urea has been researched along with nitrites in 150 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 74 (49.33) | 18.7374 |
| 1990's | 17 (11.33) | 18.2507 |
| 2000's | 32 (21.33) | 29.6817 |
| 2010's | 17 (11.33) | 24.3611 |
| 2020's | 10 (6.67) | 2.80 |
| Authors | Studies |
|---|---|
| Sander, J; Walz, G | 1 |
| Ostrowski, M | 1 |
| Krogulska, B; Mycielski, R; Szurek, A | 1 |
| Rustia, M; Schenken, J | 1 |
| Jentsch, F | 1 |
| Pavlov, A | 1 |
| Exon, JH; Koller, LD; Nixon, JE | 1 |
| Nixon, JE | 1 |
| fox, JL; Kapp, R; Stevens, SE | 1 |
| Ishiwata, H; Maekawa, A; Odashima, S | 1 |
| Choudary, VP; Rao, GR | 1 |
| Couch, DB; Friedman, MA | 1 |
| Mirvish, SS | 2 |
| Cardesa, A; Mirvish, SS; Shubik, P; Wallcave, L | 1 |
| Chaudhuri, KL; Ghora, BK | 1 |
| Denlinger, RH; Koestner, A | 1 |
| Rustia, M | 3 |
| Strunz, G; Synnott, JA; Unger, I | 1 |
| Maronpot, RR; Narisawa, T; Weisburger, JH; Wong, CQ | 1 |
| Cieszyński, OK; Gałamon, T; Stańkowska-Walczak, D | 1 |
| Abo-Norage, MA; Agag, AE; Atef, M; Hanafy, MS | 1 |
| Albina, JE; Henry, WL | 1 |
| Albina, JE; Caldwell, MD; Henry, WL; Mills, CD | 1 |
| Durack, DT; Granger, DL; Hibbs, JB; Perfect, JR | 1 |
| Gałamon, T; Paszkiewicz, Z | 1 |
| Berger, JW; Vanderkooi, JM | 1 |
| Gałamon, T; Paszkiewicz, Z; Stańkowska-Walczak, D | 1 |
| Naidu, CK; Reddy, TK | 1 |
| Amber, IJ; Hibbs, JB; Taintor, RR; Vavrin, Z | 1 |
| Gałamon, T; Koziński, T | 1 |
| Challis, BC | 1 |
| Exon, JH; Kerkvliet, NI; Koller, LD | 1 |
| Elespuru, RK; Lijinsky, W | 1 |
| Ivankovic, S; Preussmann, R; Schmähl, D; Zeller, J | 1 |
| Olitzki, AL | 1 |
| Sander, J | 2 |
| Cove, DJ; Pateman, JA; Rever, BM | 1 |
| Kester, M; Norton, SJ | 1 |
| Garrett, RH | 1 |
| Hynes, MJ | 1 |
| Hankinson, O | 1 |
| Bicker, U; Osske, G; Schneider, J; Warzok, R | 1 |
| Conrad, E; Keefer, L; Lijinsky, W; Van de Bogart, R | 1 |
| Liebenow, H | 1 |
| Chu, C; Mirvish, SS | 1 |
| Ahmed, HU | 1 |
| Ivankovic, S; Preussmann, R; Schmähl, D; Zeller, WJ | 1 |
| Joklik, WK; Schuerch, AR | 1 |
| Rustia, M; Shubik, P | 1 |
| Cohen, LA | 1 |
| Lindblow, C; Verpoorte, JA | 1 |
| Omura, H; Osajima, Y; Tsutsumi, M | 1 |
| Inglot, AD; Lycke, E; Rönn, O | 1 |
| Greenblatt, M; Kommineni, VR; Mirvish, SS | 1 |
| Eagen, M; Mirvish, SS; Shubik, P; Wallcave, L | 1 |
| Holland, WJ; Lam, LK; Lugosi, R; Thibert, RJ | 1 |
| Magee, PN; Montesano, R | 1 |
| Alexandrov, VA; Jänisch, W | 1 |
| Filner, P; Kelker, HC | 1 |
| Barth, H; Brauss, FW | 1 |
| Ivankovic, S; Preussmann, R | 1 |
| Lisowska, E; Morawiecki, A | 1 |
| Agnihotri, VP | 1 |
| Hara, Y; Kubota, Y; Ueki, H | 1 |
| Cadwallader, DE | 1 |
| Maciak, T; Petzoldt, K; Winkenwerder, W | 1 |
| Krogulska, B; Mycielski, R | 1 |
| Krogulska, B; Mycielski, R; Rekosz, H | 1 |
| Imai, M; Kasama, K; Kitabatake, M; Yoshida, K | 1 |
| Bridle, TM; Dreosti, IE; McMichael, AJ | 1 |
| Grosch, DS | 1 |
| Adler, G; Beckh, K; Günthör, M; Lerch, MM; Weidenbach, H | 1 |
| Cattell, V; Cook, HT; Jansen, A; Largen, P; Lewis, S; O'Donnell, M; Reaveley, D | 1 |
| Arabolos, NS; Byrns, RE; Cederbaum, SD; Griscavage, JM; Ignarro, LJ; Jenkinson, CP; Kern, RM; Wang, WW | 1 |
| Garwacki, S; Karlik, W; Lewicki, J; Souffrant, W; Wiechetek, M | 1 |
| Bingham, SA; Cummings, JH; Ellul, A; Gross, G; Malaveille, C; O'Neill, IK; Pignatelli, B; Pollock, JR; Runswick, S | 1 |
| Bajor, T; Hrabák, A; Mészáros, G; Temesi, A | 1 |
| den Camp, HJ; der Drift, CV; Dijkerman, R; Ledeboer, J; Verhappen, AB; Vogels, GD | 1 |
| Houdijk, AP; Teerlink, T; van Lambalgen, AA; van Leeuwen, PA; Visser, JJ | 1 |
| Benjamin, N; Dykhuizen, RS; Fraser, A; Golden, M; Leifert, C; McKenzie, H | 1 |
| Murphy, C; Newsholme, P | 1 |
| Lähteenmäki, T; Sievi, E; Vapaatalo, H | 1 |
| Igarashi, H; Shimokawa, H; Takeshita, A; Uragami-Harasawa, L; Zhao, H | 1 |
| Kim, CY; Kim, TH; Lee, HS; Woo, GH; Yoon, JH | 1 |
| Bayindir, O; Güner, I; Habif, S; Mutaf, I; Ozmen, D; Parildar, Z; Toprakçi, M; Turgan, N | 1 |
| Chen, JC; Cheng, SY | 2 |
| Alexander, CB; Christie, JD; de Andrade, JA; Jackson, RM; McGiffin, DC; Young, KR; Zorn, GL | 1 |
| Aslam, M; Huffaker, RC; Rosichan, JL | 1 |
| Büyükafşar, K; Düşmez, D; Levent, A; Oztürk, H; Polat, G; Yazar, A | 1 |
| Chicoine, LG; Nash, HE; Nelin, LD | 1 |
| Ho, CY; Lam, CW; Li, EK; Tam, LS; Wong, CK | 1 |
| Ebie, Y; Hirata, A; Inamori, Y; Matsumura, M; Noda, N; Tsuneda, S | 1 |
| Ghosh, S; Mukherjee, S; Regulski, M; Sahoo, R; Sengupta, R; Stuehr, DJ; Tully, T | 1 |
| COVE, DJ; PATEMAN, JA; REVER, BM; ROBERTS, DB | 1 |
| BOUTWELL, JH | 1 |
| FURUTANI, S; OMURA, H; OSAJIMA, Y; YAMAFUJI, K | 1 |
| Chicoine, LG; Nelin, LD; Paffett, ML; Young, TL | 1 |
| Al-Busiri, N; Al-Othman, S; Diejomaoh, FM; Fatinikun, T; Fernandes, S; Omu, AE; Taher, S | 1 |
| Chen, JC; Cheng, SY; Lee, WC; Shieh, LW | 1 |
| Anitha Nandhini, AT; Anuradha, CV; Thirunavukkarasu, V | 1 |
| Bhatia, A; Jain, N; Malla, G; Pathak, H; Prasad, S; Singh, J | 1 |
| Cortes, U; Cuzzocrea, S; Di Poala, R; Mazzon, E; Mota-Filipe, H; Patel, NS; Thiemermann, C; Wang, ZQ | 1 |
| Chen, JC; Cheng, SY; Lee, WC | 1 |
| Koops, HP; Pommerening-Röser, A | 1 |
| Chicoine, LG; English, BK; Liu, Y; Nelin, LD; Reber, KM; Young, TL | 1 |
| Barbeito, L; Beckman, JS; Cassina, P; Pehar, M; Vargas, MR | 1 |
| Abraham, P; Dhanarajan, R; Isaac, B | 1 |
| Chopra, K; Kuhad, A; Pilkhwal, S; Tirkey, N | 1 |
| Devakumar, C; Kakkar, G; Kumar, D; Kumar, R; Panneerselvam, P; Sharma, V | 1 |
| Aggarwal, R; Agnihotri, N; Dutta, N; Gupta, S; Sarotra, P | 1 |
| Frey, AB; Monu, N | 1 |
| Biecker, E; Clemens, C; Eckhardt, A; Fischer, N; Heller, J; Hennenberg, M; Lammert, F; Leifeld, L; Pröbsting, AS; Sauerbruch, T; Trebicka, J | 1 |
| Arivalagan, T; Devakumar, C; Kakkar, G; Kumar, D; Kumar, R; Panneerselvam, P | 1 |
| Drasković, B; Magić, Z; Supić, G; Vasiljevska, M; Zunić, G | 1 |
| Ciavatta, C; Garcia-Mina, JM; Giovannini, C; Marzadori, C | 1 |
| Dendooven, L; Fernández-Luqueño, F; Gutierrez-Miceli, FA; López-Valdez, F; Méndez-Bautista, J; Mendoza-Cristino, R; Montes-Molina, JA | 1 |
| Fu, JR; Ma, JW; Ye, J; Ye, XZ; Yu, QG | 1 |
| Gao, Y; Huang, C; Xue, D; Yao, H | 1 |
| Córdova, A; Ferrer, MD; Pérez, G; Pons, A; Sureda, A; Tur, JA | 1 |
| de Bittencourt, PI; Flatt, PR; Krause, MS; McClenaghan, NH; Murphy, C; Newsholme, P | 1 |
| Post, AF; Rihtman, B; Wang, Q | 1 |
| Basiliuk, OV; Korkach, IuP; Kotsiuruba, AV; Sagach, VF; Stepanenko, LG; Talanov, SO | 1 |
| Czerwinski, J; Emmenegger, L; Haag, R; Heeb, NV; Honegger, P; Kasper, M; Mayer, A; Schmid, P; Seiler, C; Ulrich, A; Wichser, A; Zennegg, M; Zeyer, K; Zimmerli, Y | 1 |
| Abdel-latif, RG; El-Moselhy, MA; Khalifa, MA; Morsy, MA | 1 |
| Spasić, S; Tomić, A; Zunić, G | 1 |
| García-García, N; Hernández-Muñoz, R; Méndez-Rodríguez, ML; Olguín-Martínez, M; Quintana-Quintana, M; Ramírez-Zamora, S; Sánchez-Sevilla, L | 1 |
| Albertsen, M; Daims, H; Herbold, C; Kitzinger, K; Koch, H; Lücker, S; Nielsen, PH; Spieck, E; Wagner, M | 1 |
| Dello Russo, C; Laudati, E; Lisi, L; Miscioscia, TF; Navarra, P; Topai, A | 1 |
| Huang, W; Kong, F; Li, J; Li, Y; Xi, M; Zhang, J; Zheng, Z | 1 |
| Bilanda, DC; Dimo, T; Dzeufiet Djomeni, PD; Kameni Poumeni, M; Kamtchouing, P; Mballa, MF; Mengue Ngadena, YS; Ngoungoure, MC; Ouafo, AC | 1 |
| Abd-Eldayem, AM; Abdel-Zaher, AO; El-Refaiy, AEM; Farghaly, HSM | 1 |
| Barney, BM; Knutson, CM; Liming, RA; Plunkett, MH | 1 |
| Bristow, LA; Hach, PF; Herbold, CW; Kidane, AT; Kitzinger, K; Könneke, M; Kuypers, MMM; Littmann, S; Marchant, HK; Mooshammer, M; Niggemann, J; Padilla, CC; Petrov, S; Richter, A; Stewart, FJ; Wagner, M | 1 |
| Abdou Mohamed, D; Bayoumi Abd El Khalek, A; El-Sayed Hamed, T; Elsayed Mohammed, S; Youssef Al-Okbi, S | 1 |
| Barys, J; Boon, N; Christiaens, MER; Clauwaert, P; De Paepe, J; De Vrieze, J; Ilgrande, C; Lievens, B; Meerbergen, K; Teirlinck, P; Vlaeminck, SE | 1 |
| Cui, L; Ke, C; Wang, S; Yang, S; Zhang, X; Zhao, C; Zhu, B | 1 |
| Chen, Z; Deng, C; Hu, H; Wang, R; Wang, X; Zhong, Z | 1 |
| Hu, B; Hu, J; Jia, Z; Wang, J; Yang, W; Zhao, Y; Zheng, P | 1 |
| Das, D; Sen, K; Sen, S | 1 |
| Akour, A; Al-Tammemi, AB; AlMuhaissen, SA; Alrawashdeh, MN; An, H; Anastasia, L; Apkon, S; Armstrong, WS; Ayala Izurieta, JE; Barnett, K; Bhowmick, S; Biniskos, N; Booka, E; Brown, JC; Buchanan, SW; Campbell, C; Camporeale, A; Cantos, VD; Cao, Z; Chakraborty, RD; Chaturvedi, V; Chen, C; Chen, G; Chen, Y; Chou, PT; Ciconte, G; Colasanti, JA; Collins, LF; Darras, BT; de Carvalho, RM; De Morais, DC; Delegido, J; Dodd, J; Doki, Y; Dunfield, K; Elfring, G; Feng, B; Ferry, VE; Galaviz, KI; García, VJ; Greven, M; Guo, J; Gutierrez, M; Hameed, S; Hippler, M; Huang, JW; Isaac, ME; Ishihara, R; Ishikawa, H; Ito, Y; Jacobson, A; Jalouqa, S; James, TD; Jara Santillán, CA; Jiang, K; Jordan, R; Kampf, JW; Kato, H; Kato, K; Katzmarzyk, PT; Kaviani, A; Kawachi, H; Kawakubo, H; Khansari Nejad, N; Kitagawa, Y; Kojima, T; Kono, K; Koplowitz, B; Kubo, Y; Kuribayashi, S; Lahiri, CD; Lei, H; Leighton, C; Li, J; Liu, G; Lombardi, M; Lu, Y; Luo, Y; Ma, P; Mafa-Attoye, T; Mahmoud, NN; Makhlina, M; Makino, T; Manguso, F; Mano, M; Manso, AP; Marconi, VC; Márquez, CO; Matsubara, H; Matsuda, S; McDonald, CM; Mecarocci, V; Metcalfe, GD; Micaglio, E; Miele, L; Mire, EF; Miyazaki, T; Moi, CT; Moore, CM; Moran, CA; Muto, M; Nemoto, K; Nguyen, ML; Nusair, MB; Ochoa, A; Owen, G; Oyama, T; Palma-Dibb, RG; Pappone, C; Parsons, JA; Pasqualotto, N; Peltz, SW; Pesco Koplowitz, L; Pica, S; Postiglione, WM; Qureshi, M; Rhodes, J; Saeki, H; Sakai, M; Santinelli, V; Santos, C; Shah, NS; Shanahan, JP; Shieh, PB; Sisti, JM; Smith, TW; Sohda, M; Song, Y; Spana, C; Sturla, F; Su, BK; Sumitani, J; Szabo, B; Szymczak, NK; Tabiś, W; Takeuchi, H; Tang, X; Thevathasan, NV; Toh, Y; Tondi, L; Trifillis, P; Tsushima, T; Van Wittenberghe, S; Vicedomini, G; Wang, H; Wang, K; Wang, S; Wang, W; Wang, X; Wang, Y; Wu, F; Wu, X; Yamaji, T; Yamamoto, K; Yamatsuji, T; Yang, L; Yang, S; Yang, WH; Yang, Y; Yoshida, M; Yu, B; Yuan, L; Zabaleta, J; Zhang, C; Zhang, H; Zhang, L; Zhang, X; Zhang, Z; Zheng, WQ; Zheng, YX; Zhou, H; Zhou, J; Zhou, N; Zhu, W | 1 |
| Klinkova, A; Li, F; Medvedev, JJ; Tatarchuk, SW; Tobolovskaya, Y | 1 |
| DeBruyn, JM; Hu, J; Jagadamma, S; Keyser, PD; Richwine, JD; Yao, F | 1 |
| Hafez, HM; Hammady, SH; Ibrahim, MA; Ibrahim, YF; Rifaai, RA; Waz, S | 1 |
| Cui, Z; Gao, C; Shi, X; Wang, W; Yang, F; Yang, W | 1 |
| Cota Teixeira, S; da Fonseca Batistao, DW; de Araujo, TE; de Freitas Barbosa, B; de Oliveira Gomes, A; de Oliveira, FC; Favoreto, S; Ferro, EAV; Franco, PS; Guimaraes Gois, PS; Guirelli, PM; Licia Santos Ferreira, G; Mineo, JR | 1 |
4 review(s) available for urea and nitrites
| Article | Year |
|---|---|
Blocking the formation of N-nitroso compounds with ascorbic acid in vitro and in vivo.
Topics: Adenoma; Amines; Aminopyrine; Animals; Ascorbic Acid; Dimethylnitrosamine; Female; Liver; Lung Neoplasms; Mice; Morpholines; Neoplasms, Experimental; Nitrites; Nitrosamines; Nitroso Compounds; Pregnancy; Rats; Urea | 1975 |
Nutrition and nitrosamine formation.
Topics: Amides; Amines; Animals; Diet; Food Preservatives; Gastric Mucosa; Humans; Neoplasms; Nitrites; Nitrogen Oxides; Nitrosamines; Nitroso Compounds; Nutritional Physiological Phenomena; Oxidation-Reduction; Saliva; Urea | 1985 |
Group-specific reagents in protein chemistry.
Topics: Anhydrides; Azoles; Carbon; Cyanates; Electricity; Guanidines; Halogens; Imides; Indicators and Reagents; Iodine; Light; Nitriles; Nitrites; Nitrobenzenes; Peroxides; Proteins; Sulfonic Acids; Sulfur; Urea | 1968 |
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 |
1 trial(s) available for urea and nitrites
| Article | Year |
|---|---|
L-citrulline-malate influence over branched chain amino acid utilization during exercise.
Topics: Administration, Oral; Amino Acids, Branched-Chain; Arginine; Bicycling; Biomarkers; Citrulline; Creatinine; Dietary Proteins; Dietary Supplements; Double-Blind Method; Exercise; Human Growth Hormone; Humans; Insulin; Malates; Male; Muscle, Skeletal; Nitrites; Ornithine; Time Factors; Urea; Young Adult | 2010 |
145 other study(ies) available for urea and nitrites
| Article | Year |
|---|---|
Screening for nitrosodimethylamine in human urine and experiments on the formation of this carcinogen from the analgesic amidopyrine in bacterial model systems.
Topics: Aminopyrine; Ascorbic Acid; Bacteria; Dimethylnitrosamine; Escherichia coli; Glucose; Humans; Hydrogen-Ion Concentration; Models, Biological; Nitrites; Nitrosamines; Urea | 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 |
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 |
Transplacental effects of ethylnitrosourea precursors ethylurea and sodium nitrite in hamsters.
Topics: Animals; Cricetinae; Estrogens; Ethylnitrosourea; Female; Male; Maternal-Fetal Exchange; Mesocricetus; Neoplasms, Experimental; Neoplasms, Nerve Tissue; Nitrites; Nitrosourea Compounds; Peripheral Nervous System Neoplasms; Pregnancy; Sex Factors; Urea | 1976 |
[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 |
[Express methods of determining the biochemical properties of pathogenic microorganisms].
Topics: Bacteriological Techniques; Culture Media; Enterobacteriaceae; Escherichia; Hydrogen Sulfide; Indoles; Nitrates; Nitrites; Proteus; Salmonella; Urea | 1978 |
Effect of methylmercury chloride on transplacental tumors induced by sodium nitrite and ethylurea in rats.
Topics: Animals; Cocarcinogenesis; Female; Male; Maternal-Fetal Exchange; Methylmercury Compounds; Neoplasms, Experimental; Nervous System Neoplasms; Nitrites; Pregnancy; Rats; Sodium Nitrite; Time Factors; Urea | 1979 |
Toxic synergism of methylmercury with sodium nitrite and ethylurea on reproduction and survival of progeny in rats.
Topics: Animals; Birth Weight; Drug Synergism; Female; Methylmercury Compounds; Nitrites; Pregnancy; Rats; Reproduction; Time Factors; Urea | 1977 |
A survey of available nitrogen sources for growth of the blue-green alga, Agmenellum quadruplicatum.
Topics: Amino Acids; Ammonium Chloride; Cyanobacteria; Nitrates; Nitrites; Nitrogen; Proline; Purines; Urea | 1975 |
Transplacental carcinogenesis and chemical determination of 1-butyl-1-nitrosourea in stomach content after simultaneous oral administration of 1-butylurea and sodium nitrite to ACI/N rats.
Topics: Animals; Brain Neoplasms; Female; Gastric Mucosa; Glioma; Male; Maternal-Fetal Exchange; Neoplasms, Experimental; Neurilemmoma; Nitrites; Nitrosourea Compounds; Oligodendroglioma; Peripheral Nervous System Neoplasms; Pregnancy; Rats; Rats, Inbred ACI; Spinal Cord Neoplasms; Urea | 1977 |
Regulatory properties of yeast nitrate reductase in situ.
Topics: Amino Acids; Ammonium Sulfate; Candida; Cell Membrane Permeability; Enzyme Induction; Enzyme Repression; Ethanol; Glutamates; Hydrazines; Hydroxylamines; Nitrate Reductases; Nitrates; Nitrites; Toluene; Urea | 1976 |
Interactive mutagenicity of sodium nitrite, dimethylamine, methylurea and ethylurea.
Topics: Animals; Dimethylamines; Dose-Response Relationship, Drug; Drug Interactions; Male; Methylurea Compounds; Mice; Mutagens; Mutation; Nitrites; Nitrosamines; Salmonella typhimurium; Sodium; Time Factors; Urea | 1975 |
Induction of mouse lung adenomas by amines or ureas plus nitrite and by N-nitroso compounds: effect of ascorbate, gallic acid, thiocyanate, and caffeine.
Topics: Adenoma; Amines; Animals; Ascorbic Acid; Caffeine; Dose-Response Relationship, Drug; Gallic Acid; Lung Neoplasms; Male; Methylurea Compounds; Mice; Mice, Inbred A; Morpholines; Neoplasms, Experimental; Nitrites; Nitroso Compounds; Piperazines; Thiocyanates; Urea | 1975 |
Comparative studies on the role of nitrogenous compounds in the growth and perithecial development of Chaetomium aureum.
Topics: Amino Acids; Ascomycota; Chaetomium; Culture Media; Nitrates; Nitrites; Nitrogen; Quaternary Ammonium Compounds; Temperature; Urea | 1975 |
Induction of neurogenic and lymphoid neoplasms by the feeding of threshold levels of methyl- and ethylnitrousourea precursors to adult rats.
Topics: Animals; Brain Neoplasms; Ethylnitrosourea; Female; Lymphoma; Mammary Neoplasms, Experimental; Methylnitrosourea; Methylurea Compounds; Neoplasms, Experimental; Nitrites; Nitrosourea Compounds; Peripheral Nervous System Neoplasms; Pituitary Neoplasms; Rats; Urea | 1975 |
Inhibitory effect of sodium ascorbate on ethylurea and sodium nitrite carcinogensis and negative findings in progeny after intestinal inoculation of precursors into pregnant hamsters.
Topics: Animals; Ascorbic Acid; Astrocytoma; Brain Neoplasms; Cecum; Cricetinae; Ethylnitrosourea; Female; Intubation, Gastrointestinal; Male; Maternal-Fetal Exchange; Neoplasms, Experimental; Nitrites; Nitroso Compounds; Peripheral Nervous System Neoplasms; Pons; Pregnancy; Sex Factors; Urea | 1975 |
On the reactions of NaNO2 with ethyl urea in the presence and absence of ascorbic acid.
Topics: Ascorbic Acid; Chemical Phenomena; Chemistry; Nitrites; Urea | 1975 |
The effect of gonadal ablation on transplacentally induced neurogenic tumors in hamsters.
Topics: Adrenal Cortex; Animals; Brain Neoplasms; Brain Stem; Castration; Cricetinae; Female; Gonads; Hyperplasia; Male; Maternal-Fetal Exchange; Neoplasms, Experimental; Nitrites; Ovary; Peripheral Nervous System Neoplasms; Pregnancy; Sex Factors; Spinal Cord Neoplasms; Testis; Urea | 1976 |
Large bowel carcinogenesis in mice and rats by several intrarectal doses of methylnitrosourea and negative effect of nitrite plus methylurea.
Topics: Adenocarcinoma; Adenoma; Animals; Carcinoma, Squamous Cell; Colonic Neoplasms; Dose-Response Relationship, Drug; Female; Intestinal Neoplasms; Intestine, Large; Lung Neoplasms; Lymphoma; Male; Methylnitrosourea; Mice; Nitrites; Nitrosourea Compounds; Rectal Neoplasms; Thymus Neoplasms; Urea | 1976 |
[Determining the levels of selected pesticides, nitrates, nitrites, ammonium ions, sulfates, chlorides and urea in surface and underground waters. VII].
Topics: Chlorfenvinphos; Hexachlorocyclohexane; Maximum Allowable Concentration; Methoxychlor; Nitrates; Nitrites; Poland; Sulfates; Urea; Water Pollutants, Chemical | 1991 |
Pharmacotoxicological aspects of nitrate and nitrite in domestic fowls.
Topics: Alanine Transaminase; Animals; Antibody Formation; Bursa of Fabricius; Chickens; Creatinine; Erythrocyte Count; Hemagglutination Tests; Hypersensitivity, Delayed; Immunity, Cellular; Kidney; Liver; Male; Methemoglobin; Nitrates; Nitrites; Urea; Weight Gain | 1991 |
Suppression of lymphocyte proliferation through the nitric oxide synthesizing pathway.
Topics: Animals; Arginase; Arginine; Cell Adhesion; Cells, Cultured; Concanavalin A; Hemoglobins; In Vitro Techniques; Lymphocyte Activation; Lymphocytes; Mice; Nitric Oxide; Nitrites; omega-N-Methylarginine; Rats; Spleen; Urea | 1991 |
Temporal expression of different pathways of 1-arginine metabolism in healing wounds.
Topics: Animals; Arginase; Arginine; Cells, Cultured; Citrulline; Hydrolases; In Vitro Techniques; Macrophages; Male; Neutrophils; Nitrites; Ornithine; Rats; Urea; Wound Healing | 1990 |
Metabolic fate of L-arginine in relation to microbiostatic capability of murine macrophages.
Topics: Animals; Arginine; Carbon Radioisotopes; Cells, Cultured; Cryptococcus neoformans; Escherichia coli; Kinetics; Macrophages; Mice; Mycobacterium bovis; Nitrates; Nitrites; Phagocytosis; Radioisotope Dilution Technique; Urea | 1990 |
[Determination of certain pesticides, nitrates, nitrites, ammonium ions, sulphates, urea and chlorides in surface and underground water and in certain agricultural products. VI].
Topics: Chlorides; Nitrates; Nitrites; Pesticides; Poland; Quaternary Ammonium Compounds; Solanum tuberosum; Sulfates; Urea; Water Pollutants; Water Pollutants, Chemical | 1989 |
Characterization of lens alpha-crystallin tryptophan microenvironments by room temperature phosphorescence spectroscopy.
Topics: Acrylamide; Acrylamides; Crystallins; Guanidine; Guanidines; Iodides; Luminescent Measurements; Nitrites; Protein Conformation; Protein Denaturation; Spectrum Analysis; Temperature; Thermodynamics; Tryptophan; Urea | 1989 |
[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 |
Effect of cadmium on microorganisms and microbe-mediated mineralization process in the soil.
Topics: Bacteria; Cadmium; Fungi; Minerals; Nitrates; Nitrites; Soil Microbiology; Soil Pollutants; Urea | 1988 |
Cytokines induce an L-arginine-dependent effector system in nonmacrophage cells.
Topics: Animals; Arginine; Biological Products; Citrulline; Cytokines; Humans; Lipopolysaccharides; Mammary Neoplasms, Experimental; Nitrates; Nitrites; Tumor Cells, Cultured; Urea | 1988 |
[Determining the levels of selected pesticides, nitrates, nitrites, ammonium ions, sulfates and urea in surface and underground waters and in various agricultural products. IV].
Topics: Fresh Water; Insecticides; Nitrates; Nitrites; Poland; Quaternary Ammonium Compounds; Solanum tuberosum; Sulfates; Urea; Water Pollutants; Water Pollutants, Chemical | 1987 |
Neoplasia induced in male rats fed lead acetate, ethyl urea, and sodium nitrite.
Topics: Animals; Disease Models, Animal; Kidney Neoplasms; Lead; Male; Neoplasms, Experimental; Nitrites; Organometallic Compounds; Rats; Rats, Inbred Strains; Sodium Nitrite; Time Factors; Urea | 1985 |
The formation of carcinogenic nitroso compounds from nitrite and some types of agricultural chemicals.
Topics: Carbaryl; Carcinogens; Chemical Phenomena; Chemistry; Insecticides; Nitrites; Nitrosamines; Nitroso Compounds; Pesticides; Temperature; Thiourea; Urea | 1973 |
[Prevention of nitrosamide-induced hydrocephali by ascorbic acid after prenatal administration of ethylurea and nitrite to rats].
Topics: Animals; Ascorbic Acid; Female; Hydrocephalus; Nitrites; Nitroso Compounds; Nitrosourea Compounds; Pregnancy; Rats; Urea | 1973 |
Effect of inorganic and organic substances containing sulfur or nitrogen and of vitamins on the growth of Mycobacterium leprae.
Topics: Ascorbic Acid; Culture Media; Cysteine; Cystine; Dimethyl Sulfoxide; Folic Acid; Guanosine; Histidine; Mycobacterium leprae; Niacinamide; Nitrates; Nitrites; Nitrogen; Pyridoxal; Sulfur; Thiamine Pyrophosphate; Thiosulfates; Urea; Uric Acid; Vitamins | 1974 |
[Formation of carcinogenic nitroso compounds in the stomach of laboratory animals and their significance for man. 2].
Topics: Acetamides; Amides; Animal Nutritional Physiological Phenomena; Animals; Body Weight; Carcinogens; Gastric Mucosa; Imidazoles; Neoplasms; Neurilemmoma; Nitrites; Nitroso Compounds; Rats; Urea; Urethane; Wilms Tumor | 1971 |
Genetic and biochemical studies of nitrate reduction in Aspergillus nidulans.
Topics: Aspergillus; Cytochromes; Electron Transport; Enzyme Induction; Enzyme Repression; Flavin-Adenine Dinucleotide; Hydroxylamines; Molecular Biology; Mutation; NADP; Nitrates; Nitrites; Oxidoreductases; Quaternary Ammonium Compounds; Urea | 1967 |
Escherichia coli pyridine I-oxide reductase.
Topics: Ammonium Sulfate; Chemical Precipitation; Chromatography, DEAE-Cellulose; Colorimetry; Cyclic N-Oxides; Cytochromes; Dialysis; Enzyme Activation; Enzyme Induction; Escherichia coli; Guanidines; NAD; NADP; Nitrates; Nitrites; Nitrobenzenes; Oxidoreductases; Paraquat; Quinolines; Urea | 1972 |
The induction of nitrite reductase in Neurospora crassa.
Topics: Amino Acids; Benzyl Compounds; Culture Media; Enzyme Induction; Enzyme Repression; Hydroxylamines; Kinetics; NADP; Neurospora; Neurospora crassa; Nitrates; Nitrites; Oxidoreductases; Pyridinium Compounds; Quaternary Ammonium Compounds; Urea | 1972 |
Multiple carcinogenic effects of the ethylnitrosourea precursors ethylurea and sodium nitrite in hamsters.
Topics: Age Factors; Animals; Carcinogens; Carcinoma, Squamous Cell; Cricetinae; Female; Liver Neoplasms; Male; Neoplasms, Experimental; Neoplasms, Vascular Tissue; Nitrites; Nitrosourea Compounds; Ovarian Neoplasms; Papilloma; Peripheral Nerves; Splenic Neoplasms; Stomach Neoplasms; Urea; Vaginal Neoplasms | 1974 |
Pleiotropic mutants affecting the control of nitrogen metabolism in Aspergillus nidulans.
Topics: Aspergillus nidulans; Cystine; Enzyme Repression; Genes, Dominant; Genes, Regulator; Glucose; Histidine; Lysine; Mutation; Nitrate Reductases; Nitrates; Nitrites; Nitrogen; Phenotype; Urea | 1973 |
Mutants of the pentose phosphate pathway in Aspergillus nidulans.
Topics: Alcohol Oxidoreductases; Aspergillus nidulans; Carbohydrate Metabolism; Cell-Free System; Chromosome Mapping; Crosses, Genetic; Culture Media; Genes; Glucose-6-Phosphate Isomerase; Glucosephosphate Dehydrogenase; Heptoses; Mutagens; Mutation; Nitrate Reductases; Nitrates; Nitrite Reductases; Nitrites; Nitrosoguanidines; Pentosephosphates; Recombination, Genetic; Sugar Phosphates; Transaldolase; Urea | 1974 |
[Induction of tumours in rats by endogenously formed cancerogens after oral administration of n-propyl-, iso-propyl- or n-butyl-urea and sodium nitrite (author's transl)].
Topics: Abdominal Neoplasms; Animals; Carcinogens; Female; Lymphoma, Large B-Cell, Diffuse; Male; Nitrites; Rats; Rats, Inbred Strains; Sarcoma, Experimental; Urea | 1974 |
Nitrosation of tertiary amines and some biologic implications.
Topics: Amines; Carcinogens; Dealkylation; Dimethylamines; Dimethylformamide; Environmental Exposure; Ethanolamines; Food Additives; Humans; Hydrogen-Ion Concentration; Methylamines; Morpholines; Naphthalenes; Neoplasms; Nitrites; Nitrosamines; p-Dimethylaminoazobenzene; Piperazines; Piperidines; Propylamines; Pyrrolidines; Temperature; Time Factors; Urea | 1972 |
[Nitrate and nitrite and their relationship to man and animals. 6. Methods for lowering the nitrate and nitrite content of feed plants by fertilization with trace elements and urea].
Topics: Agriculture; Animal Feed; Colorimetry; Copper; Edible Grain; Manganese; Molybdenum; Nitrates; Nitrites; Plants; Poaceae; Soil; Spectrophotometry; Trace Elements; Urea; Vegetables | 1972 |
Chemical determination of methylnitrosourea and ethylnitrosourea in stomach contents of rats, after intubation of the alkylureas plus sodium nitrite.
Topics: Animal Feed; Animals; Bicarbonates; Chromatography, Thin Layer; Gastric Juice; Gastric Mucosa; Intubation, Gastrointestinal; Male; Methods; Nitrites; Nitrosourea Compounds; Rats; Sodium; Stomach; Ultraviolet Rays; Urea | 1973 |
Nitrogen utilization of highly and weakly virulent isolates of Collectotrichum falcatum Went.
Topics: Amino Acids; Carbonates; Mitosporic Fungi; Molybdenum; Nitrates; Nitrites; Nitrogen; Phosphates; Plant Diseases; Quaternary Ammonium Compounds; Spores, Fungal; Stereoisomerism; Sulfates; Urea; Virulence | 1973 |
[Ascorbic acid hinderance of the prenatal carcinogenic effect of ethylurea and nitrite].
Topics: Animals; Ascorbic Acid; Brain Neoplasms; Carcinogens; Cranial Nerves; Drug Interactions; Female; Gestational Age; Nitrites; Peripheral Nervous System Neoplasms; Pregnancy; Rats; Spinal Cord Neoplasms; Urea | 1973 |
Temperature-sensitive mutants of reovirus. IV. Evidence that anomalous electrophoretic migration behavior of certain double-stranded RNA hybrid species is mutant group-specific.
Topics: Acridines; Animals; Autoradiography; Carbon Radioisotopes; Densitometry; Electrophoresis, Polyacrylamide Gel; Formamides; Hybridization, Genetic; L Cells; Mice; Mutagens; Mutation; Nitrites; Nitrosoguanidines; Nucleic Acid Hybridization; Reoviridae; RNA, Viral; Temperature; Urea | 1973 |
Prenatal induction of neurogenic tumors in hamsters by precursors ethylurea and sodium nitrite.
Topics: Animals; Cricetinae; Female; Fetus; Gestational Age; Male; Maternal-Fetal Exchange; Neoplasms, Experimental; Nitrites; Peripheral Nervous System Neoplasms; Pregnancy; Sex Factors; Urea | 1974 |
Nitration and iodination of human carbonic anhydrases. Effects on enzyme activity and on optical properties.
Topics: Carbonic Anhydrases; Erythrocytes; Humans; Hydrogen-Ion Concentration; Iodine; Light; Mathematics; Methane; Nitrites; Spectrum Analysis; Tyrosine; Ultraviolet Rays; Urea | 1968 |
Proof of existence of oximase activity in leaf of higher plants.
Topics: Azides; Chloromercuribenzoates; Edetic Acid; Hydroxylamines; Iodoacetates; Nitrates; Nitrites; Oxidoreductases; Oximes; Plants; Quaternary Ammonium Compounds; Sulfates; Thiourea; Urea; Uric Acid | 1967 |
Non-genetic reactivation of differently inactivated vaccinia virus.
Topics: Animals; Anti-Inflammatory Agents; Cell Line; Chickens; Chlorides; Chloromercuribenzoates; Culture Media; Erythrocytes; Flufenamic Acid; Fluorine; Haplorhini; Hemadsorption; Hot Temperature; Indomethacin; Iodoacetates; Kidney; Light; Mercury; Nitrites; Nitrogen Mustard Compounds; ortho-Aminobenzoates; Time Factors; Urea; Vaccinia virus; Virus Replication | 1970 |
Nitrosamide formation in vivo: induction of lung adenomas in Swiss mice by concurrent feeding of nitrite and methylurea or ethylurea.
Topics: Adenocarcinoma; Adenoma; Animals; Carcinogens; Female; Kinetics; Lung Neoplasms; Lymphoma; Male; Mice; Neoplasms, Experimental; Nitrites; Nitroso Compounds; Nitrosourea Compounds; Urea | 1972 |
Ascorbate-nitrite reaction: possible means of blocking the formation of carcinogenic N-nitroso compounds.
Topics: Aniline Compounds; Ascorbic Acid; Carcinogens; Chemical Phenomena; Chemistry; Depression, Chemical; Hydrogen-Ion Concentration; Kinetics; Methylamines; Morpholines; Nitrites; Nitroso Compounds; Oxytetracycline; Piperazines; Structure-Activity Relationship; Urea | 1972 |
A study of the reaction of urea with diacetyl monoxime and diacetyl.
Topics: Butanones; Chemical Phenomena; Chemistry; Nitrites; Oximes; Spectrophotometry; Spectrophotometry, Infrared; Urea | 1972 |
Evidence of formation of N-methul-N-nitrosourea in rats given N-methylurea and sodium nitrite.
Topics: Amines; Animals; Carbon Isotopes; Carcinogens; Chromatography, Ion Exchange; DNA; Female; Gastric Mucosa; Intestine, Small; Liver; Methylation; Nitrites; Nitroso Compounds; Nucleic Acids; Rats; Urea | 1971 |
Kinetics of nitrosamide formation from alkylureas, N-alkylurethans, and alkylguanidines: possible implications for the etiology of human gastric cancer.
Topics: Arginine; Carcinogens; Chemical Phenomena; Chemistry; Citrulline; Diet; Guanidines; Humans; Kinetics; Nitrites; Nitroso Compounds; Nitrosoguanidines; Nitrosourea Compounds; Sodium; Spectrophotometry; Stomach Neoplasms; Urea; Urethane | 1971 |
[Teratogenic effect of ethylurea and nitrite in rats].
Topics: Abnormalities, Drug-Induced; Anencephaly; Animals; Embryo, Mammalian; Female; Hernia, Ventral; Hydrocephalus; Maternal-Fetal Exchange; Nitrites; Nitrosourea Compounds; Pregnancy; Rats; 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 |
[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 |
[Induction of malignant tumors in rats by oral administration of N,N'-dimethylurea and nitrite].
Topics: Animals; Brain Neoplasms; Carcinogens; Female; Heart Neoplasms; Kidney Neoplasms; Neoplasms, Experimental; Nitrites; Rats; Sodium; Spinal Cord Neoplasms; Thymus Neoplasms; Thyroid Neoplasms; Urea | 1970 |
[Transplacental formation of malignant tumors after oral administration of ethylurea and nitrite to rats].
Topics: Administration, Oral; Animals; Female; Leukemia, Experimental; Maternal-Fetal Exchange; Neoplasms, Experimental; Nitrites; Pregnancy; Rats; Urea | 1970 |
The role of free amino groups in the blood group activity of M and N mucoids.
Topics: Amines; Anhydrides; Animals; Antigen-Antibody Reactions; Blood Group Antigens; Chemical Phenomena; Chemistry; Depression, Chemical; Erythrocytes; Fluorine; Hemagglutination Inhibition Tests; Humans; Immune Sera; Lectins; Lysine; Mucoproteins; Neuraminidase; Nitrites; Nitrobenzenes; Peptides; Rabbits; Urea; Vibrio | 1967 |
Studies on Colletotrichum capsici. V. Utilization of organic acids.
Topics: Acids; Fungi; Glutamates; Lactates; Nitrates; Nitrites; Quaternary Ammonium Compounds; Spores; Urea | 1968 |
Biochemical studies on human salivary proteins. 3. Amino acid composition and stability of the hypocalcemic fraction from the pronase digest of saliva-parotin-A.
Topics: Acids; Alkalies; Amino Acids; Amino Sugars; Animals; Calcium; Carbohydrates; Female; Galactose; Glucosamine; Hormones; Hot Temperature; Hypocalcemia; Leukocytosis; Nitrites; Nitrogen Mustard Compounds; Parotid Gland; Peptide Hydrolases; Rabbits; Saliva; Spectrophotometry; Ultraviolet Rays; Urea | 1968 |
Urea as a tableting agent for benzalkonium chloride.
Topics: Benzalkonium Compounds; Carbonates; Drug Compounding; Drug Stability; Infrared Rays; Methods; Nitrites; Spectrophotometry; Tablets; Urea | 1969 |
[Comparative culturalbiochemical and electron optical studies on isolated vibriones of cattle, horses, swine and chickens].
Topics: Animals; Cattle; Chickens; Culture Techniques; Freeze Drying; Horses; Indoles; Microscopy, Electron; Nitrates; Nitrites; Swine; Urea; Vibrio; Virus Cultivation | 1966 |
Nitrification of industrial waste-waters with high nitrogen concentration in aerated packed-bed reactors.
Topics: Bacteria; Carbon Dioxide; Nitrates; Nitrites; Nitrogen; Phosphorus; Quaternary Ammonium Compounds; Sewage; Urea; Waste Disposal, Fluid | 1981 |
Effect of microbiological hydrolysis of urea on the nitrification process.
Topics: Bacteria; Culture Media; Hydrolysis; Industrial Waste; Nitrites; Nitrogen; Sewage; Urea; Waste Disposal, Fluid; Water Microbiology | 1983 |
Biotransformation of nitric oxide, nitrite and nitrate.
Topics: Animals; Biotransformation; Injections, Intraperitoneal; Male; Mice; Nitrates; Nitric Oxide; Nitrites; Nitrogen Isotopes; Rats; Rats, Inbred Strains; Species Specificity; Urea | 1983 |
Teratogenic effect of extended administration of N-nitrosoethylurea and ethylurea/nitrite in rats.
Topics: Animals; Ethylnitrosourea; Female; Nitrites; Nitrosourea Compounds; Pregnancy; Rats; Rats, Inbred Strains; Teratogens; Urea | 1983 |
Alterations in the reproductive performance of habrobracon females following combined treatments with ethylurea and sodium nitrate or nitrite.
Topics: Animals; Biotransformation; Female; Hymenoptera; Mutagens; Nitrates; Nitrites; Oocytes; Sodium Nitrite; Urea; Wasps | 1981 |
The role of nitric oxide in hemodynamic and metabolic alterations induced by prostaglandin F2 alpha in the perfused rat liver.
Topics: Animals; Arginine; Bile; Dinoprost; Endotoxins; Enzyme Inhibitors; Escherichia coli; Glucose; Hemodynamics; Kinetics; Lactates; Lactic Acid; Liver; Male; Nitric Oxide; Nitric Oxide Synthase; Nitrites; omega-N-Methylarginine; Perfusion; Rats; Rats, Wistar; Urea | 1995 |
Arginine metabolism in experimental glomerulonephritis: interaction between nitric oxide synthase and arginase.
Topics: Amino Acid Oxidoreductases; Animals; Arginase; Arginine; Cells, Cultured; Glomerular Mesangium; Glomerulonephritis; Humans; Immunoglobulin G; Kidney Glomerulus; Kinetics; Lipopolysaccharides; Macrophages; Male; Nitric Oxide Synthase; Nitrites; omega-N-Methylarginine; Rats; Rats, Inbred Lew; Reference Values; Urea | 1994 |
Co-induction of arginase and nitric oxide synthase in murine macrophages activated by lipopolysaccharide.
Topics: Amino Acid Oxidoreductases; Animals; Antioxidants; Arginase; Arginine; Cell Line; Enzyme Induction; Interferon-gamma; Kinetics; Macrophages, Peritoneal; Mice; NF-kappa B; Nitrates; Nitric Oxide Synthase; Nitrites; Pyrrolidines; Recombinant Proteins; Thiocarbamates; Urea | 1995 |
Effect of nitrite on ureagenesis and carbohydrate metabolism in isolated rat hepatocytes.
Topics: Animals; Carbohydrate Metabolism; In Vitro Techniques; Liver; Male; Nitrites; Rats; Rats, Wistar; Urea | 1993 |
Does increased endogenous formation of N-nitroso compounds in the human colon explain the association between red meat and colon cancer?
Topics: Adult; Amines; Analysis of Variance; Creatinine; Dietary Fiber; Feces; Gastrointestinal Transit; Humans; Hydrogen-Ion Concentration; Iron; Male; Meat; Mutagens; Nitrates; Nitrites; Nitrosation; Nitroso Compounds; Urea | 1996 |
The inhibitory effect of nitrite, a stable product of nitric oxide (NO) formation, on arginase.
Topics: Animals; Arginase; In Vitro Techniques; Kinetics; Macrophages, Peritoneal; Mice; Models, Biological; Nitric Oxide; Nitric Oxide Synthase; Nitrites; Rats; Rats, Wistar; Urea | 1996 |
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 |
Arginine deficiency in bile duct-ligated rats after surgery: the role of plasma arginase and gut endotoxin restriction.
Topics: Animals; Arginase; Arginine; Cholestasis; Cholestyramine Resin; Common Bile Duct; Endotoxemia; Hematocrit; Kidney; Liver; Male; Nitrates; Nitrites; Ornithine; Postoperative Complications; Rats; Rats, Wistar; Regression Analysis; Urea | 1997 |
Helicobacter pylori is killed by nitrite under acidic conditions.
Topics: Anti-Bacterial Agents; Bacteriological Techniques; Helicobacter pylori; Humans; Hydrogen-Ion Concentration; Nitrites; Urea | 1998 |
Importance of glutamine metabolism in murine macrophages and human monocytes to L-arginine biosynthesis and rates of nitrite or urea production.
Topics: Animals; Arginine; Diazooxonorleucine; Enzyme Inhibitors; Glutaminase; Glutamine; Humans; Lipopolysaccharides; Macrophage Activation; Macrophages, Peritoneal; Male; Mice; Mice, Inbred Strains; Monocytes; Mycobacterium bovis; Nitric Oxide Synthase; Nitric Oxide Synthase Type II; Nitrites; Urea | 1998 |
Inhibitory effects of mesoionic 3-aryl substituted oxatriazole-5-imine derivatives on vascular smooth muscle cell mitogenesis and proliferation in vitro.
Topics: Animals; Cell Division; Cells, Cultured; Cyclic GMP; DNA; Male; Molsidomine; Muscle, Smooth, Vascular; Nitric Oxide Donors; Nitrites; Penicillamine; Rats; Rats, Wistar; Signal Transduction; Triazoles; Urea | 1998 |
Long-term vascular effects of Nomega-nitro-L-arginine methyl ester are not soley mediated by inhibition of endothelial nitric oxide synthesis in the rat mesenteric artery.
Topics: Animals; Blood Pressure; Body Weight; Cyclic GMP; Endothelium, Vascular; Enzyme Inhibitors; Male; Mesenteric Arteries; NG-Nitroarginine Methyl Ester; Nitric Oxide; Nitric Oxide Synthase; Nitric Oxide Synthase Type II; Nitrites; Nitroarginine; Rats; Rats, Inbred WKY; Urea; Vasodilation | 1999 |
Augmentation of urea-synthetic capacity by inhibition of nitric oxide synthesis in butyrate-induced differentiated human hepatocytes.
Topics: Argininosuccinate Synthase; Basic Helix-Loop-Helix Leucine Zipper Transcription Factors; Butyric Acid; CCAAT-Enhancer-Binding Proteins; Cell Differentiation; Cell Line; DNA-Binding Proteins; Enzyme Induction; Epidermal Growth Factor; Genistein; Hepatocyte Nuclear Factor 4; Humans; Liver; NF-kappa B; Nitric Oxide; Nitric Oxide Donors; Nitric Oxide Synthase; Nitric Oxide Synthase Type II; Nitrites; Nuclear Proteins; Ornithine Carbamoyltransferase; Phosphoproteins; RNA, Messenger; Transcription Factors; Transcriptional Activation; Urea | 2000 |
Age-associated changes in nitric oxide metabolites nitrite and nitrate.
Topics: Adolescent; Adult; Aging; Arteriosclerosis; Child; Cholesterol; Creatinine; Endothelium, Vascular; Humans; Middle Aged; Nitrates; Nitric Oxide; Nitrites; Transaminases; Triglycerides; Urea; Vasodilation | 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 |
Association of reactive nitrogen species metabolites, myeloperoxidase, and airway inflammation in lung transplants.
Topics: Adult; Aged; Biomarkers; Bronchoalveolar Lavage Fluid; Enzyme-Linked Immunosorbent Assay; Female; Humans; Inflammation; Lung Transplantation; Male; Middle Aged; Nitrates; Nitrites; Peroxidase; Urea | 2001 |
Comparative induction of nitrate reductase by nitrate and nitrite in barley leaves.
Topics: Cycloheximide; Enzyme Induction; Fertilizers; Hordeum; Nitrate Reductases; Nitrates; Nitrites; Plant Leaves; Protein Synthesis Inhibitors; Quaternary Ammonium Compounds; Tungsten Compounds; Urea | 1987 |
Effect of trapidil, an antiplatelet and vasodilator agent on gentamicin-induced nephrotoxicity in rats.
Topics: Animals; Creatinine; Dose-Response Relationship, Drug; Female; Gentamicins; Kidney; Kidney Diseases; Kidney Tubules, Proximal; Nitrates; Nitric Oxide; Nitrites; Platelet Aggregation Inhibitors; Rats; Rats, Wistar; Trapidil; Urea; Vasodilator Agents | 2001 |
Cytokine treatment increases arginine metabolism and uptake in bovine pulmonary arterial endothelial cells.
Topics: Animals; Arginine; Cationic Amino Acid Transporter 2; Cattle; Cells, Cultured; Endothelium, Vascular; Lipopolysaccharides; Nitric Oxide; Nitric Oxide Synthase; Nitrites; Nitrogen Dioxide; Pulmonary Artery; Tumor Necrosis Factor-alpha; Urea | 2001 |
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 |
Elevated plasma concentrations of nitric oxide, soluble thrombomodulin and soluble vascular cell adhesion molecule-1 in patients with systemic lupus erythematosus.
Topics: Adult; Aged; Biomarkers; Case-Control Studies; Creatinine; Female; Glomerulonephritis; Humans; Lupus Erythematosus, Systemic; Male; Middle Aged; Nitric Oxide; Nitrites; Statistics, Nonparametric; Thrombomodulin; Urea; Vascular Cell Adhesion Molecule-1 | 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 |
Characterization of Drosophila nitric oxide synthase: a biochemical study.
Topics: Animals; Arginine; Biopterins; Dose-Response Relationship, Drug; Drosophila; Electrons; Electrophoresis, Polyacrylamide Gel; Escherichia coli; Heme; Hydrogen Peroxide; Hydrolysis; NADP; Nitrates; Nitric Oxide; Nitric Oxide Synthase; Nitrites; Open Reading Frames; Protein Structure, Tertiary; Spectrophotometry; Time Factors; Trypsin; Ultraviolet Rays; Urea | 2003 |
A COMMON CO-FACTOR FOR NITRATE REDUCTASE AND XANTHINE DEHYDROGENASE WHICH ALSO REGULATES THE SYNTHESIS OF NITRATE REDUCTASE.
Topics: Aspergillus; Metabolism; Mutation; Nitrate Reductase; Nitrate Reductases; Nitrates; Nitrites; Oxidoreductases; Research; Urea; Uric Acid; Xanthine Dehydrogenase; Xanthines | 1964 |
ESTIMATION OF BILIRUBIN USING ACETAMIDE.
Topics: Acetamides; Acetates; Animals; Azo Compounds; Bilirubin; Biomedical Research; Blood Chemical Analysis; Cattle; Chemistry Techniques, Analytical; Ethanol; Glycerol; Hydrogen-Ion Concentration; Methanol; Nitrites; Propylene Glycols; Research; Serum Albumin; Serum Albumin, Bovine; Sodium; Sucrose; Sulfonic Acids; Urea | 1964 |
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 |
Arginase inhibition increases nitric oxide production in bovine pulmonary arterial endothelial cells.
Topics: Animals; Arginase; Arginine; Cattle; Cells, Cultured; Dose-Response Relationship, Drug; Drug Combinations; Endothelium, Vascular; Isoenzymes; Lipopolysaccharides; Nitrates; Nitric Oxide; Nitrites; Osmolar Concentration; Pulmonary Artery; RNA, Messenger; Time Factors; Tumor Necrosis Factor-alpha; Urea; Valine | 2004 |
Nitric oxide production is not altered in preeclampsia.
Topics: Adult; Blood Pressure; Case-Control Studies; Chromatography, High Pressure Liquid; Creatinine; Female; Gestational Age; Humans; Nitrates; Nitric Oxide; Nitrites; Pre-Eclampsia; Pregnancy; Urea; Uric Acid | 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 |
Lipoic acid attenuates hypertension and improves insulin sensitivity, kallikrein activity and nitrite levels in high fructose-fed rats.
Topics: Animals; Biological Transport; Blood Glucose; Blood Pressure; Calcium-Transporting ATPases; Creatine; Fructose; Glucose; Glucose Tolerance Test; Hypertension; Insulin; Insulin Resistance; Kallikreins; Male; Nitrites; Rats; Rats, Wistar; Sodium-Potassium-Exchanging ATPase; Thioctic Acid; Urea | 2004 |
Mitigating nitrous oxide and methane emissions from soil in rice-wheat system of the Indo-Gangetic plain with nitrification and urease inhibitors.
Topics: Acetylene; Air Pollutants; Benzidines; Chromatography, Gas; Glycerides; Greenhouse Effect; India; Methane; Nitrites; Nitrous Oxide; Oryza; Soil; Terpenes; Triticum; Urea; Urease | 2005 |
Mice lacking the 110-kD isoform of poly(ADP-ribose) glycohydrolase are protected against renal ischemia/reperfusion injury.
Topics: Animals; Aspartate Aminotransferases; Creatinine; Glycoside Hydrolases; Isoenzymes; Kidney; Male; Mice; Mice, Inbred Strains; Mice, Mutant Strains; Nephritis; Nitrates; Nitrites; Peroxidase; Reperfusion Injury; 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 |
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 |
Cytokine-induced endothelial arginase expression is dependent on epidermal growth factor receptor.
Topics: Animals; Arginase; Cattle; Cells, Cultured; Cytokines; Endothelial Cells; Endothelium, Vascular; Enzyme Inhibitors; ErbB Receptors; Genistein; Growth Inhibitors; Humans; Isoenzymes; Lipopolysaccharides; Nitric Oxide; Nitric Oxide Synthase; Nitric Oxide Synthase Type II; Nitrites; Pulmonary Artery; Quinazolines; Tumor Necrosis Factor-alpha; Tyrphostins; Urea | 2005 |
Increased glutathione biosynthesis by Nrf2 activation in astrocytes prevents p75NTR-dependent motor neuron apoptosis.
Topics: Animals; Animals, Genetically Modified; Animals, Newborn; Antioxidants; Astrocytes; Blotting, Western; Cell Count; Cell Survival; Cells, Cultured; Coculture Techniques; Drug Interactions; Embryo, Mammalian; Enzyme Activation; Fibroblast Growth Factor 1; Glial Fibrillary Acidic Protein; Glutathione; Hydroquinones; Methionine; Motor Neurons; Nerve Growth Factor; NF-E2-Related Factor 2; Nitrates; Nitric Oxide Synthase Type II; Nitrites; Propionates; Pyrimidines; Quinolines; Rats; Rats, Sprague-Dawley; Receptor, Nerve Growth Factor; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Spinal Cord; Superoxide Dismutase; Transfection; Urea | 2006 |
Protective effect of ebselen, a selenoorganic drug, against gentamicin-induced renal damage in rats.
Topics: Animals; Azoles; Creatinine; Gentamicins; Glutathione; Glutathione Peroxidase; Isoindoles; Kidney; Kidney Diseases; Malondialdehyde; Nitrites; Organoselenium Compounds; Rats; Superoxide Dismutase; Urea | 2006 |
6-Gingerol prevents cisplatin-induced acute renal failure in rats.
Topics: Acute Kidney Injury; Animals; Antineoplastic Agents; Antioxidants; Blood Urea Nitrogen; Catalase; Catechols; Cisplatin; Creatinine; Dose-Response Relationship, Drug; Fatty Alcohols; Female; Glutathione; Kidney; Male; Malondialdehyde; Mutagens; Nitrites; Oxidative Stress; Rats; Rats, Wistar; Superoxide Dismutase; Urea | 2006 |
Influence of physicochemical parameters of neem (Azadirachta indica A Juss) oils on nitrification inhibition in soil.
Topics: Chemical Phenomena; Chemistry, Physical; Fertilizers; Glycerides; Nitrates; Nitrites; Nitrogen Compounds; Quaternary Ammonium Compounds; Soil; Terpenes; Urea | 2007 |
Role of oxidative stress in celecoxib-induced renal damage in wistar rats.
Topics: Animals; Biomarkers; Cardiovascular Diseases; Catalase; Celecoxib; Creatinine; Cyclooxygenase Inhibitors; Disease Models, Animal; Glutathione Transferase; Kidney; Lipid Peroxidation; Male; Malondialdehyde; Nephritis, Interstitial; Nitrites; Oxidative Stress; Pyrazoles; Rats; Rats, Wistar; Spectrophotometry; Sulfonamides; Superoxide Dismutase; Urea | 2007 |
Suppression of proximal T cell receptor signaling and lytic function in CD8+ tumor-infiltrating T cells.
Topics: Adenocarcinoma; Animals; CD8-Positive T-Lymphocytes; Chromium; Colonic Neoplasms; Cytotoxicity, Immunologic; Flow Cytometry; Immunoblotting; Immunoprecipitation; Lymphocyte Activation; Lymphocyte Specific Protein Tyrosine Kinase p56(lck); Lymphocytes, Tumor-Infiltrating; Mice; Mice, Inbred C57BL; Nitrites; Protein Tyrosine Phosphatase, Non-Receptor Type 6; Receptors, Antigen, T-Cell; RNA, Small Interfering; Signal Transduction; Urea | 2007 |
Hemodynamic effects of urotensin II and its specific receptor antagonist palosuran in cirrhotic rats.
Topics: Administration, Oral; Animals; Cyclic GMP; Cyclic GMP-Dependent Protein Kinases; Hemodynamics; Kidney; Kidney Function Tests; Liver; Liver Cirrhosis, Biliary; Male; Mesenteric Arteries; Nitrates; Nitric Oxide; Nitric Oxide Synthase Type II; Nitric Oxide Synthase Type III; Nitrites; Portal Vein; Quinolines; Rats; Rats, Sprague-Dawley; Receptors, G-Protein-Coupled; rho-Associated Kinases; rhoA GTP-Binding Protein; RNA, Messenger; Urea; Urotensins | 2008 |
Influence of edaphic factors on the mineralization of neem oil coated urea in four Indian soils.
Topics: Fertilizers; Glycerides; India; Nitrites; Soil; Temperature; Terpenes; Urea | 2008 |
Increased nitric oxide formation followed by increased arginase activity induces relative lack of arginine at the wound site and alters whole nutritional status in rats almost within the early healing period.
Topics: Amino Acids; Animals; Arginase; Arginine; Nitrates; Nitric Oxide; Nitric Oxide Synthase Type II; Nitrites; Nutritional Status; Rats; Rats, Inbred Strains; Urea; Wound Healing | 2009 |
Ureic nitrogen transformation in multi-layer soil columns treated with urease and nitrification inhibitors.
Topics: Fertilizers; Nitrites; Nitrogen; Organophosphorus Compounds; Soil; Urea; Urease | 2009 |
Effect of pest controlling neem (Azadirachta indica A. Juss) and mata-raton (Gliricidia sepium Jacquin) leaf extracts on emission of green house gases and inorganic-N content in urea-amended soil.
Topics: Azadirachta; Carbon Dioxide; Fabaceae; Gases; Greenhouse Effect; Methane; Nitrates; Nitrites; Nitrogen; Plant Extracts; Quaternary Ammonium Compounds; Soil; Soil Microbiology; Urea | 2009 |
[Effect of DMPP on inorganic nitrogen runoff loss from vegetable soil].
Topics: Fertilizers; Nitrates; Nitrites; Nitrogen; Pyrazoles; Rain; Urea; Vegetables; Water Movements; Water Pollutants, Chemical; Water Pollution | 2009 |
Nitrification potentials of Chinese tea orchard soils and their adjacent wasteland and forest soils.
Topics: Camellia sinensis; Hydrogen-Ion Concentration; Nitrites; Soil; Trees; Urea | 2009 |
L-arginine is essential for pancreatic β-cell functional integrity, metabolism and defense from inflammatory challenge.
Topics: AMP-Activated Protein Kinase Kinases; Animals; Arginine; Cell Line; Cell Survival; Cells, Cultured; Cytokines; Dose-Response Relationship, Drug; Glutamic Acid; Glutathione; Glutathione Disulfide; HSP72 Heat-Shock Proteins; Inflammation; Insulin; Insulin Secretion; Insulin-Secreting Cells; Islets of Langerhans; Models, Animal; Nitric Oxide Synthase Type II; Nitrites; Oxidation-Reduction; Protein Kinases; Rats; Superoxides; Urea | 2011 |
Decoupling of ammonium regulation and ntcA transcription in the diazotrophic marine cyanobacterium Trichodesmium sp. IMS101.
Topics: Bacterial Proteins; Cyanobacteria; DNA-Binding Proteins; DNA, Bacterial; Gene Expression Regulation, Bacterial; Glutamate-Ammonia Ligase; Nitrates; Nitrites; Nitrogen; Nitrogen Fixation; Nitroso Compounds; Quaternary Ammonium Compounds; Thiazolidines; Transcription Factors; Transcriptional Activation; Urea | 2012 |
[Arginase-nitric oxide synthase system changes due to adaptation to swimming in adult and aged rat hearts].
Topics: Adaptation, Physiological; Aging; Animals; Arginase; Blood Pressure; Diastole; Heart; Hydrogen Peroxide; Mitochondria, Heart; Nitrate Reductase (NADH); Nitrates; Nitric Oxide; Nitric Oxide Synthase Type I; Nitric Oxide Synthase Type II; Nitrites; Oxygen; Rats; Swimming; Systole; Urea | 2012 |
Effects of a combined Diesel particle filter-DeNOx system (DPN) on reactive nitrogen compounds emissions: a parameter study.
Topics: Catalysis; Environment; Filtration; Gasoline; Nitrates; Nitric Oxide; Nitrites; Particulate Matter; Reactive Nitrogen Species; Temperature; Time Factors; Torque; Urea; Vehicle Emissions | 2012 |
Sildenafil protects against nitric oxide deficiency-related nephrotoxicity in cyclosporine A treated rats.
Topics: Albuminuria; Animals; Catalase; Creatinine; Cyclosporine; Glutathione; Immunosuppressive Agents; Kidney Diseases; Male; Malondialdehyde; Nitrates; Nitric Oxide; Nitrites; Phosphodiesterase 5 Inhibitors; Piperazines; Protective Agents; Purines; Rats; Rats, Wistar; Sildenafil Citrate; Sulfones; Urea | 2013 |
Unilateral nephrectomy causes an early abrupt decrease in plasma arginine and simultaneous reduction in glomerular filtration rate in living kidney donors.
Topics: Arginine; Citrulline; Creatinine; Female; Glomerular Filtration Rate; Humans; Kidney; Kidney Transplantation; Living Donors; Male; Middle Aged; Nephrectomy; Nitric Oxide; Nitrites; Ornithine; Phenylalanine; Thiobarbituric Acid Reactive Substances; Urea | 2013 |
Increased erythrocytes by-products of arginine catabolism are associated with hyperglycemia and could be involved in the pathogenesis of type 2 diabetes mellitus.
Topics: Adult; Aged; Arginine; Blood Glucose; Carbon Isotopes; Case-Control Studies; Citrulline; Diabetes Mellitus, Type 2; Endothelial Cells; Erythrocytes; Female; Glycosylation; Hemoglobins; Hemolysis; Humans; Hyperglycemia; Male; Malondialdehyde; Metabolic Networks and Pathways; Middle Aged; Models, Biological; Nitric Oxide; Nitrites; Ornithine; Oxidative Stress; Urea | 2013 |
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 |
Antiretrovirals inhibit arginase in human microglia.
Topics: Analysis of Variance; Animals; Anti-Retroviral Agents; Arginase; Cell Line, Transformed; Dose-Response Relationship, Drug; Gene Expression Regulation, Enzymologic; Humans; Microglia; Models, Molecular; Nitric Oxide Synthase Type II; Nitrites; Rats; RNA, Messenger; Urea | 2016 |
Comparative bioavailability of ammonium, nitrate, nitrite and urea to typically harmful cyanobacterium Microcystis aeruginosa.
Topics: Ammonium Compounds; Biological Availability; Eutrophication; Fresh Water; Microcystis; Nitrites; Urea | 2016 |
Safety assessment of the aqueous extract of the flowers of Nymphaea lotus Linn (Nymphaeaceae): Acute, neuro- and subchronic oral toxicity studies in albinos Wistar rats.
Topics: Alkaline Phosphatase; Alkaloids; Animals; Behavior, Animal; Bilirubin; Brain; Calcium; Cholesterol; Creatinine; Female; Flowers; gamma-Glutamyltransferase; Lethal Dose 50; Liver; Male; Nitrites; Nymphaea; Phytosterols; Plant Extracts; Potassium; Psychotropic Drugs; Rats, Wistar; Urea | 2017 |
Protective effect of the standardized extract of ginkgo biloba (EGb761) against hypertension with hypercholesterolemia-induced renal injury in rats: Insights in the underlying mechanisms.
Topics: Animals; Blood Pressure; Creatinine; Diastole; Ginkgo biloba; Glutathione; Hypercholesterolemia; Hypertension; Kidney; Lipids; Losartan; Male; Malondialdehyde; Nitric Oxide Synthase Type III; Nitrites; Plant Extracts; Protective Agents; Rats, Wistar; Simvastatin; Systole; Urea | 2017 |
Efforts toward optimization of aerobic biohydrogen reveal details of secondary regulation of biological nitrogen fixation by nitrogenous compounds in Azotobacter vinelandii.
Topics: Ammonium Compounds; Azotobacter vinelandii; Catalytic Domain; Electrons; Hydrogen; Hydrogen-Ion Concentration; Industrial Microbiology; Nitrates; Nitrites; Nitrogen Compounds; Nitrogen Fixation; Nitrogenase; Oxidoreductases; Urea | 2018 |
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 |
Role of Probiotic Mixture with and Without Green Tea Extract in Prevention of Hepatorenal Syndrome in Rat Model.
Topics: Animals; Antioxidants; Bifidobacterium; C-Reactive Protein; Creatinine; Disease Models, Animal; Feces; Hepatorenal Syndrome; Kidney; Lactobacillus delbrueckii; Liver; Male; Malondialdehyde; Nitrites; Plant Extracts; Probiotics; Rats; Rats, Sprague-Dawley; Streptococcus thermophilus; Tea; Urea; Uric Acid | 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 |
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 |
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 |
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 |
Disparity of selenourea and selenocystine on methaemoglobinemia in non-diabetics and diabetics.
Topics: Aged; Cystine; Diabetes Mellitus; Hemoglobins; Humans; Methemoglobin; Methemoglobinemia; Middle Aged; Nitrites; Organoselenium Compounds; Oxidation-Reduction; Reactive Oxygen Species; Urea | 2021 |
Nickel-Catalyzed Urea Electrolysis: From Nitrite and Cyanate as Major Products to Nitrogen Evolution.
Topics: Catalysis; Copper; Cyanates; Electrolysis; Nickel; Nitrites; Nitrogen; Urea | 2022 |
Urea fertilization and grass species alter microbial nitrogen cycling capacity and activity in a C
Topics: Bacteria; Fertilization; Grassland; Nitrites; Nitrogen; Poaceae; Soil; Urea | 2022 |
Dose-dependent ameliorating effect of lipoxin A4 on gentamicin-induced nephrotoxicity in rats: The role of TNFα, TGF-β, ICAM-1, and JNK signaling.
Topics: Aminoglycosides; Animals; Anti-Bacterial Agents; Anti-Infective Agents; Antioxidants; Caspase 3; Creatinine; Gentamicins; Inflammation Mediators; Intercellular Adhesion Molecule-1; Lipoxins; Male; Malondialdehyde; Nitrites; Rats; Rats, Wistar; Superoxide Dismutase; Transforming Growth Factor beta; Tumor Necrosis Factor-alpha; Urea | 2022 |
Pueraria montana (Kudzu vine) Ameliorate the Inflammation and Oxidative Stress against Fe-NTA Induced Renal Cancer.
Topics: Animals; Antioxidants; Biomarkers, Tumor; Body Weight; Creatinine; Cyclooxygenase 2; Diethylnitrosamine; Ferric Compounds; Inflammation; Interleukin-10; Interleukin-1beta; Interleukin-6; Kidney Neoplasms; NF-kappa B; Nitrilotriacetic Acid; Nitrites; Ornithine Decarboxylase; Oxidative Stress; Prostaglandins; Prostaglandins E; Pueraria; Rats; Rats, Wistar; Thymidine; Transforming Growth Factor beta1; Tumor Necrosis Factor-alpha; Urea; Uric Acid; Xenobiotics | 2022 |
Polarisation of human macrophages towards an M1 subtype triggered by an atypical Brazilian strain of Toxoplasma gondii results in a reduction in parasite burden.
Topics: Animals; Brazil; Cytokines; Humans; Interleukin-6; Macrophages; Nitrites; Parasites; Toxoplasma; Toxoplasmosis; Urea | 2022 |