutamine; Hydrolysis; Methods; Nitrogen Isotopes; Urea; Urease | 1971 |
Activity and regulation of an acidic amino acid permease of Aspergillus nidulans.
Topics: Ammonia; Asparagine; Aspartic Acid; Aspergillus; Cycloheximide; Cysteine; Glutamates; Glycine; Kinetics; Lysine; Membrane Transport Modulators; Membrane Transport Proteins; Methylamines; Nitrates; Urea | 1971 |
Regulation of nitrite reductase and its relationship to the regulation of nitrate reductase in cultured tobacco cells.
Topics: Amino Acids; Ammonia; Caseins; Cell Line; Chemical Phenomena; Chemistry; Depression, Chemical; Enzyme Induction; Half-Life; Hydrogen-Ion Concentration; Kinetics; Nicotiana; Nitrates; Nitrites; Oxidoreductases; Plants; Plants, Toxic; Spectrophotometry; Sulfites; Tungsten; Urea | 1971 |
Intestinal handling of urea and ammonia.
Topics: Ammonia; Animals; Bacteria; Bicarbonates; Colon; Diffusion; Digestion; Feces; Glutamine; Humans; Intestinal Absorption; Intestinal Mucosa; Liver; Protein Biosynthesis; Proteins; Rats; Urea | 1971 |
[Ammonium concentration in the venous blood of infants and children].
Topics: Adolescent; Age Factors; Ammonia; Analysis of Variance; Chemistry, Clinical; Child; Child, Preschool; Colorimetry; Evaluation Studies as Topic; Humans; Indicators and Reagents; Indophenol; Infant; Infant, Newborn; Liver Diseases; Metabolic Diseases; Methods; Sulfuric Acids; Tungsten; Urea; Veins | 1971 |
[Free amino acids and related compounds in the scrapable horny layer of uninvolved skin in microbial eczema and subjects without skin disease].
Topics: Adolescent; Adult; Aged; Amino Acids; Ammonia; Binding Sites; Chromatography; Chromatography, Paper; Eczema; Epithelium; Female; Glutamates; Histidine; Humans; Isoleucine; Male; Middle Aged; Nitrogen; Skin; Tryptophan; Urea | 1971 |
Removal of uremic waste metabolites from the intestinal tract by encapsulated carbon and oxidized starch.
Topics: Adsorption; Aldehydes; Ammonia; Animals; Capsules; Carbon; Cellulose; Creatinine; Diarrhea; Feces; Humans; In Vitro Techniques; Intestines; Polymers; Rats; Starch; Urea; Uremia; Uric Acid | 1971 |
[Contribution to the study of nitrogenous excretion in adult Littorina littorea (L.) (mesogasteropod mollusc Littorinidae)].
Topics: Amidohydrolases; Ammonia; Animals; Mollusca; Purines; Seasons; Urate Oxidase; Urea; Urease; Ureohydrolases; Uric Acid | 1971 |
Cerebral amino acid metabolism in hepatic coma.
Topics: Amino Acids; Aminobutyrates; Ammonia; Aspartic Acid; Brain; Cerebral Cortex; Electroencephalography; Glutamate Dehydrogenase; Glutamates; Glutamine; Hepatic Encephalopathy; Humans; Ketoglutaric Acids; Liver; Nitrogen Isotopes; Pyruvates; Transaminases; Urea | 1971 |
[Structure and function of the liver in hypothermia-studies on isolated perfused rat liver].
Topics: Ammonia; Animals; Aspartate Aminotransferases; Female; Hypothermia, Induced; Liver; Nitrogen; Perfusion; Rats; Tissue Preservation; Urea | 1971 |
Influence of ammonium salts of volatile fatty acids upon ration digestibility, rumen fermentation and nitrogen retention by steers.
Topics: Acetates; Ammonia; Animals; Butyrates; Cattle; Digestion; Fatty Acids, Nonesterified; Feces; Fermentation; Food Additives; Gastric Juice; Glycine max; Hydrogen-Ion Concentration; Nitrogen; Propionates; Quaternary Ammonium Compounds; Rumen; Salts; Urea | 1971 |
Nitrogen additions to high moisture corn and its utilization by ruminants.
Topics: Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Dietary Proteins; Digestion; Ethanol; Fatty Acids; Fermentation; Food Additives; Glycine max; Hydrogen-Ion Concentration; Nitrogen; Phosphates; Rumen; Sheep; Urea; Zea mays | 1971 |
Renal regulation of acid excretion in the red deer (Cervus elephus).
Topics: Acids; Ammonia; Animal Feed; Animals; Artiodactyla; Bicarbonates; Calcium; Diet; Edible Grain; Feces; Hydrochloric Acid; Hydrogen-Ion Concentration; Kidney; Phosphates; Phosphorus; Potassium; Sodium; Urea; Urine | 1971 |
The isolated perfused liver of the sheep: an assessment of its metabolic, synthetic and excretory functions.
Topics: Ammonia; Animals; Aspartate Aminotransferases; Bile; Blood Flow Velocity; Carbon Dioxide; Electric Stimulation; Glucose; Glycogen; Liver; Liver Circulation; Methods; Oxygen Consumption; Perfusion; Propionates; Rheology; Sheep; Sulfobromophthalein; Urea | 1971 |
Ornithine-urea cycle activity in xenopus laevis: adaptation in saline.
Topics: Adaptation, Physiological; Ammonia; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Liver; Male; Ornithine; Sodium Chloride; Urea; Xenopus laevis | 1967 |
Organic components of human parotid and submaxillary saliva.
Topics: Amino Acids; Ammonia; Carbohydrates; Chemical Phenomena; Chemistry; Dental Caries; Electrophoresis; Humans; In Vitro Techniques; Lipids; Parotid Gland; Proteins; Saliva; Submandibular Gland; Urea; Uric Acid | 1965 |
A one-day test for measuring renal function.
Topics: Adolescent; Adult; Ammonia; Child; Creatinine; Female; Humans; Hydrogen-Ion Concentration; Kidney Concentrating Ability; Kidney Diseases; Kidney Function Tests; Male; Methods; Middle Aged; Phenolphthaleins; Urea; Urinary Tract Infections; Urine; Vasopressins | 1969 |
[Alpha-alkylmercapto- and alpha-arylmercapto-alkylisocyanates].
Topics: Alcohols; Amines; Ammonia; Carbamates; Chemistry, Pharmaceutical; Cyanates; Ethers; Silver; Urea | 1969 |
Effect of urea concentration on its utilization, on the pH and the formation of ammonia and carbon dioxide in a human salivary sediment system.
Topics: Amino Acids; Ammonia; Autoradiography; Carbohydrate Metabolism; Carbon; Carbon Dioxide; Carbon Isotopes; Chromatography, Paper; Humans; Hydrogen-Ion Concentration; Lactates; Nitrogen; Ornithine; Saliva; Succinates; Urea; Urease | 1971 |
The effect of general and local intestinal hypothermia on the production and absorption of ammonia.
Topics: Ammonia; Animals; Blood; Colon; Dogs; Gastric Mucosa; Gastrointestinal Hemorrhage; Hypothermia, Induced; Intestinal Absorption; Urea | 1966 |
[Content of ammonia and urea in the blood and so-called urea ammonia index in patients with bleeding from upper digestive tract].
Topics: Adolescent; Adult; Ammonia; Esophageal and Gastric Varices; Female; Gastrointestinal Hemorrhage; Humans; Male; Middle Aged; Urea | 1966 |
[Urea-and ammonia content of the liver following irradiation in vivo].
Topics: Ammonia; Animals; Liver; Male; Ornithine; Radiation Effects; Rats; Urea | 1966 |
Effects of various anaesthetics on the metabolism and general condition of the isolated perfused rat liver.
Topics: Ammonia; Anesthesia, Inhalation; Anesthesia, Intravenous; Animals; Bile; Ethanol; Glucose; Halothane; In Vitro Techniques; Liver; Pentobarbital; Perfusion; Potassium; Rats; Thiopental; Trichloroethylene; Urea; Water | 1967 |
Enhanced growth of T-strain mycoplasmas with N-2-hydroxyethylpiperazone-N'-2-ethanesulfonic acid buffer.
Topics: Adsorption; Ammonia; Buffers; Culture Media; Culture Techniques; HeLa Cells; Hydrogen-Ion Concentration; Mycoplasma; Piperazines; Sulfonic Acids; Urea | 1969 |
Depletion of reduced pyridine nucleotides in liver and blood with ammonia.
Topics: Ammonia; Animals; Carbon Dioxide; Caseins; Hydrogen-Ion Concentration; Liver; Male; Nucleotides; Oxygen; Pyridines; Rats; Urea; Urease | 1969 |
Nitrogen excretion in the tuatara, Sphenodon punctatus.
Topics: Ammonia; Animal Feed; Animals; Arginase; Creatine; Creatinine; Diet; Dietary Proteins; Growth; Kidney; Ligases; Liver; Nitrogen; Ornithine Carbamoyltransferase; Renal Aminoacidurias; Reptiles; Urea; Uric Acid; Xanthine Oxidase | 1969 |
Techniques used in studies on nitrogen metabolism in ruminants.
Topics: Acetates; Ammonia; Animals; Catheterization; Hydrogen-Ion Concentration; Methods; Nitrogen; Rumen; Sheep; Urea | 1969 |
Evidence for direct excretion of blood ammonia by an ammoniotelic amphibian.
Topics: Alanine; Ammonia; Ammonium Chloride; Animals; Anura; Aspartic Acid; Glutamates; Glutamine; Glycine; Nitrogen; Radioisotopes; Time Factors; Urea | 1969 |
Studies on substrate induction of serine dehydratase of rat liver.
Topics: Adrenalectomy; Alanine; Amino Acids; Ammonia; Animals; Antibodies; Blood Glucose; Carbon Isotopes; Diabetes Mellitus, Experimental; Diet; Enzyme Activation; Hydro-Lyases; Insulin; L-Serine Dehydratase; Liver; Male; Nitrogen; Plasma; Proteins; Pyruvates; Rats; Serine; Time Factors; Triamcinolone; Urea | 1969 |
The enzymatic microestimation of urea.
Topics: Ammonia; Chemistry, Clinical; Glutamate Dehydrogenase; Ketoglutaric Acids; Methods; Microchemistry; Urea; Urease | 1969 |
Urea utilization in wethers receiving the urease inhibitor, acetohydroxamic acid.
Topics: Ammonia; Animals; Hydroxamic Acids; Male; Rumen; Sheep; Urea; Urease | 1969 |
Periodic attacks of lethargy in a baby with ammonia intoxication due to a congenital defect in ureogenesis.
Topics: Ammonia; Coma; Diet Therapy; Female; Humans; Infant; Intellectual Disability; Liver; Metabolism, Inborn Errors; Ornithine Carbamoyltransferase; Phosphotransferases; Urea; Vomiting | 1969 |
The metabolism of ammonia in liver disease: a comparison of urinary data following oral and intravenous loading of [15N]ammonium lactate.
Topics: Ammonia; Humans; Injections, Intravenous; Lactates; Liver Cirrhosis; Liver Diseases; Nitrogen; Portacaval Shunt, Surgical; Quaternary Ammonium Compounds; Radioisotopes; Urea | 1969 |
[The effect of hydrocortisone on nitrogen metabolism in animals with tumors].
Topics: Amines; Ammonia; Animals; Carcinoma, Brown-Pearce; Creatine; Creatinine; Female; Hydrocortisone; Male; Neoplasm Transplantation; Nitrogen; Rabbits; Rats; Sarcoma, Experimental; Urea | 1969 |
The effect of herbicides on soil microflora. 3. The effect of herbicides on ammonification and nitrification in the soil.
Topics: Ammonia; Carbamates; Colorimetry; Herbicides; Nitrates; Nitrogen Fixation; Soil Microbiology; Triazines; Urea | 1969 |
[Effect of acetylcholine and norepinephrine on the metabolism of nitrogen compounds in sheep (according to angiostomatic data)].
Topics: Acetylcholine; Albumins; Ammonia; Animals; Blood Proteins; Blood Urea Nitrogen; Carotid Arteries; Catheterization; Digestion; Globulins; Hepatic Veins; Liver; Nitrogen; Norepinephrine; Serum Albumin; Serum Globulins; Sheep; Stomach, Ruminant; Urea | 1969 |
A continuous method for the measurement of urease activity.
Topics: Ammonia; Hydrogen-Ion Concentration; Indicators and Reagents; Kinetics; Methods; Plants; Potentiometry; Proteus; Spectrophotometry; Urea; Urease | 1969 |
[Hygienic studies of swimming pools by determining the urea content in swimming pool water].
Topics: Ammonia; Chlorides; Germany, West; Indicators and Reagents; Methods; Nitrates; Nitrites; Swimming Pools; Urea; Urease; Water Pollution | 1969 |
The effect of protein content of the diet on the rate of urea formation in sheep liver.
Topics: Alkaline Phosphatase; Ammonia; Animals; Arginase; Arginine; Dietary Proteins; Ligases; Liver; Lyases; Male; Organ Size; Ornithine Carbamoyltransferase; Sheep; Succinates; Urea | 1969 |
Comparative blood ammonia procedures in ruminants.
Topics: Ammonia; Animals; Sheep; Urea | 1969 |
Studies on sodium bentonite in ruminant diets containing urea.
Topics: Aluminum Silicates; Ammonia; Animal Feed; Animals; Body Weight; Calcium; Digestion; Eating; Intestinal Absorption; Nitrogen; Phosphates; Sheep; Urea | 1969 |
Urea toxicity studies in the bovine.
Topics: Acetates; Ammonia; Animal Feed; Animals; Body Weight; Cattle; Female; Nitrogen; Pregnancy; Pregnancy, Animal; Urea | 1969 |
Influence of ruminal ammonia on the salivary flow of cattle.
Topics: Ammonia; Animal Feed; Animals; Cattle; Hydrogen-Ion Concentration; Male; Rumen; Salivation; Urea | 1969 |
Metabolism of bovine semen. XX. Role of ammonia in interactions between the citric acid and urea cycles.
Topics: Amino Acids; Ammonia; Animals; Arginase; Arginine; Carbamates; Carbon Dioxide; Carbon Isotopes; Cattle; Cell Fractionation; Citric Acid Cycle; Citrulline; Male; Ornithine; Ornithine Carbamoyltransferase; Oxygen Consumption; Phosphotransferases; Proline; Pyruvates; Rabbits; Semen; Spermatozoa; Urea; Valerates | 1969 |
Composition of the amino acid pools of some cestodes of Elasmobranch fishes of the Woods Hole area.
Topics: Amino Acids; Ammonia; Animals; Cestoda; Fishes; Glycine; Indicators and Reagents; Leucine; Massachusetts; Methods; Sharks; Species Specificity; Taurine; Urea | 1969 |
Allantoate hydrolysis by allantoate amidohydrolase.
Topics: Acetates; Amidohydrolases; Ammonia; Carbon Dioxide; Cell-Free System; Electrophoresis; Glycine; Glycolates; Glyoxylates; Streptococcus; Time Factors; Urea; Ureohydrolases | 1970 |
Studies on the biochemistry of epidermis. IV. The free amino acids, ammonia, urea, and pyrrolidone carboxylic acid content of conventional and germ-free albino guina pig epidermia.
Topics: Amino Acids; Ammonia; Animals; Autoanalysis; Chromatography, Ion Exchange; Electrons; Female; Germ-Free Life; Guinea Pigs; Male; Pyrrolidinones; Skin; Urea | 1970 |
Metabolism of 14C-urea by T-strain mycoplasma.
Topics: Ammonia; Autoradiography; Carbon Dioxide; Carbon Isotopes; Centrifugation; Chromatography, Thin Layer; Culture Media; Genetics, Microbial; Mutation; Mycoplasma; Urea | 1970 |
The excretory metabolism of the endoparasitic digenean Fasciola hepatica and its relationship to its respiratory metabolism.
Topics: Amino Acids; Ammonia; Animals; Autoanalysis; Bile; Chromatography, Gas; Chromatography, Thin Layer; Fasciola hepatica; Glucose; Histocytochemistry; Lactates; Lipid Metabolism; Lipids; Nitrogen; Oxygen; Oxygen Consumption; Sheep; Urea; Uric Acid | 1970 |
[Hyperargininemia wityh arginase deficiency. A new familial metabolic disease. I. Clinical studies].
Topics: Alkaline Phosphatase; Amino Acid Metabolism, Inborn Errors; Ammonia; Arginase; Arginine; Diagnosis, Differential; Diet Therapy; Erythrocytes; Female; Fructose-Bisphosphate Aldolase; Humans; Infant; Male; Pedigree; Pneumoencephalography; Transaminases; Urea | 1970 |
Relationship between rumen ammonia levels and the microbial population and volatile fatty acid proportions in faunated and defaunated sheep.
Topics: Acetates; Ammonia; Animals; Butyrates; Eukaryota; Fatty Acids; Hydrogen-Ion Concentration; Male; Nitrogen; Propionates; Rumen; Sheep; Surface-Active Agents; Urea; Water | 1970 |
Ammonia metabolism in the gut.
Topics: Ammonia; Digestive System; Hepatic Encephalopathy; Humans; Intestinal Absorption; Liver Cirrhosis; Urea | 1970 |
Rate of urea synthesis in normal and cirrhotic rat liver with reference to the arginine synthetase system.
Topics: Ammonia; Ammonium Chloride; Animals; Arginine; Blood Proteins; Blood Urea Nitrogen; Diet; Hydroxyproline; In Vitro Techniques; Ligases; Liver; Liver Cirrhosis, Experimental; Male; Ornithine; Rats; Urea | 1970 |
[Various low-molecular nitrogen compounds in experimental brain tumors in white mice].
Topics: Aminobutyrates; Ammonia; Animals; Aspartic Acid; Brain; Brain Neoplasms; Glutamates; Mice; Neoplasms, Experimental; Oligodendroglioma; Urea | 1970 |
Ammonia metabolism in rumen bacteria and mucosa from sheep fed soy protein or urea.
Topics: Ammonia; Animals; Bacteria; Carbamates; Cell Membrane Permeability; Diet; Dietary Proteins; Fatty Acids; Glutamate Dehydrogenase; Glutamates; Glycine max; Hydrogen-Ion Concentration; Ligases; Mucous Membrane; Phosphotransferases; Plant Proteins; Rumen; Sheep; Statistics as Topic; Transaminases; Transferases; Urea; Urease | 1970 |
[End products of protein metabolism in the blood and urine of infants during the first days of life].
Topics: Ammonia; Female; Humans; Infant, Newborn; Nitrogen; Pregnancy; Proteins; Urea; Uric Acid | 1970 |
Renal function during osmotic stress in the aquatic toad Xenopus laevis.
Topics: Adaptation, Physiological; Ammonia; Animals; Anura; Glomerular Filtration Rate; Hypertonic Solutions; Kidney; Kidney Concentrating Ability; Nitrogen; Sodium; Sodium Chloride; Stress, Physiological; Time Factors; Urea; Urination; Water-Electrolyte Balance | 1970 |
Digestion and nitrogen metabolism in sheep and red deer given large or small amounts of water and protein.
Topics: Allantoin; Ammonia; Animals; Creatine; Creatinine; Deer; Dietary Proteins; Digestion; Feces; Hippurates; Nitrogen; Rumen; Sheep; Urea; Uric Acid; Water | 1970 |
The nutritive effect in man of non-essential amino acids infused intravenously (together with the essential ones). I. Individual non-essential amino acids.
Topics: Adult; Alanine; Amino Acids; Ammonia; Arginine; Creatinine; Female; Glutamates; Glycine; Histidine; Humans; Injections, Intravenous; Middle Aged; Nausea; Proline; Urea | 1970 |
A perspective on uremic toxins.
Topics: Ammonia; Animals; Blood Urea Nitrogen; Creatinine; Diet Therapy; Guanidines; Humans; Indican; Kidney Failure, Chronic; Phenols; Renal Dialysis; Sodium; Toxins, Biological; Urea; Uremia; Water-Electrolyte Balance | 1970 |
The inhibitory effect of the urea-urease system on human tissue alkaline phosphatases.
Topics: Alkaline Phosphatase; Ammonia; Bone and Bones; Carbonates; Female; Humans; Intestinal Mucosa; Kidney; Liver; Placenta; Pregnancy; Urea; Urease | 1970 |
Aspects of the physiology of terrestrial life in amphibious fishes. II. The Chilean clingfish, Sicyases sanguineus.
Topics: Adaptation, Physiological; Air; Ammonia; Animals; Body Weight; Chile; Fishes; Heart Rate; Lactates; Oxygen Consumption; Seawater; Urea | 1970 |
Rate of protein synthesis in premature infants.
Topics: Adult; Ammonia; Aspartic Acid; Body Weight; Feces; Glycine; Growth; Humans; Infant, Newborn; Infant, Premature; Male; Methods; Nitrogen; Protein Biosynthesis; Radioisotopes; Time Factors; Urea | 1970 |
Metabolism of ingested ammonium-15N by premature infants.
Topics: Ammonia; Ammonium Chloride; Dietary Proteins; Glycine; Humans; Infant; Infant, Newborn; Infant, Premature; Nitrogen; Protein Biosynthesis; Radioisotopes; Time Factors; Urea; Urine | 1970 |
[Ammonia, glutamine and urea concentration in the brain tissue of susliks during winter hibernation].
Topics: Ammonia; Animals; Brain; Glutamine; Hibernation; Rodentia; Urea | 1970 |
The quantitative analysis of some constituents of crude sweat.
Topics: Ammonia; Calcium; Chlorides; Chromium; Dermatitis, Atopic; Dermatitis, Contact; Humans; Hydrogen-Ion Concentration; Phosphates; Potassium; Psoriasis; Skin Diseases; Sodium; Specific Gravity; Sweat; Urea | 1970 |
Ammonia toxicity in rats: protection by alpha-methylglutamic acid.
Topics: Amino Acids; Ammonia; Ammonium Chloride; Animals; Brain; Chromatography, Thin Layer; Glutamates; Glutamine; In Vitro Techniques; Ligases; Liver; Male; Oximes; Poisoning; Proteinuria; Rats; Renal Aminoacidurias; Time Factors; Urea | 1970 |
Urea biosynthesis in a surviving amphibian liver cube preparation.
Topics: Ammonia; Animals; Anura; Carbamates; Carbon Dioxide; Carbon Isotopes; Leucine; Liver; Metamorphosis, Biological; Oxygen Consumption; Phosphotransferases; Protein Biosynthesis; Urea | 1970 |
Hyperammonemia: a deficiency of liver ornithine transcarbamylase.
Topics: Ammonia; Biopsy; Female; Humans; Infant; Liver; Metabolism, Inborn Errors; Ornithine Carbamoyltransferase; Pneumoencephalography; Urea | 1970 |
Purine catabolism in Fusarium moniliforme.
Topics: Allantoin; Amidohydrolases; Ammonia; Caffeine; Cell-Free System; Culture Media; Fusarium; Glyoxylates; Hydantoins; Hypoxanthines; Purines; Theobromine; Time Factors; Urate Oxidase; Urea; Urease; Ureohydrolases; Uric Acid; Xanthenes | 1970 |
The mechanism of action of lactulose in portal systemic encephalopathy: colonic bacterial urease activity and bacterial flora in rats.
Topics: Ammonia; Animals; Bacteria; Brain Diseases; Carbon Dioxide; Carbon Isotopes; Colon; Disaccharides; Feces; Lactobacillus; Liver Diseases; Male; Neomycin; Rats; Urea; Urease | 1970 |
[In vitro studies on the question of urea transformation in ruminal fluid. 1. Influence of the study method on ureolysis].
Topics: Ammonia; Animals; Cattle; Hydrogen-Ion Concentration; In Vitro Techniques; Oxidation-Reduction; Rumen; Time Factors; Urea; Urease | 1970 |
Effect of sex and pregnancy on formation of urea and ammonia during gluconeogenesis in the perfused rat liver.
Topics: Alanine; Ammonia; Animals; DNA; Female; Gluconeogenesis; Liver; Male; Nitrogen; Perfusion; Pregnancy; Rats; Sex Factors; Urea | 1970 |
[Changes in carbohydrate and amino acid metabolism in dog brain in experimental alloxan diabetes. 2].
Topics: Ammonia; Animals; Arteries; Aspartic Acid; Blood Glucose; Citrulline; Diabetes Mellitus, Experimental; Dogs; Glutamates; Glutamine; Glutathione; Ketoglutaric Acids; Male; Pyruvates; Urea; Veins | 1970 |
Ammonia intoxication resulting from urea ingestion by ponies.
Topics: Ammonia; Animal Feed; Animals; Blood Chemical Analysis; Blood Glucose; Body Fluids; Cecum; Horse Diseases; Horses; Ketoglutaric Acids; Neurologic Manifestations; Poisoning; Pyruvates; Urea; Urease | 1970 |
Feed processing. VII. Effect of an expansion-processed mixture of grain and urea (starea) on rumen metabolism in cattle and on urea toxicity.
Topics: Ammonia; Animal Feed; Animals; Cattle; Dairying; Edible Grain; Fatty Acids; Polyethylenes; Rumen; Urea | 1970 |
Feeding encapsulated methionine supplement to lactating cows.
Topics: Amino Acids; Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Caseins; Cattle; Creatinine; Female; Lactation; Lipids; Methionine; Milk; Nitrogen; Pregnancy; Urea | 1970 |
Kinetic study of the deamidation of growth hormone and prolactin.
Topics: Amides; Ammonia; Animals; Cattle; Chemical Phenomena; Chemistry; Drug Stability; Electrophoresis, Disc; Growth Hormone; Humans; Hydrogen-Ion Concentration; Isoelectric Focusing; Kinetics; Osmolar Concentration; Pituitary Gland; Prolactin; Sheep; Temperature; Urea | 1970 |
Nutritive value of high lysine corn: deficiencies and availabilities of growing swine.
Topics: Ammonia; Animal Nutritional Physiological Phenomena; Animals; Body Weight; Glycine max; Isoleucine; Lysine; Male; Nutritional Requirements; Swine; Urea; Zea mays | 1970 |
Osmoregulation and urea metabolism in the little skate Raja erinacea.
Topics: Adaptation, Physiological; Ammonia; Animals; Body Weight; Chlorides; Diuresis; Extracellular Space; Fishes; Glomerular Filtration Rate; Hematocrit; Oxides; Seawater; Sodium Chloride; Urea; Water-Electrolyte Balance | 1971 |
Renal function in the hibernating ground squirrel Spermophilus columbianus.
Topics: Ammonia; Animals; Arousal; Body Temperature; Hibernation; Kidney; Osmolar Concentration; Potassium; Sciuridae; Sodium; Urea | 1971 |
Protein and nonprotein nitrogen utilization in the horse.
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Cecum; Cellulose; Dietary Proteins; Digestion; Feces; Horses; Nitrogen; Proteins; Solubility; Urea | 1971 |
Activation energies for the ATP-driven reversal of oxidative phosphorylation in submitochondrial particles.
Topics: Adenosine Triphosphate; Ammonia; Aniline Compounds; Ascorbic Acid; Binding Sites; Cytochromes; Electron Transport; Energy Transfer; In Vitro Techniques; Magnesium; Mercury; Mitochondria; Oligomycins; Organometallic Compounds; Oxidative Phosphorylation; Stimulation, Chemical; Sulfhydryl Compounds; Sulfonic Acids; Temperature; Thermodynamics; Urea | 1971 |
Familial protein intolerance. Possible nature of enzyme defect.
Topics: Adult; Alanine; Amino Acid Metabolism, Inborn Errors; Amino Acids; Ammonia; Atrophy; Biological Transport; Blood Cell Count; Blood Glucose; Blood Urea Nitrogen; Bone Diseases; Brain Diseases; Dietary Proteins; Female; Glutaminase; Glutamine; Hemoglobins; Humans; Intellectual Disability; Kidney; Kidney Function Tests; Lysine; Metabolism, Inborn Errors; Nitrogen; Proteins; Specific Gravity; Urea; Urine | 1971 |
Amino acid metabolism in the isolated perfused rat liver.
Topics: Alanine; Amino Acids; Ammonia; Animals; Aspartic Acid; Chromatography; Glutamates; Glycine; In Vitro Techniques; Liver; Lysine; Male; Methionine; Nitrogen Isotopes; Perfusion; Phenylalanine; Proline; Rats; Serine; Threonine; Tryptophan; Tyrosine; Urea | 1971 |
Equilibration of hypertonic solutions of urea and ammonia in the body fluids: study by following levels in blood and thoracic-duct lymph.
Topics: Ammonia; Animals; Dogs; Hematocrit; Hypertonic Solutions; Injections, Intravenous; Kidney Failure, Chronic; Liver Diseases; Nephrectomy; Postural Balance; Thoracic Duct; Urea | 1971 |
[Citrullinemia].
Topics: Alanine; Amino Acid Metabolism, Inborn Errors; Ammonia; Autopsy; Chromatography; Citrulline; Humans; Infant; Lysine; Male; Urea | 1971 |
[Effect of tetracycline on the gastric secretion in dogs under various condition of the nervous system].
Topics: Ammonia; Animals; Barbiturates; Caffeine; Central Nervous System; Depression, Chemical; Dogs; Gastric Acidity Determination; Gastric Juice; Gastric Mucosa; Stimulation, Chemical; Stomach; Tetracycline; Urea | 1971 |
[Hepatic encephalopathy and its therapy with lactulose].
Topics: Ammonia; Disaccharides; Electroencephalography; Encephalitis; Humans; Hydrogen-Ion Concentration; Liver Diseases; Nervous System Diseases; Portal System; Urea | 1971 |
Studies on the transition to ureotelism in the earthworm Lumbricus terrestris L.
Topics: Ammonia; Animals; Annelida; Endocrine Glands; Nitrogen; Urea | 1971 |
Ruminal NH 3 ,pH and VFA of beef cattle on orchardgrass pasture and self-fed liquid molasses-urea or ground corn-fat supplements.
Topics: Ammonia; Animal Feed; Animals; Cattle; Cellulose; Dietary Fats; Dietary Proteins; Fatty Acids; Fermentation; Food Additives; Hydrogen-Ion Concentration; Molasses; Poaceae; Rumen; Urea; Zea mays | 1971 |
Metabolism of basic amino acids in Pseudomonas putida. Intermediates in L-arginine catabolism.
Topics: Amides; Aminobutyrates; Ammonia; Arginine; Butyrates; Canavanine; Carbon Isotopes; Chemical Phenomena; Chemistry; Chromatography, Paper; Chromatography, Thin Layer; Citrulline; Computers; Drug Stability; Electrophoresis; Enzyme Induction; Guanidines; Hot Temperature; Hydrogen-Ion Concentration; Keto Acids; Kinetics; Malates; Paper; Pseudomonas; Tritium; Urea | 1971 |
Biuret and urea in supplements for bovines fed green chop elephant grass.
Topics: Acetates; Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Cattle; Dietary Proteins; Fatty Acids, Nonesterified; Food Additives; Hydrogen-Ion Concentration; Poaceae; Rumen; Urea | 1971 |
Hydrolysis of 14 C-biuret by in vitro rumen fermentation and crude biuretase preparations.
Topics: Ammonia; Animals; Carbon Dioxide; Carbon Isotopes; Cattle; Fermentation; Hydrolysis; In Vitro Techniques; Rumen; Sheep; Urea; Urease | 1971 |
Hydrolysis of 15 N-biuret by in vitro rumen fermentation and ruminal biuretase.
Topics: Amino Acids; Ammonia; Animals; Bacterial Proteins; Cattle; Fermentation; Hydrolysis; In Vitro Techniques; Nitrogen; Nitrogen Isotopes; Radioisotopes; Rumen; Sheep; Urea; Urease | 1971 |
Influence of certain nutritional and physiological factors on urea toxicity in sheep.
Topics: Age Factors; Ammonia; Animal Nutritional Physiological Phenomena; Animals; Dietary Proteins; Fasting; Lethal Dose 50; Nitrogen; Poisoning; Sheep; Sheep Diseases; Urea | 1971 |
Ammonia in the large intestine of herbivores.
Topics: Ammonia; Animal Feed; Animals; Cecum; Female; Horses; Intestine, Large; Intestine, Small; Male; Sheep; Urea; Urease; Water | 1971 |
The effect of dietary content of plant protein on the utilization of urea in the bovine rumen.
Topics: Amines; Amino Acids; Ammonia; Analysis of Variance; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Cattle; Hydrogen-Ion Concentration; Male; Plant Proteins; Rumen; Urea | 1971 |
Bilirubin and alkaline phosphatase clearance from blood-plasma by perfusion through activated carbon.
Topics: Adsorption; Alkaline Phosphatase; Ammonia; Animals; Bile; Bilirubin; Blood; Blood Cells; Calcium; Carbon; Cholestasis; Dogs; Humans; Hydrogen-Ion Concentration; Methods; Perfusion; Transaminases; Urea; Urine | 1971 |
A method for investigating renal papillary solute concentrations.
Topics: Ammonia; Animals; Centrifugation; Diatrizoate; Extracellular Space; Iodine Isotopes; Kidney; Kidney Pelvis; Methods; Potassium; Rats; Sodium; Urea; Urine | 1971 |
Digestion and absorption of 15N-labelled microbial protein in the large intestine of the horse.
Topics: Amino Acids; Ammonia; Animals; Bacterial Proteins; Cecum; Digestion; Horses; Intestinal Absorption; Lysine; Nitrogen Isotopes; Urea | 1971 |
Pharmacological studies on the mechanism of gastric ammonia production in relation to peptic ulcer remedies.
Topics: Ammonia; Animals; Gastric Juice; Gastric Mucosa; Guinea Pigs; Mice; Peptic Ulcer; Rats; Urea; Urease | 1967 |
[Free amino acids and other ninhydrin-positive substances in the normal horny layer and in psoriasis scales].
Topics: Alanine; Amino Acids; Ammonia; Asparagine; Chromatography; Citrulline; Cysteine; Glycine; Histidine; Humans; Imidazoles; Phenylalanine; Proline; Psoriasis; Serine; Skin; Taurine; Threonine; Urea | 1967 |
Composition of normal urine in students of the University of Malaya.
Topics: Amino Acids; Ammonia; Calcium; Creatinine; Diet; Female; Humans; Hydrogen-Ion Concentration; Malaysia; Male; Nitrogen; Phosphorus; Potassium; Sex Factors; Sodium; Specific Gravity; Sulfur; Urea; Uric Acid; Urine | 1967 |
[On ammonia metabolism of the liver].
Topics: Ammonia; Animals; Blood Flow Velocity; Carbohydrate Metabolism; Carbon Dioxide; Carbon Isotopes; Carboxy-Lyases; Chemotherapy, Cancer, Regional Perfusion; Citric Acid Cycle; In Vitro Techniques; Liver; Oxygen Consumption; Rats; Regional Blood Flow; Urea | 1967 |
[Blood ammonia antagonistic and hepatoprotective effect of a combination of arginine, taurine and vitamin B6 pyrrolidon-carboxylate].
Topics: Ammonia; Animals; Arginine; Carbon Tetrachloride Poisoning; Chemical and Drug Induced Liver Injury; Pyridoxine; Pyrrolidinones; Quaternary Ammonium Compounds; Rabbits; Rats; Taurine; Urea | 1967 |
[Studies on uric acid, urea-N and NH3 in the cerebrospinal fluid of ocular fundus disease].
Topics: Ammonia; Eye Diseases; Female; Fundus Oculi; Humans; Male; Nitrogen; Urea; Uric Acid | 1967 |
Evaluation of urea-phosphate as a source of nitrogen and phosphorus for ruminants.
Topics: Ammonia; Animal Feed; Animals; Bone and Bones; Calcium; Cattle; Female; Glycine max; Hydrogen-Ion Concentration; Kidney; Liver; Male; Nitrogen; Phosphates; Phosphoric Acids; Phosphorus; Rumen; Sheep; Urea | 1967 |
Effects of urease inhibition in hyperammonemia: clinical and experimental studies with acetohydroxamic acid.
Topics: Aged; Ammonia; Animals; Bilirubin; Budd-Chiari Syndrome; Dogs; Fasting; Female; Hepatic Encephalopathy; Hepatitis; Humans; Hydroxamic Acids; Liver Cirrhosis; Liver Diseases; Male; Metabolic Diseases; Middle Aged; Necrosis; Neomycin; Portacaval Shunt, Surgical; Serum Albumin; Urea; Urease | 1968 |
Evaluation of urea, biuret, urea phosphate and uric acid as NPN sources for cattle.
Topics: Amino Acids; Ammonia; Animal Nutritional Physiological Phenomena; Animals; Cattle; Diet; Hydrogen-Ion Concentration; Male; Nitrogen; Phosphates; Rumen; Urea; Uric Acid | 1968 |
Water intake and cycling of nitrogen to the stomach in the sheep.
Topics: Ammonia; Animals; Blood Urea Nitrogen; Duodenum; Nitrogen; Protein Biosynthesis; Sheep; Stomach, Ruminant; Urea; Water | 1968 |
The 'neurotoxicity' of L-2,4-diaminobutyric acid.
Topics: Aminobutyrates; Ammonia; Animals; Arginine; Aspartic Acid; Blood Glucose; Brain Chemistry; Chickens; Chromatography, Ion Exchange; Glutamates; Glutamine; In Vitro Techniques; Leucine; Liver; Lysine; Male; Ornithine; Ornithine Carbamoyltransferase; Potassium; Quaternary Ammonium Compounds; Rats; Sodium; Spectrophotometry; Time Factors; Urea; Urine | 1968 |
Urea excretion in the bullrog tadpole: effect of temperature, metamorphosis, and thyroid hormones.
Topics: Ammonia; Animal Nutritional Physiological Phenomena; Animals; Anura; Metamorphosis, Biological; Nitrogen; Starvation; Temperature; Thyroid Hormones; Thyroxine; Triiodothyronine; Urea | 1968 |
Renal function and nephron structure in the miniature pig.
Topics: Ammonia; Animals; Bicarbonates; Blood Gas Analysis; Blood Proteins; Calcium; Chlorides; Creatinine; Female; Inulin; Kidney; Kidney Function Tests; Microscopy, Electron; Osmosis; Phosphorus; Potassium; Sodium; Swine; Urea | 1968 |
Comparison of metabolic responses of rats to hypoxic stress produced by two methods.
Topics: Allantoin; Ammonia; Animals; Blood Glucose; Fasting; Hypoxia; Lactates; Liver Glycogen; Male; Nitrogen; Oxygen Consumption; Rats; Stress, Physiological; Urea | 1968 |
Effects of growth hormone and cortisol on endocrine-deficient rats subjected by hypoxia.
Topics: Adrenal Glands; Adrenalectomy; Allantoin; Ammonia; Animals; Blood Glucose; Fasting; Fatty Acids, Nonesterified; Glycogen; Growth Hormone; Hydrocortisone; Hypophysectomy; Hypoxia; Lactates; Liver Glycogen; Male; Myocardium; Nitrogen; Oxygen Consumption; Phosphorus; Pituitary Gland; Rats; Stress, Physiological; Urea | 1968 |
Formation and volatilization of ammonia gas by terrestrial snails.
Topics: Ammonia; Animals; Arginase; Arginine; Bicarbonates; Blood; Carbon Dioxide; Carbon Isotopes; Estivation; Exocrine Glands; Extremities; Hydrogen-Ion Concentration; Kidney; Liver; Lung; Muscles; Pancreas; Paraffin; Snails; Urea; Urease; Urogenital System | 1968 |
Biosynthesis of urea in the estivating African lungfish and in Xenopus laevis under conditions of water-shortage.
Topics: Adaptation, Physiological; Ammonia; Animals; Anura; Arginase; Carbamates; Carbon Dioxide; Carbon Isotopes; Estivation; Fishes; Ligases; Lyases; Methods; Phosphotransferases; Physiology; Physiology, Comparative; Starvation; Time Factors; Urea; Water | 1968 |
Variations in blood and coelomic fluid ammonia and urea levels in the earthworm Lumbricus terrestris L.
Topics: Ammonia; Animals; Annelida; Blood Urea Nitrogen; Body Fluids; Starvation; Statistics as Topic; Urea | 1968 |
[Cation transport, hemolysis and fragmentation ofhuman erythrocytes n uea olutions].
Topics: Ammonia; Ammonium Chloride; Biological Transport, Active; Cell Membrane Permeability; Electrophoresis; Erythrocytes; Hemolysis; Humans; In Vitro Techniques; Lactates; Nucleosides; Potassium; Sodium; Urea | 1968 |
The conversion of creatinine by creatininase of bacterial origin.
Topics: Acetates; Ammonia; Chromatography, Paper; Creatinine; Guanidines; Nitrogen; Oxygen; Pseudomonas; Urea; Ureohydrolases | 1968 |
The production of externally measurable ammonia and urea in the snail, Lymnaea stagnalis jugularis Say.
Topics: Ammonia; Animals; Colorimetry; Snails; Urea | 1968 |
Transfer of urea nitrogen across the rumen wall.
Topics: Ammonia; Animals; Antipyrine; Goats; Nitrogen; Rumen; Sheep; Urea; Urease | 1968 |
Validity of net renal hydrogen ion excretion in the presence of urinary tract infection.
Topics: Ammonia; Humans; Hydrogen-Ion Concentration; Methods; Proteus; Urea; Urinary Tract Infections; Urine | 1968 |
Comparative ammonia toxicity.
Topics: Acetates; Ammonia; Animals; Chickens; Female; Injections, Intraperitoneal; Injections, Intravenous; Male; Mice; Physiology, Comparative; Quaternary Ammonium Compounds; Species Specificity; Urea; Uric Acid | 1968 |
Ammonia detoxication by pyrrolidonecarboxilate-arginine mixture.
Topics: Ammonia; Animals; Arginine; Biotransformation; Drug Synergism; Female; Models, Biological; Pyrrolidinones; Quaternary Ammonium Compounds; Rats; Urea; Urease | 1968 |
Some characteristics of blood in normal and immune rabbits after urease injection.
Topics: Ammonia; Animals; Blood Glucose; Chlorides; Hematocrit; Hemoglobinometry; Immune Sera; Immunity, Active; Immunity, Maternally-Acquired; Injections, Intraperitoneal; Injections, Intravenous; Leukocyte Count; Leukocytes; Leukopenia; Mice; Rabbits; Urea; Urease | 1968 |
Urinary nitrogen excretion in fowls fed acid or alkali.
Topics: Acid-Base Equilibrium; Ammonia; Animals; Bicarbonates; Caseins; Chickens; Creatinine; Dietary Proteins; Hydrochloric Acid; Hydrogen-Ion Concentration; Male; Urea; Uric Acid | 1968 |
[Hereditary anomalies of the urea cycle].
Topics: Ammonia; Arginine; Citrulline; Humans; Ligases; Lyases; Metabolism, Inborn Errors; Ornithine Carbamoyltransferase; Phosphotransferases; Succinates; Urea | 1968 |
Hereditary metabolic disorders involving the urea cycle.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Humans; Infant; Infant, Newborn; Lyases; Male; Ornithine Carbamoyltransferase; Urea | 1968 |
[On the question of biosynthesis of 2 acetyl-2 decarboxamidooxytetracycline by the culture Act. rimosus].
Topics: Actinomyces; Ammonia; Asparagine; Aspartic Acid; Culture Media; Glutamates; Glutamine; Oxytetracycline; Streptomyces; Sulfates; Time Factors; Urea | 1968 |
A study of 2,4,6-trinitrobenzenesulfonic acid for automated amino acid chromatography.
Topics: Alanine; Amino Acids; Ammonia; Arginine; Aspartic Acid; Autoanalysis; Chromatography; Cystine; Glycine; Histidine; Hydrogen-Ion Concentration; Indicators and Reagents; Isoleucine; Leucine; Lysine; Methionine; Methods; Nitrobenzenes; Phenylalanine; Proline; Serine; Spectrophotometry; Sulfonic Acids; Temperature; Threonine; Tryptophan; Tyrosine; Urea; Valine | 1968 |
An adenosine triphosphate-dependent, avidin-sensitive enzymatic cleavage of urea in yeast and green algae.
Topics: Adenine Nucleotides; Adenosine Triphosphate; Ammonia; Biotin; Candida; Carbon Dioxide; Carbon Isotopes; Centrifugation; Chromatography, Gel; Chromatography, Ion Exchange; Eukaryota; Ovalbumin; Urea; Urease; Vibration | 1968 |
[Reasearch on the influence of muscular activity on nitrogen metabolism and on the protein requirement of man].
Topics: Adult; Ammonia; Dietary Proteins; Humans; Hydrogen-Ion Concentration; Male; Metabolism; Muscles; Nitrogen; Physical Exertion; Proteins; Respiration; Sweating; Temperature; Time Factors; Urea | 1968 |
Observations on urea toxicity in sheep.
Topics: Ammonia; Animal Feed; Animals; Female; Male; Rumen; Sheep; Sheep Diseases; Urea | 1968 |
Nitrogen metabolism in the terrestrial isopod, Oniscus asellus.
Topics: Ammonia; Animals; Arginase; Crustacea; Ligases; Methods; Nitrogen; Ornithine Carbamoyltransferase; Phosphotransferases; Transaminases; Transferases; Urea; Uric Acid | 1968 |
Neurological abnormalities in primary hyperammonaemia.
Topics: Ammonia; Diet Therapy; Dietary Proteins; Female; Humans; Infant; Intellectual Disability; Lysine; Metabolism, Inborn Errors; Nervous System Diseases; Urea | 1968 |
Ammonia nitrogen, urea and uric acid blood levels in the mother and in both umbilical vessels at delivery.
Topics: Ammonia; Arm; Delivery, Obstetric; Female; Humans; Maternal-Fetal Exchange; Nitrogen; Pregnancy; Umbilical Arteries; Umbilical Veins; Urea; Uric Acid | 1968 |
Effects of water diuresis and osmotic (mannitol) diuresis on urinary solute excretion by the conscious rat.
Topics: Ammonia; Animals; Body Fluids; Circadian Rhythm; Consciousness; Diuresis; Male; Mannitol; Potassium; Rats; Sodium; Urea; Vasopressins; Water | 1968 |
The time course of changes in renal tissue composition during mannitol diuresis in the rat.
Topics: Ammonia; Animals; Cell Membrane Permeability; Diuresis; Infusions, Parenteral; Kidney; Male; Mannitol; Potassium; Rats; Sodium; Time Factors; Urea; Water | 1968 |
The time course of changes in renal tissue composition duruig water diuresis in the rat.
Topics: Ammonia; Animals; Biological Transport, Active; Cell Membrane Permeability; Diuresis; Glucose; Infusions, Parenteral; Kidney; Male; Osmolar Concentration; Potassium; Rats; Sodium; Time Factors; Urea; Vasopressins; Water | 1968 |
[On the action mechanism of lactulose in hepatic coma--clarification of colon urease activity using C-14 urea in rats].
Topics: Ammonia; Animals; Carbon Dioxide; Carbon Isotopes; Colon; Disaccharides; Feces; Hepatic Encephalopathy; Hydrogen-Ion Concentration; Injections, Intraperitoneal; Neomycin; Rats; Urea; Urease | 1968 |
Effect of thyroid hormones on some enzymes of nitrogen metabolism.
Topics: Ammonia; Animals; Antithyroid Agents; Aspartic Acid; Dactinomycin; Depression, Chemical; Diet; Ethionine; Glutaminase; Glutamine; Hyperthyroidism; Hypothyroidism; Kidney; Ligases; Liver; Male; Ornithine; Phosphotransferases; Propylthiouracil; Puromycin; Rats; Stimulation, Chemical; Thyroid Hormones; Transaminases; Transferases; Urea | 1968 |
Volatile carbonyl compounds in the milk fat of normally-and synthetically-fed cows.
Topics: Aldehydes; Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Butter; Cattle; Chromatography, Thin Layer; Ketones; Milk; Phenylhydrazines; Urea | 1968 |
The chemical composition of faeces in uraemia, as revealed by in-vivo faecal dialysis.
Topics: Ammonia; Anti-Bacterial Agents; Blood Urea Nitrogen; Dialysis; Feces; Humans; Hydrogen-Ion Concentration; Potassium; Sodium; Spironolactone; Urea; Uremia | 1968 |
[Metabolites of urea synthesis following localized liver irradiation].
Topics: Ammonia; Animals; Arginine; Liver; Male; Methods; Ornithine; Radiation Effects; Rats; Urea | 1968 |
Dietary protein effects on urinary nitrogen components of the hen.
Topics: Amino Acids; Ammonia; Animal Feed; Animals; Chickens; Creatine; Dietary Proteins; Nitrogen; Urea; Uric Acid | 1968 |
[The value of raw protein for meeting protein needs in milk production. 2d communication. Nitrogen utilization during lactation with special consideration to urea utilization].
Topics: Ammonia; Animal Nutritional Physiological Phenomena; Animals; Cattle; Dietary Proteins; Feces; Female; Gastric Juice; Lactation; Nitrogen; Pregnancy; Urea | 1968 |
The effect of protein intake on maximum urine and renal tissue water-solute concentrations in the muskrat (Ondatra zibethica osoyoosensis, Lord).
Topics: Ammonia; Animals; Dietary Proteins; Kidney; Osmolar Concentration; Rodentia; Salts; Urea; Urine; Water-Electrolyte Balance | 1968 |
Nitrogen excretion in crustacea. I. The herbivorous land crab Cardiosoma guanhumi Latreille.
Topics: Ammonia; Animals; Antifungal Agents; Crustacea; Dehydration; Diet; Female; Gills; Metabolism; Nitrogen; Urea; Urease; Uric Acid | 1968 |
[72 cases of hepatic coma. Trial clinical, biological and anatomical correlation apropos of 105 cases].
Topics: Adult; Aged; Ammonia; Brain; Electroencephalography; Female; Hepatic Encephalopathy; Humans; Male; Middle Aged; Neurologic Manifestations; Urea | 1968 |
A study of ammonia and urea production and excretion in the fresh-water-adapted form of the Pacific lempry, Entosphenus tridentatus.
Topics: Ammonia; Animals; Arginase; Biological Evolution; Carbamates; Citrulline; Fishes; Gills; Hydrogen-Ion Concentration; Kidney; Kinetics; Liver; Manganese; Ornithine; Phosphotransferases; Seawater; Urea | 1968 |
Nitrogen balance after intravenous and oral administration of ammonium salts to man.
Topics: Ammonia; Diet; Female; Humans; Injections, Intravenous; Liver; Male; Methods; Nitrogen; Quaternary Ammonium Compounds; Urea | 1969 |
The effect of glycine on ammonia intoxication and uric acid biosynthesis in the avian species.
Topics: Ammonia; Animals; Biotransformation; Carbon Isotopes; Chickens; Drug Antagonism; Female; Glucose; Glycine; Kidney; Liver; Male; Mice; Nitrogen; Purines; Radioisotopes; Stimulation, Chemical; Urea; Uric Acid | 1969 |
Comparative utilization of glycine-N15 administered orally or parenterally.
Topics: Ammonia; Animals; Blood Proteins; Cellulose; Chromatography, Ion Exchange; Dogs; Female; Glycine; Injections, Intravenous; Injections, Subcutaneous; Nitrogen; Radioisotopes; Urea | 1969 |
Studies with 15N-labeled ammonia and urea in the malnourished child.
Topics: Ammonia; Blood Proteins; Feces; Humans; Infant; Infant Nutrition Disorders; Kwashiorkor; Male; Nitrogen; Radioisotopes; Urea | 1969 |
Effect of age on the activity of arginase of the liver and kidney cortex of rat.
Topics: Aging; Ammonia; Animals; Arginase; Biotransformation; Body Weight; Kidney; Liver; Male; Rats; Urea | 1969 |
The neurotoxicity of beta-N-oxalyl-L-alphabeta-diaminopropionic acid, the neurotoxin from the pulse Lathyrus sativus.
Topics: Age Factors; Ammonia; Animals; Aspartic Acid; Brain; Brain Chemistry; Glutamates; Glutamine; Injections, Intraperitoneal; Lathyrism; Liver; Propionates; Rats; Seizures; Toxins, Biological; Urea | 1969 |
Bacterial degradation of biotin. 3. Metabolism of 14C-carbonyl-labeled biotin.
Topics: Ammonia; Bacteria; Biotin; Carbamates; Carbon Dioxide; Carbon Isotopes; Chromatography, Ion Exchange; Chromatography, Paper; Infrared Rays; Magnetic Resonance Spectroscopy; Spectrum Analysis; Uracil; Urea; Urease | 1969 |
Ammonia toxicity in seleed fishes.
Topics: Acclimatization; Acetates; Ammonia; Animals; Cyprinidae; Drug Tolerance; Fishes; Salmonidae; Species Specificity; Temperature; Urea; Uric Acid | 1969 |
Impaired ammonia metabolism in severe hepatic disease.
Topics: Ammonia; Glycine; Humans; Injections, Intravenous; Liver Cirrhosis; Liver Neoplasms; Time Factors; Urea | 1969 |
[Hepatic depuration with heterologous liver. Physiopathological presuppositions, indications and metabolic and hemodynamic characteristics of the experimental preparation].
Topics: Ammonia; Animals; Glucose; Hemodynamics; Hepatic Encephalopathy; Liver; Liver Circulation; Liver Diseases; Perfusion; Proteins; Swine; Urea | 1969 |
Glutamate oxidation in rat-liver homogenate.
Topics: Adenine Nucleotides; Ammonia; Animals; Arginine; Aspartic Acid; Citrulline; Glutamates; Glutaminase; Glutamine; Kinetics; Liver; Nitrogen; Rats; Urea; Urease | 1969 |
Estimation of urea in rumen contents and the rate of urea degradation in the rumen of adult sheep.
Topics: Ammonia; Animals; Hydrogen-Ion Concentration; Methods; Rumen; Sheep; Urea | 1969 |
Removal of waste metabolites in uremia by microencapsulated reactants.
Topics: Adsorption; Ammonia; Carbon; Chelating Agents; Chemical Phenomena; Chemistry; Glycols; Humans; Kidneys, Artificial; Methods; Methylcellulose; Polymers; Renal Dialysis; Toxins, Biological; Urea; Urease; Uremia | 1969 |
Nitrogen excretion by the spiny lobster Jasus edwardsi (Hutton): the role of the antennal gland.
Topics: Amino Acids; Ammonia; Animals; Body Weight; Crustacea; Nitrogen; Urea | 1969 |
The renal excretion of nitrogenous compounds by the duck (Anas platyrhynchos) maintained on freshwater and on hypertonic saline.
Topics: Adaptation, Biological; Aminohippuric Acids; Ammonia; Animals; Body Weight; Ducks; Glomerular Filtration Rate; Hypotonic Solutions; Inulin; Kidney; Kidney Concentrating Ability; Male; Methods; Nitrogen; Organ Size; Sodium Chloride; Urea; Uric Acid; Water | 1969 |
Variations in nitrogenous compounds in the urine of Strophocheilus (Pulmonata, Mollusca) with different diets.
Topics: Ammonia; Animals; Creatinine; Diet; Kidney; Nitrogen; Snails; Urea; Uric Acid; Vegetables | 1969 |
The hyper-ammonemia and its treatment.
Topics: Ammonia; Humans; Metabolism, Inborn Errors; Urea | 1969 |
[Metabolism of ammonia. IV. Effect in vivo of long-term administration of ammonium sulfate and arginine on the specific activity of the urea cycle enzymes].
Topics: Ammonia; Animals; Arginase; Arginine; Body Weight; Ligases; Liver; Lyases; Organ Size; Phosphotransferases; Quaternary Ammonium Compounds; Rats; Succinates; Sulfates; Transferases; Urea | 1969 |
Ammonia metabolism in renal failure.
Topics: Ammonia; Anti-Bacterial Agents; Feces; Humans; Kidney Failure, Chronic; Nitrogen; Protein Biosynthesis; Radioisotopes; Serum Albumin; Urea; Uremia | 1969 |
Insulin, ammonium, and glucose after portacaval shunting.
Topics: Adenosine Triphosphate; Ammonia; Animals; Arginase; Arginine; Blood Glucose; Citric Acid Cycle; Dogs; Glucose; Glucose Tolerance Test; Injections, Intravenous; Insulin; Insulin Secretion; Liver; Lyases; Phosphates; Portacaval Shunt, Surgical; Succinates; Urea | 1969 |
Comparison of the efficiency of proteins contained in lucerne hay and soya-bean meal for sheep.
Topics: Alanine; Amino Acids; Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Fatty Acids; Female; Glycine max; Male; Nitrogen; Plant Proteins; Poaceae; Proline; Protein Biosynthesis; Rumen; Sheep; Urea; Valerates; Valine | 1969 |
[Metabolism of ammonia. 3. Effect in vitro of arginine on the physiological activity of the urea cycle enzymes during ammonia poisoning].
Topics: Ammonia; Animals; Arginase; Arginine; Citrulline; Epinephrine; Hormones; In Vitro Techniques; Ligases; Liver; Norepinephrine; Ornithine; Rats; Transferases; Urea | 1969 |
[Studies on myocardial metabolism in the ischemic heart. 1. Studies on ammonia metabolism].
Topics: Amino Acids; Ammonia; Animals; Coronary Disease; Dogs; Electrocardiography; Glutamates; Hemodynamics; Ketoglutaric Acids; Lactates; Myocardium; Nucleosides; Oxygen; Phosphorus; Pyruvates; Urea | 1969 |
Composition of fluid in twelve cysts of a polycystic kidney.
Topics: Adult; Amino Acids; Ammonia; Body Fluids; Calcium; Chromatography; Creatinine; Glucose; Humans; Hydrogen; Magnesium; Male; Nitrogen; Osmolar Concentration; Osmosis; Polycystic Kidney Diseases; Potassium; Sodium; Urea; Water | 1969 |
Clinical and experimental evaluation of different irrigating fluids for transurethral surgery.
Topics: Absorption; Ammonia; Animals; Blood; Dogs; Electrolytes; Glucose; Glycine; Hemolysis; Humans; Prostatectomy; Therapeutic Irrigation; Urea | 1965 |
The iodination of chymotrypsinogen.
Topics: Ammonia; Autoradiography; Chemical Phenomena; Chemistry; Chymotrypsin; Enzyme Precursors; Histidine; In Vitro Techniques; Iodine; Peptides; Tyrosine; Urea | 1964 |
Growth of rats fed chlortetracycline or an exhange resin.
Topics: Ammonia; Animals; Body Weight; Chlortetracycline; Diet; Digestive System; Growth; Intestinal Absorption; Intestinal Mucosa; Ion Exchange Resins; Male; Rats; Urea | 1965 |
Bacterial degradation of riboflavin. VI. Enzymatic conversion of riboflavin to 1-ribityl-2,3-diketo-1,2,3,4-tetrahydro-6, 7-dimethylquinoxaline, urea, and carbon dioxide.
Topics: Ammonia; Biphenyl Compounds; Borates; Carbon Dioxide; Copper; Flavin Mononucleotide; Flavins; In Vitro Techniques; Kinetics; Mercury; Phenanthrolines; Pseudomonas; Quinoxalines; Riboflavin; Sulfites; Urea | 1965 |
[Studies on the catabolism of non-proteinic nitrogenous compounds in the rumen of ruminants. 3. Ammonia and urea content in the blood of sheep in various feedings].
Topics: Ammonia; Animals; Blood; In Vitro Techniques; Rumen; Sheep; Urea | 1965 |
[Effect of bean diet on the ammonia, urea and electrolyte level of the blood and urine in healthy children].
Topics: Adolescent; Ammonia; Blood; Child; Child, Preschool; Female; Humans; Male; Urea; Urine; Vegetables | 1965 |
The urease activity of fluorescent pseudomonads.
Topics: Ammonia; Fluorescence; In Vitro Techniques; Pseudomonas; Urea; Urease | 1965 |
Direct potentiometric study of the urea-urease system.
Topics: Ammonia; Chemical Phenomena; Chemistry; Kinetics; Potentiometry; Urea; Urease | 1965 |
The protective action of N-acetyl and N-carbamyl derivatives of glutamic and aspartic acids against ammonia intoxication.
Topics: Acetates; Ammonia; Ammonium Chloride; Animals; Antidotes; Aspartic Acid; Blood; Carbamates; Glutamates; Mice; Rats; Urea | 1965 |
[Hyperammonemia and liver circulation].
Topics: Ammonia; Animals; Liver; Rats; Urea | 1965 |
[Ammonium load in liver patients].
Topics: Alanine; Ammonia; Ammonium Chloride; Citric Acid Cycle; Glutamate Dehydrogenase; Humans; Infusions, Parenteral; Ketoglutaric Acids; Liver Diseases; Pyruvates; Urea | 1965 |
Use of the Berthelot reaction in the the automated analysis of serum urea nitrogen.
Topics: Ammonia; Automation; Blood Chemical Analysis; Blood Urea Nitrogen; Colorimetry; Humans; In Vitro Techniques; Indicators and Reagents; Phenols; Sodium Hypochlorite; Urea; Urease | 1966 |
The incorporation of 15N into egg protein.
Topics: Ammonia; Animals; Aspartic Acid; Eggs; Glutamates; In Vitro Techniques; Nitrogen; Poultry; Protein Biosynthesis; Protein Hydrolysates; Radioisotopes; Tyrosine; Urea; Yeasts | 1966 |
Increased intestinal absorption resulting from portal systemic shunting in the dog and man.
Topics: Ammonia; Animals; Dogs; Humans; Hypertension, Portal; Intestinal Absorption; Portal System; Urea; Xylose | 1966 |
Caecal pH and ammonia in experimental uraemia.
Topics: Ammonia; Animals; Cecum; Hydrogen-Ion Concentration; Nephrectomy; Rabbits; Urea; Uremia | 1966 |
Urease activity in blue-green algae.
Topics: Ammonia; Chemical Precipitation; Deuterium; Eukaryota; In Vitro Techniques; Urea; Urease | 1966 |
[Ammoniogenesis--ureogenesis].
Topics: Ammonia; Humans; Urea | 1966 |
[The determination of the ammonia content in concentrated solutions of urea and invert sugar].
Topics: Ammonia; Chemistry Techniques, Analytical; Sucrose; Urea | 1966 |
[Significance of certain physiopathological data in diet therapy of toxic conditions].
Topics: Ammonia; Blood; Diet Therapy; Dietary Proteins; Humans; Infant; Infant Nutrition Disorders; Infant, Newborn; Male; Nitrogen; Urea | 1966 |
Color test for the measurement of antibody to T-strain mycoplasmas.
Topics: Ammonia; Animals; Antibodies; Blood; Coloring Agents; Guinea Pigs; Humans; Hydrogen-Ion Concentration; Immune Sera; In Vitro Techniques; Mycoplasma; Rabbits; Thallium; Urea | 1966 |
Carbamoyl phosphate synthetase in the Elasmobranchii: osmoregulatory function and evolutionary implications.
Topics: Ammonia; Animals; Biological Evolution; Fishes; Glutamine; Homeostasis; In Vitro Techniques; Ligases; Liver; Molecular Biology; Subcellular Fractions; Urea | 1966 |
Free amino acids and water soluble peptides in stratum corneum and skin surface film in human beings.
Topics: Adult; Amino Acids; Ammonia; Chemical Phenomena; Chemistry; Child; Female; Humans; Male; Peptides; Skin; Urea | 1966 |
Gastrointestinal urease in man. II. Urea hydrolysis and ammonia absorption in upper and lower gut lumen and the effect of neomycin.
Topics: Adult; Ammonia; Female; Humans; Intestinal Absorption; Liver Cirrhosis; Male; Middle Aged; Neomycin; Urea; Urease | 1966 |
Photochemistry of 5-bromouracil in aqueous solution.
Topics: Allantoin; Ammonia; Barbiturates; Chemical Phenomena; Chemistry; Orotic Acid; Oxalates; Radiation Effects; Solutions; Ultraviolet Rays; Uracil; Urea | 1966 |
Semipermeable aqueous microcapsules ("artificial cells"): with emphasis on experiments in an extracorporeal shunt system.
Topics: Ammonia; Animals; Dogs; Erythrocytes; Extracorporeal Circulation; Hemoglobins; Kidneys, Artificial; Membranes, Artificial; Silicones; Urea; Urease | 1966 |
Gluconeogenesis in the perfused rat liver.
Topics: Adenosine Triphosphate; Ammonia; Ammonium Chloride; Animals; Calcium; Gluconeogenesis; In Vitro Techniques; Liver; Magnesium; Perfusion; Potassium; Rats; Sodium; Urea | 1966 |
Urea and volatile base in the caeca and colon of the domestic fowl: the problem of their origin.
Topics: Ammonia; Animals; Cecum; Colon; Fatty Acids; Intestinal Mucosa; Poultry; Urea; Urease; Uric Acid | 1966 |
Amino acid pool of the liver fluke (fasciola hepatica L.).
Topics: Amino Acids; Ammonia; Chromatography; Chromatography, Paper; Chromatography, Thin Layer; Fasciola hepatica; Urea | 1966 |
Nyctohemeral saliva extraction and its influence on the chemistry of the blood.
Topics: Adolescent; Adult; Aged; Ammonia; Blood Chemical Analysis; Calcium; Chlorides; Fasting; Female; Humans; Magnesium; Male; Middle Aged; Phosphorus; Potassium; Saliva; Sodium; Sulfur; Urea; Urine | 1966 |
[A study of the synthesis of glucosamine by extracts isolated from Act. streptomycini].
Topics: Actinomyces; Amides; Ammonia; Fructose; Glucosamine; Glucose; Glutamine; In Vitro Techniques; Muramidase; Phosphates; Transaminases; Urea; Urease | 1966 |
[The effect of a portacaval anastomosis in liver cirrhosis on free plasma amino acids and blood ammonia after oral administration of protein].
Topics: Amino Acids; Ammonia; Dietary Proteins; Humans; Liver Cirrhosis; Portacaval Shunt, Surgical; Taurine; Urea | 1966 |
[Perfusion of the isolated rat liver with cattle blood: carbohydrate metabolism, synthesis of urea and plasma proteins and behavior of the blood ammonia level].
Topics: Ammonia; Animals; Blood; Blood Glucose; Blood Proteins; Carbohydrate Metabolism; Cattle; Culture Media; In Vitro Techniques; Lactates; Liver; Liver Circulation; Lysine; Perfusion; Pyruvates; Rats; Urea | 1966 |
[On the function of the rumen wall in cattle].
Topics: Amines; Ammonia; Animal Feed; Animals; Biological Transport; Cattle; Diet; Nitrogen; Permeability; Proteins; Rumen; Symbiosis; Time Factors; Urea | 1966 |
[On uric acid, urea-N and NH3 in the cerebrospinal fluid of cases of ocular fundus diseases after administration of several kinds of vitamins].
Topics: Ammonia; Ascorbic Acid; Eye Diseases; Fundus Oculi; Humans; Riboflavin; Thiamine; Urea; Uric Acid; Vitamin B 12; Vitamins | 1966 |
Treatment of hyperammonemia.
Topics: Acetates; Amino Acid Metabolism, Inborn Errors; Ammonia; Aspartic Acid; Blood Transfusion; Child; Child, Preschool; Citrates; Diet Therapy; Dietary Proteins; Enzymes; Female; Glutamates; Humans; Infant; Liver; Male; Urea | 1967 |
Studies on amino acid metabolism in citrullinuria.
Topics: Amino Acid Metabolism, Inborn Errors; Amino Acids; Ammonia; Blood Chemical Analysis; Caseins; Child; Citrulline; Diet Therapy; Humans; Infant; Intellectual Disability; Ligases; Male; Neomycin; Urea | 1967 |
Citrullinemia. A preliminary case report.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Blood Chemical Analysis; Citrulline; Diet Therapy; Female; Humans; Infant; Ligases; Pyridoxine; Triiodothyronine; Urea | 1967 |
Arginosuccine aciduria.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Arginine; Child; Citrates; Diet Therapy; Glutamates; Humans; Infant; Intellectual Disability; Ligases; Lyases; Male; Phosphorus; Urea | 1967 |
Ammonia and urea in the brain of garden dormice during hibernation.
Topics: Aminobutyrates; Ammonia; Animals; Aspartic Acid; Brain Chemistry; Glutamine; Hibernation; Mice; Urea | 1967 |
Immune inhibition of urea breakdown in patients with cirrhosis.
Topics: Ammonia; Dietary Proteins; Hemagglutination Tests; Hepatic Encephalopathy; Humans; Immunization; Liver Cirrhosis; Urea; Urease | 1967 |
Salivary studies in cystic fibrosis.
Topics: Adolescent; Ammonia; Amylases; Calcium; Carbohydrates; Child; Chlorides; Cystic Fibrosis; Electrophoresis; Female; Humans; Male; Muramidase; Phosphorus; Potassium; Proteins; Saliva; Sodium; Submandibular Gland; Urea; Uric Acid | 1967 |
Influence of urea on the growth of T-strain mycoplasmas.
Topics: Ammonia; Culture Media; Hydrogen-Ion Concentration; Mycoplasma; Quaternary Ammonium Compounds; Urea | 1967 |
Effect of ornithine-aspartate mixture on 15N-ammonia incorporation into urea in intact mice.
Topics: Ammonia; Animals; Aspartic Acid; Injections, Intraperitoneal; Male; Mice; Nitrogen; Ornithine; Radioisotopes; Urea | 1967 |
Rumen pH as a factor for controlling feed intake in ruminants.
Topics: Ammonia; Animal Feed; Animals; Blood Glucose; Cattle; Citrates; Fatty Acids; Hydrogen-Ion Concentration; Lactates; Male; Phosphates; Rumen; Urea | 1967 |
The recovery of amino acids from acid hydrolysates of whole urine from patients with thermal burns.
Topics: Alanine; Amino Acids; Ammonia; Arginine; Aspartic Acid; Burns; Creatine; Glutamates; Glycine; Histidine; Humans; Hydroxyproline; Isoleucine; Leucine; Lysine; Ornithine; Phenylalanine; Proline; Serine; Taurine; Threonine; Tyrosine; Urea; Valine | 1967 |
Nitrogen compounds and electrolytes in the urine of New Guinean sweet potato eaters. A study of normal values.
Topics: Adolescent; Adult; Ammonia; Chlorine; Creatine; Diet; Female; Hippurates; Humans; Male; Native Hawaiian or Other Pacific Islander; New Guinea; Nitrogen; Nutrition Surveys; Potassium; Pregnancy; Sodium; Urea; Uric Acid; Vegetables | 1967 |
Nitrogen metabolism in the ovine. I. Adjustment to a urea-rich diet.
Topics: Ammonia; Animal Feed; Animals; Dietary Proteins; Fatty Acids; Fermentation; Food; Hydrogen-Ion Concentration; In Vitro Techniques; Nitrogen; Rumen; Sheep; Urea | 1967 |
Nitrogen metabolism in the ovine. II. Utilization of blood urea and ammonia.
Topics: Ammonia; Animals; Catheterization; Injections, Intravenous; Nitrogen; Rumen; Sheep; Urea | 1967 |
Removal of ammonia by formation of amino acids in rat liver.
Topics: Amino Acids; Ammonia; Animals; Liver; Rats; Urea | 1967 |
Amino acid metabolism and urea synthesis in naturally aestivating Xenopus laevis.
Topics: Adaptation, Physiological; Alanine Transaminase; Amino Acids; Ammonia; Animals; Anura; Aspartate Aminotransferases; Blood Urea Nitrogen; Liver; Phosphotransferases; Urea | 1967 |
The metabolism of urea and ammonia in the healthy and uraemic colon.
Topics: Ammonia; Anti-Bacterial Agents; Colitis; Colon; Dialysis; Feces; Humans; Intestinal Absorption; Urea | 1967 |
Changes in blood composition in experimental heatstroke.
Topics: Ammonia; Animals; Blood Coagulation Tests; Blood Glucose; Blood Protein Electrophoresis; Erythrocyte Count; Heat Exhaustion; Hematocrit; Hemoglobins; Hemolysis; Lactates; Leukocyte Count; Male; Nitrogen; Pyruvates; Rats; Urea | 1967 |
The effect of diet and of unilateral nephrectomy on the composition of the kidney.
Topics: Ammonia; Ammonium Chloride; Animals; Body Weight; Citrates; Diet; Diuresis; DNA; Kidney; Male; Nephrectomy; Proteins; Rats; RNA; Sodium Chloride; Starvation; Urea | 1967 |
Urea cycle enzymes and urea excretion during the development and metamorphosis of Xenopus laevis.
Topics: Ammonia; Animals; Anura; Arginase; Ligases; Liver; Metamorphosis, Biological; Nitrogen; Ornithine Carbamoyltransferase; Phosphotransferases; Urea | 1967 |
The transfer of nitrogen from the blood to the rumen in sheep.
Topics: Ammonia; Animals; Castration; Male; Nitrogen; Rumen; Sheep; Urea | 1967 |
Relation of blood glucose to blood ammonia and urea cycle enzymes. Studies in patients with portasystemic shunts.
Topics: Ammonia; Arginase; Blood Glucose; Esophageal and Gastric Varices; Female; Glucose Tolerance Test; Hemorrhage; Humans; Ligases; Liver Cirrhosis; Male; Portacaval Shunt, Surgical; Urea | 1967 |
Myocardial amide-nitrogen metabolism with special reference to ammonia metabolism. Studies by the use of the coronary sinus catheterization technique.
Topics: Amino Acids; Ammonia; Ammonium Chloride; Animals; Cardiac Catheterization; Dogs; Electrocardiography; Glutamine; Glutarates; Hemodynamics; Lactates; Myocardium; Pyruvates; Urea | 1967 |
Effect of feeding broken rice grains and decorticated cottonseed meal on feed efficiency, ruminal activity, and blood constituents of early weaned buffalo calves.
Topics: Ammonia; Animal Feed; Animals; Blood Glucose; Cattle; Cottonseed Oil; Fatty Acids; Female; Hemoglobinometry; Nitrogen; Oryza; Rumen; Urea | 1967 |
Ammonia and the regulation of acidity in human eccrine sweat.
Topics: Amino Acids; Ammonia; Chlorides; Female; Humans; Hydrogen-Ion Concentration; Lactates; Male; Potassium; Sodium; Sweat; Urea | 1967 |
Metabolic effects of monomethylhydrazine.
Topics: Aerospace Medicine; Ammonia; Animals; Blood Urea Nitrogen; Calorimetry; Fasting; Fatty Acids, Nonesterified; Hydrazines; Liver; Liver Glycogen; Male; Metabolism; Nicotinic Acids; Nitrogen; Rats; Respiration; Urea | 1967 |
Familial protein intolerance with deficient transport of basic amino acids. An analysis of 10 patients.
Topics: Adolescent; Amino Acid Metabolism, Inborn Errors; Amino Acids; Ammonia; Arginine; Blood Proteins; Child; Child, Preschool; Dietary Proteins; Female; Growth; Hepatomegaly; Humans; Infant; Leukopenia; Liver; Male; Renal Aminoacidurias; Splenomegaly; Urea | 1967 |
Excretory pathways of ammonia and urea in the earthworm Lumbricus terrestris L.
Topics: Ammonia; Animals; Annelida; Feces; Urea | 1967 |
Free amino acids, ammonia and urea concentrations in the blood plasma of starved lambs.
Topics: Age Factors; Alanine; Amino Acids; Ammonia; Analysis of Variance; Animals; Animals, Newborn; Body Weight; Glutamates; Isoleucine; Leucine; Lysine; Sheep; Starvation; Threonine; Urea; Valine | 1967 |
Glutamine synthetase: assimilatory role in liver as related to urea retention in marine chondrichthyes.
Topics: Ammonia; Animals; Brain; Fishes; Glutamate-Ammonia Ligase; Kidney; Liver; Species Specificity; Urea; Water-Electrolyte Balance | 1980 |
Treatment of adult-type citrullinemia with administration of citrate.
Topics: Amino Acids; Ammonia; Circadian Rhythm; Citrates; Citric Acid; Citrulline; Glutamates; Glutamic Acid; Humans; Lactulose; Male; Middle Aged; Urea | 1981 |
Lipid-nylon membrane artificial cells containing multienzyme systems, cofactors and substrates for the sequential conversion of ammonia and urea into glutamate.
Topics: Ammonia; Glutamates; Glutamic Acid; Lipids; Membranes, Artificial; Multienzyme Complexes; Nylons; Urea | 1981 |
Fibrin membrane endowed with biological function. VII. An approach to an artificial liver; conversion of ammonia to urea in vitro.
Topics: Ammonia; Arginase; Argininosuccinate Lyase; Argininosuccinate Synthase; Carbamoyl-Phosphate Synthase (Ammonia); Enzymes, Immobilized; Fibrin; Humans; Inorganic Pyrophosphatase; Liver; Membranes, Artificial; Models, Biological; Ornithine Carbamoyltransferase; Pyrophosphatases; Urea | 1982 |
Interrelationships between urea, ammonia, glucose, insulin and adrenaline during ammonia-urea toxicosis in sheep (Ovis aries).
Topics: Ammonia; Animals; Blood Glucose; Epinephrine; Insulin; Sheep; Time Factors; Urea | 1982 |
[Problems of protein supply in patients with liver cirrhosis].
Topics: Ammonia; Hepatic Encephalopathy; Humans; Liver Cirrhosis; Methionine; Neurotransmitter Agents; Parenteral Nutrition; Phenylalanine; Proteins; Tryptophan; Tyrosine; Urea | 1982 |
Ammonia uptake by skeletal muscle in the hyperammonaemic rat.
Topics: Ammonia; Animals; Blood Glucose; Glutamate-Ammonia Ligase; Glutamine; Ligation; Male; Muscles; Portal Vein; Rats; Transaminases; Urea | 1982 |
Regulation of the n-acetylglutamate content of rat hepatocytes by the glutamate concentration.
Topics: Ammonia; Animals; Aspartic Acid; Citrulline; Diet; Glutamates; Glutamic Acid; Liver; Ornithine; Rats; Urea | 1982 |
Immobilization of multienzymes of urea cycle into fibrin membrane: an approach to an artificial liver.
Topics: Ammonia; Arginase; Argininosuccinate Lyase; Argininosuccinate Synthase; Artificial Organs; Carbamoyl-Phosphate Synthase (Ammonia); Fibrin Fibrinogen Degradation Products; Humans; Liver; Membranes, Artificial; Ornithine Carbamoyltransferase; Pyrophosphatases; Urea | 1982 |
Lactate, alanine and glutamine metabolism in isolated canine pup liver cells.
Topics: Alanine; Ammonia; Animals; Dogs; Female; Glucose; Glutamates; Glutamic Acid; Glutamine; In Vitro Techniques; Kinetics; Lactates; Lactic Acid; Liver; Male; Pyruvates; Pyruvic Acid; Rats; Rats, Inbred Strains; Urea | 1983 |
Ammonia metabolism in the CNS.
Topics: Acyltransferases; Amidohydrolases; Ammonia; Animals; Asparaginase; Brain; Cats; Central Nervous System; Dogs; Energy Metabolism; Enzymes; Epilepsy; Glutamate Dehydrogenase; Glutaminase; Hepatic Encephalopathy; Humans; Hypercapnia; Hypoxia; Mice; Rats; Synapses; Transglutaminases; Urea | 1983 |
Nitrogen regulation of acid phosphatase in Neurospora crassa.
Topics: Acid Phosphatase; Adenosine Monophosphate; Ammonia; Enzyme Repression; Genes, Regulator; Neurospora; Neurospora crassa; Nitrates; Nitrogen; RNA; Urea | 1980 |
Metabolic alterations in the red and white muscles of rat to acute ethanol treatment.
Topics: Ammonia; Animals; Energy Metabolism; Ethanol; Glutamine; Glycolysis; Male; Muscle Proteins; Muscles; Rats; Urea | 1982 |
In vivo evaluation of calcium-loaded zeolites and urease for urea removal in hemodialysis.
Topics: Aluminum Silicates; Ammonia; Animals; Blood Urea Nitrogen; Calcium; Dogs; Renal Dialysis; Sodium; Urea; Urease; Zeolites | 1980 |
Nitrogen metabolism in sheep fed protein sources of various solubilities with low quality roughages.
Topics: Ammonia; Analysis of Variance; Animals; Dietary Fiber; Dietary Proteins; Fatty Acids, Volatile; In Vitro Techniques; Male; Nitrogen; Rumen; Sheep; Solubility; Urea | 1982 |
Prebiotic synthesis in atmospheres containing CH4, CO, and CO2. II. Hydrogen cyanide, formaldehyde and ammonia.
Topics: Ammonia; Atmosphere; Biological Evolution; Carbon Dioxide; Carbon Monoxide; Electricity; Formaldehyde; Gases; Hydrogen Cyanide; Methane; Models, Biological; Urea | 1983 |
Treatment of chronic renal failure with dietary fiber.
Topics: Adolescent; Adult; Ammonia; Colon; Dietary Fiber; Feces; Female; Galactans; Humans; Kidney Failure, Chronic; Male; Middle Aged; Nitrogen; Polysaccharides; Urea | 1984 |
[The effect of zeolite (clinoptilolite) on the post-feeding dynamics of N metabolism in the portal vein, jugular vein and the rumen fluid of bulls].
Topics: Aluminum Silicates; Ammonia; Animal Feed; Animals; Cattle; Male; Rumen; Urea; Zeolites | 1984 |
Effects of L-carnitine on urea synthesis following acute ammonia intoxication in mice.
Topics: Ammonia; Animals; Bicarbonates; Carnitine; Glutamates; Male; Mice; Mitochondria, Liver; Sodium Bicarbonate; Urea | 1984 |
Proteus morgani is less frequently associated with urinary tract infections than Proteus mirabilis--an explanation.
Topics: Ammonia; Bacteriuria; Enzyme Induction; Humans; Hydrogen-Ion Concentration; Proteus; Proteus mirabilis; Urea; Urease | 1983 |
Muscle nitrogen metabolism of freshwater crab, Oziotelphusa senex senex Fabricius, during acute and chronic sumithion intoxication.
Topics: Amino Acids; Ammonia; Animals; Brachyura; Drug Administration Schedule; Fenitrothion; Glutamine; Kinetics; Muscles; Nitrogen; Peptide Hydrolases; Proteins; Urea | 1983 |
Ammoniagenic coma following ureterosigmoidostomy.
Topics: Adolescent; Adult; Ammonia; Bladder Exstrophy; Child; Child, Preschool; Colon, Sigmoid; Coma; Humans; Male; Middle Aged; Proteus vulgaris; Urea; Ureter; Urinary Diversion | 1984 |
Changes in plasma, tissue, and urinary nitrogen metabolites due to an inflammatory challenge.
Topics: Amino Acids; Ammonia; Animals; Chickens; Erythrocytes; Escherichia coli; Hemocyanins; Inflammation; Male; Nitrogen; Sheep; Tissue Distribution; Urea; Uric Acid | 1984 |
Treatment of episodic hyperammonemia in children with inborn errors of urea synthesis.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Arginine; Argininosuccinate Synthase; Benzoates; Benzoic Acid; Carbamoyl-Phosphate Synthase (Ammonia); Drug Administration Schedule; Humans; Infant; Injections, Intravenous; Male; Ornithine Carbamoyltransferase Deficiency Disease; Parenteral Nutrition, Total; Phenylacetates; Renal Dialysis; Urea | 1984 |
Simplified analytical methods for the measurement of the synthesis rate of plasma proteins in vivo by the [14C]carbonate method.
Topics: Ammonia; Autoanalysis; Blood Proteins; Carbon Dioxide; Carbonates; Diffusion; Humans; Urea | 1984 |
A profile of ammonia-urea values in blood and cerebrospinal fluid in children with protein energy malnutrition.
Topics: Ammonia; Brain; Child, Preschool; Female; Humans; Infant; Kwashiorkor; Male; Protein-Energy Malnutrition; Urea | 1984 |
A suspension model for hypokinetic/hypodynamic and antiorthostatic responses in the mouse.
Topics: Adrenal Glands; Ammonia; Animals; Bed Rest; Body Weight; Diuresis; Drinking; Eating; Female; Hypertrophy; Mice; Muscular Atrophy; Posture; Urea; Water-Electrolyte Balance; Weightlessness | 1984 |
Amino acid metabolism in hepatocytes isolated from lactating rats.
Topics: Amino Acids; Ammonia; Animals; Female; Lactation; Liver; Pregnancy; Rats; Urea | 1984 |
Mechanism of arginine protection against ammonia intoxication in the rat.
Topics: Acetyltransferases; Amino-Acid N-Acetyltransferase; Ammonia; Animals; Arginine; Carbamoyl-Phosphate Synthase (Ammonia); Citrulline; Male; Mitochondria, Liver; Ornithine; Ornithine Carbamoyltransferase; Orotic Acid; Rats; Rats, Inbred Strains; Urea | 1984 |
Treatment of congenital hyperammonemias.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Arginine; Citrulline; Humans; Metabolism, Inborn Errors; Nitrogen; Serotonin; Urea | 1984 |
Hyperammonemia.
Topics: Acetyltransferases; Amino Acid Metabolism, Inborn Errors; Amino-Acid N-Acetyltransferase; Ammonia; Arginine; Argininosuccinate Synthase; Argininosuccinic Aciduria; Brain Edema; Carbamoyl-Phosphate Synthase (Ammonia); Child, Preschool; Citrulline; Diagnosis, Differential; Female; Humans; Hyperargininemia; Infant; Infant, Newborn; Leucine; Ornithine Carbamoyltransferase; Respiratory Distress Syndrome, Newborn; Urea | 1984 |
[Functional liver cell heterogeneity].
Topics: Acid-Base Equilibrium; Amino Acids; Ammonia; Energy Metabolism; Enzymes; Glutamine; Humans; Inactivation, Metabolic; Liver; Liver Diseases; Pharmaceutical Preparations; Urea | 1984 |
Arginine, an indispensable amino acid for patients with inborn errors of urea synthesis.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Arginine; Argininosuccinate Synthase; Argininosuccinic Aciduria; Blood Urea Nitrogen; Carbamoyl-Phosphate Synthase (Ammonia); Child, Preschool; Female; Glutamine; Humans; Infant; Infant, Newborn; Male; Ornithine; Ornithine Carbamoyltransferase Deficiency Disease; Urea | 1984 |
A defect of the urea cycle--a case report.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Humans; Infant, Newborn; Male; Ornithine Carbamoyltransferase Deficiency Disease; Urea | 1984 |
[Ammonia metabolism during perinatal period--ontogenesis of enzymes in pyrimidine biosynthesis and urea cycle system].
Topics: Aging; Ammonia; Animals; Animals, Newborn; Aspartate Carbamoyltransferase; Carbamoyl-Phosphate Synthase (Ammonia); Carbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing); Female; Fetus; Liver; Orotic Acid; Pregnancy; Pyrimidines; Rats; Rats, Inbred Strains; Urea | 1984 |
[Transport of urea nitrogen from the intestines into the stomach in dairy cows].
Topics: Ammonia; Animals; Cattle; Dietary Proteins; Duodenum; Fatty Acids, Volatile; Feces; Female; Fermentation; Nitrogen; Nitrogen Isotopes; Rumen; Urea; Urease | 1984 |
Cardiophysiological responses of the crab. Berytelphusa cunnicularis (Westwood), to three common pollutants.
Topics: Ammonia; Animals; Brachyura; Female; Heart Rate; Male; Phenol; Phenols; Urea; Water Pollutants; Water Pollutants, Chemical | 1984 |
Synergistic action of ultraviolet radiation and hydrogen peroxide on citrulline.
Topics: Amino Acids; Ammonia; Citrulline; Hydrogen Peroxide; Kinetics; Ultraviolet Rays; Urea | 1984 |
Ammonia removal by air stripping tower.
Topics: Air; Ammonia; Ion Exchange Resins; Kidneys, Artificial; Urea | 1984 |
The association of maize silage with urea: the effect on the ammonia content of the rumen fluid, the N flow in the duodenum, the nitrogen and energy balances and the milk production.
Topics: Ammonia; Animal Feed; Animals; Cattle; Duodenum; Energy Metabolism; Female; Food, Fortified; Gastric Juice; Lactation; Milk; Nitrogen; Pregnancy; Rumen; Silage; Urea; Zea mays | 1984 |
The substitution of soybean meal for urea: the effect on the ammonia content of the rumen fluid, the N flow in the duodenum, the nitrogen and energy balances and the milk production.
Topics: Ammonia; Animal Feed; Animals; Body Fluids; Cattle; Duodenum; Energy Metabolism; Female; Glycine max; Lactation; Milk; Nitrogen; Pregnancy; Rumen; Urea | 1984 |
Increased whole-body protein turnover in sick children with newly diagnosed leukemia or lymphoma.
Topics: Ammonia; Glycine; Humans; Kinetics; Leukemia, Lymphoid; Leukemia, Myeloid, Acute; Lymphoma; Nitrogen Isotopes; Nutritional Physiological Phenomena; Proteins; Urea | 1983 |
Quantitative assessment of urea, glucose and ammonia changes in human dental plaque and saliva following rinsing with urea and glucose.
Topics: Ammonia; Dental Plaque; Glucose; Humans; Mouthwashes; Saliva; Urea | 1983 |
Peritoneal ammonia, a possible inhibitor for blood amino acid loss.
Topics: Amino Acids; Ammonia; Animals; Ascitic Fluid; Asparaginase; Asparagine; Aspartic Acid; Biological Transport; Enzymes, Immobilized; Peritoneal Dialysis; Rats; Urea | 1983 |
Hybrid biosensor for clinical and fermentation process control.
Topics: Aminohydrolases; Ammonia; Creatinine; Electrodes; Enzymes, Immobilized; Hydantoins; Nitrobacter; Nitrosomonas; Urea; Urease | 1984 |
Factors affecting the capture of dietary nitrogen by micro-organisms in the forestomachs of the young steer. Experiments with [15N]urea.
Topics: Abomasum; Ammonia; Animals; Bacteria; Cattle; Cerium Radioisotopes; Diet; Duodenum; Glucose; Male; Nitrogen; Nitrogen Isotopes; Polyethylene Glycols; Rumen; Starch; Urea | 1983 |
Study of ammonia metabolism in a patient with ornithine transcarbamylase deficiency using an 15N tracer.
Topics: Amino Acids; Ammonia; Child; Female; Humans; Nitrogen Isotopes; Ornithine Carbamoyltransferase Deficiency Disease; Urea | 1983 |
Ethanol-induced alterations in rat hepatic ammonia metabolism.
Topics: Ammonia; Animals; Body Weight; Energy Intake; Ethanol; Glutamine; Kinetics; Liver; Male; Organ Size; Rats; Rats, Inbred Strains; Urea | 1983 |
[Neonatal hyperammonemia].
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Argininosuccinic Aciduria; Carbamoyl-Phosphate Synthase (Ammonia); Diagnosis, Differential; Humans; Infant, Newborn; Infant, Premature, Diseases; Metabolism, Inborn Errors; Ornithine Carbamoyltransferase Deficiency Disease; Urea | 1983 |
Studies of the large intestine of sheep. 3. Nitrogen kinetics in sheep given chopped lucerne (medicago sativa) hay.
Topics: Ammonia; Animals; Bacteria; Diet; Gastrointestinal Motility; Intestine, Large; Kinetics; Male; Medicago sativa; Models, Biological; Nitrogen; Sheep; Time Factors; Urea | 1983 |
Incorporation of nitrogen into rumen bacterial fractions of steers given protein- and urea-containing diets. Ammonia assimilation into intracellular bacterial amino acids.
Topics: Amino Acids; Ammonia; Animals; Bacteria; Bacterial Proteins; Cattle; Diet; Dietary Proteins; Male; Nitrogen; Rumen; Subcellular Fractions; Urea | 1983 |
[Pulmonary hemorrhages in newborn infants with inborn errors of the 1st 2 phases of the urea cycle].
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Carbamoyl-Phosphate Synthase (Ammonia); Hemorrhage; Humans; Infant, Newborn; Lung Diseases; Male; Urea | 1983 |
Rat hindlimb muscle responses to suspension hypokinesia/hypodynamia.
Topics: Ammonia; Animals; Atrophy; Hindlimb; Male; Methylhistidines; Muscles; Rats; Restraint, Physical; Time Factors; Urea; Weightlessness | 1983 |
Whole-body protein turnover and nitrogen balance in young children at intakes of protein and energy in the region of maintenance.
Topics: Ammonia; Body Height; Body Weight; Creatinine; Dietary Proteins; Energy Intake; Humans; Infant; Infant Food; Male; Methylhistidines; Nitrogen; Proteins; Urea | 1983 |
Ammonia and urea in corn silage-based complete mixed diets for dairy cows.
Topics: Ammonia; Animal Feed; Animals; Cattle; Female; Lactation; Milk; Pregnancy; Silage; Urea; Zea mays | 1983 |
Relationship of dietary crude protein to composition of uterine secretions and blood in high-producing postpartum dairy cows.
Topics: Ammonia; Animals; Blood Chemical Analysis; Blood Proteins; Calcium; Cattle; Dietary Proteins; Estrus; Female; Lactation; Magnesium; Milk; Phosphorus; Potassium; Pregnancy; Urea; Urine; Zinc | 1983 |
Effect of dietary nitrogen on urinary excretion of non-protein nitrogen in adolescent sickle cell patients.
Topics: Adolescent; Ammonia; Anemia, Sickle Cell; Creatinine; Diet; Humans; Male; Nitrogen; Urea; Uric Acid | 1984 |
The precision of measuring the rate of whole-body nitrogen flux and protein synthesis in man with a single dose of [15N]-glycine.
Topics: Adult; Ammonia; Female; Glycine; Humans; Male; Nitrogen; Nitrogen Isotopes; Protein Biosynthesis; Time Factors; Urea | 1984 |
Hyperammonemia and orotic aciduria in portacaval-shunted rats.
Topics: Ammonia; Ammonium Chloride; Animals; Arginine; Benzoates; Benzoic Acid; Liver; Liver Diseases; Male; Nitrogen; Organ Size; Orotic Acid; Portacaval Shunt, Surgical; Rats; Rats, Inbred Strains; Spleen; Urea | 1984 |
Metabolic fate of ammonia in the rat after ethanol loading.
Topics: Ammonia; Animals; Drug Interactions; Ethanol; Glutamine; Male; Rats; Rats, Inbred Strains; Tissue Distribution; Urea | 1984 |
Hepatocyte heterogeneity in ammonia metabolism: impairment of glutamine synthesis in CCl4 induced liver cell necrosis with no effect on urea synthesis.
Topics: Ammonia; Animals; Carbon Tetrachloride Poisoning; Chemical and Drug Induced Liver Injury; Disease Models, Animal; Glutamine; Liver Diseases; Male; Necrosis; Rats; Rats, Inbred Strains; Urea | 1984 |
Urea cycle function in the dog with emphasis on the role of arginine.
Topics: Age Factors; Ammonia; Animals; Arginine; Blood Glucose; Citrulline; Dogs; Ornithine; Orotic Acid; Urea; Vomiting | 1984 |
Species comparison of the influence of ammonia on orotic acid and urea biosynthesis in liver.
Topics: Ammonia; Animals; Arginine; Cattle; Female; Liver; Male; Mice; Mice, Inbred ICR; Orotic Acid; Pyrimidines; Rats; Rats, Inbred Strains; Sheep; Species Specificity; Swine; Urea; Valine | 1984 |
Effect of dietary protein and energy levels on rumen fermentation in Holstein steers.
Topics: Ammonia; Animals; Cattle; Dietary Proteins; Energy Metabolism; Fatty Acids, Volatile; Fermentation; Hydrogen-Ion Concentration; Male; Medicago sativa; Rumen; Silage; Urea; Zea mays | 1984 |
Urea and ammonia metabolism in the human large intestine.
Topics: Ammonia; Animals; Feces; Humans; Intestinal Absorption; Intestine, Large; Intestines; Mammals; Models, Biological; Urea | 1984 |
Neurologic outcome in children with inborn errors of urea synthesis. Outcome of urea-cycle enzymopathies.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Argininosuccinate Synthase; Argininosuccinic Aciduria; Brain; Brain Damage, Chronic; Carbamoyl-Phosphate Synthase (Ammonia); Child; Child, Preschool; Coma; Female; Humans; Infant; Intellectual Disability; Intelligence Tests; Male; Nervous System Diseases; Ornithine Carbamoyltransferase Deficiency Disease; Seizures; Tomography, X-Ray Computed; Urea | 1984 |
[Hyperammonemia and decrease of growth and nocturnal locomotion in rats with portal stricture and uremia].
Topics: Ammonia; Animals; Constriction, Pathologic; Disease Models, Animal; Growth Disorders; Male; Motor Activity; Portal Vein; Rats; Rats, Inbred Strains; Urea; Uremia | 1984 |
Changes in ovine fetal hindlimb amino acid metabolism during maternal fasting.
Topics: Amino Acids; Ammonia; Animals; Blood Glucose; Fasting; Female; Fetal Blood; Fetus; Hindlimb; Maternal-Fetal Exchange; Oxygen; Pregnancy; Sheep; Urea | 1984 |
Metabolism of 2-oxo-acid analogues of leucine and valine in isolated rat hepatocytes.
Topics: Ammonia; Animals; Biotransformation; Diet; In Vitro Techniques; Kinetics; Leucine; Liver; Male; Nitrogen; Rats; Rats, Inbred Strains; Urea; Valine | 1984 |
Relation of feedlot performance and certain physiological responses to the metabolizable protein and urea content of cattle diets.
Topics: Ammonia; Animals; Blood Urea Nitrogen; Body Weight; Cattle; Dietary Proteins; Energy Metabolism; Fermentation; In Vitro Techniques; Male; Rumen; Urea | 1984 |
Detection of urea cycle enzymopathies in childhood.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Carbamoyl-Phosphate Synthase (Ammonia); Child, Preschool; Female; Humans; Infant, Newborn; Male; Ornithine Carbamoyltransferase Deficiency Disease; Urea | 1984 |
Three instances of neonatal death with hyperammonaemia, each resulting from a different cause.
Topics: Amino Acids; Ammonia; Autopsy; Female; Humans; Infant, Newborn; Infant, Newborn, Diseases; Lactates; Male; Methylmalonic Acid; Urea | 1980 |
[Urea and ammonia metabolism as partial aspects of nitrogen metabolism after surgery using the heart-lung machine].
Topics: Adult; Ammonia; Extracorporeal Circulation; Female; Humans; Liver; Male; Middle Aged; Nitrogen; Parenteral Nutrition; Urea | 1980 |
Ammonia detoxication in sheep during constant or limited access to feed with varied quantity and quality of nitrogen compounds.
Topics: Ammonia; Animals; Arginase; Dietary Proteins; Inactivation, Metabolic; Liver; Male; Ornithine Carbamoyltransferase; Ornithine-Oxo-Acid Transaminase; Sheep; Urea | 1980 |
[Comparative study of the protective effects of 3 carboxylic acids on urea and ammonia toxicity in sheep].
Topics: Acetates; Acetic Acid; Ammonia; Animal Feed; Animals; Carboxylic Acids; Citrates; Citric Acid; Propionates; Sheep; Sheep Diseases; Urea | 1981 |
Immunological control of endogenous urease activity in buffalo calves.
Topics: Ammonia; Animals; Antibodies; Buffaloes; Immunization; Rumen; Urea; Urease | 1981 |
Orotic aciduria caused by feeding excess lysine to growing rats.
Topics: Ammonia; Animals; Arginine; Body Weight; Creatinine; Eating; Lysine; Male; Orotic Acid; Rats; Rats, Inbred Strains; Urea | 1981 |
Arginine metabolism and urea synthesis in cultured rat skeletal muscle cells.
Topics: Ammonia; Animals; Arginase; Arginine; Cells, Cultured; Chromatography, Thin Layer; Creatine; Muscles; Ornithine; Rats; Serine; Urea | 1982 |
[Secretion of endogenous urea into the cecum in sheep].
Topics: Ammonia; Animals; Cecum; Male; Sheep; Urea | 1982 |
Effect of exercise on protein metabolism in humans as explored with stable isotopes.
Topics: Amino Acids; Ammonia; Animals; Carbon Dioxide; Glucose; Glycine; Humans; Leucine; Liver; Muscles; Nitrogen; Nitrogen Isotopes; Physical Exertion; Proteins; Rats; Urea | 1982 |
Glycine metabolism in rat kidney cortex slices.
Topics: Amino Acids; Ammonia; Animals; Benzoates; Benzoic Acid; Carbon Dioxide; Glycine; In Vitro Techniques; Kidney Cortex; Male; Rats; Rats, Inbred Strains; Serine; Tissue Distribution; Urea | 1982 |
[Calculation of convertible protein energy in ureotelic and ammonotelic animals. A theoretical contribution].
Topics: Ammonia; Animals; Energy Metabolism; Fishes; Mammals; Proteins; Urea | 1982 |
Exogenous amino acids as fuel in shock.
Topics: Alanine; Amino Acids, Branched-Chain; Amino Acids, Essential; Ammonia; Animals; Blood Glucose; Carbon Dioxide; Dogs; Female; Glycine; Injections, Intravenous; Shock; Sodium Glutamate; Urea | 1982 |
A mechanism for valproate-induced hyperammonemia.
Topics: Ammonia; Animals; Citrulline; Glutamates; Male; Mitochondria, Liver; Oxidation-Reduction; Rats; Rats, Inbred Strains; Urea; Valproic Acid | 1982 |
Assessment of ammonia and urea blood content in metabolic acid-base disorders in white rats.
Topics: Acid-Base Imbalance; Ammonia; Animals; Lactates; Male; Rats; Rats, Inbred Strains; Urea | 1982 |
Hypoglycin toxicity: studies of ammonia metabolism.
Topics: Ammonia; Animals; Citrulline; Cyclopropanes; Disease Models, Animal; Humans; Hypoglycins; Liver; Nitrogen; Plant Poisoning; Rats; Rats, Inbred Strains; Urea | 1983 |
Interactions between alpha-ketoisovalerate metabolism and the pathways of gluconeogenesis and urea synthesis in isolated hepatocytes.
Topics: Ammonia; Animals; Citrulline; Gluconeogenesis; Hemiterpenes; In Vitro Techniques; Keto Acids; Kinetics; Lactates; Lactic Acid; Liver; Male; Myocardium; Pyruvate Dehydrogenase Complex; Pyruvates; Pyruvic Acid; Rats; Rats, Inbred Strains; Swine; Urea | 1983 |
Postprandial metabolic changes in larval and juvenile carp (Cyprinus carpio).
Topics: Ammonia; Animals; Carps; Cyprinidae; Diet; Food; Kinetics; Nitrogen; Oxygen Consumption; Urea; Zooplankton | 1983 |
[Biochemical studies of amniotic fluid].
Topics: 3-Hydroxybutyric Acid; Ammonia; Amniocentesis; Amniotic Fluid; Blood Glucose; Creatinine; Female; Fetal Growth Retardation; Humans; Hydroxybutyrates; Pregnancy; Urea | 1983 |
Utilization of dietary urea in rainbow trout.
Topics: Ammonia; Animal Feed; Animals; Digestion; Nitrogen; Oxygen Consumption; Salmonidae; Secretory Rate; Trout; Urea | 1983 |
Nitrogen metabolism in the sheep fetus. Observations on the liver and placenta.
Topics: Ammonia; Ammonium Chloride; Animals; Female; Fetus; Gestational Age; Liver; Nitrogen; Perfusion; Placenta; Pregnancy; Sheep; Urea | 1983 |
Changes in nitrogen metabolism in tissues of fish (Sarotherodon mossambicus) exposed to benthiocarb.
Topics: Ammonia; Animals; Brain; Enzymes; Fishes; Glutamine; Insecticides; Nitrogen; Thiocarbamates; Time Factors; Urea | 1983 |
Hepatocyte heterogeneity in glutamine and ammonia metabolism and the role of an intercellular glutamine cycle during ureogenesis in perfused rat liver.
Topics: Ammonia; Animals; Glutamine; In Vitro Techniques; Liver; Male; Perfusion; Rats; Rats, Inbred Strains; Urea | 1983 |
Urease activity in Trichophyton mentagrophytes.
Topics: Ammonia; Hydrogen-Ion Concentration; Trichophyton; Urea; Urease | 1983 |
The rate of nitrogen metabolism in the whole body of man measured with [15N]-glycine and uniformly labelled [15N]-wheat.
Topics: Adult; Ammonia; Female; Glycine; Humans; Male; Nitrogen; Nitrogen Isotopes; Time Factors; Triticum; Urea | 1983 |
Interaction between the urea cycle and the orotate pathway: studies with isolated hepatocytes.
Topics: Ammonia; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Catalysis; In Vitro Techniques; Ligases; Liver; Male; Ornithine; Orotic Acid; Pyrimidines; Rats; Rats, Inbred Strains; Urea | 1983 |
Cellular and subcellular organization of pathways of ammonia assimilation and ureide synthesis in nodules of cowpea (Vigna unguiculata L. Walp.).
Topics: Allantoin; Ammonia; Biological Transport; Centrifugation, Density Gradient; Fabaceae; Nitrogen Fixation; Plants, Medicinal; Purines; Subcellular Fractions; Urea | 1983 |
Metabolism of prolonged shock.
Topics: Ammonia; Animals; Aspartate Aminotransferases; Blood Glucose; Dogs; Fatty Acids, Nonesterified; Female; Glycogen; Lactates; Oxygen Consumption; Shock; Time Factors; Urea | 1983 |
Hyperammonemia in hypoglycemic preterm neonates.
Topics: Alanine; Ammonia; Blood Glucose; Blood Urea Nitrogen; Gluconeogenesis; Humans; Hypoglycemia; Infant, Newborn; Infant, Premature, Diseases; Urea | 1983 |
Sodium benzoate and arginine: alternative pathway therapy in inborn errors of urea synthesis.
Topics: Adolescent; Adult; Aged; Amino Acid Metabolism, Inborn Errors; Ammonia; Arginine; Argininosuccinic Aciduria; Benzoates; Carbamoyl-Phosphate Synthase (Ammonia); Child; Female; Humans; Male; Middle Aged; Nitrogen; Ornithine Carbamoyltransferase Deficiency Disease; Phenylacetates; Urea | 1983 |
The sparse fur mouse: an animal model for a human inborn error of metabolism of the urea cycle.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Animals; Carbamyl Phosphate; Disease Models, Animal; Female; Humans; Male; Mice; Mice, Mutant Strains; Ornithine Carbamoyltransferase Deficiency Disease; Purines; Pyrimidines; Urea | 1983 |
Nitrogen metabolism in the forestomachs of cows fed ammonia treated barley straw supplemented with increasing amounts of urea or soya bean meal.
Topics: Ammonia; Animals; Bacteria; Bacterial Proteins; Cattle; Diet; Female; Glycine max; Nitrogen; Rumen; Urea | 1982 |
Neonatal isovaleric acidemia associated with hyperammonemia.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Female; Hemiterpenes; Humans; Infant, Newborn; Isovaleryl-CoA Dehydrogenase; Liver; Oxidoreductases; Oxidoreductases Acting on CH-CH Group Donors; Pentanoic Acids; Urea; Valerates | 1982 |
[Oral mucosal state in nephritis patients].
Topics: Adolescent; Adult; Ammonia; Female; Humans; Hydrogen-Ion Concentration; Male; Middle Aged; Mouth Mucosa; Nephritis; Saliva; Urea | 1981 |
Effect of urea on pH, ammonia, amino acids and lactic acid in the human salivary sediment system incubated with varying levels of glucose.
Topics: Alanine; Amino Acids; Ammonia; Dose-Response Relationship, Drug; Glucose; Humans; Hydrogen-Ion Concentration; Lactates; Lactic Acid; Saliva; Urea | 1982 |
Interactions of aspirin and other potential etiologic factors in an animal model of Reye syndrome.
Topics: Ammonia; Animals; Arginine; Aspartate Aminotransferases; Aspirin; Diet; Disease Models, Animal; Ferrets; Lipid Metabolism; Liver; Orthomyxoviridae Infections; Reye Syndrome; Urea | 1982 |
Glycosyl ureides in ruminant nutrition. 3. In vivo studies on the metabolism of glycosyl ureides and corresponding mixtures of their free component molecules.
Topics: Abomasum; Adaptation, Physiological; Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Cattle; Dairy Products; Glucose; Lactose; Male; Rumen; Sheep; Urea | 1982 |
Effect of Shigella flexneri endotoxin on ureagenesis and liver ultrastructure in rabbits.
Topics: Adenosine Triphosphate; Ammonia; Animals; Arginase; Cell Membrane; Endothelium; Endotoxins; Kinetics; Liver; Mitochondria, Liver; Rabbits; Shigella flexneri; Urea | 1980 |
[Possibilities of using nitrogen-containing waste products for cultivation of Candida utilis. I. Communication: the use of piacryl-waste sulphuric acid].
Topics: Ammonia; Candida; Culture Media; Industrial Waste; Microbiological Techniques; Nitrogen; Sulfuric Acids; Urea; Waste Products | 1980 |
Muscle protein catabolism in diabetes: 3-methylhistidine excretion in the spontaneously diabetic "BB" rat.
Topics: Acetylation; Ammonia; Animals; Diabetes Mellitus; Female; Histidine; Insulin; Kinetics; Male; Methylhistidines; Muscle Proteins; Rats; Urea | 1980 |
Distribution and changes in urease (EC 3.5.1.5) activity in Rumen Simulation Technique (Rusitec).
Topics: Alkaline Phosphatase; Ammonia; Animal Feed; Animals; Fermentation; Peptide Hydrolases; Rumen; Sheep; Urea; Urease | 1982 |
Effects of lactulose and neomycin on urea metabolism in cirrhotic subjects.
Topics: Aged; Ammonia; Disaccharides; Drug Interactions; Drug Therapy, Combination; Feces; Humans; Intestinal Mucosa; Lactulose; Liver Cirrhosis, Alcoholic; Middle Aged; Neomycin; Nitrogen; Urea | 1982 |
Ammonia metabolism in Reye syndrome and the effect of citrulline.
Topics: Ammonia; Child; Citrulline; Humans; Male; Metabolic Clearance Rate; Nitrogen; Reye Syndrome; Urea | 1982 |
Intravenous infusion of alpha-oxoisocaproate: influence on amino acid and nitrogen metabolism in patients with liver cirrhosis.
Topics: Adult; Amino Acids; Ammonia; Caproates; Female; Humans; Infusions, Parenteral; Keto Acids; Liver; Liver Cirrhosis, Alcoholic; Male; Middle Aged; Nitrogen; Urea | 1982 |
Protective effect of ethanol on acute ammonia intoxication in mice.
Topics: 1-Butanol; Acetates; Ammonia; Animals; Butanols; Dose-Response Relationship, Drug; Ethanol; Male; Methanol; Mice; Urea | 1982 |
Liver arginase activity and urea metabolism in beef heifers fed urea diets and abomasally infused with arginine and(or) ammonium acetate.
Topics: Abomasum; Acetates; Ammonia; Animals; Arginase; Arginine; Cattle; Diet; Female; Liver; Nitrogen; Rumen; Urea | 1982 |
Treatment of inborn errors of urea synthesis: activation of alternative pathways of waste nitrogen synthesis and excretion.
Topics: Amino Acid Metabolism, Inborn Errors; Amino Acids, Essential; Ammonia; Arginine; Argininosuccinate Synthase; Argininosuccinic Aciduria; Benzoates; Benzoic Acid; Carbamoyl-Phosphate Synthase (Ammonia); Child, Preschool; Citrulline; Coma; Female; Humans; Infant; Infant, Newborn; Infusions, Parenteral; Male; Nitrogen; Ornithine Carbamoyltransferase Deficiency Disease; Urea | 1982 |
Urinary urea: are currently available methods adequate for revival of an almost abandoned test?
Topics: Ammonia; False Positive Reactions; Humans; Methods; Nitrogen; Nutrition Disorders; Urea | 1982 |
Factors influencing intake of high urea-containing rations by lactating dairy cows.
Topics: Ammonia; Animals; Cattle; Diet; Drinking Behavior; Feeding Behavior; Female; Food Preferences; Hydrogen-Ion Concentration; Lactation; Odorants; Pregnancy; Rumen; Urea | 1982 |
Ovine blood chemistry values measured during ammonia toxicosis.
Topics: Acidosis; Acute Disease; Ammonia; Animals; Blood Glucose; Blood Urea Nitrogen; Creatine Kinase; Electrolytes; Fatty Acids; Female; Hydrogen-Ion Concentration; L-Lactate Dehydrogenase; Male; Sheep; Sheep Diseases; Triglycerides; Urea | 1982 |
Portal blood flow and net absorption of ammonia-nitrogen, urea-nitrogen, and glucose in nonlactating Holstein cows.
Topics: Ammonia; Animals; Blood Glucose; Catheterization; Cattle; Female; Lactation; Nitrogen; Portal System; Pregnancy; Regional Blood Flow; Urea | 1982 |
On benzoate therapy for ammonia toxicity.
Topics: Ammonia; Animals; Benzoates; Humans; Rats; Urea | 1982 |
[Neonatal hyperammonemia due to ornithine transcarbamylase deficiency (author's transl)].
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Animals; Humans; Infant; Liver; Male; Ornithine Carbamoyltransferase Deficiency Disease; Rats; Urea | 1982 |
Urea, altered renal function, and vasopressin in Reye-Johnson syndrome.
Topics: Amino Acids; Ammonia; Blood Urea Nitrogen; Child; Electrolytes; Humans; Kidney Diseases; Reye Syndrome; Urea; Vasopressins | 1982 |
Treatment of inborn errors of urea synthesis.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Benzoates; Humans; Urea | 1982 |
A resin-based method for the preparation of molecular nitrogen for 15N analysis from urinary and plasma components.
Topics: Amino Acids; Ammonia; Humans; Ion Exchange Resins; Nitrogen; Nitrogen Isotopes; Urea | 1982 |
Urea degradation with hollow fiber bound urease and ammonium-ion removal with macrocyclic polyethers.
Topics: Ammonia; Ethers, Cyclic; Ions; Methylmethacrylates; Polymers; Renal Dialysis; Urea; Urease | 1982 |
alpha-epsilon Diaminopimelic acid (DAPA) in a sheep rumen infused with a synthetic diet of sugars and urea: evidence for degradation of bacteria.
Topics: Amino Acids, Diamino; Ammonia; Animals; Bacteria; Carbohydrate Metabolism; Diaminopimelic Acid; Fermentation; Male; Rumen; Sheep; Urea | 1982 |
[Significance of endogenous intestinal nitrogen].
Topics: Ammonia; Animals; Bile; Intestines; Male; Nitrogen; Pancreas; Pancreatic Juice; Proteins; Rats; Rats, Inbred Strains; Urea | 1982 |
[Effect of exogenous amino acids on myocardial contraction and metabolism of nitro-compounds in the myocardium during anoxia].
Topics: Amino Acids; Ammonia; Animals; Arginine; Glutamates; In Vitro Techniques; Male; Myocardial Contraction; Myocardium; Oxygen; Oxygen Consumption; Perfusion; Rats; Rats, Inbred Strains; Urea | 1982 |
[Effect of temperature increase on some aspects of nitrogen catabolism in rainbow trout (Salmo gairdneri Rich.)].
Topics: Ammonia; Animals; Arginase; Circadian Rhythm; Glutamate Dehydrogenase; Glutaminase; Liver; Salmonidae; Temperature; Trout; Urate Oxidase; Urea | 1982 |
Urea cycle diseases.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Animals; Humans; Urea | 1982 |
Argininemia: report of a new case and mechanisms of orotic aciduria and hyperammonemia.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Arginine; Child, Preschool; Female; Humans; Hyperargininemia; Ornithine; Orotic Acid; Purine-Pyrimidine Metabolism, Inborn Errors; Urea | 1982 |
Hyperammonemia secondary to hereditary organic acidurias: a study of 29 cases.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Hemiterpenes; Humans; Infant, Newborn; Methylmalonic Acid; Pentanoic Acids; Propionates; Urea | 1982 |
Hyperammonemia in the neonate with hypoxia.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Asphyxia Neonatorum; Blood Gas Analysis; Diagnosis, Differential; Humans; Hypoxia; Infant, Newborn; Respiratory Distress Syndrome, Newborn; Time Factors; Urea | 1982 |
A new method for screening of hyperammonemia.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Humans; Infant, Newborn; Intellectual Disability; Mass Screening; Reagent Kits, Diagnostic; Urea | 1982 |
Transient hyperammonemias in infants with and without organic acidemia.
Topics: Acetyltransferases; Amino Acid Metabolism, Inborn Errors; Amino-Acid N-Acetyltransferase; Ammonia; Arginine; Carbamoyl-Phosphate Synthase (Ammonia); Citrulline; Humans; Infant, Newborn; Infant, Newborn, Diseases; Liver; Time Factors; Urea | 1982 |
N-acetylglutamate synthetase (NAGS) deficiency: diagnosis, clinical observations and treatment.
Topics: Acetyltransferases; Amino Acid Metabolism, Inborn Errors; Amino-Acid N-Acetyltransferase; Ammonia; Biopsy; Humans; Infant, Newborn; Liver; Male; Urea | 1982 |
The place of dietetic treatment in chronic renal failure (cons).
Topics: Amino Acids; Ammonia; Dietary Proteins; Energy Intake; Glomerular Filtration Rate; Humans; Kidney Failure, Chronic; Nitrogen; Urea; Uremia | 1982 |
Ammonia metabolism in dogs with portacaval shunts.
Topics: Ammonia; Animals; Arginine; Body Weight; Citrulline; Dogs; Female; Liver; Nitrogen; Organ Size; Orotic Acid; Portacaval Shunt, Surgical; Urea | 1982 |
Urea cycle regulation: I. Coupling of ornithine metabolism to mitochondrial oxidative phosphorylation.
Topics: Adenosine Triphosphate; Ammonia; Animals; Citric Acid Cycle; Citrulline; Glutamate Dehydrogenase; Ketoglutaric Acids; Mitochondria, Liver; Ornithine; Ornithine-Oxo-Acid Transaminase; Oxidative Phosphorylation; Rats; Reye Syndrome; Urea | 1980 |
Ammonia versus urea-treated silages with varying urea in concentrate.
Topics: Ammonia; Animal Feed; Animals; Cattle; Female; Lactation; Pregnancy; Silage; Urea | 1980 |
[Hyperammonemia due to ornithine transcarbamylase deficiency--a cause of lethal metabolic crisis during the newborn period and infancy (author's transl)].
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Autopsy; Cerebral Cortex; Humans; Infant; Infant, Newborn; Infant, Newborn, Diseases; Liver; Male; Ornithine Carbamoyltransferase Deficiency Disease; Urea | 1980 |
Phase feeding of urea after feeding soybean meal to dairy cows.
Topics: Amino Acids; Ammonia; Animal Feed; Animals; Cattle; Eating; Female; Glycine max; Lactation; Pregnancy; Urea | 1980 |
Metabolic changes in kidney; of mice on alloxan treatment.
Topics: Alloxan; Ammonia; AMP Deaminase; Animals; Female; Glutamine; Kidney; Male; Mice; Oxidoreductases; Urea | 1980 |
Effects of temperature on the removal of urea as ammonia by enzymatic conversion and by gas absorption using an oxygenator.
Topics: Absorption; Ammonia; Bicarbonates; Chemical Phenomena; Chemistry; Humans; Kidneys, Artificial; Oxygenators; Temperature; Urea; Urease | 1981 |
Establishment of ureolytic staphylococci in the rumen of gnotobiotic lambs.
Topics: Ammonia; Animals; Germ-Free Life; Rumen; Sheep; Staphylococcus; Urea; Urease | 1980 |
[Nitrogen excretion of Helix aspersa Müller (Mollusca Gastropoda Pulmonata)].
Topics: Aging; Ammonia; Animals; Helix, Snails; Nitrogen; Seasons; Urate Oxidase; Urea; Urease; Uric Acid | 1980 |
An appraisal of CSF glutamine measurement by acid hydrolysis.
Topics: Ammonia; Glutamine; Humans; Hydrolysis; Methods; Urea | 1981 |
Ammonia metabolism in a family affected by hyperargininemia.
Topics: Adolescent; Amino Acid Metabolism, Inborn Errors; Amino Acids; Ammonia; Arginase; Arginine; Blood Urea Nitrogen; Erythrocytes; Female; Humans; Orotic Acid; Urea | 1981 |
[Studies on entero hepatic circulation of urea nitrogen in pregnant rat (author's transl)].
Topics: Ammonia; Animals; Enterobacteriaceae; Enterohepatic Circulation; Female; Glutamate Dehydrogenase; Intestines; Mitochondria, Liver; Pregnancy; Pregnancy, Animal; Rats; Urea; Urease | 1980 |
The treatment of inborn errors of the urea cycle.
Topics: Ammonia; Arginine; Humans; Metabolism, Inborn Errors; Ornithine; Urea | 1981 |
Whole-body protein metabolism due to trauma in man as estimated by L-[15N]alanine.
Topics: Alanine; Ammonia; Humans; Isotope Labeling; Kinetics; Male; Nitrogen; Nitrogen Isotopes; Proteins; Urea; Wounds and Injuries | 1981 |
Detoxification of ammonia by immobilized urea cycle enzymes.
Topics: Adenosine Triphosphate; Ammonia; Argininosuccinate Synthase; Biological Transport; Carbamoyl-Phosphate Synthase (Ammonia); Enzymes, Immobilized; Inactivation, Metabolic; Urea | 1981 |
Effect of ammonium ion on pyrimidine synthesis de novo in isolated rat hepatocytes.
Topics: Ammonia; Animals; Carbon Radioisotopes; Chromatography, High Pressure Liquid; In Vitro Techniques; Kinetics; Liver; Pyrimidines; Rats; Urea | 1981 |
Orotic aciduria in lysinuric protein intolerance: dependence on the urea cycle intermediates.
Topics: Adolescent; Adult; Alanine; Amino Acid Metabolism, Inborn Errors; Ammonia; Animals; Carbamyl Phosphate; Child; Child, Preschool; Female; Heterozygote; Homozygote; Humans; Infant; Male; Orotic Acid; Proteins; Rats; Urea | 1981 |
Urea transfer in ruminants. 1. Method for determination of urea transfer in sheep.
Topics: Ammonia; Animals; Biological Transport; Blood Urea Nitrogen; Dietary Proteins; Male; Rumen; Sheep; Urea | 1981 |
Urea transfer in ruminants. 2. Net urea transfer in sheep under semi-arid conditions.
Topics: Ammonia; Animals; Blood Urea Nitrogen; Desert Climate; Egypt; Male; Rumen; Sheep; Urea; Water Deprivation | 1981 |
The excretion of isotope in urea and ammonia for estimating protein turnover in man with [15N]glycine.
Topics: Adult; Ammonia; Eating; Female; Glycine; Humans; Male; Nitrogen; Nitrogen Isotopes; Protein Biosynthesis; Proteins; Time Factors; Urea | 1981 |
Introduction to urea cycle symposium.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Humans; Infant, Newborn; Urea | 1981 |
Biochemical aspects of urea cycle disorders.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Humans; Infant, Newborn; Liver; Mitochondria, Liver; Urea | 1981 |
Clinical aspects of disorders of the urea cycle.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Child; Child, Preschool; Female; Humans; Infant; Infant, Newborn; Male; Urea | 1981 |
New approaches to the diagnosis and treatment of inborn errors or urea synthesis.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Argininosuccinic Acid; Citrulline; Glutamine; Hippurates; Humans; Infant; Infant, Newborn; Phenylacetates; Urea | 1981 |
Carrier detection of urea cycle disorders.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Argininosuccinate Synthase; Citrulline; Female; Genetic Carrier Screening; Humans; Infant, Newborn; Male; Ornithine Carbamoyltransferase Deficiency Disease; Orotic Acid; Pedigree; Pregnancy; Prenatal Diagnosis; Urea | 1981 |
[Studies on the effect of phosphoric phenyl ester diamide as inhibitor of the rumen urease of dairy cows. 1. Influence on urea hydrolysis, ammonia release and fermentation in the rumen].
Topics: Ammonia; Animal Feed; Animals; Cattle; Dairying; Fermentation; Organophosphates; Organophosphorus Compounds; Rumen; Urea; Urease | 1980 |
Effect of exercise on protein turnover in man.
Topics: Adult; Amino Acids; Ammonia; Creatinine; Glycine; Humans; Male; Methylhistidines; Middle Aged; Muscles; Myofibrils; Nitrogen; Physical Exertion; Proteins; Urea | 1981 |
Automated determination of urea and ammoniacal nitrogen (NPN) in animal feeds.
Topics: Ammonia; Animal Feed; Autoanalysis; Dietary Proteins; Nitrogen; Urea; Urease | 1981 |
Total and individual amino acids in strained ruminal liquor from cows fed graded amounts of urea.
Topics: Amino Acids; Ammonia; Animal Feed; Animals; Cattle; Female; Rumen; Urea | 1981 |
Effect of diphenylhydantoin, granatane-3-spiro-5'-hydantoin and leptazol on mouse brain glutamate dehydrogenase, urea and ammonia levels in brain.
Topics: Ammonia; Animals; Brain; Drug Interactions; Glutamate Dehydrogenase; Hydantoins; Mice; Mice, Inbred ICR; Pentylenetetrazole; Phenytoin; Urea | 1981 |
The maximum capacity of the liver of the adult dairy cow to metabolize ammonia.
Topics: Acetates; Ammonia; Animals; Bilirubin; Cattle; Female; Glucose; Lactates; Liver; Time Factors; Urea | 1981 |
Influences of dietary sucrose and urea on transfer of endogenous urea to the rumen of sheep and numbers of epithelial bacteria.
Topics: Ammonia; Animal Feed; Animals; Bacteria; Dietary Carbohydrates; Epithelium; Male; Poaceae; Rumen; Sheep; Sucrose; Urea | 1981 |
Ammonia toxicity in cattle. V. Ammonia concentration of lymph and portal, carotid and jugular blood after the ingestion of urea.
Topics: Ammonia; Animals; Carotid Arteries; Cattle; Jugular Veins; Liver; Male; Nitrogen; Portal Vein; Rumen; Urea | 1981 |
Estimation of nitrogen digestibility in poultry: content and distribution of major urinary nitrogen compounds in excreta.
Topics: Ammonia; Animals; Chickens; Digestion; Feces; Female; Nitrogen; Urea; Uric Acid | 1981 |
National Institutes of Health. Treating infants born with once-fatal genetic diseases.
Topics: Ammonia; Humans; Infant; Infant, Newborn; Metabolism, Inborn Errors; Quaternary Ammonium Compounds; Urea | 1981 |
Ammonia partitioning between glutamine and urea: interorgan participation in metabolic acidosis.
Topics: Acidosis, Renal Tubular; Ammonia; Ammonium Chloride; Animals; Blood; Glutamine; Hydrochloric Acid; Intestinal Mucosa; Intestines; Liver; Male; Muscles; Rats; Rats, Inbred Strains; Urea; Urine | 1981 |
Effect of fermentable carbohydrates on volatile fatty acids, ammonia and mineral absorption in the rat caecum.
Topics: Ammonia; Animals; Arteries; Cecum; Dietary Carbohydrates; Electrolytes; Fatty Acids, Volatile; Fermentation; Intestinal Absorption; Male; Rats; Urea; Veins | 1980 |
Influence of nutritional status on the daily patterns of nitrogen excretion in the carp (Cyprinus carpio L.) and the rainbow trout (Salmo gairdneri R.).
Topics: Ammonia; Animals; Carps; Circadian Rhythm; Cyprinidae; Diet; Fasting; Food; Kinetics; Nitrogen; Salmonidae; Trout; Urea | 1980 |
Effects of pH and urea concentration on urea removal from dialysate by enzymatic conversion and gas absorption using a capillary hemodialyzer.
Topics: Absorption; Alkalies; Ammonia; Hydrogen-Ion Concentration; Hydrolysis; Kidneys, Artificial; Renal Dialysis; Sodium Hydroxide; Solutions; Urea; Urease | 1980 |
Slow ammonia release from urea: rumen and metabolism studies.
Topics: Ammonia; Animal Feed; Animals; Delayed-Action Preparations; Nitrogen; Rumen; Sheep; Urea | 1980 |
Inhibition of urea-cycle activity by high concentrations of alanine.
Topics: Alanine; Ammonia; Animals; Argininosuccinate Synthase; Cytosol; In Vitro Techniques; Liver; Male; Proline; Rats; Urea | 1980 |
The effects of dietary sucrose and the concentration of plasma urea and rumen ammonia on the degradation of urea in the gastrointestinal tract of cattle.
Topics: Ammonia; Animals; Bicarbonates; Cattle; Dietary Carbohydrates; Digestive System; Male; Rumen; Sucrose; Urea | 1980 |
[Urea synthesis in the myocardium].
Topics: Amino Acids; Ammonia; Animals; Heart; In Vitro Techniques; Isoproterenol; Male; Myocardium; Necrosis; Rats; Time Factors; Urea | 1980 |
A model for hypokinesia: effects on muscle atrophy in the rat.
Topics: Ammonia; Animals; Atrophy; Body Weight; Histidine; Immobilization; Male; Methylhistidines; Muscles; Rats; Time Factors; Urea | 1980 |
Arginine synthesis and nitrogen excretion in the myxomycete Physarum polycephalum.
Topics: Ammonia; Arginine; Citrulline; Nitrogen; Physarum; Urea; Urease; Uric Acid | 1980 |
Excretory systems in the hagfish Myxine glutinosa.
Topics: Ammonia; Animals; Bile; Electrolytes; Fishes; Hagfishes; Kidney; Nephrons; Proteinuria; Urea | 1980 |
Amino acid metabolism and the liver in renal failure.
Topics: Adult; Amino Acids; Ammonia; Arteries; Female; Humans; Kidney Failure, Chronic; Liver; Male; Middle Aged; Urea; Veins | 1980 |
Failure of the normal ureagenic response to amino acids in organic acid-loaded rats. Proposed mechanism for the hyperammonemia of propionic and methylmalonic acidemia.
Topics: Acyl Coenzyme A; Adenosine Triphosphate; Ammonia; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Female; Glutamates; Kinetics; Liver; Malonates; Methylmalonic Acid; Ornithine Carbamoyltransferase; Propionates; Rats; Urea | 1980 |
Effects of branched-chain alpha-keto acids on enzymes involved in branched-chain alpha-keto acid metabolism in rat tissues.
Topics: Ammonia; Animals; Brain; Glutamate Dehydrogenase; Keto Acids; Kidney; Liver; Male; Oxidoreductases; Rats; Transaminases; Urea | 1980 |
Effect of hashish smoke on some blood and serum parameters in rabbits.
Topics: Ammonia; Animals; Cannabis; Enzymes; Male; Rabbits; Stimulation, Chemical; Urea | 1980 |
The distribution of ammonia between hepatocytes and extracellular fluid.
Topics: Ammonia; Animals; Cell Compartmentation; Cell Separation; Cytosol; Extracellular Space; Fasting; Female; Liver; Mitochondria, Liver; Rats; Urea | 1980 |
[Current state and perspectives of the use of the 15N-tracer technic in gastroenterologic studies].
Topics: Amino Acids; Ammonia; Animals; Humans; Isotope Labeling; Nitrogen Radioisotopes; Rats; Urea; Uric Acid | 1980 |
The role of pH and the lack of a requirement for hydorgencarbonate in the regulation of hepatic glutamine metabolism.
Topics: Alanine; Ammonia; Animals; Bicarbonates; Glutamates; Glutaminase; Glutamine; Hydrogen-Ion Concentration; Kinetics; Liver; Male; Perfusion; Rats; Urea | 1980 |
Effects of air and fluid flow rates on removing different concentrations of urea and ammonia from fluid by gas absorption in a capillary hemodialyzer.
Topics: Air; Ammonia; Gases; Renal Dialysis; Urea | 1980 |
[Correction of nitrogen metabolic disorders in the myocardium in experimental ischemia].
Topics: Ammonia; Animals; Aspartic Acid; Coronary Disease; Dogs; Glutamates; Myocardium; Nitrogen; Time Factors; Urea | 1980 |
A collaborative study on the determination of free amino acids in blood plasma.
Topics: Amino Acids; Ammonia; Animals; Cattle; Chromatography, Ion Exchange; Taurine; Urea | 1980 |
[15N]Glycine metabolism in normal man: the metabolic alpha-amino-nitrogen pool.
Topics: Acidosis; Adult; Alanine; Ammonia; Deamination; Fasting; Glutamates; Glycine; Humans; Male; Nitrogen; Urea | 1980 |
Regulation of glutamine catabolism in the perfused guinea-pig liver in relation to ureogenesis and gluconeogenesis.
Topics: Aminooxyacetic Acid; Ammonia; Animals; Glucose; Glutamine; Guinea Pigs; Kinetics; Liver; Male; Mitochondria, Liver; Oxidation-Reduction; Perfusion; Urea | 1980 |
[Effect of rhubarb (Rhei rhizoma) extract on urea nitrogen and amino acid metabolism after administration (author's transl)].
Topics: Amino Acids; Ammonia; Animals; Male; Nitrogen; Plant Extracts; Plants, Medicinal; Rats; Rheum; Tissue Distribution; Urea | 1980 |
The appearance of re-cycled urea in the digestive tract of goats during the final third of a once daily feeding of a low-protein ration.
Topics: Ammonia; Animals; Dietary Proteins; Female; Goats; Intestinal Absorption; Rumen; Saliva; Urea | 1980 |
Timed ammonia release for steers.
Topics: Ammonia; Animals; Cattle; Digestion; Male; Nitrogen; Urea | 1980 |
Treatment of hyperammonemic coma caused by inborn errors of urea synthesis.
Topics: Adolescent; Adult; Amino Acid Metabolism, Inborn Errors; Ammonia; Arginine; Benzoates; Child; Child, Preschool; Coma; Exchange Transfusion, Whole Blood; Female; Humans; Infant; Infant, Newborn; Male; Nitrogen; Peritoneal Dialysis; Urea | 1980 |
The isolation of urea nitrogen and ammonia nitrogen from biological samples for mass spectrometry.
Topics: Ammonia; Mass Spectrometry; Nitrogen; Urea | 1980 |
Therapy of urea cycle enzymopathies: three case studies.
Topics: Ammonia; Arginine; Argininosuccinic Acid; Argininosuccinic Aciduria; Child, Preschool; Citrulline; Coma; Female; Humans; Infant; Infant, Newborn; Intellectual Disability; Lyases; Male; Ornithine Carbamoyltransferase Deficiency Disease; Urea | 1981 |
Hyperammonemic encephalopathy caused by infection in a neurogenic bladder.
Topics: Ammonia; Bacteria; Brain Diseases; Female; Humans; Hydrogen-Ion Concentration; Middle Aged; Urea; Urease; Urinary Bladder; Urinary Bladder, Neurogenic; Urinary Tract Infections | 1981 |
Developmental changes of free amino acid concentrations in fetal fluids of pigs.
Topics: Aging; Allantois; Amino Acids; Ammonia; Amniotic Fluid; Animals; Arginine; Female; Fetal Blood; Gestational Age; Glutamine; Glycine; Male; Ornithine; Placenta; Pregnancy; Swine; Urea; Uterus | 1995 |
The relationship between membrane fluidity and permeabilities to water, solutes, ammonia, and protons.
Topics: Acetamides; Ammonia; Anisotropy; Cell Membrane Permeability; Hydrogen-Ion Concentration; Lipid Bilayers; Membrane Fluidity; Models, Biological; Protons; Urea; Water | 1995 |
Studies on urea synthesis in the liver of rats treated chronically with ethanol using perfused livers, isolated hepatocytes, and mitochondria.
Topics: Adenosine Triphosphate; Alcoholism; Ammonia; Animals; Cells, Cultured; Ethanol; Liver; Mitochondria, Liver; Perfusion; Rats; Time Factors; Urea | 1995 |
[A new liver support system composed of functional human cells and a radial-flow bioreactor].
Topics: Albumins; alpha-Fetoproteins; Ammonia; Artificial Organs; Carcinoma, Hepatocellular; Cells, Cultured; Glucose; Humans; Liver; Liver Neoplasms; Oxygen Consumption; Tumor Cells, Cultured; Urea | 1994 |
Protein metabolism in brain and muscle tissues of Mus booduga following repeated oral benzenehexachloride feeding.
Topics: Administration, Oral; Alanine Transaminase; Ammonia; Animals; Aspartate Aminotransferases; Brain; Glutamate Dehydrogenase; Hexachlorocyclohexane; Mice; Muscle, Skeletal; Proteins; Urea | 1994 |
Deamidation of polyanion-stabilized acidic fibroblast growth factor.
Topics: Amides; Amino Acid Sequence; Ammonia; Animals; Cells, Cultured; Chromatography, High Pressure Liquid; Drug Stability; Fibroblast Growth Factor 1; Humans; Hydrogen-Ion Concentration; Isoelectric Focusing; Mice; Mitogens; Molecular Conformation; Molecular Sequence Data; Recombinant Proteins; Spectrometry, Fluorescence; Temperature; Urea | 1995 |
[Pharmacological properties of chitosan-coated dialdehyde cellulose (chitosan DAC), a newly developed oral adsorbent (I). Effect of chitosan DAC in normal rats].
Topics: Administration, Oral; Adsorption; Ammonia; Animals; Blood Urea Nitrogen; Cellulose; Chemistry, Pharmaceutical; Chitin; Chitosan; Dose-Response Relationship, Drug; Electrolytes; Feces; Male; Nitrogen; Rats; Rats, Wistar; Urea | 1995 |
[Pharmacological properties of chitosan-coated dialdehyde cellulose (chitosan DAC), a newly developed oral adsorbent (II). Effect of chitosan DAC on rats with chronic renal failure induced by adriamycin].
Topics: Administration, Oral; Adsorption; Ammonia; Animals; Cellulose; Chemistry, Pharmaceutical; Chitin; Chitosan; Doxorubicin; Humans; Kidney Failure, Chronic; Male; Rats; Rats, Inbred Lew; Urea | 1995 |
Hyperammonaemia in cirrhosis and Helicobacter pylori infection.
Topics: Ammonia; Anti-Bacterial Agents; Breath Tests; Female; Helicobacter Infections; Helicobacter pylori; Hepatic Encephalopathy; Humans; Liver Cirrhosis; Male; Urea | 1995 |
Quantification of incorporation of [15N]ammonia into plasma amino acids and urea.
Topics: Administration, Oral; Adult; Amino Acids; Ammonia; Arginine; Glutamine; Humans; Injections, Intravenous; Male; Nitrogen Isotopes; Urea | 1995 |
Measurement of protein turnover in normal man using the end-product method with oral [15N]glycine: comparison of single-dose and intermittent-dose regimens.
Topics: Adult; Ammonia; Body Mass Index; Body Water; Drug Administration Schedule; Glycine; Humans; Male; Middle Aged; Nitrogen; Nitrogen Isotopes; Proteins; Urea | 1995 |
Arterial blood ammonia during orthotopic liver transplantation as an indicator of waste elimination by the new liver.
Topics: Adolescent; Adult; Ammonia; Arteries; Female; Humans; Liver; Liver Transplantation; Male; Middle Aged; Urea | 1995 |
Whole-body protein turnover in preterm appropriate for gestational age and small for gestational age infants: comparison of [15N]glycine and [1-(13)C]leucine administered simultaneously.
Topics: Ammonia; Carbon Dioxide; Carbon Isotopes; Glycine; Humans; Infant, Newborn; Infant, Premature; Infant, Small for Gestational Age; Keto Acids; Leucine; Nitrogen Isotopes; Proteins; Time Factors; Urea | 1995 |
Effects of long-term protein excess or deficiency on whole-body protein turnover in sheep nourished by intragastric infusion of nutrients.
Topics: Ammonia; Animals; Body Weight; Dietary Proteins; Enteral Nutrition; Male; Nitrogen; Protein Deficiency; Proteins; Sheep; Time Factors; Urea | 1995 |
Monensin and ammoniation or urea supplementation of bermudagrass hay diets for steers.
Topics: Ammonia; Animal Feed; Animals; Cattle; Eating; Fatty Acids, Volatile; Food, Fortified; Hydrogen-Ion Concentration; Male; Monensin; Nitrogen; Poaceae; Rumen; Time Factors; Urea; Weight Gain | 1995 |
Potential role of ammoniagenesis in the hypocalciuric effect of phosphorus in rats.
Topics: Ammonia; Animals; Calcium; Eating; Glutamate-Ammonia Ligase; Glutaminase; Kidney; Male; Nitrogen; Phosphorus; Rats; Rats, Sprague-Dawley; Urea; Weight Gain | 1995 |
Helicobacter pylori requires an acidic environment to survive in the presence of urea.
Topics: Acids; Alkalies; Ammonia; Helicobacter pylori; Hydrogen-Ion Concentration; Mutation; Urea; Urease | 1995 |
Cytotoxic effects of Helicobacter pylori on guinea pig gastric glands.
Topics: Ammonia; Animals; Aspartate Aminotransferases; Culture Media; Gastric Mucosa; Guinea Pigs; Helicobacter pylori; Hydrogen-Ion Concentration; Hydroxamic Acids; L-Lactate Dehydrogenase; Urea; Urease | 1995 |
Metabolic inter-organ relations by exercise of fed rat: carbohydrates, ketone body, and nitrogen compounds in splanchnic vessels.
Topics: Amino Acids; Ammonia; Animals; Arteries; Blood Glucose; Ketone Bodies; Lactates; Lactic Acid; Male; Physical Exertion; Rats; Rats, Wistar; Splanchnic Circulation; Urea; Veins | 1995 |
A multifunctional flow-injection biosensor for the simultaneous determination of ammonia, creatinine, and urea.
Topics: Amino Acid Oxidoreductases; Ammonia; Animals; Bacillus; Biosensing Techniques; Cattle; Creatine; Engineering; Enzymes, Immobilized; Glutamate Dehydrogenase; Urea; Urease | 1995 |
In situ degradation and absorption of [15N]urea in chicken ceca.
Topics: Absorption; Ammonia; Animals; Blood Urea Nitrogen; Cecum; Chickens; Nitrogen Radioisotopes; Proteins; Time Factors; Urea | 1995 |
Ammonia removal activity of agarose-encapsulated rat hepatocytes.
Topics: Ammonia; Animals; Capsules; In Vitro Techniques; Kinetics; Liver; Male; Rats; Rats, Wistar; Sepharose; Time Factors; Urea | 1995 |
Transcriptional and posttranslational regulation of the general amino acid permease of Saccharomyces cerevisiae.
Topics: Amino Acid Transport Systems; Ammonia; Cloning, Molecular; DNA-Binding Proteins; Fungal Proteins; Gene Expression Regulation, Fungal; Glutamate-Ammonia Ligase; Glutamic Acid; Glutamine; Glutathione Peroxidase; Membrane Transport Proteins; Nitrogen Compounds; Phosphorylation; Prions; Protein Processing, Post-Translational; Repressor Proteins; Restriction Mapping; Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Transcription Factors; Transcription, Genetic; Urea | 1995 |
Protein intake and development of ovarian follicles and embryos of superovulated nonlactating dairy cows.
Topics: Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Cattle; Dietary Proteins; Dinoprost; Embryonic and Fetal Development; Estradiol; Estrus; Female; Follicle Stimulating Hormone; Glycine max; Insulin; Ovarian Follicle; Pregnancy; Progesterone; Progestins; Superovulation; Ultrasonography; Urea | 1994 |
Menstrual cycle and gonadal steroid effects on symptomatic hyperammonaemia of urea-cycle-based and idiopathic aetiologies.
Topics: Adult; Ammonia; Contraceptives, Oral, Hormonal; Ethinyl Estradiol; Ethinyl Estradiol-Norgestrel Combination; Female; Humans; Hyperargininemia; Menstrual Cycle; Norgestrel; Urea | 1994 |
Kinetic studies of the urease-catalyzed hydrolysis of urea in a buffer-free system.
Topics: Ammonia; Buffers; Fabaceae; Hydrogen-Ion Concentration; Hydrolysis; Ions; Kinetics; Plants, Medicinal; Temperature; Urea; Urease | 1994 |
Products of neutrophil metabolism increase ammonia-induced gastric mucosal damage.
Topics: Ammonia; Animals; Chloramines; Dose-Response Relationship, Drug; Drug Interactions; Gastric Mucosa; Gastritis; Helicobacter Infections; Helicobacter pylori; Hypochlorous Acid; Immune Sera; Male; Neutrophils; Peroxidase; Rats; Rats, Sprague-Dawley; Taurine; Urea; Urease | 1995 |
Irritant and protective action of urea-urease ammonia in rat gastric mucosa. Different effects of ammonia and ammonium ion.
Topics: Ammonia; Animals; Dose-Response Relationship, Drug; Drug Evaluation, Preclinical; Drug Interactions; Gastric Acidity Determination; Gastric Mucosa; Hydrogen-Ion Concentration; Membrane Potentials; Quaternary Ammonium Compounds; Rats; Rats, Sprague-Dawley; Stomach Ulcer; Urea; Urease | 1995 |
Urease-mediated destruction of bacteria is specific for Helicobacter urease and results in total cellular disruption.
Topics: Ammonia; Citrates; Citric Acid; Helicobacter; Hydrogen-Ion Concentration; Urea; Urease | 1994 |
Hybrid liver support system in a short term application on hepatectomized pigs.
Topics: Ammonia; Animals; Artificial Organs; Cell Membrane Permeability; Cells, Cultured; Hemofiltration; Hepatectomy; Lactates; Liver; Liver Circulation; Male; Phenylalanine; Swine; Urea | 1994 |
The effect of water loss upon the urate, urea and ammonia content of the egg of the Japanese quail Coturnix coturnix japonica.
Topics: Allopurinol; Ammonia; Animals; Coturnix; Ovum; Urea; Uric Acid; Water | 1993 |
Renal ammonia and glutamine metabolism during liver insufficiency-induced hyperammonemia in the rat.
Topics: Ammonia; Animals; Glutamates; Glutamic Acid; Glutamine; Hydrogen-Ion Concentration; Kidney; Kinetics; Liver Failure; Male; Rats; Rats, Wistar; Regional Blood Flow; Time Factors; Urea | 1993 |
Changes in distribution and activity of glutamine synthetase in carbon tetrachloride-induced cirrhosis in the rat: potential role in hyperammonemia.
Topics: Ammonia; Animals; Carbon Tetrachloride; Glutamate-Ammonia Ligase; Glutamine; Immunohistochemistry; Liver Cirrhosis, Experimental; Rats; Reference Values; Tissue Distribution; Urea | 1994 |
Dietary citrulline but not ornithine counteracts dietary arginine deficiency in rats by increasing splanchnic release of citrulline.
Topics: Alanine; Amino Acids; Ammonia; Animals; Arginine; Blood Flow Velocity; Body Weight; Citrulline; Creatinine; Diet; Food; Glutamic Acid; Glutamine; Male; Ornithine; Orotic Acid; Proline; Rats; Rats, Sprague-Dawley; Splanchnic Circulation; Urea | 1994 |
Effect of antioxidants on ammonia induced CNS-renal pathobiology in sheep.
Topics: Ammonia; Animals; Antioxidants; Blood Glucose; Central Nervous System Diseases; Creatinine; Diptera; Drinking; Hydrogen-Ion Concentration; Kidney Diseases; Larva; Potassium; Sheep; Sodium; Urea; Urine | 1994 |
Role of caeca in the nitrogen nutrition of the chicken fed on a moderate protein diet or a low protein diet plus urea.
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Blood Urea Nitrogen; Cecum; Chickens; Colostomy; Diet, Protein-Restricted; Dietary Proteins; Food, Fortified; Male; Nitrogen; Urea; Urine | 1994 |
[Studies on gastric mucosal cell injury induced by Helicobacter pylori].
Topics: Ammonia; Animals; Cells, Cultured; Gastric Mucosa; Helicobacter pylori; Male; Rabbits; Urea; Urease | 1994 |
Permeability properties of the mammalian bladder apical membrane.
Topics: Ammonia; Animals; Cell Membrane; Cell Membrane Permeability; Endocytosis; Female; Fluoresceins; Fluorescent Dyes; Horseradish Peroxidase; Male; Organelles; Proton-Translocating ATPases; Rabbits; Urea; Urinary Bladder; Water | 1994 |
Hyperammonemia in Marasmic children.
Topics: Alanine Transaminase; Ammonia; Arginine; Aspartate Aminotransferases; Citrulline; Humans; Infant; Ornithine; Protein-Energy Malnutrition; Urea | 1994 |
Carbamoyl phosphate and ureagenesis are not involved in amino-acid-stimulated glycogenesis.
Topics: Amino Acids; Ammonia; Animals; Carbamyl Phosphate; Cells, Cultured; Glucose; Glycogen; Hypotonic Solutions; Liver; Male; Ornithine; Phosphorylation; Picolinic Acids; Rats; Rats, Wistar; Urea | 1994 |
Development of an optical fibre sensor for ammonia, urea, urease and IgG.
Topics: Ammonia; Biosensing Techniques; Immunoglobulin G; Urea; Urease | 1994 |
The pH response to urea and the effect of liquid flow in 'artificial mouth' microcosm plaques.
Topics: Ammonia; Arginine; Dental Plaque; Humans; Hydrogen-Ion Concentration; Kinetics; Models, Biological; Mouth; Mucins; Saliva; Secretory Rate; Sucrose; Time Factors; Urea | 1994 |
pH gradients induced by urea metabolism in 'artificial mouth' microcosm plaques.
Topics: Alkalies; Ammonia; Dental Plaque; Humans; Hydrogen-Ion Concentration; Models, Biological; Mouth; Mucins; Saliva; Secretory Rate; Sucrose; Time Factors; Urea | 1994 |
Lactational responses to ruminally undegradable protein by dairy cows fed diets based on alfalfa silage.
Topics: Ammonia; Animals; Blood Glucose; Body Composition; Body Weight; Cattle; Dietary Proteins; Fatty Acids, Volatile; Female; Hydrogen-Ion Concentration; Lactation; Lipids; Medicago sativa; Milk; Milk Proteins; Rumen; Silage; Urea | 1994 |
Effect of L-carnitine on cerebral and hepatic energy metabolites in congenitally hyperammonemic sparse-fur mice and its role during benzoate therapy.
Topics: Adenosine Triphosphate; Amino Acid Metabolism, Inborn Errors; Ammonia; Animals; Benzoates; Benzoic Acid; Body Weight; Brain; Brain Chemistry; Carnitine; Coenzyme A; Dose-Response Relationship, Drug; Energy Metabolism; Genetic Linkage; Glutamates; Glutamic Acid; Glutamine; Hair Diseases; Ketoglutaric Acids; Lactates; Liver; Male; Mice; Mice, Mutant Strains; Ornithine Carbamoyltransferase; Pyruvates; Time Factors; Urea | 1993 |
Definitive cure of hyperammonemia by liver transplantation in urea cycle defects: report of three cases.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Argininosuccinate Synthase; Child; Citrulline; Humans; Liver Transplantation; Ornithine Carbamoyltransferase Deficiency Disease; Urea | 1994 |
Improvement of culture conditions for L-proline production by a recombinant strain of Serratia marcescens.
Topics: Ammonia; Culture Media; DNA, Recombinant; Hydrogen-Ion Concentration; Magnesium Sulfate; Phosphates; Plasmids; Potassium Compounds; Proline; Serratia marcescens; Spectrophotometry, Ultraviolet; Stereoisomerism; Sucrose; Urea | 1993 |
Effect of single oral dose of sodium benzoate on ureagenesis in healthy men and two patients with late onset citrullinaemia.
Topics: Administration, Oral; Adult; Ammonia; Argininosuccinate Synthase; Benzoates; Benzoic Acid; Citrulline; Drug Administration Schedule; Humans; Male; Time Factors; Urea | 1993 |
Genetically engineered E. coli cells containing K. aerogenes gene, microencapsulated in artificial cells for urea and ammonia removal.
Topics: Ammonia; Drug Compounding; Escherichia coli; Genes, Bacterial; Genetic Engineering; Klebsiella pneumoniae; Urea | 1993 |
Dietary manganese deficiency decreases rat hepatic arginase activity.
Topics: Amino Acids; Ammonia; Animals; Arginase; Eating; Liver; Male; Manganese; Minerals; Random Allocation; Rats; Rats, Sprague-Dawley; Urea; Weight Gain | 1994 |
Free and protein-bound amino acids in sow's colostrum and milk.
Topics: Amino Acids; Ammonia; Animals; Colostrum; Female; Glutamine; Milk; Milk Proteins; Protein Binding; Swine; Taurine; Urea | 1994 |
Effects of glucagon on urinary excretion of urea and on plasma ammonia level in argininosuccinate synthetase deficiency.
Topics: Adult; Amino Acid Metabolism, Inborn Errors; Ammonia; Argininosuccinate Synthase; Citrulline; Female; Glucagon; Humans; Male; Urea | 1994 |
Relationship of decreased caecal urease activity by dietary penicillin to nitrogen utilisation in chickens fed on a low protein diet plus urea.
Topics: Ammonia; Animals; Bacteria, Anaerobic; Cecum; Chickens; Colony Count, Microbial; Diet; Dietary Proteins; Glutamine; Male; Nitrogen; Penicillins; Urea; Urease; Uric Acid | 1994 |
Net transfer of urea and ammonia across the ruminal wall of sheep.
Topics: Ammonia; Animals; Carbon Dioxide; Fatty Acids, Volatile; Male; Osmolar Concentration; Osmotic Pressure; Pentagastrin; Regional Blood Flow; Rumen; Sheep; Urea | 1993 |
Lactation response to ruminally protected methionine and lysine at two amounts of ruminally available nitrogen.
Topics: Ammonia; Animal Feed; Animals; Body Weight; Cattle; Diet; Fatty Acids, Volatile; Female; Lactation; Lysine; Methionine; Milk Proteins; Rumen; Urea; Zea mays | 1993 |
[Helicobacter pylori associated gastritis: a primary study of ammonia and urea in gastric juice and mucus in gastric mucosa].
Topics: Ammonia; Gastric Juice; Gastric Mucosa; Gastritis; Helicobacter Infections; Helicobacter pylori; Humans; Mucus; Urea | 1993 |
Gastric ammonia has a potent ulcerogenic action on the rat stomach.
Topics: Action Potentials; Ammonia; Animals; Gastric Mucosa; Helicobacter pylori; Male; Rats; Rats, Sprague-Dawley; Stomach Ulcer; Urea; Urease | 1993 |
A noninvasive method for measuring urea kinetics with a single dose of [15N15N]urea in free-living humans.
Topics: Administration, Oral; Adult; Ammonia; Humans; Male; Nitrogen Isotopes; Pilot Projects; Time Factors; Urea | 1993 |
Effect of ammonia, urea and diammonium phosphate (DAP) on lung functions in fertilizer plant workers.
Topics: Ammonia; Bronchial Spasm; Fertilizers; Forced Expiratory Volume; Humans; Occupational Diseases; Peak Expiratory Flow Rate; Phosphates; Respiratory Function Tests; Time Factors; Urea; Vital Capacity | 1993 |
Measurement of urea and ammonium concentrations in gastric juice.
Topics: Ammonia; Ammonium Chloride; Biomarkers; Clinical Enzyme Tests; Gastric Juice; Helicobacter Infections; Helicobacter pylori; Humans; Hydrogen-Ion Concentration; Predictive Value of Tests; Sensitivity and Specificity; Urea; Urease | 1993 |
Hyperammonemia: the silent killer.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Carbamoyl-Phosphate Synthase (Ammonia); Carboxy-Lyases; Female; Humans; Infant, Newborn; Male; Methylmalonyl-CoA Decarboxylase; Urea | 1993 |
Rumen digestion and urinary excretion of purine derivatives in response to urea supplementation of sodium-treated straw fed to sheep.
Topics: Allantoin; Ammonia; Animal Feed; Animals; Digestion; Eating; Female; Nitrogen; Purines; Rumen; Sheep; Sodium; Urea | 1993 |
Intestinal and hepatic nitrogen balance in the rat after the administration of an oral protein load.
Topics: Amino Acids; Ammonia; Animals; Dietary Proteins; Intestinal Absorption; Intestinal Mucosa; Liver; Lymph; Male; Nitrogen; Portal System; Rats; Rats, Wistar; Time Factors; Urea | 1993 |
Effect of Helicobacter pylori infection on intragastric urea and ammonium concentrations in patients with chronic renal failure.
Topics: Ammonia; Female; Gastric Juice; Helicobacter Infections; Helicobacter pylori; Humans; Kidney Failure, Chronic; Male; Urea | 1993 |
Urea kinetics in neonates receiving total parenteral nutrition.
Topics: Ammonia; Female; Humans; Infant, Newborn; Intestine, Large; Male; Mass Spectrometry; Parenteral Nutrition, Total; Urea | 1993 |
Comparison of the effects of L-carnitine, D-carnitine and acetyl-L-carnitine on the neurotoxicity of ammonia.
Topics: Acetates; Acetylcarnitine; Ammonia; Animals; Brain; Carnitine; Male; Mice; Neurotoxins; Seizures; Stereoisomerism; Tissue Extracts; Urea | 1993 |
Time after feeding and dietary arginine deficiency alter splanchnic and hepatic amino acid flux in rats.
Topics: Absorption; Amino Acids; Ammonia; Analysis of Variance; Animals; Aorta, Abdominal; Arginine; Diet; Eating; Hepatic Veins; Liver; Male; Portal Vein; Rats; Rats, Sprague-Dawley; Regression Analysis; Time Factors; Urea; Viscera | 1993 |
Gastric mucosal hydrophobicity and Helicobacter pylori: response to antimicrobial therapy.
Topics: Adult; Ammonia; Body Water; Female; Gastric Juice; Gastric Mucosa; Gastritis; Helicobacter Infections; Helicobacter pylori; Humans; Male; Middle Aged; Urea | 1993 |
Analysis of intestinal flora of a patient with congenital absence of the portal vein.
Topics: Adolescent; Ammonia; Bacteria; Feces; Female; Humans; Hydrogen-Ion Concentration; Intestines; Portal Vein; Urea; Urease | 1993 |
[Comparative studies of the parameters of rumen fermentation and the digestibility of feed rations in cattle and sheep. 1. Parameters of rumen fermentation].
Topics: Ammonia; Animal Feed; Animals; Body Weight; Cattle; Dietary Fats; Dietary Fiber; Dietary Proteins; Fatty Acids, Volatile; Female; Fermentation; Male; Rumen; Sheep; Urea | 1993 |
Influence of level of urea and method of supplementation on characteristics of digestion of high-fiber diets by sheep.
Topics: Ammonia; Animal Feed; Animals; Dietary Fiber; Digestion; Fatty Acids, Volatile; Fermentation; Food, Fortified; Hydrogen-Ion Concentration; Male; Nitrogen; Rumen; Sheep; Urea | 1993 |
Effect of source of supplemental nitrogen on the utilization of citrus pulp-based diets by sheep.
Topics: Ammonia; Animal Feed; Animals; Citrus; Dietary Fiber; Digestion; Eating; Fatty Acids, Volatile; Food, Fortified; Hydrogen-Ion Concentration; Male; Nitrogen; Rumen; Sheep; Urea; Weight Gain | 1993 |
Net flux of metabolites across the ruminal wall of sheep fed twice a day with orchardgrass hay.
Topics: Absorption; Ammonia; Animal Feed; Animals; Arteries; Fatty Acids, Volatile; Hemoglobins; Hydrogen-Ion Concentration; Male; Osmolar Concentration; Poaceae; Regional Blood Flow; Rumen; Sheep; Urea; Urease; Veins | 1993 |
[A case of hyperammonemia in chronic renal failure successfully treated with the infusion of NaHCO3].
Topics: Acid-Base Equilibrium; Acidosis; Aged; Ammonia; Female; Hepatic Encephalopathy; Humans; Infusions, Intravenous; Kidney Failure, Chronic; Renal Dialysis; Sodium Bicarbonate; Urea | 1993 |
Effect of sodium benzoate on cerebral and hepatic energy metabolites in spf mice with congenital hyperammonemia.
Topics: Acetyl Coenzyme A; Adenosine Triphosphate; Ammonia; Animals; Benzoates; Benzoic Acid; Brain; Coenzyme A; Disease Models, Animal; Dose-Response Relationship, Drug; Glutamine; Liver; Male; Mice; Mice, Mutant Strains; Ornithine Carbamoyltransferase Deficiency Disease; Time Factors; Urea | 1993 |
Ammonium metabolism and protection from urease mediated destruction in Helicobacter pylori infection.
Topics: Ammonia; Citrates; Citric Acid; Helicobacter Infections; Helicobacter pylori; Humans; Isocitrates; Ketoglutaric Acids; Urea; Urease | 1993 |
Effect of urease-induced hyperammonemia on metabolism of guanidino compounds.
Topics: Ammonia; Animals; Arginine; Guanidines; Male; Rats; Rats, Sprague-Dawley; Succinates; Urea; Urease | 1993 |
Acid-base regulation of hepatic glutamine metabolism and ureagenesis: study with 15N.
Topics: Acid-Base Equilibrium; Acidosis; Alanine; Alkalosis; Ammonia; Animals; Aspartic Acid; Glutamine; In Vitro Techniques; Liver; Male; Nitrogen Isotopes; Rats; Rats, Sprague-Dawley; Urea | 1993 |
Effects of different heavy-resistance exercise protocols on plasma beta-endorphin concentrations.
Topics: Adult; Ammonia; Anaerobiosis; beta-Endorphin; Creatine Kinase; Creatinine; Heart Rate; Humans; Hydrocortisone; Lactates; Male; Physical Exertion; Urea; Weight Lifting | 1993 |
Diurnal variation of rumen ammonia, serum urea, and milk urea in dairy cows at high and low yields.
Topics: Ammonia; Animal Nutritional Physiological Phenomena; Animals; Cattle; Circadian Rhythm; Female; Lactation; Milk; Rumen; Urea | 1993 |
Reduction of fertility and alteration of uterine pH in heifers fed excess ruminally degradable protein.
Topics: Ammonia; Analysis of Variance; Animal Feed; Animals; Blood Urea Nitrogen; Cattle; Dietary Proteins; Estrus; Female; Fertility; Fertilization; Hydrogen-Ion Concentration; Insemination, Artificial; Random Allocation; Urea; Uterus | 1993 |
Carbamoylphosphate synthetase deficiency in an adult: deterioration due to administration of valproic acid.
Topics: Adult; Alanine; Ammonia; Blood Urea Nitrogen; Carbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing); Electrophoresis, Polyacrylamide Gel; Female; Humans; Liver; Urea; Valproic Acid | 1993 |
Hydrolysis of urea by Ureaplasma urealyticum generates a transmembrane potential with resultant ATP synthesis.
Topics: Adenosine Triphosphate; Ammonia; Benzamides; Cytoplasm; Energy Metabolism; Homeostasis; Hydrogen-Ion Concentration; Hydrolysis; Membrane Potentials; Urea; Ureaplasma urealyticum; Urease; Water | 1993 |
Regulation of urea and citrulline synthesis under physiological conditions.
Topics: Amino Acids; Ammonia; Animals; Citrulline; Glutamates; Male; Mitochondria, Liver; Nitrogen; Ornithine; Rats; Rats, Sprague-Dawley; Urea | 1993 |
Appearance of intraportally infused [15N]urea in blood and urine of domestic fowl.
Topics: Ammonia; Animals; Chickens; Diet; Glutamine; Infusions, Intravenous; Male; Nitrogen Isotopes; Portal Vein; Spectrometry, X-Ray Emission; Urea | 1994 |
Urea synthesis in enterocytes of developing pigs.
Topics: Ammonia; Ammonium Chloride; Animals; Animals, Newborn; Animals, Suckling; Arginine; Argininosuccinate Lyase; Argininosuccinate Synthase; Carbamoyl-Phosphate Synthase (Ammonia); Carbamyl Phosphate; Chromatography, High Pressure Liquid; Citrulline; Glutamine; Intestinal Mucosa; Intestines; Ornithine; Ornithine Carbamoyltransferase; Swine; Urea; Weaning | 1995 |
Biotin deficiency decreases ornithine transcarbamylase activity and mRNA in rat liver.
Topics: Amino Acids; Ammonia; Animals; Biotin; Blotting, Northern; Body Weight; Gene Expression Regulation, Enzymologic; Liver; Male; Ornithine Carbamoyltransferase; Rats; Rats, Wistar; RNA, Messenger; Urea | 1996 |
Effects of intraruminal infusion of propionate on the concentrations of ammonia and insulin in peripheral blood of cows receiving an intraruminal infusion of urea.
Topics: Ammonia; Animals; Cattle; Female; Hydrogen-Ion Concentration; Insulin; Propionates; Rumen; Urea | 1995 |
The influence of medium composition on the maintenance of cytochrome P-450, glutathione content and urea synthesis: a comparison of rat and sheep primary hepatocyte cultures.
Topics: Ammonia; Animals; Cells, Cultured; Culture Media; Cytochrome P-450 Enzyme System; Glutathione; Inactivation, Metabolic; Liver; Male; Microsomes, Liver; Rats; Rats, Sprague-Dawley; Sheep; Species Specificity; Urea; Xenobiotics | 1995 |
Ornithine transcarbamylase deficiency: case report and review.
Topics: Ammonia; Humans; Infant, Newborn; Male; Metabolism, Inborn Errors; Ornithine Carbamoyltransferase Deficiency Disease; Prenatal Diagnosis; Renal Dialysis; Urea | 1995 |
Studies on renal growth regulation by urea and ammonia in normal rat kidney cells.
Topics: Ammonia; Animals; Cell Adhesion; Cell Division; Cell Line; Cell Size; Culture Media; DNA; Hydrolysis; Kidney; Leucine; Protein Biosynthesis; Rats; Thymidine; Urea | 1995 |
Effect of feeding reduced protein, amino acid-supplemented diets on nitrogen and energy balance in grower pigs.
Topics: Amino Acids; Ammonia; Animals; Blood Urea Nitrogen; Diet, Protein-Restricted; Energy Metabolism; Food, Fortified; Lysine; Male; Nitrogen; Random Allocation; Swine; Threonine; Tryptophan; Urea | 1995 |
Urea ammoniation effects on the feeding value of guineagrass (Panicum maximum) hay.
Topics: Ammonia; Animal Feed; Animals; Digestion; Male; Nutritive Value; Poaceae; Random Allocation; Sheep; Urea; Urease | 1995 |
Zinc supplementation and amino acid-nitrogen metabolism in patients with advanced cirrhosis.
Topics: Administration, Oral; Adult; Aged; Alanine; Ammonia; Female; Glucagon; Hepatic Encephalopathy; Humans; Lipid Peroxides; Liver; Liver Cirrhosis; Male; Middle Aged; Nitrogen; Prospective Studies; Sulfates; Urea; Zinc; Zinc Compounds; Zinc Sulfate | 1996 |
The effect of oxygen transport resistances on the viability and functions of isolated rat hepatocytes.
Topics: Ammonia; Animals; Artificial Organs; Biological Transport, Active; Cell Separation; Cell Survival; Cell Transplantation; Cells, Cultured; Hepatic Encephalopathy; Liver; Male; Mathematics; Microscopy, Electron, Scanning; Oxygen Consumption; Phenolsulfonphthalein; Rats; Rats, Wistar; Urea | 1996 |
A mass isotopomer study of urea and glutamine synthesis from 15N-labeled ammonia in the perfused rat liver.
Topics: Ammonia; Animals; Glutamine; Isotope Labeling; Kinetics; Liver; Male; Mathematics; Models, Theoretical; Nitrogen; Nitrogen Isotopes; Perfusion; Rats; Rats, Sprague-Dawley; Reproducibility of Results; Urea | 1996 |
Effects of submicellar bile salt concentrations on biological membrane permeability to low molecular weight non-ionic solutes.
Topics: Ammonia; Animals; Bile Acids and Salts; Calorimetry; Dose-Response Relationship, Drug; Glycodeoxycholic Acid; Intracellular Membranes; Kinetics; Light; Liposomes; Male; Micelles; Microsomes, Liver; Models, Biological; Molecular Weight; Permeability; Phosphatidylcholines; Rats; Rats, Sprague-Dawley; Scattering, Radiation; Solutions; Taurochenodeoxycholic Acid; Taurodeoxycholic Acid; Urea | 1996 |
Decreased ureagenesis from alanine, but not from ammonia and glutamine, in the perfused rat liver after partial hepatectomy.
Topics: Alanine; Ammonia; Animals; Glutamate Dehydrogenase; Glutaminase; Glutamine; Hepatectomy; Kinetics; Liver; Liver Regeneration; Male; Perfusion; Rats; Rats, Sprague-Dawley; Urea | 1996 |
The effects of ambient pH on nitrogen excretion in early life stages of the American toad (Bufo americanus).
Topics: Acid Rain; Ammonia; Animals; Body Water; Bufonidae; Embryo, Nonmammalian; Hydrogen-Ion Concentration; Larva; Nitrogen; Urea | 1996 |
Microencapsulated genetically engineered live E. coli DH5 cells administered orally to maintain normal plasma urea level in uremic rats.
Topics: Administration, Oral; Ammonia; Animals; Capsules; Disease Models, Animal; Escherichia coli; Feasibility Studies; Genetic Engineering; Klebsiella pneumoniae; Male; Rats; Rats, Wistar; Renal Insufficiency; Urea; Urease; Uremia | 1996 |
Clinical and pathological studies in horses with hepatic disease.
Topics: Ammonia; Animals; Bile Acids and Salts; Bilirubin; Biopsy; Blood Glucose; Disease Progression; Female; gamma-Glutamyltransferase; Glutamate Dehydrogenase; Hepatic Encephalopathy; Horse Diseases; Horses; Lipidoses; Liver; Liver Diseases; Liver Neoplasms; Male; Urea | 1996 |
Ruminal availabilities of protein and starch: effects on growth and ruminal and plasma metabolites of dairy calves.
Topics: Amino Acids; Ammonia; Animal Feed; Animals; Animals, Newborn; Blood Glucose; Cattle; Citrates; Citric Acid; Dietary Carbohydrates; Dietary Proteins; Eating; Fatty Acids, Volatile; Female; Glycine max; Male; Rumen; Starch; Urea; Weight Gain; Zea mays | 1996 |
Development of a bioartificial liver with sandwiched-cultured hepatocytes between two collagen gel layers.
Topics: Ammonia; Animals; Artificial Organs; Cell Survival; Cells, Cultured; Collagen; DNA; Fluorescent Dyes; Gels; Indoles; Liver; Liver Transplantation; Male; Microscopy, Phase-Contrast; Perfusion; Rats; Rats, Wistar; Urea | 1996 |
Effects of dietary concentrate level on nutrient absorption, liver metabolism, and urea kinetics of beef steers fed isonitrogenous and isoenergetic diets.
Topics: Ammonia; Animals; Cattle; Diet; Lactates; Liver; Male; Nitrogen; Triticum; Urea; Zea mays | 1996 |
Cryptogenic hepatitis masking the diagnosis of ornithine transcarbamylase deficiency.
Topics: Absorption; Ammonia; Arginine; Child, Preschool; Citrulline; Diagnosis, Differential; Dietary Proteins; Female; Glutamine; Hepatitis; Humans; Infant; Lysine; Ornithine; Ornithine Carbamoyltransferase Deficiency Disease; Orotic Acid; Urea | 1996 |
Microencapsulated genetically engineered E. coli DH5 cells for plasma urea and ammonia removal based on: 1. Column bioreactor and 2. Oral administration in uremic rats.
Topics: Administration, Oral; Ammonia; Animals; Bioreactors; Drug Compounding; Equipment Design; Escherichia coli; Evaluation Studies as Topic; Genetic Engineering; Rats; Urea; Uremia | 1996 |
Effect of intraruminal propionic acid infusion on metabolism of mesenteric- and portal-drained viscera in growing steers fed a forage diet: II. Ammonia, urea, amino acids, and peptides.
Topics: Amino Acids; Ammonia; Animals; Cattle; Chromatography, High Pressure Liquid; Male; Mesenteric Veins; Peptides; Portal Vein; Propionates; Random Allocation; Urea; Viscera | 1996 |
Influence of caecal microflora and of two dietary protein levels on the adaptation of the exocrine pancreas: comparative study in germ-free and conventional rats.
Topics: Adaptation, Physiological; Ammonia; Amylases; Animals; Cecum; Dietary Proteins; Endopeptidases; Fatty Acids, Volatile; Fermentation; Germ-Free Life; Hydrogen-Ion Concentration; Lipase; Male; Pancreas; Rats; Rats, Inbred F344; Urea | 1996 |
The effect of catabolite concentration on the viability and functions of isolated rat hepatocytes.
Topics: Ammonia; Animals; Cell Survival; Cells, Cultured; Collagen; Dose-Response Relationship, Drug; Glutamate Dehydrogenase; Lactates; Lactic Acid; Liver; Liver Regeneration; Male; Rats; Rats, Wistar; Urea | 1996 |
Action of cypermethrin on tissue transamination during nitrogen metabolism in Cyprinus carpio.
Topics: Alanine Transaminase; Ammonia; Animals; Aspartate Aminotransferases; Brain; Carps; Chemical Fractionation; Gills; Glutamate Dehydrogenase; Glutamate-Ammonia Ligase; Glutamine; Insecticides; Liver; Muscles; Nitrogen; Oxidation-Reduction; Pyrethrins; Tissue Distribution; Urea; Water Pollutants, Chemical | 1996 |
The fate of absorbed and exogenous ammonia as influenced by forage or forage-concentrate diets in growing sheep.
Topics: Amino Acids; Ammonia; Animal Feed; Animals; Carbon Radioisotopes; Liver; Male; Nitrogen; Oxygen Consumption; Sheep; Splanchnic Circulation; Urea | 1996 |
Determinants of ammonia clearance by hemodialysis.
Topics: Ammonia; Blood Flow Velocity; Brain Edema; Dialysis Solutions; Glutamine; Hepatic Encephalopathy; Humans; In Vitro Techniques; Renal Dialysis; Urea | 1996 |
Ciliated cultured dermal fibroblasts in a patient with hyperornithinemia, hyperammonemia and homocitrullinuria (HHH) syndrome.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Animals; Cells, Cultured; Cilia; Citrulline; Endoplasmic Reticulum, Rough; Fibroblasts; Humans; Microscopy, Electron; Mitochondria; Ornithine; Skin; Syndrome; Urea | 1995 |
[A case of citrullinemia repeatedly induced by pregnancy].
Topics: Adult; Ammonia; Argininosuccinate Synthase; Citrulline; Female; Humans; Pregnancy; Pregnancy Complications, Hematologic; Pregnancy Outcome; Recurrence; Urea | 1996 |
Utilization of endogenous and dietary urea in the large intestine of the mature horse.
Topics: Ammonia; Animals; Diet, Protein-Restricted; Glycine max; Horses; Intestine, Large; Male; Nitrogen; Urea | 1996 |
Significance of ammonia in the genesis of gastric epithelial lesions induced by Helicobacter pylori: an in vitro study with different bacterial strains and urea concentrations.
Topics: Ammonia; Bacterial Proteins; Bacterial Toxins; Gastric Mucosa; Helicobacter pylori; Humans; Hydroxamic Acids; Urea; Urease; Vacuoles | 1996 |
Permeability properties of the intact mammalian bladder epithelium.
Topics: Ammonia; Animals; Detergents; Diffusion; Dissection; Epithelium; In Vitro Techniques; Nystatin; Octoxynol; Permeability; Protons; Rabbits; Urea; Urinary Bladder | 1996 |
Plasma flow and net nutrient flux across gut and liver of cattle fed twice daily.
Topics: Ammonia; Animal Nutritional Physiological Phenomena; Animals; Cattle; Diet; Digestive System; Digestive System Physiological Phenomena; Female; Glucose; Lactation; Liver; Male; Medicago sativa; Regional Blood Flow; Urea; Zea mays | 1996 |
Effect of dietary neutral detergent fiber on ileal digestibility and portal flux of nitrogen and amino acids and on nitrogen utilization in growing pigs.
Topics: Amino Acids; Ammonia; Animals; Cross-Sectional Studies; Detergents; Dietary Fiber; Digestion; Ileum; Male; Nitrogen; Portal Vein; Random Allocation; Regional Blood Flow; Swine; Urea | 1996 |
Sucrose administration to partially hepatectomized rats: a possible model to study ethanol-induced inhibition of liver regeneration.
Topics: Ammonia; Animals; Bilirubin; Blood Glucose; Ethanol; Hepatectomy; Liver; Liver Regeneration; Male; Rats; Rats, Wistar; Serum Albumin; Sucrose; Triglycerides; Urea | 1996 |
Regulation of [15N]urea synthesis from [5-15N]glutamine. Role of pH, hormones, and pyruvate.
Topics: Amino Acids; Ammonia; Animals; Citric Acid Cycle; Citrulline; Gas Chromatography-Mass Spectrometry; Glucagon; Glutamates; Glutaminase; Glutamine; Hydrogen-Ion Concentration; Insulin; Liver; Male; Pyruvic Acid; Rats; Rats, Sprague-Dawley; Urea | 1996 |
Use of nitrogen from ammoniated alfalfa hay, urea, soybean meal, and animal protein meal by lactating cows.
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Cattle; Dietary Proteins; Digestion; Female; Glycine max; Lactation; Medicago sativa; Nitrogen; Urea | 1996 |
Live E. coli cells to treat uremia.
Topics: Administration, Oral; Ammonia; Animals; Disease Models, Animal; Escherichia coli; Genetic Engineering; Genetic Therapy; Humans; Rats; Reference Values; Renal Circulation; Renal Insufficiency; Species Specificity; Stomach; Survival Rate; Urea; Urease; Uremia | 1997 |
Excess dietary urea intake in ewes and its effect on ovulation rate and embryo development.
Topics: Ammonia; Animals; Body Weight; Diet; Dinoprost; Dose-Response Relationship, Drug; Embryonic and Fetal Development; Estrus Synchronization; Female; Gonadotropins, Equine; In Vitro Techniques; Laparoscopy; Luteinizing Hormone; Ovulation; Pregnancy; Progesterone; Random Allocation; Sheep; Time Factors; Urea | 1996 |
Coupling of enzyme reactions to the charge transfer at the interface of two immiscible solvents.
Topics: Amines; Aminohydrolases; Ammonia; Biosensing Techniques; Creatinine; Electrochemistry; Enzymes; Ion-Selective Electrodes; Urea; Urease | 1997 |
Fatal clinical course of ornithine transcarbamylase deficiency in an adult heterozygous female patient.
Topics: Adult; Ammonia; Fatal Outcome; Female; Hemofiltration; Heterozygote; Humans; Liver Transplantation; Metabolism, Inborn Errors; Ornithine Carbamoyltransferase; Ornithine Carbamoyltransferase Deficiency Disease; Pedigree; Renal Dialysis; Urea | 1997 |
Hepatocytes entrapped in collagen gel following 14 days of storage at 4 degrees C: preservation of hybrid artificial liver.
Topics: Ammonia; Animals; Aspartate Aminotransferases; Cell Separation; Cell Size; Cells, Cultured; Cold Temperature; Collagen; Fructose; Gels; Gluconeogenesis; Lidocaine; Liver; Liver, Artificial; Male; Microscopy, Electron, Scanning; Microscopy, Phase-Contrast; Rats; Rats, Inbred Lew; Tissue Preservation; Urea | 1997 |
Hyperammonaemia associated with encephalopathy and abdominal pain without evidence of liver disease in four mature horses.
Topics: Abdominal Pain; Ammonia; Animals; Bicarbonates; Bile Acids and Salts; Bilirubin; Biomarkers; Creatinine; Female; Hepatic Encephalopathy; Horse Diseases; Horses; Hydrogen-Ion Concentration; Liver; Liver Diseases; Syndrome; Urea | 1997 |
Influence of a deficient intake of high and low degradable protein on body composition, metabolic adaptation, production and reproductive performance in early lactation dairy cows.
Topics: Adaptation, Physiological; Amino Acids; Ammonia; Animals; Body Composition; Cattle; Dietary Proteins; Dinoprost; Female; Hydrocortisone; Lactation; Lipids; Milk; Nutritive Value; Ovary; Postpartum Period; Pregnancy; Pregnancy Rate; Reproduction; Rumen; Thyroxine; Time Factors; Triiodothyronine; Urea | 1996 |
Serum analytes in the Tammar wallaby, Macropus eugenii.
Topics: Aging; Ammonia; Animals; Australia; Blood Glucose; Blood Proteins; Calcium; Chlorides; Creatinine; Electrolytes; Female; Macropodidae; Magnesium; Male; Phosphorus; Potassium; Reference Values; Serum Albumin; Sodium; Spectrophotometry; Urea; Zinc | 1997 |
The anaerobic fungus Piromyces sp. strain E2: nitrogen requirement and enzymes involved in primary nitrogen metabolism.
Topics: Albumins; Allantoin; Amino Acids; Ammonia; Anaerobiosis; Fungi; Glutamate Dehydrogenase; Glutamate Synthase; Glutamate-Ammonia Ligase; Glutamine; NAD; Nitrites; Nitrogen; Quaternary Ammonium Compounds; Transaminases; Urea | 1996 |
Clinical and pathological studies in cattle with hepatic disease.
Topics: Ammonia; Animals; Bile Acids and Salts; Biopsy; Blood Glucose; Cattle; Cattle Diseases; Female; gamma-Glutamyltransferase; Glutamate Dehydrogenase; Ketone Bodies; Leucine; Liver; Liver Diseases; N-Glycosyl Hydrolases; Prognosis; Urea | 1997 |
Urinary excretion of endogenous nitrogen metabolites in adult domestic cats using a protein-free diet and the regression technique.
Topics: Ammonia; Analysis of Variance; Animals; Body Weight; Cats; Creatinine; Diet; Dietary Proteins; Energy Intake; Female; Male; Nitrogen; Regression Analysis; Urea; Weight Loss | 1997 |
Effects of ruminally degradable nitrogen intake and in vitro addition of ammonia and propionate on the metabolic fate of L-[1-14C]alanine and L-[15N]alanine in isolated sheep hepatocytes.
Topics: Alanine; Amino Acids; Ammonia; Animals; Carbon; Carbon Dioxide; Carbon Radioisotopes; Cells, Cultured; Diet; Eating; Fatty Acids, Volatile; Female; Fermentation; Glucose; Hydrogen-Ion Concentration; In Vitro Techniques; Liver; Nitrogen; Nitrogen Isotopes; Oxidation-Reduction; Propionates; Rumen; Sheep; Urea | 1997 |
Enhanced metabolism of arginine and glutamine in enterocytes of cortisol-treated pigs.
Topics: Amino Acids; Ammonia; Animals; Animals, Suckling; Arginase; Arginine; Argininosuccinate Lyase; Argininosuccinate Synthase; Cells, Cultured; Glutamine; Hydrocortisone; Jejunum; Mifepristone; Ornithine-Oxo-Acid Transaminase; Receptors, Glucocorticoid; Swine; Urea; Weaning | 1997 |
Fermentable carbohydrate exerts a urea-lowering effect in normal and nephrectomized rats.
Topics: Ammonia; Animals; Cecum; Dietary Carbohydrates; Dietary Proteins; Fermentation; Inulin; Kidney; Male; Nephrectomy; Rats; Rats, Wistar; Starch; Urea | 1997 |
Gastric juice urease activity as a diagnostic test for Helicobacter pylori infection.
Topics: Ammonia; Clinical Enzyme Tests; Duodenal Ulcer; Dyspepsia; Female; Gastric Juice; Helicobacter Infections; Helicobacter pylori; Humans; Male; Stomach Ulcer; Urea; Urease | 1997 |
Decreased plasma and tissue isoleucine levels after simulated gastrointestinal bleeding by blood gavages in chronic portacaval shunted rats.
Topics: Ammonia; Animals; Cattle; Cerebral Cortex; Erythrocytes; Gastrointestinal Hemorrhage; Isoleucine; Leucine; Liver; Male; Muscle, Skeletal; Portacaval Shunt, Surgical; Rats; Rats, Wistar; Urea; Valine | 1997 |
Effect of increasing proportion of supplemental nitrogen from urea on intake and utilization of low-quality, tallgrass-prairie forage by beef steers.
Topics: Ammonia; Animals; Cattle; Diet; Dietary Proteins; Digestion; Duodenum; Eating; Fatty Acids, Volatile; Feces; Fermentation; Food, Fortified; Hydrogen-Ion Concentration; Male; Nitrogen; Poaceae; Rumen; Urea | 1997 |
Glucocorticoids play an important role in mediating the enhanced metabolism of arginine and glutamine in enterocytes of postweaning pigs.
Topics: Aging; Ammonia; Animals; Arginase; Arginine; Argininosuccinate Lyase; Argininosuccinate Synthase; Carbon Dioxide; Cells, Cultured; DNA; Enzyme Induction; Female; Glucocorticoids; Glutamine; Hydrocortisone; Jejunum; Male; Mifepristone; Ornithine; Proline; Receptors, Glucocorticoid; Swine; Urea; Weaning | 1997 |
Helicobacter pylori-human polymorphonuclear leucocyte interaction in the presence of ammonia.
Topics: Ammonia; Biopsy; Chemotaxis, Leukocyte; Dose-Response Relationship, Drug; Gastric Mucosa; Helicobacter Infections; Helicobacter pylori; Humans; Hydrogen-Ion Concentration; Luminescent Measurements; Neutrophils; Phagocytosis; Respiratory Burst; Stomach Diseases; Urea; Urease | 1997 |
Suppression of Helicobacter pylori urease activity by sucralfate and sulglycotide.
Topics: Ammonia; Anti-Ulcer Agents; Centrifugation; Enzyme Inhibitors; Helicobacter pylori; Kinetics; Sialoglycoproteins; Sonication; Sucralfate; Urea; Urease | 1997 |
Physiological basis in the assessment of ecotoxicity of pesticides to soil organisms.
Topics: Ammonia; Animals; Carbofuran; Carbon Dioxide; Growth; Herbicides; Insecticides; Oligochaeta; Oxygen Consumption; Pesticides; Reproduction; Soil Pollutants; Triazines; Urea | 1997 |
Dietary excesses of urea influence the viability and metabolism of preimplantation sheep embryos and may affect fetal growth among survivors.
Topics: Ammonia; Animals; Blastocyst; Diet; Embryo Transfer; Embryonic and Fetal Development; Female; Follicle Stimulating Hormone; Glucose; Insemination, Artificial; Insulin; Luteinizing Hormone; Male; Nitrogen; Ovulation Induction; Pregnancy; Pregnancy Rate; Progesterone; Radioimmunoassay; Rumen; Sheep; Urea | 1997 |
Comparison of mechanistic rumen models on mathematical formulation of extramicrobial and microbial processes.
Topics: Absorption; Ammonia; Animals; Dietary Fats; Dietary Fiber; Fatty Acids, Volatile; Glycerol; Mathematics; Models, Biological; Molecular Weight; Proteins; Rumen; Starch; Urea | 1997 |
Carnitine for valproic acid-induced hyperammonemia.
Topics: Adult; Ammonia; Bipolar Disorder; Carbamoyl-Phosphate Synthase (Ammonia); Carnitine; Depressive Disorder; Drug Administration Schedule; Female; Humans; Urea; Valproic Acid | 1997 |
Focal glycogenosis of the liver in disorders of ureagenesis: its occurrence and diagnostic significance.
Topics: Adolescent; Ammonia; Carbamoyl-Phosphate Synthase (Ammonia); Child; Child, Preschool; Diagnosis, Differential; Female; Glycogen Storage Disease; Humans; Infant; Infant, Newborn; Liver; Male; Ornithine Carbamoyltransferase Deficiency Disease; Reye Syndrome; Urea | 1997 |
Nutrient fluxes in splanchnic tissue of dairy cows: influence of grass quality.
Topics: 3-Hydroxybutyric Acid; Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Blood Glucose; Butyrates; Butyric Acid; Cattle; Digestion; Fatty Acids, Volatile; Female; Fertilizers; Gluconeogenesis; Hydroxybutyrates; Liver; Nitrogen; Poaceae; Rumen; Secale; Splanchnic Circulation; Urea | 1997 |
[Evaluation of the effect of long term valproic acid treatment on plasma levels of carnitine, ammonia and amino acids related to the urea cycle in pediatric epileptic patients].
Topics: Adolescent; Amino Acids; Ammonia; Anticonvulsants; Carnitine; Child; Child, Preschool; Epilepsy; Glutamine; Glycine; Humans; Infant; Infant, Newborn; Ornithine; Prospective Studies; Retrospective Studies; Urea; Valproic Acid | 1997 |
The relationship among dietary undetermined anion, acid-base balance, and nutrient metabolism in swine.
Topics: Acid-Base Equilibrium; Ammonia; Analysis of Variance; Animal Nutritional Physiological Phenomena; Animals; Anions; Calcium; Calcium Chloride; Chlorides; Diet; Digestion; Drinking; Glycine max; Hordeum; Hydrogen-Ion Concentration; Magnesium; Minerals; Nitrogen; Phosphorus; Random Allocation; Sodium; Sulfur; Swine; Urea; Weight Gain | 1997 |
Effect of resistant starch on net portal-drained viscera flux of glucose, volatile fatty acids, urea, and ammonia in growing pigs.
Topics: Ammonia; Animals; Blood Glucose; Diet; Fatty Acids, Volatile; Feces; Glucose; Male; Nitrogen; Portal System; Random Allocation; Solanum tuberosum; Starch; Swine; Urea; Viscera; Zea mays | 1997 |
Treatment of cirrhotic rats with L-ornithine-L-aspartate enhances urea synthesis and lowers serum ammonia levels.
Topics: Amino Acids; Ammonia; Animals; Carbon Tetrachloride; Dipeptides; Liver; Liver Cirrhosis, Experimental; Rats; Urea | 1997 |
Ensuring a minimum urine flow rate during water deprivation in chronic fasting.
Topics: 3-Hydroxybutyric Acid; Adolescent; Adult; Aged; Ammonia; Electrolytes; Fasting; Female; Humans; Hydroxybutyrates; Male; Middle Aged; Osmolar Concentration; Urea; Urination; Urine; Water Deprivation | 1997 |
Hippurate as a source of renal and hepatic ammoniagenesis in different species.
Topics: Acidosis; Ammonia; Animals; Cats; Cattle; Glutamine; Glycine; Hippurates; Humans; Kidney; Kidney Tubules; Liver; Nitrogen Isotopes; Rats; Species Specificity; Urea | 1997 |
Incorporation of 15N-labelled precursors into urea isotopomers.
Topics: Ammonia; Ammonium Chloride; Liver; Mitochondria; Nitrogen; Nitrogen Isotopes; Perfusion; Urea | 1997 |
Enrichment in urinary ammonia and urea with hourly oral doses of [15N]glycine: evidence for a step function and a circadian rhythm in protein turnover.
Topics: Adult; Ammonia; Circadian Rhythm; Female; Glycine; Humans; Male; Nitrogen Isotopes; Protein Biosynthesis; Proteins; Urea | 1997 |
Ligation of caeca improves nitrogen utilisation and decreases urinary uric acid excretion in chickens fed on a low protein diet plus urea.
Topics: Ammonia; Animal Feed; Animals; Cecum; Chickens; Diet, Protein-Restricted; Digestion; Fermentation; Male; Nitrogen; Urea; Uric Acid | 1997 |
Urea transport in gastrointestinal tract of ruminants: effect of dietary nitrogen.
Topics: Ammonia; Animals; Biological Transport; Colon; Diet; Gastric Mucosa; Intestinal Absorption; Intestinal Mucosa; Nitrogen; Rumen; Ruminants; Sheep; Urea | 1997 |
A statistical evaluation of animal and nutritional factors influencing concentrations of milk urea nitrogen.
Topics: Ammonia; Animal Nutritional Physiological Phenomena; Animals; Blood Urea Nitrogen; Cattle; Energy Intake; Female; Lactation; Milk; Nitrogen; Regression Analysis; Rumen; Urea | 1997 |
Diurnal variation in milk and plasma urea nitrogen in Holstein and Jersey cows in response to degradable dietary protein and added fat.
Topics: Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Cattle; Circadian Rhythm; Dietary Fats; Dietary Proteins; Female; Hydrogen-Ion Concentration; Lactation; Medicago sativa; Milk; Nitrogen; Rumen; Silage; Urea; Zea mays | 1997 |
A mathematical model of the influence of salivary urea on the pH of fasted dental plaque and on the changes occurring during a cariogenic challenge.
Topics: Acetates; Acids; Ammonia; Bacteria; Buffers; Carbon Dioxide; Carbonates; Cariogenic Agents; Chewing Gum; Dental Caries; Dental Deposits; Dental Plaque; Dietary Sucrose; Diffusion; Electrochemistry; Fasting; Forecasting; Humans; Hydrogen-Ion Concentration; Ions; Lactates; Models, Biological; Phosphates; Protons; Saliva; Urea; Urease | 1998 |
In vitro ammonia utilization and urea synthesis by rat liver after portacaval shunt.
Topics: Ammonia; Animals; Cell Count; Liver; Male; Portacaval Shunt, Surgical; Rats; Rats, Wistar; Time Factors; Urea | 1997 |
Effect of degradable intake protein level on finishing cattle performance and ruminal metabolism.
Topics: Ammonia; Animals; Body Composition; Cattle; Diet; Dietary Proteins; Dietary Supplements; Eating; Male; Nitrogen; Random Allocation; Rumen; Urea; Zea mays | 1998 |
Nitrogen excretion and expression of carbamoyl-phosphate synthetase III activity and mRNA in extrahepatic tissues of largemouth bass (Micropterus salmoides).
Topics: Amino Acid Sequence; Ammonia; Animals; Arginase; Base Sequence; Bass; Carbon-Nitrogen Ligases; Glutamate Dehydrogenase; Glutamate-Ammonia Ligase; Intestines; L-Lactate Dehydrogenase; Liver; Molecular Sequence Data; Muscles; Ornithine Carbamoyltransferase; RNA, Messenger; Sequence Analysis, DNA; Sequence Homology, Amino Acid; Urea | 1998 |
Phenylalanine- and tyrosine-auxotrophic mutants of Saccharomyces cerevisiae impaired in transamination.
Topics: Amino Acids; Ammonia; Culture Media; Fungal Proteins; Genes, Fungal; Isoenzymes; Kynurenine; Lyases; Phenotype; Phenylalanine; Phenylpyruvic Acids; Saccharomyces cerevisiae; Substrate Specificity; Transaminases; Tyrosine; Urea | 1998 |
Characterisation of Saccharomyces cerevisiae ARO8 and ARO9 genes encoding aromatic aminotransferases I and II reveals a new aminotransferase subfamily.
Topics: 2-Aminoadipic Acid; Amino Acid Sequence; Amino Acids; Ammonia; Base Sequence; Cloning, Molecular; Consensus Sequence; Culture Media; DNA Replication; DNA, Fungal; Enzyme Induction; Fungal Proteins; Gene Deletion; Gene Expression Regulation, Fungal; Genes, Fungal; Genetic Complementation Test; Isoenzymes; Lyases; Molecular Sequence Data; Multigene Family; Phenylalanine; Recombinant Fusion Proteins; Saccharomyces cerevisiae; Sequence Alignment; Sequence Homology; Substrate Specificity; Transaminases; Tyrosine; Urea | 1998 |
Renal function in adult beta-thalassemia/Hb E disease.
Topics: Acetylglucosaminidase; Adult; Ammonia; beta 2-Microglobulin; beta-Thalassemia; Bicarbonates; Creatinine; Deamino Arginine Vasopressin; Diuretics; Erythrocyte Count; Female; Ferritins; Furosemide; Hemoglobin E; Hemoglobinopathies; Humans; Hydrogen-Ion Concentration; Kidney; Male; Malondialdehyde; Osmolar Concentration; Proteinuria; Renal Agents; Renal Aminoacidurias; Splenectomy; Thailand; Urea; Water Deprivation | 1998 |
Hepatic response to increased exogenous supply of plasma amino acids by infusion into the mesenteric vein of Holstein-Friesian cows in late gestation.
Topics: Amino Acids; Ammonia; Animals; Cattle; Electrolytes; Fatty Acids, Volatile; Female; Glucose; Infusions, Intravenous; Insulin; Liver; Mesenteric Veins; Nitrogen; Oxygen; Parenteral Nutrition Solutions; Pregnancy; Regression Analysis; Solutions; Urea | 1997 |
Water and solute permeabilities of medullary thick ascending limb apical and basolateral membranes.
Topics: Ammonia; Animals; Cell Membrane; Cell Polarity; Cell-Free System; Glycerol; Hydrogen-Ion Concentration; Kidney Medulla; Kidney Tubules; Permeability; Rats; Subcellular Fractions; Urea; Water; Water-Electrolyte Balance | 1998 |
Hepatocyte culture utilizing porous polyvinyl formal resin maintains long-term stable albumin secretion activity.
Topics: Albumins; Ammonia; Cells, Cultured; Composite Resins; Culture Media; Formaldehyde; Hemostatics; Liver; Microscopy, Electron, Scanning; Polyvinyl Alcohol; Porosity; Urea | 1998 |
Bronchial asthma in two chemical fertilizer producing factories in eastern Saudi Arabia.
Topics: Adult; Ammonia; Asthma; Bronchitis; Chronic Disease; Cross-Sectional Studies; Fertilizers; Humans; Logistic Models; Male; Maximum Allowable Concentration; Occupational Diseases; Occupational Exposure; Prevalence; Saudi Arabia; Smoking; Time Factors; Urea | 1998 |
Hyperinsulinism and hyperammonemia in infants with regulatory mutations of the glutamate dehydrogenase gene.
Topics: Ammonia; Child; Child, Preschool; DNA Mutational Analysis; Female; Glutamate Dehydrogenase; Humans; Hyperinsulinism; Infant; Insulin; Insulin Secretion; Male; Metabolism, Inborn Errors; Mitochondria; Point Mutation; Syndrome; Urea | 1998 |
Effects of Yucca shidigera extract and soluble protein on performance of cows and concentrations of urea nitrogen in plasma and milk.
Topics: Ammonia; Animals; Blood Urea Nitrogen; Cattle; Dietary Proteins; Female; Hydrogen-Ion Concentration; Lactation; Liliaceae; Milk; Nitrogen; Plant Extracts; Rumen; Solubility; Urea | 1998 |
Protein degradability and calcium salts of long-chain fatty acids in the diets of lactating dairy cows: productive responses.
Topics: Ammonia; Animal Feed; Animals; Body Composition; Body Weight; Calcium; Cattle; Diet; Dietary Proteins; Digestion; Fatty Acids; Female; Glycine max; Insulin; Lactation; Lipids; Milk; Rumen; Urea | 1998 |
Effects of nitrogenous components of urine on sperm motility: an in vitro study.
Topics: Adult; Ammonia; Creatinine; Humans; Male; Nitrogen; Sperm Motility; Urea; Uric Acid | 1998 |
Feeding diets containing high levels of milk products or cellulose decrease urease activity and ammonia production in rat intestine.
Topics: Ammonia; Animals; Caseins; Cellulose; Diet; Intestine, Large; Intestine, Small; Intestines; Lactose; Male; Milk; Rats; Stomach; Urea; Urease; Yogurt | 1998 |
Control of oxidative phosphorylation, gluconeogenesis, ureagenesis and ATP turnover in isolated perfused rat liver analyzed by top-down metabolic control analysis.
Topics: 3-Hydroxybutyric Acid; Acetoacetates; Adenosine Triphosphate; Ammonia; Amobarbital; Animals; Gluconeogenesis; Glucose; Hydroxybutyrates; Lactic Acid; Liver; Oxidative Phosphorylation; Oxygen Consumption; Perfusion; Pyruvic Acid; Quinolinic Acid; Rats; Urea; Valine | 1998 |
Proceedings of a satellite meeting on advances in inherited urea cycle disorders. Vienna, 20-21 May 1997.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Arginine; Carbamoyl-Phosphate Synthase (Ammonia); Citrulline; Genetic Therapy; Genome, Human; Humans; Nitrogen; Ornithine Carbamoyltransferase Deficiency Disease; Urea | 1998 |
Molecular genetic research into carbamoyl-phosphate synthase I: molecular defects and linkage markers.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Carbamoyl-Phosphate Synthase (Ammonia); Genetic Linkage; Genetic Markers; Humans; Infant, Newborn; Mutation; Prenatal Diagnosis; Urea | 1998 |
Liver transplantation for the treatment of urea cycle disorders.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Canada; Carbamoyl-Phosphate Synthase (Ammonia); Child; Citrulline; Communication Disorders; Female; Graft Rejection; Humans; Intellectual Disability; Liver Transplantation; Male; Microcephaly; Ornithine Carbamoyltransferase Deficiency Disease; Treatment Outcome; United States; Urea | 1998 |
Evaluation of gene therapy for citrullinaemia using murine and bovine models.
Topics: Adenoviruses, Human; Amino Acid Metabolism, Inborn Errors; Ammonia; Animals; Arginine; Argininosuccinate Synthase; Benzoates; Benzoic Acid; Cattle; Citrulline; Disease Models, Animal; Evaluation Studies as Topic; Gene Transfer Techniques; Genetic Therapy; Genetic Vectors; Liver; Mice; Nitrogen; Treatment Outcome; Urea | 1998 |
Neurodevelopmental outcome of long-term therapy of urea cycle disorders in Japan.
Topics: Age of Onset; Amino Acid Metabolism, Inborn Errors; Ammonia; Female; Humans; Hyperargininemia; Infant; Infant, Newborn; Intelligence; Japan; Male; Neurobehavioral Manifestations; Ornithine Carbamoyltransferase Deficiency Disease; Retrospective Studies; Survival Rate; Treatment Outcome; Urea | 1998 |
L-ornithine-L-aspartate in experimental portal-systemic encephalopathy: therapeutic efficacy and mechanism of action.
Topics: Ammonia; Animals; Dipeptides; Glutamic Acid; Hepatic Encephalopathy; Male; Portacaval Shunt, Surgical; Rats; Rats, Sprague-Dawley; Urea | 1998 |
Serum nitrates and creatinine in workers exposed to atmospheric nitrogen oxides and ammonia.
Topics: Adult; Air Pollutants, Occupational; Ammonia; Arginine; Creatinine; Fertilizers; Humans; Linear Models; Male; Middle Aged; Nitrates; Nitrogen Oxides; Occupational Exposure; Urea | 1998 |
Ammonia clearance by peritoneal dialysis and continuous arteriovenous hemodiafiltration.
Topics: Ammonia; Fatal Outcome; Hemofiltration; Humans; Infant, Newborn; Male; Metabolism, Inborn Errors; Peritoneal Dialysis, Continuous Ambulatory; Renal Circulation; Renal Insufficiency; Urea | 1998 |
Hypoglycemia-associated hyperammonemia caused by impaired expression of ornithine cycle enzyme genes in C/EBPalpha knockout mice.
Topics: Ammonia; Animals; Blood Glucose; CCAAT-Enhancer-Binding Proteins; DNA-Binding Proteins; Genes, Lethal; Gluconeogenesis; Hypoglycemia; In Situ Hybridization; Liver; Mice; Mice, Knockout; Models, Biological; Nuclear Proteins; Ornithine; Urea | 1998 |
Effects of frequency of supplementation on dry matter intake and net portal and hepatic flux of nutrients in mature ewes that consume low-quality forage.
Topics: Amines; Ammonia; Animal Feed; Animals; Blood Glucose; Dietary Supplements; Eating; Female; Glycine max; Lactates; Liver; Nitrogen; Oxygen; Poaceae; Portal System; Sheep; Urea; Viscera | 1998 |
Attachment and metabolic activity of hepatocytes cultivated on selected polymeric membranes.
Topics: Ammonia; Animals; Biocompatible Materials; Cell Adhesion; Cell Count; Cell Survival; Cellulose; Culture Media; Liver; Male; Membranes, Artificial; Polymers; Rats; Rats, Wistar; Sulfones; Surface Properties; Urea | 1998 |
Influence of intravenous L-carnitine administration in sheep preceding an oral urea drench.
Topics: Administration, Oral; Ammonia; Animals; Area Under Curve; Blood Glucose; Carnitine; Fatty Acids, Nonesterified; Female; Infusions, Intravenous; Random Allocation; Sheep; Urea | 1998 |
Mice deficient in the urea-cycle enzyme, carbamoyl phosphate synthetase I, die during the early neonatal period from hyperammonemia.
Topics: Amino Acid Sequence; Ammonia; Animals; Animals, Newborn; Base Sequence; Brain; Carbamoyl-Phosphate Synthase (Ammonia); Disease Models, Animal; Gene Targeting; Genetic Vectors; Genotype; Liver; Mice; Mice, Mutant Strains; Molecular Sequence Data; Urea | 1999 |
Transfers of N metabolites across the ovine liver in response to short-term infusions of an amino acid mixture into the mesenteric vein.
Topics: Amino Acids; Ammonia; Animals; Asparagine; Glutamine; Hepatic Artery; Infusions, Intravenous; Liver; Male; Mesenteric Veins; Nitrogen; Portal Vein; Regional Blood Flow; Sheep; Urea | 1998 |
Net flux of glucose, lactate, volatile fatty acids, and nitrogen metabolites across the portal-drained viscera and liver of pregnant ewes.
Topics: Ammonia; Animals; Fatty Acids, Volatile; Female; Glucose; Lactic Acid; Liver; Nitrogen; Portal System; Pregnancy; Pregnancy, Animal; Pregnancy, Multiple; Twins; Urea; Viscera | 1998 |
Urea and water permeability in the ureotelic gulf toadfish (Opsanus beta).
Topics: Ammonia; Animals; Fishes; Gills; Permeability; Skin Physiological Phenomena; Urea; Water-Electrolyte Balance | 1999 |
Effects of twelve months ethanol feeding on rat liver metabolic activity.
Topics: Acetaldehyde; Alanine Transaminase; Ammonia; Animals; Aspartate Aminotransferases; Blood Glucose; Blood Proteins; Ethanol; Insulin; L-Lactate Dehydrogenase; Liver; Male; Perfusion; Rats; Rats, Wistar; Time Factors; Urea | 1999 |
[Uremia after hemorrhages in the upper digestive tract].
Topics: Ammonia; Animals; Blood Proteins; Gastrointestinal Hemorrhage; Humans; Isoleucine; Swine; Urea; Uremia | 1998 |
Neonatal onset ornithine transcarbamylase deficiency: A retrospective analysis.
Topics: Age Distribution; Age of Onset; Amino Acid Metabolism, Inborn Errors; Ammonia; Child Development; Combined Modality Therapy; Humans; Infant, Newborn; Male; Neurobehavioral Manifestations; Ornithine Carbamoyltransferase Deficiency Disease; Retrospective Studies; Risk Factors; Urea | 1999 |
The fate of nitrogen from 15N-labeled nitrate after single intravenous administration of Na15NO3 in sheep.
Topics: Ammonia; Animals; Female; Injections, Intravenous; Nitrates; Nitrogen; Nitrogen Isotopes; Sheep; Urea | 1998 |
The impact of a monensin controlled-release capsule on subclinical ketosis in the transition dairy cow.
Topics: 3-Hydroxybutyric Acid; Ammonia; Animals; Blood Glucose; Body Composition; Body Weight; Cattle; Cattle Diseases; Delayed-Action Preparations; Energy Metabolism; Fatty Acids, Volatile; Female; Fermentation; Food Deprivation; Hydrogen-Ion Concentration; Ketosis; Lactation; Monensin; Nitrogen; Rumen; Urea | 1999 |
Molecular adsorbent recycling system (MARS): clinical results of a new membrane-based blood purification system for bioartificial liver support.
Topics: Adsorption; Adult; Ammonia; Bilirubin; Cholinesterases; Creatinine; Female; Hepatic Encephalopathy; Humans; Liver Failure; Liver, Artificial; Male; Membranes, Artificial; Middle Aged; Protein Binding; Renal Dialysis; Serum Albumin; Survival Rate; Urea | 1999 |
Swimming-exercise increases the capacity of perfused rat liver to produce urea from ammonia and L-glutamine.
Topics: Ammonia; Ammonium Chloride; Animals; Dose-Response Relationship, Drug; Glutamine; Liver; Male; Perfusion; Rats; Rats, Wistar; Swimming; Urea | 1998 |
Metabolic capacity for L-citrulline synthesis from ammonia in rat isolated colonocytes.
Topics: Ammonia; Ammonium Chloride; Animals; Arginase; Arginine; Argininosuccinate Synthase; Cell Survival; Cells, Cultured; Citrulline; Colon; Ketoglutaric Acids; Male; Ornithine Carbamoyltransferase; Oxidation-Reduction; Rats; Rats, Inbred F344; Urea | 1999 |
Arginine dihydrolase pathway in Lactobacillus plantarum from orange.
Topics: Ammonia; Arginine; Beverages; Citrulline; Citrus; Colorimetry; Glucose; Hydrogen-Ion Concentration; Hydrolases; Lactobacillus; Ornithine; Spectrophotometry; Urea | 1999 |
Performance of broiler chicks fed on diets containing urea ammoniated neem (Azadirachta indica) kernel cake.
Topics: Ammonia; Animal Feed; Animals; Arachis; Chickens; Diet; Erythrocyte Count; Food, Fortified; Hemoglobins; India; Leukocyte Count; Seeds; Urea; Weight Gain | 1999 |
Plasmogastric passage of urea and ammonia in children with Helicobacter pylori infection.
Topics: Adolescent; Ammonia; Child; Child, Preschool; Female; Gastric Juice; Gastric Mucosa; Gastritis; Helicobacter Infections; Helicobacter pylori; Humans; Male; Urea | 1999 |
Changes in hepatic nitrogen metabolism in isolated perfused liver during the development of thioacetamide-induced cirrhosis in rats.
Topics: Alanine Transaminase; Ammonia; Animals; Aspartate Aminotransferases; Diet; Female; Glutamate Dehydrogenase; Glutamate-Ammonia Ligase; Glutaminase; Glutamine; Liver; Liver Cirrhosis, Experimental; Nitrogen; Perfusion; Rats; Rats, Sprague-Dawley; Thioacetamide; Time Factors; Urea | 1999 |
Upper gastrointestinal bleeding: an ammoniagenic and catabolic event due to the total absence of isoleucine in the haemoglobin molecule.
Topics: Ammonia; Gastrointestinal Hemorrhage; Hemoglobins; Humans; Isoleucine; Liver Cirrhosis; Models, Biological; Urea | 1999 |
Studies of hepatic glutamine metabolism in the perfused rat liver with (15)N-labeled glutamine.
Topics: Ammonia; Animals; Aspartic Acid; Carbamyl Phosphate; Citrulline; Glucagon; Glutamates; Glutaminase; Glutamine; Insulin; Liver; Male; Nitrogen Isotopes; Oxygen Consumption; Perfusion; Rats; Rats, Sprague-Dawley; Urea | 1999 |
Aberrations of ammonia metabolism in ornithine carbamoyltransferase-deficient spf-ash mice and their prevention by treatment with urea cycle intermediate amino acids and an ornithine aminotransferase inactivator.
Topics: Amino Acid Metabolism, Inborn Errors; Ammonia; Ammonium Chloride; Animals; Arginine; Citrulline; Enzyme Inhibitors; Injections, Intraperitoneal; Liver; Male; Mice; Mice, Transgenic; Ornithine; Ornithine Carbamoyltransferase Deficiency Disease; Perfusion; Urea | 1999 |
Microbial urea-formaldehyde degradation involves a new enzyme, methylenediurease.
Topics: Amidohydrolases; Ammonia; Formaldehyde; Gram-Negative Bacteria; Urea | 1998 |
Microbial populations, ammonification and nitrification in soil treated with urea and inorganic salts.
Topics: Ammonia; Bacteria; Calcium Chloride; Colony Count, Microbial; Ecosystem; Fertilizers; Fungi; Hydrogen-Ion Concentration; Nitrates; Soil; Soil Microbiology; Sulfates; Urea | 1999 |
Effect of a new amino acid solution on nutritional status and nitrogen metabolism in rats with chronic renal failure undergoing hyperalimentation.
Topics: Amino Acids; Ammonia; Animals; Kidney Failure, Chronic; Male; Nephrectomy; Nitrogen; Nutritional Status; Parenteral Nutrition, Total; Rats; Rats, Sprague-Dawley; Solutions; Transferrin; Urea | 1999 |
Food intake, energy balance and serum leptin concentrations in rats fed low-protein diets.
Topics: Ammonia; Analysis of Variance; Animals; Body Composition; Dietary Proteins; Dose-Response Relationship, Drug; Eating; Energy Metabolism; Leptin; Male; Rats; Rats, Sprague-Dawley; Urea | 2000 |
Establishment of a highly differentiated immortalized human hepatocyte cell line as a source of hepatic function in the bioartificial liver.
Topics: Ammonia; Animals; Antigens, Polyomavirus Transforming; Cell Differentiation; Cell Line; Cell Line, Transformed; Cell Transplantation; DNA Primers; Fetus; Graft Survival; Hepatectomy; Humans; Liver; Liver, Artificial; Male; Mice; Mice, Nude; Polymerase Chain Reaction; Rats; Rats, Sprague-Dawley; Simian virus 40; Transfection; Transplantation, Heterologous; Urea | 2000 |
Ammonia toxicity from urea in a Brazilian dairy goat flock.
Topics: Ammonia; Animal Feed; Animals; Biotransformation; Brazil; Disease Outbreaks; Female; Goat Diseases; Goats; Survival Rate; Urea | 2000 |
Plasma concentration of urea, ammonia, glutamine around calving, and the relation of hepatic triglyceride, to plasma ammonia removal and blood acid-base balance.
Topics: Acid-Base Equilibrium; Ammonia; Animals; Calcium; Cattle; Cattle Diseases; Choline Deficiency; Eating; Fatty Liver; Female; Glutamine; Labor, Obstetric; Lactation; Liver; Pregnancy; Regression Analysis; Triglycerides; Urea; Weight Gain | 2000 |
Effect of removal of caecal contents on nitrogen utilisation and nitrogen excretion in caecally ligated chickens fed on a low protein diet supplemented with urea.
Topics: Ammonia; Animal Nutritional Physiological Phenomena; Animals; Cecum; Chickens; Colony Count, Microbial; Diet, Protein-Restricted; Feces; Ligation; Male; Nitrogen; Urea; Uric Acid | 2000 |
Effect of lysine infusion on urea cycle in lysinuric protein intolerance.
Topics: Adult; Amino Acid Metabolism, Inborn Errors; Amino Acid Transport Systems, Basic; Amino Acids; Ammonia; Carrier Proteins; Female; Humans; Lysine; Male; Membrane Proteins; Middle Aged; Mutation; Orotic Acid; Urea | 2000 |
Splanchnic and leg exchange of amino acids and ammonia in acute liver failure.
Topics: Adult; Alanine; Amino Acids; Ammonia; Blood Urea Nitrogen; Citrulline; Female; Femoral Artery; Femoral Vein; Fibrosis; Glutamine; Humans; Leg; Liver Failure, Acute; Male; Middle Aged; Predictive Value of Tests; Proline; Splanchnic Circulation; Urea | 2000 |
In vivo urea cycle flux distinguishes and correlates with phenotypic severity in disorders of the urea cycle.
Topics: Adolescent; Adult; Age of Onset; Ammonia; Child; Child, Preschool; Diet, Protein-Restricted; Female; Glutamine; Humans; Male; Metabolism, Inborn Errors; Middle Aged; Nitrogen Isotopes; Proteins; Urea | 2000 |
Influence of hepatic ammonia removal on ureagenesis, amino acid utilization and energy metabolism in the ovine liver.
Topics: Amino Acids; Ammonia; Animals; Energy Metabolism; Liver; Male; Ornithine; Portal System; Sheep; Urea | 2000 |
Hyperammonia possibly due to corticosteroids.
Topics: Adrenal Cortex Hormones; Ammonia; Carpal Tunnel Syndrome; Coma; Confusion; Fatal Outcome; Female; Humans; Middle Aged; Multiple Sclerosis; Urea | 2000 |
Postprandial metabolism and aversive response in rats fed a threonine-devoid diet.
Topics: Amino Acids; Ammonia; Animals; Anorexia; Eating; Energy Intake; Energy Metabolism; Food Preferences; Food, Formulated; Glucose; Lipid Metabolism; Male; Oxidation-Reduction; Postprandial Period; Proteins; Rats; Rats, Wistar; Threonine; Urea | 2000 |
Helicobacter pylori urease suppresses bactericidal activity of peroxynitrite via carbon dioxide production.
Topics: Ammonia; Anti-Bacterial Agents; Carbon Dioxide; Drug Interactions; Helicobacter pylori; Microbial Sensitivity Tests; Nitrates; Oxidants; Sodium Bicarbonate; Tyrosine; Urea; Urease | 2000 |
Reconstituting the barrier properties of a water-tight epithelial membrane by design of leaflet-specific liposomes.
Topics: Acetamides; Ammonia; Animals; Cell Membrane Permeability; Cell Polarity; Cholesterol; Dogs; Epithelial Cells; Glycerol; Glycerophospholipids; Glycosphingolipids; Kidney; Liposomes; Protons; Urea; Water | 2000 |
Does urea synthesis play a role in bicarbonate disposal?
Topics: Acidosis; Ammonia; Animals; Bicarbonates; Rats; Urea | 1998 |
Genotype spectrum of ornithine transcarbamylase deficiency: correlation with the clinical and biochemical phenotype.
Topics: Adolescent; Adult; Age of Onset; Ammonia; Child; Child, Preschool; Female; Humans; Infant; Infant, Newborn; Liver; Male; Middle Aged; Mutation; Ornithine Carbamoyltransferase; Ornithine Carbamoyltransferase Deficiency Disease; Phenotype; Urea | 2000 |
Mice with a deletion in the gene for CCAAT/enhancer-binding protein beta have an attenuated response to cAMP and impaired carbohydrate metabolism.
Topics: 3-Hydroxybutyric Acid; Adenylyl Cyclases; Ammonia; Animals; Carbohydrate Metabolism; CCAAT-Enhancer-Binding Protein-beta; Cyclic AMP; Cyclic AMP-Dependent Protein Kinases; Food Deprivation; Gene Deletion; Glucagon; Glucose; Glucose-6-Phosphatase; Hypoglycemia; Liver; Mice; Mice, Knockout; Nitrogen; Phenotype; Phosphoenolpyruvate Carboxykinase (ATP); Phosphoric Diester Hydrolases; RNA, Messenger; Urea | 2001 |
Development of an improved technique for the perfusion of the isolated caudal lobe of sheep liver.
Topics: Amino Acids; Ammonia; Animals; Gluconeogenesis; Glutamic Acid; Glutamine; Glycogen; Hydrogen-Ion Concentration; L-Lactate Dehydrogenase; Liver; Microscopy, Electron; Nitrogen; Oxygen Consumption; Perfusion; Potassium; Propionates; Sheep; Urea | 2000 |
Nitrogen metabolism and fertility in cattle: I. Adaptive changes in intake and metabolism to diets differing in their rate of energy and nitrogen release in the rumen.
Topics: Adaptation, Physiological; Ammonia; Animal Feed; Animals; Cattle; Diet; Digestion; Energy Intake; Energy Metabolism; Female; Fertility; Insulin; Male; Nitrogen; Rumen; Urea | 2000 |
Gastroprotective effect of histamine and acid secretion on ammonia-induced gastric lesions in rats.
Topics: Ammonia; Animals; Dinoprostone; DNA; Female; Gastric Acid; Gastric Mucosa; Histamine; Histamine H2 Antagonists; Male; Ranitidine; Rats; Rats, Wistar; Stomach Ulcer; Urea; Urease | 2000 |
Functional ureogenesis in the gobiid fish Mugilogobius abei.
Topics: Amino Acid Sequence; Ammonia; Animals; Anti-Bacterial Agents; Carbon-Nitrogen Ligases; Citrulline; Female; Gills; Glutamate-Ammonia Ligase; Glutamine; Kinetics; Liver; Male; Molecular Sequence Data; Muscles; Nitrogen; Ornithine; Perciformes; RNA, Messenger; Seawater; Sequence Alignment; Skin; Urea; Uric Acid | 2000 |
Mechanism of metabolic control. Target of rapamycin signaling links nitrogen quality to the activity of the Rtg1 and Rtg3 transcription factors.
Topics: Amino Acids; Ammonia; Basic Helix-Loop-Helix Leucine Zipper Transcription Factors; Cell Cycle Proteins; Chromosome Mapping; Citric Acid Cycle; Dimerization; DNA-Binding Proteins; Fungal Proteins; Gene Expression Regulation, Fungal; Genotype; Glutamine; Helix-Loop-Helix Motifs; Nitrogen; Open Reading Frames; Phosphatidylinositol 3-Kinases; Phosphotransferases (Alcohol Group Acceptor); Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Sirolimus; Transcription Factors; Urea | 2000 |
The time-course change of nitrogenous excretion in the Kuruma shrimp Penaeus japonicus following nitrite exposure.
Topics: Ammonia; Animals; Hemolymph; Nitrites; Penaeidae; Urea | 2001 |
Development of bioartificial liver system using a fluidized-bed bioreactor.
Topics: Ammonia; Ammonium Chloride; Animals; Bioreactors; Cell Separation; Cells, Cultured; Hepatocytes; Intracranial Hypertension; Intracranial Pressure; Kinetics; Liver Circulation; Liver, Artificial; Male; Swine; Time Factors; Urea | 2000 |
Role of ureogenesis in the mud-dwelled Singhi catfish (Heteropneustes fossilis) under condition of water shortage.
Topics: Ammonia; Animals; Catfishes; Climate; Enzymes; Respiration; Seasons; Tissue Distribution; Urea; Water Deprivation | 2001 |
Effects of ammonia nitrogen of H2 and CH4 production during anaerobic digestion of dairy cattle manure.
Topics: Ammonia; Animals; Calibration; Cattle; Dose-Response Relationship, Drug; Fermentation; Hydrogen; Hydrogen-Ion Concentration; Manure; Methane; Nitrogen; Time Factors; Urea | 2001 |
Effect of ruminal protein degradability on growth and N metabolism in growing beef steers.
Topics: Ammonia; Animal Feed; Animals; Cattle; Dietary Proteins; Drug Combinations; Estradiol; Fatty Acids, Volatile; Gastrointestinal Contents; Least-Squares Analysis; Linear Models; Male; Nitrogen; Progesterone; Random Allocation; Rumen; Silage; Urea; Weight Gain | 2001 |
Expression and induction of a large set of drug-metabolizing enzymes by the highly differentiated human hepatoma cell line BC2.
Topics: Albumins; Ammonia; Biotransformation; Cell Count; Cell Differentiation; Cell Division; Cell Size; Cytochrome P-450 Enzyme System; DNA, Neoplasm; Enzyme Induction; Gene Expression Regulation, Neoplastic; Glutathione; Glycogen; Humans; Liver Neoplasms; Organ Specificity; RNA, Messenger; Transcription Factors; Tumor Cells, Cultured; Urea | 2001 |
Morphology and metabolism of hepatocytes cultured in Petri dishes on films and in non-woven fabrics of hyaluronic acid esters.
Topics: Ammonia; Animals; Biocompatible Materials; Cell Adhesion; Cell Culture Techniques; Cells, Cultured; Hepatocytes; Hyaluronic Acid; Materials Testing; Microscopy, Electron, Scanning; Polymers; Rats; Surface Properties; Urea | 2001 |
Intracellular vesicular trafficking in the gill epithelium of urea-excreting fish.
Topics: Ammonia; Animals; Epithelial Cells; Fishes; Gills; Lysosomes; Microscopy, Electron; Transport Vesicles; Urea | 2001 |
Decomposition of alkyl-substituted urea molecules at a hydroxide-bridged dinickel center.
Topics: Alkanes; Ammonia; Binding Sites; Catalysis; Hydrolysis; Molecular Structure; Nickel; Organometallic Compounds; Structure-Activity Relationship; Substrate Specificity; Urea; Urease; X-Rays | 2001 |
Effects of high-volume plasmapheresis on ammonia, urea, and amino acids in patients with acute liver failure.
Topics: Adult; Amino Acids; Ammonia; Female; Humans; Liver Failure, Acute; Male; Plasmapheresis; Urea | 2001 |
Supplemental dietary protein for grazing dairy cows: reproduction, condition loss, plasma metabolites, and insulin.
Topics: Ammonia; Animal Feed; Animals; Avena; Blood Urea Nitrogen; Cattle; Dietary Proteins; Estrus; Female; Insulin; Lactation; Pregnancy; Pregnancy Rate; Reproduction; Rumen; Secale; Time Factors; Urea | 2001 |
Reduction in the rates of protein and amino acid catabolism to slow down the accumulation of endogenous ammonia: a strategy potentially adopted by mudskippers (Periophthalmodon schlosseri snd Boleophthalmus boddaerti) during aerial exposure in constant da
Topics: Air; Alanine; Amino Acids; Ammonia; Ammonium Chloride; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Carbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing); Darkness; Glutamine; Inactivation, Metabolic; Kinetics; Liver; Mitochondria, Liver; Motor Activity; Muscles; Perciformes; Proteins; Urea | 2001 |
Autotrophic ammonia oxidation at low pH through urea hydrolysis.
Topics: Ammonia; Betaproteobacteria; Culture Media; Hydrogen-Ion Concentration; Hydrolysis; Oxidation-Reduction; Urea | 2001 |
Ammonia detoxification and localization of urea cycle enzyme activity in embryos of the rainbow trout (Oncorhynchus mykiss) in relation to early tolerance to high environmental ammonia levels.
Topics: Ammonia; Animals; Carbon-Nitrogen Ligases; Inactivation, Metabolic; Liver; Oncorhynchus mykiss; Tissue Distribution; Urea; Yolk Sac | 2001 |
Performance, digesta characteristics, nutrient flux, plasma composition, and organ weight in pigs as affected by dietary cation anion difference and nonstarch polysaccharide.
Topics: Ammonia; Animals; Anions; Cations; Diet; Dietary Carbohydrates; Digestion; Energy Intake; Female; Hydrogen-Ion Concentration; Meat; Minerals; Organ Size; Polysaccharides; Swine; Urea | 2001 |
Fermentable carbohydrate and digestive nitrogen excretion.
Topics: Ammonia; Animals; Cecum; Dietary Carbohydrates; Dietary Proteins; Disease Models, Animal; Disease Progression; Feces; Fermentation; Male; Nitrogen; Oligosaccharides; Rats; Rats, Wistar; Renal Insufficiency; Urea; Weight Gain | 2001 |
Effect of protein source and soluble carbohydrate addition on rumen fermentation and lactation performance of Holstein cows.
Topics: Ammonia; Animals; Cattle; Dietary Carbohydrates; Dietary Proteins; Female; Fermentation; Glycine max; Lactation; Lactose; Milk; Rumen; Secale; Sucrose; Urea; Zea mays | 2001 |
The sleeper Bostrichthys sinensis (family Eleotridae) stores glutamine and reduces ammonia production during aerial exposure.
Topics: Adaptation, Physiological; Air; Amino Acids; Ammonia; Animals; Energy Metabolism; Fishes; Glutamate-Ammonia Ligase; Glutamine; Liver; Muscle, Skeletal; Urea | 2001 |
Functional metabolic characteristics of intact pig livers during prolonged extracorporeal perfusion: potential for a unique biological liver-assist device.
Topics: Ammonia; Animals; Arteries; Bilirubin; Blood; Blood Coagulation Factors; Extracorporeal Circulation; Ketone Bodies; Liver; Liver Function Tests; Perfusion; Protein Biosynthesis; Swine; Time Factors; Urea | 2001 |
A bioreactor system for the nitrogen loop in a Controlled Ecological Life Support System.
Topics: Ammonia; Biodegradation, Environmental; Biotechnology; Ecological Systems, Closed; Equipment Design; Humans; Life Support Systems; Models, Theoretical; Nitrates; Nitrobacter; Nitrogen; Nitrosomonas; Urea; Urease; Urine; Waste Management | 1996 |
"Reagentless" flow injection determination of ammonia and urea using membrane separation and solid phase basification.
Topics: Ammonia; Ammonium Chloride; Flow Injection Analysis; Hydrogen-Ion Concentration; Hydrolysis; Magnesium Oxide; Membranes, Artificial; Sewage; Spectrophotometry; Temperature; Urea; Urease | 1998 |
Artificial carbon dioxide source to attract lesser cornstalk borer (Lepidoptera: Pyralidae) larvae.
Topics: Aldicarb; Ammonia; Animals; Carbon Dioxide; Chlorpyrifos; Insect Control; Insecticides; Larva; Moths; Pheromones; Urea; Urease | 2001 |
Liver nitrogen movements during short-term infusion of high levels of ammonia into the mesenteric vein of sheep.
Topics: Amino Acids; Amino Acids, Branched-Chain; Ammonia; Analysis of Variance; Animals; Biological Transport; Cross-Over Studies; Glutamic Acid; Infusions, Intravenous; Liver; Male; Mesenteric Veins; Nitrogen; Ornithine; Sheep; Time Factors; Urea | 2001 |
Aerobic treatment of a concentrated urea wastewater with simultaneous stripping of ammonia.
Topics: Aerobiosis; Ammonia; Bacteria; Biodegradation, Environmental; Bioreactors; Culture Media; Industrial Waste; Urea; Waste Disposal, Fluid | 2001 |
[Influence of alimentary zinc deficiency on nitrogen elimination and enzyme activities of the urea cycle].
Topics: Alkaline Phosphatase; Ammonia; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Glutamate Dehydrogenase; Liver; Male; Mitochondria; Nitrogen; Ornithine Carbamoyltransferase; Rats; Rats, Sprague-Dawley; Urea; Zinc | 2001 |
[Nitrogen detoxification in artificially-fed zinc-deficient rats].
Topics: Alkaline Phosphatase; Ammonia; Animals; Arginase; Argininosuccinate Lyase; Argininosuccinate Synthase; Carbamoyl-Phosphate Synthase (Ammonia); Disease Models, Animal; Enteral Nutrition; Glutamate Dehydrogenase; Intubation, Gastrointestinal; Liver; Male; Ornithine Carbamoyltransferase; Rats; Rats, Sprague-Dawley; Urea; Zinc; Zinc Sulfate | 2001 |
Long-term expression of highly differentiated functions by isolated porcine hepatocytes perfused in a radial-flow bioreactor.
Topics: Albumins; Ammonia; Animals; Bioreactors; Cells, Cultured; Hepatocytes; Hydrogen-Ion Concentration; Lidocaine; Oxygen; Swine; Urea | 2001 |
Positron emission tomography of hepatic first-pass metabolism of ammonia in pig.
Topics: Ammonia; Animals; Glutamine; Liver; Swine; Tomography, Emission-Computed; Urea | 2001 |
The Helicobacter pylori UreI protein: role in adaptation to acidity and identification of residues essential for its activity and for acid activation.
Topics: Acetamides; Adaptation, Physiological; Amino Acid Sequence; Ammonia; Animals; Bacterial Proteins; Genes, Bacterial; Helicobacter pylori; Humans; Hydrogen-Ion Concentration; Hydrolysis; Membrane Transport Proteins; Molecular Sequence Data; Mutagenesis, Site-Directed; Phenotype; Protein Structure, Secondary; Recombinant Fusion Proteins; Sequence Alignment; Urea; Urease | 2001 |
Somatotropin-induced amino acid conservation in pigs involves differential regulation of liver and gut urea cycle enzyme activity.
Topics: Amino Acids; Ammonia; Animals; Bicarbonates; Blood Urea Nitrogen; Body Weight; Breath Tests; Carbamyl Phosphate; Carbon Isotopes; Female; Glutamates; Growth Hormone; Jejunum; Liver; Nitrogen; Oxidation-Reduction; Phenylalanine; Random Allocation; Substrate Specificity; Swine; Urea | 2002 |
Renal arginine and protein synthesis are increased during early endotoxemia in mice.
Topics: Amino Acids; Ammonia; Animals; Arginine; Citrulline; Endotoxemia; Female; Kidney; Lipopolysaccharides; Mice; Nitrates; Nitric Oxide; Protein Biosynthesis; Urea | 2002 |
Kinetics and fates of ammonia, urea, and uric acid during oocyte maturation and ontogeny of the Atlantic halibut (Hippoglossus hippoglossus L.).
Topics: Ammonia; Animals; Body Constitution; Body Water; Flounder; Kidney; Kinetics; Liver; Muscles; Oocytes; Urea; Uric Acid | 2002 |
Diurnal nitrogen excretion rhythm of the functionally ureogenic gobiid fish Mugilogobius abei.
Topics: Ammonia; Animals; Circadian Rhythm; Darkness; Fishes; Light; Liver; Motor Activity; Muscles; Nitrogen; Permeability; Time Factors; Urea | 2002 |
Nitrogen metabolism and excretion in the mangrove killifish Rivulus marmoratus I. The influence of environmental salinity and external ammonia.
Topics: Amino Acids; Ammonia; Ammonium Chloride; Animals; Circadian Rhythm; Environment; Fundulidae; Nitrogen; Osmolar Concentration; Saline Solution, Hypertonic; Sodium Chloride; Urea | 2002 |
Nitrogen metabolism and excretion in the mangrove killifish Rivulus marmoratus II. Significant ammonia volatilization in a teleost during air-exposure.
Topics: Air; Amino Acids; Ammonia; Animals; Arginase; Carbon-Nitrogen Ligases; Fundulidae; Gills; Glutamic Acid; Glutamine; Nitrogen; Ornithine; Ornithine Carbamoyltransferase; Urea; Volatilization | 2002 |
Significance of blood urea: gastric ammonia gradient for H. pylori detection in childhood.
Topics: Adolescent; Ammonia; Child; Child, Preschool; Female; Gastric Juice; Helicobacter Infections; Helicobacter pylori; Humans; Male; Urea | 2002 |
Net absorption and utilization of nitrogenous compounds across ruminal, intestinal, and hepatic tissues of growing beef steers fed dry-rolled or steam-flaked sorghum grain.
Topics: Absorption; Amino Acids; Ammonia; Animals; Animals, Newborn; Blood Urea Nitrogen; Cattle; Cross-Over Studies; Diet; Edible Grain; Feces; Food Handling; Intestinal Mucosa; Liver; Male; Nitrogen; Random Allocation; Rumen; Splanchnic Circulation; Urea | 2002 |
Combined effect of oxygen and ammonia on the kinetics of ammonia elimination and oxygen consumption of adherent rat liver cells.
Topics: Ammonia; Animals; Bioreactors; Cells, Cultured; Liver; Liver, Artificial; Oxygen; Oxygen Consumption; Rats; Urea | 2002 |
Accumulation of ammonia in the body and NH(3) volatilization from alkaline regions of the body surface during ammonia loading and exposure to air in the weather loach Misgurnus anguillicaudatus.
Topics: Air; Amino Acids; Ammonia; Animals; Carbon Dioxide; Cypriniformes; Female; Hydrogen-Ion Concentration; Liver; Male; Muscle, Skeletal; Organ Specificity; Oxygen; Partial Pressure; Urea; Weather | 2002 |
Joint action of elevated ambient nitrite and nitrate on hemolymph nitrogenous compounds and nitrogen excretion of tiger shrimp Penaeus monodon.
Topics: Ammonia; Animals; Aquaculture; Environmental Exposure; Hemocyanins; Hemolymph; Nitrates; Nitrites; Nitrogen; Penaeidae; Proteins; Urea; Uric Acid | 2002 |
The effect of pasture nitrate concentration and concentrate intake after turnout on embryo growth and viability in the lactating dairy cow.
Topics: Ammonia; Animal Feed; Animals; Body Composition; Body Weight; Cattle; Embryonic and Fetal Development; Female; Fertilizers; Fetal Death; Gestational Age; Lactation; Maternal-Fetal Exchange; Milk; Nitrates; Poaceae; Pregnancy; Progesterone; Urea | 2002 |
The effect of pH and nucleophiles on complement activation by human proximal tubular epithelial cells.
Topics: Ammonia; Blood; Cells, Cultured; Complement Activation; Complement C3; Complement C9; Complement System Proteins; Electrophysiology; Epithelial Cells; Humans; Hydrogen; Hydrogen-Ion Concentration; Kidney Tubules, Proximal; Urea; Urine | 2002 |
In vitro study of urease/AlaDH enzyme system encapsulated into human erythrocytes and research into its medical applications.
Topics: Alanine Dehydrogenase; Amino Acid Oxidoreductases; Ammonia; Capsules; Erythrocytes; Humans; In Vitro Techniques; Pyruvic Acid; Urea; Urease | 2002 |
Form of rumen-degradable carbohydrate and nitrogen on microbial protein synthesis and protein efficiency of dairy cows.
Topics: Ammonia; Animal Feed; Animals; Bacterial Proteins; Cattle; Dietary Carbohydrates; Dietary Proteins; Energy Intake; Female; Fermentation; Lactation; Milk; Nitrogen; Random Allocation; Rumen; Urea | 2002 |
Dietary arginine degradation is a major pathway in ureagenesis in juvenile turbot (Psetta maxima).
Topics: Ammonia; Animals; Arginine; Body Composition; Diet; Flatfishes; Glutamate Dehydrogenase; Ornithine Carbamoyltransferase; Postprandial Period; Urea | 2002 |
Effect of alkalinity (pH 10) on ureogenesis in the air-breathing walking catfish, Clarias batrachus.
Topics: Acid-Base Equilibrium; Ammonia; Animals; Catfishes; Enzymes; Hydrogen-Ion Concentration; Lactic Acid; Organ Specificity; Survival Rate; Time Factors; Urea | 2002 |
Effect of elevated systemic concentrations of ammonia and urea on the metabolite and ionic composition of oviductal fluid in cattle.
Topics: Ammonia; Ammonium Chloride; Animals; Blood Glucose; Body Fluids; Calcium; Cattle; Fallopian Tubes; Female; Glucose; Infusions, Intravenous; Insulin; Jugular Veins; Lactic Acid; Magnesium; Potassium; Progesterone; Sodium; Urea | 2002 |
[The influence of urea, ammonia and nitrate as they affect growth and viability of Trichophyton verrucosum].
Topics: Ammonia; Animals; Cattle; Hydrogen-Ion Concentration; Nitrates; Trichophyton; Urea | 2002 |
Ammonotely in a passerine nectarivore: the influence of renal and post-renal modification on nitrogenous waste product excretion.
Topics: Ammonia; Animals; Diet; Female; Kidney; Male; Nitrogen; Osmosis; Potassium; Sodium; Sodium Chloride; Songbirds; Species Specificity; Urea; Ureter; Uric Acid | 2002 |
Hepatic glutaminase--a special role in urea synthesis?
Topics: Ammonia; Animals; Carbon-Nitrogen Ligases; Enzyme Induction; Gas Chromatography-Mass Spectrometry; Glucagon; Glutaminase; In Vitro Techniques; Liver; Mitochondria, Liver; Nitrogen Isotopes; Perfusion; Rats; Urea | 2002 |
Auto-ignition hazard of mixtures of ammonia, hydrogen, methane and air in a urea plant.
Topics: Ammonia; Chemical Industry; Explosions; Forecasting; Hydrogen; Methane; Models, Chemical; Pressure; Risk Assessment; Safety; Urea | 2002 |
Effect of N fertilisation rate, energy supplementation and supplementation strategy on efficiency of N utilisation in the sheep rumen.
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Cross-Over Studies; Dietary Proteins; Fatty Acids, Volatile; Feces; Fermentation; Fertilizers; Hydrogen-Ion Concentration; Male; Methane; Nitrogen; Poaceae; Rumen; Sheep; Urea; Zea mays | 2001 |
[Clinical application of molecular adsorbent recirculating system-artificial liver support system].
Topics: Ammonia; Humans; Liver Failure; Liver, Artificial; Urea | 2002 |
A method to assess biochemical activity of liver cells during clinical application of extracorporeal hybrid liver support.
Topics: Ammonia; Animals; Biochemistry; Bioreactors; Blood Flow Velocity; Extracorporeal Circulation; Glucose; Hepatocytes; Humans; Hybrid Cells; Liver Failure, Acute; Liver Transplantation; Swine; Urea | 2002 |
SiO(2) entrapment of animal cells: liver-specific metabolic activities in silicaoOverlaid hepatocytes.
Topics: Ammonia; Animals; Bilirubin; Diazepam; Hepatocytes; Liver, Artificial; Male; Microscopy, Electron, Scanning; Rats; Rats, Inbred F344; Silicon Dioxide; Statistics, Nonparametric; Urea | 2002 |
Neonatal transport: a 3-day-old neonate with hypothermia, respiratory distress, lethargy and poor feeding.
Topics: Ammonia; Blood Gas Analysis; Combined Modality Therapy; Critical Care; Diagnosis, Differential; Hemorrhage; Humans; Hypothermia; Infant Nutritional Physiological Phenomena; Infant, Newborn; Intensive Care Units, Neonatal; Lung Diseases; Male; Prognosis; Respiratory Distress Syndrome, Newborn; Severity of Illness Index; Sleep Stages; Transportation of Patients; Urea | 2002 |
Mechanisms of ion transport in Potamotrygon, a stenohaline freshwater elasmobranch native to the ion-poor blackwaters of the Rio Negro.
Topics: Ammonia; Animals; Biological Transport; Brazil; Chlorides; Elasmobranchii; Fresh Water; Glucose; Homeostasis; Kinetics; Nitrogen; Sodium; Urea | 2002 |
Effects of abomasal vegetable oil infusion on splanchnic nutrient metabolism in lactating dairy cows.
Topics: Abomasum; Ammonia; Animals; Blood Gas Analysis; Cattle; Fatty Acids; Fatty Acids, Volatile; Female; Hematocrit; Infusions, Parenteral; Lactation; Liver; Milk; Plant Oils; Portal System; Regional Blood Flow; Urea; Viscera | 2002 |
Relationship between content of crude protein in rations for dairy cows and milk yield, concentration of urea in milk and ammonia emissions.
Topics: Ammonia; Animal Feed; Animal Husbandry; Animals; Cattle; Dairying; Dietary Proteins; Female; Fermentation; Lactation; Manure; Milk; Milk Proteins; Rumen; Sweden; Urea | 2002 |
Exhaled NH3 and excreted Nh4+ in children in unpolluted or urban environments.
Topics: Air Pollutants; Ammonia; Asthma; Breath Tests; Case-Control Studies; Child; Environmental Monitoring; Female; France; Humans; Luminescent Measurements; Male; Nitric Oxide; Osmolar Concentration; Potassium; Quaternary Ammonium Compounds; Rural Health; Sodium; Spirometry; Urban Health; Urea | 2002 |
Effects of day relative to parturition and dietary crude protein on rumen fermentation in prepartum transition cows.
Topics: 3-Hydroxybutyric Acid; Ammonia; Animals; Blood Glucose; Cattle; Dietary Fiber; Dietary Proteins; Fatty Acids, Nonesterified; Female; Fermentation; Gestational Age; Labor, Obstetric; Parity; Pregnancy; Rumen; Urea | 2002 |
Effect of timing of urea feeding on the yield and quality of embryos in lactating dairy cows.
Topics: Amino Acids; Ammonia; Animals; Cattle; Embryonic and Fetal Development; Female; Fertility; Glucose; Insemination, Artificial; Insulin; Lactation; Lactic Acid; Milk; Ovulation Induction; Progesterone; Random Allocation; Urea | 2002 |
Role of amino acid metabolism in an air-breathing catfish, Clarias batrachus in response to exposure to a high concentration of exogenous ammonia.
Topics: Alanine Transaminase; Amino Acids; Ammonia; Animals; Aspartate Aminotransferases; Catfishes; Glutamate Dehydrogenase; Glutamate-Ammonia Ligase; Respiration; Urea | 2002 |
Role of glutamine and arginase in protection against ammonia-induced cell death in gastric epithelial cells.
Topics: Ammonia; Ammonium Chloride; Animals; Arginase; Cell Death; Cell Line; Epithelial Cells; Glutamic Acid; Glutamine; Helicobacter Infections; Helicobacter pylori; Kinetics; Methylamines; Rats; Stomach; Urea; Vacuoles | 2002 |
Breath ammonia measurement in Helicobacter pylori infection.
Topics: Adult; Ammonia; Breath Tests; Female; Helicobacter Infections; Helicobacter pylori; Humans; Male; Middle Aged; Urea | 2002 |
Treatment of acute liver failure in pigs reduces hepatocyte function in a bioartificial liver support system.
Topics: 7-Alkoxycoumarin O-Dealkylase; Ammonia; Animals; Butyrylcholinesterase; Cells, Cultured; Female; Hepatocytes; In Vitro Techniques; L-Lactate Dehydrogenase; Liver Failure, Acute; Liver, Artificial; Swine; Urea | 2002 |
Prediction of ammonia emission from dairy barns using feed characteristics part 1: Relation between feed characteristics and urinary urea concentration.
Topics: Ammonia; Animals; Cattle; Diet; Environmental Pollutants; Female; Housing, Animal; Nitrogen; Regression Analysis; Urea; Urine | 2002 |
Prediction of ammonia emission from dairy barns using feed characteristics part II: Relation between urinary urea concentration and ammonia emission.
Topics: Ammonia; Animals; Cattle; Diet; Environmental Pollutants; Female; Housing, Animal; Regression Analysis; Temperature; Urea | 2002 |
The snakehead Channa asiatica accumulates alanine during aerial exposure, but is incapable of sustaining locomotory activities on land through partial amino acid catabolism.
Topics: Aerobiosis; Air; Alanine; Amino Acids; Ammonia; Animals; Circadian Rhythm; Female; Male; Models, Biological; Motor Activity; Muscle Proteins; Perciformes; Urea | 2003 |
Community analysis of nitrifying bacteria in an advanced and compact Gappei-Johkasou by FISH and PCR-DGGE.
Topics: Ammonia; DNA, Bacterial; Electrophoresis, Gel, Two-Dimensional; Eubacterium; In Situ Hybridization, Fluorescence; Nitrites; Oxidation-Reduction; Polymerase Chain Reaction; Population Dynamics; Temperature; Urea; Waste Disposal, Fluid; Water Microbiology | 2002 |
[Fulminant coma: think hyperammonemia and urea cycle disorders].
Topics: Adolescent; Ammonia; Coma; Family; Fatal Outcome; Humans; Hyperammonemia; Male; Ornithine Carbamoyltransferase Deficiency Disease; Urea | 2002 |
Different biochemical strategies of two neotropical fish to cope with the impairment of nitrogen excretion during air exposure.
Topics: Air; Ammonia; Animals; Arginase; Biomarkers; Fishes; Glutamate-Ammonia Ligase; Nitrogen; Ornithine Carbamoyltransferase; Species Specificity; Urea; Uric Acid | 2003 |
Determining the strengths of hydrogen bonds in solid-state ammonia and urea: insight from periodic DFT calculations.
Topics: Ammonia; Crystallography, X-Ray; Dimerization; Hydrogen Bonding; Mathematical Computing; Models, Molecular; Quantum Theory; Thermodynamics; Urea | 2003 |
Effect of arginine, ornithine and citrulline supplementation upon performance and metabolism of trained rats.
Topics: Ammonia; Animals; Arginine; Citrulline; Dietary Supplements; Glutamate-Ammonia Ligase; Glutamine; Glycogen; Liver; Male; Muscle, Skeletal; Ornithine; Rats; Rats, Wistar; Swimming; Urea | 2003 |
Mechanism of a chemical classic: quantum chemical investigation of the autocatalyzed reaction of the serendipitous wöhler synthesis of urea.
Topics: Ammonia; Catalysis; Cyanates; Models, Molecular; Quantum Theory; Thermodynamics; Urea | 2003 |
Experience with a porcine hepatocyte-based bioartificial liver support system.
Topics: Ammonia; Animals; Cell Survival; Glycolysis; Hepatocytes; Liver, Artificial; Models, Animal; Serum Albumin; Swine; Urea | 2003 |
Hyperammonemia in carnitine-deficient adult JVS mice used by starvation.
Topics: Aging; Amino Acids; Ammonia; Animals; Animals, Newborn; Carbamoyl-Phosphate Synthase (Ammonia); Carnitine; Glutamates; Hyperammonemia; Liver; Mice; Mice, Mutant Strains; Starvation; Time Factors; Urea | 2002 |
Bench-scale biofilter for removing ammonia from poultry house exhaust.
Topics: Air Pollutants; Air Pollution; Ammonia; Animals; Calcium Compounds; Carbon Dioxide; Chickens; Filtration; Housing, Animal; Manure; Oxides; Soil; Temperature; Urea; Wood | 2003 |
The urea cycle in the liver of arthritic rats.
Topics: Ammonia; Animals; Arthritis, Experimental; Aspartic Acid; Citrulline; Dose-Response Relationship, Drug; Glucose; Glutamic Acid; Kidney; Lactic Acid; Liver; Male; Models, Biological; Oxygen; Perfusion; Pyruvic Acid; Rats; Rats, Wistar; Time Factors; Urea | 2003 |
Utilization of carbonate and ammonia-based treatments to eliminate Escherichia coli O157:H7 and Salmonella Typhimurium DT104 from cattle manure.
Topics: Ammonia; Animals; Anti-Bacterial Agents; Carbonates; Cattle; Dose-Response Relationship, Drug; Escherichia coli O157; Food Microbiology; Hydrogen-Ion Concentration; Manure; Microbial Sensitivity Tests; Salmonella typhimurium; Urea | 2003 |
Nitrogen metabolism and recycling in Holstein heifers.
Topics: Ammonia; Animals; Blood Urea Nitrogen; Carrier Proteins; Cattle; Dietary Fiber; Dose-Response Relationship, Drug; Feces; Female; Kinetics; Membrane Glycoproteins; Membrane Transport Proteins; Nitrogen; Random Allocation; Rumen; Urea; Urea Transporters | 2003 |
The influence of a fermentation-resistant glucose diet on the glucose concentration and other metabolites in portal and jugular blood in cows.
Topics: Ammonia; Animal Feed; Animals; Bile Acids and Salts; Blood Glucose; Catheterization; Catheters, Indwelling; Cattle; Fatty Acids, Volatile; Female; Fermentation; Glucose; Jugular Veins; Portal Vein; Triglycerides; Ultrasonography, Interventional; Urea | 2003 |
Optimizing the level of wet corn gluten feed in the diet of lactating dairy cows.
Topics: Ammonia; Animal Nutritional Physiological Phenomena; Animals; Blood Glucose; Blood Proteins; Caseins; Cattle; Diet; Eating; Fatty Acids, Volatile; Female; Glutens; Insulin; Lactation; Lipids; Milk; Milk Proteins; Rumen; Urea; Weight Gain; Zea mays | 2003 |
Assessment of cell concentration and viability of isolated hepatocytes using flow cytometry.
Topics: Adenosine Triphosphate; Albumins; Ammonia; Animals; Cell Count; Cell Survival; Cytochrome P-450 Enzyme System; Flow Cytometry; Hepatocytes; L-Lactate Dehydrogenase; Lactic Acid; Male; Propidium; Rats; Rats, Wistar; Reproducibility of Results; Sensitivity and Specificity; Staining and Labeling; Trypan Blue; Urea | 2003 |
Metabolic flux analysis of hepatocyte function in hormone- and amino acid-supplemented plasma.
Topics: Albumins; Amino Acids; Ammonia; Animals; Cell Culture Techniques; Cells, Cultured; Computer Simulation; Energy Metabolism; Female; Hepatocytes; Hormones; Humans; Hydrocortisone; Insulin; Lipid Metabolism; Models, Biological; Plasma; Rats; Rats, Inbred Lew; Triglycerides; Urea | 2003 |
Energy demands during a judo match and recovery.
Topics: Adolescent; Adult; Ammonia; Creatinine; Diet; Energy Metabolism; Heart Rate; Humans; Hypoxanthine; Lactates; Lipids; Male; Martial Arts; Oxygen Consumption; Urea; Uric Acid; Xanthine | 2003 |
The swamp eel Monopterus albus reduces endogenous ammonia production and detoxifies ammonia to glutamine during 144 h of aerial exposure.
Topics: Air; Amino Acids; Ammonia; Analysis of Variance; Animals; Environment; Glutamate-Ammonia Ligase; Glutamine; Smegmamorpha; Urea | 2003 |
Urea-triazone N characteristics and uses.
Topics: Agriculture; Ammonia; Biodegradation, Environmental; Molecular Structure; Nitrogen; Soil; Solanum lycopersicum; Solubility; Urea; Volatilization; Water | 2001 |
An assessment of ammonia emissions from dairy facilities in Pennsylvania.
Topics: Air Pollution; Ammonia; Animal Feed; Animals; Cattle; Dairying; Female; Manure; Nitrogen; Pennsylvania; Phosphorus; Potassium; Urea | 2001 |
Ammonium detoxification performed by porcine hepatocyte spheroids in a bioartificial liver for pediatric use: preliminary report.
Topics: Ammonia; Animals; Child; Diazepam; Equipment Design; Hepatocytes; Humans; Liver Failure, Acute; Liver, Artificial; Spheroids, Cellular; Swine; Urea | 2003 |
Altering soluble and potentially rumen degradable protein for prepubertal Holstein heifers.
Topics: Acetates; Allantoin; Ammonia; Animals; Butyrates; Cattle; Diet; Dietary Proteins; Digestion; Fatty Acids, Volatile; Female; Fermentation; Hemiterpenes; Hydrogen-Ion Concentration; Isobutyrates; Nitrogen; Pentanoic Acids; Propionates; Purines; Rumen; Sexual Maturation; Solubility; Urea; Uric Acid | 2003 |
Oral supplementation corrects plasma lysine concentrations in lysinuric protein intolerance.
Topics: Absorption; Adult; Amino Acid Metabolism, Inborn Errors; Ammonia; Arginine; Citrulline; Female; Humans; Intestinal Absorption; Kidney Tubules; Kinetics; Lysine; Male; Nitrogen; Ornithine; Reference Values; Urea | 2003 |
The osmotic response of the Asian freshwater stingray (Himantura signifer) to increased salinity: a comparison with marine (Taeniura lymma) and Amazonian freshwater (Potamotrygon motoro) stingrays.
Topics: Acclimatization; Amino Acids; Ammonia; Analysis of Variance; Animals; Carbon-Nitrogen Ligases; Fresh Water; Glutamate-Ammonia Ligase; Ornithine; Seawater; Skates, Fish; Urea; Water-Electrolyte Balance | 2003 |
Coencapsulation of hepatocytes and bone marrow stem cells: in vitro conversion of ammonia and in vivo lowering of bilirubin in hyperbilirubemia Gunn rats.
Topics: Ammonia; Animals; Bilirubin; Bone Marrow Cells; Bone Marrow Transplantation; Capsules; Cell Culture Techniques; Hematopoietic Stem Cell Transplantation; Hepatocytes; Hyperbilirubinemia; Liver Transplantation; Male; Rats; Rats, Gunn; Rats, Wistar; Urea | 2003 |
Role of the glutamate dehydrogenase reaction in furnishing aspartate nitrogen for urea synthesis: studies in perfused rat liver with 15N.
Topics: Amino Acids; Ammonia; Animals; Aspartic Acid; Constriction; Freezing; Glutamate Dehydrogenase; Glutamates; Glutamine; Liver; Male; Nitrogen; Nitrogen Isotopes; Perfusion; Rats; Rats, Sprague-Dawley; Urea | 2003 |
Urea synthesis in the African lungfish Protopterus dolloi--hepatic carbamoyl phosphate synthetase III and glutamine synthetase are upregulated by 6 days of aerial exposure.
Topics: Air; Amino Acids; Ammonia; Analysis of Variance; Animals; Arginase; Argininosuccinate Synthase; Carbon-Nitrogen Ligases; Fishes; Glutamate-Ammonia Ligase; Immersion; Liver; Nigeria; Ornithine Carbamoyltransferase; Spectrophotometry; Time Factors; Up-Regulation; Urea | 2003 |
A comparison of the effects of environmental ammonia exposure on the Asian freshwater stingray Himantura signifer and the Amazonian freshwater stingray Potamotrygon motoro.
Topics: Amino Acids; Ammonia; Analysis of Variance; Animals; Arginase; Argininosuccinate Synthase; Carbon-Nitrogen Ligases; Chlorides; Elasmobranchii; Environmental Exposure; Fresh Water; Glutamate-Ammonia Ligase; Glutamine; Hydrogen-Ion Concentration; Ornithine Carbamoyltransferase; Osmolar Concentration; Sodium; Species Specificity; Up-Regulation; Urea | 2003 |
[Low temperature determination of ammonia in urea-rich media].
Topics: Ammonia; Body Fluids; Cold Temperature; Temperature; Urea; Urine | 1952 |
The ammonia and urea excretion of different species of Amphibia during their development and metamorphosis.
Topics: Ammonia; Amphibians; Animals; Anura; Ranidae; Urea; Urodela | 1953 |
Uricolysis in normal man.
Topics: Ammonia; Body Fluids; Humans; Male; Urea; Uric Acid; Urine | 1953 |
Ammonia, urea and uric acid content of toenails in renal insufficiency and gout.
Topics: Ammonia; Gout; Humans; Kidney Diseases; Nails; Renal Insufficiency; Urea; Uric Acid | 1953 |
Urea, amino acid and ammonia in human sweat.
Topics: Amino Acids; Ammonia; Humans; Sweat; Urea | 1953 |
Effect of ammonia on Na+ transport across isolated rumen epithelium of sheep is diet dependent.
Topics: Ammonia; Animal Feed; Animals; Biological Transport, Active; Diet; Hydrogen-Ion Concentration; Intestinal Mucosa; Poaceae; Protons; Rumen; Sheep; Sodium; Urea; Zea mays | 2003 |
Oxidation of ammonia and urea (heterotrophic nitrification) by Streptomyces nitrificans.
Topics: Ammonia; Nitrification; Oxidation-Reduction; Streptomyces; Urea | 1955 |
Blood ammonia and urea levels in rats following administration of ammonium acetate, and the effect of arginine thereon.
Topics: Acetates; Ammonia; Animals; Arginine; Blood; Rats; Urea | 1956 |
Ammonia production in saliva. II.
Topics: Ammonia; Glucose; Saliva; Urea | 1956 |
[Problem of ammonia as an intermediate in urea synthesis].
Topics: Ammonia; Urea | 1956 |
The enzymatic cleavage of canavanine to O-ureidohomoserine and ammonia.
Topics: Amino Acids; Ammonia; Canavanine; Enterococcus faecalis; Homoserine; Humans; Urea | 1957 |
[Studies on the physiopathology of natives of the Belgian Congo. III. Modalities of urea & urinary ammonia excretion in Kwango natives].
Topics: Ammonia; Democratic Republic of the Congo; Humans; Population Groups; Urea | 1957 |
[Conway's microdiffusion method; its application to the determination of ammonia, urea and nonprotein nitrogen].
Topics: Ammonia; Nitrogen; Urea | 1956 |
Direct nesslerization of blood and urine filtrates in the determination of urea (as ammonia).
Topics: Ammonia; Body Fluids; Filtration; Humans; Urea | 1957 |
[Effect of oxytetracycline on acidity, ammonia, and urea in gastric juice in normal and uremic subjects].
Topics: Ammonia; Gastric Juice; Humans; Oxytetracycline; Urea; Uremia; Urologic Diseases | 1957 |
A vulnerable and rate-limiting step in urea synthesis in patients with hyperammoniaemia.
Topics: Amino Acids; Ammonia; Humans; Hyperammonemia; Urea | 1958 |
Treatment of hepatic coma: use of certain Krebs' urea cycle intermediates (L-arginine, DL-ornithine).
Topics: Amino Acids; Ammonia; Arginine; Citric Acid Cycle; Hepatic Encephalopathy; Humans; Ornithine; Urea | 1958 |
The excretion of urea, ammonia and purine end-products by the newborn animal.
Topics: Ammonia; Animals; Animals, Newborn; Biological Transport; Humans; Infant, Newborn; Nitrogen; Purines; Urea | 1958 |
[Blood ammonia content in uremic patients. III. Studies on the residual nitrogen fraction in uremia].
Topics: Ammonia; Humans; Nitrogen; Urea; Uremia; Urologic Diseases | 1958 |
[A new method for the determination of urea and the estimation of amino acid nitrogen (plus ammonia nitrogen) in urine during formol titration].
Topics: Amino Acids; Ammonia; Body Fluids; Formaldehyde; Nitrogen; Urea | 1958 |
Nitrogen partition in excreta of three species of mosquitoes.
Topics: Aedes; Ammonia; Animals; Anopheles; Culex; Culicidae; Nitrogen; Urea | 1959 |
Biochemical changes during experimental carcinogenesis. III. The production of urea from aspartic acid, arginine, or ammonia in the perfused rat liver.
Topics: Ammonia; Animals; Arginine; Aspartic Acid; Carcinogenesis; Carcinogens; Liver; Rats; Urea | 1959 |
Continuous automatic chemical analysis of nitrate in the presence of ammonia and urea.
Topics: Ammonia; Automation; Nitrates; Urea | 1960 |
Nitrogenous composition of human epidermis. I. Free amino acids, total nitrogen, non-protein nitrogen, urea, and ammonia in post-surgical and postmortem epidermis.
Topics: Amino Acids; Ammonia; Epidermis; Humans; Nitrogen; Skin; Urea | 1961 |
Prevention of ammonia toxicity by amino-acids concerned in the biosynthesis of urea.
Topics: Amino Acids; Ammonia; Urea | 1961 |
[Effect of carbon dioxide on blood ammonia, glutamine and urea after the administration of ammonium chloride in animals].
Topics: Ammonia; Ammonium Chloride; Animals; Blood Urea Nitrogen; Carbon Dioxide; Glutamine; Urea | 1960 |
Modified reagents for determination of urea and ammonia.
Topics: Ammonia; Indicators and Reagents; Indophenol; Urea; Urease | 1962 |
[Studies on the passage of urea and ammonia through the rumen wall of goats].
Topics: Ammonia; Animals; Biochemical Phenomena; Gastric Mucosa; Goats; Rumen; Urea | 1961 |
[The utilization of urea and ammonia for the maintenance of nitrogen balance in man].
Topics: Ammonia; Biochemical Phenomena; Nitrogen; Urea | 1961 |
[The effect of ammonium cations and urea on the decarboxylase of glutamic acid in the brain].
Topics: Ammonia; Ammonium Compounds; Brain; Brain Chemistry; Carboxy-Lyases; Cations; Glutamates; Glutamic Acid; Urea | 1961 |
Failure of L-arginine to protect in ammonia intoxication: its role in urea source.
Topics: Ammonia; Arginine; Humans; Protective Agents; Urea | 1962 |
Azotemia and gastric acidity: the effect of intravenous urea on gastric acid and gastric ammonium production in man.
Topics: Ammonia; Ammonium Compounds; Azotemia; Chlorides; Digestion; Gastric Acid; Gastric Juice; Humans; Male; Stomach; Urea | 1963 |
[The determination of the ammonia content in concentrated urea solutions].
Topics: Ammonia; Urea | 1963 |
Gastric urease activity in normal subjects and in subjects with cirrhosis.
Topics: Ammonia; Humans; Liver Cirrhosis; Stomach; Urea; Urease | 1963 |
Hyperammonaemia. A new instance of an inborn enzymatic defect of the biosynthesis of urea.
Topics: Amino Acids; Ammonia; Hyperammonemia; Transferases; Urea | 1962 |
[The use of Berthelot's reaction to ammonia in clinical chemistry. II. The practical use of the reaction for the determination of urea, residual nitrogen, total nitrogen and ammonia].
Topics: Ammonia; Chemistry Techniques, Analytical; Chemistry, Clinical; Nitrogen; Urea | 1962 |
[Blood levels of urea and ammonia salts at short intervals of time after the administration of D,L-alpha-methylaspartic acid].
Topics: Ammonia; Aspartic Acid; Salts; Urea | 1961 |
A study of available substrates for the endogenous respiration of skin "in vitro".
Topics: Ammonia; Glucose; Glycogen; In Vitro Techniques; Metabolism; Skin; Urea | 1962 |
[The response of normal dogs and dogs with an Eck fistula to intravenous infusions of ammonium acetate].
Topics: Acetates; Ammonia; Ammonium Compounds; Animals; Dogs; Humans; Infusions, Intravenous; Infusions, Parenteral; Portacaval Shunt, Surgical; Quaternary Ammonium Compounds; Urea | 1962 |
APPLICATION OF THE BERTHELOT REACTION FOR RAPID DETECTION OF UREA HYDROLYSIS BY PROTEUS STRAINS.
Topics: Ammonia; Humans; Hydrolysis; Metabolism; Proteus; Urea; Urease | 1963 |
URINE-CONCENTRATING MECHANISM IN MAN.
Topics: Ammonia; Ions; Kidney; Physiology; Potassium; Sodium; Urea; Urine | 1963 |
RETENTION OF ALIPHATIC AMINES IN URAEMIA.
Topics: Amines; Ammonia; Blood; Body Fluids; Cerebrospinal Fluid; Chromatography; Dinitrophenols; Geriatrics; Humans; Piperidines; Pyrroles; Urea; Uremia; Urine; Urologic Diseases | 1963 |
EFFECT OF A MONOAMINE OXIDASE INHIBITOR IN EXPERIMENTAL AMMONIA INTOXICATION.
Topics: Ammonia; Animals; Blood Chemical Analysis; Dogs; Monoamine Oxidase Inhibitors; Nialamide; Nitrogen; Pharmacology; Toxicology; Urea | 1963 |
UTILIZATION OF GLYCINE NITROGEN AT VARIOUS LEVELS OF GLYCINE INTAKE.
Topics: Ammonia; Animals; Diet; Dogs; Fabaceae; Glycine; Metabolism; Nitrogen; Research; Urea; Urine | 1963 |
[DATA ON THE PROBLEM OF THE PRESENCE OF MACHT'S PHYTOTOXIC REACTION IN SCHIZOPHRENIC PATIENTS].
Topics: Ammonia; Blood Proteins; Erythrocytes; Humans; Nitrogen; Plants; Schizophrenia; Urea | 1963 |
PARTITION OF URINARY NITROGEN IN MARASMUS.
Topics: Ammonia; Child; Creatine; Creatinine; Humans; Infant; Infant Nutrition Disorders; Nitrogen; Protein-Energy Malnutrition; Urea; Urine | 1963 |
POSSIBLE MECHANISMS FOR DIETARY MOLYBDENUM TOXICITY IN THE RAT.
Topics: Ammonia; Fatty Liver; Kidney; Molybdenum; Nitrogen; Proteins; Rats; Renal Aminoacidurias; Research; Toxicology; Urea | 1963 |
URINARY EXCRETION OF BUFOTENIN-LIKE SUBSTANCE IN PSYCHOTIC PATIENTS.
Topics: 1-Propanol; Acetates; Alcohols; Alkaloids; Ammonia; Bufotenin; Chromatography; Hallucinogens; Humans; Indoles; Intellectual Disability; Isocarboxazid; Mental Disorders; Psychotic Disorders; Schizophrenia; Serotonin; Urea; Urine; Water | 1963 |
[A METHOD FOR SEPARATE DETERMINATION OF UREA AND AMMONIUM SALTS IN THE URINE].
Topics: Ammonia; Ammonium Compounds; Body Fluids; Humans; Nitrogen; Quaternary Ammonium Compounds; Salts; Urea; Urine | 1963 |
[STUDIES ON THE REGULATION OF WATER EQUILIBRIUM IN THE GOAT RUMEN. II. ALTERATION OF THE NET FLUID INFLOW IN THE RUMEN].
Topics: Ammonia; Animals; Blood; Body Fluids; Epinephrine; Goats; Hydrogen-Ion Concentration; Inorganic Chemicals; Microchemistry; Norepinephrine; Physiology; Research; Rumen; Urea; Water; Water-Electrolyte Balance | 1963 |
[STUDY OF AMMONIA METABOLISM AND LIVER CIRCULATION IN THE DOG. II. ROLE OF THE PORTAL VEIN AND HEPATIC ARTERY. EFFECTS OF AMMONIUM SALTS ON HEPATIC BLOOD FLOW. EFFECTS OF LIVER AUTOPERFUSION].
Topics: Acetates; Ammonia; Ammonium Chloride; Ammonium Compounds; Blood Chemical Analysis; Colorimetry; Dogs; Fistula; Fumarates; Hepatic Artery; Hydroxides; Lactates; Liver; Liver Circulation; Metabolism; Pentobarbital; Perfusion; Portal System; Portal Vein; Quaternary Ammonium Compounds; Research; Salts; Sulfates; Urea | 1963 |
[REFLECTIONS ON HUMAN TOLERANCE TO ECK'S FISTULA. APROPOS OF 3 CASES].
Topics: Ammonia; Blood Chemical Analysis; Blood Glucose; Child; Digestion; Drug Tolerance; Fistula; Gastroenterology; Humans; Liver; Liver Cirrhosis; Portacaval Shunt, Surgical; Urea | 1963 |
[PHYSIOLOGICAL SIGNIFICANCE OF AMMONIA CLEARANCE].
Topics: Ammonia; Ammonium Chloride; Blood Chemical Analysis; Glutamates; Gold Colloid; Gold Colloid, Radioactive; Humans; Liver Cirrhosis; Liver Function Tests; Metabolism; Radioactivity; Sulfobromophthalein; Urea | 1963 |
[HEPATIC COMA].
Topics: Ammonia; Arginine; Aspartate Aminotransferases; Blood; Blood Protein Electrophoresis; Clinical Laboratory Techniques; Hepatic Encephalopathy; Hepatitis; Hepatitis A; Humans; Liver Cirrhosis; Liver Function Tests; Pathology; Prednisolone; Triamcinolone; Urea; Water-Electrolyte Balance | 1963 |
EFFECT OF BARBITURIC ACID, CHLORTETRACYCLINE AND CARBOHYDRATES UPON GROWTH AND GASTROINTESTINAL UREASE ACTIVITY OF CHICKS.
Topics: Ammonia; Animals; Animals, Newborn; Barbiturates; Carbohydrates; Chickens; Chlortetracycline; Dietary Carbohydrates; Gastrointestinal Tract; Glucose; Growth; Pharmacology; Poultry; Research; Starch; Sucrose; Sweetening Agents; Urea; Urease | 1964 |
UREA FORMATION AND UREA CYCLE ENZYMES IN THE CESTODE, HYMENOLEPIS DIMINUTA.
Topics: Amino Acids; Ammonia; Animals; Arginase; Bicarbonates; Carbon Isotopes; Cestoda; Citrulline; Hymenolepis diminuta; Magnesium; Manganese; Metabolism; Ornithine; Research; Transferases; Urea | 1963 |
ON THE MECHANISM OF AMMONIA DETOXICATION BY L-ORNITHINE AND L-ASPARTATE.
Topics: Ammonia; Aspartic Acid; Blood Chemical Analysis; Enzyme Inhibitors; Ligases; Liver; Ornithine; Pharmacology; Rats; Research; Seizures; Toxicology; Urea | 1964 |
STUDIES ON UREA-FED CATTLE. 1. CHEMICAL AND MICROBIOLOGICAL PROPERTIES OF RUMEN FLUID.
Topics: Ammonia; Animals; Body Fluids; Cattle; Chemistry Techniques, Analytical; Diet; Dietary Proteins; Gastric Juice; Hydrogen-Ion Concentration; Intestines; Research; Rumen; Urea | 1964 |
NEMATODE BIOCHEMISTRY. III. EXCRETION PRODUCTS.
Topics: Amino Acids; Ammonia; Animals; Biochemistry; Body Fluids; Carbon Isotopes; Creatine; Creatinine; Metabolism; Nematoda; Nitrogen; Proteins; Research; Urea; Uric Acid | 1963 |
EXCRETION OF AMINO ACIDS IN CHILDHOOD. A RELIABLE METHOD FOR THE DETERMINATION OF AMINO ACID NITROGEN IN URINE.
Topics: Adolescent; Amino Acid Metabolism, Inborn Errors; Amino Acids; Ammonia; Body Fluids; Child; Collagen Diseases; Colorimetry; Creatine; Creatinine; Fever; Indicators and Reagents; Kidney; Nitrogen; Physiology; Renal Aminoacidurias; Urea; Urine | 1964 |
THE SYNTHESIS OF UREA IN THE BRAIN.
Topics: Alanine; Amino Acids; Aminobutyrates; Ammonia; Aspartic Acid; Brain; Carbon Isotopes; Citrulline; Ornithine; Proteins; Rats; Research; Tissue Culture Techniques; Urea | 1963 |
THE EFFECT OF ARGININE GLUTAMATE ON ELEVATED BLOOD AMMONIA LEVELS IN CHRONIC LIVER DISEASE.
Topics: Ammonia; Arginine; Blood Chemical Analysis; Chlorides; Dipeptides; Glutamates; Hematologic Tests; Humans; Liver Diseases; Neurotic Disorders; Nitrogen; Pharmacology; Potassium; Sodium; Urea | 1964 |
WATER BALANCE IN TOADS. ROLE OF THE URINARY BLADDER.
Topics: Ammonia; Animals; Anura; Blood; Body Fluids; Bufonidae; Physiology; Research; Urea; Urinary Bladder; Urine; Water-Electrolyte Balance | 1963 |
PROTEIN METABOLISM IN CYSTIC FIBROSIS OF THE PANCREAS.
Topics: Ammonia; Cystic Fibrosis; Feces; Humans; Infant; Nitrogen; Peptides; Proteins; Urea; Urine | 1964 |
[THE PHYSIOPATHOLOGY AND TREATMENT OF HEPATIC COMA].
Topics: Alkalosis; Ammonia; Anti-Bacterial Agents; Antibiotics, Antitubercular; Arginine; Bilirubin; Blood Coagulation Disorders; Blood Glucose; Cortisone; Gastrointestinal Hemorrhage; Hepatic Encephalopathy; Humans; Hypoglycemia; Liver; Metabolism; Tryptophan; Urea; Water-Electrolyte Balance | 1964 |
EXCRETION AND OSMOREGULATION IN THE LEECH, HIRUDINARIA GRANULOSA (SAVIGNY).
Topics: Acclimatization; Adaptation, Physiological; Ammonia; Animals; Chemistry Techniques, Analytical; Desert Climate; Leeches; Leeching; Nitrogen; Proteinuria; Research; Urea; Urine; Water; Water-Electrolyte Balance | 1964 |
BREAKDOWN PRODUCTS OF UREA AND UREMIC SYNDROME.
Topics: Ammonia; Animals; Blood; Blood Gas Analysis; Carbon Dioxide; Chlorides; Cyanates; Dialysis; Dogs; Nephrectomy; Nitrogen; Peritoneal Dialysis; Photometry; Potassium; Renal Dialysis; Research; Sodium; Urea; Uremia | 1964 |
EFFECT OF PROTEIN LEVEL OF DIET IN NITROGEN EXCRETION ON FOWLS.
Topics: Ammonia; Animals; Caseins; Creatine; Creatinine; Diet; Dietary Proteins; Humans; Meat; Nitrogen; Poultry; Proteins; Research; Urea; Uric Acid; Urine | 1964 |
STUDIES OF RAT LIVER AND KIDNEY ENZYMES. I. RESPONSE TO MASSIVE INTRAGASTRIC DOSES OF CHRONICALLY ADMINISTERED NITROGENOUS SUBSTANCES.
Topics: Alanine; Amino Acids; Ammonia; Arginine; Brain Diseases; Enzymes; Glutamates; Glutamine; Injections; Kidney; Liver; Liver Diseases; Nitrogen; Ornithine; Rats; Research; Stomach; Transaminases; Urea | 1964 |
ADAPTATION OF THE BERTHELOT COLOR REACTION FOR THE DETERMINATION OF UREA NITROGEN IN SERUM AND URINE TO AN ULTRAMICRO SYSTEM.
Topics: Ammonia; Blood Chemical Analysis; Body Fluids; Humans; Microchemistry; Nitrogen; Research; Urea; Urine | 1964 |
OXYGEN-SENSITIVE REACTIONS OF PROTEINS AND PEPTIDES. II. THE REACTIVE BASE.
Topics: Amines; Amino Alcohols; Ammonia; Animals; Colorimetry; Cystine; Ethylamines; Ethylenediamines; Feathers; Guanidine; Guanidines; Hydrazines; Keratins; Oxygen; Peptides; Proteins; Research; Urea; Wool | 1964 |
METABOLIC ADAPTATIONS IN HIGHER ANIMALS. IX. EFFECT OF HIGH PROTEIN INTAKE ON AMINO NITROGEN CATABOLISM IN VIVO.
Topics: Acetates; Adaptation, Physiological; Ammonia; Ammonium Compounds; Animals; Arginine; Blood; Caseins; Dietary Proteins; Nitrogen; Proteins; Quaternary Ammonium Compounds; Rats; Research; Spectrophotometry; Threonine; Toxicology; Urea | 1964 |
AMMONOTELISM AND URICOTELISM IN CROCODILES.
Topics: Alligators and Crocodiles; Ammonia; Animals; Biological Evolution; Body Fluids; Chemistry Techniques, Analytical; Lithium; Metabolism; Nitrogen; Reptiles; Research; Urea; Uric Acid; Urine | 1964 |
[CASE OF PERITONEAL DIALYSIS IN A PATIENT WITH CIRRHOSIS IN COMA WITH INFECTED ASCITES].
Topics: Ammonia; Ascites; Blood Chemical Analysis; Coma; Dialysis; Fluid Therapy; Hematocrit; Hepatic Encephalopathy; Humans; Liver Cirrhosis; Peritoneal Dialysis; Potassium; Renal Dialysis; Sodium; Sodium, Dietary; Urea; Water | 1964 |
[ON THE INDUCED FORMATION OF UREASE].
Topics: Ammonia; Amnion; Animals; Blood; Embryo, Mammalian; Embryo, Nonmammalian; Fibroblasts; Research; Tissue Culture Techniques; Tissue Extracts; Umbilical Cord; Urea; Urease | 1964 |
THE KINETICS OF METABOLISM OF GIBBERELLA FUJIKUROI IN STIRRED CULTURE.
Topics: Ammonia; Ascomycota; Culture Media; Fabaceae; Fusarium; Gibberella; Gibberellins; Glucose; Glycine; Hydrogen-Ion Concentration; Kinetics; Magnesium; Metabolism; Nitrogen; Phosphates; Research; Urea | 1964 |
[METABOLISM OF HETEROPLASMA.IV. FORMATION OF UREA AND AMMONIA].
Topics: Ammonia; Animals; Cattle; Metabolism; Plasma Substitutes; Protein Hydrolysates; Proteins; Rats; Research; Urea | 1963 |
THE INFLUENCE OF LEVELS OF PROTEIN AND STARCH IN RATIONS OF SHEEP ON THE UTILIZATION OF PROTEIN.
Topics: Amino Acids; Ammonia; Animals; Dietary Carbohydrates; Dietary Proteins; Keto Acids; Metabolism; Nitrogen; Oxidoreductases; Proteins; Research; Sheep; Sheep, Domestic; Starch; Urea | 1964 |
THE ROLE OF PORTAL SYSTEMIC SHUNTING IN EXPERIMENTAL AMMONIA INTOXICATION.
Topics: Ammonia; Animals; Blood Chemical Analysis; Dogs; Liver Circulation; Liver Function Tests; Metabolism; Portacaval Shunt, Surgical; Portasystemic Shunt, Surgical; Research; Toxicology; Urea | 1964 |
[AN EXPERIMENTAL STUDY ON CIRCULATORY ASPECT IN THE REMOVED LIVER OF ANIMAL].
Topics: Ammonia; Animals; Bile; Blood Chemical Analysis; Dogs; Hepatectomy; Liver; Liver Circulation; Perfusion; Portal System; Research; Urea | 1963 |
DIAPER REGION IRRITATIONS. PERTINENT FACTS AND METHODS OF PREVENTION.
Topics: Ammonia; Ammonium Compounds; Anilides; Anti-Infective Agents, Local; Bacillus subtilis; Candidiasis; Child; Diaper Rash; Escherichia coli; Humans; Infant; Infant Care; Infant, Newborn; Laundering; Methemoglobinemia; Proteus; Quaternary Ammonium Compounds; Sterilization; Streptococcus; Toxicology; Urea | 1964 |
MEASUREMENT OF STEROID-INDUCED HEPATIC FUNCTIONAL DERANGEMENT WITH THE AMMONIA TOLERANCE TEST.
Topics: Ammonia; Cortisone; Dogs; Liver; Liver Diseases; Metabolism; Penicillin G; Pharmacology; Research; Steroids; Toxicology; Urea | 1964 |
[HYPERCORTICISM AND BRONCHIAL CANCER WITH REVEALING HYPOKALEMIC ALKALOSIS].
Topics: Adrenocortical Hyperfunction; Alkalosis; Ammonia; Bartter Syndrome; Blood Chemical Analysis; Blood Glucose; Bronchial Neoplasms; Carcinoma, Bronchogenic; Chlorides; Cushing Syndrome; Hypokalemia; Neoplasms; Pathology; Potassium; Urea; Urine | 1964 |
AMMONIA EXCRETION OF LINGULA.
Topics: Alanine; Amino Acids; Ammonia; Animals; Body Fluids; Fluids and Secretions; Manometry; Mollusca; Research; Urea | 1964 |
EVIDENCE OF INJURY BY HEAT IN MAMMALIAN TISSUES.
Topics: Acid Phosphatase; Ammonia; Animals; Cerebral Cortex; Cholesterol; Hot Temperature; Kidney; Liver; Mammals; Manometry; Metabolism; Rats; Research; Rubidium; Urea | 1964 |
METABOLIC ASPECTS OF UREA UTILIZATION BY RUMINANT ANIMALS.
Topics: Ammonia; Animals; Cattle; Metabolism; Nitrogen; Pharmacology; Proteins; Research; Rumen; Ruminants; Urea | 1964 |
PHARMACOLOGICAL STUDY ON L-ORNITHINE L-ASPARTATE.
Topics: Alanine Transaminase; Ammonia; Ammonium Chloride; Aspartate Aminotransferases; Aspartic Acid; Blood; Carbon Tetrachloride Poisoning; Chemical and Drug Induced Liver Injury; Clinical Enzyme Tests; D-Alanine Transaminase; Dogs; Hepatitis; Mice; Ornithine; Paralysis; Research; Sulfobromophthalein; Toxicology; Urea | 1964 |
AMMONIA EXCRETION IN THE EOTENOUS NEWT, NECTURUS MACULOSUS (RAFINESQUE).
Topics: Ammonia; Animals; Body Fluids; Chemical Phenomena; Chemistry; Fluids and Secretions; Glutamate Dehydrogenase; Glutaminase; Glutamine; Kidney; Liver; Metabolism; Necturus maculosus; Nitrogen; Research; Salamandridae; Skin; Urea; Urine; Urodela | 1964 |
UREA PRODUCTION AND TRANSAMINASE ACTIVITY IN XENPUS LAEVIS DAUDIN.
Topics: Alanine Transaminase; Ammonia; Animals; Anura; Aspartate Aminotransferases; Bufonidae; Chemical Phenomena; Chemistry; D-Alanine Transaminase; Fluids and Secretions; Liver; Metabolism; Muscles; Research; Urea | 1964 |
MECHANISM OF THE PROTECTION BY L-ORNITHINE-L-ASPARTATE MIXTURE AND BY L-ARGININE IN AMMONIA INTOXICATION.
Topics: Ammonia; Arginine; Aspartic Acid; Chemical and Drug Induced Liver Injury; Dipeptides; Hepatitis; Ligases; Metabolism; Ornithine; Pharmacology; Rats; Research; Toxicology; Urea | 1964 |
[CONTRIBUTION TO THE MICRODETERMINATION OF AMMONIA, UREA AND RESIDUAL NITROGEN WITH THE INDOPHENOL BLUE REACTIONS].
Topics: Ammonia; Blood Chemical Analysis; Blood Urea Nitrogen; Body Fluids; Coloring Agents; Humans; Indophenol; Microchemistry; Nitrogen; Urea; Urine | 1964 |
PREVENTION OF PYELONEPHRITIS BY WATER DIURESIS: EVIDENCE FOR THE ROLE OF MEDULLARY HYPERTONICITY IN PROMOTING RENAL INFECTION.
Topics: Ammonia; Biochemical Phenomena; Biochemistry; Candidiasis; Diuresis; Kidney; Potassium; Pyelonephritis; Rats; Research; Sodium; Sodium, Dietary; Staphylococcal Infections; Urea; Urine | 1965 |
PURIFICATION AND PROPERTIES OF RIBONUCLEASE II FROM ESCHERICHIA COLI.
Topics: Ammonia; Carbon Isotopes; Chromatography; DNA; Enzyme Inhibitors; Escherichia coli; Exoribonucleases; Hydrogen-Ion Concentration; Magnesium; Manganese; Potassium; Research; Ribonucleases; Ribosomes; RNA; Spectrophotometry; Urea | 1964 |
ENDOGENOUS NITROGEN CYCLE IN RUMINANTS.
Topics: Ammonia; Animals; Blood; Blood Urea Nitrogen; Nitrogen; Nitrogen Cycle; Proteins; Research; Rumen; Ruminants; Saliva; Sheep; Sheep, Domestic; Urea; Urease | 1965 |
MECHANISM OF HEPATIC COMA.
Topics: Ammonia; Blood; Diagnosis; Glutamine; Hepatic Encephalopathy; Humans; Intestine, Small; Intestines; Ketoglutaric Acids; Kidney; Metabolism; Physiology; Urea | 1964 |
TREATMENT OF AMMONIA INTOXICATION IN RHESUS MONKEYS BY TOTAL COLECTOMY.
Topics: Ammonia; Animals; Bicarbonates; Blood; Blood Chemical Analysis; Blood Gas Analysis; Blood Urea Nitrogen; Colectomy; Haplorhini; Hydrogen-Ion Concentration; Macaca mulatta; Neomycin; Pharmacology; Portacaval Shunt, Surgical; Potassium; Research; Resins, Synthetic; Toxicology; Urea | 1965 |
ALTERATIONS IN THE BIOCHEMICAL COMPOSITION OF BODY FLUIDS INCIDENT TO REGIONAL CHEMOTHERAPY.
Topics: Ammonia; Aspartate Aminotransferases; Blood Proteins; Body Fluids; Chemotherapy, Cancer, Regional Perfusion; Humans; L-Lactate Dehydrogenase; Metabolism; Nitrogen; Phosphates; Potassium; Urea; Uric Acid | 1965 |
UREA CYCLE ENZYMES AFTER PORTACAVAL SHUNTING.
Topics: Ammonia; Animals; Blood; Dogs; Glucose; Liver; Metabolism; Pharmacology; Portacaval Shunt, Surgical; Protamines; Research; Urea | 1965 |
TOTAL N, UREA AND AMMONIA EXCRETIONS OF HUMAN MALE SUBJECTS FED SEVERAL NONESSENTIAL AMINO ACIDS SINGLY AS THE CHIEF SOURCE OF NONSPECIFIC N.
Topics: Amino Acids; Ammonia; Creatine; Creatinine; Dietary Proteins; Feces; Humans; Nitrogen; Urea; Urine | 1965 |
EFFECT OF JACKBEAN UREASE INJECTIONS ON PERFORMANCE, ANTI-UREASE PRODUCTION AND PLASMA AMMONIA AND UREA LEVELS IN SHEEP.
Topics: Ammonia; Animals; Immunization; Research; Sheep; Sheep, Domestic; Urea; Urease; Vaccination | 1965 |
AUTOMATED AND MANUAL DIRECT METHODS FOR THE DETERMINATION OF BLOOD UREA.
Topics: Ammonia; Automation; Azides; Blood Chemical Analysis; Humans; Iron; Oximes; Research; Urea; Urease | 1965 |
[AMMONIA IN EXHALED AIR].
Topics: Ammonia; Blood Urea Nitrogen; Cell Respiration; Humans; Kidney Diseases; Respiration; Urea | 1965 |
A COULOMETRIC DETERMINATION OF UREA NITROGEN IN BLOOD AND URINE.
Topics: Ammonia; Blood Chemical Analysis; Blood Urea Nitrogen; Body Fluids; Chemistry Techniques, Analytical; Electrolysis; Humans; Nitrogen; Research; Urea; Urease; Urine | 1965 |
[THE BIOCHEMISTRY OF AMMONIA TOXICITY].
Topics: Amino Acids; Ammonia; Animals; Biochemical Phenomena; Citric Acid Cycle; Mice; Research; Toxicology; Urea | 1965 |
DAILY URINARY NITROGEN PARTITION AND BALANCE IN INFANTS WITH KWASHIORKOR.
Topics: Amino Acids; Ammonia; Biochemical Phenomena; Biochemistry; Body Weight; Body Weights and Measures; Child; Creatine; Creatinine; Dietary Proteins; Humans; Infant; Kwashiorkor; Nitrogen; Urea; Uric Acid; Urine | 1965 |
ENZYMATIC STUDY ON ASSIMILATION OF UREA AND AMMONIA IN TISSUES OF HIGHER PLANTS.
Topics: Ammonia; Ammonium Compounds; Carbon Isotopes; Embryophyta; Enzyme Inhibitors; Hydroxylamines; Metabolism; NAD; NADP; Nitrates; Nitrites; Oxidoreductases; Plants; Quaternary Ammonium Compounds; Sulfates; Urea; Urease | 1965 |
CALCIUM OXALATE SOLUBILITY: THE EFFECT OF INORGANIC SALTS, UREA, CREATININE, AND ORGANIC ACIDS.
Topics: Acids; Ammonia; Calcium; Calcium Oxalate; Calcium, Dietary; Creatine; Creatinine; Magnesium; Oxalates; Potassium; Research; Salts; Sodium; Solubility; Urea; Urinary Calculi; Urine | 1965 |
[Low-temperature determination of ammonia in urea-rich media; application to urine].
Topics: Ammonia; Body Fluids; Cold Temperature; Temperature; Tunica Media; Urea; Urine; Veins | 1954 |
[Low-temperature determination of ammonia in urea-rich media; application to blood plasma].
Topics: Ammonia; Blood; Cold Temperature; Plasma; Temperature; Tunica Media; Urea; Veins | 1954 |
[Intermediary role of ammonia in the formation of urea].
Topics: Ammonia; Biochemical Phenomena; Urea | 1954 |
Changes in the pattern of nitrogen excretion during the life cycle of the newt.
Topics: Adult; Ammonia; Animals; Body Fluids; Humans; Larva; Life Cycle Stages; Metamorphosis, Biological; Nitrogen; Salamandridae; Urea; Urodela | 1959 |
[Alkalization, ammonia and urea in urine in kidney diseases].
Topics: Acid-Base Equilibrium; Ammonia; Body Fluids; Humans; Kidney Diseases; Urea; Uremia | 1961 |
An improvement in the method for estimating urea and ammonia.
Topics: Ammonia; Urea | 1961 |
Differential utilization of systemic and enteral ammonia for urea synthesis in control subjects and ornithine transcarbamylase deficiency carriers.
Topics: Administration, Oral; Adult; Ammonia; Carrier State; Case-Control Studies; Female; Humans; Injections, Intravenous; Liver; Male; Middle Aged; Ornithine Carbamoyltransferase Deficiency Disease; Urea | 2003 |
The effect of chronic cortisol elevation on urea metabolism and excretion in the rainbow trout (Oncorhynchus mykiss).
Topics: Ammonia; Animals; Drug Implants; Hydrocortisone; Kidney; Nitrogen; Oncorhynchus mykiss; Receptors, Glucocorticoid; Urea | 2004 |
Excretory nitrogen metabolism in the Chinese fire-belly newt Cynops orientalis in water, on land, or in high concentrations of environmental ammonia.
Topics: Ammonia; Animals; Environment; Female; Immersion; Male; Nitrogen; Salamandridae; Sexual Maturation; Soil; Urea; Water | 2004 |
Role of ureogenesis in tackling problems of ammonia toxicity during exposure to higher ambient ammonia in the air-breathing walking catfish Clarias batrachus.
Topics: Air; Ammonia; Animals; Catfishes; Respiration; Urea | 2003 |
Slc25a13-knockout mice harbor metabolic deficits but fail to display hallmarks of adult-onset type II citrullinemia.
Topics: Amino Acids; Ammonia; Animals; Argininosuccinate Synthase; Aspartic Acid; Base Sequence; Citrullinemia; Disease Models, Animal; DNA; Female; Gluconeogenesis; Humans; Liver; Male; Membrane Transport Proteins; Mice; Mice, Knockout; Mitochondrial Membrane Transport Proteins; Mitochondrial Proteins; Mutation; NAD; Phenotype; RNA, Messenger; Urea | 2004 |
A window into cellular metabolism: hepatic metabolism of (15)N-labelled substrates.
Topics: Alanine; Ammonia; Animals; Aspartic Acid; Carbamoyl-Phosphate Synthase (Ammonia); Glutaminase; Mitochondria, Liver; Models, Chemical; Nitrogen Isotopes; Rats; Urea | 2004 |
Identification of optimal classification functions for biological sample and state discrimination from metabolic profiling data.
Topics: Algorithms; Amino Acids; Ammonia; Animals; Biomarkers; Diagnosis, Computer-Assisted; Galactosamine; Glucose; Ketone Bodies; Lactic Acid; Liver Failure; Male; Metabolic Clearance Rate; Models, Biological; Models, Statistical; Multivariate Analysis; Organ Specificity; Rats; Rats, Sprague-Dawley; Reproducibility of Results; Sensitivity and Specificity; Urea | 2004 |
Development of a large-scale HPLC-based purification for the urease from Staphylococcus leei and determination of subunit structure.
Topics: Acrylic Resins; Ammonia; Bacteriolysis; Chromatography, Gel; Chromatography, High Pressure Liquid; Durapatite; Electrophoresis, Polyacrylamide Gel; Kinetics; Molecular Weight; Protein Subunits; Staphylococcus; Urea; Urease | 2004 |
The role of ammonia in dental caries. Part II. Effect of ammonium salts and urea on salivary organisms.
Topics: Ammonia; Ammonium Compounds; Dental Caries; Humans; Quaternary Ammonium Compounds; Saliva; Salts; Urea | 1951 |
Relative concentrations of N15 in urinary ammonia N and urea N after feeding N15-labeled compounds.
Topics: Ammonia; Aspartic Acid; Glycine; Nitrogen; Nitrogen Radioisotopes; Urea; Urine | 1951 |
Role of urease in the gastric mucosa. III. Plasma urea as source of ammonium ion in gastric juice of histamine-stimulated dog.
Topics: Ammonia; Ammonium Compounds; Animals; Dogs; Gastric Juice; Gastric Mucosa; Histamine; Urea; Urease | 1951 |
Influence of ammonia and of urea upon L. acidophilus 4646. I. Studies on growth.
Topics: Ammonia; Humans; Lactobacillus acidophilus; Urea | 1951 |
Influence of ammonia and of urea upon L acidophilus 4646. II. Studies on anaerobic glycolysis.
Topics: Ammonia; Ammonium Compounds; Glycolysis; Lactobacillus; Urea | 1951 |
Ammonia and urea production and changes in absorption spectra of nucleic acid derivatives following ultraviolet irradiation.
Topics: Ammonia; Nucleic Acids; Ultraviolet Rays; Ultraviolet Therapy; Urea | 1951 |
Bacteriostatic, germicidal, and sanitizing action of quaternary ammonium compounds on textiles: prevention of ammonia formation from urea by Proteus mirabilis.
Topics: Ammonia; Ammonium Compounds; Anti-Infective Agents; Anti-Infective Agents, Local; Dermatologic Agents; Humans; Proteus mirabilis; Quaternary Ammonium Compounds; Textiles; Urea | 1951 |
Dietary arginine supplementation enhances the growth of milk-fed young pigs.
Topics: Amino Acids; Amino Acids, Essential; Ammonia; Animals; Animals, Newborn; Arginine; Blood Glucose; Body Weight; Dietary Supplements; Growth Hormone; Insulin; Milk; Orotic Acid; Swine; Urea | 2004 |
Permeabilities of teleost and elasmobranch gill apical membranes: evidence that lipid bilayers alone do not account for barrier function.
Topics: Ammonia; Animals; Apyrase; Cell Membrane; Cell Membrane Permeability; Dogfish; Flounder; Gills; Intracellular Membranes; Lipid Bilayers; Permeability; Urea; Water; Water-Electrolyte Balance | 2004 |
Soybean cultivars 'Williams 82' and 'Maple Arrow' produce both urea and ammonia during ureide degradation.
Topics: Allantoin; Ammonia; Carbon Radioisotopes; Enzyme Inhibitors; Glycine max; Kinetics; Plant Leaves; Plant Proteins; Radioisotope Dilution Technique; Urea; Urease | 2004 |
Effects of sodium benzoate on the complications of 1.5% glycine solution using two different intravesical pressures during bladder irrigation.
Topics: Administration, Intravesical; Ammonia; Analysis of Variance; Animals; Antifungal Agents; Drug Interactions; Electrocardiography; Glycine; Hemoglobins; Male; Potassium; Pressure; Rabbits; Sodium; Sodium Benzoate; Statistics, Nonparametric; Therapeutic Irrigation; Time Factors; Urea; Urinary Bladder | 2004 |
The urea cycle and related pathways in the liver of Walker-256 tumor-bearing rats.
Topics: Alanine; Ammonia; Animals; Cachexia; Carcinoma 256, Walker; In Vitro Techniques; Kinetics; Liver; Male; Oxygen Consumption; Rats; Rats, Wistar; Reference Values; Urea | 2004 |
Physiological and biochemical responses to dietary protein in the omnivore passerine Zonotrichia capensis (Emberizidae).
Topics: Ammonia; Animals; Body Weight; Dietary Proteins; Hematocrit; Organ Size; Osmolar Concentration; Songbirds; Urea; Uric Acid | 2004 |
Dogmas and controversies in the handling of nitrogenous wastes: the effect of feeding and fasting on the excretion of ammonia, urea and other nitrogenous waste products in rainbow trout.
Topics: Amino Acids; Ammonia; Animals; Eating; Food Deprivation; Nitrogen Compounds; Oncorhynchus mykiss; Oxygen Consumption; Proteins; Species Specificity; Urea | 2004 |
Dogmas and controversies in the handling of nitrogenous wastes: ureotely and ammonia tolerance in early life stages of the gulf toadfish, Opsanus beta.
Topics: Ammonia; Analysis of Variance; Animals; Arginase; Batrachoidiformes; Carbon-Nitrogen Ligases; Florida; Glutamate-Ammonia Ligase; Larva; Nitrogen; Ornithine Carbamoyltransferase; Seawater; Spectrophotometry; Urea; Zygote | 2004 |
Biochemical responses of two erythrinidae fish to environmental ammonia.
Topics: Adaptation, Physiological; Ammonia; Ammonium Chloride; Animals; Arginine; Fishes; Glutamate-Ammonia Ligase; Liver; Ornithine Carbamoyltransferase; Urea | 2004 |
Nitrification and anammox with urea as the energy source.
Topics: Aerobiosis; Ammonia; Anaerobiosis; Bacteria, Anaerobic; DNA, Bacterial; DNA, Ribosomal; Ecosystem; Genes, Bacterial; Genes, rRNA; In Situ Hybridization, Fluorescence; Molecular Sequence Data; Nitrogen; Nitrosomonas; Oxidation-Reduction; Phylogeny; RNA, Ribosomal, 16S; Sequence Analysis, DNA; Sequence Homology; Sewage; Urea | 2004 |
Increase of uricogenesis in the kuruma shrimp Marsupenaeus japonicus reared under hyper-osmotic conditions.
Topics: Ammonia; Animals; Epidermis; Gills; Hepatopancreas; Hypoxanthine; Osmosis; Penaeidae; Sodium Chloride; Urate Oxidase; Urea; Uric Acid; Xanthine; Xanthine Dehydrogenase; Xanthine Oxidase | 2004 |
Postprandial increases in nitrogenous excretion and urea synthesis in the giant mudskipper Periophthalmodon schlosseri.
Topics: Ammonia; Animals; Brain; Fishes; Glutamine; Liver; Malaysia; Muscle, Skeletal; Postprandial Period; Time Factors; Urea | 2004 |
Urinary composition of cats is affected by the source of dietary protein.
Topics: Ammonia; Animals; Cats; Creatinine; Diet; Dietary Proteins; Female; Male; Oxalates; Urea; Urinary Calculi | 2004 |
Disruption of hepatic C/EBPalpha results in impaired glucose tolerance and age-dependent hepatosteatosis.
Topics: Aging; Ammonia; Animals; Apolipoprotein B-100; Apolipoproteins B; Blotting, Northern; Blotting, Western; CCAAT-Enhancer-Binding Protein-alpha; Cholesterol; Chromatography, Liquid; Down-Regulation; Genotype; Glucokinase; Glucose; Glucose Tolerance Test; Glucose-6-Phosphatase; Glycogen; Glycogen Synthase; Hypoglycemia; Immunohistochemistry; Lipid Metabolism; Lipoprotein Lipase; Liver; Mice; Mice, Knockout; Organ Size; Phenotype; Phosphoenolpyruvate Carboxykinase (ATP); Polymerase Chain Reaction; Time Factors; Tissue Distribution; Urea | 2004 |
The effect of feeding diets high in quickly degradable nitrogen on follicular development and embryo growth in lactating Holstein dairy cows.
Topics: Ammonia; Animals; Blood Glucose; Cattle; Diet; Embryonic Development; Estrous Cycle; Female; Lactation; Milk; Nitrogen; Ovarian Follicle; Ovulation; Pregnancy; Progesterone; Time Factors; Urea | 2004 |
The ammonotelic African lungfish, Protopterus dolloi, increases the rate of urea synthesis and becomes ureotelic after feeding.
Topics: Ammonia; Animals; Brain; Diuresis; Fishes; Glutamine; Postprandial Period; Time Factors; Urea | 2004 |
[Effect of monocalcium phosphate and potassium chloride on nitrogen leaching in paddy soil].
Topics: Ammonia; Calcium Phosphates; Drug Synergism; Fertilizers; Nitrates; Nitrogen; Potassium Chloride; Soil; Soil Pollutants; Urea | 2004 |
Lamprey parasitism of sharks and teleosts: high capacity urea excretion in an extant vertebrate relic.
Topics: Ammonia; Animals; Intestinal Mucosa; Intestines; Lampreys; Liver; Muscles; Oncorhynchus mykiss; Sharks; Urea | 2004 |
Effect of level of metabolizable protein on splanchnic flux of amino acids in lactating dairy cows.
Topics: Amino Acids; Amino Acids, Branched-Chain; Amino Acids, Essential; Ammonia; Animals; Arteries; Cattle; Dietary Proteins; Energy Intake; Female; Hepatic Veins; Lactation; Lipids; Liver; Lysine; Milk; Milk Proteins; Nitrogen; Oxidation-Reduction; Portal Vein; Splanchnic Circulation; Threonine; Urea | 2004 |
Enzymatic catalysis of urea decomposition: elimination or hydrolysis?
Topics: Ammonia; Bacillus; Biomimetic Materials; Catalysis; Crystallography, X-Ray; Hydrolysis; Models, Molecular; Nickel; Organometallic Compounds; Phthalazines; Protons; Quantum Theory; Thermodynamics; Urea; Urease | 2004 |
Increased production and excretion of urea in the kuruma shrimp (Marsupenaeus japonicus) exposed to combined environments of increased ammonia and nitrite.
Topics: Ammonia; Animals; Dose-Response Relationship, Drug; Environmental Exposure; Gills; Hepatopancreas; Nitrites; Nitrogen; Penaeidae; Urea; Water Pollutants | 2004 |
Macronutrient digestibility, nitrogen balance, plasma indicators of protein metabolism and mineral absorption in horses fed a ration rich in sugar beet pulp.
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Beta vulgaris; Creatinine; Cross-Over Studies; Dietary Carbohydrates; Dietary Fats; Dietary Proteins; Digestion; Feces; Horses; Hydrogen-Ion Concentration; Intestinal Absorption; Male; Minerals; Nitrogen; Random Allocation; Urea | 2004 |
Urea synthesis by ruminal epithelial and duodenal mucosal cells from growing sheep.
Topics: Ammonia; Animals; Arginase; Arginine; Aspartic Acid; Carbamoyl-Phosphate Synthase (Ammonia); Cells, Cultured; Citrulline; Duodenum; Enzyme Activation; Epithelial Cells; Gastric Mucosa; Intestinal Mucosa; Ornithine; Rumen; Sheep; Urea | 2004 |
Ureotelism is inducible in the neotropical freshwater Hoplias malabaricus (Teleostei, Erythrinidae).
Topics: Adaptation, Physiological; Ammonia; Animals; Enzyme Activation; Enzymes; Fishes; Hydrogen-Ion Concentration; Nitrogen; Urea | 2004 |
Developmental outcomes with early orthotopic liver transplantation for infants with neonatal-onset urea cycle defects and a female patient with late-onset ornithine transcarbamylase deficiency.
Topics: Ammonia; Carbamoyl-Phosphate Synthase I Deficiency Disease; Child Development; Child, Preschool; Combined Modality Therapy; Female; Genetic Diseases, X-Linked; Humans; Infant, Newborn; Liver Transplantation; Male; Ornithine Carbamoyltransferase Deficiency Disease; Retrospective Studies; Treatment Outcome; Urea | 2004 |
Restoration of ureagenesis in N-acetylglutamate synthase deficiency by N-carbamylglutamate.
Topics: Acetyltransferases; Adolescent; Adult; Amino-Acid N-Acetyltransferase; Ammonia; Ammonium Chloride; Blood Urea Nitrogen; Female; Glutamates; Glutamine; Humans; Nitrogen Isotopes; Urea | 2004 |
Exposure to air, but not seawater, increases the glutamine content and the glutamine synthetase activity in the marsh clam Polymesoda expansa.
Topics: Air; Amino Acids; Ammonia; Analysis of Variance; Animals; Bivalvia; Glutamate-Ammonia Ligase; Glutamine; Hepatopancreas; Muscles; Nitrogen; Seawater; Singapore; Time Factors; Urea; Water-Electrolyte Balance | 2004 |
Interleukin-3 induces hepatocyte-specific metabolic activity in bone marrow-derived liver stem cells.
Topics: Ammonia; Animals; Cell Differentiation; Cells, Cultured; Coculture Techniques; Hepatocytes; Humans; Interleukin-3; Male; Rats; Rats, Sprague-Dawley; Stem Cells; Urea | 2005 |
The periplasmic alpha-carbonic anhydrase activity of Helicobacter pylori is essential for acid acclimation.
Topics: Acetazolamide; Adaptation, Physiological; Ammonia; Bacterial Proteins; Buffers; Carbon Dioxide; Carbonic Anhydrase Inhibitors; Carbonic Anhydrases; Cell Membrane; Cytoplasm; Fluorescent Dyes; Gene Deletion; Helicobacter pylori; Hydrogen-Ion Concentration; Membrane Transport Proteins; Periplasm; Sequence Deletion; Urea; Urease | 2005 |
Effects of supplemental hay and corn silage versus full-time grazing on ruminal pH and chewing activity of dairy cows.
Topics: 3-Hydroxybutyric Acid; Ammonia; Animal Feed; Animals; Body Weight; Cattle; Eating; Electrodes; Fatty Acids, Nonesterified; Fatty Acids, Volatile; Female; Hydrogen-Ion Concentration; Lactation; Mastication; Milk; Nitrogen; Rumen; Silage; Time Factors; Urea; Zea mays | 2005 |
Arginine synthesis does not occur during first-pass hepatic metabolism in the neonatal piglet.
Topics: Amino Acids; Ammonia; Animal Feed; Animals; Animals, Newborn; Arginine; Blood Urea Nitrogen; Deuterium; Enteral Nutrition; Liver; Male; Ornithine; Proline; Random Allocation; Swine; Urea | 2005 |
Functional genomics of the regulation of the nitrate assimilation pathway in Chlamydomonas.
Topics: Ammonia; Animals; Chlamydomonas reinhardtii; Gene Expression Profiling; Gene Expression Regulation; Mutagenesis, Insertional; Nitrates; Phenotype; Urea | 2005 |
Ammonotelic teleosts and urea transporters.
Topics: Ammonia; Animals; Fishes; Membrane Transport Proteins; Osmolar Concentration; Urea; Urea Transporters | 2005 |
Hepatic microcirculation assessed by positron emission tomography of first-pass ammonia metabolism in porcine liver.
Topics: Ammonia; Animals; Female; Glutamine; Liver; Microcirculation; Models, Biological; Nitrogen Radioisotopes; Positron-Emission Tomography; Swine; Urea | 2005 |
Water and solute permeability of rat lung caveolae: high permeabilities explained by acyl chain unsaturation.
Topics: Ammonia; Animals; Aquaporin 1; Aquaporins; Caveolae; Caveolin 1; Caveolins; Cell Membrane Permeability; Female; In Vitro Techniques; Liposomes; Lung; Osmosis; Protons; Rats; Rats, Sprague-Dawley; Urea; Water | 2005 |
Effect of rumen-degradable protein balance and forage type on bulk milk urea concentration and emission of ammonia from dairy cow houses.
Topics: Ammonia; Animal Feed; Animals; Cattle; Dietary Proteins; Dose-Response Relationship, Drug; Environmental Pollutants; Female; Housing, Animal; Milk; Random Allocation; Regression Analysis; Rumen; Temperature; Urea; Urine | 2005 |
Augmentation of butyrate-induced differentiation of human hepatocyte by cyclin E over-expression.
Topics: Albumins; Ammonia; Butyrates; CCAAT-Enhancer-Binding Proteins; Cell Differentiation; Cell Line; Cell Proliferation; Cyclin E; DNA-Binding Proteins; G1 Phase; Gene Expression Regulation; Hepatocyte Nuclear Factor 4; Hepatocytes; Humans; Ornithine Carbamoyltransferase; Phosphoproteins; S Phase; Transcription Factor CHOP; Transcription Factors; Transfection; Urea | 2005 |
Managing ammonia emissions from livestock production in Europe.
Topics: Agriculture; Air Pollutants; Ammonia; Animal Husbandry; Animals; Cattle; Cost-Benefit Analysis; Environmental Monitoring; Europe; Fertilizers; Manure; Swine; Urea; Urine | 2005 |
Changes in tissue protein synthesis are involved in regulating urea synthesis in rats given proteins of different quality.
Topics: Alanine; Amino Acids; Ammonia; Animals; Caseins; Dietary Proteins; Egg Proteins; Glutamic Acid; Glutens; Homeostasis; Kinetics; Liver; Male; Protein Biosynthesis; Rats; Serine; Urea | 2004 |
Association between blood plasma urea nitrogen levels and reproductive fluid urea nitrogen and ammonia concentrations in early lactation dairy cows.
Topics: Ammonia; Animals; Blood Urea Nitrogen; Cattle; Estrous Cycle; Female; Follicular Fluid; Lactation; Nitrogen; Ovulation; Time Factors; Urea | 2005 |
An increase of uricogenesis in the Kuruma shrimp Marsupenaeus japonicus under nitrite stress.
Topics: Ammonia; Animals; Enzyme Activation; Gills; Hepatopancreas; Hypoxanthine; Nitrites; Penaeidae; Taiwan; Urate Oxidase; Urea; Uric Acid; Xanthine; Xanthine Dehydrogenase; Xanthine Oxidase | 2005 |
Effects of intra-peritoneal injection with NH4Cl, urea, or NH4Cl+urea on nitrogen excretion and metabolism in the African lungfish Protopterus dolloi.
Topics: Amino Acids; Ammonia; Animals; Brain; Fishes; Gills; Liver; Muscle, Skeletal; Nitrogen; Spectrophotometry; Urea | 2005 |
Expression of four glutamine synthetase genes in the early stages of development of rainbow trout (Oncorhynchus mykiss) in relationship to nitrogen excretion.
Topics: Ammonia; Animals; Egg Yolk; Gene Expression; Glutamate-Ammonia Ligase; Glutamine; Isoenzymes; Larva; Liver; Muscle, Skeletal; Nitrogen; Oncorhynchus mykiss; Ornithine; RNA, Messenger; Urea | 2005 |
Environmental pH as an important factor for the distribution of urease positive ammonia-oxidizing bacteria.
Topics: Ammonia; Culture Media; Hydrogen-Ion Concentration; Nitrites; Oxidation-Reduction; Proteobacteria; Species Specificity; Time Factors; Urea; Urease | 2005 |
Allophanate hydrolase of Oleomonas sagaranensis involved in an ATP-dependent degradation pathway specific to urea.
Topics: Acetobacteraceae; Adenosine Triphosphate; Allophanate Hydrolase; Ammonia; Carbon-Nitrogen Ligases; Kinetics; Nitrogen; Substrate Specificity; Urea | 2005 |
Splanchnic metabolism of nitrogenous compounds and urinary nitrogen excretion in steers fed alfalfa under conditions of increased absorption of ammonia and L-arginine supply across the portal-drained viscera.
Topics: Amino Acids; Ammonia; Animal Feed; Animals; Arginine; Body Weight; Cattle; Diet; Hematocrit; Liver; Male; Medicago sativa; Nitrogen; Nitrogen Compounds; Portal Vein; Random Allocation; Urea; Urine; Viscera | 2005 |
Splanchnic metabolism of nutrients and hormones in steers fed alfalfa under conditions of increased absorption of ammonia and L-arginine supply across the portal-drained viscera.
Topics: 3-Hydroxybutyric Acid; Absorption; Ammonia; Animals; Arginine; Blood Glucose; Cattle; Fatty Acids, Volatile; Glucagon; Infusions, Intravenous; Insulin; Liver; Male; Oxygen; Portal Vein; Random Allocation; Regional Blood Flow; Urea; Viscera | 2005 |
Changes in salinity and ionic compositions can act as environmental signals to induce a reduction in ammonia production in the African lungfish Protopterus dolloi.
Topics: Amino Acids; Ammonia; Animals; Estivation; Fishes; Fresh Water; Glutamine; Sodium Chloride; Urea | 2005 |
Purification and characterization of allophanate hydrolase (AtzF) from Pseudomonas sp. strain ADP.
Topics: Allophanate Hydrolase; Amino Acid Sequence; Ammonia; Conserved Sequence; Enzyme Inhibitors; Hydroxylamine; Kinetics; Malonates; Metals; Molecular Sequence Data; Mutagenesis, Site-Directed; Organophosphates; Pseudomonas; Substrate Specificity; Urea | 2005 |
[Clinical and laboratory screening studies on urea cycle defects].
Topics: Adolescent; Ammonia; Child; Child, Preschool; Female; Follow-Up Studies; Humans; Hyperammonemia; Infant; Infant, Newborn; Male; Urea | 2005 |
Adaptations to fasting in the American mink (Mustela vison): nitrogen metabolism.
Topics: Adaptation, Physiological; Amino Acids; Ammonia; Analysis of Variance; Animals; Body Weight; Chromatography, Ion Exchange; Fasting; Finland; Mink; Nitrogen; Proteins; Seasons; Urea; Uric Acid | 2005 |
Alkaline tide and nitrogen conservation after feeding in an elasmobranch (Squalus acanthias).
Topics: Acid-Base Equilibrium; Ammonia; Analysis of Variance; Animals; Bicarbonates; Blood Glucose; British Columbia; Carbon Dioxide; Hydrogen-Ion Concentration; Methylamines; Nitrogen; Oxygen; Postprandial Period; Squalus acanthias; Time Factors; Urea; Water-Electrolyte Balance | 2005 |
High ambient ammonia promotes growth in a ureogenic goby, Mugilogobius abei.
Topics: Amino Acids; Ammonia; Animals; Female; Fishes; Food Deprivation; Gene Expression; Growth Hormone; Kinetics; Locomotion; Male; Nitrogen; Nitrogen Isotopes; Oxygen Consumption; Pituitary Gland; Prolactin; Proteins; RNA, Messenger; Time Factors; Urea | 2005 |
Sublethal ammonia and urea concentrations inhibit rainbow trout (Oncorhynchus mykiss) erythrocyte glucose-6-phosphate dehydrogenase.
Topics: Ammonia; Animals; Erythrocytes; Glucosephosphate Dehydrogenase; Oncorhynchus mykiss; Oxidative Stress; Urea | 2005 |
Emission of ammonia from indoor concrete wall and assessment of human exposure.
Topics: Adult; Air Pollutants; Air Pollution, Indoor; Ammonia; Child; Construction Materials; Environmental Monitoring; Facility Design and Construction; Humans; Inhalation Exposure; Urea; Volatilization | 2006 |
Allophanate hydrolase, not urease, functions in bacterial cyanuric acid metabolism.
Topics: Allophanate Hydrolase; Ammonia; Bacterial Proteins; Carbon Dioxide; Cloning, Molecular; Enterobacter cloacae; Escherichia coli; Gram-Negative Bacteria; Kinetics; Phylogeny; Pseudomonas; Sequence Analysis, DNA; Triazines; Urea; Urease | 2005 |
Sweat lactate, ammonia, and urea in rugby players.
Topics: Adult; Ammonia; Creatine Kinase; Football; Glycolysis; Humans; Lactates; Male; Oxygen Consumption; Sweat; Urea | 2005 |
Ruminal ammonia load affects leucine utilization by growing steers.
Topics: Abomasum; Ammonia; Animal Feed; Animals; Blood Glucose; Cattle; Dietary Supplements; Digestion; Insulin; Insulin-Like Growth Factor I; Leucine; Male; Nitrogen; Rumen; Urea | 2005 |
Ammonium and urea removal by Spirulina platensis.
Topics: Ammonia; Bacterial Proteins; Cyanobacteria; Industrial Microbiology; Kinetics; Nitrates; Nitrogen; Spirulina; Urea | 2006 |
Metabolic fates of ammonia-N in ruminal epithelial and duodenal mucosal cells isolated from growing sheep.
Topics: Alanine; Ammonia; Animals; Arginine; Aspartic Acid; Citrulline; Duodenum; Epithelium; Gas Chromatography-Mass Spectrometry; Glutamic Acid; Intestinal Mucosa; Nitrogen; Nitrogen Isotopes; Rumen; Sheep; Urea | 2005 |
Mechanisms of inhibition by fluoride of urease activities of cell suspensions and biofilms of Staphylococcus epidermidis, Streptococcus salivarius, Actinomyces naeslundii and of dental plaque.
Topics: Actinomyces; Alkalies; Ammonia; Biofilms; Cariostatic Agents; Cytoplasm; Decanoic Acids; Dental Plaque; Enzyme Inhibitors; Fluorides; Humans; Hydrogen-Ion Concentration; Indomethacin; Staphylococcus epidermidis; Streptococcus; Urea; Urease | 2005 |
The interplay of increased urea synthesis and reduced ammonia production in the African lungfish Protopterus aethiopicus during 46 days of aestivation in a mucus cocoon.
Topics: Amino Acids; Ammonia; Animals; Brain; Estivation; Fasting; Fishes; Liver; Muscles; Time Factors; Urea | 2005 |
Expression of ornithine-urea cycle enzymes in early life stages of air-breathing walking catfish Clarias batrachus and induction of ureogenesis under hyper-ammonia stress.
Topics: Air; Ammonia; Animals; Carbon-Nitrogen Ligases; Catfishes; Egg Yolk; Embryo, Nonmammalian; Fertilization; Glutamate-Ammonia Ligase; Life Cycle Stages; Ornithine; Urea | 2006 |
Milk from forage as affected by carbohydrate source and degradability with alfalfa silage-based diets.
Topics: Ammonia; Animal Nutritional Physiological Phenomena; Animals; Body Fluids; Cattle; Diet; Dietary Carbohydrates; Dietary Proteins; Fats; Fatty Acids, Volatile; Female; Food Handling; Hydrogen-Ion Concentration; Lactation; Medicago sativa; Milk; Milk Proteins; Nitrogen; Rumen; Silage; Triticum; Urea; Zea mays | 2006 |
Gastric juice ammonia and urea concentrations and their relation to gastric mucosa injury in patients maintained on chronic hemodialysis.
Topics: Ammonia; Chronic Disease; Female; Gastric Juice; Gastric Mucosa; Gastritis; Helicobacter Infections; Helicobacter pylori; Humans; Kidney Failure, Chronic; Male; Middle Aged; Renal Dialysis; Urea | 2005 |
Generation of volatile compounds on mouth exposure to urea and sucrose: implications for exhaled breath analysis.
Topics: Ammonia; Breath Tests; Ethanol; Exhalation; Humans; Mouthwashes; Sucrose; Urea | 2006 |
Effects of dietary ruminally protected L-carnitine on plasma metabolites in sheep following a sub-lethal ammonia challenge.
Topics: Adaptation, Physiological; Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Area Under Curve; Blood Glucose; Carnitine; Dose-Response Relationship, Drug; Random Allocation; Rumen; Sheep; Urea | 2005 |
Point mutations in the aromatic/arginine region in aquaporin 1 allow passage of urea, glycerol, ammonia, and protons.
Topics: Ammonia; Animals; Aquaporin 1; Arginine; Electrophysiology; Glycerol; Hydrogen-Ion Concentration; Models, Molecular; Mutation; Oocytes; Patch-Clamp Techniques; Protein Structure, Tertiary; Protons; Rats; Saccharomyces cerevisiae; Solubility; Urea; Water; Xenopus laevis | 2006 |
The functional integrity of a normothermic perfusion system using artificial blood in pig liver.
Topics: Ammonia; Animals; Blood Substitutes; Female; Liver; Organ Culture Techniques; Oxygen Consumption; Regional Blood Flow; Swine; Temperature; Urea | 2006 |
Exposure to brackish water, upon feeding, leads to enhanced conservation of nitrogen and increased urea synthesis and retention in the Asian freshwater stingray Himantura signifer.
Topics: Adaptation, Physiological; Ammonia; Animals; Brain; Eating; Fresh Water; Gastric Mucosa; Intestinal Mucosa; Liver; Muscle, Skeletal; Nitrogen; Seawater; Skates, Fish; Stomach; Time Factors; Urea | 2006 |
Agmatine stimulates hepatic fatty acid oxidation: a possible mechanism for up-regulation of ureagenesis.
Topics: Adenosine Diphosphate; Adenosine Monophosphate; Adenosine Triphosphate; Agmatine; Ammonia; Animals; Carbon Isotopes; Citrulline; Dose-Response Relationship, Drug; Fasting; Fatty Acids; Gas Chromatography-Mass Spectrometry; Glutamates; Ketone Bodies; Kinetics; Liver; Male; Mitochondria, Liver; Models, Biological; Nuclear Magnetic Resonance, Biomolecular; Oxidation-Reduction; Oxygen Consumption; Palmitic Acids; Perfusion; Rats; Rats, Sprague-Dawley; Up-Regulation; Urea | 2006 |
Pyruvate ameliorates the defect in ureogenesis from ammonia in citrin-deficient mice.
Topics: Amino Acids; Ammonia; Animals; Anticoagulants; Aspartic Acid; Calcium-Binding Proteins; Citric Acid; Citrullinemia; Hyperammonemia; In Vitro Techniques; Liver; Male; Mice; Mice, Inbred Strains; Mice, Knockout; Organic Anion Transporters; Oxidation-Reduction; Perfusion; Pyruvic Acid; Urea | 2006 |
Reduced ornithine transcarbamylase activity does not impair ureagenesis in Otc(spf-ash) mice.
Topics: Amino Acids; Ammonia; Animals; Dipeptides; Food Deprivation; Genotype; Mice; Mice, Mutant Strains; Mutation; Ornithine Carbamoyltransferase; Ornithine Carbamoyltransferase Deficiency Disease; Regression Analysis; Urea; Weight Loss | 2006 |
Molecular adsorbent recirculating system (MARS) application in liver failure: clinical and hemodepurative results in 22 patients.
Topics: Acute Kidney Injury; Adult; Aged; Ammonia; Bilirubin; Blood Pressure; Chenodeoxycholic Acid; Cholic Acid; Creatinine; Female; Hepatic Encephalopathy; Humans; Liver Failure; Liver Function Tests; Liver Transplantation; Male; Middle Aged; Sorption Detoxification; Treatment Outcome; Urea | 2006 |
NutriDense corn grain and corn silage for dairy cows.
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Body Fluids; Cattle; Diet; Dietary Fiber; Dietary Proteins; Digestion; Edible Grain; Female; Fermentation; Lactation; Medicago sativa; Milk; Nitrogen; Rumen; Silage; Urea; Zea mays | 2006 |
Evaluation of the necessity of induction for lactose-[15N, 15N]-ureide to study the colonic ammonia metabolism.
Topics: Adult; Ammonia; Colon; Female; Humans; Lactose; Male; Mass Spectrometry; Nitrogen Isotopes; Urea | 2006 |
Investigations on the effect of the ruminal N-balance on rumen metabolism, urea content in blood serum and milk as well as some liver parameters of lactating cows.
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Bacteria; Bacterial Proteins; Blood Urea Nitrogen; Cattle; Dietary Proteins; Duodenum; Female; Fermentation; Lactation; Liver; Milk; Nitrogen; Nutritional Requirements; Random Allocation; Rumen; Urea | 2006 |
Apc tumor suppressor gene is the "zonation-keeper" of mouse liver.
Topics: Adenomatous Polyposis Coli Protein; Adenoviridae; Ammonia; Animals; beta Catenin; Gene Expression Regulation; Genes, APC; Genes, Tumor Suppressor; Genetic Vectors; Hepatocytes; Intercellular Signaling Peptides and Proteins; Liver; Mice; Mice, Knockout; Mice, Transgenic; Models, Biological; Nitrogen; Signal Transduction; Urea; Wnt Proteins | 2006 |
Characterization of diurnal urea excretion in the mangrove killifish, Rivulus marmoratus.
Topics: Ammonia; Animals; Circadian Rhythm; Fresh Water; Killifishes; Light; Photoperiod; Seawater; Urea; Zebrafish | 2006 |
Metabolic and neuroendocrine effects on diurnal urea excretion in the mangrove killifish Rivulus marmoratus.
Topics: Ammonia; Animals; Circadian Rhythm; Fresh Water; Hormone Antagonists; Ketanserin; Killifishes; Light; Mifepristone; Nitrogen; Oxygen Consumption; Photoperiod; Seawater; Serotonin Antagonists; Urea; Zebrafish | 2006 |
Mechanistic insights into the Bazarov synthesis of urea from NH3 and CO2 using electronic structure calculation methods.
Topics: Ammonia; Carbon Dioxide; Catalysis; Computer Simulation; Electrons; Hydrolysis; Hydrophobic and Hydrophilic Interactions; Models, Chemical; Urea | 2005 |
Postprandial increases in nitrogenous excretion and urea synthesis in the Chinese soft-shelled turtle, Pelodiscus sinensis.
Topics: Ammonia; Animal Feed; Animals; Brain; Eating; Fatty Acids, Nonesterified; Gastric Mucosa; Glutamate-Ammonia Ligase; Glutamine; Intestinal Mucosa; Liver; Muscle, Skeletal; Nitrogen; Ornithine; Postprandial Period; Turtles; Urea | 2007 |
Differentiation of human embryonic stem cells to hepatocytes using deleted variant of HGF and poly-amino-urethane-coated nonwoven polytetrafluoroethylene fabric.
Topics: Actins; Albumins; Ammonia; Cell Culture Techniques; Cell Differentiation; Cell Division; Coated Materials, Biocompatible; Embryo, Mammalian; Gene Expression Profiling; Hepatocyte Growth Factor; Hepatocytes; Humans; Lidocaine; Microscopy, Electron, Scanning; Microscopy, Electron, Transmission; Polyamines; Polytetrafluoroethylene; Stem Cells; Textiles; Time Factors; Urea; Urethane | 2006 |
Amino acid, ammonia and urea concentrations in human pre-ovulatory ovarian follicular fluid.
Topics: Adult; Amino Acids; Amino Acids, Essential; Ammonia; Chromatography, High Pressure Liquid; Female; Fertilization in Vitro; Follicular Fluid; Humans; Ovulation; Urea | 2006 |
The brain permeability-surface product for ammonia.
Topics: Ammonia; Blood-Brain Barrier; Brain; Cerebrovascular Circulation; Humans; Liver Cirrhosis; Permeability; Urea | 2006 |
Use of urea as a chemosensory cloaking molecule by a bony fish.
Topics: Amino Acids; Ammonia; Animals; Batrachoidiformes; Perciformes; Predatory Behavior; Smell; Urea | 2006 |
Analysis of pyrimidine synthesis de novo intermediates in urine during crisis of a patient with ornithine transcarbamylase deficiency.
Topics: Ammonia; Child; Chromatography, High Pressure Liquid; Fatal Outcome; Humans; Male; Models, Chemical; Ornithine Carbamoyltransferase Deficiency Disease; Pyrimidines; Urea; Uridine | 2006 |
Nitrogen metabolism and excretion in the aquatic chinese soft-shelled turtle, Pelodiscus sinensis, exposed to a progressive increase in ambient salinity.
Topics: Amino Acids; Ammonia; Animals; Blood Chemical Analysis; Chlorides; Hematocrit; Liver; Malaysia; Muscle, Skeletal; Nitrogen; Osmolar Concentration; Oxygen Consumption; Seawater; Sodium Chloride; Turtles; Urea; Water-Electrolyte Balance | 2006 |
Low doses of tumour necrosis factor alpha and interleukin 1beta diminish hepatic gluconeogenesis from alanine in vivo.
Topics: Alanine; Ammonia; Animals; Dose-Response Relationship, Drug; Drug Combinations; Gluconeogenesis; Glucose; Infusions, Intravenous; Interleukin-1beta; Lactic Acid; Liver; Male; Oxygen Consumption; Perfusion; Pyruvic Acid; Rats; Rats, Sprague-Dawley; Time Factors; Tumor Necrosis Factor-alpha; Urea | 2006 |
Active ammonia transport and excretory nitrogen metabolism in the climbing perch, Anabas testudineus, during 4 days of emersion or 10 minutes of forced exercise on land.
Topics: Amino Acids; Ammonia; Animal Migration; Animals; Biological Transport, Active; Energy Metabolism; Glutamate-Ammonia Ligase; Liver; Metabolic Networks and Pathways; Motor Activity; Nitrogen; Ornithine; Oxygen Consumption; Perches; Urea | 2006 |
[Effects of urea and coated urea on harmful gases concentrations in plastic greenhouse].
Topics: Ammonia; Environment, Controlled; Fertilizers; Nitrates; Ozone; Urea; Vegetables | 2006 |
Coadministration of ornithine and alpha-ketoglutarate is no more effective than ornithine alone as an arginine precursor in piglets enterally fed an arginine-deficient diet.
Topics: Administration, Oral; Ammonia; Animals; Arginine; Ketoglutaric Acids; Male; Ornithine; Swine; Urea | 2007 |
The relationship between dental caries status and dental plaque urease activity.
Topics: Adult; Ammonia; Colony Count, Microbial; Dental Caries; Dental Plaque; DMF Index; Female; Follow-Up Studies; Humans; Hydrolysis; Male; Proteins; ROC Curve; Saliva; Salivary Proteins and Peptides; Sensitivity and Specificity; Urea; Urease | 2007 |
Why urea eliminates ammonia rather than hydrolyzes in aqueous solution.
Topics: Ammonia; Catalysis; Chemistry, Physical; Hydrogen; Hydrogen Bonding; Hydrolysis; Ions; Models, Molecular; Models, Theoretical; Molecular Conformation; Monte Carlo Method; Thermodynamics; Urea | 2007 |
Rapid regulation of Na+ fluxes and ammonia excretion in response to acute environmental hypoxia in the Amazonian oscar, Astronotus ocellatus.
Topics: Ammonia; Animals; Body Size; Cichlids; Environment; Hydrogen-Ion Concentration; Oxygen; Sodium; Urea; Water; Water-Electrolyte Balance | 2007 |
Contribution of dietary arginine to nitrogen utilisation and excretion in juvenile sea bass (Dicentrarchus labrax) fed diets differing in protein source.
Topics: Ammonia; Animals; Arginase; Arginine; Bass; Diet; Dietary Proteins; Feeding Behavior; Fish Proteins; Glutamate Dehydrogenase; Kinetics; Lipid Metabolism; Liver; Nitrogen; Ornithine Carbamoyltransferase; Urea; Uric Acid | 2007 |
The metabolic changes caused by dexamethasone in the adjuvant-induced arthritic rat.
Topics: Alanine; Ammonia; Animals; Arthritis, Experimental; Blood Glucose; Body Weight; Dexamethasone; Fasting; Feeding Behavior; Freund's Adjuvant; Glycogen; Inflammation; Insulin; Lactates; Male; Oxygen; Perfusion; Pyruvates; Rats; Urea; Weight Gain | 2007 |
Modeling transport and fate of nitrogen from urea applied to a near-trench paddy field.
Topics: Adsorption; Agriculture; Ammonia; China; Environmental Monitoring; Fertilizers; Hydrolysis; Models, Theoretical; Nitrogen; Oryza; Rain; Seasons; Soil; Urea; Volatilization; Water Movements | 2007 |
Active ammonia excretion in the giant mudskipper, Periophthalmodon schlosseri (Pallas), during emersion.
Topics: Acetates; Ammonia; Animals; Branchial Region; Hydrogen-Ion Concentration; Metabolic Networks and Pathways; Perciformes; Urea | 2007 |
Air-breathing catfish, Clarias batrachus upregulates glutamine synthetase and carbamyl phosphate synthetase III during exposure to high external ammonia.
Topics: Ammonia; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Catfishes; Fish Proteins; Gene Expression Regulation, Enzymologic; Glutamate-Ammonia Ligase; Hydrocortisone; Liver; Organ Specificity; Ornithine; Oxygen Consumption; Up-Regulation; Urea | 2007 |
Evolution of ammonification potential in storage process of urine with fecal contamination.
Topics: Ammonia; Drug Contamination; Drug Storage; Feces; Humans; Hydrolysis; Kinetics; Temperature; Time Factors; Urea; Urine | 2008 |
A trial with N-carbamylglutamate may not detect all patients with NAGS deficiency and neonatal onset.
Topics: Amino Acid Metabolism, Inborn Errors; Amino-Acid N-Acetyltransferase; Ammonia; Diagnosis, Differential; Humans; Infant, Newborn; Treatment Outcome; Urea | 2007 |
Salmonella reduction in manure by the addition of urea and ammonia.
Topics: Ammonia; Animals; Cattle; Disinfection; Enterococcus; Enterococcus faecalis; Fertilizers; Manure; Models, Theoretical; Regression Analysis; Salmonella; Salmonella Infections, Animal; Temperature; Time Factors; Urea | 2008 |
Cypermethrin induced protein metabolism in the freshwater fish Cirrhinus mrigala (Hamaliton).
Topics: Ammonia; Animals; Cyprinidae; Dose-Response Relationship, Drug; Gills; Glutamine; Insecticides; Liver; Muscles; Proteins; Pyrethrins; Urea | 2007 |
Protein is a problem...rare genetic deficits in protein metabolism can be fatal in children, but more common mutations may cause problems in adults...but it does help some people lose weight.
Topics: Adult; Ammonia; Child; Diet, Carbohydrate-Restricted; Dietary Proteins; Female; Humans; Liver; Ornithine Carbamoyltransferase Deficiency Disease; Urea; Weight Loss | 2007 |
Effect of lead on the transformation of urea-N in fly ash-contaminated soils under different moisture regimes.
Topics: Ammonia; Carbon; Coal Ash; Lead; Nitrates; Particulate Matter; Soil; Soil Pollutants; Urea; Water | 2007 |
Cells for bioartificial liver devices: the human hepatoma-derived cell line C3A produces urea but does not detoxify ammonia.
Topics: Ammonia; Carcinoma, Hepatocellular; Cell Culture Techniques; Cell Line, Tumor; Humans; Liver, Artificial; Tissue Engineering; Urea | 2008 |
Flexibility of the hepatic zonation of carbon and nitrogen fluxes linked to lactate and pyruvate transformations in the presence of ammonia.
Topics: Alanine; Ammonia; Animals; Carbon; Glutamic Acid; In Vitro Techniques; Lactates; Liver; Male; Microcirculation; Nitrogen; Perfusion; Pyruvic Acid; Rats; Rats, Wistar; Urea | 2007 |
Encapsulation of PEG-urease/PEG-AlaDH within sheep erythrocytes and determination of the system's activity in lowering blood levels of urea in animal models.
Topics: Alanine Dehydrogenase; Ammonia; Animals; Drug Delivery Systems; Enzyme Activation; Enzymes, Immobilized; Erythrocyte Transfusion; Erythrocytes; Models, Animal; Polyethylene Glycols; Sheep; Urea; Urease | 2007 |
Effect of major liver resection on hepatic ureagenesis in humans.
Topics: Adult; Aged; Amino Acids; Ammonia; Blood Flow Velocity; Hepatectomy; Humans; Indocyanine Green; Liver; Liver Circulation; Liver Neoplasms; Metabolic Clearance Rate; Middle Aged; Neoplasm Metastasis; Tomography, X-Ray Computed; Urea | 2007 |
Defense against environmental ammonia toxicity in the African lungfish, Protopterus aethiopicus: Bimodal breathing, skin ammonia permeability and urea synthesis.
Topics: Amino Acids; Ammonia; Animals; Environmental Exposure; Female; Fishes; Male; Oxygen Consumption; Permeability; Skin; Urea; Water Pollutants, Chemical | 2007 |
Peritoneal dialysis in neonates with inborn errors of metabolism: is it really out of date?
Topics: Ammonia; Female; Humans; Hyperammonemia; Infant, Newborn; Male; Metabolism, Inborn Errors; Peritoneal Dialysis; Urea | 2008 |
Action of celecoxib on hepatic metabolic changes induced by the Walker-256 tumour in rats.
Topics: Alanine; Ammonia; Animals; Arginine; Carcinoma 256, Walker; Celecoxib; Cyclooxygenase 2 Inhibitors; Gluconeogenesis; Glycolysis; In Vitro Techniques; Liver; Male; Neoplasm Transplantation; Perfusion; Pyrazoles; Rats; Sulfonamides; Urea | 2007 |
Interaction between murine spf-ash mutation and genetic background yields different metabolic phenotypes.
Topics: Alanine; Ammonia; Animals; Arginine; Citrulline; Disease Models, Animal; Female; Glycine; Injections, Intravenous; Intestinal Mucosa; Liver; Male; Mice; Mice, Inbred ICR; Mice, Inbred Strains; Mice, Mutant Strains; Models, Biological; Mutation; Nitric Oxide; Ornithine; Ornithine Carbamoyltransferase; Ornithine Carbamoyltransferase Deficiency Disease; Phenotype; Phenylalanine; Urea | 2007 |
Food deprivation in the common vole (Microtus arvalis) and the tundra vole (Microtus oeconomus).
Topics: Adaptation, Physiological; Ammonia; Animals; Arvicolinae; Blood Glucose; Climate; Dietary Carbohydrates; Energy Metabolism; Fatty Acids, Nonesterified; Female; Food Deprivation; Glycogen; Lipid Metabolism; Liver; Male; Motor Activity; Nitrogen; Proteins; Species Specificity; Urea | 2008 |
Enhanced maintenance and functions of rat hepatocytes induced by combination of on-site oxygenation and coculture with fibroblasts.
Topics: Albumins; Ammonia; Animals; Cell Proliferation; Coculture Techniques; Culture Media; Dimethylpolysiloxanes; Eosine Yellowish-(YS); Fibroblasts; Hematoxylin; Hepatocytes; Mice; NIH 3T3 Cells; Oxygen; Rats; Time Factors; Urea | 2008 |
Changes in tissue free amino acid contents, branchial Na+/K+ -ATPase activity and bimodal breathing pattern in the freshwater climbing perch, Anabas testudineus (Bloch), during seawater acclimation.
Topics: Adaptation, Physiological; Amino Acids; Ammonia; Animals; Bronchi; Osmolar Concentration; Osmotic Pressure; Oxygen Consumption; Perciformes; Respiration; Seawater; Sodium-Potassium-Exchanging ATPase; Urea; Water-Electrolyte Balance | 2007 |
Prediction of ammonia emission from dairy cattle manure based on milk urea nitrogen: relation of milk urea nitrogen to urine urea nitrogen excretion.
Topics: Ammonia; Animals; Blood Urea Nitrogen; Cattle; Dietary Proteins; Dose-Response Relationship, Drug; Female; Lactation; Manure; Milk; Nitrogen; Random Allocation; Time Factors; Urea; Urine | 2007 |
Effect of incremental urea supplementation of a conventional corn silage-based diet on ruminal ammonia concentration and synthesis of microbial protein.
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Bacterial Proteins; Cattle; Dietary Fiber; Digestion; Dose-Response Relationship, Drug; Female; Fermentation; Random Allocation; Rumen; Silage; Urea; Zea mays | 2007 |
Ammonia volatilization from a paddy field following applications of urea: rice plants are both an absorber and an emitter for atmospheric ammonia.
Topics: Ammonia; Fertilizers; Models, Biological; Models, Chemical; Oryza; Urea; Volatilization | 2008 |
Increased urea synthesis and/or suppressed ammonia production in the African lungfish, Protopterus annectens, during aestivation in air or mud.
Topics: Air; Ammonia; Animals; Brain; Estivation; Female; Fishes; Liver; Male; Muscle, Skeletal; Seasons; Soil; Time Factors; Urea | 2008 |
Mechanisms of and defense against acute ammonia toxicity in the aquatic Chinese soft-shelled turtle, Pelodiscus sinensis.
Topics: Amino Acids; Ammonia; Ammonium Chloride; Animals; Brain; Dizocilpine Maleate; Enzyme Inhibitors; Excitatory Amino Acid Antagonists; Glutamate Dehydrogenase; Glutamate-Ammonia Ligase; Liver; Methionine Sulfoximine; Muscles; Turtles; Urea; Water | 2008 |
Use of the hypobromite reaction for the estimation of ammonia plus urea nitrogen in urines containing large amounts of protein; the reaction of alkaline hypobromite with proteins.
Topics: Ammonia; Body Fluids; Nitrogen; Regression Analysis; Urea | 1948 |
Urea and ammonia content of mouse epidermis.
Topics: Ammonia; Ammonium Compounds; Epidermis; Quaternary Ammonium Compounds; Skin; Urea | 1949 |
The source of ammonia in plant tissue extracts; the influence of urea.
Topics: Ammonia; Ammonium Compounds; Plant Extracts; Plants; Quaternary Ammonium Compounds; Tissue Extracts; Urea | 1949 |
Recent developments in the biologic production of ammonia and the use of ammonia and carbamide in caries prevention.
Topics: Ammonia; Ammonium Compounds; Biological Products; Dental Caries; Quaternary Ammonium Compounds; Tooth; Urea | 1949 |
A molecular modeling approach defines a new group of Nodulin 26-like aquaporins in plants.
Topics: Amino Acid Sequence; Ammonia; Aquaglyceroporins; Biological Transport; Computer Simulation; Cytosol; Fabaceae; Glycerol; Membrane Proteins; Models, Molecular; Molecular Sequence Data; Plant Proteins; Solvents; Static Electricity; Urea; Water | 2008 |
Preparation of nano-iron oxide red pigment powders by use of cyanided tailings.
Topics: Ammonia; Coloring Agents; Cyanides; Ferric Compounds; Ferrous Compounds; Hydrogen-Ion Concentration; Industrial Waste; Nanoparticles; Nitric Acid; Oxidation-Reduction; Powders; Temperature; Urea | 2008 |
Automatic electrochemical micro-pH-stat for biomicrosystems.
Topics: Acetic Acid; Ammonia; Animals; Automation; Biosensing Techniques; Electrochemistry; Electrodes; Gastric Juice; Hydrogen-Ion Concentration; Iridium; Male; Pepsin A; Rats; Rats, Wistar; Silver; Silver Compounds; Time Factors; Trypsin; Urea; Urease | 2008 |
Mechanism of selectivity in aquaporins and aquaglyceroporins.
Topics: Ammonia; Animals; Aquaglyceroporins; Aquaporin 1; Aquaporins; Carbon Dioxide; Cattle; Computational Biology; Escherichia coli Proteins; Glycerol; Humans; Hydrophobic and Hydrophilic Interactions; Lipid Bilayers; Oxygen; Permeability; Point Mutation; Signal Transduction; Solutions; Thermodynamics; Urea; Water | 2008 |
Mitochondrial citrulline synthesis from ammonia and glutamine in the liver of ureogenic air-breathing catfish, Clarias batrachus (Linnaeus).
Topics: Ammonia; Animals; Biosynthetic Pathways; Carbonic Anhydrases; Catfishes; Citrulline; Glutamine; Mitochondria; Succinic Acid; Urea | 2007 |
Construction and performance of a minibioreactor suitable as experimental bioartificial liver.
Topics: Ammonia; Animals; Bioreactors; Cell Survival; Creatinine; Equipment Design; Goats; Hematocrit; Hepatocytes; Liver, Artificial; Male; Osmolar Concentration; Oxygen; Rats; Rats, Wistar; Time Factors; Urea | 2008 |
Rhesus glycoprotein and urea transporter genes are expressed in early stages of development of rainbow trout (Oncorhynchus mykiss).
Topics: Actins; Ammonia; Animals; Blood Proteins; Fish Proteins; Gene Expression Regulation, Developmental; Membrane Glycoproteins; Membrane Transport Proteins; Oncorhynchus mykiss; Peptide Elongation Factor 1; RNA, Messenger; Urea; Urea Transporters | 2008 |
Hepatic reconstruction from fetal porcine liver cells using a radial flow bioreactor.
Topics: Ammonia; Animals; Bile Ducts; Bioreactors; Cell Culture Techniques; Cell Differentiation; Cell Proliferation; Cell Shape; Connexins; Gap Junction beta-1 Protein; Gestational Age; Hepatocyte Growth Factor; Hepatocytes; Liver; Liver, Artificial; Microscopy, Electron, Transmission; Organoids; Oxygen Consumption; Rheology; Swine; Swine, Miniature; Tight Junctions; Time Factors; Urea | 2008 |
Albumin dialysis in critically ill patients: use versus omission of intradialytic heparin.
Topics: Adult; Aged; Albumins; Ammonia; Bilirubin; Contraindications; Creatinine; Dialysis; Dialysis Solutions; Disseminated Intravascular Coagulation; Female; Heparin; Humans; Liver Failure, Acute; Male; Middle Aged; Partial Thromboplastin Time; Sodium Chloride; Thrombocytopenia; Urea | 2008 |
Effect of undegradable intake protein supplementation on urea kinetics and microbial use of recycled urea in steers consuming low-quality forage.
Topics: Ammonia; Animal Feed; Animals; Caseins; Cattle; Dietary Proteins; Dietary Supplements; Digestion; Duodenum; Fermentation; Male; Nitrogen; Rumen; Urea | 2009 |
Effects of hypoxia on the energy status and nitrogen metabolism of African lungfish during aestivation in a mucus cocoon.
Topics: Adenosine Triphosphate; Ammonia; Animals; Energy Metabolism; Estivation; Fatty Acids, Nonesterified; Female; Fishes; Glutamate Dehydrogenase; Hypoxia; Liver; Male; Muscle, Skeletal; Nitrogen; Phosphocreatine; Urea | 2008 |
Effect of frequency and amount of rumen-degradable intake protein supplementation on urea kinetics and microbial use of recycled urea in steers consuming low-quality forage.
Topics: Ammonia; Animal Nutritional Physiological Phenomena; Animals; Blood Urea Nitrogen; Cattle; Dietary Proteins; Dietary Supplements; Digestion; Duodenum; Eating; Fermentation; Male; Nitrogen; Poaceae; Rumen; Time Factors; Urea | 2008 |
Effect of rumen-degradable intake protein supplementation on urea kinetics and microbial use of recycled urea in steers consuming low-quality forage.
Topics: Ammonia; Animal Nutritional Physiological Phenomena; Animals; Cattle; Dietary Proteins; Dietary Supplements; Digestion; Duodenum; Eating; Fermentation; Male; Nitrogen; Poaceae; Rumen; Urea | 2008 |
Molecular determinants of ammonia and urea conductance in plant aquaporin homologs.
Topics: Ammonia; Aquaporins; Arabidopsis Proteins; Biological Transport; Computer Simulation; Electric Conductivity; Membrane Proteins; Models, Molecular; Mutation; Plant Proteins; Urea | 2008 |
Identification of two major ammonia-releasing reactions involved in secondary natto fermentation.
Topics: Amino Acids; Ammonia; Fermentation; Glutamate Dehydrogenase; Glutamic Acid; Soy Foods; Soybean Proteins; Urea | 2008 |
The alkaline tide and ammonia excretion after voluntary feeding in freshwater rainbow trout.
Topics: Acid-Base Equilibrium; Ammonia; Animals; Arteries; Bicarbonates; Blood Gas Analysis; Blood Glucose; Feeding Behavior; Fresh Water; Hydrogen-Ion Concentration; Oncorhynchus mykiss; Postprandial Period; Titrimetry; Urea | 2008 |
[Modeling the ammonia volatilization from common urea and controlled releasing urea fertilizers in paddy soil of Taihui region of China by Jayaweera-Mikkelsen model].
Topics: Ammonia; Ecosystem; Fertilizers; Models, Theoretical; Oryza; Soil; Urea; Volatilization | 2008 |
Urea cycle enzymes through the development of pacu (Piaractus mesopotamicus): the role of ornithine carbamoyl transferase.
Topics: Ammonia; Animals; Blood Chemical Analysis; Embryo, Nonmammalian; Female; Fishes; Hydrogen-Ion Concentration; Kidney; Kinetics; Larva; Liver; Male; Ornithine Carbamoyltransferase; Temperature; Urea | 2008 |
Genetic variation in the urea cycle: a model resource for investigating key candidate genes for common diseases.
Topics: Ammonia; Arginase; Argininosuccinate Lyase; Argininosuccinate Synthase; Argininosuccinic Aciduria; Carbamoyl-Phosphate Synthase (Ammonia); Genetic Predisposition to Disease; Genetic Variation; Humans; Hyperargininemia; Ornithine Carbamoyltransferase; Ornithine Carbamoyltransferase Deficiency Disease; Polymorphism, Single-Stranded Conformational; Urea | 2009 |
Blueberry husks and multi-strain probiotics affect colonic fermentation in rats.
Topics: Acetic Acid; Ammonia; Animals; Bifidobacterium; Blueberry Plants; Cecum; Colon; Colony Count, Microbial; Dietary Fiber; Fatty Acids, Volatile; Feces; Fermentation; Flavonoids; Hydrogen-Ion Concentration; Lactobacillus; Male; Phenols; Polyphenols; Probiotics; Propionates; Rats; Rats, Wistar; Urea | 2009 |
Influence of slow-release urea on nitrogen balance and portal-drained visceral nutrient flux in beef steers.
Topics: Ammonia; Animal Nutritional Physiological Phenomena; Animals; Cattle; Dietary Supplements; Digestion; Gastrointestinal Contents; Hydrogen-Ion Concentration; Male; Nitrogen; Portal Vein; Urea; Viscera | 2009 |
Equilibrium studies on hydrolysis of urea in a semi-batch reactor for production of ammonia to reduce hazardous pollutants from flue gases.
Topics: Air Pollution; Ammonia; Gases; Hydrolysis; Industrial Waste; Urea | 2009 |
Inhibition factor of ammonification in stored urine with fecal contamination.
Topics: Ammonia; Feces; Humans; Hydrogen-Ion Concentration; Hydrolysis; Preservation, Biological; Urea; Urine; Waste Disposal, Fluid | 2008 |
Effect of orally administered urea on the ammonia and urea concentration in the blood of cattle and sheep, with observations on blood ammonia levels associated with symptoms of alkalosis.
Topics: Alkalosis; Ammonia; Animals; Blood; Cattle; Hematologic Tests; Humans; Sheep; Sheep, Domestic; Urea | 1948 |
Chemistry of palmar sweat; discussion of studies on chloride, urea, glucose, uric acid, ammonia nitrogen and creatinine.
Topics: Ammonia; Chlorides; Creatinine; Glucose; Ions; Nitrogen; Sweat; Urea; Uric Acid | 1948 |
The effectiveness of dentifrices, mouthwashes, and ammonia-urea compounds in the control of dental caries.
Topics: Ammonia; Ammonium Compounds; Dental Caries; Dentifrices; Female; Humans; Hygiene; Mouth; Mouthwashes; Oral Hygiene; Quaternary Ammonium Compounds; Syphilis; Tooth; Urea; Uterus | 1948 |
6,8-Diiodobenzoyleneurea, and the interaction of 5,7-dihalogenoisatoic anhydrides with ammonia and with ethylamine; 3-ethyl-6,8-dihalogenobenzoyleneureas.
Topics: Ammonia; Anhydrides; Ethylamines; Urea | 1947 |
Short communication: effect of changing the ratio of forage to concentrate on ammonia emissions by dairy heifers.
Topics: Ammonia; Animal Feed; Animals; Cattle; Dairying; Diet; Female; Manure; Random Allocation; Saccharomyces cerevisiae; Time Factors; Urea | 2008 |
Dietary supplementation with cholesterol and docosahexaenoic acid affects concentrations of amino acids in tissues of young pigs.
Topics: Amino Acids; Ammonia; Animals; Brain; Cholesterol; Dietary Supplements; Docosahexaenoic Acids; Female; Humans; Liver; Muscle, Skeletal; Sus scrofa; Urea | 2009 |
Inactivation of Ascaris eggs in source-separated urine and feces by ammonia at ambient temperatures.
Topics: Ammonia; Animals; Anthelmintics; Ascaris suum; Feces; Humans; Hydrogen-Ion Concentration; Sanitation; Survival Analysis; Temperature; Time Factors; Urea; Urine | 2009 |
Colonic luminal ammonia and portal blood L-glutamine and L-arginine concentrations: a possible link between colon mucosa and liver ureagenesis.
Topics: Ammonia; Ammonium Chloride; Animals; Arginine; Glutamate Dehydrogenase; Glutamate-Ammonia Ligase; Glutamine; Intestinal Mucosa; Liver; Portal Vein; Sus scrofa; Urea | 2009 |
Community composition of ammonia-oxidizing bacteria and archaea in rice field soil as affected by nitrogen fertilization.
Topics: Ammonia; Archaea; Bacteria; Electrophoresis; Fertilizers; Molecular Sequence Data; Nitrogen; Nitrosomonadaceae; Nitrosomonas; Oryza; Oxidation-Reduction; Oxidoreductases; Polymorphism, Restriction Fragment Length; Sequence Analysis, DNA; Soil Microbiology; Urea | 2009 |
Partitioning of nutrient net fluxes across the portal-drained viscera in sheep fed twice daily: effect of dietary protein degradability.
Topics: Amino Acids; Ammonia; Animals; Cross-Over Studies; Dietary Proteins; Digestion; Fatty Acids; Female; Hydrogen-Ion Concentration; Intestinal Absorption; Intestinal Mucosa; Nitrogen; Pisum sativum; Poaceae; Portal Vein; Random Allocation; Rumen; Seeds; Sheep; Time Factors; Urea | 2009 |
Urea transporter and glutamine synthetase regulation and localization in gulf toadfish gill.
Topics: Ammonia; Animals; Batrachoidiformes; Gene Expression Regulation; Gills; Glutamate-Ammonia Ligase; Hydrocortisone; Membrane Transport Proteins; Protein Isoforms; RNA, Messenger; Stress, Physiological; Urea; Urea Transporters | 2009 |
Morin a flavonoid exerts antioxidant potential in chronic hyperammonemic rats: a biochemical and histopathological study.
Topics: Ammonia; Animals; Antioxidants; Brain; Flavonoids; Hyperammonemia; Lipid Peroxidation; Liver; Male; Oxidative Stress; Rats; Rats, Wistar; Urea | 2009 |
Correlations of oral bacterial arginine and urea catabolism with caries experience.
Topics: Actinomyces; Adult; Ammonia; Arginine; Case-Control Studies; Dental Caries; Dental Plaque; Female; Humans; Hydrogen-Ion Concentration; Hydrolases; Hydrolysis; Male; Reverse Transcriptase Polymerase Chain Reaction; Saliva; Streptococcus gordonii; Streptococcus mutans; Streptococcus sanguis; Urea; Urease | 2009 |
Y-box binding protein-1 down-regulates expression of carbamoyl phosphate synthetase-I by suppressing CCAAT enhancer-binding protein-alpha function in mice.
Topics: Age Factors; Ammonia; Animals; Animals, Newborn; Base Sequence; Carbamoyl-Phosphate Synthase (Ammonia); CCAAT-Enhancer-Binding Proteins; Cells, Cultured; Chemical and Drug Induced Liver Injury; Disease Models, Animal; Down-Regulation; Gene Expression Profiling; Gene Expression Regulation, Developmental; Gene Expression Regulation, Enzymologic; Genes, Reporter; Gestational Age; Hepatocytes; Humans; Liver; Mice; Mice, Inbred C57BL; Molecular Sequence Data; Oligonucleotide Array Sequence Analysis; Promoter Regions, Genetic; Protein Binding; Time Factors; Transcription Factors; Transcription, Genetic; Transduction, Genetic; Urea | 2009 |
Nitrogen excretion in developing zebrafish (Danio rerio): a role for Rh proteins and urea transporters.
Topics: Ammonia; Animals; Blood Proteins; Cation Transport Proteins; Embryo, Nonmammalian; Female; Gene Expression Regulation, Developmental; Gills; Kidney; Male; Membrane Glycoproteins; Membrane Transport Proteins; Nitrogen; Oligonucleotides; RNA, Messenger; Skin; Urea; Urea Transporters; Yolk Sac; Zebrafish; Zebrafish Proteins | 2009 |
One liver for four children: first clinical series of liver cell transplantation for severe neonatal urea cycle defects.
Topics: Ammonia; Cell Transplantation; Cryopreservation; Hepatocytes; Humans; Infant; Infant, Newborn; Liver Transplantation; Ornithine Carbamoyltransferase Deficiency Disease; Portal Vein; Tissue Donors; Treatment Outcome; Urea | 2009 |
Increased gene expression of a facilitated diffusion urea transporter in the skin of the African lungfish (Protopterus annectens) during massively elevated post-terrestrialization urea excretion.
Topics: Acclimatization; Amino Acid Sequence; Ammonia; Animals; Base Sequence; Cloning, Molecular; DNA, Complementary; Facilitated Diffusion; Fish Proteins; Fishes; Gene Expression; Membrane Transport Proteins; Molecular Sequence Data; Phylogeny; Protein Structure, Tertiary; Sequence Analysis, Protein; Skin; Urea; Urea Transporters | 2009 |
Glutamine accumulation and up-regulation of glutamine synthetase activity in the swamp eel, Monopterus albus (Zuiew), exposed to brackish water.
Topics: Amino Acids; Ammonia; Animals; Chlorides; Fish Proteins; Glutamate-Ammonia Ligase; Glutamine; Osmolar Concentration; Osmotic Pressure; Potassium; Smegmamorpha; Sodium; Sodium Chloride; Up-Regulation; Urea; Water | 2009 |
Sanitation of faeces from source-separating dry toilets using urea.
Topics: Ammonia; Disinfection; Enterococcus; Feces; Humans; Salmonella; Salmonella Phages; Temperature; Urea | 2009 |
[Contents of nutrient elements in NH4(+)-N fertilizer and urea].
Topics: Ammonia; Fertilizers; Mass Spectrometry; Plants; Urea | 2009 |
Nitrogen excretion by the sheep abomasal parasite Teladorsagia circumcincta.
Topics: Amino Acids; Ammonia; Animals; Helminth Proteins; Hydrogen-Ion Concentration; Larva; Nitrogen Compounds; Sheep; Temperature; Trichostrongyloidea; Urea; Uric Acid | 2009 |
Improved functions of human hepatocytes on NH3 plasma-grafted PEEK-WC-PU membranes.
Topics: Albumins; Ammonia; Benzophenones; Diazepam; Hepatocytes; Humans; Ketones; Membranes, Artificial; Microscopy, Confocal; Polyethylene Glycols; Polymers; Polyurethanes; Spectrum Analysis; Urea | 2009 |
Production and storage of N-enriched co-compost.
Topics: Ammonia; Fertilizers; Metals, Heavy; Nitrogen; Product Packaging; Refuse Disposal; Soil; Soil Microbiology; Urea | 2009 |
Effects of glucose, propionic acid, and nonessential amino acids on glucose metabolism and milk yield in Holstein dairy cows.
Topics: Amino Acids; Ammonia; Animals; Cattle; Dairying; Eating; Fatty Acids; Fatty Acids, Volatile; Female; Gastrointestinal Contents; Glucose; Hydrogen-Ion Concentration; Lactation; Lactose; Milk; Propionates; Rumen; Sweetening Agents; Urea | 2009 |
Acute ammonia toxicity and the protective effects of methionine sulfoximine on the swamp eel, Monopterus albus.
Topics: Acetates; Acute Disease; Alanine Transaminase; Amino Acids; Ammonia; Animals; Brain; Enzyme Inhibitors; Female; Glutamate-Ammonia Ligase; Injections, Intraperitoneal; Liver; Male; Methionine Sulfoximine; Muscle, Skeletal; Smegmamorpha; Urea | 2009 |
Post-prandial metabolic alkalosis in the seawater-acclimated trout: the alkaline tide comes in.
Topics: Acid-Base Equilibrium; Ammonia; Animals; Bicarbonates; Blood Glucose; Feeding Behavior; Hydrogen-Ion Concentration; Intestinal Mucosa; Oncorhynchus mykiss; Postprandial Period; Seawater; Urea; Water Movements | 2009 |
Technical note: correction of net portal absorption of nitrogen compounds for differences in methods: first step of a meta-analysis.
Topics: Amino Acids; Ammonia; Animals; Cattle; Female; Intestinal Absorption; Meta-Analysis as Topic; Nitrogen; Sheep; Urea | 2009 |
Effects of crowding on ornithine-urea cycle enzyme mRNA expression and activity in gulf toadfish (Opsanus beta).
Topics: Ammonia; Animals; Arginase; Batrachoidiformes; Carbon-Nitrogen Ligases; Glutamate-Ammonia Ligase; Hydrocortisone; Liver; Lyases; Ornithine; Ornithine Carbamoyltransferase; Population Density; RNA, Messenger; Urea | 2009 |
A systems-level analysis of the effects of light quality on the metabolism of a cyanobacterium.
Topics: Adenosine Triphosphate; Ammonia; Arginine; Electron Transport Complex IV; Ferredoxins; Gene Expression Profiling; Gene Expression Regulation, Bacterial; Genes, Bacterial; Light; NADP; Oligonucleotide Array Sequence Analysis; Photosystem I Protein Complex; Photosystem II Protein Complex; RNA, Bacterial; Synechocystis; Urea | 2009 |
Physiological changes in Lymnaea columella (Say, 1817) (Mollusca, Gastropoda) in response to Echinostoma paraensei Lie and Basch, 1967 (Trematoda: Echinostomatidae) infection.
Topics: Ammonia; Animals; Carbohydrates; Digestive System; Echinostoma; Hemolymph; Host-Parasite Interactions; Lymnaea; Proteins; Time Factors; Urea; Uric Acid | 2009 |
Gastro-intestinal handling of water and solutes in three species of elasmobranch fish, the white-spotted bamboo shark, Chiloscyllium plagiosum, little skate, Leucoraja erinacea and the clear nose skate Raja eglanteria.
Topics: Ammonia; Animals; Bicarbonates; Calcium; Female; Gastrointestinal Tract; Hydrogen-Ion Concentration; Ion Transport; Kinetics; Magnesium; Male; Membrane Transport Proteins; Osmolar Concentration; RNA, Messenger; Seawater; Sharks; Skates, Fish; Urea; Urea Transporters; Water-Electrolyte Balance | 2010 |
Cytoplasmic histidine kinase (HP0244)-regulated assembly of urease with UreI, a channel for urea and its metabolites, CO2, NH3, and NH4(+), is necessary for acid survival of Helicobacter pylori.
Topics: Ammonia; Bacterial Proteins; Blotting, Western; Carbon Dioxide; Cytoplasm; Helicobacter pylori; Histidine Kinase; Hydrogen-Ion Concentration; Membrane Potentials; Membrane Transport Proteins; Mutagenesis; Periplasm; Protein Kinases; Quaternary Ammonium Compounds; Urea; Urease | 2010 |
Kinetic studies on hydrolysis of urea in a semi-batch reactor at atmospheric pressure for safe use of ammonia in a power plant for flue gas conditioning.
Topics: Air Pollutants; Ammonia; Bioreactors; Coal; Equipment Design; Gases; Glass; Hydrolysis; Kinetics; Particulate Matter; Power Plants; Pressure; Temperature; Urea | 2010 |
The freshwater Amazonian stingray, Potamotrygon motoro, up-regulates glutamine synthetase activity and protein abundance, and accumulates glutamine when exposed to brackish (15 per thousand) water.
Topics: Acclimatization; Ammonia; Analysis of Variance; Animals; Blotting, Western; Fresh Water; Gene Expression Regulation, Enzymologic; Glutamate-Ammonia Ligase; Glutamine; Liver; Muscle, Skeletal; Salinity; Skates, Fish; Urea | 2009 |
The responses of zebrafish (Danio rerio) to high external ammonia and urea transporter inhibition: nitrogen excretion and expression of rhesus glycoproteins and urea transporter proteins.
Topics: Age Factors; Amino Acid Sequence; Ammonia; Analysis of Variance; Animals; Antigens; Blood Proteins; Blotting, Western; Gene Expression Regulation; Gills; Immunohistochemistry; Membrane Glycoproteins; Membrane Transport Proteins; Molecular Sequence Data; Phloretin; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Urea; Urea Transporters; Zebrafish; Zebrafish Proteins | 2009 |
On the mechanism of urea-induced titania modification.
Topics: Ammonia; Catalysis; Formates; Light; Molecular Structure; Nitrogen; Photochemistry; Surface Properties; Thermodynamics; Titanium; Ultraviolet Rays; Urea | 2010 |
Glutamine synthetase in muscle is required for glutamine production during fasting and extrahepatic ammonia detoxification.
Topics: Alleles; Ammonia; Animals; Female; Food Deprivation; Genotype; Glutamate-Ammonia Ligase; Glutamine; Male; Mice; Mice, Transgenic; Muscle, Skeletal; Muscles; Sex Factors; Urea | 2010 |
Overexpression of SIRT5 confirms its involvement in deacetylation and activation of carbamoyl phosphate synthetase 1.
Topics: Acetylation; Amino Acid Sequence; Ammonia; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Enzyme Activation; Fasting; Hepatocytes; Mice; Mice, Knockout; Mice, Transgenic; Mitochondria, Liver; Molecular Sequence Data; Peptides; RNA, Messenger; Sirtuins; Up-Regulation; Urea | 2010 |
Responses of ammonia-oxidizing bacterial and archaeal populations to organic nitrogen amendments in low-nutrient groundwater.
Topics: Ammonia; Archaea; Archaeal Proteins; Bacteria; Bacterial Proteins; Cluster Analysis; Idaho; Molasses; Molecular Sequence Data; Nitrates; Oxidation-Reduction; Phylogeny; Sequence Analysis, DNA; Soil Microbiology; Urea; Water Microbiology | 2010 |
Changes of carboxyl-CO2 and of ammonia plus-urea nitrogen in saliva incubated with glucose.
Topics: Ammonia; Glucose; Nitrogen; Saliva; Urea | 1946 |
Synthesis and application of a new fluorous-tagged ammonia equivalent.
Topics: Amides; Ammonia; Benzamides; Benzyl Compounds; Carbamates; Combinatorial Chemistry Techniques; Dyspepsia; Hydrocarbons, Fluorinated; Indicators and Reagents; Iodides; Molecular Structure; Molybdenum; Nitrogen; Oxygen; Samarium; Sulfonamides; Urea | 2010 |
Prediction of ammonia emission from dairy cattle manure based on milk urea nitrogen: relation of milk urea nitrogen to ammonia emissions.
Topics: Ammonia; Animal Feed; Animals; Cattle; Dietary Proteins; Female; Lactation; Manure; Milk; Time Factors; Urea | 2010 |
Effects of urea treatment of straw and dietary level of vegetable oil on lactating dairy cows.
Topics: Acetic Acid; Ammonia; Analysis of Variance; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Blood Urea Nitrogen; Cattle; Diet; Eating; Female; Lactation; Milk; Plant Oils; Plant Stems; Rumen; Sunflower Oil; Urea | 2010 |
Feeder-independent continuous culture of the PICM-19 pig liver stem cell line.
Topics: Ammonia; Animals; Biomarkers; Cell Culture Techniques; Cell Differentiation; Cell Line; Collagen; Cytochrome P-450 CYP1A1; DNA Primers; Drug Combinations; Electrophoresis, Gel, Two-Dimensional; Embryonic Stem Cells; Laminin; Liver; Mass Spectrometry; Microscopy, Electron, Transmission; Proteoglycans; Reverse Transcriptase Polymerase Chain Reaction; Swine; Urea | 2010 |
Transplantation of immortalized human fetal hepatocytes prevents acute liver failure in 90% hepatectomized mice.
Topics: Ammonia; Animals; Antigens, Polyomavirus Transforming; Cell Differentiation; Cell Division; Genetic Vectors; Hepatectomy; Hepatocytes; Humans; Immunohistochemistry; Liver; Liver Failure, Acute; Mice; Plasmids; Retroviridae; Serum Albumin; Survivors; Transfection; Transplantation, Heterologous; Urea | 2010 |
Statistical modelling and optimization of hydrolysis of urea to generate ammonia for flue gas conditioning.
Topics: Ammonia; Gases; Hydrolysis; Models, Statistical; Temperature; Urea | 2010 |
[Effect of lignite humic acid on soil ammonia oxidizing archaea community].
Topics: Ammonia; Archaea; Humic Substances; Soil; Soil Microbiology; Urea | 2010 |
Effect of method of conservation of timothy on endogenous nitrogen flows in lactating dairy cows.
Topics: Ammonia; Animals; Cattle; Dairying; Diet; Feces; Female; Lactation; Nitrogen; Phleum; Urea | 2010 |
Ammonia and urea excretion in the Pacific hagfish Eptatretus stoutii: Evidence for the involvement of Rh and UT proteins.
Topics: Ammonia; Ammonium Chloride; Animals; Biological Transport; Blood Proteins; Blotting, Western; Hagfishes; Immunohistochemistry; Membrane Transport Proteins; Nitrogen; Pacific Ocean; Phloretin; Skin; Urea; Urea Transporters | 2010 |
Chemical excretions of angled bonefish Albula vulpes and their potential use as predation cues by juvenile lemon sharks Negaprion brevirostris.
Topics: Ammonia; Animals; Cues; Fishes; Predatory Behavior; Sharks; Stress, Physiological; Urea | 2010 |
Structural and functional role of nickel ions in urease by molecular dynamics simulation.
Topics: Ammonia; Biocatalysis; Carbamates; Catalytic Domain; Hydrolysis; Molecular Dynamics Simulation; Molecular Structure; Nickel; Surface Properties; Urea; Urease | 2011 |
Optimum conditions for microbial carbonate precipitation.
Topics: Ammonia; Calcium Carbonate; Carbonates; Chemical Precipitation; Hydrogen-Ion Concentration; Sporosarcina; Temperature; Urea; Urease | 2010 |
Cyclophosphamide-induced leakage of gastrointestinal ammonia into the common bloodstream in rats.
Topics: Ammonia; Animals; Antineoplastic Agents, Alkylating; Behavior, Animal; Cyclophosphamide; Dose-Response Relationship, Drug; Gastrointestinal Tract; Glutamine; Hyperammonemia; Injections, Intraperitoneal; Male; Rats; Toxicity Tests; Urea | 2011 |
Note on the effect of caffeine on ammonia and urea excretion in rabbits.
Topics: Ammonia; Animals; Biological Transport; Body Fluids; Caffeine; Rabbits; Urea | 1945 |
Ammonia, urea and dental caries.
Topics: Ammonia; Dental Caries; Humans; Tooth; Urea | 1946 |
Functional analysis of novel aquaporins from Fasciola gigantica.
Topics: Amino Acid Motifs; Amino Acid Sequence; Amino Acid Substitution; Ammonia; Animals; Aquaporins; Biological Transport; Conserved Sequence; DNA, Helminth; Fasciola; Glycerol; Immunohistochemistry; Methylamines; Molecular Sequence Data; Mutagenesis, Site-Directed; Oocytes; Phylogeny; Protein Isoforms; Sequence Alignment; Sequence Analysis, DNA; Sequence Homology, Amino Acid; Urea; Water; Xenopus | 2011 |
First example of hepatocyte transplantation to alleviate ornithine transcarbamylase deficiency, monitored by NMR-based metabonomics.
Topics: Ammonia; Hepatocytes; Humans; Infant; Infant, Newborn; Liver Transplantation; Magnetic Resonance Spectroscopy; Male; Metabolomics; Monitoring, Physiologic; Mutation; Ornithine Carbamoyltransferase Deficiency Disease; Sepsis; Treatment Outcome; Urea | 2009 |
Hyperammonemia in the pediatric emergency care setting.
Topics: Ammonia; Brain Damage, Chronic; Child; Child, Preschool; Consciousness Disorders; Critical Illness; Egypt; Emergency Medical Services; Emergency Service, Hospital; Female; Hospitals, University; Humans; Hyperammonemia; Infant; Infant, Newborn; Male; Matched-Pair Analysis; Metabolism, Inborn Errors; Muscle Spasticity; Pneumonia; Sepsis; Specimen Handling; Urea; Virus Diseases | 2010 |
New insights on the mechanisms of valproate-induced hyperammonemia: inhibition of hepatic N-acetylglutamate synthase activity by valproyl-CoA.
Topics: Acyl Coenzyme A; Amino-Acid N-Acetyltransferase; Ammonia; Animals; Anticonvulsants; Citrulline; Disease Models, Animal; Glutamates; Glutamine; Humans; Hyperammonemia; In Vitro Techniques; Liver; Male; Mice; Mice, Inbred C57BL; Models, Biological; Rats; Rats, Wistar; Urea; Valproic Acid | 2011 |
Alkalizing reactions streamline cellular metabolism in acidogenic microorganisms.
Topics: Acids; Adenosine Triphosphate; Alkalies; Ammonia; Bacteria; beta-Galactosidase; Carbonic Acid; Ecosystem; Energy Metabolism; Glycolysis; Hydrogen-Ion Concentration; Hydrolysis; L-Lactate Dehydrogenase; Microbial Viability; Streptococcus thermophilus; Urea; Urease | 2010 |
Dietary L-arginine supplementation enhances intestinal development and expression of vascular endothelial growth factor in weanling piglets.
Topics: Ammonia; Animals; Arginine; Dietary Supplements; Energy Metabolism; Glycine max; Hydrocortisone; Insulin; Intestinal Mucosa; Intestine, Small; Organ Size; Random Allocation; Swine; Urea; Vascular Endothelial Growth Factor A; Weaning; Weight Gain; Zea mays | 2011 |
Cypermethrin induced alterations in nitrogen metabolism in freshwater fishes.
Topics: Alanine Transaminase; Amino Acids; Ammonia; Animals; Arginase; Aspartate Aminotransferases; Fishes; Fresh Water; Glutamate Dehydrogenase; Glutamate-Ammonia Ligase; Insecticides; Nitrogen; Pyrethrins; Urea; Water Pollutants, Chemical | 2011 |
Ammonia redistribution from the gastrointestinal tract to general circulation after intraperitoneal injection of cyclophosphamide to rats.
Topics: Alanine Transaminase; Ammonia; Animals; Aspartate Aminotransferases; Cyclophosphamide; Dose-Response Relationship, Drug; Gastrointestinal Tract; Glutamine; Hyperammonemia; Injections, Intraperitoneal; L-Lactate Dehydrogenase; Male; Rats; Urea | 2010 |
Plant aquaporins with non-aqua functions: deciphering the signature sequences.
Topics: Ammonia; Aquaporins; Boron; Carbon Dioxide; Hydrogen Peroxide; Models, Molecular; Phylogeny; Plant Physiological Phenomena; Plant Proteins; Plants; Protein Processing, Post-Translational; Silicon; Urea | 2011 |
Influence of rutin on biochemical alterations in hyperammonemia in rats.
Topics: Administration, Oral; Ammonia; Animals; Antioxidants; Body Weight; Brain; Disease Models, Animal; Hyperammonemia; Kidney; Lipid Peroxidation; Liver; Liver Function Tests; Male; Molecular Structure; Oxidative Stress; Rats; Rats, Wistar; Rutin; Urea | 2012 |
Nitrososphaera viennensis, an ammonia oxidizing archaeon from soil.
Topics: Ammonia; Archaea; Autotrophic Processes; Marine Biology; Molecular Sequence Data; Nitrification; Soil Microbiology; Urea | 2011 |
[In-situ measurement on volatilization loss of ammonia in the vegetable field and its influencing factors].
Topics: Air Pollutants; Ammonia; China; Environmental Monitoring; Fertilizers; Urea; Vegetables; Volatilization | 2011 |
Efficiency of urease and nitrification inhibitors in reducing ammonia volatilization from diverse nitrogen fertilizers applied to different soil types and wheat straw mulching.
Topics: Agriculture; Aluminum Silicates; Ammonia; Clay; Enzyme Inhibitors; Fertilizers; Humic Substances; Hydrogen-Ion Concentration; Nitrates; Nitrification; Nitrogen; Organophosphorus Compounds; Plant Stems; Silicon Dioxide; Soil; Triticum; Urea; Urease; Volatilization | 2011 |
Optimization process parameters for in-situ synthesis of ammonia by catalytic hydrolysis of urea with fly ash in a batch reactor for safe feedstock in power plants.
Topics: Ammonia; Catalysis; Coal Ash; Hydrolysis; Multivariate Analysis; Power Plants; Regression Analysis; Urea | 2011 |
Effects of high environmental ammonia on branchial ammonia excretion rates and tissue Rh-protein mRNA expression levels in seawater acclimated Dungeness crab Metacarcinus magister.
Topics: Adenosine Triphosphatases; Amino Acid Sequence; Ammonia; Animals; Base Sequence; Brachyura; Cloning, Molecular; Environmental Exposure; Gene Expression; Gene Expression Regulation; Gills; In Vitro Techniques; Male; Membrane Transport Proteins; Models, Molecular; Molecular Sequence Data; Organ Specificity; Phylogeny; Protein Conformation; Seawater; Sequence Analysis, DNA; Sodium-Hydrogen Exchangers; Urea; Water-Electrolyte Balance | 2011 |
Influence of urea-calcium mixtures as rumen slow-release feed on in vitro fermentation using a gas production technique.
Topics: Ammonia; Animal Feed; Animals; Calcium; Carbohydrate Metabolism; Cattle; Fatty Acids, Volatile; Fermentation; Male; Nitrogen; Rumen; Urea | 2011 |
A weak base-generating system suitable for selective manipulation of lysosomal pH.
Topics: Ammonia; Animals; Cell Membrane Permeability; Chlorocebus aethiops; COS Cells; Cytosol; Electrolytes; Endocytosis; Endosomes; HeLa Cells; Humans; Hydrogen-Ion Concentration; Lysosomes; Tumor Cells, Cultured; Urea; Urease | 2011 |
Acute toxicity, behavioral and nitrogen metabolism changes of sodium cyanide affected on tissues of Tilapia mossambica (Perters).
Topics: Ammonia; Animals; Behavior, Animal; Gills; Lethal Dose 50; Liver; Muscle, Skeletal; Sodium Cyanide; Tilapia; Urea; Water Pollutants, Chemical | 2012 |
Short communication: Evaluation of milk urea nitrogen as a management tool to reduce ammonia emissions from dairy farms.
Topics: Ammonia; Animals; Cattle; Dairying; Environment; Environmental Pollution; Milk; Nitrogen; Urea | 2011 |
Metabolomic analysis reveals hepatic metabolite perturbations in citrin/mitochondrial glycerol-3-phosphate dehydrogenase double-knockout mice, a model of human citrin deficiency.
Topics: Ammonia; Animals; Calcium-Binding Proteins; Citric Acid Cycle; Disease Models, Animal; Electrophoresis, Capillary; Gas Chromatography-Mass Spectrometry; Glycerolphosphate Dehydrogenase; Glycolysis; Humans; Liver; Metabolome; Metabolomics; Mice; Mice, Inbred C57BL; Mice, Knockout; Mitochondria; Organic Anion Transporters; Pyruvic Acid; Sucrose; Urea | 2011 |
Body fluid osmolytes and urea and ammonia flux in the colon of two chondrichthyan fishes, the ratfish, Hydrolagus colliei, and spiny dogfish, Squalus acanthias.
Topics: Ammonia; Animals; Body Fluids; Carbohydrates; Caseins; Colon; Fishes; Gene Expression Regulation; Lipids; Membrane Transport Proteins; Nitrogen; Plant Proteins, Dietary; Protein Isoforms; Squalus acanthias; Urea; Urea Transporters | 2012 |
Stable overexpression of arginase I and ornithine transcarbamylase in HepG2 cells improves its ammonia detoxification.
Topics: Ammonia; Arginase; Argininosuccinate Lyase; Argininosuccinate Synthase; Cell Proliferation; Cell Survival; Gene Expression Regulation, Enzymologic; Glutamate-Ammonia Ligase; Glutamine; Hep G2 Cells; Humans; Liver, Artificial; Metabolic Engineering; Ornithine Carbamoyltransferase; Recombinant Proteins; Urea | 2012 |
Metabolic changes during a field experiment in a world-class windsurfing athlete: a trial with multivariate analyses.
Topics: Alanine; Amino Acids, Aromatic; Amino Acids, Branched-Chain; Ammonia; Athletes; Blood Chemical Analysis; Blood Glucose; Creatine Kinase; Creatinine; Diet; Dietary Supplements; Exercise; Glutamic Acid; Glutamine; Humans; Insulin; L-Lactate Dehydrogenase; Leukocyte Count; Male; Multivariate Analysis; Phosphates; Physical Exertion; Potassium; Stress, Physiological; Urea | 2011 |
A nose-to-nose comparison of the physiological and molecular responses of rainbow trout to high environmental ammonia in seawater versus freshwater.
Topics: Adaptation, Physiological; Ammonia; Analysis of Variance; Animals; Blood Glucose; Cation Transport Proteins; Fish Proteins; Fresh Water; Gills; Hydrocortisone; Oncorhynchus mykiss; Real-Time Polymerase Chain Reaction; Seawater; Urea | 2011 |
Radiosynthesis of [13N]dantrolene, a positron emission tomography probe for breast cancer resistant protein, using no-carrier-added [13N]ammonia.
Topics: Ammonia; ATP Binding Cassette Transporter, Subfamily G, Member 2; ATP-Binding Cassette Transporters; Blood-Brain Barrier; Breast Neoplasms; Cyclization; Dantrolene; Female; Humans; Isotope Labeling; Neoplasm Proteins; Nitrogen Radioisotopes; Phosgene; Positron-Emission Tomography; Radiopharmaceuticals; Urea | 2012 |
The relationship between NMDA receptor function and the high ammonia tolerance of anoxia-tolerant goldfish.
Topics: Ammonia; Animals; Brain; Dizocilpine Maleate; Excitatory Amino Acid Antagonists; Glutamine; Goldfish; Hypoxia; Nitrogen; Oncorhynchus mykiss; Patch-Clamp Techniques; Receptors, N-Methyl-D-Aspartate; Toxicity Tests, Acute; Urea; Water Pollutants, Chemical | 2011 |
Long-term outcome and intervention of urea cycle disorders in Japan.
Topics: Age of Onset; Ammonia; Female; Humans; Japan; Male; Ornithine Carbamoyltransferase Deficiency Disease; Prognosis; Survival Rate; Treatment Outcome; Urea; Urea Cycle Disorders, Inborn | 2012 |
Revisiting the effects of crowding and feeding in the gulf toadfish, Opsanus beta: the role of Rhesus glycoproteins in nitrogen metabolism and excretion.
Topics: Ammonia; Animals; Batrachoidiformes; Cloning, Molecular; Crowding; DNA, Complementary; Fish Proteins; Florida; Food Deprivation; Gastrointestinal Tract; Gene Expression Profiling; Gills; Glutamate-Ammonia Ligase; Membrane Glycoproteins; Molecular Sequence Data; Nitrogen; Phylogeny; Real-Time Polymerase Chain Reaction; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Sequence Analysis, DNA; Sequence Analysis, Protein; Urea | 2012 |
Interactions between cortisol and Rhesus glycoprotein expression in ureogenic toadfish, Opsanus beta.
Topics: Ammonia; Animals; Batrachoidiformes; Enzyme Inhibitors; Fish Proteins; Florida; Gene Expression Profiling; Gene Expression Regulation; Gills; Glutamate-Ammonia Ligase; Hydrocortisone; Injections, Intraperitoneal; Liver; Membrane Glycoproteins; Metyrapone; Phenotype; Protein Isoforms; Real-Time Polymerase Chain Reaction; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Stress, Physiological; Urea | 2012 |
Efficacy of oral L-ornithine L-aspartate in cirrhotic patients with hyperammonemic hepatic encephalopathy.
Topics: Administration, Oral; Ammonia; Dipeptides; Glutamine; Hepatic Encephalopathy; Humans; Hyperammonemia; Liver Cirrhosis; Quality of Life; Severity of Illness Index; Treatment Outcome; Urea | 2011 |
Is blood ammonia influenced by kidney function? A prospective study.
Topics: Adult; Aged; Aged, 80 and over; Ammonia; Bicarbonates; Creatinine; Glomerular Filtration Rate; Humans; Kidney; Middle Aged; Prospective Studies; Renal Dialysis; Renal Insufficiency, Chronic; Severity of Illness Index; Urea; Uremia; Young Adult | 2012 |
Embryonic development and metabolic costs in Gulf killifish Fundulus grandis exposed to varying environmental salinities.
Topics: Ammonia; Animals; Embryonic Development; Female; Fertilization; Fundulidae; Heart Rate; Male; Salinity; Urea | 2012 |
Microencapsulated Saccharomyces cerevisiae column bioreactor for potential use in renal failure uremia.
Topics: Ammonia; Animals; Bioreactors; Capsules; Cell Survival; Creatinine; Perfusion; Phosphates; Plasma; Rats; Renal Insufficiency; Renal Replacement Therapy; Saccharomyces cerevisiae; Urea; Uremia | 2012 |
Effect of Conclevan on endurance capacity in mice.
Topics: Ammonia; Animals; Blood Glucose; Corticosterone; Fatigue; Glutamine; Lactic Acid; Liver; Male; Mice; Physical Endurance; Riboflavin; Swimming; Thiamine; Tissue Extracts; Urea; Vitamin B 12; Vitamin B 6; Vitamin B Complex | 2012 |
A translational study "case report" on the small molecule "energy blocker" 3-bromopyruvate (3BP) as a potent anticancer agent: from bench side to bedside.
Topics: Adolescent; Ammonia; Antineoplastic Agents, Alkylating; Carcinoma, Hepatocellular; Energy Metabolism; Fatal Outcome; Fluorodeoxyglucose F18; Humans; Liver Neoplasms; Molecular Structure; Positron-Emission Tomography; Pyruvates; Translational Research, Biomedical; Urea; Uric Acid | 2012 |
Effect of time duration of ruminal urea infusions on ruminal ammonia concentrations and portal-drained visceral extraction of arterial urea-N in lactating Holstein cows.
Topics: Ammonia; Animals; Catheterization; Cattle; Diet; Eating; Female; Lactation; Nitrogen; Portal Vein; Rumen; Time Factors; Urea | 2012 |
Branchial and extra-branchial ammonia excretion in goldfish (Carassius auratus) following thermally induced gill remodeling.
Topics: Acclimatization; Ammonia; Animals; Gills; Goldfish; Hot Temperature; Urea | 2012 |
Ammonia volatilization from urea-application influenced germination and early seedling growth of dry direct-seeded rice.
Topics: Ammonia; Germination; Oryza; Urea; Volatilization | 2012 |
Slow cooling rate with a shock cooling program can effectively cryopreserve pig hepatocytes.
Topics: Adenosine; Allopurinol; Ammonia; Animals; Cell Separation; Cell Survival; Cells, Cultured; Cold Temperature; Cryopreservation; Cryoprotective Agents; Dimethyl Sulfoxide; Glutathione; Hepatocytes; Insulin; Male; Organ Preservation Solutions; Raffinose; Swine; Time Factors; Urea | 2012 |
Effectiveness of urease inhibition on the abatement of ammonia, nitrous oxide and nitric oxide emissions in a non-irrigated Mediterranean barley field.
Topics: Air Pollution; Ammonia; Enzyme Inhibitors; Fertilizers; Hordeum; Nitric Oxide; Nitrous Oxide; Organophosphorus Compounds; Urea; Urease | 2012 |
Nitrification of archaeal ammonia oxidizers in acid soils is supported by hydrolysis of urea.
Topics: Ammonia; Archaea; Denaturing Gradient Gel Electrophoresis; Genes, Archaeal; Genes, rRNA; Hydrolysis; Nitrification; Nitrogen Isotopes; Oxidation-Reduction; Phylogeny; Soil; Soil Microbiology; Trees; Urea | 2012 |
Contribution of urease to colonization by Shiga toxin-producing Escherichia coli.
Topics: Ammonia; Animals; Cecum; Colon; Escherichia coli Infections; Escherichia coli Proteins; Female; Gastrointestinal Tract; Gene Expression Regulation, Enzymologic; Hydrogen-Ion Concentration; Mice; Mice, Inbred BALB C; Mutation; Nitrogen; Shiga-Toxigenic Escherichia coli; Time Factors; Urea; Urease | 2012 |
Nitrogen excretion during embryonic development of the green iguana, Iguana iguana (Reptilia; Squamata).
Topics: Ammonia; Analysis of Variance; Animals; Iguanas; Nitrogen; Ovum; Urea; Uric Acid; Yolk Sac | 2012 |
Ammonia volatilization and availability of Cu, Zn induced by applications of urea with and without coating in soils.
Topics: Ammonia; Copper; Hydrogen-Ion Concentration; Soil; Urea; Volatilization; Zinc | 2012 |
Endogenous proteins in terminal ileal digesta of adult subjects fed a casein-based diet.
Topics: Adult; Algorithms; Ammonia; Bacterial Proteins; Caseins; Digestion; DNA; Female; Gastric Mucins; Gastrointestinal Contents; Humans; Ileum; Intestinal Mucosa; Male; Nitrogen; Peptide Fragments; Postprandial Period; Proteins; Solubility; Urea | 2012 |
Effects of ruminal casein and glucose on forage digestion and urea kinetics in beef cattle.
Topics: Ammonia; Animal Feed; Animals; Blood Glucose; Caseins; Cattle; Diet; Dietary Supplements; Digestion; Dose-Response Relationship, Drug; Eating; Glucose; Hydrogen-Ion Concentration; Kinetics; Male; Nitrogen; Rumen; Urea | 2012 |
Effects of supplemental energy and protein on forage digestion and urea kinetics in growing beef cattle.
Topics: Ammonia; Animal Feed; Animals; Blood Glucose; Caseins; Cattle; Diet; Dietary Supplements; Digestion; Dose-Response Relationship, Drug; Energy Intake; Fatty Acids, Volatile; Glucose; Kinetics; Male; Rumen; Urea | 2012 |
Carbon and nitrogen isotopic signatures and nitrogen profile to identify adulteration in organic fertilizers.
Topics: Ammonia; Carbon Isotopes; Databases, Factual; Discriminant Analysis; Fertilizers; Hydrogen-Ion Concentration; Nitrogen Isotopes; North America; Urea; Viscosity | 2012 |
Molecular and physiological responses to long-term sublethal ammonia exposure in Atlantic salmon (Salmo salar).
Topics: Amino Acids; Ammonia; Animals; Brain; Environmental Exposure; Fish Proteins; Gene Expression Regulation; Salmo salar; Time Factors; Urea; Water Pollutants, Chemical | 2012 |
The effect of urea and ammonia treatments on the survival of Salmonella spp. and Yersinia enterocolitica in pig slurry.
Topics: Ammonia; Animals; Disinfectants; Fertilizers; Manure; Microbial Viability; Salmonella; Swine; Temperature; Urea; Yersinia enterocolitica | 2013 |
Recurrent unexplained hyperammonemia in an adolescent with arginase deficiency.
Topics: Adolescent; Ammonia; Child; Hospitalization; Humans; Hyperammonemia; Hyperargininemia; Male; Recurrence; Urea | 2012 |
Effect of abomasal infusion of oligofructose on portal-drained visceral ammonia and urea-nitrogen fluxes in lactating Holstein cows.
Topics: Abomasum; Ammonia; Animals; Cattle; Female; Fermentation; Lactation; Nitrogen; Oligosaccharides; Urea | 2012 |
The Chinese soft-shelled turtle, Pelodiscus sinensis, excretes urea mainly through the mouth instead of the kidney.
Topics: Amino Acid Sequence; Ammonia; Animals; Biological Transport; Gastrointestinal Tract; Kidney; Membrane Transport Proteins; Mouth; Mouth Mucosa; Phloretin; Phylogeny; RNA, Messenger; Saliva; Sequence Alignment; Turtles; Urea; Urea Transporters | 2012 |
Aggravation of cyclophosphamide-induced acute neurological disorders under conditions of artificial acidification of chyme in rats.
Topics: Acute Disease; Administration, Oral; Ammonia; Animals; Boric Acids; Cyclophosphamide; Gastric Juice; Gastric Mucosa; Glutamine; Hydrochloric Acid; Hydrogen-Ion Concentration; Hyperammonemia; Lactic Acid; Male; Neurotoxicity Syndromes; Rats; Stomach; Sulfuric Acids; Survival Rate; Urea | 2012 |
Catabolism of amino acids in livers from cafeteria-fed rats.
Topics: Amino Acids; Ammonia; Animals; Aspartate Aminotransferases; Blood Glucose; Cholesterol; Diet, High-Fat; Energy Intake; Glutamate Dehydrogenase; In Vitro Techniques; Lactic Acid; Lipid Metabolism; Liver; Male; Obesity, Abdominal; Oxygen Consumption; Rats; Rats, Wistar; Triglycerides; Urea | 2013 |
Integrating cellular metabolism into a multiscale whole-body model.
Topics: Acetaminophen; Allopurinol; Ammonia; Chemical and Drug Induced Liver Injury; Computational Biology; Computer Simulation; Hepatocytes; Humans; Hyperuricemia; Inactivation, Metabolic; Liver; Metabolism; Models, Biological; Urea; Urea Cycle Disorders, Inborn; Uric Acid | 2012 |
Differential responses in ammonia excretion, sodium fluxes and gill permeability explain different sensitivities to acute high environmental ammonia in three freshwater teleosts.
Topics: Ammonia; Animals; Fishes; Fresh Water; Gills; Hydrocortisone; Sodium; Urea; Water Pollutants, Chemical | 2013 |
Introducing classics.
Topics: Ammonia; Animals; Biology; Editorial Policies; Fishes; Gills; History, 20th Century; History, 21st Century; Periodicals as Topic; Urea | 2013 |
The humble beginnings of the study of nitrogen excretion in fish.
Topics: Amino Acids; Ammonia; Animals; Fishes; Gills; History, 20th Century; Nitrogen; Urea | 2013 |
Ammonia detoxification via ureagenesis in rat hepatocytes involves mitochondrial aquaporin-8 channels.
Topics: Ammonia; Animals; Aquaporins; Cells, Cultured; Glucagon; Hepatocytes; Inactivation, Metabolic; Male; Mitochondria, Liver; Mitochondrial Membranes; Models, Animal; Rats; Rats, Wistar; RNA, Small Interfering; Transfection; Up-Regulation; Urea | 2013 |
Unimolecular reactivity of the [urea-Sr]2+ complex, a metastable dication in the gas phase: an experimental and theoretical perspective.
Topics: Ammonia; Coordination Complexes; Cyanates; Gases; Models, Molecular; Quantum Theory; Spectrometry, Mass, Electrospray Ionization; Strontium; Thermodynamics; Urea | 2013 |
The Chinese soft-shelled turtle, Pelodiscus sinensis, decreases nitrogenous excretion, reduces urea synthesis and suppresses ammonia production during emersion.
Topics: Amino Acids; Ammonia; Animal Shells; Animals; Arginase; Argininosuccinate Lyase; Argininosuccinate Synthase; Body Weight; China; Chlorides; Glutamate Dehydrogenase; Glutamate-Ammonia Ligase; Hematocrit; Immersion; Kidney; Liver; Nitrogen; Osmolar Concentration; Sodium; Turtles; Urea | 2013 |
Regulation of amino acid metabolism as a defensive strategy in the brain of three freshwater teleosts in response to high environmental ammonia exposure.
Topics: Amino Acids; Ammonia; Animals; Brain; Carps; Environmental Exposure; Fish Proteins; Glutamine; Goldfish; Inactivation, Metabolic; Mass Spectrometry; Oncorhynchus mykiss; Species Specificity; Time Factors; Urea; Water Pollutants, Chemical | 2013 |
Effects of acute-liver-failure-plasma exposure on hepatic functionality of HepaRG-AMC-bioartificial liver.
Topics: Amino Acids; Ammonia; Animals; Apolipoprotein A-I; Cell Line, Tumor; Cytochrome P-450 CYP3A; Disease Models, Animal; Gene Expression Regulation; Glucose; Humans; Liver; Liver Failure, Acute; Liver, Artificial; Rats; Rats, Wistar; Severity of Illness Index; Time Factors; Transcription, Genetic; Urea | 2013 |
Ammonia in breath and emitted from skin.
Topics: Adult; Ammonia; Breath Tests; Creatinine; Exhalation; Female; Humans; Hydrogen-Ion Concentration; Ions; Male; Middle Aged; Mouth; Nose; Quaternary Ammonium Compounds; Saliva; Skin; Spectrum Analysis; Urea | 2013 |
Cold storage of rat hepatocyte spheroids.
Topics: Adenosine; Albumins; Allopurinol; Ammonia; Animals; Cell Survival; Cold Temperature; Culture Media, Serum-Free; Cyclosporine; Cytochrome P-450 Enzyme System; Deferoxamine; Glutathione; Hepatocytes; Insulin; Organ Preservation Solutions; Raffinose; Rats; Spheroids, Cellular; Time Factors; Urea | 2014 |
Immunohistochemical localization of urea and ammonia transporters in two confamilial fish species, the ureotelic gulf toadfish (Opsanus beta) and the ammoniotelic plainfin midshipman (Porichthys notatus).
Topics: Ammonia; Animals; Antibodies; Batrachoidiformes; Blotting, Western; Dogs; Fish Proteins; Glycoproteins; Immunohistochemistry; Madin Darby Canine Kidney Cells; Membrane Transport Proteins; Reproducibility of Results; Sodium-Potassium-Exchanging ATPase; Transformation, Genetic; Urea; Urea Transporters | 2013 |
Emissions of NO and NH3 from a typical vegetable-land soil after the application of chemical N fertilizers in the Pearl River Delta.
Topics: Agriculture; Air Pollutants; Ammonia; Analysis of Variance; Atmosphere; Bicarbonates; China; Fertilizers; Nitrates; Nitric Oxide; Rivers; Soil; Urea; Volatilization | 2013 |
Movement of NH₃ through the human urea transporter B: a new gas channel.
Topics: 4-Chloromercuribenzenesulfonate; Amino Acid Substitution; Ammonia; Animals; Carbon Dioxide; Gases; Humans; Hydrogen-Ion Concentration; Membrane Transport Proteins; Molecular Dynamics Simulation; Oocytes; Osmosis; Permeability; Phloretin; Urea; Urea Transporters; Water; Xenopus | 2013 |
Ontogeny of ornithine-urea cycle gene expression in zebrafish (Danio rerio).
Topics: Aging; Ammonia; Animals; Base Sequence; Carbon-Nitrogen Ligases; Digoxigenin; Embryo, Nonmammalian; Gene Expression; Gene Silencing; In Situ Hybridization, Fluorescence; Molecular Sequence Data; Ornithine; Real-Time Polymerase Chain Reaction; RNA Probes; Urea; Zebrafish | 2013 |
Giardia duodenalis arginine deiminase modulates the phenotype and cytokine secretion of human dendritic cells by depletion of arginine and formation of ammonia.
Topics: Ammonia; Antigens, CD; Arginine; B7-2 Antigen; CD83 Antigen; Dendritic Cells; Giardia lamblia; Humans; Hydrolases; Immunoglobulins; Interleukin-10; Interleukin-12 Subunit p40; Lipopolysaccharides; Membrane Glycoproteins; Phenotype; Phosphorylation; Ribosomal Protein S6 Kinases; Signal Transduction; TOR Serine-Threonine Kinases; Tumor Necrosis Factor-alpha; Urea | 2013 |
Nitrogen metabolism of the intestine during digestion in a teleost fish, the plainfin midshipman (Porichthys notatus).
Topics: Ammonia; Animals; Batrachoidiformes; Digestion; Fasting; Feeding Behavior; Gene Expression Regulation; Immunohistochemistry; Intestinal Mucosa; Intestines; Microvilli; Nitrogen; RNA, Messenger; Urea | 2013 |
Cutaneous nitrogen excretion in the African clawed frog Xenopus laevis: effects of high environmental ammonia (HEA).
Topics: Ammonia; Analysis of Variance; Animals; Biological Transport; DNA Primers; Environmental Exposure; Male; Models, Biological; Nitrogen; Real-Time Polymerase Chain Reaction; Skin; Sodium-Potassium-Exchanging ATPase; Theophylline; Urea; Xenopus laevis | 2013 |
TK1656, a thermostable l-asparaginase from Thermococcus kodakaraensis, exhibiting highest ever reported enzyme activity.
Topics: Amino Acid Sequence; Ammonia; Asparaginase; Asparagine; Aspartic Acid; Biocatalysis; Cloning, Molecular; Enzyme Stability; Escherichia coli; Guanidine; Hydrogen-Ion Concentration; Kinetics; Molecular Sequence Data; Protein Denaturation; Protein Unfolding; Temperature; Thermococcus; Urea | 2013 |
Modulation of Rh glycoproteins, ammonia excretion and Na+ fluxes in three freshwater teleosts when exposed chronically to high environmental ammonia.
Topics: Ammonia; Animals; Carps; Environmental Exposure; Fish Proteins; Fishes; Fresh Water; Gene Expression Regulation; Gills; Glycoproteins; Goldfish; Hydrocortisone; Membrane Transport Proteins; Oncorhynchus mykiss; Potassium; Proton-Translocating ATPases; RNA, Messenger; Sodium; Sodium-Potassium-Exchanging ATPase; Urea; Urea Transporters | 2013 |
Characteristics of NO cycle coupling with urea cycle in non-hyperammonemic carriers of ornithine transcarbamylase deficiency.
Topics: Amino Acids; Ammonia; Child, Preschool; Endothelin-1; Female; Heterozygote; Humans; Infant; Infant, Newborn; Male; Metabolic Networks and Pathways; Nitric Oxide; Ornithine Carbamoyltransferase Deficiency Disease; Urea | 2013 |
Waste nitrogen metabolism and excretion in zebrafish embryos: effects of light, ammonia, and nicotinamide.
Topics: Ammonia; Animals; Embryo, Nonmammalian; Light; Muscle, Skeletal; Niacinamide; Nitrogen; Urea; Zebrafish | 2013 |
Urea synthesis and excretion in Aedes aegypti mosquitoes are regulated by a unique cross-talk mechanism.
Topics: Aedes; Ammonia; Animals; Arginase; Fat Body; Female; Gene Expression Regulation, Enzymologic; Gene Knockdown Techniques; Insect Proteins; Malpighian Tubules; Metabolic Networks and Pathways; NG-Nitroarginine Methyl Ester; Nitric Oxide Synthase; RNA Interference; Urate Oxidase; Urea; Vitellogenesis | 2013 |
Simazine degradation in bioaugmented soil: urea impact and response of ammonia-oxidizing bacteria and other soil bacterial communities.
Topics: Ammonia; Arthrobacter; Biodegradation, Environmental; Fertilizers; Herbicides; Nitrogen; Polymorphism, Restriction Fragment Length; Simazine; Soil; Soil Microbiology; Urea | 2014 |
Ammonia clearance with haemofiltration in adults with liver disease.
Topics: Adult; Ammonia; Female; Hemodiafiltration; Humans; Hyperammonemia; Liver Failure; Male; Middle Aged; Models, Biological; Prospective Studies; Time Factors; Treatment Outcome; Urea | 2014 |
Effects of chlorimuron-ethyl application with or without urea fertilization on soil ammonia-oxidizing bacteria and archaea.
Topics: Ammonia; Archaea; Bacteria; Fertilizers; Herbicides; Hydrogen-Ion Concentration; Nitrification; Nitrogen; Oxidoreductases; Pyrimidines; Real-Time Polymerase Chain Reaction; Soil; Soil Microbiology; Soil Pollutants; Sulfonylurea Compounds; Temperature; Urea | 2013 |
Effects of dietary fibre and protein on urea transport across the cecal mucosa of piglets.
Topics: Ammonia; Analysis of Variance; Animals; Biological Transport; Cecum; Chromatography, Gas; Dietary Fiber; Dietary Proteins; Hydrogen-Ion Concentration; Intestinal Mucosa; Patch-Clamp Techniques; Sus scrofa; Urea | 2013 |
Rh proteins and NH4(+)-activated Na+-ATPase in the Magadi tilapia (Alcolapia grahami), a 100% ureotelic teleost fish.
Topics: Adenosine Triphosphatases; Ammonia; Animals; Calcium; Cation Transport Proteins; Environmental Exposure; Enzyme Activation; Erythrocytes; Fish Proteins; Gene Expression Regulation; Immunohistochemistry; Ions; Magnesium; Membrane Glycoproteins; Models, Biological; Oxygen Consumption; Phylogeny; RNA, Messenger; Tilapia; Urea | 2013 |
Effects of ammonia and urea in vitro on mRNA of candidate bovine endometrial genes.
Topics: Ammonia; Animals; Cattle; Cell Proliferation; Culture Media; Dose-Response Relationship, Drug; Endometrium; Female; Real-Time Polymerase Chain Reaction; RNA, Messenger; Tissue Culture Techniques; Urea | 2013 |
Cortisol emphasizes the metabolic strategies employed by common carp, Cyprinus carpio at different feeding and swimming regimes.
Topics: Ammonia; Animals; Blood Glucose; Carps; Energy Metabolism; Feeding Behavior; Fish Proteins; Glycogen; Hydrocortisone; Lactic Acid; Lipid Metabolism; Liver; Muscle, Skeletal; Oxygen Consumption; Stress, Physiological; Swimming; Urea | 2013 |
Effects of feeding wheat or corn-wheat dried distillers grains with solubles in low- or high-crude protein diets on ruminal function, omasal nutrient flows, urea-N recycling, and performance in cows.
Topics: Ammonia; Animal Feed; Animals; Cattle; Diet; Dietary Proteins; Edible Grain; Female; Fermentation; Lactation; Milk; Omasum; Rumen; Triticum; Urea; Zea mays | 2013 |
The effect of dissolved organic matter (DOM) on sodium transport and nitrogenous waste excretion of the freshwater cladoceran (Daphnia magna) at circumneutral and low pH.
Topics: Ammonia; Analysis of Variance; Animals; Biological Transport; Cell Membrane; Chelating Agents; Daphnia; Fresh Water; Humic Substances; Hydrogen-Ion Concentration; Nitrogen; Organic Chemicals; Sodium; Urea; Water Pollutants, Chemical | 2013 |
Therapeutic evaluation of a microbioartificial liver with recombinant HepG2 cells for rats with hepatic failure.
Topics: Ammonia; Animals; Arginase; Bioreactors; Galactosamine; Hep G2 Cells; Humans; Implants, Experimental; Infusion Pumps, Implantable; Liver Failure; Liver, Artificial; Male; Miniaturization; Ornithine-Oxo-Acid Transaminase; Oxidation-Reduction; Random Allocation; Rats; Rats, Sprague-Dawley; Recombinant Fusion Proteins; Urea | 2013 |
Modified insulator semiconductor electrode with functionalized nanoparticles for Proteus mirabilis bacteria biosensor development.
Topics: Ammonia; Animals; Biosensing Techniques; Cattle; Electrochemical Techniques; Electrodes; Ferrosoferric Oxide; Glutaral; Hydrogen-Ion Concentration; Kinetics; Magnetite Nanoparticles; Polyamines; Proteus mirabilis; Semiconductors; Serum Albumin, Bovine; Silicon; Silicon Compounds; Silicon Dioxide; Urea; Urease | 2013 |
Simultaneous recovery of dual pathways for ammonia metabolism do not improve further detoxification of ammonia in HepG2 cells.
Topics: Ammonia; Arginase; Biotransformation; Cell Cycle; Cell Proliferation; Gene Expression Regulation, Enzymologic; Gene Expression Regulation, Neoplastic; Glutamate-Ammonia Ligase; Hep G2 Cells; Humans; Liver Neoplasms; Ornithine Carbamoyltransferase; Transfection; Urea | 2013 |
Ammonia sanitisation of sewage sludge using urea.
Topics: Ammonia; Disinfection; Enterococcus; Enterococcus faecalis; Hydrogen-Ion Concentration; Salmonella; Salmonella typhimurium; Sewage; Temperature; Urea | 2013 |
Gene context analysis reveals functional divergence between hypothetically equivalent enzymes of the purine-ureide pathway.
Topics: Agrobacterium tumefaciens; Amino Acid Sequence; Aminohydrolases; Ammonia; Arabidopsis Proteins; Bacterial Proteins; Escherichia coli Proteins; Evolution, Molecular; Glycine; Kinetics; Metabolic Networks and Pathways; Molecular Dynamics Simulation; Molecular Sequence Data; Mutation; Phylogeny; Purines; Sequence Homology, Amino Acid; Stereoisomerism; Urea; Ureohydrolases | 2014 |
Metabolic and embryonic responses to terrestrial incubation of Fundulus grandis embryos across a temperature gradient.
Topics: Adaptation, Physiological; Adenosine Triphosphate; Air; Ammonia; Animals; Embryo, Nonmammalian; Embryonic Development; Fundulidae; Heart Rate; Lactic Acid; Nitrogen; Temperature; Urea | 2014 |
Nitrogen utilization and metabolism in Ruminococcus albus 8.
Topics: Ammonia; Bacterial Proteins; Gene Expression Regulation, Bacterial; Nitrogen; Ruminococcus; Urea | 2014 |
Lipopolysaccharide impairs hepatocyte ureagenesis from ammonia: involvement of mitochondrial aquaporin-8.
Topics: Ammonia; Animals; Aquaporins; Biological Transport; Cells, Cultured; Glucagon; Hepatocytes; Lipopolysaccharides; Male; Methylamines; Mitochondria, Liver; Rats; Rats, Wistar; Urea | 2014 |
Expansion of urease- and uricase-containing, indole- and p-cresol-forming and contraction of short-chain fatty acid-producing intestinal microbiota in ESRD.
Topics: Adult; Aged; Ammonia; Cresols; Diet; Fatty Acids, Volatile; Female; Humans; Indican; Indoles; Inflammation; Intestines; Kidney Failure, Chronic; Male; Microbiota; Middle Aged; Sulfuric Acid Esters; Urate Oxidase; Urea; Urease | 2014 |
Pannexin1 as a novel cerebral target in pathogenesis of hepatic encephalopathy.
Topics: Ammonia; Brain; Connexins; Energy Metabolism; Glutamic Acid; Heart Arrest; Hepatic Encephalopathy; Humans; Hyperammonemia; Ion Transport; Liver Failure, Acute; Molecular Targeted Therapy; Nerve Tissue Proteins; Nervous System Diseases; Nitric Oxide; Nitric Oxide Synthase Type I; Oxidative Stress; Receptors, N-Methyl-D-Aspartate; Stroke; Urea | 2014 |
Effects on milk urea concentration, urine output, and drinking water intake from incremental doses of potassium bicarbonate fed to mid-lactation dairy cows.
Topics: Ammonia; Animals; Bicarbonates; Cattle; Diet; Dietary Fiber; Dietary Supplements; Dose-Response Relationship, Drug; Drinking; Fatty Acids, Volatile; Female; Lactation; Linear Models; Milk; Poaceae; Potassium Compounds; Rumen; Silage; Urea | 2014 |
Glycine is a nutritionally essential amino acid for maximal growth of milk-fed young pigs.
Topics: Adenosine Triphosphatases; Amino Acid Transport Systems; Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Animals, Newborn; Body Composition; Body Weight; Dietary Supplements; Glutamine; Glutathione; Glycine; Glycine Plasma Membrane Transport Proteins; Jejunum; Milk; Protein Transport; Random Allocation; RNA, Messenger; Serine; Swine; Urea; Weight Gain | 2014 |
Survival of Ascaris suum and Ascaridia galli eggs in liquid manure at different ammonia concentrations and temperatures.
Topics: Ammonia; Animals; Ascaridia; Ascaris suum; Female; Hydrogen-Ion Concentration; Manure; Ovum; Swine; Temperature; Urea | 2014 |
Modulation of sheep ruminal urea transport by ammonia and pH.
Topics: Ammonia; Animals; Biological Transport; Carbon Dioxide; Dose-Response Relationship, Drug; Fatty Acids, Volatile; Female; Hydrogen-Ion Concentration; Membrane Transport Proteins; Protons; Rumen; Sheep; Signal Transduction; Urea; Urea Transporters | 2014 |
Aberrant expression and distribution of enzymes of the urea cycle and other ammonia metabolizing pathways in dogs with congenital portosystemic shunts.
Topics: Ammonia; Ammonium Chloride; Animals; Cells, Cultured; Dogs; Gene Expression Regulation; Glutamate-Ammonia Ligase; Hepatocytes; Immunohistochemistry; Liver; Metabolic Networks and Pathways; Oligonucleotide Array Sequence Analysis; Portal Vein; RNA, Messenger; Signal Transduction; Urea; Vascular Malformations | 2014 |
Transfer of blood urea nitrogen to cecal microbial nitrogen is increased by fructo-oligosaccharide feeding in guinea pigs.
Topics: Ammonia; Animal Feed; Animals; Bacteria; Blood Urea Nitrogen; Cecum; Fatty Acids, Volatile; Fructose; Glucose; Guinea Pigs; Intestinal Absorption; Male; Nitrates; Nitrogen; Oligosaccharides; Proteins; Tissue Distribution; Urea | 2015 |
Physiological and biochemical strategies for withstanding emersion in two galaxiid fishes.
Topics: Air; Ammonia; Animals; Carbon Dioxide; Nitrogen; Osmeriformes; Oxygen Consumption; Sodium-Potassium-Exchanging ATPase; Urea | 2014 |
Soil biochemical responses to nitrogen addition in a bamboo forest.
Topics: Acid Phosphatase; Ammonia; Analysis of Variance; Atmosphere; Biomass; Catalase; China; Denitrification; Forests; Monophenol Monooxygenase; Nitrification; Nitrogen; Peroxidase; Sasa; Soil; Soil Microbiology; Urea | 2014 |
Influence of environmental hypertonicity on the induction of ureogenesis and amino acid metabolism in air-breathing walking catfish (Clarias batrachus, Bloch).
Topics: Air; Amino Acids; Ammonia; Animals; Catfishes; Diuretics, Osmotic; Environment; Hypertonic Solutions; Mannitol; Ornithine; Osmosis; Respiration; Urea; Walking | 2014 |
The origin of mouth-exhaled ammonia.
Topics: Adult; Ammonia; Breath Tests; Disinfectants; Exhalation; Fasting; Female; Humans; Hydrogen-Ion Concentration; Male; Middle Aged; Mouth; Reproducibility of Results; Saliva; Urea; Young Adult | 2014 |
A nonenzymatic biosensor based on gold electrodes modified with peptide self-assemblies for detecting ammonia and urea oxidation.
Topics: Ammonia; Biosensing Techniques; Electrochemical Techniques; Electrodes; Gold; Oxidation-Reduction; Particle Size; Peptides; Surface Properties; Urea | 2014 |
Modifications of biochemical parameters related to protein metabolism and renal function in male soccer players after a match.
Topics: Adult; Ammonia; Biomarkers; Creatinine; Glomerular Filtration Rate; Humans; Kidney; Male; Muscle Proteins; Soccer; Urea; Uric Acid | 2014 |
Effect of acute and chronic excesses of dietary nitrogen on blood neutrophil functions in cattle.
Topics: Ammonia; Animals; Cattle; Cross-Over Studies; Diet; Dietary Proteins; Glycine max; Hematocrit; Male; Neutrophils; Nitrogen; Urea | 2014 |
Effect of urea inclusion in diets containing corn dried distillers grains on feedlot cattle performance, carcass characteristics, ruminal fermentation, total tract digestibility, and purine derivatives-to-creatinine index.
Topics: Ammonia; Animal Feed; Animals; Body Composition; Cattle; Creatinine; Diet; Dietary Supplements; Digestion; Fermentation; Gastrointestinal Tract; Purines; Rumen; Urea; Zea mays | 2015 |
Bi-functionality of Opisthorchis viverrini aquaporins.
Topics: Amino Acid Sequence; Ammonia; Animals; Aquaporins; Cloning, Molecular; Cricetinae; Ecosystem; Gene Expression Regulation, Developmental; Glycerol; Methylamines; Molecular Sequence Data; Oocytes; Opisthorchis; Permeability; Protein Transport; Sequence Analysis; Urea; Water; Xenopus | 2015 |
Hypo-osmotic stress-induced physiological and ion-osmoregulatory responses in European sea bass (Dicentrarchus labrax) are modulated differentially by nutritional status.
Topics: Adaptation, Physiological; Ammonia; Animals; Bass; Energy Metabolism; Fish Proteins; Gene Expression; Gills; Lactic Acid; Muscle, Skeletal; Nutritional Status; Osmoregulation; Osmotic Pressure; Stress, Physiological; Urea | 2015 |
The effects of strain and ploidy on the physiological responses of rainbow trout (Oncorhynchus mykiss) to pH 9.5 exposure.
Topics: Ammonia; Animals; Body Weight; Brain; Hydrogen-Ion Concentration; Muscles; Oncorhynchus mykiss; Ploidies; Urea | 2015 |
Physiological and molecular responses of the spiny dogfish shark (Squalus acanthias) to high environmental ammonia: scavenging for nitrogen.
Topics: Amino Acid Sequence; Ammonia; Animals; Base Sequence; Diet; DNA, Complementary; Gills; Glycoproteins; Kidney; Molecular Sequence Data; Nitrogen; Proton-Translocating ATPases; Seawater; Sodium-Potassium-Exchanging ATPase; Squalus acanthias; Urea | 2015 |
Hexadecane-induced hyperkeratinization of guinea pig skin. IV. A comparison of free amino acid levels in normal and hyperkeratotic epidermis.
Topics: Alkanes; Amino Acids; Ammonia; Animals; Epidermis; Guinea Pigs; Keratosis; Male; Nitrogen; Urea | 1966 |
Comparison of inflammatory responses and muscle damage indices following a soccer, basketball, volleyball and handball game at an elite competitive level.
Topics: Adult; Ammonia; Basketball; Biomarkers; C-Reactive Protein; Case-Control Studies; Creatine Kinase; Cytokines; Humans; Hydrocortisone; Inflammation; Male; Muscle, Skeletal; Oxidative Stress; Soccer; Urea; Volleyball | 2015 |
In situ nitrogen mineralization, nitrification, and ammonia volatilization in maize field fertilized with urea in Huanghuaihai region of northern China.
Topics: Agriculture; Ammonia; China; Fertilizers; Nitrification; Nitrogen; Soil; Urea; Volatilization; Zea mays | 2015 |
Phylogenetically distinct phylotypes modulate nitrification in a paddy soil.
Topics: Ammonia; Archaea; Bacteria; Biota; Cluster Analysis; DNA, Archaeal; DNA, Bacterial; DNA, Ribosomal; Isotope Labeling; Molecular Sequence Data; Nitrates; Nitrification; Oryza; Oxidation-Reduction; Phylogeny; RNA, Ribosomal, 16S; Sequence Analysis, DNA; Soil Microbiology; Urea | 2015 |
Ammonia sanitization of blackwater for safe use as fertilizer.
Topics: Ammonia; Animals; Ascaris; Calcium Compounds; Disinfection; Enterococcus; Enterococcus faecalis; Escherichia coli; Escherichia coli O157; Fertilizers; Oxides; Salmonella; Salmonella typhimurium; Sweden; Temperature; Urea; Wastewater | 2015 |
Evaluation of between-cow variation in milk urea and rumen ammonia nitrogen concentrations and the association with nitrogen utilization and diet digestibility in lactating cows.
Topics: Ammonia; Animals; Body Weight; Cattle; Diet; Dietary Proteins; Digestion; Female; Lactation; Milk; Nitrogen; Poaceae; Rumen; Silage; Urea | 2015 |
Selective catalytic reduction operation with heavy fuel oil: NOx, NH3, and particle emissions.
Topics: Ammonia; Catalysis; Fuel Oils; Nanoparticles; Nitrogen Oxides; Particle Size; Particulate Matter; Ships; Sulfur; Temperature; Urea; Vehicle Emissions | 2015 |
Nitrogen metabolism, acid-base regulation, and molecular responses to ammonia and acid infusions in the spiny dogfish shark (Squalus acanthias).
Topics: Acid-Base Equilibrium; Ammonia; Ammonium Chloride; Analysis of Variance; Animals; Bicarbonates; DNA Primers; Gene Expression Regulation; Hydrochloric Acid; Membrane Glycoproteins; Nitrogen; Polymerase Chain Reaction; Sodium Chloride; Spectrophotometry, Atomic; Squalus acanthias; Urea | 2015 |
Adverse effect of urease on salt stress during seed germination in Arabidopsis thaliana.
Topics: Ammonia; Arabidopsis; Arabidopsis Proteins; Enzyme Inhibitors; Germination; Mutation; Organophosphorus Compounds; Plant Roots; Plants, Genetically Modified; Salt Tolerance; Salt-Tolerant Plants; Seeds; Urea; Urease | 2015 |
Ammonia and urea excretion in the swimming crab Portunus trituberculatus exposed to elevated ambient ammonia-N.
Topics: Ammonia; Animals; Crustacea; Environmental Exposure; Gills; Hemolymph; Microtubules; Nitrogen; Urea | 2015 |
Improving Lowland Rice (O. sativa L. cv. MR219) Plant Growth Variables, Nutrients Uptake, and Nutrients Recovery Using Crude Humic Substances.
Topics: Ammonia; Crops, Agricultural; Humic Substances; Oryza; Soil; Urea | 2015 |
Physiological and molecular responses of the goldfish (Carassius auratus) kidney to metabolic acidosis, and potential mechanisms of renal ammonia transport.
Topics: Alanine Transaminase; Ammonia; Animals; Biological Transport; Glomerular Filtration Rate; Glycoproteins; Goldfish; Hydrogen-Ion Concentration; Kidney; Kidney Tubules; Lactic Acid; Phosphates; RNA, Messenger; Sodium; Urea | 2015 |
D-Galactosamine Intoxication in Experimental Animals: Is it Only an Experimental Model of Acute Liver Failure?
Topics: Acute Kidney Injury; Alanine Transaminase; Albumins; Ammonia; Animals; Aspartate Aminotransferases; Bilirubin; Creatinine; Disease Models, Animal; Galactosamine; Hepatocytes; Injections, Intraperitoneal; Liver Failure; Osmolar Concentration; Proteinuria; Rats; Rats, Sprague-Dawley; Specific Gravity; Statistics, Nonparametric; Urea | 2015 |
The Study of Carbamoyl Phosphate Synthetase 1 Deficiency Sheds Light on the Mechanism for Switching On/Off the Urea Cycle.
Topics: Ammonia; Carbamoyl-Phosphate Synthase (Ammonia); Carbamoyl-Phosphate Synthase I Deficiency Disease; Enzyme Stability; Glutamates; Humans; Kinetics; Molecular Dynamics Simulation; Mutation; Protein Structure, Tertiary; Signal Transduction; Urea | 2015 |
Application effects of coated urea and urease and nitrification inhibitors on ammonia and greenhouse gas emissions from a subtropical cotton field of the Mississippi delta region.
Topics: Agriculture; Air Pollution; Ammonia; Fertilizers; Gossypium; Mississippi; Nitrification; Soil; Urea; Urease | 2015 |
Mechanism of ammonia excretion in the freshwater leech Nephelopsis obscura: characterization of a primitive Rh protein and effects of high environmental ammonia.
Topics: Ammonia; Animals; Carrier Proteins; Eating; Environment; Fresh Water; Hydrogen-Ion Concentration; Leeches; Saccharomyces cerevisiae; Skin; Sodium-Potassium-Exchanging ATPase; Urea | 2015 |
Acidosis-induced downregulation of hepatocyte mitochondrial aquaporin-8 and ureagenesis from ammonia.
Topics: Acidosis; Ammonia; Animals; Aquaporins; Cells, Cultured; Down-Regulation; Male; Mitochondria; Rats; Rats, Wistar; Urea | 2015 |
Estimating fermentative amino acid catabolism in the small intestine of growing pigs.
Topics: Amino Acids; Ammonia; Animal Feed; Animals; Diet; Dietary Fiber; Dietary Proteins; Fermentation; Ileum; Intestine, Small; Male; Nitrogen; Swine; Urea | 2015 |
Mathematical Model of Ammonia Handling in the Rat Renal Medulla.
Topics: Algorithms; Ammonia; Ammonium Compounds; Animals; Computer Simulation; Hydrogen-Ion Concentration; Kidney Medulla; Kidney Tubules, Collecting; Loop of Henle; Models, Biological; Rats; Sodium Chloride; Urea; Water | 2015 |
Expanded metabolic versatility of ubiquitous nitrite-oxidizing bacteria from the genus Nitrospira.
Topics: Ammonia; Bacteria; Bacterial Proteins; Ecosystem; Formate Dehydrogenases; Formates; Fresh Water; Genome, Bacterial; Metagenome; Molecular Sequence Data; Nitrates; Nitrites; Nitrogen Cycle; Oxidation-Reduction; Oxygen; Sequence Analysis, DNA; Sewage; Soil Microbiology; Urea; Urease | 2015 |
Low degradable protein supply to increase nitrogen efficiency in lactating dairy cows and reduce environmental impacts at barn level.
Topics: Ammonia; Animals; Cattle; Diet, Protein-Restricted; Dietary Proteins; Eating; Environment; Female; Housing, Animal; Lactation; Manure; Methane; Milk; Milk Proteins; Nitric Oxide; Nitrogen; Urea | 2016 |
Optimality in the zonation of ammonia detoxification in rodent liver.
Topics: Ammonia; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Computer Simulation; Glutamate-Ammonia Ligase; Glutaminase; Glutamine; Hepatocytes; Immunohistochemistry; Inactivation, Metabolic; Liver; Male; Mice; Mice, Inbred C57BL; Urea | 2015 |
Effect of slow-release urea inclusion in diets containing modified corn distillers grains on total tract digestibility and ruminal fermentation in feedlot cattle.
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Cattle; Creatinine; Diet; Dietary Supplements; Digestion; Fermentation; Rumen; Urea; Zea mays | 2015 |
Dietary fibre-rich resistant starches promote ammonia detoxification in the human colon as measured by lactose-[¹⁵N₂]ureide.
Topics: Adult; Ammonia; Colon; Dietary Carbohydrates; Dietary Fiber; Dietary Supplements; Feces; Female; Humans; Lactose; Male; Nitrogen; Nitrogen Isotopes; Pisum sativum; Solanum tuberosum; Urea; Young Adult; Zea mays | 2015 |
Structure of human carbamoyl phosphate synthetase: deciphering the on/off switch of human ureagenesis.
Topics: Amino Acid Motifs; Ammonia; Animals; Baculoviridae; Carbamoyl-Phosphate Synthase (Ammonia); Carbamoyl-Phosphate Synthase I Deficiency Disease; Carbamyl Phosphate; Cloning, Molecular; Crystallography, X-Ray; Gene Expression; Glutamates; Humans; Models, Molecular; Molecular Sequence Data; Mutation; Phosphorylation; Protein Structure, Secondary; Protein Structure, Tertiary; Recombinant Proteins; Sf9 Cells; Spodoptera; Substrate Specificity; Urea | 2015 |
Differential modulation of ammonia excretion, Rhesus glycoproteins and ion-regulation in common carp (Cyprinus carpio) following individual and combined exposure to waterborne copper and ammonia.
Topics: Ammonia; Animals; Blood Proteins; Carps; Copper; Environmental Exposure; Gills; Ions; Muscle, Skeletal; RNA, Messenger; Sodium; Sodium-Potassium-Exchanging ATPase; Up-Regulation; Urea; Vacuolar Proton-Translocating ATPases; Water Pollutants, Chemical | 2016 |
Sanitising black water by auto-thermal aerobic digestion (ATAD) combined with ammonia treatment.
Topics: Aerobiosis; Ammonia; Animals; Ascaris suum; Bacteriophages; Enterococcus; Escherichia coli; Feces; Hot Temperature; Humans; Hydrogen-Ion Concentration; Salmonella; Urea; Water; Water Microbiology; Water Purification | 2015 |
Effects of short-term hyper- and hypo-osmotic exposure on the osmoregulatory strategy of unfed North Pacific spiny dogfish (Squalus suckleyi).
Topics: Ammonia; Animals; Chlorides; Osmoregulation; Osmosis; Salinity; Salt Gland; Seawater; Sodium; Sodium-Potassium-Exchanging ATPase; Squalus; Urea; Water-Electrolyte Balance | 2016 |
[Nitrogen Loss Through Different Ways in Cropland Under Conventional Fertilization: An In-situ Study of Summer Maize Season in the Middle and Lower Reaches of the Yangtze River].
Topics: Agriculture; Ammonia; China; Crops, Agricultural; Fertilizers; Nitrogen; Soil; Urea; Volatilization; Zea mays | 2015 |
Designing a reusable system based on nanodiamonds for biochemical determination of urea.
Topics: Ammonia; Hydrolysis; Nanodiamonds; Urea; Urease | 2015 |
Recapitulation of metabolic defects in a model of propionic acidemia using patient-derived primary hepatocytes.
Topics: Actins; Amino Acids, Branched-Chain; Ammonia; Carbon-Carbon Ligases; Cells, Cultured; Child; Fibroblasts; Hemodynamics; Hepatocytes; Humans; Isoleucine; Liver; Methylmalonyl-CoA Decarboxylase; Mutation; Propionic Acidemia; Urea; Valine | 2016 |
Control of ammonia and urea emissions from urea manufacturing facilities of Petrochemical Industries Company (PIC), Kuwait.
Topics: Air Pollutants; Air Pollution; Ammonia; Environmental Monitoring; Kuwait; Manufacturing and Industrial Facilities; Urea | 2016 |
Study on pyrolysis characteristics of lignocellulosic biomass impregnated with ammonia source.
Topics: Acetates; Ammonia; Ammonium Sulfate; Biomass; Carbon Monoxide; Charcoal; Fertilizers; Heterocyclic Compounds; Hydrogen; Lignin; Oryza; Phenols; Urea | 2016 |
Isolation of 'Candidatus Nitrosocosmicus franklandus', a novel ureolytic soil archaeal ammonia oxidiser with tolerance to high ammonia concentration.
Topics: Ammonia; Archaea; Bacteria; Nitrification; Oxidation-Reduction; Phylogeny; RNA, Archaeal; RNA, Ribosomal, 16S; Scotland; Soil Microbiology; Urea | 2016 |
Use of Nitrogen Isotope To Determine Fertilizer- and Soil-Derived Ammonia Volatilization in a Rice/Wheat Rotation System.
Topics: Agriculture; Ammonia; Fertilizers; Nitrogen; Nitrogen Isotopes; Oryza; Soil; Triticum; Urea | 2016 |
Efficiency of lysine utilization by growing steers.
Topics: Abomasum; Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Butyrates; Cattle; Diet; Dietary Supplements; Energy Metabolism; Glucose; Glycine max; Lysine; Male; Molasses; Propionates; Urea | 2016 |
Effect of ruminal ammonia supply on lysine utilization by growing steers.
Topics: Abomasum; Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Butyrates; Cattle; Diet; Dietary Supplements; Glucose; Leucine; Lysine; Propionates; Urea | 2016 |
Pollen-Specific Aquaporins NIP4;1 and NIP4;2 Are Required for Pollen Development and Pollination in Arabidopsis thaliana.
Topics: Ammonia; Arabidopsis; Arabidopsis Proteins; Biological Transport; Boric Acids; Gene Expression Regulation, Plant; Hydrogen Peroxide; Pollen; Pollination; Urea | 2016 |
The influence of dissolved organic matter (DOM) on sodium regulation and nitrogenous waste excretion in the zebrafish (Danio rerio).
Topics: Ammonia; Animals; Branchial Region; Carbon; Drinking Behavior; Humic Substances; Hydrogen-Ion Concentration; Kinetics; Nitrogen; Organic Chemicals; Permeability; Polyethylene Glycols; Potassium; Sodium; Solubility; Tritium; Urea; Zebrafish | 2016 |
A rare cause of postpartum coma: isolated hyperammonemia due to urea cycle disorder.
Topics: Ammonia; Coma; Female; Humans; Hyperammonemia; Ornithine Carbamoyltransferase Deficiency Disease; Postpartum Period; Urea; Urea Cycle Disorders, Inborn | 2016 |
Oxidation of urea-derived nitrogen by thaumarchaeota-dominated marine nitrifying communities.
Topics: Alaska; Ammonia; Ammonium Compounds; Antarctic Regions; Archaea; Nitrification; Nitrogen; Nitrogen Cycle; Oxidation-Reduction; Urea; Urease | 2017 |
Fluorometric enzymatic assay of l-arginine.
Topics: Ammonia; Arginase; Arginine; Enzyme Assays; Fluorometry; Humans; o-Phthalaldehyde; Spectrometry, Fluorescence; Urea | 2017 |
[Function of zinc in liver disease].
Topics: Ammonia; Glutamine; Humans; Liver Diseases; Urea; Zinc | 2016 |
Nitrous oxide emission related to ammonia-oxidizing bacteria and mitigation options from N fertilization in a tropical soil.
Topics: Ammonia; Fertilizers; Greenhouse Gases; Microbiota; Nitrogen Cycle; Nitrogen Fixation; Nitrous Oxide; Soil; Soil Microbiology; Tropical Climate; Urea | 2016 |
Chrysin, a flavonoid attenuates histological changes of hyperammonemic rats: A dose dependent study.
Topics: Ammonia; Animals; Bilirubin; Biomarkers; Body Weight; Brain; Creatinine; Dose-Response Relationship, Drug; Flavonoids; Glutamic Acid; Glutamine; Hyperammonemia; Kidney; Liver; Male; Models, Biological; Nitric Oxide; Rats, Wistar; Sodium-Potassium-Exchanging ATPase; Urea; Uric Acid | 2016 |
The Metabolic Responses to L-Glutamine of Livers from Rats with Diabetes Types 1 and 2.
Topics: Alanine; Ammonia; Animals; Diabetes Mellitus, Type 1; Diabetes Mellitus, Type 2; Gluconeogenesis; Glucose; Glutamine; Glycogen; Lactic Acid; Liver; Male; Oxygen; Rats; Rats, Wistar; Urea | 2016 |
Biochemical pathways of breath ammonia (NH3) generation in patients with end-stage renal disease undergoing hemodialysis.
Topics: Adult; Aged; Ammonia; Biochemical Phenomena; Breath Tests; Female; Humans; Kidney Failure, Chronic; Male; Middle Aged; Renal Dialysis; Reproducibility of Results; Saliva; Statistics, Nonparametric; Urea | 2016 |
Nitrogen metabolism in tambaqui (Colossoma macropomum), a neotropical model teleost: hypoxia, temperature, exercise, feeding, fasting, and high environmental ammonia.
Topics: Ammonia; Animals; Characiformes; Environment; Feeding Behavior; Gills; Hypoxia; Kidney; Nitrogen; Oxygen Consumption; Physical Conditioning, Animal; Temperature; Urea | 2017 |
Effects of dicyandiamide and acetylene on N
Topics: Acetylene; Ammonia; Bacteria; Betaproteobacteria; Guanidines; Nitrification; Nitrogen Oxides; Oxidation-Reduction; Soil; Soil Microbiology; Urea | 2016 |
Evolution of increased larval competitive ability in Drosophila melanogaster without increased larval feeding rate.
Topics: Adaptation, Physiological; Ammonia; Animals; Biological Evolution; Competitive Behavior; Crowding; Drosophila; Drosophila melanogaster; Feeding Behavior; Female; Genotype; Larva; Male; Phenotype; Population Density; Pupa; Quantitative Trait, Heritable; Selection, Genetic; Species Specificity; Stress, Physiological; Urea | 2016 |
Dehydroepiandrosterone Supplementation Combined with Whole-Body Vibration Training Affects Testosterone Level and Body Composition in Mice.
Topics: Ammonia; Animals; Body Composition; Creatine Kinase; Dehydroepiandrosterone; Dietary Supplements; Glycogen; Humans; Lactic Acid; Liver; Male; Mice; Mice, Inbred C57BL; Muscle Fatigue; Muscle Strength; Muscle, Skeletal; Nitrogen; Physical Conditioning, Animal; Resistance Training; Swimming; Testosterone; Urea; Vibration | 2016 |
Feeding through your gills and turning a toxicant into a resource: how the dogfish shark scavenges ammonia from its environment.
Topics: Amiloride; Ammonia; Animals; Carbon Radioisotopes; Dogfish; Environment; Gills; Hydrogen-Ion Concentration; Male; Methionine Sulfoximine; Methylamines; Nitrogen; Potassium; Seawater; Urea; Water | 2016 |
Changes of ammonia, urea contents and transaminase activity in the body during aerial exposure and ammonia loading in Chinese loach Paramisgurnus dabryanus.
Topics: Air; Alanine Transaminase; Ammonia; Animals; Aspartate Aminotransferases; Brain; Cypriniformes; Fish Proteins; Liver; Muscles; Urea | 2017 |
A breath ammonia analyser for monitoring patients with end-stage renal disease on haemodialysis.
Topics: Adult; Ammonia; Breath Tests; Female; Glomerular Filtration Rate; Humans; Kidney Failure, Chronic; Male; Pilot Projects; Renal Dialysis; Saliva; Urea | 2017 |
A waterborne chemical cue from Gulf toadfish, Opsanus beta, prompts pulsatile urea excretion in conspecifics.
Topics: Ammonia; Animal Communication; Animals; Batrachoidiformes; Cues; Gills; Hydrocortisone; Nitrogen; Reaction Time; Seawater; Serotonin; Urea | 2017 |
Short communication: Urea hydrolysis in dairy cattle manure under different temperature, urea, and pH conditions.
Topics: Ammonia; Animals; Cattle; Hydrogen-Ion Concentration; Hydrolysis; Manure; Temperature; Urea | 2017 |
Potential of Mean Force Calculations of Solute Permeation Across UT-B and AQP1: A Comparison between Molecular Dynamics and 3D-RISM.
Topics: Ammonia; Aquaporin 1; Membrane Transport Proteins; Methanol; Molecular Dynamics Simulation; Oxygen; Permeability; Protein Binding; Statistics as Topic; Urea; Urea Transporters; Water | 2017 |
Farnesoid X Receptor Activation Promotes Hepatic Amino Acid Catabolism and Ammonium Clearance in Mice.
Topics: Ammonia; Animals; Bile Acids and Salts; Chenodeoxycholic Acid; Dietary Proteins; Gene Expression; Glutamine; Hepatocytes; Liver; Male; Metabolome; Mice; Mice, Inbred C57BL; Mice, Knockout; Proteome; Rats; Rats, Wistar; Receptors, Cytoplasmic and Nuclear; Urea | 2017 |
The activity of the carbamoyl phosphate synthase 1 promoter in human liver-derived cells is dependent on hepatocyte nuclear factor 3-beta.
Topics: Ammonia; Base Sequence; Binding Sites; Carbamoyl-Phosphate Synthase (Ammonia); Cell Line, Tumor; Gene Expression Regulation; Hepatocyte Nuclear Factor 3-beta; Humans; Inactivation, Metabolic; Liver; Nucleotides; Promoter Regions, Genetic; Protein Binding; RNA, Small Interfering; Transcription, Genetic; Urea | 2017 |
Molecular characterization of two Rhesus glycoproteins from the euryhaline freshwater white-rimmed stingray, Himantura signifer, and changes in their transcript levels and protein abundance in the gills, kidney, and liver during brackish water acclimation
Topics: Ammonia; Animals; Cloning, Molecular; Fish Proteins; Fresh Water; Gene Expression Regulation; Gills; Glycoproteins; Kidney; Liver; Osmoregulation; Protein Conformation; Rh-Hr Blood-Group System; RNA, Messenger; Saline Waters; Salinity; Salt Tolerance; Sequence Analysis, DNA; Sequence Analysis, Protein; Skates, Fish; Structure-Activity Relationship; Transcription, Genetic; Urea | 2017 |
Proximal tubule glutamine synthetase expression is necessary for the normal response to dietary protein restriction.
Topics: Adaptation, Physiological; Ammonia; Animals; Biomarkers; Cation Transport Proteins; Diet, Protein-Restricted; Dietary Proteins; Genotype; Glutamate-Ammonia Ligase; Glycoproteins; Kidney Tubules, Proximal; Male; Membrane Glycoproteins; Membrane Transport Proteins; Mice, Inbred C57BL; Mice, Knockout; Phenotype; Renal Elimination; Time Factors; Urea | 2017 |
Reducing nitrogen losses through ammonia volatilization and surface runoff to improve apparent nitrogen recovery of double cropping of late rice using controlled release urea.
Topics: Agriculture; Ammonia; Fertilizers; Nitrogen; Oryza; Soil; Urea; Volatilization | 2017 |
Unique mitochondrial localization of arginase 1 and 2 in hepatocytes of air-breathing walking catfish, Clarias batrachus and their differential expression patterns under hyper-ammonia stress.
Topics: Ammonia; Animals; Arginase; Catfishes; Cells, Cultured; Fish Proteins; Hepatocytes; Mitochondrial Proteins; Stress, Physiological; Urea | 2017 |
Flue-gas desulfurization gypsum effects on urea-degrading bacteria and ammonia volatilization from broiler litter.
Topics: Air Pollutants; Air Pollution; Ammonia; Animals; Bacteria; Biodegradation, Environmental; Calcium Sulfate; Chickens; Floors and Floorcoverings; Manure; Urea; Volatilization | 2017 |
Cross-Regulation of an Artificial Metalloenzyme.
Topics: Ammonia; Biocatalysis; Biomimetics; Canavalia; Enrofloxacin; Hydrogen-Ion Concentration; Hydrogenase; Metalloproteins; Urea; Urease | 2017 |
Generation of carbamoyl phosphate synthetase 1 reporter cell lines for the assessment of ammonia metabolism.
Topics: Albumins; Ammonia; Carbamoyl-Phosphate Synthase (Ammonia); CCAAT-Enhancer-Binding Proteins; Cell Line, Transformed; CRISPR-Cas Systems; Cytochrome P-450 Enzyme System; Founder Effect; Gene Editing; Gene Expression Regulation; Genes, Reporter; Hep G2 Cells; Hepatocyte Nuclear Factor 4; High-Throughput Screening Assays; Humans; Inactivation, Metabolic; Liver, Artificial; Luminescent Proteins; Phenylbutyrates; Red Fluorescent Protein; Resveratrol; Small Molecule Libraries; Stilbenes; Urea | 2017 |
Estimation of clinical parameters of chronic kidney disease by exhaled breath full-scan mass spectrometry data and iterative PCA with intensity screening algorithm.
Topics: Adult; Aged; Aged, 80 and over; Algorithms; Ammonia; Breath Tests; Exhalation; Female; Humans; Male; Mass Spectrometry; Middle Aged; Onium Compounds; Principal Component Analysis; Renal Insufficiency, Chronic; Serum Albumin; Urea | 2017 |
Numerical analysis of ammonia homogenization for selective catalytic reduction application.
Topics: Ammonia; Catalysis; Gases; Oxidation-Reduction; Urea; Vehicle Emissions; Water | 2017 |
Long-term sustainability of microbial-induced CaCO
Topics: Ammonia; Bacteria; Calcium Carbonate; Chemical Precipitation; Environmental Restoration and Remediation; Hydrolysis; Oxidation-Reduction; Soil; Solubility; Urea; Water | 2017 |
Nitrogen release from urea with different coatings.
Topics: Air Pollution; Ammonia; Fertilizers; Gases; Soil; Urea; Urease | 2018 |
Urea removal coupled with enhanced electricity generation in single-chambered microbial fuel cells.
Topics: Ammonia; Bioelectric Energy Sources; Electricity; Electrodes; Nitrogen; Urea; Wastewater; Water Pollutants, Chemical; Water Purification | 2017 |
Nitrogen from ammonia is as efficient as that from free amino acids or protein for improving growth performance of pigs fed diets deficient in nonessential amino acid nitrogen.
Topics: Amino Acids; Ammonia; Animal Feed; Animals; Body Weight; Diet; Dietary Supplements; Energy Metabolism; Female; Glycine max; Nitrogen; Random Allocation; Swine; Urea | 2017 |
Characterizing ammonia emissions from horses fed different crude protein concentrations.
Topics: Ammonia; Animal Feed; Animals; Diet; Dietary Proteins; Feces; Horses; Male; Nitrogen; Paspalum; Temperature; Triticum; Urea; Urine | 2017 |
Effect of metabolic stressors on survival and growth of in vitro cultured ovine preantral follicles and enclosed oocytes.
Topics: 3-Hydroxybutyric Acid; Ammonia; Animals; Fatty Acids, Nonesterified; Female; Oocytes; Ovarian Follicle; Sheep; Tissue Culture Techniques; Urea | 2017 |
Quantitation of phenylbutyrate metabolites by UPLC-MS/MS demonstrates inverse correlation of phenylacetate:phenylacetylglutamine ratio with plasma glutamine levels.
Topics: Ammonia; Argininosuccinic Aciduria; Chromatography, Liquid; Female; Glutamine; Glycerol; Humans; Limit of Detection; Male; Middle Aged; Ornithine Carbamoyltransferase Deficiency Disease; Phenylacetates; Phenylbutyrates; Tandem Mass Spectrometry; Urea; Urea Cycle Disorders, Inborn | 2017 |
First report of urease activity in the novel systemic fungal pathogen Emergomyces africanus: a comparison with the neurotrope Cryptococcus neoformans.
Topics: AIDS-Related Opportunistic Infections; Ammonia; Ascomycota; Cryptococcus neoformans; Enzyme Activation; Humans; Kinetics; Mycoses; Spores, Fungal; Urea; Urease; Virulence Factors | 2017 |
Enzymatic gelation to prepare chitosan gels: Study of gelation kinetics and identification of limiting parameters for controlled gel morphology.
Topics: Ammonia; Chitosan; Colorimetry; Gels; Hydrogen-Ion Concentration; Kinetics; Rheology; Solubility; Temperature; Urea; Urease; Water | 2018 |
Ground Juniperus pinchotii and urea in supplements fed to Rambouillet ewe lambs Part 2: Ewe lamb rumen microbial communities.
Topics: Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Diet; Dietary Supplements; Edible Grain; Fatty Acids, Volatile; Female; Fermentation; Juniperus; Random Allocation; Rumen; Sheep; Urea | 2017 |
Metabolically based liver damage pathophysiology in patients with urea cycle disorders - A new hypothesis.
Topics: Ammonia; Central Nervous System; Citrullinemia; Enterobacter; Fatal Outcome; Hepatocytes; Humans; Hyperammonemia; Infant, Newborn; Lethargy; Liver; Liver Diseases; Male; Sepsis; Urea | 2017 |
Integrating Extracellular Flux Measurements and Genome-Scale Modeling Reveals Differences between Brown and White Adipocytes.
Topics: 4-Aminobutyrate Transaminase; Adipocytes, Brown; Adipocytes, White; Ammonia; Cell Line, Transformed; Energy Metabolism; gamma-Aminobutyric Acid; Genome, Human; Glucose; Glutamine; Homeostasis; Humans; Metabolic Networks and Pathways; Metabolome; Organ Specificity; Oxygen Consumption; Palmitic Acid; Primary Cell Culture; Software; Urea | 2017 |
A fuzzy logic urea dosage controller design for two-cell selective catalytic reduction systems.
Topics: Air Pollutants; Air Pollution; Algorithms; Ammonia; Catalysis; Computer Simulation; Fuzzy Logic; Nitrogen Oxides; Oxidation-Reduction; Reproducibility of Results; Urea; Vehicle Emissions | 2018 |
Enhancement of hepatic autophagy increases ureagenesis and protects against hyperammonemia.
Topics: Ammonia; Animals; Autophagy; Humans; Hyperammonemia; Liver; Male; Mechanistic Target of Rapamycin Complex 1; Mice, Inbred C57BL; Mice, Knockout; Mice, Transgenic; Urea | 2018 |
Sawdust biochar application to rice paddy field: reduced nitrogen loss in floodwater accompanied with increased NH
Topics: Ammonia; Charcoal; Fertilizers; Nitrogen; Oryza; Soil; Urea; Volatilization | 2018 |
The consequences of niche and physiological differentiation of archaeal and bacterial ammonia oxidisers for nitrous oxide emissions.
Topics: Ammonia; Archaea; Fertilizers; Nitrification; Nitrous Oxide; Oxidation-Reduction; Soil; Soil Microbiology; Urea | 2018 |
Prenatal treatment of ornithine transcarbamylase deficiency.
Topics: Ammonia; Drug Combinations; Female; Glutamine; Humans; Hyperammonemia; Infant, Newborn; Male; Mutation; Ornithine Carbamoyltransferase; Ornithine Carbamoyltransferase Deficiency Disease; Phenylacetates; Pregnancy; Prenatal Care; Prenatal Diagnosis; Sodium Benzoate; Treatment Outcome; Urea | 2018 |
Herbivorous turtle ants obtain essential nutrients from a conserved nitrogen-recycling gut microbiome.
Topics: Amino Acids; Ammonia; Animals; Ants; Diet; Gastrointestinal Microbiome; Geography; Herbivory; Metagenome; Metagenomics; Nitrogen; Nitrogen Fixation; Nitrogen Isotopes; Symbiosis; Urea; Urease; Uric Acid | 2018 |
Ammonia: A novel target for the treatment of non-alcoholic steatohepatitis.
Topics: Ammonia; Animals; Biopsy; Disease Models, Animal; Disease Progression; Fibrosis; Hepatic Stellate Cells; Humans; Liver; Models, Theoretical; Non-alcoholic Fatty Liver Disease; Urea | 2018 |
High-solid pretreatment of corn stover using urea for enzymatic saccharification.
Topics: Ammonia; Hydrolysis; Temperature; Urea; Xylose; Zea mays | 2018 |
Patterns of thaumarchaeal gene expression in culture and diverse marine environments.
Topics: Ammonia; Aquatic Organisms; Archaea; Archaeal Proteins; Gene Expression Regulation, Archaeal; Gene Expression Regulation, Enzymologic; Nitrite Reductases; Nitrogen Cycle; Oxidation-Reduction; Oxidoreductases; Phylogeny; Urea; Urease | 2018 |
The cyanobacterial ornithine-ammonia cycle involves an arginine dihydrolase.
Topics: Ammonia; Arginine; Bacterial Proteins; Biomass; Carbon Dioxide; Citrulline; Cyanobacteria; Hydrolases; Mutation; Nitrogen; Nitrogen Isotopes; Ornithine; Oscillometry; Polyamines; Synechocystis; Urea | 2018 |
Feeding fodder beet (Beta vulgaris L.) with either barley straw or pasture silage to non-lactating dairy cows.
Topics: Acidosis; Ammonia; Analysis of Variance; Animal Feed; Animals; Beta vulgaris; Cattle; Circadian Rhythm; Digestion; Drinking; Eating; Feces; Female; Hordeum; Hydrogen-Ion Concentration; Nitrogen; Rumen; Silage; Urea; Urine | 2018 |
Evolutionary compromises to metabolic toxins: Ammonia and urea tolerance in Drosophila suzukii and Drosophila melanogaster.
Topics: Adaptation, Physiological; Ammonia; Animals; Biological Evolution; Chemotaxis; Drosophila; Drosophila melanogaster; Drosophila Proteins; Female; Glutathione Transferase; Larva; Ornithine-Oxo-Acid Transaminase; Oviposition; Statistics, Nonparametric; Urea | 2018 |
Proteus vulgaris - Pt electrode system for urea to nitrogen conversion in synthetic urine.
Topics: Ammonia; Biotransformation; Electrochemical Techniques; Electrodes; Hydrogen-Ion Concentration; Nitrogen; Oxidation-Reduction; Platinum; Proteus vulgaris; Urea | 2018 |
[Effects of loss-controlled urea on ammonia volatilization, N translocation and utilization efficiency in paddy rice.]
Topics: Agriculture; Ammonia; Fertilizers; Nitrogen; Oryza; Soil; Urea; Volatilization | 2018 |
[Influence of a new phosphoramide urease inhibitor on urea-N transformation in different texture soil].
Topics: Aluminum Silicates; Ammonia; Clay; Nitrification; Nitrogen; Organophosphorus Compounds; Phosphoramides; Soil; Urea; Urease; Volatilization | 2016 |
Effect of supplemental dietary slow-release urea on growth performance and physiological status of dairy heifers.
Topics: Ammonia; Animals; Blood Urea Nitrogen; Cattle; Delayed-Action Preparations; Diet; Dietary Supplements; Fatty Acids; Fatty Acids, Volatile; Female; Fermentation; Nitrogen Compounds; Rumen; Time Factors; Urea | 2018 |
Alkaline dehydration of anion-exchanged human urine: Volume reduction, nutrient recovery and process optimisation.
Topics: Adult; Aged; Ammonia; Desiccation; Female; Humans; Hydrolysis; Ion Exchange; Male; Middle Aged; Nitrogen; Phosphorus; Potassium; Temperature; Urea; Urine; Waste Disposal, Fluid; Young Adult | 2018 |
Physiological protective action of dissolved organic carbon on ion regulation and nitrogenous waste excretion of zebrafish (Danio rerio) exposed to low pH in ion-poor water.
Topics: Ammonia; Animals; Carbon; Chlorides; Fresh Water; Hydrogen-Ion Concentration; Sodium; Urea; Zebrafish | 2018 |
Urea cycle dysregulation in non-alcoholic fatty liver disease.
Topics: Adult; Aged; Ammonia; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Cells, Cultured; DNA Methylation; Female; Glutamate-Ammonia Ligase; Hepatocytes; Humans; Liver; Male; Middle Aged; Non-alcoholic Fatty Liver Disease; Ornithine Carbamoyltransferase; Promoter Regions, Genetic; Rats; Rats, Wistar; Urea | 2018 |
Genome analysis of new Blattabacterium spp., obligatory endosymbionts of Periplaneta fuliginosa and P. japonica.
Topics: Ammonia; Animals; Bacteroidetes; Blattellidae; DNA, Bacterial; Genome, Bacterial; Male; Nitrogen; Periplaneta; Phylogeny; Symbiosis; Urea; Uric Acid | 2018 |
Feeding condensed tannins to mitigate ammonia emissions from beef feedlot cattle fed high-protein finishing diets containing distillers grains.
Topics: Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Cattle; Diet, High-Protein; Edible Grain; Hordeum; Male; Nitrogen; Proanthocyanidins; Random Allocation; Urea; Zea mays | 2018 |
Targeting autophagy for therapy of hyperammonemia.
Topics: Ammonia; Autophagy; Humans; Hyperammonemia; Liver; Urea | 2018 |
Does virginiamycin supplementation affect the metabolism and performance of Nellore bulls grazing under low and high gain rates?
Topics: Ammonia; Animal Nutritional Physiological Phenomena; Animals; Calcium; Cattle; Diet; Dietary Supplements; Fatty Acids, Nonesterified; Herbivory; Male; Rumen; Urea; Virginiamycin; Weight Gain | 2018 |
Widespread use of emersion and cutaneous ammonia excretion in Aplocheiloid killifishes.
Topics: Ammonia; Animals; Cation Transport Proteins; Cutaneous Elimination; Fish Proteins; Killifishes; Nitrogen; Swimming; Urea; Volatilization | 2018 |
Low temperature selective catalytic reduction of nitric oxide with urea over activated carbon supported metal oxide catalysts.
Topics: Ammonia; Catalysis; Charcoal; Nitric Oxide; Oxidation-Reduction; Oxides; Temperature; Urea | 2020 |
Nitrate improves ammonia incorporation into rumen microbial protein in lactating dairy cows fed a low-protein diet.
Topics: Ammonia; Animal Feed; Animals; Bacterial Proteins; Cattle; Diet; Diet, Protein-Restricted; Dietary Supplements; Female; Fermentation; Fungal Proteins; Hydrogen; Lactation; Methane; Milk; Nitrates; Pregnancy; Protozoan Proteins; Rumen; Urea | 2018 |
Assessing atmospheric nitrogen losses with photoacoustic infrared spectroscopy: Polymer coated urea.
Topics: Ammonia; Atmosphere; Fertilizers; Gases; Nitrogen; Nitrous Oxide; Polymers; Soil; Spectrophotometry, Infrared; Spectrum Analysis; Urea; Volatilization | 2018 |
Nitrogen excretion during marsupial development in the terrestrial isopod Armadillidium vulgare.
Topics: Ammonia; Animals; Female; Glutamine; Marsupialia; Nitrogen; Pregnancy; Urea; Uric Acid | 2019 |
Extracellular urease from Arthrobacter creatinolyticus MTCC 5604: scale up, purification and its cytotoxic effect thereof.
Topics: A549 Cells; Ammonia; Arthrobacter; Cell Line; Chromatography, Gel; Electrophoresis, Polyacrylamide Gel; HEK293 Cells; Humans; Hydrogen-Ion Concentration; Molecular Weight; Urea; Urease | 2019 |
Ontogeny of urea and ammonia transporters in mahi-mahi (Coryphaena hippurus) early life stages.
Topics: Ammonia; Animals; Carrier Proteins; Embryo, Nonmammalian; Fish Proteins; Gills; Glycoproteins; In Situ Hybridization; Membrane Transport Proteins; Perciformes; RNA, Messenger; Seawater; Sodium-Hydrogen Exchangers; Urea; Urea Transporters | 2019 |
Cyanate and urea are substrates for nitrification by Thaumarchaeota in the marine environment.
Topics: Ammonia; Archaea; Cyanates; Energy Metabolism; Gulf of Mexico; Nitrification; Nitrites; Oxidation-Reduction; Oxygen; Phylogeny; Seawater; Urea | 2019 |
Evaluation of buffer solutions and urea addition for estimating the in vitro digestibility of feeds.
Topics: Ammonia; Animal Feed; Animals; Buffers; Cattle; Dietary Fiber; Digestion; Female; Fermentation; Nitrogen; Poaceae; Reproducibility of Results; Rumen; Solutions; Urea; Zea mays | 2019 |
Reusable nano-BG-FET for point-of-care estimation of ammonia and urea in human urine.
Topics: Ammonia; Biosensing Techniques; Cadmium Compounds; Catalysis; Electrochemistry; Equipment Design; Equipment Reuse; Humans; Nanostructures; Point-of-Care Systems; Sulfates; Titanium; Transistors, Electronic; Urea | 2019 |
Modeling ammonia volatilization following urea application to winter cereal fields in the United Kingdom by a revised biogeochemical model.
Topics: Agriculture; Ammonia; Edible Grain; Environmental Monitoring; Fertilizers; Models, Theoretical; Soil; Temperature; United Kingdom; Urea; Volatilization | 2019 |
Effects of a commercial fermentation byproduct or urea on milk production, rumen metabolism, and omasal flow of nutrients in lactating dairy cattle.
Topics: Ammonia; Animal Feed; Animals; Body Weight; Cattle; Diet; Dietary Fiber; Female; Fermentation; Lactation; Medicago sativa; Milk; Nutrients; Omasum; Rumen; Rumination, Digestive; Silage; Starch; Urea; Zea mays | 2019 |
Overexpression of carbamoyl-phosphate synthase 1 significantly improves ureagenesis of human liver HepaRG cells only when cultured under shaking conditions.
Topics: Ammonia; Arginase; Arginine; Carbamoyl-Phosphate Synthase (Ammonia); Cell Culture Techniques; Cell Line; Gene Expression Regulation, Enzymologic; Humans; Mitochondria, Liver; Ornithine Carbamoyltransferase; Up-Regulation; Urea | 2019 |
p53 regulation of ammonia metabolism through urea cycle controls polyamine biosynthesis.
Topics: Ammonia; Arginase; Carbamoyl-Phosphate Synthase (Ammonia); Cell Proliferation; Gene Expression Regulation; Humans; Neoplasms; Ornithine Carbamoyltransferase; Ornithine Decarboxylase; Polyamines; Proto-Oncogene Proteins c-mdm2; RNA, Messenger; Transcription, Genetic; Tumor Suppressor Protein p53; Urea | 2019 |
Taurine transporter (TauT) deficiency impairs ammonia detoxification in mouse liver.
Topics: Ammonia; Animals; Deficiency Diseases; Disease Models, Animal; GABA Plasma Membrane Transport Proteins; Gene Knockdown Techniques; Glutamate-Ammonia Ligase; Glutamine; Glycoproteins; Hepatocytes; Hyperammonemia; Inactivation, Metabolic; Kinetics; Liver; Membrane Glycoproteins; Membrane Transport Proteins; Mice; Mice, Knockout; Oxidative Stress; Perfusion; Urea | 2019 |
Pivotal role of inter-organ aspartate metabolism for treatment of mitochondrial aspartate-glutamate carrier 2 (citrin) deficiency, based on the mouse model.
Topics: Amino Acids; Ammonia; Ammonium Chloride; Animals; Aspartic Acid; Citrulline; Citrullinemia; Disease Models, Animal; Glycerolphosphate Dehydrogenase; Hyperammonemia; Intestine, Small; Lactates; Liver; Mice, Inbred C57BL; Mice, Knockout; Mitochondrial Membrane Transport Proteins; Organ Specificity; Ornithine; Perfusion; Portal Vein; Pyruvic Acid; Urea | 2019 |
Ultrafast and Ultrasensitive Naked-Eye Detection of Urease-Positive Bacteria with Plasmonic Nanosensors.
Topics: Ammonia; Animals; Bacterial Proteins; Bacterial Typing Techniques; Cattle; Colorimetry; Enzyme Assays; Gold; Limit of Detection; Magnetic Phenomena; Metal Nanoparticles; Polyethylenes; Proteus mirabilis; Quaternary Ammonium Compounds; Serum Albumin, Bovine; Surface Plasmon Resonance; Urea; Urease; Urine | 2019 |
Ethanol sensitizes skeletal muscle to ammonia-induced molecular perturbations.
Topics: Ammonia; Animals; Cell Line; Ethanol; Hepatocytes; Humans; Hyperammonemia; Membrane Transport Proteins; Mice; Muscle, Skeletal; Proteostasis; Signal Transduction; Urea | 2019 |
A revised representation of urea and ammonia nitrogen recycling and use in the Molly cow model.
Topics: Ammonia; Animal Feed; Animals; Body Weight; Cattle; Diet; Feces; Female; Lactation; Nitrogen; Rumen; Rumination, Digestive; Urea | 2019 |
Use of gallic acid and hydrolyzable tannins to reduce methane emission and nitrogen excretion in beef cattle fed a diet containing alfalfa silage1,2.
Topics: Ammonia; Animals; Cattle; Diet; Diet, High-Protein; Dietary Supplements; Feces; Female; Fermentation; Gallic Acid; Hordeum; Hydrolyzable Tannins; Medicago sativa; Methane; Nitrogen; Silage; Urea | 2019 |
Long-term urea fertilization alters the composition and increases the abundance of soil ureolytic bacterial communities in an upland soil.
Topics: Agriculture; Ammonia; Bacteria; Fertilizers; Microbiota; Nitrogen; Soil; Soil Microbiology; Urea | 2019 |
[Ammonia volatilization and nitrogen use efficiency in the field of fresh edible maize as affec-ted by different band fertilization depths of controlled-release urea].
Topics: Agriculture; Ammonia; Delayed-Action Preparations; Fertilizers; Nitrogen; Soil; Urea; Volatilization; Zea mays | 2019 |
Ammonia Volatilization Loss and Corn Nitrogen Nutrition and Productivity with Efficiency Enhanced UAN and Urea under No-tillage.
Topics: Agriculture; Ammonia; Carbon Dioxide; Fertilizers; Nitrification; Nitrogen; Nitrous Oxide; Organophosphorus Compounds; Polymers; Soil; Urea; Urease; Volatilization; Zea mays | 2019 |
Nitrogen utilization, whole-body urea-nitrogen kinetics, omasal nutrient flow, and production performance in dairy cows fed lactose as a partial replacement for barley starch.
Topics: Ammonia; Animal Feed; Animals; Blood Urea Nitrogen; Cattle; Dairying; Diet; Female; Hordeum; Lactation; Lactose; Milk; Milk Proteins; Nitrogen; Nutrients; Omasum; Starch; Urea | 2019 |
Use of a urease inhibitor to mitigate ammonia emissions from urine patches.
Topics: Ammonia; Animals; Fertilizers; Soil; Urea; Urease | 2021 |
Effects of Initial Soil Moisture, Clod Size, and Clay Content on Ammonia Volatilization after Subsurface Band Application of Urea.
Topics: Ammonia; Clay; Soil; Urea; Volatilization | 2019 |
Extruded urea could reduce true protein source in beef cattle diets.
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Cattle; Diet; Dietary Proteins; Digestion; Dose-Response Relationship, Drug; Fatty Acids, Volatile; Feeding Behavior; Hydrogen-Ion Concentration; Male; Rumen; Urea | 2019 |
Effects of a high protein diet and liver disease in an in silico model of human ammonia metabolism.
Topics: Ammonia; Ammonium Chloride; Carbamoyl-Phosphate Synthase (Ammonia); Cell Differentiation; Cell Line, Tumor; Cell Survival; Computer Simulation; Diet, High-Protein; Humans; Kinetics; Liver; Liver Diseases; Male; Models, Biological; Nitrogen; Tretinoin; Urea | 2019 |
Non-alcoholic fatty liver disease alters expression of genes governing hepatic nitrogen conversion.
Topics: Adult; Ammonia; Carbamoyl-Phosphate Synthase (Ammonia); Case-Control Studies; Female; Gene Expression Regulation, Enzymologic; Glutamate-Ammonia Ligase; Hepatocytes; Humans; Liver; Male; Middle Aged; Non-alcoholic Fatty Liver Disease; Obesity; Transcriptome; Urea | 2019 |
Development of a milk-based medium for the selection of urease-defective mutants of Streptococcus thermophilus.
Topics: Ammonia; Animals; Lactic Acid; Lactose; Milk; Phenotype; Streptococcus thermophilus; Urea; Urease | 2019 |
Do reproductive hormones control Gulf toadfish pulsatile urea excretion?
Topics: Ammonia; Animals; Batrachoidiformes; Dinoprostone; Estradiol; Female; Gonads; Hormones; Male; Reproduction; Seasons; Serotonin; Testosterone; Urea | 2019 |
Lipid nanoparticle-targeted mRNA therapy as a treatment for the inherited metabolic liver disorder arginase deficiency.
Topics: Ammonia; Animals; Arginase; Arginine; Codon; Disease Models, Animal; Glutamine; Hyperammonemia; Hyperargininemia; Lipids; Liver; Liver Diseases; Male; Mice; Mice, Inbred C57BL; Nanoparticles; RNA, Messenger; Urea | 2019 |
Floating duckweed mitigated ammonia volatilization and increased grain yield and nitrogen use efficiency of rice in biochar amended paddy soils.
Topics: Ammonia; Biodegradation, Environmental; Charcoal; Edible Grain; Fertilizers; Nitrogen; Nitrous Oxide; Oryza; Soil; Urea; Volatilization | 2019 |
The effects of Deepwater Horizon crude oil on ammonia and urea handling in mahi-mahi (Coryphaena hippurus) early life stages.
Topics: Ammonia; Animals; Fish Proteins; Gene Expression Regulation; Larva; Life Cycle Stages; Perciformes; Petroleum; Petroleum Pollution; Polycyclic Aromatic Hydrocarbons; RNA, Messenger; Urea; Water Pollutants, Chemical | 2019 |
Urine nitrification with a synthetic microbial community.
Topics: Ammonia; Bioreactors; Comamonadaceae; Delftia acidovorans; Microbiota; Nitrification; Nitrites; Nitrobacter; Nitrosomonas europaea; Pseudomonas fluorescens; Urea; Urine; Waste Disposal, Fluid | 2019 |
Media Optimization, Strain Compatibility, and Low-Shear Modeled Microgravity Exposure of Synthetic Microbial Communities for Urine Nitrification in Regenerative Life-Support Systems.
Topics: Ammonia; Bioreactors; Ecological Systems, Closed; Heterotrophic Processes; Humans; Hydrolysis; Microbiota; Nitrates; Nitrification; Oxidation-Reduction; Space Flight; Urea; Urine; Weightlessness | 2019 |
Effects of histidine load on ammonia, amino acid, and adenine nucleotide concentrations in rats.
Topics: Adenine Nucleotides; Administration, Intravenous; Amino Acids; Ammonia; Animals; Cardioplegic Solutions; Carnosine; Energy Metabolism; Histidine; Ketoglutaric Acids; Male; Organ Specificity; Rats; Rats, Wistar; Tissue Distribution; Urea | 2019 |
Biochar-enriched soil mitigated N
Topics: Agriculture; Air Pollution; Ammonia; Archaea; Betaproteobacteria; Charcoal; Fertilizers; Nitric Oxide; Nitrogen Dioxide; Nitrous Oxide; Oxidation-Reduction; Seasons; Soil Microbiology; Triticum; Urea | 2020 |
Clinical validation of Endofaster® for a rapid diagnosis of Helicobacter pylori infection.
Topics: Adolescent; Adult; Aged; Ammonia; Area Under Curve; Bacteriological Techniques; Diagnostic Techniques, Digestive System; Female; Gastric Juice; Helicobacter Infections; Helicobacter pylori; Humans; Hydrogen-Ion Concentration; Male; Middle Aged; Prospective Studies; Sensitivity and Specificity; Urea; Young Adult | 2020 |
Effects of ammonia-N exposure on the growth, metabolizing enzymes, and metabolome of Macrobrachium rosenbergii.
Topics: Alanine Transaminase; Ammonia; Animals; Aspartate Aminotransferases; Glutamate Dehydrogenase; Glutamate-Ammonia Ligase; Glutamine; Hepatopancreas; Metabolome; Nitrogen; Palaemonidae; Urea; Water Pollutants, Chemical | 2020 |
Molecular characterization and ornithine-urea cycle genes expression in air-breathing magur catfish (Clarias magur) during exposure to high external ammonia.
Topics: Ammonia; Animals; Argininosuccinate Lyase; Argininosuccinate Synthase; Catfishes; Fish Proteins; Ornithine; Ornithine Carbamoyltransferase; Phylogeny; RNA, Messenger; Sequence Alignment; Sequence Analysis, Protein; Tissue Distribution; Urea | 2020 |
Responses of ammonia volatilization from rice paddy soil to application of wood vinegar alone or combined with biochar.
Topics: Acetic Acid; Ammonia; Charcoal; Edible Grain; Fertilizers; Methanol; Nitrogen; Oryza; Soil; Urea; Volatilization | 2020 |
Survival strategies of Wuchang bream (Megalobrama amblycephala) juveniles for chronic ammonia exposure: Antioxidant defense and the synthesis of urea and glutamine.
Topics: Ammonia; Animals; Cyprinidae; Fish Proteins; Glutamine; Liver; Oxidative Stress; Urea; Water Pollutants, Chemical | 2020 |
Correlation between breath ammonia and blood urea nitrogen levels in chronic kidney disease and dialysis patients.
Topics: Adult; Ammonia; Blood Urea Nitrogen; Breath Tests; Female; Humans; Hydrogen-Ion Concentration; Male; Middle Aged; Renal Dialysis; Renal Insufficiency, Chronic; ROC Curve; Saliva; Urea | 2020 |
Understanding the gastrointestinal physiology and responses to feeding in air-breathing Anabantiform fishes.
Topics: Ammonia; Animals; Feeding Behavior; Fishes; Fresh Water; Gastrointestinal Tract; Intestinal Mucosa; Ions; Postprandial Period; Sodium; Urea; Vietnam | 2020 |
5-Fluorouracil-induced hyperammonaemic encephalopathy: A French national survey.
Topics: Aged; Ammonia; Antimetabolites, Antineoplastic; Brain Diseases; Citric Acid Cycle; Dose-Response Relationship, Drug; Female; Fluorouracil; France; Humans; Hyperammonemia; Incidence; Male; Middle Aged; Neoplasms; Pharmacovigilance; Retrospective Studies; Treatment Outcome; Urea | 2020 |
Involvement of ammonia metabolism in the improvement of endurance performance by tea catechins in mice.
Topics: Ammonia; Animals; Catechin; Cell Line; Cell Respiration; Fatty Acids; Liver; Male; Mice; Mice, Inbred BALB C; Muscle Fibers, Skeletal; Physical Conditioning, Animal; Physical Exertion; Tea; Urea | 2020 |
Estimating degradation of individual essential amino acids in fish meal and blood meal by rumen microbes in a dual-flow continuous-culture system.
Topics: Amino Acids, Essential; Ammonia; Animals; Bacteria; Bioreactors; Blood; Butyrates; Digestion; Fatty Acids; Fatty Acids, Volatile; Female; Fermentation; Fish Products; Rumen; Urea | 2020 |
Split AAV-Mediated Gene Therapy Restores Ureagenesis in a Murine Model of Carbamoyl Phosphate Synthetase 1 Deficiency.
Topics: Ammonia; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Carbamoyl-Phosphate Synthase I Deficiency Disease; Dependovirus; Disease Models, Animal; DNA Packaging; Female; Genetic Therapy; Genetic Vectors; Humans; Mice; Proof of Concept Study; Urea | 2020 |
Influences of organic nitrogen on the removal of inorganic nitrogen from complicated marine aquaculture water by Marichromatium gracile YL28.
Topics: Ammonia; Aquaculture; Chromatiaceae; Denitrification; Nitrates; Nitrites; Nitrogen; Peptones; Urea; Water | 2020 |
The effects of humic acid urea and polyaspartic acid urea on reducing nitrogen loss compared with urea.
Topics: Adsorption; Ammonia; Fertilizers; Humic Substances; Kinetics; Nitrogen; Peptides; Soil; Urea; Volatilization | 2020 |
A mechanobiological mathematical model of liver metabolism.
Topics: Albumins; Ammonia; Animals; Hep G2 Cells; Hepatocytes; Humans; Liver; Mechanotransduction, Cellular; Models, Biological; Urea | 2020 |
Gills and air-breathing organ in O
Topics: Air; Air Sacs; Ammonia; Animals; Body Size; Carbon Dioxide; Fishes; Gills; Nitrogen; Oxygen; Urea | 2020 |
Performance and mechanism of urea hydrolysis in partial nitritation system based on SBR.
Topics: Aerobiosis; Ammonia; Bacteria; Bioreactors; Hydrolysis; Nitrites; Nitrogen; Oxidation-Reduction; Urea; Wastewater; Water Pollutants, Chemical; Water Purification | 2020 |
Clinical and biochemical characteristics of patients with ornithine transcarbamylase deficiency.
Topics: Adolescent; Adult; Ammonia; Arginine; Child; Child, Preschool; China; Creatine; Female; Humans; Hyperammonemia; Lysine; Male; Ornithine; Ornithine Carbamoyltransferase Deficiency Disease; Urea; Young Adult | 2020 |
Do soil property variations affect dicyandiamide efficiency in inhibiting nitrification and minimizing carbon dioxide emissions?
Topics: Ammonia; Archaea; Betaproteobacteria; Carbon Dioxide; Fertilizers; Guanidines; Nitrification; Nitrogen; Nitrous Oxide; Soil; Soil Microbiology; Urea | 2020 |
Impacts of low salinity exposure and antibiotic application on gut transport activity in the Pacific spiny dogfish, Squalus acanthias suckleyi.
Topics: Ammonia; Animals; Anti-Bacterial Agents; Cellulase; Fish Proteins; Gastrointestinal Tract; Intestinal Mucosa; Male; Metals, Light; Salinity; Squalus acanthias; Urea; Urease | 2020 |
An orally delivered microbial cocktail for the removal of nitrogenous metabolic waste in animal models of kidney failure.
Topics: Administration, Oral; Alginates; Ammonia; Animals; Bacteria; Capsules; Creatinine; Disease Models, Animal; Enterosorption; Feces; Indoles; Mice; Microbiota; Microfluidics; Microspheres; Nitrogen Compounds; Polymers; Renal Insufficiency; Swine; Treatment Outcome; Urea | 2020 |
Ornithine-A urea cycle metabolite enhances autophagy and controls Mycobacterium tuberculosis infection.
Topics: Ammonia; Animals; Apoptosis; Arginase; Atropine; Autophagy; Cell Proliferation; Disease Progression; Female; Imidazoles; Kupffer Cells; Macrophages, Alveolar; Macrophages, Peritoneal; Mice; Mice, Inbred C57BL; Nitric Oxide; Ornithine; Phosphatidylserines; Reactive Oxygen Species; RNA, Small Interfering; Tuberculosis; Urea | 2020 |
A retrospective study of adult patients with noncirrhotic hyperammonemia.
Topics: Adult; Age of Onset; Aged; Ammonia; Female; Humans; Hyperammonemia; Male; Middle Aged; Retrospective Studies; Seizures; Survival Analysis; Urea; Urea Cycle Disorders, Inborn; Young Adult | 2020 |
The effects of digesting a urea-rich meal on North Pacific spiny dogfish (Squalus acanthias suckleyi).
Topics: Ammonia; Animal Feed; Animals; Chlorides; Gastrointestinal Tract; Gills; Homeostasis; Intestines; Male; Nitrogen; Osmoregulation; Squalus acanthias; Stomach; Urea; Urease; Water-Electrolyte Balance | 2020 |
Effects of boric acid on urea-N transformation and 3,4-dimethylpyrazole phosphate efficiency.
Topics: Ammonia; Boric Acids; Fertilizers; Kinetics; Nitrates; Nitrification; Pyrazoles; Soil; Urea | 2021 |
Solving the Conundrum: Widespread Proteins Annotated for Urea Metabolism in Bacteria Are Carboxyguanidine Deiminases Mediating Nitrogen Assimilation from Guanidine.
Topics: Allophanate Hydrolase; Ammonia; Carbon-Nitrogen Ligases; Catalysis; Citrullination; Guanidine; Hydrolases; Metabolic Networks and Pathways; Molecular Sequence Annotation; Nitrogen; Protein Subunits; Pseudomonas syringae; Urea | 2020 |
Combination of urease inhibitor and antiseptic inhibits urea decomposition-induced ammonia production by Proteus mirabilis.
Topics: Ammonia; Anti-Infective Agents, Local; Proteus mirabilis; Urea; Urease | 2020 |
A paper-based device for the colorimetric determination of ammonia and carbon dioxide using thiomalic acid and maltol functionalized silver nanoparticles: application to the enzymatic determination of urea in saliva and blood.
Topics: Ammonia; Colorimetry; Humans; Metal Nanoparticles; Pyrones; Saliva; Silver; Urea | 2020 |
Nitrogen supply and rainfall affect ammonia emissions from dairy cattle excreta and urea applied on warm-climate pastures.
Topics: Affect; Ammonia; Animals; Brazil; Cattle; Female; Nitrogen; Urea | 2020 |
The long-term effects of using nitrite and urea on the enrichment of comammox bacteria.
Topics: Ammonia; Archaea; Bacteria; Nitrification; Nitrites; Oxidation-Reduction; Phylogeny; Soil Microbiology; Urea | 2021 |
Phenotypic Differentiation of Two Morphologically Similar Aflatoxin-Producing Fungi from West Africa.
Topics: Aflatoxin B1; Aflatoxins; Africa, Western; Ammonia; Aspergillus; Fermentation; Food Microbiology; Hydrogen-Ion Concentration; Sucrose; Urea; Zea mays | 2020 |
Adding NBPT to urea increases N use efficiency of maize and decreases the abundance of N-cycling soil microbes under reduced fertilizer-N rate on the North China Plain.
Topics: Agriculture; Ammonia; Biomass; China; Fertilizers; Microbiota; Nitrification; Nitrogen; Nitrous Oxide; Organophosphorus Compounds; Soil; Soil Microbiology; Urea; Urease; Zea mays | 2020 |
Effects of ammonia exposure on antioxidant function, immune response and NF-κB pathway in Chinese Strip-necked Turtle (Mauremys sinensis).
Topics: Ammonia; Animals; Antioxidants; Aspartate Aminotransferases; Cholinesterases; Environmental Exposure; Gene Expression Regulation; Heat-Shock Proteins; Kelch-Like ECH-Associated Protein 1; Liver; Malondialdehyde; NF-E2-Related Factor 2; NF-kappa B; RNA, Messenger; Signal Transduction; Transcription, Genetic; Turtles; Urea; Water Pollutants, Chemical | 2020 |
Nitrogen recycling buffers against ammonia toxicity from skeletal muscle breakdown in hibernating arctic ground squirrels.
Topics: Amino Acids; Ammonia; Animals; Arctic Regions; Arousal; gamma-Glutamyl Hydrolase; Hibernation; Kidney; Muscle, Skeletal; Myofibrils; Nitrogen; Sciuridae; Torpor; Urea | 2020 |
Changes of δ
Topics: Ammonia; Fertilizers; Nitrogen; Soil; Urea; Volatilization | 2021 |
Stabilization of source-separated urine by heat-activated peroxydisulfate.
Topics: Ammonia; Fertilizers; Hot Temperature; Nitrogen; Urea; Urine | 2020 |
Mitigate nitrate contamination in potato tubers and increase nitrogen recovery by combining dicyandiamide, moringa oil and zeolite with nitrogen fertilizer.
Topics: Agriculture; Ammonia; Betaproteobacteria; Environmental Restoration and Remediation; Fertilizers; Guanidines; Moringa; Nitrates; Nitrification; Nitrogen; Nitrogen Oxides; Soil; Soil Microbiology; Solanum tuberosum; Urea; Zeolites | 2021 |
Potassium deficiency decreases the capacity for urea synthesis and markedly increases ammonia in rats.
Topics: Ammonia; Animals; Disease Models, Animal; Female; Gene Expression Regulation, Enzymologic; Hyperammonemia; Hypokalemia; Kidney; Liver; Muscle, Skeletal; Potassium; Potassium Deficiency; Potassium, Dietary; Rats, Wistar; Urea | 2021 |
An in vitro study of urea and ammonia production and transport by the intestinal tract of fed and fasted rainbow trout: responses to luminal glutamine and ammonia loading.
Topics: Ammonia; Animals; Fasting; Glutamine; Oncorhynchus mykiss; Urea | 2021 |
pH-modulated aggregation-induced emission of Au/Cu nanoclusters and its application to the determination of urea and dissolved ammonia.
Topics: Ammonia; Copper; Drinking Water; Fluorescent Dyes; Gold; Humans; Hydrogen-Ion Concentration; Lakes; Limit of Detection; Metal Nanoparticles; Penicillamine; Spectrometry, Fluorescence; Urea; Urease | 2021 |
A novel ammoniation treatment of barley as a strategy to optimize rumen pH, feed degradability and microbial protein synthesis in sheep.
Topics: Ammonia; Animal Feed; Animals; Bacteria; Bacterial Proteins; Diet; Digestion; Food Handling; Gastrointestinal Microbiome; Hordeum; Hydrogen-Ion Concentration; Rumen; Sheep; Urea | 2021 |
Filling in the Gaps in Metformin Biodegradation: a New Enzyme and a Metabolic Pathway for Guanylurea.
Topics: Ammonia; Bacterial Proteins; Biodegradation, Environmental; Biomineralization; Genome, Bacterial; Guanidine; Hydrolases; Metabolic Networks and Pathways; Metformin; Multigene Family; Pseudomonas mendocina; Substrate Specificity; Urea; Wastewater; Water Pollutants, Chemical | 2021 |
The Urea Breath Test for the Noninvasive Detection of Helicobacter pylori.
Topics: Ammonia; Bacterial Proteins; Breath Tests; Carbon Dioxide; Female; Helicobacter Infections; Helicobacter pylori; Humans; Male; Sensitivity and Specificity; Urea; Urease | 2021 |
The Proteomics and Metabolomics Analysis for Screening the Molecular Targets of Action of β-Eudesmol in Cholangiocarcinoma.
Topics: Ammonia; Apoptosis; Bile Duct Neoplasms; Blood Coagulation; Cell Line, Tumor; Cholangiocarcinoma; DNA Repair; Humans; MAP Kinase Signaling System; Metabolomics; Methionine; Phosphatidylinositol 3-Kinases; Proteomics; Proto-Oncogene Proteins c-akt; Purines; Sesquiterpenes, Eudesmane; Signal Transduction; Urea; Wound Healing | 2021 |
Co-application of biogas slurry and hydrothermal carbonization aqueous phase substitutes urea as the nitrogen fertilizer and mitigates ammonia volatilization from paddy soil.
Topics: Agriculture; Ammonia; Biofuels; Fertilizers; Nitrogen; Oryza; Soil; Urea; Volatilization | 2021 |
Blending urea and slow-release nitrogen fertilizer increases dryland maize yield and nitrogen use efficiency while mitigating ammonia volatilization.
Topics: Agriculture; Ammonia; China; Fertilizers; Nitrogen; Soil; Urea; Volatilization; Zea mays | 2021 |
Impact of Urea and Ammoniacal Nitrogen Wastewaters on Soil: Field Study in a Fertilizer Industry (Bahía Blanca, Argentina).
Topics: Agriculture; Ammonia; Argentina; Brazil; Fertilizers; Nitrogen; Soil; Urea; Wastewater | 2021 |
Enhanced ammonia detoxification to urea in hepatocytes transduced with human aquaporin-8 gene.
Topics: Ammonia; Animals; Aquaporins; Hepatocytes; Humans; Rats; Transduction, Genetic; Urea | 2021 |
Persistent hyperammonia and altered concentrations of urea cycle metabolites in a 5-day swine experiment of sepsis.
Topics: Ammonia; Animals; Cytokines; Female; Glucose; Lipid Metabolism; Male; Metabolome; Sepsis; Swine; Urea | 2021 |
What Goes in Must Come out: The Story of Uric Acid.
Topics: Ammonia; Animals; Mammals; Reptiles; Urea; Uric Acid | 2021 |
Benzothiazole derivatives based colorimetric and fluorescent probes for detection of amine/ammonia and monitoring the decomposition of urea by urease.
Topics: Amines; Ammonia; Benzothiazoles; Colorimetry; Fluorescent Dyes; Humans; Urea; Urease | 2022 |
Ammonia induces changes in carbamoyl phosphate synthetase I and its regulation of glutamine synthesis and urea cycle in yellow catfish Pelteobagrus fulvidraco.
Topics: Ammonia; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Catfishes; Fish Proteins; Glutamine; Liver; RNA, Messenger; Urea | 2022 |
Glutaminase 2 knockdown reduces hyperammonemia and associated lethality of urea cycle disorder mouse model.
Topics: Ammonia; Animals; Disease Models, Animal; Glutaminase; Glutamine; Humans; Hyperammonemia; Liver; Mice; Ornithine Carbamoyltransferase; Ornithine Carbamoyltransferase Deficiency Disease; Urea; Urea Cycle Disorders, Inborn | 2022 |
Ammonia Clearance with Different Continuous Renal Replacement Therapy Techniques in Patients with Liver Failure.
Topics: Acute Kidney Injury; Adult; Ammonia; Continuous Renal Replacement Therapy; Creatinine; Humans; Hyperammonemia; Liver Failure; Middle Aged; Renal Replacement Therapy; Urea | 2022 |
Interorgan amino acid interchange in propionic acidemia: the missing key to understanding its physiopathology.
Topics: Alanine; Amino Acid Metabolism, Inborn Errors; Amino Acids; Ammonia; Glutamine; Humans; Hyperammonemia; Ketosis; Propionic Acidemia; Urea | 2022 |
Postprandial nitrogen and acid-base regulation in the seawater acclimated green crab, Carcinus maenas.
Topics: Ammonia; Animals; Brachyura; Nitrogen; Seawater; Urea | 2022 |
Collective Behavior of Urease pH Clocks in Nano- and Microvesicles Controlled by Fast Ammonia Transport.
Topics: Ammonia; Hydrogen-Ion Concentration; Mass Gatherings; Urea; Urease | 2022 |
Urine Biochemistry of a Human Fetus with Urinary Tract Obstruction - A Case Report.
Topics: Ammonia; Biomarkers; Creatinine; Female; Fetus; Glucose; Humans; Pregnancy; Sodium; Ultrasonography, Prenatal; Urea; Urethral Obstruction; Urinary Tract | 2023 |
Acute hemodialysis therapy in neonates with inborn errors of metabolism.
Topics: Ammonia; Child; Humans; Infant, Newborn; Leucine; Metabolism, Inborn Errors; Renal Dialysis; Retrospective Studies; Urea | 2022 |
Urease, Gastric Bacteria and Gastritis.
Topics: Ammonia; Gastritis; Helicobacter Infections; Helicobacter pylori; Humans; Urea; Urease | 2022 |
Using nitrification inhibitors and deep placement to tackle the trade-offs between NH
Topics: Agriculture; Ammonia; Crops, Agricultural; Fertilizers; Gases; Nitrification; Nitrogen; Nitrous Oxide; Soil; Urea | 2022 |
In Streptococcus thermophilus, Ammonia from Urea Hydrolysis Paradoxically Boosts Acidification and Reveals a New Regulatory Mechanism of Glycolysis.
Topics: Ammonia; Fermentation; Glycolysis; Hydrogen-Ion Concentration; Hydrolysis; Phosphofructokinases; Streptococcus thermophilus; Urea; Urease | 2022 |
Volatilisations of ammonia from the soils amended with modified and nitrogen-enriched biochars.
Topics: Adsorption; Ammonia; Charcoal; Hydrogen Peroxide; Nitrogen; Soil; Urea | 2022 |
Impact of nitrogen fertilizer timing on nitrate loss and crop production in northwest Iowa.
Topics: Agriculture; Ammonia; Crop Production; Fertilizers; Glycine max; Iowa; Nitrates; Nitrogen; Soil; Urea; Zea mays | 2022 |
Rapid soil rewetting promotes limited N
Topics: Agriculture; Ammonia; Fertilizers; Nitrous Oxide; Soil; Urea; Volatilization; Water | 2022 |
Application of proteomics and metabolomics to assess ammonia stress response and tolerance mechanisms of juvenile ornate rock lobster Panulirus ornatus.
Topics: Amino Acids; Ammonia; Animals; Ecosystem; Metabolomics; Palinuridae; Proteomics; Urea | 2022 |
High level of calcium carbonate precipitation achieved by mixed culture containing ureolytic and nonureolytic bacterial strains.
Topics: Ammonia; Bacteria; Calcium Carbonate; Soil; Urea | 2022 |
Astrocytic urea cycle detoxifies Aβ-derived ammonia while impairing memory in Alzheimer's disease.
Topics: Alzheimer Disease; Ammonia; Amyloid beta-Peptides; Astrocytes; Humans; Hydrogen Peroxide; Memory Disorders; Plaque, Amyloid; Putrescine; Urea | 2022 |
Optimizing nitrogen management to mitigate gaseous losses and improve net benefits of an open-field Chinese cabbage system.
Topics: Agriculture; Ammonia; Brassica; Fertilizers; Gases; Nitrogen; Nitrous Oxide; Soil; Urea; Vegetables | 2022 |
Osmorespiratory compromise in an elasmobranch: oxygen consumption, ventilation and nitrogen metabolism during recovery from exhaustive exercise in dogfish sharks (Squalus suckleyi).
Topics: Ammonia; Animals; Dogfish; Gills; Nitrogen; Oxygen; Oxygen Consumption; Sharks; Squalus; Urea; Water | 2022 |
Prebiotic synthesis of α-amino acids and orotate from α-ketoacids potentiates transition to extant metabolic pathways.
Topics: Aldehydes; Amino Acids; Ammonia; Aspartic Acid; Cyanides; Glycine; Glyoxylates; Keto Acids; Malonates; Metabolic Networks and Pathways; Oxaloacetic Acid; Urea | 2022 |
Urea hydrolysis and long-term storage of source-separated urine for reuse as fertiliser is insufficient for the removal of anthropogenic micropollutants.
Topics: Agriculture; Ammonia; Fertilizers; Humans; Hydrolysis; Urea; Urine | 2022 |
Substituting urea with biogas slurry and hydrothermal carbonization aqueous product could decrease NH
Topics: Agriculture; Ammonia; Biofuels; Fertilizers; Nitrogen; Soil; Triticum; Urea; Volatilization | 2022 |
Hydrogen production from urea in human urine using segregated systems.
Topics: Ammonia; Humans; Hydrogen; Urea; Waste Disposal, Fluid; Wastewater | 2022 |
Genome assembly of the chemosynthetic endosymbiont of the hydrothermal vent snail Alviniconcha adamantis from the Mariana Arc.
Topics: Ammonia; Animals; Bacteria; Ecosystem; Gammaproteobacteria; Hydrothermal Vents; Phylogeny; Snails; Symbiosis; Urea; Waste Products | 2022 |
How the green crab Carcinus maenas copes physiologically with a range of salinities.
Topics: Ammonia; Animals; Brachyura; Gills; Ions; Lactates; Salinity; Seawater; Urea; Water | 2022 |
O-GlcNAcylation enhances CPS1 catalytic efficiency for ammonia and promotes ureagenesis.
Topics: Acetylglucosamine; Ammonia; Animals; Biocatalysis; Carbamoyl-Phosphate Synthase (Ammonia); Disease Models, Animal; Glycosylation; Humans; Hyperammonemia; Mammals; Mice; N-Acetylglucosaminyltransferases; Propionic Acidemia; Protein Processing, Post-Translational; Urea; Uridine Diphosphate | 2022 |
Metal doped nitrogenous hydroxyapatite nanohybrids slowly release nitrogen to crops and mitigate ammonia volatilization: An impact assessment.
Topics: Ammonia; Durapatite; Nitrogen; Urea | 2022 |
Proximal urea cycle defects are challenging to detect with newborn screening: Results of a prospective pilot study using post-analytical tools.
Topics: Amino Acids; Ammonia; Glutamine; Humans; Infant, Newborn; Lysine; Neonatal Screening; Orotic Acid; Pilot Projects; Prospective Studies; Urea | 2022 |
Evaluation of Urea Cycle Activity by Metabolic Flux Analysis Using Mass Spectrometry.
Topics: Ammonia; Hepatocytes; Mass Spectrometry; Metabolic Flux Analysis; Urea | 2022 |
Feed utilization efficiency and ruminal metabolites in beef cattle fed with cassava pulp fermented yeast waste replacement soybean meal.
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Butyric Acid; Cattle; Diet; Dietary Supplements; Digestion; Fermentation; Glycine max; Male; Manihot; Nitrogen; Rumen; Saccharomyces cerevisiae; Urea; Vegetables | 2022 |
Excretion of excess nitrogen and increased survival by loss of SLC6A19 in a mouse model of ornithine transcarbamylase deficiency.
Topics: Amino Acid Metabolism, Inborn Errors; Amino Acid Transport Systems, Neutral; Ammonia; Animals; Disease Models, Animal; Glutamine; Mice; Mice, Knockout; Nitrogen; Ornithine Carbamoyltransferase; Ornithine Carbamoyltransferase Deficiency Disease; Urea | 2023 |
Alterations of Central Liver Metabolism of Pediatric Patients with Non-Alcoholic Fatty Liver Disease.
Topics: Ammonia; Carbohydrates; Child; Glutamine; Humans; Insulin Resistance; Lipids; Liver; Non-alcoholic Fatty Liver Disease; Prevalence; Urea | 2022 |
Two closely related ureotelic fish species of the genus Alcolapia express different levels of ammonium transporters in gills.
Topics: Ammonia; Ammonium Compounds; Animals; Fishes; Gills; Glycoproteins; Membrane Transport Proteins; Urea | 2022 |
Feed tossing behaviour of Holstein cows: evaluation of physiological stress state and rumen fermentation function.
Topics: Alanine Transaminase; Albumins; Ammonia; Animal Feed; Animals; Aspartate Aminotransferases; Cattle; Diet; Fatty Acids, Volatile; Female; Fermentation; Hydrocortisone; Lactate Dehydrogenases; Lactation; Milk; Nitrogen; Norepinephrine; RNA, Ribosomal, 16S; Rumen; Stress, Physiological; Urea | 2022 |
Glutamine synthetase limits β-catenin-mutated liver cancer growth by maintaining nitrogen homeostasis and suppressing mTORC1.
Topics: Ammonia; Animals; beta Catenin; Glutamate-Ammonia Ligase; Glutamine; Homeostasis; Liver; Liver Neoplasms; Mechanistic Target of Rapamycin Complex 1; Mice; Nitrogen; Urea | 2022 |
Mitigation of ammonia and greenhouse gases emissions from urea coated with oil shale residues in a silvopastoral system.
Topics: Agriculture; Ammonia; Fertilizers; Greenhouse Gases; Methane; Minerals; Nitrous Oxide; Reactive Oxygen Species; Soil; Urea | 2023 |
Ammonia detoxification promotes CD8
Topics: Ammonia; Arginase; Arginine; CD8-Positive T-Lymphocytes; Citrulline; Nitric Oxide; Urea | 2023 |
Gene Therapy in Combination with Nitrogen Scavenger Pretreatment Corrects Biochemical and Behavioral Abnormalities of Infant Citrullinemia Type 1 Mice.
Topics: Ammonia; Animals; Argininosuccinate Synthase; Citrullinemia; Genetic Therapy; Mice; Nitrogen; Urea | 2022 |
A novel approach for enhancing nitrogen and hydrogen recovery from urine in microbial electrochemical gas-permeable membrane system.
Topics: Ammonia; Electrodes; Hydrogen; Nitrogen; Urea; Waste Disposal, Fluid | 2023 |
Metabolic Modulation of Intracellular Ammonia via Intravesical Instillation of Nanoporter-Encased Hydrogel Eradicates Bladder Carcinoma.
Topics: Administration, Intravesical; Ammonia; Animals; Carbamoyl-Phosphate Synthase (Ammonia); Carcinoma; Humans; Hydrogels; Mice; Urea; Urease; Urinary Bladder; Urinary Bladder Neoplasms | 2023 |
Urea Decomposition Mechanism by Dinuclear Nickel Complexes.
Topics: Ammonia; Ligands; Nickel; Urea; Urease | 2023 |
Tofu by-product soy whey substitutes urea: Reduced ammonia volatilization, enhanced soil fertility and improved fruit quality in cherry tomato production.
Topics: Agriculture; Ammonia; Fertilizers; Fruit; Nitrogen; Soil; Solanum lycopersicum; Soy Foods; Urea; Volatilization; Whey; Whey Proteins | 2023 |
Nitrogen transporters along the intestinal spiral valve of cloudy catshark (Scyliorhinus torazame): Rhp2, Rhbg, UT.
Topics: Ammonia; Animals; Elasmobranchii; Membrane Transport Proteins; Nitrogen; RNA, Messenger; Urea; Urea Transporters | 2023 |
Amino acids downregulate SIRT4 to detoxify ammonia through the urea cycle.
Topics: Amino Acids; Ammonia; Animals; Cells, Cultured; Male; Mice; Proteomics; Urea | 2023 |
Feline hyperammonemia associated with functional cobalamin deficiency: A case report.
Topics: Amino Acids; Ammonia; Animals; Cat Diseases; Cats; Female; Hyperammonemia; Methylmalonic Acid; Urea; Vitamin B 12; Vitamin B 12 Deficiency | 2023 |
Investigating nitrogen movement in North Pacific spiny dogfish (Squalus acanthias suckleyi), with focus on UT, Rhp2, and Rhbg mRNA abundance.
Topics: Ammonia; Animals; Membrane Transport Proteins; Nitrogen; RNA, Messenger; Squalus; Squalus acanthias; Urea; Urea Transporters | 2023 |
Emersion and recovery alter oxygen consumption, ammonia and urea excretion, and oxidative stress parameters, but not diffusive water exchange or transepithelial potential in the green crab (Carcinus maenas).
Topics: Ammonia; Animals; Brachyura; Catalase; Gills; Oxidative Stress; Oxygen Consumption; Urea; Water | 2023 |
Environmental impact assessment of green ammoniacoupled with urea and ammonium nitrate production.
Topics: Agriculture; Ammonia; Environment; Fertilizers; Urea | 2023 |
Effects of metamifop on ammonia production and metabolism of Monopterus albus.
Topics: Adenosine Triphosphate; Amino Acids; Ammonia; Animals; Glutamate-Ammonia Ligase; Glutamine; Liver; Smegmamorpha; Urea | 2023 |
Characteristics of annual NH
Topics: Agriculture; Ammonia; China; Ecosystem; Fertilizers; Humans; Manure; Nitrogen; Nitrous Oxide; Soil; Urea; Vegetables | 2023 |
Adenoviral Transfer of Human Aquaporin-8 Gene to Mouse Liver Improves Ammonia-Derived Ureagenesis.
Topics: Adenoviridae; Ammonia; Animals; Aquaporins; Humans; Liver; Mice; Urea | 2023 |
Nitrification and urease inhibitors mitigate global warming potential and ammonia volatilization from urea in rice-wheat system in India: A field to lab experiment.
Topics: Agriculture; Ammonia; Fertilizers; Global Warming; Greenhouse Gases; Nitrification; Oryza; Soil; Triticum; Urea; Urease; Volatilization | 2023 |
Citrulline in the management of patients with urea cycle disorders.
Topics: Ammonia; Arginine; Citrulline; Drug-Related Side Effects and Adverse Reactions; Humans; Retrospective Studies; Urea; Urea Cycle Disorders, Inborn | 2023 |
Effects of hotter, drier conditions on gaseous losses from nitrogen fertilisers.
Topics: Agriculture; Ammonia; Fertilizers; Gases; Hot Temperature; Nitrogen; Nitrous Oxide; Soil; Urea; Urease | 2023 |
Modular Functionalization of Metal-Organic Frameworks for Nitrogen Recovery from Fresh Urine.
Topics: Ammonia; Metal-Organic Frameworks; Nitrogen; Urea; Wastewater | 2023 |
Early onset of urea synthesis and ammonia detoxification pathways in three terrestrially developing frogs.
Topics: Ammonia; Animals; Anura; Glutamate-Ammonia Ligase; Larva; Liver; Urea; Water | 2023 |
The physiological consequences of a very large natural meal in a voracious marine fish, the staghorn sculpin (Leptocottus armatus).
Topics: Acid-Base Equilibrium; Ammonia; Animals; Fishes; Perciformes; Urea | 2023 |
Abundance, diversity and physiological preferences of comammox Nitrospira in urban groundwater.
Topics: Ammonia; Archaea; Bacteria; China; Ecosystem; Groundwater; Nitrification; Oxidation-Reduction; Phylogeny; Urea | 2023 |
Contribution of ammonia-oxidizing archaea and bacteria to nitrogen transformation in a soil fertilized with urea and organic amendments.
Topics: Ammonia; Animals; Archaea; Bacteria; Betaproteobacteria; Dissolved Organic Matter; Nitrification; Nitrogen; Oxidation-Reduction; Phylogeny; Soil; Soil Microbiology; Swine; Urea | 2023 |
Transition to glycerol phenylbutyrate for the management of urea cycle disorders: clinical experiences.
Topics: Ammonia; Glutamine; Humans; Quality of Life; Urea; Urea Cycle Disorders, Inborn | 2023 |