cobalt has been researched along with vitamin b 12 in 563 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 327 (58.08) | 18.7374 |
| 1990's | 48 (8.53) | 18.2507 |
| 2000's | 85 (15.10) | 29.6817 |
| 2010's | 72 (12.79) | 24.3611 |
| 2020's | 31 (5.51) | 2.80 |
| Authors | Studies |
|---|---|
| Brown, KL; Chu, MM; Ingraham, LL | 1 |
| Sato, K; Shimizu, S; Ueda, S | 1 |
| Malten, KE | 1 |
| Fawcett, AR; Moberly, P; Russel, AJ; Whitelaw, A | 1 |
| Hayashi, M; Kamikubo, T; Sasaki, K | 1 |
| Russel, AJ; Whitelaw, A | 1 |
| Dmitrieva, SV; Krasnova, TP; Laznikova, TN; Vladimirov, AV | 1 |
| Cross, PJ; Givens, DI; Knight, PE; Shaw, WB | 1 |
| Bukin, IuV; Krasnova, TP; Orlova, NV | 1 |
| Lamand, M; Tressol, JC | 1 |
| Dickman, SR | 1 |
| Krasnova, TP; Laznikova, TN; Likina, EV; Orlova, NV | 1 |
| Green, M; Tauzher, G | 1 |
| Gautieri, RF; Mann, DE; Mitala, JJ | 1 |
| Marks, V; Taylor, A | 1 |
| Dunavant, BG; Fisher, DR | 1 |
| Zavgorodniĭ, VI | 1 |
| Marcoullis, G | 1 |
| Ford, SH; Friedmann, HC | 1 |
| Bigger, GW; Elliot, JM; Rickard, TR | 1 |
| Ichikawa, R; Inaba, J; Nishimura, Y | 1 |
| Underwood, EJ | 1 |
| Allen, SH; Kimber, RJ | 1 |
| Salminen, K | 1 |
| Allen, RH; Burger, RL; Mehlman, CS; Schneider, RJ | 1 |
| Braekkan, OR; Julshamn, K | 1 |
| Briggs, GM; Cohen, NL; Reyes, PS; Tseng, RY | 1 |
| Chin, CA; Fugate, RD; Song, PS | 1 |
| Blanchflower, WJ; Davidson, WB; Kennedy, DG; Young, PB | 1 |
| Flores-Arce, MF; Schrauzer, GN; Shrestha, KP | 1 |
| Blanche, F; Cameron, B; Couder, M; Crouzet, J; Debussche, L; Thibaut, D | 1 |
| Boeck, LD; Favret, ME | 1 |
| Grabau, C; Roth, JR | 1 |
| Blanchflower, WJ; Kennedy, DG; O'Harte, FP; Rice, DA | 3 |
| Fisher, GE | 1 |
| Ford, SH; Gallery, JM; Nichols, A | 1 |
| Ulvund, MJ | 1 |
| Márquez, M; Pérez-Bendito, D; Silva, M | 1 |
| Hesselink, JW; Vellema, P | 1 |
| Brebner, J; Herbert, E; Munro, CS; Suttle, NF | 1 |
| MacPherson, A; Paterson, JE | 1 |
| Hambright, P; Harriman, A; Mosseri, S; Neta, P | 1 |
| Pestalozzi, M; Ulvund, MJ | 1 |
| Escalante-Semerena, JC; Roth, JR; Suh, SJ | 1 |
| Blanchflower, WJ; Goodall, EA; McLoughlin, M; McMurray, CH; Rice, DA | 2 |
| Murphy, LC; Tandberg, D | 1 |
| Feinberg, BA; Harder, SR; Lu, WP; Ragsdale, SW | 1 |
| MacPherson, A | 1 |
| Diven, BG; McLeod, JW; Tandberg, D | 1 |
| Brey, RN; Wolf, JB | 1 |
| Bremner, I; Carlyle, WW; Humphries, WR; Morrice, PC | 1 |
| Ishida, A; Toraya, T | 1 |
| Brebner, J; Field, AC; Gunn, GW; Suttle, NF | 1 |
| MacPherson, A; Paterson, J; Rice, DA | 1 |
| Baudino, OM; de Pedernera, MB | 1 |
| Banerjee, RK; Datta, AG | 2 |
| Hernández-Llorens, ML; Llobat-Estelles, M; Medina-Escriche, J; Sevillano-Cabeza, A | 1 |
| Eisinger, HJ; Steiner, I; Stupperich, E | 1 |
| Lamand, M; Mohammed, R | 1 |
| Allen, WM; Drake, CF; Mallinson, CB; Sansom, BF; Stebbings, RJ | 1 |
| Gombe, S; Mgongo, FO; Ogaa, JS | 2 |
| Judson, GJ; Trengove, CL | 1 |
| Fukui, S; Nakatani, K; Omori, H; Shimizu, S | 1 |
| Rao, AV; Rao, SS; Srinath, EG | 1 |
| Knapp, J; Royl, P; Szirmai, E | 1 |
| Fedorovich, SV; Nalivko, SN | 1 |
| Friedberg, KD; Grützmacher, J; Lendle, L | 2 |
| Beinert, H; Palmer, G | 1 |
| Babior, B; Gould, DC | 1 |
| Blakley, RL; Hamilton, JA; Looney, FD; Winfield, ME | 1 |
| Buckman, T; Kennedy, FS; Wood, JM | 1 |
| Babior, BM | 1 |
| Bayston, JH; Looney, FD; Pilbrow, JR; Winfield, ME | 1 |
| Lee, LP; Schrauzer, GN | 1 |
| Williams, RJ | 1 |
| Blakley, RL; Hamilton, JA; Hogenkamp, HP; Looney, FD; Winfield, ME; Yamada, R | 1 |
| Mohajer, D; Wayland, BB | 1 |
| Babior, BM; Gould, DC; Moss, TH | 1 |
| Hush, NS; Woolsey, IS | 1 |
| Lexa, D; Momenteau, M | 1 |
| Renner, G | 1 |
| Friedrich, W; Moskophidis, M | 1 |
| Holland, RJ; Lamm, FP; Schrauzer, GN; Stadlbauer, EA | 1 |
| Allen, SH; Marston, HR; Smith, RM | 1 |
| Andrews, ED; Hogan, KG | 1 |
| Aitchison, WR | 1 |
| Halpern, J | 1 |
| Babior, BM; Brodie, JD; Woodams, AD | 1 |
| Elliot, JM; Sutton, AL | 1 |
| Fergusson, JE; Robinson, WT; Rodley, GA | 1 |
| Murphy, D; Wolford, JH | 1 |
| Dolphin, D; Silverman, RB | 1 |
| Schrauzer, GN | 3 |
| Banerjee, RK; Chowdhury, RR; Datta, AG | 1 |
| Elliot, JM; Hedrich, MF; Lowe, JE | 1 |
| Iordan, EP; Vorob'eva, LI | 1 |
| Fujii, K; Fukui, S; Tanaka, A | 1 |
| Fraser, C; Gordon, JG; Orskov, ER | 1 |
| Duncan, WR; Fraser, C; Garton, GA; Orskov, ER | 1 |
| Ellenbogen, L; Law, PY; Lien, EL; Wood, JM | 1 |
| Mervyn, L; Smith, EL | 1 |
| Perlman, D; Toohey, JI | 2 |
| Taylor, RT; Weissbach, H | 1 |
| Osborne-White, WS; Russell, GR; Smith, RM | 1 |
| Cervini, C | 1 |
| Janicki, J; Nowakowska, K; Pedziwilk, F | 1 |
| Mommsen-Straub, S; Schlettwein-Gsell, D | 1 |
| Robertson, WW | 1 |
| Eschenmoser, A; Fischli, A | 1 |
| Bormann, D; Eschenmoser, A; Fischli, A; Keese, R | 1 |
| Phillips, CI; Van Peborgh, PF; Wang, MK | 1 |
| Brown, KL; Kallen, RG | 1 |
| Findlay, CR | 1 |
| Cushley, RJ; Kajiwara, M; Okada, K; Scott, AI; Townsend, CA | 1 |
| Raoul, Y | 1 |
| Woodward, RB | 1 |
| Fukui, S; Ishitani, H; Omori, H; Sato, K; Shimizu, S | 1 |
| Chenouda, MS; Osman, HG | 1 |
| Holland, RJ; Schrauzer, GN | 1 |
| Gizis, EJ; Meyer, LM | 1 |
| Rétey, J | 1 |
| Bartlett, MW; Dunitz, JD | 1 |
| Rabinowitz, JC; Raeburn, S | 1 |
| Bowden, J; Edds, GT; Guttridge, H; Kirkham, WW | 1 |
| Toohey, JI | 1 |
| Bernardelli, E; Osvaldo, A | 1 |
| Fox, JP; Ingraham, LL | 1 |
| Marston, HR | 1 |
| Marston, HR; Smith, RM | 3 |
| Marquering, B; Menke, KH | 3 |
| Jayme, M; Richards, JH | 1 |
| Járai, M | 1 |
| Edwards, HM | 1 |
| Konova, IV; Rybakova, RK; Shaposhnikov, VN; Verkhovtseva, MI | 1 |
| Lanigan, GW; Whittem, JH | 1 |
| Anthony, WB; Jones, OH | 1 |
| Fukui, S; Sato, K; Shimizu, S | 1 |
| Allen, SH; Gurney, CW; Ibbotson, RN | 1 |
| Gawthorne, JM | 2 |
| Schrauzer, GN; Sibert, JW | 1 |
| Farhan, FM; Makhani, M | 1 |
| Brown, DG; Penley, MW; Wood, JM | 1 |
| Hill, HA; Pratt, JM; Thorp, RG; Ward, B; Williams, RJ | 1 |
| Fujii, K; Fukui, S | 1 |
| Scriver, CR | 1 |
| Daniels, HJ | 1 |
| Hanna, ML; Taylor, RT | 1 |
| Daov, T; Emanuilov, I; Nachev, L | 1 |
| Fukui, S; Morikawa, Y; Shimizu, S; Tamao, Y | 1 |
| Deutsch, E; Schrauzer, GN; Windgassen, RJ | 1 |
| Irion, E; Ljungdahl, L | 1 |
| Schrauzer, GN; Sibert, JW; Windgassen, RJ | 1 |
| Kennedy, FS; Rosen, CG; Wood, JM | 1 |
| Harbutt, PR; Pout, DD | 1 |
| Hogenkamp, HP; Pailes, WH | 1 |
| Fukui, S; Shimizu, S; Umetani, T; Yamada, R | 1 |
| Atakhanov, EI; Iuldashev, UI | 1 |
| Breloh, B; Marquering, B; Menke, KH; Steffens, W | 1 |
| Akhtar, M | 1 |
| Hill, HA; Pratt, JM; Williams, RJ | 1 |
| Cowles, JR; Evans, HJ; Russell, SA | 1 |
| Martin, WE; Zam, SG | 1 |
| Gawthorne, JM; Somers, M | 1 |
| Matsunaga, F; Sasaki, T | 1 |
| Gardiner, MR; Nairn, ME | 1 |
| Ingraham, LL; Johansen, H | 1 |
| Burgus, RC; Hufham, JB; Pfiffner, JJ; Scott, WM | 1 |
| Issopoulos, PB; Parissakis, G | 1 |
| Pullman, B; Veillard, A | 1 |
| Adams, JF; Bond, G; Kennedy, EH | 1 |
| Hayward, GC; Hill, HA; Pratt, JM; Vanston, NJ; Williams, RJ | 1 |
| Fukui, S; Kato, T; Shimizu, S; Yamada, RH | 1 |
| Schrauzer, GN; Windgassen, RJ | 1 |
| Abeles, RH; Barnett, R; Hogenkamp, HP | 1 |
| Buono, NS; Claridge, CA; Gourevitch, A; Lein, J; Rossomano, VZ | 1 |
| Fukui, S; Shimizu, S; Yamada, R | 2 |
| Berry, EC; Bullerman, LB | 1 |
| Bykhovskiĭ, VIa; Mantrova, GV; Zaĭtseva, NI | 1 |
| Konova, IV; Rybakova, RK; Shaposhnikov, VN | 1 |
| Gardiner, MR | 2 |
| Gawthorne, JM; Somers, M; Woodliff, HJ | 1 |
| Alberty, RA; Randall, WC | 1 |
| Barker, HA; Ronzio, RA | 1 |
| Bartosiński, B; Pawelkiewicz, J; Zagalak, B | 1 |
| Elliot, JM; Peters, JP | 1 |
| Antonov, S; Boiadzhieva, A; Dilov, P; Iotov, M | 1 |
| Beck, WS; Thorndike, J | 1 |
| Linder, MC | 1 |
| Caple, IW; Halpin, CG; Harris, DJ; Petterson, DS | 1 |
| el-Essawy, AA; el-Sayed, MA; Mohamed, YA | 1 |
| Bonhomme, A; Durand, M; Halpern, S; Quintana, C | 1 |
| Lewis, G; Stebbings, RS | 1 |
| Al'mukhametov, SKh | 1 |
| Sutherland, RJ | 1 |
| Dresow, B; Ernst, L; Koppenhagen, VB; Schlingmann, G | 1 |
| Elliot, JM; Rickard, TR | 1 |
| McCausland, IP; McOrist, S; Mitchell, PJ; Thomas, KW | 1 |
| Duncan, WR; Garton, GA; Morrison, ER | 1 |
| MacDonald, DM; Price, ML | 1 |
| Harrison, MR; Richards, RB | 1 |
| Song, PS | 1 |
| Gombe, S; Musewe, VO | 1 |
| Bansemer, PC; Koh, TS; Mitsioulis, A | 1 |
| Scott, AI | 1 |
| Diakun, GP; Evans, MC; Keep, NH; Leadlay, PF; Smith, GA | 1 |
| Blanchflower, WJ; Kennedy, DG; Kennedy, S; Molloy, AM; Scott, JM; Weir, DG; Young, PB | 1 |
| Bisping, B; Keuth, S | 1 |
| Battersby, AR | 1 |
| Brown, KL; Jacobsen, DW; Savon, SR; Zou, X | 1 |
| Badamana, MS; Kamau, JM; Mburu, JN | 1 |
| Hitomi, T; Ichikawa, M; Ishida, A; Kobayashi, K; Kojima, S; Toraya, T | 1 |
| Brown, KL; Jacobsen, DW; Pezacka, EH | 1 |
| Davies, SC; White, CL; Williams, IH | 1 |
| Suttle, N | 1 |
| Brody, E; Lanois, A; Levillayer, F; Rambach, A; Raux, E; Thermes, C; Warren, MJ | 1 |
| Kennedy, DG; Kennedy, S; Young, PB | 1 |
| Kennedy, DG; Kennedy, S; Molloy, AM; Price, J; Scott, JM; Weir, DG; Young, PB | 1 |
| Bobik, TA; Lawrence, JG; Roth, JR | 1 |
| Fazzio, TG; Roth, JR | 1 |
| Hoek, A; Moll, L; Rutten, VP; Vellema, P; Wentink, GH | 1 |
| Kiilunen, M; Linnainmaa, M | 1 |
| Heathcote, P; Rambach, A; Raux, E; Thermes, C; Warren, MJ | 1 |
| Hagen, WR; Holliger, C; Schumacher, W; Zehnder, AJ | 1 |
| Barkema, HW; Moll, L; Schukken, YH; Vellema, P | 1 |
| Holderman, MT; Roessner, CA; Santander, PJ; Scott, AI; Stolowich, NJ | 1 |
| Anderson, H; Blanchflower, WJ; Kennedy, DG; Kennedy, S; McConnell, S; Young, PB | 1 |
| Choi, CY; Jarrett, JT; Matthews, RG | 1 |
| Raux, E; Schubert, HL; Warren, MJ; Wilson, KS; Woodcock, SC | 1 |
| Hoover, DM; Jarrett, JT; Ludwig, ML; Matthews, RG | 1 |
| Scott, AI; Spencer, P; Stolowich, NJ; Sumner, LW | 1 |
| van den Ingh, TS; Vellema, P; Wouda, W | 1 |
| Ke, SC; Morokuma, K; Museav, DG; Torrent, M; Warncke, K | 1 |
| Mathé, G | 1 |
| Jahn, B; Kirchgessner, M; Schwarz, FJ; Stangl, GI | 1 |
| Kirchgessner, M; Roth-Maier, DA; Stangl, GI | 1 |
| Kirchgessner, M; Müller, H; Schwarz, FJ; Stangl, GI | 1 |
| Anderson, OP; Brasch, NE; Finke, RG; Suto, RK | 1 |
| Miyamoto, E; Nakano, Y; Watanabe, F | 1 |
| Kozlowski, PM | 1 |
| McCauley, KM; van der Donk, WA; Wilson, SR | 2 |
| Frey, PA; Magnusson, OT | 1 |
| Huang, KX; Raux, E; Roessner, CA; Scott, AI; Warren, MJ | 1 |
| Escalante-Semerena, JC; Raux, E; Schubert, HL; Warren, MJ | 1 |
| Masuda, J; Morimoto, Y; Shibata, N; Toraya, T; Yasuoka, N | 1 |
| Ikeda, S; Imura, H; Niimura, N; Ohashi, Y; Ohhara, T; Tanaka, I; Uekusa, H | 1 |
| Guanyu, Y; Jiang, C; Li, Z; Wang, B; Yin, G | 1 |
| Babidge, PJ; Judson, GJ | 1 |
| Liu, L; Yang, GM; Zhang, XS; Zhou, GM | 1 |
| Abend, A; Chen, D; Frey, PA; Stubbe, J | 1 |
| Brooks, AJ; Brunold, TC; Buan, NR; Stich, TA | 1 |
| Eichel, RA; Epel, B; Goldfarb, D; Jeschke, G; Kräutler, B; Schweiger, A; Van Doorslaer, S | 1 |
| Cronrath, JD; Johnson, AB; Kincaid, RL; Lefebvre, LE; Socha, MT | 1 |
| Gao, HW; Li, HM; Qi, YJ; Wang, XJ | 1 |
| Huang, FZ; Ma, W; Xie, AJ; Xue, ZM | 1 |
| DRYDEN, LP; HARTMAN, AM | 1 |
| HOEKSTRA, WG; PHILLIPS, PH; POPE, AL | 2 |
| LEE, HJ; MARSTON, HR | 1 |
| DAWBARN, MC; HINE, DC; HUGHES, P | 1 |
| ANDERSON, JP; ANDREWS, ED | 1 |
| SMITH, EL | 2 |
| HOCKENHULL, DJ; QUILTER, AR; SMITH, EL | 1 |
| BELL, JM; ROTHERY, P; SPINKS, JW | 1 |
| ILVER, K; JOHANSEN, OI; REIMERS, F | 1 |
| HALSTED, JA; LIBBY, RL; SWENDSEID, ME | 1 |
| GROOT-WASSINK, KA; KNAPPE, G | 1 |
| MIRONE, L; WADE, EM | 1 |
| MASCHERPA, P | 2 |
| BOEHM, G; FAESSLER, A; RITTMAYER, G | 1 |
| AMBS, E; KUNZER, W; SCHNEIDER, D | 1 |
| DE LUCA, R; FRASCATANI, D | 1 |
| GRUBER, K; KOJER, R; KROWCZYNSKI, L; SYNOWIEDZKI, Z; TYRAŁO, R; WAGNER, R | 1 |
| BAKER, SJ; BRADLEY, JE; MOLLIN, DL; SMITH, EL | 1 |
| ASHTON, GC; CATRON, DV; HOMEYER, PG; KASTELIC, J; KLINE, EA; QUINN, L | 1 |
| DAWBARN, MC; HINE, DC | 1 |
| LENNOX, MA; MADSEN, A | 1 |
| MACLEAN, LD | 1 |
| ASHTON, GC; KASTELIC, J; KLINE, EA | 1 |
| PICHLER, E | 1 |
| BRANDBORG, L; KLAYMAN, MI | 1 |
| BALE, WF; ROBSCHEIT-ROBBINS, FS; WHIPPLE, GH | 1 |
| BENTLEY, OG; JOHNSON, RR; MOXON, AL | 1 |
| FLEISCHHACKER, H | 1 |
| ARKUN, SN; JIMINEZ-CASADO, M; MEYER, LM | 1 |
| CORBUS, HF; MILLER, A; SULLIVAN, JF | 1 |
| HEINRICH, HC; VON HEIMBURG, RG | 1 |
| MUTO, T; SAHASHI, Y | 1 |
| HIRABAYASHI, T; MUTO, T; SAHASHI, Y; SENO, N; SUZUKI, T | 1 |
| DAWBARN, MC; HINE, DC; SMITH, J | 1 |
| IMPERATO, AA; KAPLAN, E; KINNORY, DS; OESTER, YT | 1 |
| CAMERON, DG; HUTCHISON, JL; TOWNSEND, SR | 1 |
| BIRD, RM; JOHNSON, PC; SMITH, CW | 1 |
| MILLER, A | 1 |
| REINEKE, EP; WIDER, JA; WIDER, S | 1 |
| ASTALDI, G; KARANOVIC, J; MEARDI, G | 1 |
| ANDREWS, ED; HART, LI; STEPHENSON, BJ | 1 |
| CORBUS, HF; NIELSON, H | 1 |
| BRODINE, C; FRIEDMAN, BI; SAENGER, EL; WILL, JJ | 1 |
| BOLL, I; MEHL, HG | 1 |
| CHOW, BF; GAFFNEY, GW; WATKIN, DM | 1 |
| BATTISTINI, FD; GHIRARDINI, G; GIOVANNELLI, G; IMPERATO, C | 2 |
| COSTAMIS, P; MAURER, W; MULLER, G; PRIBILLA, W | 1 |
| ADAMS, JF | 1 |
| COOPER, BA; PARANCHYCH, W | 1 |
| GEORGE, P; GLAUSER, SC; IRVINE, DH | 1 |
| GERMANN, DR | 1 |
| BELL, RE; HOLMES, IH | 1 |
| NABET, P; WOLFF, R | 1 |
| O'HALLORAN, MW; SKERMAN, KD | 1 |
| BARTOSINSKI, B; PAWELKIEWICZ, J; WALERYCH, W | 1 |
| KLAIN, U; POSTERARO, G | 1 |
| ROSENTHAL, HL | 2 |
| AUZEPY, P; BOURDON, G; FAUVERT, R | 1 |
| COOPERMAN, JM; LUHBY, AL; MARLEY, JF; TELLER, DN | 1 |
| BARTOUSEK, V; DUBANSKY, B; REHAK, S | 1 |
| FRICK, P; SCHEITLIN, W | 1 |
| GIOVANNELLI, G | 1 |
| GRASBECK, R | 1 |
| STEFFEE, CH | 1 |
| BARLOW, GH; SANDERSON, ND | 1 |
| ALLEN, RA; MOORE, BT | 1 |
| BIERME, R; BOER, A; BRU, A | 1 |
| EDWARDS, TL; STIANO, J | 1 |
| FLEMING, WH; KING, ER | 1 |
| HALL, CA; KULONEN, M; OKA, MJ | 1 |
| PAPAGEORGIOU, A; SCHWARTZKOPFF, W; WOLTERS, HG | 1 |
| ALEXANDER, F; BOIVIN, CJ; DANNEELS, V; FLAHAUT, J; GEERAERD, N; RAVESCHOT, H; SPIRIG, H | 1 |
| ARATO, M; BUDA, B; VASS, L | 1 |
| DAWBARN, MC; FORSYTH, H; KILPATRICK, D | 1 |
| SATHYANARAYANA RAO, S; SRINATH, EG | 1 |
| CUNNINGHAM, B; EPSTEIN, R; HELLER, P; HENDERSON, W; YAKULIS, V | 1 |
| BERNHAUER, K; MUELLER, O; WAGNER, F | 1 |
| RAO, SS; WASHINGTON, DR | 1 |
| FISHER, DJ; NICHOLAS, DJ; OSBORNE, M; REDMOND, WJ | 1 |
| SCHAEFER, R | 1 |
| PAWELKIEWICZ, J; ZAGALAK, B | 1 |
| EVANS, HJ; KLIEWER, M | 2 |
| AMSELEM, A; BRUSTIER, V; CASTAIGNE, A; DE MONTETY, E | 1 |
| LINDGREN, I; SALMI, HA | 1 |
| ISWARAN, V; SUNDARARAO, WV | 1 |
| DEHERTOGH, AA; EVANS, HJ; MAYEUX, PA | 1 |
| MENKE, KH | 1 |
| GOLDSTEIN, C; PECHET, L | 1 |
| DOUTRE, JC; QUINTON, A | 1 |
| SIMNETT, KI; SPRAY, GH | 1 |
| ASCHKENASY, A; WOLFF, R | 1 |
| GABBE, EE; HEINRICH, HC | 1 |
| KOVAL'SKII, VV; RAETSKAIA, IuI | 1 |
| CALLENDER, ST; EVANS, JR | 1 |
| BOYD, LJ; GLASS, GB; LUHBY, AL; STEPHANSON, L | 1 |
| HALL, CA | 1 |
| ANDREWS, ED; HART, LI | 1 |
| REIZENSTEIN, PG | 1 |
| HALE, DB; LUSHBAUGH, CC | 1 |
| MOLLIN, DL | 1 |
| GOTHONI, G; JARVENTIE, G; NYBERG, W; SAARNI, M | 1 |
| Chen, H; Chen, HL; Li, G; Sun, L; Zhang, FF; Zhang, SY | 1 |
| Burne, RA; Chen, YY | 1 |
| Eskandari, H; Karkaragh, GH | 1 |
| Horton, J; Spears, JW; Tiffany, ME; Xi, L | 1 |
| Hisaeda, Y; Kimizuka, N; Kuroiwa, K; Shimakoshi, H; Tokunaga, M | 1 |
| Chen, HL; Chen, HP; Lung, FD; Wu, SH; Yeh, CC | 1 |
| BRINK, NG; FOLKERS, K; KUEHL, FA | 1 |
| ROSENBLUM, C; WOODBURY, DT | 1 |
| COLLINS, RA; HARPER, AE; RICHARD, RM | 1 |
| KOCH, BA; SMITH, SE; TURK, KL | 1 |
| CHOW, BF; DAVIS, RL | 1 |
| ENDER, F; STEEG, H | 1 |
| LANG, H; LANG, K; SIEBERT, G | 1 |
| BARROWS, L; CHOW, BF; LING, CT | 1 |
| LEVEY, S; ORTEN, JM | 1 |
| COMAR, CL; HOOD, SL; MONROE, RA; SAUBERLICH, HE | 1 |
| CRAFTS, RC | 1 |
| Clark, T; Selçuki, C; van Eldik, R | 1 |
| Chemaly, SM; Harper, PL; Heeg, B; Jack, LA; Pratt, JM; Yellowlees, LJ | 1 |
| Hisaeda, Y; Shimakoshi, H; Tokunaga, M | 1 |
| Brunold, TC; Buan, NR; Stich, TA | 1 |
| Alston, TA | 1 |
| Adams, M; Ashton, J; Hokin, B; Louie, H | 1 |
| Hamza, MS; van Eldik, R | 1 |
| CHAIET, L; ROSENBLUM, C; WOODBURY, DT | 1 |
| BOHSTEDT, G; HALE, WH; PHILLIPS, PH; POPE, AL | 1 |
| Biarnés, X; Kunc, K; Rovira, C | 1 |
| Berben, LA; Brasch, NE; Cregan, AG; Xia, L | 1 |
| Baiulescu, GE; Ionica, M; Peltea, M; Stoica, AI | 1 |
| Pratt, DA; van der Donk, WA | 1 |
| Honda, T; Nomoto, S | 1 |
| Burkey, TJ; McCauley, KM; Pratt, DA; Shey, J; van der Donk, WA; Wilson, SR | 1 |
| Knapton, L; Marques, HM | 1 |
| Banerjee, R; Fazliddinova, N; Mansoorabadi, SO; Padmakumar, R; Reed, GH; Vlasie, M | 1 |
| Argüello, JE; Costentin, C; Griveau, S; Savéant, JM | 1 |
| Diekert, G; Engelmann, T; Schubert, T; Siebert, A; Studenik, S | 1 |
| Deery, E; Heathcote, P; Heldt, D; Lawrence, AD; Lindenmeyer, M; Rigby, SE; Warren, MJ | 1 |
| Clark, RG; Wright, DF | 1 |
| Kajiwara, Y; Santander, PJ; Scott, AI; Williams, HJ | 1 |
| Spears, JW; Tiffany, ME | 1 |
| Banerjee, R; Brooks, AJ; Brunold, TC; Vlasie, M | 1 |
| Al-Busaidy, R; Al-Habsi, K; Annamalai, K; Johnson, EH; Kadim, IT; Mahgoub, O; Srikandakumar, A | 1 |
| Huang, Z; Jiang, Z; Kang, C; Liang, A; Sun, S | 1 |
| Furlong, JM; Gruner, TM; Kelly, RJ; Sykes, AR | 1 |
| Birke, RL; Gosser, DK; Huang, Q; Spataru, T | 1 |
| Fellner, V; Spears, JW; Tiffany, ME | 1 |
| Flachowsky, G; Meyer, U; Scholz, H; Stemme, K | 1 |
| Grace, ND | 1 |
| Roncaroli, F; van Eldik, R | 1 |
| Birke, RL; Spataru, T | 1 |
| Roessner, CA; Scott, AI | 1 |
| Frisk, P; Hudecek, R; Lindh, U; Lindvall, A | 1 |
| Dittrich, B; Koritsanszky, T; Luger, P; Mebs, S; Volkov, A | 1 |
| Kincaid, RL; Socha, MT | 1 |
| Ashworth, CJ; Dwyer, CM; McEvoy, TG; Mitchell, LM; Robinson, JJ; Rooke, JA; Watt, RG | 1 |
| Hisaeda, Y; Jabbar, MA; Shimakoshi, H | 1 |
| Brasch, NE; Hannibal, L; Jacobsen, DW; Smith, CA | 1 |
| Galezowski, W; Kozlowski, PM; Kuta, J | 1 |
| Guo, F; Jia, Z; Wang, R; Zhang, W; Zhu, X | 1 |
| Becker, DE; Loosli, JK; Smith, SE | 1 |
| Brink, NG; Folkers, K; Koniuszy, FR; Rickes, EL; Wood, TR | 1 |
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| Gust, R; Kirin, SI; Metzler-Nolte, N; Mier, W; Ott, I; Weyhermüller, T | 1 |
| Deery, E; Lawrence, AD; McLean, KJ; Munro, AW; Pickersgill, RW; Rigby, SE; Warren, MJ | 1 |
| Ekstrom, EB; Morel, FM | 1 |
| Aastveit, AH; Bolstad, T; Harstad, OM; Karlengen, IJ; Taugbøl, O | 1 |
| Flachowsky, G; Lebzien, P; Scholz, H; Stemme, K | 1 |
| Warncke, K; Zhu, C | 1 |
| Brunold, TC; Datta, S; Liptak, MD; Matthews, RG | 1 |
| Andruniów, T; Dreos, R; Jaworska, M; Kozlowski, PM; Lodowski, P; Randaccio, L; Zgierski, MZ | 1 |
| Sing Lam, K; Tsueng, G | 1 |
| Gelfand, MS; Gladyshev, VN; Rodionov, DA; Zhang, Y | 1 |
| Alzoubi, BM; Dücker-Benfer, C; Felluga, A; Puchta, R; Randaccio, L; Tauzher, G; van Eldik, R; Vidali, F | 1 |
| Andruniów, T; Jaworska, M; Kozlowski, PM; Kumar, M; Lodowski, P | 1 |
| Aviv-Harel, I; Gross, Z | 1 |
| Al-Busaidy, R; Al-Habsi, K; Johnson, EH; Khalaf, SK | 1 |
| Datta, S; Koutmos, M; Matthews, RG; Pattridge, KA; Smith, JL | 1 |
| Brasch, NE; El-Shahat, MF; Hamza, MS; Hannibal, L; Hassanin, HA; Jacobsen, DW | 1 |
| Hisaeda, Y; Masuko, T; Pan, L; Shimakoshi, H | 1 |
| Escalante-Semerena, JC; Mera, PE | 1 |
| Furlong, JM; Sedcole, JR; Sykes, AR | 1 |
| Bartacek, J; Fermoso, FG; Lens, PN | 1 |
| Alberto, R; Ferrari, S; König, C; Ruiz-Sánchez, P | 1 |
| Alfonso-Prieto, M; Biarnés, X; Kozlowski, PM; Kumar, M; Rovira, C | 1 |
| Brasch, NE; DeBeer, S; El-Shahat, MF; Hassanin, HA; Smith, CA | 1 |
| Doyle, RP; Marino, N; Rabideau, AE | 1 |
| Brindley, AA; Carrondo, MA; Deery, E; Ladakis, D; Lobo, SA; Matias, PM; Pickersgill, RW; Romão, CV; Saraiva, LM; Warren, MJ | 1 |
| Bertrand, EM; Jeon, YJ; Neilan, BA; Saito, MA | 1 |
| Asano, M; Fujita, Y; Hoshino, M; Matsushita, M; Samma, M; Yamaguchi, T | 1 |
| Gruber, K; Kräutler, B; Puffer, B | 1 |
| Cheng, J; Finan, TM; Morton, RA; Poduska, B | 1 |
| Kozlowski, PM; Kumar, M | 1 |
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| Han, L; Kang, J; Tang, J; Zhang, Y | 1 |
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| Hirao, H; Kozlowski, PM; Kumar, M; Kumar, N | 1 |
| Brustad, M; Hassan, AA; Sandanger, TM | 1 |
| Biedendieck, R; Deery, E; Howard, MJ; Lawrence, AD; Moore, SJ; Rigby, SE; Warren, MJ | 1 |
| Akins, MS; Bertics, SJ; Shaver, RD; Socha, MT | 1 |
| Hisaeda, Y; Kikuchi, J; Masuko, T; Matsuzaki, A; Tahara, K | 1 |
| Brunold, TC; Park, K | 1 |
| Banerjee, R; Gherasim, C; Lofgren, M | 1 |
| Giedyk, M; Gryko, D; óProinsias, Ko | 1 |
| Drzewiecka-Matuszek, A; Mazur, G; Orzeł, Ł; Rutkowska-Zbik, D; Stochel, G | 1 |
| Yamada, K | 1 |
| Biedendieck, R; Deery, E; Mayer, MJ; Moore, SJ; Warren, MJ | 1 |
| Chromiński, M; Gryko, D; Karczewski, M; Lewalska, A | 1 |
| Lu, C; Rong, W; Zhang, L; Zhao, L | 1 |
| Allen, RH; Brito, A; Chiquette, J; Girard, CL; Stabler, SP | 1 |
| Hayashi, T; Hisaeda, Y; Inoue, T; Mizohata, E; Morita, Y; Ohbayashi, J; Oohora, K | 1 |
| Achey, D; Brigham, EC; DiMarco, BN; Meyer, GJ | 1 |
| Collins, FA; Dunstan, MS; Fisher, K; Hay, S; Levy, C; Leys, D; Payne, KA; Quezada, CP; Rigby, SE; Sjuts, H | 1 |
| Andruniów, T; Garabato, BD; Jaworska, M; Kozlowski, PM; Lodowski, P | 1 |
| Brunold, TC; Escalante-Semerena, JC; Moore, TC; Pallares, IG | 1 |
| Deng, S; Ji, X; Shan, D; Yuan, P; Zhang, X | 1 |
| Brescoll, J; Daveluy, S | 1 |
| Agrimi, G; de Angelis, M; Palmieri, L; Pisano, I; Ricci, MA; Russo, A | 1 |
| Bhattacharya, S; Drake, AJ; Feldmann, J; Fowler, PA; Goetz, S; Kerrigan, D; Meharg, AA; Monteiro, A; O'Shaughnessy, PJ; Raab, A; Rhind, SM; Sinclair, KD | 1 |
| Garabato, BD; Jaworska, M; Kozlowski, PM; Lodowski, P | 2 |
| Brunold, TC; Escalante-Semerena, JC; Mera, PE; Moore, TC; Park, K | 1 |
| Giedyk, M; Goliszewska, K; Gryko, D | 1 |
| Barran, P; Bellina, B; Dunstan, MS; Fisher, K; Hay, S; Johannissen, L; Leys, D; Payne, KA; Rigby, SE; Sjuts, H | 1 |
| Grimme, S; Hansen, A; Qu, ZW | 1 |
| Adolfo, FR; Bohrer, D; de Carvalho, LM; do Nascimento, PC; Guarda, A; Mattiazzi, P; Nunes Colim, A; Viana, C | 1 |
| Dai, L; Dou, M; He, D; Liu, H; Shao, W; Wang, F | 1 |
| Huwait, EA; Kumosani, TA; Mosaoa, RM; Moselhy, SS; Yaghmoor, SS | 1 |
| Giedyk, M; Goliszewska, K; Gryko, D; Hisaeda, Y; Shimakoshi, H | 1 |
| Brunold, TC; Escalante-Semerena, JC; Mera, PE; Park, K | 1 |
| Dau, H; Dobbek, H; Goetzl, S; Haumann, M; Hennig, SE; Mebs, S; Schrapers, P | 1 |
| Aliarabi, H; Dezfoulian, AH | 1 |
| Hauser, D; Kottelat, E; Rossier, J; Rothen-Rutishauser, B; Zobi, F | 1 |
| Fagan, SP; Hanrahan, JP; Keady, TW | 1 |
| Brenig, C; Kieninger, C; Kräutler, B; Ruetz, M; Wurst, K | 1 |
| Abe, M; Hisaeda, Y; Pan, L; Shimakoshi, H; Tahara, K; Yamaguchi, R | 1 |
| Achterberg, EP; Bertrand, EM; Browning, TJ; Engel, A; Moore, CM; Rapp, I; Tagliabue, A | 1 |
| Borwankar, A; Borys, M; Du, C; Ghose, S; Huang, Y; Li, ZJ; Ludwig, R; Martin, R; Singh, N; Tan, Z; Tao, L; West, J | 1 |
| Boeren, S; Franke, S; Kümmel, S; Pieterse, MM; Pinkse, MWH; Sousa, DZ; Stams, AJM; van Gelder, AH; Verhaert, PDEM; Visser, M; Vogt, C | 1 |
| Bartosiak, M; Giersz, J; Jankowski, K | 1 |
| Doble, P; Hesp, K; Major, D; Wenzel, R | 1 |
| Pederson, T | 1 |
| Sonnay, M; Zelder, F | 1 |
| Brassington, AH; Kwong, WY; Sinclair, KD; Sinclair, LA; Weerathilake, WADV; Williams, SJ | 1 |
| Bucher, D; Kozlowski, PM; Kumar, N | 1 |
| Bakırdere, S; Erarpat, S; Şahin, A; Selali Chormey, D; Tekin, Z | 1 |
| Baker, JA; Deery, E; Gruber, K; Jockusch, S; Kieninger, C; Kräutler, B; Kreutz, CR; Lawrence, AD; Liedl, KR; Nemoto-Smith, E; Podewitz, M; Warren, MJ; Widner, FJ; Wurst, K | 1 |
| Dong, C; Gong, X; Guo, X; Hu, Q; Li, L; Shuang, S; Wang, H; Zhang, L | 1 |
| Bakırdere, S; Fırat, M; Gülhan Bakırdere, E; Selali Chormey, D; Yazıcı, E | 1 |
| Baker, JA; Deery, E; Gruber, K; Jockusch, S; Kieninger, C; Kräutler, B; Lawrence, AD; Liedl, KR; Podewitz, M; Warren, MJ; Wurst, K | 1 |
| Alonso-Mori, R; Britz, A; Deb, A; DePonte, DP; Glownia, JM; Kaneshiro, AK; Kieninger, C; Koralek, J; Kräutler, B; Kubarych, KJ; Meadows, JH; Michocki, LB; Miller, NA; Penner-Hahn, JE; Sension, RJ; van Driel, TB | 1 |
| Ghosh, AP; Kozlowski, PM; Mamun, AA | 1 |
| Geyer, H; Görgens, C; Knoop, A; Thevis, M | 1 |
| Barrett, DA; Brassington, AH; Clare, CE; Sinclair, KD; Xu, J | 1 |
| Ahmad, N; Shahadat, HM; Verpoort, F; Younus, HA; Zhang, S; Zhuiykov, S | 1 |
| Kieninger, C; Konar, A; Kräutler, B; Miller, NA; Salchner, R; Salerno, EV; Sension, RJ; Spears, KG; Wurst, K | 1 |
| Cheng, Z; Dong, C; Du, F; Kremer, M; Liu, Y; Shuang, S; Wang, X | 1 |
| Fujita, Y; Fukasawa, Y; Iwasaki, S; Maya, Y; Mizukami, T; Moriuchi, R; Shibaki, A; Shimizu, S | 1 |
| Bundy, RM; DiTullio, GR; Goepfert, TJ; Hawco, NJ; McIlvin, MM; Moran, DM; Saito, MA; Tagliabue, A; Valentin-Alvarado, L | 1 |
| Deery, E; Kieninger, C; Kräutler, B; Lawrence, AD; Liedl, KR; Podewitz, M; Stanley, M; Warren, MJ; Wurst, K | 1 |
| Kieninger, C; Konar, A; Kräutler, B; Li, Y; Miller, NA; Salerno, EV; Sension, RJ | 1 |
| Banerjee, R; Deb, A; Kallon, A; Koutmos, M; Li, Z; Mascarenhas, R; Penner-Hahn, J; Twahir, UT; Warncke, K; Yaw, M | 1 |
| Bakırdere, S; Balçık, U; Bodur, S; Erarpat, S | 1 |
| Cooke, A; Deery, E; Osman, D; Robinson, NJ; Warren, MJ; Young, TR | 1 |
| Knoop, A; Planitz, P; Thevis, M; Wüst, B | 1 |
| Deery, E; Foster, AW; Glasfeld, A; Martini, MA; Morton, RJ; Osman, D; Robinson, NJ; Warren, MJ; Young, TR | 1 |
| Banerjee, R; Gouda, H; Pillay, S | 1 |
| Hisaeda, Y; Shimakoshi, H | 1 |
| Cooper, CL; Edwards, TA; Goyal, P; Panitz, N | 1 |
| Bourgonje, AR; Deth, RC; Offringa, AK; Schrier, MS; van Goor, H | 1 |
| Brânzanic, AMV; Iancu, SD; Ionescu-Zinca, S; Lehene, M; Leopold, N; Makarov, SV; Plesa, D; Silaghi-Dumitrescu, R | 1 |
| Cadir, M; Kopru, S; Soylak, M | 1 |
| Bandarian, V; Brunold, TC; Greenhalgh, ED; Kincannon, W | 1 |
| Lickey, BS; Liptak, MD; Morris, JA | 1 |
| Shimakoshi, H | 1 |
| Escalante-Semerena, JC; Malalasekara, L | 1 |
| Costa, FG; Escalante-Semerena, JC; Villa, EA | 1 |
| Castellano, MJ; Dong, L; Ibrahim, H; Moru, S; Yin, S; Zhu, Y | 1 |
| Fling, RR; Nault, R; Orlowska, K; Schilmiller, AL; Sink, WJ; Zacharewski, T | 1 |
| Marques, HM | 1 |
| Desai, RH; Fattepur, SR; Kamath, L; Kanthi, AS; Ratageri, VH | 1 |
| Kong, J; Li, L; Liu, J; Liu, S; Ma, N; Yu, S; Zhang, X | 1 |
30 review(s) available for cobalt and vitamin b 12
| Article | Year |
|---|---|
Cobalt.
Topics: Adult; Anemia; Animal Feed; Animals; Biological Transport; Body Composition; Child; Cobalt; Deficiency Diseases; Female; Food Analysis; Humans; Iodine; Iron; Liver; Male; Manganese; Nutritional Requirements; Polycythemia; Pregnancy; Thyroid Gland; Vegetables; Vitamin B 12 | 1975 |
Salivary peroxidases.
Topics: Animals; Bacteria; Cattle; Cobalt; Cold Temperature; Goats; Humans; Hydrogen Peroxide; Iodide Peroxidase; Iodine; Lactoperoxidase; Peroxidases; Rats; Reserpine; Saliva; Submandibular Gland; Thiocyanates; Thyroid Gland; Thyroxine; Tyrosine; Vitamin B 12; Xylitol | 1986 |
Contributions of EPR spectroscopy to our knowledge of oxidative enzymes.
Topics: Animals; Ceruloplasmin; Cobalt; Copper; Cytochromes; Electron Spin Resonance Spectroscopy; Electron Transport; Flavins; Formates; Free Radicals; Freezing; Iron; Manganese; Microsomes; Mitochondria; Molybdenum; NAD; Orotic Acid; Oxidoreductases; Oxygen; Peroxidases; Rabbits; Succinate Dehydrogenase; Vanadium; Vitamin B 12; Xanthine Oxidase | 1965 |
[Biochemical reactions of cyanic acid as the basis for therapy of cyanic acid poisoning].
Topics: Carbon Dioxide; Cobalt; Cyanides; Edetic Acid; Electron Transport Complex IV; Ferricyanides; Hemoglobins; Histidine; Humans; Poisoning; Thiocyanates; Vitamin B 12 | 1974 |
The biochemistry of vitamin B12 fermentation.
Topics: Actinomycetales; Bacteria; Cobalt; Culture Media; Drug Industry; Vitamin B 12 | 1964 |
[Electronic structure, light absorption and reactions of vitamin B 12 and its derivatives].
Topics: Carbon Dioxide; Chemical Phenomena; Chemistry, Physical; Cobalt; Light; Porphyrins; Vitamin B 12 | 1966 |
Metabolic role of vitamin B12.
Topics: Acetates; Amides; Amino Alcohols; Anemia, Pernicious; Caproates; Clostridium; Cobalt; Coenzyme A; Coenzymes; DNA; Glutamates; Humans; Hydrogen; Isomerases; Lysine; Malonates; Methane; Methionine; Nucleotides; Oxidoreductases; Transferases; Vitamin B 12 | 1968 |
[Anemia in rheumatoid arthritis: features of pathogenesis and therapy].
Topics: Anemia; Anemia, Hypochromic; Anemia, Macrocytic; Anemia, Sideroblastic; Arthritis, Rheumatoid; Bone Marrow; Cobalt; Erythrocytes; Female; Folic Acid; Folic Acid Deficiency; Gastric Acidity Determination; Hemoglobinometry; Humans; Intestinal Absorption; Iron; Liver Extracts; Male; Mononuclear Phagocyte System; Plasma Volume; Potassium; Salicylates; Sex Factors; Steroids; Vitamin B 12 | 1970 |
[Trace elements in food. II. Cobalt].
Topics: Cobalt; Colorimetry; Food Analysis; Humans; Spectrum Analysis; Trace Elements; Vitamin B 12 | 1970 |
Cobalt deficiency in ruminants.
Topics: Animals; Cattle; Cattle Diseases; Cobalt; Deficiency Diseases; Diet; Dietary Proteins; Liver; Sheep; Sheep Diseases; Vitamin B 12; Vitamin B 12 Deficiency | 1971 |
Other trace elements and the liver.
Topics: Chromium; Cobalt; Humans; Liver; Liver Cirrhosis, Alcoholic; Manganese; Models, Biological; Nutritional Physiological Phenomena; Selenium; Trace Elements; Vitamin A; Vitamin B 12; Zinc | 1984 |
How nature builds the pigments of life: the conquest of vitamin B12.
Topics: Cobalt; Genes, Bacterial; Methylation; Oxidation-Reduction; Propionibacterium; Uroporphyrins; Vitamin B 12 | 1994 |
Cobalamin (coenzyme B12): synthesis and biological significance.
Topics: Biological Evolution; Biological Transport; Cobalt; Cobamides; Gene Expression Regulation, Bacterial; Intestines; Salmonella typhimurium; Species Specificity; Vitamin B 12 | 1996 |
Why have ten or so nontoxic, retrovirus integrase inhibitors not been made available for AIDS treatment? A ten-year experience [correction of experiment] must liberate them.
Topics: Acquired Immunodeficiency Syndrome; Acriflavine; Cobalt; Ellipticines; HIV Integrase; HIV Integrase Inhibitors; HIV-1; Humans; Vitamin B 12 | 1999 |
Quantum chemical modeling of Co--C bond activation in B(12)-dependent enzymes.
Topics: Cobalt; Cobamides; Models, Molecular; Quantum Theory; Vitamin B 12 | 2001 |
The biosynthesis of adenosylcobalamin (vitamin B12).
Topics: Bacteria; Catalysis; Cobalt; Cobamides; Cyclization; Genes, Bacterial; Methyltransferases; Molecular Structure; Nucleotidyltransferases; Protein Conformation; Uroporphyrinogens; Uroporphyrins; Vitamin B 12 | 2002 |
NEW CHEMICAL AND BIOCHEMICAL DEVELOPMENTS IN THE VITAMIN B12 FIELD.
Topics: Ammonia; Biochemical Phenomena; Biochemistry; Chemistry, Pharmaceutical; Cobalt; Coenzymes; Fatty Acids; Glutamates; Hematinics; Lysine; Metabolism; Methane; Methionine; Vitamin B 12 | 1964 |
VITAMIN B12 COMPOUNDS IN RELATION TO THE REQUIREMENT OF COBALT FOR HIGHER PLANTS AND NITROGEN-FIXING ORGANISMS.
Topics: Azotobacter; Clostridium; Cobalt; Coenzymes; Eukaryota; Medicago sativa; Metabolism; Nitrogen; Nitrogen Fixation; Plants; Research; Rhizobium; Vitamin B 12 | 1964 |
[Cobalt].
Topics: Biomarkers; Cobalt; Environmental Exposure; Feeding and Eating Disorders; Humans; Hyperglycemia; Joint Prosthesis; Mass Spectrometry; Polycythemia; Reference Values; Specimen Handling; Spectrophotometry, Atomic; Vitamin B 12 | 2004 |
Aerobic synthesis of vitamin B12: ring contraction and cobalt chelation.
Topics: Aerobiosis; Bacterial Proteins; Chelating Agents; Cobalt; Models, Molecular; Oxygenases; Uroporphyrinogens; Vitamin B 12 | 2005 |
Fine-tuning our knowledge of the anaerobic route to cobalamin (vitamin B12).
Topics: Amidohydrolases; Anaerobiosis; Bacteria; Bacterial Proteins; Carboxy-Lyases; Cobalt; Methylation; Methyltransferases; Uroporphyrins; Vitamin B 12 | 2006 |
Vitamin B12-derivatives-enzyme cofactors and ligands of proteins and nucleic acids.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Acetates; Animals; Bacteria; Cobalt; Coenzymes; Corrinoids; Ethanolamine Ammonia-Lyase; Humans; Ligands; Methylmalonyl-CoA Mutase; Methyltransferases; Nucleic Acids; Proteins; Vitamin B 12 | 2011 |
Navigating the B(12) road: assimilation, delivery, and disorders of cobalamin.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Animals; Biological Transport; Cobalt; Coenzymes; GTP-Binding Proteins; Humans; Intestinal Absorption; Lysosomes; Methylmalonyl-CoA Mutase; Mitochondria; Molecular Conformation; Vitamin B 12 | 2013 |
Vitamin B12: chemical modifications.
Topics: Cobalt; Cobamides; Lactams; Lactones; Vitamin B 12 | 2013 |
Cobalt: its role in health and disease.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Cobalt; Coenzymes; Humans; Ion Transport; Methylmalonyl-CoA Mutase; Vitamin B 12 | 2013 |
A review of vitamin B12 in dermatology.
Topics: Animals; Cobalt; Humans; Skin Diseases; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex | 2015 |
Vitamin B12 catalysed reactions.
Topics: Alkenes; Catalysis; Cobalt; Hydrogenation; Methylation; Models, Molecular; Oxidation-Reduction; Vitamin B 12 | 2015 |
The requirement for cobalt in vitamin B
Topics: Animals; Bacterial Proteins; Cobalt; Coenzymes; Corrinoids; Humans; Ligands; Symbiosis; Tetrapyrroles; Vitamin B 12 | 2021 |
Bioinspired Electrolysis for Green Molecular Transformations of Organic Halides Catalyzed by B
Topics: Catalysis; Cobalt; Electrodes; Electrolysis; Vitamin B 12 | 2021 |
The inorganic chemistry of the cobalt corrinoids - an update.
Topics: Chemistry, Inorganic; Cobalt; Ligands; Oxidation-Reduction; Vitamin B 12 | 2023 |
11 trial(s) available for cobalt and vitamin b 12
| Article | Year |
|---|---|
The knee-chest position does not improve the efficacy of ipecac-induced emesis.
Topics: Adult; Cobalt; Gastric Emptying; Humans; Ipecac; Knee; Posture; Random Allocation; Spectrophotometry, Atomic; Thorax; Vitamin B 12; Vomiting | 1989 |
Ipecac-induced emesis versus gastric lavage: a controlled study in normal adults.
Topics: Adult; Clinical Trials as Topic; Cobalt; Female; Gastric Lavage; Humans; Ipecac; Male; Poisoning; Spectrophotometry, Atomic; Vitamin B 12; Vomiting | 1986 |
Pathological changes in cobalt-supplemented and non-supplemented twin lambs in relation to blood concentrations of methylmalonic acid and homocysteine.
Topics: Animals; Brain; Brain Diseases; Cobalt; Copper; Diet; Female; Hepatitis, Chronic; Homocysteine; Litter Size; Liver; Male; Methylmalonic Acid; Sheep; Sheep Diseases; Twins; Vitamin B 12; Vitamin B 12 Deficiency | 1999 |
Vitamin B12 injection for preventing cobalt deficiency in lambs.
Topics: Animals; Animals, Newborn; Body Weight; Cobalt; Female; Injections, Subcutaneous; Male; Sheep; Sheep Diseases; Treatment Outcome; Vitamin B 12 | 2002 |
Differential responses to dietary cobalt in finishing steers fed corn-versus barley-based diets.
Topics: Animal Feed; Animals; Body Composition; Cattle; Cobalt; Diet; Dietary Supplements; Folic Acid; Hordeum; Male; Rumen; Vitamin B 12; Weight Gain; Zea mays | 2005 |
Effects of low concentrations of dietary cobalt on liveweight gains, haematology, serum vitamin B(12) and biochemistry of Omani goats.
Topics: Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Cobalt; Diet; Dose-Response Relationship, Drug; Goats; Vitamin B 12; Weight Gain | 2007 |
The effect of low levels of dietary cobalt on the chemiluminescence response of polymorphonuclear leukocytes of goats.
Topics: Animals; Cobalt; Dietary Supplements; Goats; Hydroxocobalamin; Luminescent Measurements; Male; Neutrophils; Phagocytosis; Vitamin B 12; Vitamin B Complex; Zymosan | 2010 |
An evaluation of plasma homocysteine in the assessment of vitamin B12 status of pasture-fed sheep.
Topics: Animal Husbandry; Animal Nutritional Physiological Phenomena; Animals; Cobalt; Diet; Female; Homocysteine; Male; Nutritional Status; Sheep; Vitamin B 12; Vitamin B 12 Deficiency; Weight Gain | 2010 |
Supplementing lactating dairy cows with a vitamin B12 precursor, 5,6-dimethylbenzimidazole, increases the apparent ruminal synthesis of vitamin B12.
Topics: Animals; Benzimidazoles; Cattle; Cobalt; Cross-Over Studies; Dietary Supplements; Female; Fermentation; Lactation; Milk; Omasum; Rumen; Vitamin B 12 | 2015 |
Cobalt supplementation, alone or in combination with vitamin B and selenium: Effects on lamb performance and mineral status.
Topics: Animals; Body Composition; Cobalt; Dietary Supplements; Male; Sheep; Sodium Selenite; Vitamin B 12; Vitamins | 2017 |
Added dietary cobalt or vitamin B12, or injecting vitamin B12 does not improve performance or indicators of ketosis in pre- and post-partum Holstein-Friesian dairy cows.
Topics: Animals; Cattle; Cattle Diseases; Cobalt; Female; Ketosis; Postpartum Period; Pregnancy; Random Allocation; Vitamin B 12 | 2019 |
522 other study(ies) available for cobalt and vitamin b 12
| Article | Year |
|---|---|
The acid-catalyzed decompostion of phenacylcobalamin: evidence for the formation of an enol-Co(III) pi-complex intermediate.
Topics: Binding Sites; Chemical Phenomena; Chemistry; Chromatography, Gas; Cobalt; Gas Chromatography-Mass Spectrometry; Hydrogen-Ion Concentration; Kinetics; Mass Spectrometry; Mathematics; Molecular Conformation; Spectrophotometry; Spectrophotometry, Ultraviolet; Structure-Activity Relationship; Vitamin B 12 | 1976 |
Role of vitamin B12 and enzymes related to methylmalonyl-CoA mutase in a methanol-utilizing bacterium, Protaminobacter ruber.
Topics: Cell-Free System; Cobalt; Isomerases; Methylmalonyl-CoA Mutase; Methylococcaceae; Vitamin B 12 | 1978 |
Flare reaction due to vitamin B12 in a patient with psoriasis and contact eczema.
Topics: Cobalt; Dermatitis, Contact; Drug Eruptions; Female; Humans; Middle Aged; Nickel; Patch Tests; Psoriasis; Vitamin B 12 | 1975 |
Investigation into diagnosis and treatment of cobalt deficiency in lambs.
Topics: Administration, Oral; Animals; Body Weight; Cobalt; FIGLU Test; Seasons; Sheep; Sheep Diseases; Soil; Vitamin B 12 | 1975 |
Formation of cobalt-free corrinoids in Rhodopseudomonas spheroides.
Topics: Antimetabolites; Chromatium; Cobalt; Escherichia coli; Eukaryota; Rhodobacter sphaeroides; Species Specificity; Vitamin B 12 | 1977 |
Investigations into the prophylaxis of cobalt deficiency in sheep.
Topics: Administration, Oral; Animals; Body Weight; Cobalt; Sheep; Sheep Diseases; Vitamin B 12 | 1979 |
[Comparative study of an active strain of Micromonospora purpurea and its less active mutant in connection with gentamycin biosynthesis].
Topics: Cobalt; Culture Media; Gentamicins; Micromonospora; Mutation; Vitamin B 12 | 1979 |
Cobalt deficiency in growing lambs: a comparison of three forms of treatment.
Topics: Animals; Body Weight; Cobalt; Female; Sheep; Sheep Diseases; Vitamin B 12 | 1979 |
[Role of the components in the methylation system in the cobalamin-dependent gentamycin biosynthesis by a Micromonospora purpurea culture].
Topics: Cobalt; Culture Media; Dose-Response Relationship, Drug; Gentamicins; Methionine; Methylation; Micromonospora; Vitamin B 12 | 1979 |
The emergence and treatment kinetic of cobalt deficiency in the sheep.
Topics: Animals; Cobalt; Injections; Rumen; Sheep; Sheep Diseases; Vitamin B 12; Vitamin B 12 Deficiency | 1979 |
Ribonucleotide reduction and the possible role of cobalamin in evolution.
Topics: Bacteria; Cobalt; Deoxyribonucleotides; Oxidation-Reduction; Ribonucleotide Reductases; Ribonucleotides; Vitamin B 12 | 1977 |
[Role of cobalt in the biosynthesis of the components of the gentamicin complex].
Topics: Cobalt; Culture Media; Dose-Response Relationship, Drug; Gentamicins; Micromonospora; Sulfamethazine; Vitamin B 12 | 1978 |
The temperature dependence of the visible/ultraviolet spectra of some cobalt, vitamin B-12 model, compounds.
Topics: Cobalt; Pyridines; Spectrophotometry; Spectrophotometry, Ultraviolet; Temperature; Vitamin B 12 | 1978 |
Influence of cobalt (dietary), cobalamins, and inorganic cobalt salts on phenytoin- and cortisone-induced teratogenesis in mice.
Topics: Animals; Body Weight; Cobalt; Cortisone; Female; Fetus; Male; Maternal-Fetal Exchange; Mice; Organ Size; Phenytoin; Pregnancy; Sex Ratio; Teratogens; Vitamin B 12 | 1978 |
Cobalt:a review.
Topics: Alloys; Anemia; Animals; Beer; Cobalt; Enzyme Inhibitors; Food Contamination; Heart Diseases; Heme; Humans; Hyperlipidemias; Iron; Joint Prosthesis; Lipids; Neoplasms; Tissue Distribution; Vitamin B 12 | 1978 |
Internal decontamination of radiocobalt.
Topics: Animals; Calcium; Cobalt; Cobalt Radioisotopes; Drug Therapy, Combination; Male; Mice; Mice, Inbred ICR; Penicillamine; Pentetic Acid; Radiation Injuries, Experimental; Vitamin B 12; Zinc | 1978 |
[Effectiveness of several methods of treating viral hepatitis].
Topics: Cobalt; Hepatitis A; Humans; Vitamin B 12 | 1977 |
Studies on the solubilized porcine ileal intrinsic factor receptor and on a 340 000-dalton component binding vitamin B-12.
Topics: Animals; Carrier Proteins; Cobalt; Humans; Ileum; Intestinal Mucosa; Intrinsic Factor; Macromolecular Substances; Metalloproteins; Receptors, Drug; Swine; Vitamin B 12 | 1977 |
Vitamin B-12 biosynthesis. A model system for isopropanolamine formation by reaction between reduced corrinoid and threonine.
Topics: Borohydrides; Cobalt; Mercaptoethanol; Oxygen; Propanolamines; Threonine; Vitamin B 12 | 1977 |
Estimated fuminal production of pseudovitamin B12, factor A and factor B in sheep.
Topics: Animal Feed; Animals; Cobalt; Rumen; Sheep; Vitamin B 12 | 1976 |
Whole-body retention of 60CoCl2 and 58Co-cyanocobalamin in young and adult rats.
Topics: Animals; Cobalt; Cobalt Radioisotopes; Half-Life; Rats; Vitamin B 12 | 1976 |
An abnormality of the bone marrow associated with vitamin E deficiency in sheep.
Topics: Animal Feed; Animals; Aspartate Aminotransferases; Bone Marrow Diseases; Cobalt; Creatine Kinase; Female; Hemoglobins; Intestines; L-Lactate Dehydrogenase; Leukocyte Count; Liver; Muscles; Sheep; Vitamin B 12; Vitamin E; Vitamin E Deficiency | 1975 |
Cobalt metabolism in horse. Serum level and biosynthesis of vitamin B12.
Topics: Animals; Cobalt; Cobalt Radioisotopes; Horses; Male; Vitamin B 12 | 1975 |
Human plasma R-type vitamin B12-binding proteins. II. The role of transcobalamin I, transcobalamin III, and the normal granulocyte vitamin B12-binding protein in the plasma transport of vitamin B12.
Topics: Animals; Binding Sites; Blood Proteins; Cobalt; Granulocytes; Humans; Iodine; Leukocytes; Male; Neuraminidase; Propionates; Protein Binding; Rabbits; Succinimides; Transcobalamins; Vitamin B 12 | 1975 |
The relation between total cobalt and cobalt in vitamin B12 during the maturation of ovaries in slamon (Salmo salar).
Topics: Animals; Cobalt; Female; Ovary; Reproduction; Salmon; Sexual Maturation; Vitamin B 12 | 1975 |
Metabolic changes in golden hamsters fed vitamin B-12-deficient diets.
Topics: Animals; Body Weight; Cobalt; Cricetinae; Erythrocyte Count; Glucosephosphate Dehydrogenase; Glutathione; Glutathione Reductase; Hematocrit; Kidney; Liver; Male; Methionine; Organ Size; Vitamin B 12; Vitamin B 12 Deficiency | 1976 |
A spectroscopic analysis of vitamin B12 derivatives.
Topics: Birefringence; Circular Dichroism; Cobalt; Luminescent Measurements; Molecular Conformation; Spectrometry, Fluorescence; Spectrophotometry; Spectrophotometry, Ultraviolet; Temperature; Vitamin B 12 | 1976 |
Development and application of an alpha-face-specific radioimmunoassay for vitamin B12.
Topics: Animals; Cobalt; Hemocyanins; Immune Sera; Immunization; Mice; Rabbits; Radioimmunoassay; Sheep; Sheep Diseases; Vitamin B 12; Vitamin B 12 Deficiency | 1992 |
Lithium in scalp hair of adults, students, and violent criminals. Effects of supplementation and evidence for interactions of lithium with vitamin B12 and with other trace elements.
Topics: Adult; Cobalt; Hair; Heart Diseases; Humans; Lithium; Manganese; Mental Disorders; Scalp; Trace Elements; Violence; Vitamin B 12 | 1992 |
Assay, purification, and characterization of cobaltochelatase, a unique complex enzyme catalyzing cobalt insertion in hydrogenobyrinic acid a,c-diamide during coenzyme B12 biosynthesis in Pseudomonas denitrificans.
Topics: Amino Acid Sequence; Bacterial Proteins; Chromatography, Gel; Chromatography, High Pressure Liquid; Chromatography, Ion Exchange; Cobalt; Kinetics; Lyases; Macromolecular Substances; Molecular Sequence Data; Molecular Weight; Pseudomonas; Uroporphyrins; Vitamin B 12 | 1992 |
Effect of cobalt and cyanocobalamin on biosynthesis of A10255, a thiopeptide antibiotic complex.
Topics: Anti-Bacterial Agents; Cobalt; Fermentation; Molecular Structure; Peptides; Peptides, Cyclic; Streptomyces; Vitamin B 12 | 1992 |
A Salmonella typhimurium cobalamin-deficient mutant blocked in 1-amino-2-propanol synthesis.
Topics: Alcohol Oxidoreductases; Chromosome Mapping; Cobalt; Gene Expression Regulation, Bacterial; Genes, Bacterial; Genes, Dominant; Mutation; Operon; Phenotype; Propanolamines; RNA, Messenger; Salmonella typhimurium; Transcription, Genetic; Vitamin B 12 | 1992 |
Sequential changes in propionate metabolism during the development of cobalt/vitamin B12 deficiency in sheep.
Topics: Animals; Blood Glucose; Cobalt; Half-Life; Methylmalonic Acid; Propionates; Sheep; Vitamin B 12; Vitamin B 12 Deficiency | 1991 |
Effect of cobalt deficiency in the pregnant ewe on reproductive performance and lamb viability.
Topics: Animals; Body Weight; Cobalt; Colostrum; Female; Fetal Death; Immunoglobulin G; Methylmalonic Acid; Pregnancy; Pregnancy Complications; Sheep; Sheep Diseases; Vitamin B 12 | 1991 |
Separation and study of corrinoid cobalt-ligand isomers by high-performance liquid chromatography.
Topics: Chromatography, High Pressure Liquid; Chromatography, Ion Exchange; Chromatography, Thin Layer; Cobalt; Corrinoids; Ligands; Spectrophotometry, Ultraviolet; Stereoisomerism; Vitamin B 12 | 1991 |
Ovine white-liver disease (OWLD). Vitamin B12 and methyl malonic acid (MMA) estimations in blood.
Topics: Animals; Cobalt; Liver Diseases; Methylmalonic Acid; Sheep; Sheep Diseases; Vitamin B 12 | 1990 |
Kinetic determination of vitamin B12 in pharmaceuticals by the continuous addition of reagent technique.
Topics: Cobalt; Indicators and Reagents; Kinetics; Microcomputers; Pharmaceutical Preparations; Vitamin B 12 | 1990 |
[Cobalt deficiency and photosensitivity in a flock of Texel lambs].
Topics: Animals; Cobalt; Deficiency Diseases; Diagnosis, Differential; Liver Diseases; Photosensitivity Disorders; Sheep; Sheep Diseases; Vitamin B 12 | 1990 |
Comparison of cobalt supplemented anthelmintics and injected vitamin B12 for cobalt-deficient lambs.
Topics: Administration, Oral; Animals; Anthelmintics; Cobalt; Injections, Subcutaneous; Sheep; Sheep Diseases; Vitamin B 12 | 1990 |
A comparison of serum vitamin B12 and serum methylmalonic acid as diagnostic measures of cobalt status in cattle.
Topics: Animals; Cattle; Cattle Diseases; Cobalt; Male; Malonates; Methylmalonic Acid; Vitamin B 12; Weight Gain | 1990 |
Reduction reactions of water soluble cyano-cobalt(III)-porphyrins: metal versus ligand centered processes.
Topics: Cobalt; Electrochemistry; Metalloporphyrins; Oxidation-Reduction; Radiochemistry; Solubility; Vitamin B 12; Water | 1990 |
Development of a specific radioimmunoassay for vitamin B12 and its application in the diagnosis of cobalt deficiency in sheep.
Topics: Animals; Antibody Specificity; Cobalt; Cross Reactions; Immune Sera; Predictive Value of Tests; Radioimmunoassay; Sheep; Sheep Diseases; Vitamin B 12 | 1990 |
Ovine white-liver disease (OWLD) in Norway: clinical symptoms and preventive measures.
Topics: Animals; Cobalt; Female; Liver Diseases; Male; Norway; Sheep; Sheep Diseases; Vitamin B 12; Vitamin B 12 Deficiency | 1990 |
cobA function is required for both de novo cobalamin biosynthesis and assimilation of exogenous corrinoids in Salmonella typhimurium.
Topics: Chromosome Mapping; Cobalt; Corrinoids; Gene Expression Regulation, Bacterial; Genes, Bacterial; Phenotype; Salmonella typhimurium; Transcription, Genetic; Vitamin B 12 | 1990 |
Sequential changes in plasma methylmalonic acid and vitamin B12 in sheep eating cobalt-deficient grass.
Topics: Animals; Body Weight; Cobalt; Diet; Malonates; Methylmalonic Acid; Poaceae; Sheep; Vitamin B 12; Vitamin B 12 Deficiency | 1989 |
Methylmalonic acid in the diagnosis of cobalt deficiency in barley-fed lambs.
Topics: Animals; Body Weight; Cobalt; Diet; Female; Hordeum; Male; Malonates; Methylmalonic Acid; Sheep; Time Factors; Vitamin B 12; Vitamin B 12 Deficiency | 1989 |
Spectroelectrochemical studies of the corrinoid/iron-sulfur protein involved in acetyl coenzyme A synthesis by Clostridium thermoaceticum.
Topics: Acetyl Coenzyme A; Clostridium; Cobalt; Corrinoids; Electrochemistry; Iron-Sulfur Proteins; Metalloproteins; Methylation; Oxidation-Reduction; Spectrophotometry, Ultraviolet; Vitamin B 12 | 1989 |
Duration of effective benefit from administration of graded oral doses of cobalt to sheep.
Topics: Animals; Benzimidazoles; Cobalt; Drug Administration Schedule; Female; Fenbendazole; Lactation; Methylmalonic Acid; Pregnancy; Sheep; Time Factors; Vitamin B 12 | 1989 |
Isolation and genetic characterizations of Bacillus megaterium cobalamin biosynthesis-deficient mutants.
Topics: Bacillus megaterium; Cobalt; Corrinoids; Mutation; Transduction, Genetic; Vitamin B 12 | 1986 |
Control of selenium and cobalt deficiency in lambs by supplementation of oral anthelmintics.
Topics: Animals; Anthelmintics; Benzimidazoles; Cobalt; Drug Combinations; Eating; Evaluation Studies as Topic; Glutathione Peroxidase; Levamisole; Oxyclozanide; Selenium; Sheep; Sheep Diseases; Vitamin B 12; Weight Gain | 1988 |
Acceleration of cleavage of the carbon-cobalt bond of sterically hindered alkylcobalamins by binding to apoprotein of diol dehydrase.
Topics: Allosteric Site; Apoproteins; Binding, Competitive; Carbon; Cobalt; Cobamides; In Vitro Techniques; Kinetics; Photolysis; Propanediol Dehydratase; Vitamin B 12 | 1988 |
An assessment of the efficacy and safety of selenium and cobalt included in an anthelmintic for sheep.
Topics: Administration, Oral; Animals; Cobalt; Drug Evaluation; Female; Glutathione Peroxidase; Liver; Mebendazole; Selenium; Sheep; Vitamin B 12 | 1988 |
Methylmalonic acid as an indicator of vitamin B12 deficiency in grazing sheep.
Topics: Animals; Cobalt; Malonates; Methylmalonic Acid; Sheep; Sheep Diseases; Vitamin B 12; Vitamin B 12 Deficiency | 1987 |
Evaluation of the efficacy of trace element supplementation of an anthelmintic.
Topics: Animals; Benzimidazoles; Body Weight; Cobalt; Drug Combinations; Female; Fenbendazole; Glutathione Peroxidase; Helminthiasis; Helminthiasis, Animal; Selenium; Sheep; Sheep Diseases; Vitamin B 12 | 1987 |
An absorptiometric method for determination of vitamin B12 and free cobalt in pharmaceuticals.
Topics: Cobalt; Spectrophotometry, Atomic; Spectrophotometry, Ultraviolet; Vitamin B 12 | 1987 |
Determination of vitamin B12 as cobalt by use of a catalytic-spectrophotometric method.
Topics: Catalysis; Cobalt; Spectrophotometry, Atomic; Vitamin B 12 | 1987 |
Substitution of Co alpha-(5-hydroxybenzimidazolyl)cobamide (factor III) by vitamin B12 in Methanobacterium thermoautotrophicum.
Topics: Benzimidazoles; Cobalt; Cobamides; Euryarchaeota; Vitamin B 12 | 1987 |
Cardiovascular lesions in cobalt-vitamin B12 deficient sheep.
Topics: Animals; Arteriosclerosis; Cardiovascular Diseases; Cobalt; Myocardium; Necrosis; Sheep; Sheep Diseases; Vitamin B 12; Vitamin B 12 Deficiency | 1986 |
Boluses of controlled release glass for supplementing ruminants with cobalt.
Topics: Animal Feed; Animals; Cattle; Cattle Diseases; Cobalt; Delayed-Action Preparations; Female; Glass; Liver; Male; Pregnancy; Radioimmunoassay; Sheep; Sheep Diseases; Vitamin B 12; Vitamin B 12 Deficiency | 1985 |
Effects of cobalt deficiency on the ovarian function in the East African short-horned goat.
Topics: Adrenal Cortex Hormones; Anemia, Macrocytic; Animal Feed; Animals; Body Weight; Cobalt; Estrogens; Estrus; Female; Goats; Kenya; Organ Size; Ovary; Pregnancy; Vitamin B 12; Vitamin B 12 Deficiency | 1985 |
Trace element supplementation of sheep: evaluation of various copper supplements and a soluble glass bullet containing copper, cobalt and selenium.
Topics: Animal Nutritional Physiological Phenomena; Animals; Cobalt; Copper; Liver; Male; Selenium; Sheep; Vitamin B 12 | 1985 |
Correlation between the level of vitamin-B12-dependent methionine synthetase and intracellular concentration of vitamin B12 in some bacteria.
Topics: Apoenzymes; Bacterial Proteins; Carbon Radioisotopes; Chloramphenicol; Chromatium; Cobalt; Escherichia coli; Homocysteine; Methionine; Methyltransferases; Rhodospirillum rubrum; Streptomyces; Tetracycline; Tetrahydrofolates; Vitamin B 12 | 1974 |
Observations on the vitamin B12 content of Propionibacterium freundenreichii & its possible utilization.
Topics: Cobalt; Culture Media; Propionibacterium; Vitamin B 12 | 1964 |
[Radiopharmacological studies, using neutrons, of iron-containing preparations in Siemen's demonstration SUR reactor 100].
Topics: Ascorbic Acid; Citrates; Cobalt; Copper; Cysteine; Folic Acid; Half-Life; Iron; Manganese; Neutrons; Nicotinic Acids; Nuclear Reactors; Phosphorus Isotopes; Plant Extracts; Sodium; Sulfates; Sulfur Isotopes; Vitamin B 12; Vitamins | 1970 |
[Allergic reaction to administration of vitamin B 12].
Topics: Chromium; Cobalt; Dermatitis, Occupational; Drug Hypersensitivity; Female; Humans; Middle Aged; Nickel; Vitamin B 12 | 1974 |
[Aquocobalamin (vitamin B12a) as a specific hydrocyanic acid antidote].
Topics: Animals; Antidotes; Cobalt; Cyanides; Edetic Acid; Guinea Pigs; Heart; Hydrogen Cyanide; Rats; Vitamin B 12 | 1965 |
An EPR signal generated by the ethanolamine deaminase-coenzyme B 12 complex in the presence of substrate.
Topics: Amino Alcohols; Aminohydrolases; Binding Sites; Cobalt; Coenzymes; Deuterium; Electron Spin Resonance Spectroscopy; Freezing; Hydrogen; Vitamin B 12 | 1969 |
Formation of a cobamide containing divalent cobalt by the ribonucleotide reductase of Lactobacillus leichmanii.
Topics: Cobalt; Electron Spin Resonance Spectroscopy; Guanine Nucleotides; Lactobacillus; Nucleotides; Oxidoreductases; Sulfhydryl Compounds; Thioctic Acid; Vitamin B 12 | 1969 |
Spin labeling of vitamin B 12.
Topics: Amides; Chemical Phenomena; Chemistry; Cobalt; Cyclic N-Oxides; Electron Spin Resonance Spectroscopy; Free Radicals; Light; Methods; Piperidines; Radiation Effects; Spectrophotometry; Ultraviolet Rays; Vitamin B 12 | 1969 |
The mechanism of action of ethanolamine deaminase. VI. Ethylene glycol, a quasi-substrate for ethanolamine deaminase.
Topics: Acetaldehyde; Amino Alcohols; Binding Sites; Carbon Isotopes; Chemical Phenomena; Chemistry; Chromatography, Gel; Clostridium; Cobalt; Electron Spin Resonance Spectroscopy; Ethanol; Glycols; Hot Temperature; Hydroxocobalamin; Kinetics; Lyases; Models, Biological; Models, Chemical; Nucleosides; Protein Denaturation; Spectrophotometry; Tritium; Urea; Vitamin B 12 | 1970 |
Electron paramagnetic resonance studies of cob(II)alamin and cob(II)inamides.
Topics: Amino Acids; Ammonia; Binding Sites; Chemical Phenomena; Chemistry; Cobalt; Cyanides; Drug Stability; Electron Spin Resonance Spectroscopy; Histidine; Hydrogen-Ion Concentration; Hydroxylamines; Imidazoles; Lactobacillus; Nucleotides; Oxidoreductases; Pyridines; Quinolines; Vitamin B 12 | 1970 |
The reduction of vitamin B 12a by carbon monoxide.
Topics: Buffers; Carbohydrates; Carbon Monoxide; Catalysis; Chemical Phenomena; Chemistry; Cobalt; Electron Spin Resonance Spectroscopy; Electron Transport; Freezing; Hydrogen-Ion Concentration; Hydroquinones; Kinetics; Mercaptoethanol; Oxidation-Reduction; Partial Pressure; Spectrophotometry; Vitamin B 12 | 1970 |
Initial steps in oxygen interaction with protein-bound metals.
Topics: Chemical Phenomena; Chemistry, Physical; Cobalt; Electron Spin Resonance Spectroscopy; Hemoglobins; Iron; Metals; Oxygen; Porphyrins; Protein Binding; Vitamin B 12 | 1970 |
Cobamides and ribonucleotide reduction. VII. Cob(II)alamin as a sensitive probe for the active center of ribonucleotide reductase.
Topics: Alcohol Oxidoreductases; Binding Sites; Cobalt; Electron Spin Resonance Spectroscopy; Electron Transport; Lactobacillus; Nucleosides; Nucleotides; Oxidation-Reduction; Photochemistry; Vitamin B 12 | 1971 |
Cobalt. II. Tetraphenylporphyrin complex with carbon monoxide.
Topics: Carbon Monoxide; Chemical Phenomena; Chemistry; Cobalt; Electron Spin Resonance Spectroscopy; Oxidation-Reduction; Porphyrins; Protein Binding; Vitamin B 12 | 1971 |
The mechanism of action of ethanolamine ammonia lyase, a B 12 -dependent enzyme. X. A study of the reaction by electron spin resonance spectrometry.
Topics: Amino Alcohols; Ammonia; Clostridium; Cobalt; Cobamides; Coenzymes; Deuterium; Electron Spin Resonance Spectroscopy; Free Radicals; Freezing; Lyases; Nitrogen; Temperature; Vitamin B 12 | 1972 |
A study of the reduced species of cobalt and nickel complexes analogous to vitamin B 12 .
Topics: Cobalt; Electron Spin Resonance Spectroscopy; Nickel; Oxidation-Reduction; Vitamin B 12 | 1972 |
Cobalt--bis(histidine methyl ester) deuteroporphyrine IX: a coenzyme B12--related model.
Topics: Chromatography, Gel; Cobalt; Deuterium; Dimethylformamide; Electron Spin Resonance Spectroscopy; Histidine; Methanol; Molecular Conformation; Oxidation-Reduction; Polarography; Porphyrins; Spectrophotometry; Spectrophotometry, Ultraviolet; Structure-Activity Relationship; Vitamin B 12 | 1974 |
[Coordination-isomery of cobalt-methyl-factor I b and cobalt-methyl-cobalamine].
Topics: Carbon Monoxide; Chromatography, DEAE-Cellulose; Chromatography, Ion Exchange; Cobalt; Methylation; Spectrum Analysis; Stereoisomerism; Vitamin B 12; Water | 1970 |
Effect of cobalt and vitamin B12 on the peroxidase and iodinating activity of mouse thyroid and submaxillary gland: in vitro stimulation of vitamin B12 coenzyme on the iodination of tyrosine.
Topics: Amylases; Aniline Compounds; Animals; Cobalt; Copper; Diiodotyrosine; Guaiacol; Hemoglobins; Hydrogen Peroxide; In Vitro Techniques; Iodides; Iodine; Iodine Isotopes; Male; Mice; Monoiodotyrosine; Organ Size; Peroxidases; Spectrophotometry; Stimulation, Chemical; Submandibular Gland; Thyroid Gland; Tyrosine; Tyrosine Transaminase; Vitamin B 12 | 1971 |
Methylcobalamin and methylcobalt complexes of vitamin B12 model compounds as substrates in nucleophilic displacement reactions.
Topics: Alkanes; Binding Sites; Chemical Phenomena; Chemistry; Cobalt; Cyanides; Halogens; Methane; Phosphines; Selenium; Sulfhydryl Compounds; Vitamin B 12 | 1974 |
Production within the rumen and removal from the blood-stream of volatile fatty acids in sheep given a diet deficient in cobalt.
Topics: Acetates; Animals; Butyrates; Cobalt; Deficiency Diseases; Fatty Acids; Feeding and Eating Disorders; Female; Formates; Humans; Injections, Intravenous; Propionates; Rumen; Sheep; Vitamin B 12; Vitamin B 12 Deficiency | 1972 |
Methylmalonic acid excretion and incipient cobalt deficiency disease in sheep.
Topics: Animals; Cobalt; Deficiency Diseases; Female; Male; Malonates; Methanol; Sheep; Sheep Diseases; Vitamin B 12 | 1972 |
Letter: Nocturnal cramps.
Topics: Aged; Cobalt; Humans; Injections; Middle Aged; Muscle Cramp; Remission, Spontaneous; Time Factors; Vitamin B 12 | 1974 |
Some aspects of organocobalt chemistry related to vitamin B12.
Topics: Alkylation; Bromine; Cobalt; Cyanides; Kinetics; Ligands; Nitro Compounds; Organometallic Compounds; Vitamin B 12 | 1974 |
Cleavage of coenzyme B 12 by methylmalonyl coenzyme A mutase.
Topics: Acetates; Aerobiosis; Anaerobiosis; Binding, Competitive; Carbon Isotopes; Chemical Phenomena; Chemistry; Chromatography, Thin Layer; Cobalt; Cobamides; Coenzyme A; Coenzymes; Deoxyadenosines; Glutarates; Hot Temperature; Isomerases; Kinetics; Malonates; Models, Chemical; Propionates; Structure-Activity Relationship; Succinates; Temperature; Vitamin B 12 | 1973 |
Effect of ratio of roughage to concentrate and level of feed intake on ovine ruminal vitamin B 12 production.
Topics: Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Biological Assay; Catheterization; Cobalt; Cobalt Isotopes; Duodenum; Eukaryota; Intestinal Absorption; Intestine, Small; Male; Radioisotope Dilution Technique; Rumen; Sheep; Vitamin B 12; Zea mays | 1972 |
Significance of the orientation of coordinated imidazole and benzimidazole groups in haemoprotein and vitamin B 12 structures.
Topics: Benzimidazoles; Cobalt; Hemeproteins; Imidazoles; Ligands; Models, Structural; Molecular Conformation; Oxygen; Protein Conformation; Pyridines; Vitamin B 12 | 1972 |
Effect of diet on fatty liver-hemorrhagic syndrome incidence in laying chickens.
Topics: Animals; Body Weight; Chickens; Choline; Cobalt; Diet; Fatty Liver; Female; Hemorrhage; Inositol; Lipids; Liver; Methionine; Poultry Diseases; Selenium; Syndrome; Vitamin B 12; Vitamin E | 1972 |
A direct method for cobalt-carbon bond formation in cobalt(3)-containing cobalamins and cobaloximes. Further support for cobalt(3). Complexes in coenzyme B 12 dependent rearrangements.
Topics: Binding Sites; Carbon; Chemical Phenomena; Chemistry; Cobalt; Cobamides; Coenzymes; Oximes; Structure-Activity Relationship; Vitamin B 12 | 1973 |
Recent advances in the chemistry of vitamin B 12 and vitamin B 12 model compounds: reductive cobalt-carbon bond cleavage reactions.
Topics: Carbon; Catalysis; Chelating Agents; Chemical Phenomena; Chemistry; Cobalt; Cobamides; Models, Chemical; Oxidoreductases; Ribonucleotides; Structure-Activity Relationship; Vitamin B 12 | 1973 |
Effect of erythropoietin on the peroxidase and tyrosine-iodinase activity of mouse thyroid and submaxillary gland.
Topics: Animals; Cobalt; Cobalt Isotopes; Enzyme Induction; Erythrocytes; Erythropoietin; Iron; Iron Isotopes; Kidney; Male; Mice; Monoiodotyrosine; Neuraminidase; Peroxidases; Rats; Sheep; Starvation; Submandibular Gland; Thyroid Gland; Vitamin B 12 | 1973 |
Response in vitamin B-12 production and absorption to increasing cobalt intake in the sheep.
Topics: Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Biological Assay; Cobalt; Dose-Response Relationship, Drug; Duodenum; Eukaryota; Gastric Fistula; Ileum; Intestinal Absorption; Intestinal Fistula; Intestine, Small; Male; Radioisotopes; Rumen; Sheep; Vitamin B 12; Zea mays | 1973 |
[Role of vitamin B 12 in the metabolism of propionic acid bacteria].
Topics: Acetates; Aerobiosis; Anaerobiosis; Bacterial Proteins; Cobalt; Culture Media; Cysteine; Deoxyribonucleotides; Glutathione; Methionine; Phosphates; Propionates; Propionibacterium; Ribonucleotides; RNA, Bacterial; Thiosulfates; Vitamin B 12 | 1973 |
The nomenclature of corrinoids (1973 recommendations). IUPAC-IUB Commission on Biochemical Nomenclature.
Topics: Abbreviations as Topic; Chemical Phenomena; Chemistry; Cobalt; Cobamides; Pyrroles; Terminology as Topic; Vitamin B 12 | 1974 |
Formation of cobalt-porphyrin by Corynebacterium simplex grown on hydrocarbon media.
Topics: Chromatography, Paper; Chromatography, Thin Layer; Cobalt; Corynebacterium; Culture Media; Hydrocarbons; Hydrochloric Acid; Iron; Porphyrins; Spectrophotometry, Atomic; Sulfates; Time Factors; Vitamin B 12 | 1974 |
Effect of processing of cereals on rumen fermentation, digestibility, rumination time, and firmness of subcutaneous fat in lambs.
Topics: Acetates; Adipose Tissue; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Cobalt; Digestion; Edible Grain; Hydrogen-Ion Concentration; Propionates; Rumen; Sheep; Skin; Triticum; Vitamin B 12; Zea mays | 1974 |
Effect of processing of dietary barley and of supplementary cobalt and cyanocobalamin on the fatty acid composition of lamb triglycerides, with special reference to branched-chain components.
Topics: Adipose Tissue; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Cobalt; Edible Grain; Fatty Acids; Female; Isomerases; Propionates; Sheep; Triglycerides; Vitamin B 12 | 1974 |
Studies on the mechanism of cobalamin binding to hog intrinsic factor.
Topics: Animals; Binding Sites; Charcoal; Chromatography, Affinity; Chromatography, DEAE-Cellulose; Chromatography, Gel; Chromatography, Ion Exchange; Cobalt; Cobalt Radioisotopes; Intrinsic Factor; Kinetics; Magnetic Resonance Spectroscopy; Molecular Conformation; Polysaccharides; Spectrophotometry; Swine; Vitamin B 12 | 1974 |
Cobalt-free corrinoids as vitamin B 12 antagonists.
Topics: Anilides; Animals; Antimetabolites; Arthrobacter; Ascitic Fluid; Chemical Phenomena; Chemistry, Physical; Chromatium; Cobalt; Cobalt Isotopes; Depression, Chemical; Escherichia coli; Euglena; Gastric Juice; Humans; Intrinsic Factor; Lactobacillus; Swine; Vitamin B 12 | 1968 |
Methylmalonic acid and coenzyme A concentrations in the livers of pair-fed vitamin B 12-deficient and vitamin B 12-treated sheep.
Topics: Animals; Body Weight; Carbon Isotopes; Cobalt; Coenzyme A; Deficiency Diseases; Diet; Female; Liver; Malonates; Organ Size; Radioisotope Dilution Technique; Sheep; Time Factors; Vitamin B 12; Vitamin B 12 Deficiency | 1969 |
The biosynthesis of corrinoids by Propionibacterium shermanii 1 in the cheese-whey medium.
Topics: Benzimidazoles; Cobalt; Culture Media; Dairy Products; Electrophoresis; Escherichia coli; Propionibacterium; Saccharomyces; Spectrophotometry; Sulfates; Vitamin B 12 | 1970 |
A synthetic route to metal-free corrins.
Topics: Cobalt; Vitamin B 12 | 1967 |
Reactivity of ligands in synthetic cobalt(3)and nickel (II)-corrin complexes.
Topics: Cobalt; Nickel; Vitamin B 12 | 1967 |
Some observations on the mechanism of tobacco amblyopia and its treatment with sodium thiosulphate.
Topics: Age Factors; Aged; Amblyopia; Aqueous Humor; Blood-Brain Barrier; Cobalt; Cyanides; Edetic Acid; Electrocardiography; Humans; Light; Male; Middle Aged; Nutrition Disorders; Retina; Smoking; Thiosulfates; Toxins, Biological; Transferases; Vitamin B 12 | 1970 |
Coenzyme B 12 model studies. Equilibria and kinetics of axial ligation of methylaquocobaloxime by thiols.
Topics: Cobalt; Coenzymes; Kinetics; Models, Chemical; Oximes; Sulfhydryl Compounds; Sulfides; Vitamin B 12 | 1972 |
Serum vitamin B12 levels and the diagnosis of cobalt deficiency in sheep.
Topics: Animals; Cobalt; Deficiency Diseases; Feces; Sheep; Sheep Diseases; Vitamin B 12 | 1972 |
Biosynthesis of corrinoids. Uroporphyrinogen 3 as a precrusor of vitamin B 12 .
Topics: Cobalt; Porphyrins; Propionates; Propionibacterium; Pyrroles; Vitamin B 12 | 1972 |
[Vitamins and trace elements].
Topics: Animals; Avitaminosis; Calcium; Catalysis; Chickens; Cobalt; Cobamides; Humans; Intestinal Absorption; Mice; Rats; Selenium; Trace Elements; Vitamin A; Vitamin B 12; Vitamin B Complex; Vitamin D; Vitamin E; Vitamin E Deficiency; Vitamins | 1972 |
Recent advances in the chemistry of natural products.
Topics: Cobalt; Ethers, Cyclic; Methods; Methylation; Stereoisomerism; Vitamin B 12 | 1971 |
Vitamin B12 dependent glutamate mutase activity in photosynthetic bacteria.
Topics: Animals; Aspartic Acid; Carbon Isotopes; Cell-Free System; Chromatography, Paper; Cobalt; Culture Media; Fumarates; Glutamates; Intrinsic Factor; Isomerases; Photosynthesis; Rhodopseudomonas; Rhodospirillum; Swine; Vitamin B 12 | 1971 |
Biosynthesis of vitamin B 12 by Propionibacterium shermanii. V. Interrelationship between vitamin B 12 and porphyrin synthesis.
Topics: Agar; Amino Acids; Azaguanine; Azides; Chloramphenicol; Cobalt; Culture Media; Depression, Chemical; Dinitrophenols; Glucose; Hydrazines; Iron; Levulinic Acids; Malonates; Peptones; Porphyrins; Propionibacterium; Saccharomyces; Stimulation, Chemical; Vitamin B 12; Xanthines | 1971 |
Hydridocobalamin and a new synthesis of organocobalt derivatives of vitamin B 12 .
Topics: Cobalt; Hydrogen-Ion Concentration; Methods; Organometallic Compounds; Oxidation-Reduction; Oximes; Vitamin B 12; Zinc | 1971 |
Heat lability of transcobalamin II.
Topics: Buffers; Chromatography, DEAE-Cellulose; Chromatography, Gel; Chromatography, Ion Exchange; Cobalt; Cobalt Isotopes; Coenzymes; Dialysis; Hot Temperature; Humans; Methods; Protein Binding; Time Factors; Vitamin B 12 | 1971 |
[Synthesis of bridged cobaloximes].
Topics: Bridged-Ring Compounds; Cobalt; Coenzymes; Models, Chemical; Oximes; Vitamin B 12 | 1971 |
X-ray analysis of a bridged cobaloxime (chloro-pyridino-cis-1, 12-bis-methyl glyoximato-dodecane-cobalt (3)).
Topics: Bridged-Ring Compounds; Cobalt; Coenzymes; Models, Chemical; Oximes; Vitamin B 12; X-Ray Diffraction | 1971 |
Pyruvate: ferredoxin oxidoreductase. I. The pyruvate-CO 2 exchange reaction.
Topics: Anaerobiosis; Carbon Dioxide; Carbon Isotopes; Chemical Phenomena; Chemistry; Chlorides; Chromatography, DEAE-Cellulose; Chromatography, Gel; Clostridium; Cobalt; Coenzyme A; Electrophoresis; Enzyme Activation; Ferredoxins; Hydrogen-Ion Concentration; Hydroxocobalamin; Kinetics; Mercaptoethanol; Oxidoreductases; Pyruvates; Sulfhydryl Compounds; Thiamine Pyrophosphate; Vitamin B 12 | 1971 |
Hematopoietic response to hematinics in horses.
Topics: Anemia, Hypochromic; Animals; Ascorbic Acid; Calcium; Cobalt; Copper; Dextrans; Female; Folic Acid; Hematocrit; Hemoglobins; Horse Diseases; Horses; Iron; Male; Sulfates; Vitamin B 12 | 1971 |
A vitamin B12 compound containing no cobalt.
Topics: Chemical Phenomena; Chemistry; Chromatium; Cobalt; Hydrogen-Ion Concentration; In Vitro Techniques; Spectrophotometry; Vitamin B 12 | 1965 |
[Research on the pathogenesis of avian erythremia].
Topics: Animals; Chick Embryo; Cobalt; Erythropoietin; Leukemia, Erythroblastic, Acute; Nandrolone; Poultry; Prednisone; Vitamin B 12 | 1965 |
[Reflections on the utilization of a nonhormonal proteinic anabolite in pediatric conditions].
Topics: Adolescent; Animals; Anorexia Nervosa; Body Weight; Child, Preschool; Cobalt; Coenzymes; Feeding and Eating Disorders; Female; Humans; Imidazoles; Infant; Infant, Newborn; Male; Proteins; Rabbits; Rats; Vitamin B 12 | 1967 |
The chemistry of Co(I) derivatives of vitamin B12 and of related chelates.
Topics: Chemical Phenomena; Chemistry; Cobalt; Hydrocarbons; Organometallic Compounds; Oxidation-Reduction; Oximes; Spectrum Analysis; Vitamin B 12 | 1969 |
Nature of the carbon-cobalt bond in cobalamins.
Topics: Carbon; Chemical Phenomena; Chemistry; Cobalt; Electrons; Vitamin B 12 | 1969 |
The requirement of sheep for cobalt or for vitamin B12.
Topics: Administration, Oral; Animal Nutritional Physiological Phenomena; Animals; Body Weight; Cobalt; Feeding and Eating Disorders; Humans; Injections, Intramuscular; Intestinal Absorption; Liver; Nutritional Requirements; Rumen; Sheep; Vitamin B 12 | 1970 |
Some metabolic aspects of vitamin B 12 deficiency in sheep.
Topics: Animals; Basal Metabolism; Body Weight; Carbon Dioxide; Cobalt; Diet; Digestion; Feces; Feeding and Eating Disorders; Female; Hemoglobins; Humans; Injections; Methane; Nitrogen; Oxygen Consumption; Sheep; Sheep Diseases; Vitamin B 12; Vitamin B 12 Deficiency | 1970 |
[Cobalt and vitamin B 12 metabolism. VI. Effect of chlortetracycline and 5,6-dimethylbenzimidazole on bacterial corrinoid synthesis in chickens].
Topics: Animal Feed; Animals; Benzimidazoles; Chlortetracycline; Cobalt; Male; Nutritional Physiological Phenomena; Poultry; Vitamin B 12 | 1965 |
Mechanism of action of coenzyme B 12 . Release of 5'-deoxyinosine on incubation of deoxyinosylcobalamin, 1,2-propanediol and propanediol dehydrase.
Topics: Carbon Isotopes; Chemical Phenomena; Chemistry; Chromatography, Thin Layer; Cobalt; Coenzymes; Darkness; Deoxyadenosines; Hydro-Lyases; Hydrogen; Models, Chemical; Nucleosides; Propylene Glycols; Vitamin B 12 | 1971 |
Cobalt-free corrinoids as vitamin B12 antagonists.
Topics: Antimetabolites; Cobalt; Escherichia coli; Lactobacillus; Sulfanilamides; Vitamin B 12; Vitamins | 1966 |
Biochemical studies on Streptomyces aureofaciens. V. The role of cobalamins and methionine in methylation reactions in tetracycline biosynthesis.
Topics: Adenine; Carbon Isotopes; Cobalt; Glycine; Methionine; Methylation; Serine; Streptomyces; Tetracycline; Vitamin B 12 | 1969 |
Vitamin B12. The absorption of 57Co or 60Co-B12 by thlaying hen and mature rooster.
Topics: Animals; Chickens; Cobalt; Cobalt Isotopes; Eggs; Female; Male; Vitamin B 12 | 1969 |
[Effect of medium components on the accumulation of certain heterocyclic products in Actinomyces olivaceus cultures].
Topics: Actinomyces; Cobalt; Culture Media; Heterocyclic Compounds; Indoles; ortho-Aminobenzoates; Tryptophan; Vitamin B 12 | 1969 |
Cobalt pellets and Heliotropium europaeum poisoning in penned sheep.
Topics: Alkaloids; Animals; Cobalt; Liver; Liver Function Tests; Plant Poisoning; Pyrrolidines; Rumen; Sheep; Sheep Diseases; Vitamin B 12 | 1970 |
Influence of dietary cobalt on fecal vitamin B12 and blood composition in lambs.
Topics: Animal Feed; Animals; Blood Proteins; Cobalt; Deficiency Diseases; Feces; Hemoglobinometry; Sheep; Sheep Diseases; Vitamin B 12 | 1970 |
A cobalt-free corrinoid compound in Streptomyces olivaceus.
Topics: Chemical Precipitation; Chromatium; Chromatography; Cobalt; Culture Media; Electrophoresis; Fluorescence; Hydrogen-Ion Concentration; Methods; Pigments, Biological; Quaternary Ammonium Compounds; Species Specificity; Spectrophotometry; Spectrum Analysis; Streptomyces; Sulfates; Ultraviolet Rays; Vitamin B 12 | 1970 |
An abnormality of the bone-marrow of sheep fed cobalt-deficient hay-chaff.
Topics: Animal Feed; Animals; Bone Marrow Diseases; Bone Marrow Examination; Cobalt; Erythropoiesis; Female; Kidney; Leukocyte Count; Liver; Reticulocytes; Sheep; Time Factors; Triticum; Vitamin B 12; Vitamin B 12 Deficiency | 1970 |
The effect of cobalt intake on the cobamide and cobinamide composition of the rumen contents and blood plasma of sheep.
Topics: Animals; Cobalt; Diet; Iontophoresis; Jugular Veins; Rumen; Sheep; Vitamin B 12 | 1970 |
In vitro studies of the factors affecting the metabolism of cobamides and cobinamides by sheep rumen micro-organisms.
Topics: Animals; Cobalt; In Vitro Techniques; Nitrogen; Rumen; Sheep; Vitamin B 12 | 1970 |
Coenzyme B12 and coenzyme B12 model compounds in the catalysis of the dehydration of glycols.
Topics: Adenine; Aldehydes; Catalysis; Chemical Phenomena; Chemistry; Cobalt; Coenzymes; Glycols; Models, Biological; Models, Chemical; Nucleosides; Oximes; Vitamin B 12 | 1970 |
Spectrographic determination of traces of cobalt in vitamin B12 preparations.
Topics: Cobalt; Methods; Spectrum Analysis; Vitamin B 12 | 1970 |
Chemical and biological studies with fluoroalkylcobalamins.
Topics: Adenosine Triphosphate; Bacteria; Benzimidazoles; Chemical Phenomena; Chemistry; Chlorine; Chromatography, Thin Layer; Cobalt; Fluorine; Hydrocarbons, Halogenated; Hydrogen-Ion Concentration; Magnetic Resonance Spectroscopy; Metabolism; Methane; Photochemistry; Spectrophotometry; Ultraviolet Rays; Vitamin B 12 | 1970 |
Production, absorption, distribution and excretion of vitamin B 12 in sheep.
Topics: Animals; Cobalt; Cobalt Isotopes; Diet; Digestive System; Duodenum; Feces; Female; Food Analysis; Hydrogen-Ion Concentration; Injections; Kidney; Liver; Mitochondria, Liver; Rumen; Sheep; Vitamin B 12 | 1970 |
The chemistry of vitamin B 12. The co-ordination of biologically important molecules.
Topics: Adenine; Chemical Phenomena; Chemistry; Cobalt; Cyanides; Cysteine; Glycine; Hydrogen; Imidazoles; Kinetics; Peptides; Phenols; Protein Binding; Protons; Spectrum Analysis; Vitamin B 12; Water | 1970 |
Hydrocarbon-utilizing microorganism. Relationship of fatty acid composition and biosynthesis to hydrocarbon substrate and to vitamin B 12 level in Corynebacterium simplex.
Topics: Alkanes; Carbon Isotopes; Cobalt; Corynebacterium; Culture Media; Fatty Acids; Folic Acid; Homocysteine; Methionine; Methylation; Nucleosides; Spectrum Analysis; Transferases; Vitamin B 12 | 1970 |
Vitamin B12 dependency and cobalt-dependent metabolism.
Topics: Amino Acid Metabolism, Inborn Errors; Cobalt; Coenzymes; Humans; Malonates; Molecular Biology; Nutritional Requirements; Vitamin B 12 | 1970 |
Some factors influencing vitamin B 12 production by Pseudomonas denitrificans.
Topics: Acids; Amino Acids; Betaine; Carbohydrates; Cobalt; Culture Media; Glutamates; Glycine; Hydrogen-Ion Concentration; Minerals; Oxalates; Phosphates; Pseudomonas; Vitamin B 12 | 1970 |
Binding of aquocobalamin to the histidine residues in bovine serum albumin.
Topics: Animals; Binding Sites; Buffers; Cattle; Chloromercuribenzoates; Chromatography, Gel; Circular Dichroism; Cobalt; Cyanides; Dialysis; Histidine; Hydrogen-Ion Concentration; Imidazoles; Phosphates; Serum Albumin, Bovine; Spectrophotometry; Sulfhydryl Compounds; Temperature; Time Factors; Urea; Vitamin B 12 | 1970 |
[Cobalt and vitamin B 12 metabolism. VII. Absorption, retention and intestinal catabolism of 60 Co-2-methyladenine-cobamide (factor A) in the chicken].
Topics: Animals; Chickens; Cobalt; Cobalt Isotopes; Feces; Intestinal Absorption; Intestinal Mucosa; Vitamin B 12 | 1967 |
[Studies on the effect of some factors fo the biosynthesis of vitamin B12 in bog slime. 3].
Topics: Benzimidazoles; Cobalt; Hydrogen-Ion Concentration; Soil; Temperature; Vitamin B 12 | 1967 |
Coenzyme activity of 5'-deoxyadenosyl-10-chlorocobalamin in propanediol dehydratase system.
Topics: Catalysis; Cobalt; Coenzymes; Cyanides; Electrophoresis; Hydro-Lyases; Models, Biological; Oxidation-Reduction; Paper; Spectrophotometry; Vitamin B 12 | 1968 |
The nucleophilicity of vitamin B12.
Topics: Chemical Phenomena; Chemistry; Cobalt; Ions; Kinetics; Vitamin B 12 | 1968 |
Isolation of Co-5'-deoxyadenosylcobinamide guanosine diphosphate, alpha-(2-methyladenyl)-Co-5'-deoxyadenosylcobamide, and Co-methylcorrinoids from Clostridium thermoaceticum.
Topics: Carbon Isotopes; Chromatography, Paper; Clostridium; Cobalt; Electrophoresis; Guanine Nucleotides; Nucleosides; Spectrophotometry; Vitamin B 12 | 1968 |
Photochemical and thermal cobalt--carbon bond cleavage in alkylcobalamins and related organometallic compounds. A comparative stdy.
Topics: Chemical Phenomena; Chemistry; Cobalt; Hot Temperature; Imines; Light; Metals; Vitamin B 12 | 1968 |
Synthesis of methyl-mercury compounds by extracts of a methanogenic bacterium.
Topics: Animals; Bacteria; Birds; Cobalt; Coenzymes; Industrial Waste; Japan; Legislation as Topic; Mercury; Mercury Poisoning; Methane; Methylation; Organometallic Compounds; Sewage; Sweden; Vitamin B 12; Water Pollution | 1968 |
Some comparative observations on unthriftiness in grazing lambs.
Topics: Animals; Body Weight; Cobalt; Coccidiosis; Hemoglobinometry; Intestinal Diseases, Parasitic; Leukocyte Count; Liver; Sheep; Sheep Diseases; Strongyloidiasis; Trichostrongyloidiasis; Vitamin B 12 | 1968 |
The photolability of co-alkylcobinamides.
Topics: Amides; Chemical Phenomena; Chemistry; Chromatography, Paper; Cobalt; Cyanides; Drug Stability; Electron Transport; Hydrogen-Ion Concentration; Imidazoles; Light; Quaternary Ammonium Compounds; Spectrophotometry; Vitamin B 12 | 1968 |
Spectrophotometric demonstration of vitamin B12s-formation by nucleophilic cleavage of Co-C bond of acetylcobalamin.
Topics: Acetates; Carbon; Chemical Phenomena; Chemistry; Cobalt; Cyanides; Potassium; Spectrophotometry; Vitamin B 12 | 1968 |
[Hemopoetic factors in anemias of gastro-intestinal origin].
Topics: Anemia; Cobalt; Erythropoietin; Gastric Juice; Gastrointestinal Diseases; Humans; Iron; Mucoproteins; Vitamin B 12 | 1968 |
[Cobalt and Vitamin B 12 metabolism. 8. The effect of adding 5,6-dimethylbenzimidazol to a B 12 deficient diet on the growth of cockerels].
Topics: Animal Nutritional Physiological Phenomena; Animals; Benzimidazoles; Body Weight; Chickens; Cobalt; Growth; Male; Vitamin B 12; Vitamin B 12 Deficiency | 1968 |
The biochemical role of vitamin B12.
Topics: Aldehydes; Chemical Phenomena; Chemistry; Cobalt; Coenzymes; Hydro-Lyases; Methionine; Models, Biological; Nucleotides; Oxidoreductases; Propylene Glycols; Vitamin B 12 | 1969 |
The chemistry of vitamin B 12.
Topics: Chemical Phenomena; Chemistry; Cobalt; Coenzymes; Spectrum Analysis; Vitamin B 12 | 1969 |
B12 coenzyme-dependent ribonucleotide reductase in Rhizobium species and the effects of cobalt deficiency on the activity of the enzyme.
Topics: Alcohol Oxidoreductases; Cobalt; Coenzymes; DNA, Bacterial; Microscopy, Electron; Nucleotides; Rhizobium; Vitamin B 12 | 1969 |
Binding of 60Co--vitamin B12 by Ascaris suum intestine.
Topics: Animals; Ascaris; Autoradiography; Cobalt; Cobalt Isotopes; Female; Intestinal Absorption; Male; Vitamin B 12 | 1969 |
The effect of dietary cobalt intake on the plasma vitamin B 12 concentration of sheep.
Topics: Animals; Circadian Rhythm; Cobalt; Deficiency Diseases; Diet; Sheep; Vitamin B 12 | 1969 |
Synthesis of vitamin B 12 model compounds.
Topics: Cobalt; Heterocyclic Compounds; Vitamin B 12 | 1969 |
Studies on the effect of cobalt and selenium in clover disease of ewes.
Topics: Animals; Cobalt; Female; Infertility, Female; Liver; Plant Poisoning; Selenium; Sheep; Sheep Diseases; Vitamin B 12 | 1969 |
Calculation of the electric structures and spectra for corrin and related compounds.
Topics: Benzimidazoles; Cobalt; Color; Electrons; Energy Transfer; Models, Chemical; Protons; Spectrum Analysis; Stereoisomerism; Vitamin B 12 | 1969 |
Microbial degradation of corrinoids. IV. Alteration of the corrin nucleus.
Topics: Benzimidazoles; Chemical Phenomena; Chemistry; Chromatography, Paper; Cobalt; Cyanides; Electrophoresis; In Vitro Techniques; Infrared Rays; Light; Pigments, Biological; Pseudomonas; Spectrophotometry; Ultraviolet Rays; Vitamin B 12 | 1965 |
[Cobalt und vitamin B 12 metabolism. VI. Effect of chlortetracycline and 5,6-dimethylbenzimidazole on bacterial corrinoid synthesis in chickens].
Topics: Animal Feed; Animals; Benzimidazoles; Chlortetracycline; Cobalt; Male; Nutritional Physiological Phenomena; Poultry; Vitamin B 12 | 1965 |
[The determination of vitamin B 12 in pharmaceutical products in the presence of liver extracts as well as cobalt, iron and copper salts].
Topics: Cobalt; Copper; Iron; Liver Extracts; Spectrophotometry; Vitamin B 12 | 1965 |
[Aspects of the electronic structure of vitamin B12 and of its analogs].
Topics: Chemical Phenomena; Chemistry, Physical; Cobalt; Electrons; Purines; Vitamin B 12 | 1965 |
Vitamin B 12 analogues in non-legume root nodules.
Topics: Biological Assay; Cobalt; Euglena; In Vitro Techniques; Plants; Subcellular Fractions; Vitamin B 12 | 1965 |
The chemistry of vitamin B 12. IV. The thermodynamic trans-effect.
Topics: Chemical Phenomena; Chemistry; Cobalt; Vitamin B 12 | 1965 |
Reduction of cobalt atom of corrinoid compounds by alkali treatment.
Topics: Bromides; Chemical Phenomena; Chemistry; Chromatography, Paper; Cobalt; Electrophoresis; Iodides; Sodium Hydroxide; Vitamin B 12 | 1966 |
[On cobaloxime (II) and its relationship to vitamin B-12r].
Topics: Chemical Phenomena; Chemistry; Cobalt; Oximes; Vitamin B 12 | 1966 |
Reactions of the carbon-cobalt bond of alkylcobalamins. A reversible dissociation of the carbon-cobalt bond.
Topics: Chemical Phenomena; Chemistry; Cobalt; Hydrogen-Ion Concentration; Kinetics; Vitamin B 12 | 1966 |
Influence of cobalt on fermentative methylation.
Topics: Alkylation; Anti-Bacterial Agents; Barium; Chemical Phenomena; Chemistry; Chromatography, Paper; Cobalt; Hydroxides; Nickel; Spectrophotometry; Streptomyces; Vitamin B 12 | 1966 |
Factors affecting the anaerobic photolysis of the cobalt-carbon bond of cobalt-methylcobalamin.
Topics: 1-Propanol; Alcohols; Chemical Phenomena; Chemistry; Cobalt; Ethanol; Light; Methanol; Vitamin B 12 | 1966 |
Formation of vitamin B 12s by anaerobic photolysis of cobalt-alkylcobalamins.
Topics: Chemical Phenomena; Chemistry; Cobalt; Light; Solutions; Spectrum Analysis; Vitamin B 12 | 1966 |
Use of cheese whey for vitamin B12 production. II. Cobalt, precursor, and aeration levels.
Topics: Benzimidazoles; Cheese; Cobalt; Oxygen; Propionibacterium; Vitamin B 12 | 1966 |
[The significance of the speed of action of antidotes in the treatment of cyanide poisoning].
Topics: Animals; Antidotes; Cobalt; Cyanides; Deferoxamine; Guinea Pigs; Heart Atria; Rats; Vitamin B 12 | 1966 |
[Effect of carbonyl reagents on biosynthesis of vitamin B-12 and porphyrins by resting cells of Propionibacterium shermanii].
Topics: Chromatography; Cobalt; Cyanides; Hydrazines; Hydroxylamines; Isomerases; Isonicotinic Acids; Levulinic Acids; Porphyrins; Propionibacterium; Semicarbazides; Vitamin B 12 | 1966 |
[On porphyrins biosynthesis during growth of Actinomyces olivaceus, a producer of vitamin B-12].
Topics: Chromatography; Cobalt; Iron; Porphyrins; Streptomyces; Vitamin B 12 | 1966 |
Pathological changes and vitamin B12 metabolism in sheep parasitised by Haemonchus contortus, Ostertagia spp. and Trichostrongylus colubriformis.
Topics: Animals; Cobalt; Liver; Sheep; Sheep Diseases; Trichostrongyloidiasis; Vitamin B 12 | 1966 |
Chronic selenium toxicity studies in sheep.
Topics: Adrenal Glands; Animals; Australia; Blood Chemical Analysis; Body Weight; Cobalt; Copper; Deficiency Diseases; Heart; Kidney; Liver; Male; Minerals; Muscles; Myocardium; Protein Deficiency; Selenium; Sheep; Sheep Diseases; Thyroid Gland; Vitamin B 12; Wool | 1966 |
Cobalt deficiency anaemia in sheep.
Topics: Anemia; Animals; Cobalt; Sheep; Sheep Diseases; Vitamin B 12 | 1966 |
Kinetics of ligand binding to aquocobalamin.
Topics: Amines; Azides; Chemical Phenomena; Chemistry; Cobalt; Cyanates; Hydrogen-Ion Concentration; Imidazoles; Kinetics; Spectrophotometry; Vitamin B 12; Water | 1967 |
Enzymic synthesis of guanosine diphosphate cobinamide by extracts of propionic acid bacteria.
Topics: Amides; Carbon Isotopes; Chromatography, Paper; Cobalt; Guanine Nucleotides; Iontophoresis; Phosphorus Isotopes; Propionibacterium; Pyrophosphatases; Pyruvate Kinase; Spectrophotometry; Vitamin B 12 | 1967 |
The route of vitamin B 12 biosynthesis in Propionibacterium shermanii.
Topics: Arsenic; Buffers; Chromatography, Paper; Cobalt; Cobalt Isotopes; Electrophoresis; Propionibacterium; Vitamin B 12 | 1967 |
Effects of cobalt or hydroxycobalamin supplementation on vitamin B-12 content and (S)-methylmalonyl-CoA mutase activity of tissue from cobalt-depleted sheep.
Topics: Administration, Oral; Animal Nutritional Physiological Phenomena; Animals; Cobalt; Female; Hydroxocobalamin; Injections, Intramuscular; Isomerases; Kidney; Liver; Male; Methylmalonyl-CoA Mutase; Organ Size; Sheep; Tissue Distribution; Vitamin B 12 | 1984 |
[Pharmacological and clinico-pharmacological studies of a combination preparation for calves having antianemia and general tonic action].
Topics: Absorption; Anemia; Animals; Cattle; Cattle Diseases; Cobalt; Copper; Copper Sulfate; Drug Combinations; Drug Evaluation; Drug Evaluation, Preclinical; Drug Tolerance; Ferrous Compounds; gamma-Globulins; Iron-Dextran Complex; Male; Mice; Protein Hydrolysates; Rats; Rats, Inbred Strains; Vitamin B 12 | 1983 |
Coenzyme function of cobalamin analogues from calf kidney.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Animals; Cattle; Chromatography; Cobalt; Coenzymes; Corrinoids; Escherichia coli; Kidney; Vitamin B 12 | 1984 |
Contribution of cobalamin analogues to plasma vitamin B12 concentrations in cattle.
Topics: Animal Feed; Animals; Biological Assay; Cattle; Cattle Diseases; Cobalt; Cobalt Radioisotopes; Cobamides; Euglena gracilis; Female; Radioisotope Dilution Technique; Sheep; Vitamin B 12 | 1984 |
Production of cyanocobalamine by Azotobacter chroococcum.
Topics: Ammonium Chloride; Ascorbic Acid; Azotobacter; Cobalt; Culture Media; Iron; Molybdenum; Nitrogen; Species Specificity; Sucrose; Vitamin B 12 | 1984 |
The influence of cobalt/vitamin B12 deficiency as a "stressor" affecting adrenal cortex and ovarian activities in goats.
Topics: Adrenal Cortex; Adrenal Cortex Hormones; Animals; Cobalt; Estrus; Female; Goats; Luteinizing Hormone; Ovary; Pituitary Gland; Pregnancy; Progesterone; Time Factors; Vitamin B 12; Vitamin B 12 Deficiency | 1984 |
[Effect of cobalt and vitamin B 12 on growth and survival of rumen ciliates in vitro as a function of bacterial population].
Topics: Animals; Anti-Bacterial Agents; Bacteria; Ciliophora; Cobalt; Gastric Juice; In Vitro Techniques; Rumen; Sheep; Species Specificity; Vitamin B 12 | 1982 |
Urinary formiminoglutamic acid in lambs.
Topics: Animals; Body Weight; Cobalt; Diet; Formiminoglutamic Acid; Glutarates; Sheep; Sheep Diseases; Vitamin B 12; Vitamin B 12 Deficiency | 1983 |
[Experience with preventive treatment of syphilis with penicillin and cobalt preparations].
Topics: Adolescent; Adult; Cobalt; Drug Administration Schedule; Female; Humans; Male; Middle Aged; Penicillins; Syphilis; Vitamin B 12 | 1983 |
On the application of serum vitamin B12 radioassay to the diagnosis of cobalt deficiency in sheep.
Topics: Animals; Cobalt; Sheep; Sheep Diseases; Vitamin B 12 | 1980 |
Extracellular metal-free corrinoids from Rhodopseudomonas spheroides.
Topics: Chemical Phenomena; Chemistry; Circular Dichroism; Cobalt; Magnetic Resonance Spectroscopy; Rhodobacter sphaeroides; Vitamin B 12 | 1980 |
Effect of factor B on vitamin B12 status and propionate metabolism in sheep.
Topics: Acetates; Animals; Cobalt; Cobamides; Injections, Intramuscular; Liver; Male; Propionates; Sheep; Vitamin B 12 | 1982 |
White liver disease of sheep.
Topics: Animals; Australia; Cobalt; Disease Outbreaks; Liver Diseases; Sheep; Sheep Diseases; Vitamin B 12 | 1982 |
Effects of cobalt deficiency in pregnant and post-parturient ewes and their lambs.
Topics: Adipose Tissue; Animals; Animals, Newborn; Cobalt; Female; Lipid Metabolism; Liver; Methylmalonic Acid; Pregnancy; Pregnancy, Animal; Sheep; Vitamin B 12 | 1981 |
Cheilitis and cobalt allergy related to ingestion of vitamin B12.
Topics: Cheilitis; Cobalt; Dermatitis, Contact; Female; Humans; Middle Aged; Vitamin B 12 | 1981 |
White liver disease in lambs.
Topics: Animals; Animals, Newborn; Cobalt; Hepatic Encephalopathy; Liver Diseases; Seasons; Sheep; Sheep Diseases; Vitamin B 12; Vitamin B 12 Deficiency | 1981 |
Spectroscopic analysis of vitamin B12 derivatives.
Topics: Circular Dichroism; Cobalt; Spectrometry, Fluorescence; Spectrophotometry; Vitamin B 12 | 1980 |
Plasma vitamin B12 and reproductive performance of cows on cobalt-deficient pastures in the Rift Valley of Kenya.
Topics: Animals; Blood Glucose; Cattle; Cobalt; Fertilization; Vitamin B 12 | 1980 |
Relationship between vitamin B12 and cobalt concentrations in bovine liver.
Topics: Animals; Cattle; Cobalt; Liver; Spectrophotometry, Atomic; Vitamin B 12 | 1995 |
Recent studies of enzymically controlled steps in B12 biosynthesis.
Topics: Chromosome Mapping; Cobalt; Methyltransferases; Molecular Structure; Pseudomonas; Salmonella typhimurium; Uroporphyrins; Vitamin B 12 | 1994 |
The synthetic substrate succinyl(carbadethia)-CoA generates cob(II)alamin on adenosylcobalamin-dependent methylmalonyl-CoA mutase.
Topics: Acyl Coenzyme A; Cobalt; Cobamides; Electron Spin Resonance Spectroscopy; Methylmalonyl-CoA Mutase; Spectrophotometry, Ultraviolet; Spectrum Analysis; Substrate Specificity; Vitamin B 12 | 1993 |
Cobalt-vitamin B12 deficiency causes accumulation of odd-numbered, branched-chain fatty acids in the tissues of sheep.
Topics: Animals; Brain; Cobalt; Fatty Acids; Kidney; Liver; Methylmalonic Acid; Methylmalonyl-CoA Mutase; Sheep; Vitamin B 12; Vitamin B 12 Deficiency | 1994 |
Vitamin B12 production by Citrobacter freundii or Klebsiella pneumoniae during tempeh fermentation and proof of enterotoxin absence by PCR.
Topics: Base Sequence; Benzimidazoles; Citrobacter freundii; Cobalt; DNA; Enterotoxins; Fermentation; Food Microbiology; Glycine max; Klebsiella pneumoniae; Molecular Sequence Data; Polymerase Chain Reaction; Temperature; Vitamin B 12 | 1994 |
Heteronuclear nuclear magnetic resonance studies of cobalt corrinoids. 15. The structure of glutathionylcobalamin: a 1H and 13C two-dimensional nuclear magnetic resonance study at 600 MHz.
Topics: Carbon Isotopes; Cobalt; Glutathione; Hydrogen; Magnetic Resonance Spectroscopy; Molecular Conformation; Molecular Structure; Vitamin B 12 | 1993 |
Changes in serum levels of vitamin B12, feed intake, liveweight and hematological parameters in cobalt deficient small east African goats.
Topics: Africa, Eastern; Animals; Body Weight; Cobalt; Eating; Female; Goats; Hematologic Tests; Male; Vitamin B 12 | 1993 |
Importance of the nucleotide loop moiety coordinated to the cobalt atom of adenosylcobalamin for coenzymic function in the diol dehydrase reaction.
Topics: Binding Sites; Cobalt; Cobamides; Coenzymes; Corrinoids; Klebsiella; Nucleotides; Propanediol Dehydratase; Vitamin B 12 | 1993 |
The inhibition of corrinoid-catalyzed oxidation of mercaptoethanol by methyl iodide: mechanistic implications.
Topics: Catalysis; Cobalt; Coenzymes; Corrinoids; Disulfides; Electron Transport; Hydrocarbons, Iodinated; Hydrogen Peroxide; Kinetics; Mercaptoethanol; Oxidation-Reduction; Oxygen; Oxygen Consumption; Photolysis; Superoxide Dismutase; Vitamin B 12 | 1993 |
Increased tolerance to annual ryegrass toxicity in sheep given a supplement of cobalt.
Topics: Administration, Oral; Animal Feed; Animals; Aspartate Aminotransferases; Brain Diseases; Cobalt; Drug Tolerance; Glutamate Dehydrogenase; Glycolipids; Liver Failure; Lolium; Male; Plant Poisoning; Seeds; Sheep; Sheep Diseases; Toxins, Biological; Vitamin B 12 | 1995 |
Relationship between vitamin B12 and cobalt concentrations in bovine liver.
Topics: Animals; Cattle; Cattle Diseases; Cobalt; Deficiency Diseases; Liver; Vitamin B 12 | 1995 |
Salmonella typhimurium cobalamin (vitamin B12) biosynthetic genes: functional studies in S. typhimurium and Escherichia coli.
Topics: Amino Acid Sequence; Base Sequence; Cobalt; Escherichia coli; Genes, Bacterial; Molecular Sequence Data; Mutation; Salmonella typhimurium; Vitamin B 12 | 1996 |
Effects of low concentrations of dietary cobalt on rumen succinate concentration in sheep.
Topics: Acyl Coenzyme A; Animals; Cobalt; Diet; Liver; Methylmalonic Acid; Methylmalonyl-CoA Mutase; Propionates; Rumen; Sheep; Succinates; Succinic Acid; Vitamin B 12 | 1996 |
Cobalt-vitamin B12 deficiency and the activity of methylmalonyl CoA mutase and methionine synthase in cattle.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Animals; Brain; Cattle; Cattle Diseases; Cobalt; Diet; Liver; Male; Methylmalonyl-CoA Mutase; Vitamin B 12; Vitamin B 12 Deficiency | 1995 |
Evidence that the CysG protein catalyzes the first reaction specific to B12 synthesis in Salmonella typhimurium, insertion of cobalt.
Topics: Chromosome Mapping; Cobalt; Culture Media; Cysteine; Heme; Iron; Methionine; Methyltransferases; Mutagenesis; Operon; Oxidation-Reduction; Phenotype; Point Mutation; Salmonella typhimurium; Sulfites; Vitamin B 12 | 1996 |
The effect of cobalt supplementation on the immune response in vitamin B12 deficient Texel lambs.
Topics: Animals; Antibody Formation; Blood Proteins; Cattle; Cell Count; Cobalt; Feces; Food, Fortified; Herpesviridae Infections; Herpesvirus 1, Bovine; Leukocyte Count; Lymphocyte Activation; Ovum; Paratuberculosis; Poaceae; Sheep; Twins; Vitamin B 12; Vitamin B 12 Deficiency | 1996 |
Urinary cobalt as a measure of exposure in the wet sharpening of hard metal and stellite blades.
Topics: Air Pollutants; Beer; Cobalt; Dust; Environmental Monitoring; Female; Gloves, Protective; Humans; Male; Occupational Exposure; Skin Absorption; Vitamin B 12 | 1997 |
A role for Salmonella typhimurium cbiK in cobalamin (vitamin B12) and siroheme biosynthesis.
Topics: Cobalt; Corrinoids; Cysteine; Escherichia coli; Gene Deletion; Genes, Bacterial; Genetic Complementation Test; Heme; Methyltransferases; Mutagenesis, Site-Directed; Porphyrins; Salmonella typhimurium; Species Specificity; Spectrophotometry, Ultraviolet; Vitamin B 12 | 1997 |
Redox chemistry of cobalamin and iron-sulfur cofactors in the tetrachloroethene reductase of Dehalobacter restrictus.
Topics: Bacteria, Anaerobic; Cobalt; Electron Spin Resonance Spectroscopy; Iron-Sulfur Proteins; Oxidation-Reduction; Oxidoreductases; Substrate Specificity; Titrimetry; Vitamin B 12 | 1997 |
Effect of cobalt supplementation on serum vitamin B12 levels, weight gain and survival rate in lambs grazing cobalt-deficient pastures.
Topics: Animals; Body Weight; Cobalt; Female; Liver Diseases; Male; Netherlands; Sex Characteristics; Sheep; Sheep Diseases; Survival Rate; Vitamin B 12; Vitamin B 12 Deficiency; Weight Gain | 1997 |
How corrinoids are synthesized without oxygen: nature's first pathway to vitamin B12.
Topics: Anaerobiosis; Cobalt; Corrinoids; Methylation; Methyltransferases; Molecular Conformation; Oxygen; Porphyrins; Pseudomonas; Subcellular Fractions; Uroporphyrins; Vitamin B 12 | 1997 |
Histopathologic and ultrastructural alterations of white liver disease in sheep experimentally depleted of cobalt.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Alopecia; Animals; Anorexia; Aspartate Aminotransferases; Bilirubin; Cobalt; Diet; Disease Models, Animal; Endoplasmic Reticulum, Smooth; gamma-Glutamyltransferase; Liver; Liver Diseases; Methylmalonyl-CoA Mutase; Microscopy, Electron; Sheep; Sheep Diseases; Vitamin B 12 | 1997 |
Changes in protonation associated with substrate binding and Cob(I)alamin formation in cobalamin-dependent methionine synthase.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Catalysis; Cobalt; Cyclic N-Oxides; Enzyme Activation; Escherichia coli; Ferricyanides; Homocysteine; Hydrogen Bonding; Hydrogen-Ion Concentration; Kinetics; Oxidation-Reduction; Phenolsulfonphthalein; Photolysis; Protein Binding; Protons; Spectrophotometry; Tetrahydrofolates; Vitamin B 12 | 1997 |
Cobalamin (vitamin B12) biosynthesis--cloning, expression and crystallisation of the Bacillus megaterium S-adenosyl-L-methionine-dependent cobalt-precorrin-4 transmethylase CbiF.
Topics: Bacillus megaterium; Base Sequence; Cloning, Molecular; Cobalt; Crystallization; Dimerization; DNA Primers; Escherichia coli Proteins; Gene Expression; Genes, Bacterial; Methyltransferases; Molecular Weight; Protein Conformation; Recombinant Proteins; S-Adenosylmethionine; Vitamin B 12 | 1998 |
The mechanism of adenosylmethionine-dependent activation of methionine synthase: a rapid kinetic analysis of intermediates in reductive methylation of Cob(II)alamin enzyme.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Amino Acid Substitution; Aspartic Acid; Cobalt; Electron Transport; Enzyme Activation; Escherichia coli; Glutamic Acid; Histidine; Kinetics; Methylation; Models, Chemical; Mutagenesis, Site-Directed; Oxidation-Reduction; S-Adenosylmethionine; Transcobalamins; Vitamin B 12 | 1998 |
Definition of the redox states of cobalt-precorrinoids: investigation of the substrate and redox specificity of CbiL from Salmonella typhimurium.
Topics: Bacterial Proteins; Carbon Isotopes; Cobalt; Corrinoids; Electron Spin Resonance Spectroscopy; Esterification; Ligands; Magnetic Resonance Spectroscopy; Methyltransferases; Oxidation-Reduction; Oxygen; Porphyrins; Potassium Cyanide; Salmonella typhimurium; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Substrate Specificity; Uroporphyrins; Vitamin B 12 | 1998 |
Identification of dimethylbenzimidazole axial coordination and characterization of (14)N superhyperfine and nuclear quadrupole coupling in Cob(II)alamin bound to ethanolamine deaminase in a catalytically-engaged substrate radical-Cobalt(II) biradical stat
Topics: Benzimidazoles; Catalysis; Cobalt; Electron Spin Resonance Spectroscopy; Ethanolamine Ammonia-Lyase; Nitrogen Isotopes; Substrate Specificity; Vitamin B 12 | 1999 |
Cobalt-deficiency-induced hyperhomocysteinaemia and oxidative status of cattle.
Topics: Animals; Cattle; Cattle Diseases; Cobalt; Homocysteine; Hyperhomocysteinemia; Male; Oxidative Stress; Vitamin B 12 | 2000 |
Vitamin B-12 deficiency and hyperhomocysteinemia are partly ameliorated by cobalt and nickel supplementation in pigs.
Topics: Animal Feed; Animals; Cobalt; Copper; Dietary Supplements; Disease Models, Animal; Female; Folic Acid; Homocysteine; Hyperhomocysteinemia; Iron; Liver; Male; Nickel; Swine; Trace Elements; Vitamin B 12; Vitamin B 12 Deficiency | 2000 |
Evaluation of the cobalt requirement of beef cattle based on vitamin B12, folate, homocysteine and methylmalonic acid.
Topics: Animals; Cattle; Chromatography, High Pressure Liquid; Cobalt; Homocysteine; Liver; Male; Methylmalonic Acid; Nutritional Requirements; Radioimmunoassay; Vitamin B 12 | 2000 |
Synthesis, characterization, solution stability, and X-ray crystal structure of the thiolatocobalamin gamma-glutamylcysteinylcobalamin, a dipeptide analogue of glutathionylcobalamin: insights into the enhanced Co-S bond stability of the natural product gl
Topics: Cobalt; Crystallography, X-Ray; Dipeptides; Glutamine; Glutathione; Molecular Conformation; Solutions; Sulfur; Vitamin B 12 | 2001 |
Inactive corrinoid-compound significantly decreases in Spirulina platensis grown in a cobalt-deficient medium.
Topics: Chromatography, High Pressure Liquid; Cobalt; Corrinoids; Culture Media; Cyanobacteria; Porphyrins; Vitamin B 12 | 2001 |
Synthesis and characterization of chlorinated alkenylcobaloximes to probe the mechanism of vitamin B(12)-catalyzed dechlorination of priority pollutants.
Topics: Air Pollutants; Algorithms; Catalysis; Cobalt; Crystallography, X-Ray; Electrochemistry; Hydrocarbons, Chlorinated; Molecular Conformation; Molecular Structure; Nuclear Magnetic Resonance, Biomolecular; Organometallic Compounds; Stereoisomerism; Tetrachloroethylene; Trichloroethylene; Vinyl Compounds; Vitamin B 12 | 2002 |
Interactions of diol dehydrase and 3',4'-anhydroadenosylcobalamin: suicide inactivation by electron transfer.
Topics: Carbon; Chromatography, High Pressure Liquid; Chromatography, Liquid; Cobalt; Cobamides; Deuterium; Dideoxyadenosine; Electron Transport; Enzyme Activation; Enzyme Inhibitors; Hydrolysis; Kinetics; Nuclear Magnetic Resonance, Biomolecular; Oxidation-Reduction; Propanediol Dehydratase; Salmonella typhimurium; Spectrometry, Mass, Electrospray Ionization; Spectrophotometry, Ultraviolet; Vitamin B 12 | 2002 |
Isolation and characterization of 14 additional genes specifying the anaerobic biosynthesis of cobalamin (vitamin B12) in Propionibacterium freudenreichii (P. shermanii).
Topics: Anaerobiosis; Base Sequence; Biological Transport; Cloning, Molecular; Cobalt; Consensus Sequence; Genes, Bacterial; Methyltransferases; Molecular Sequence Data; Operon; Propionibacterium; Uroporphyrinogens; Vitamin B 12 | 2002 |
Substrate-induced conformational change of a coenzyme B12-dependent enzyme: crystal structure of the substrate-free form of diol dehydratase.
Topics: Binding Sites; Carbon; Cations, Monovalent; Cobalt; Cobamides; Crystallization; Crystallography, X-Ray; Klebsiella; Models, Molecular; Potassium; Propanediol Dehydratase; Protein Conformation; Substrate Specificity; Vitamin B 12 | 2002 |
Dichloroacetylene is not the precursor to dichlorinated vinylcobaloxime and vinylcobalamin in cobalt catalyzed dechlorination of perchloro- and trichloroethylene.
Topics: Acetylene; Catalysis; Chlorides; Chromatography, Thin Layer; Cobalt; Crystallography, X-Ray; Electrochemistry; Magnetic Resonance Spectroscopy; Models, Molecular; Molecular Conformation; Organometallic Compounds; Oximes; Tetrachloroethylene; Trichloroethylene; Vitamin B 12 | 2002 |
Direct observation of deuterium migration in crystalline-state reaction by single crystal neutron diffraction IV. "Hula-twist" rotation of a long alkyl radical produced by photoirradiation.
Topics: Cobalt; Crystallography, X-Ray; Deuterium; Models, Molecular; Molecular Conformation; Neutron Diffraction; Organometallic Compounds; Photochemistry; Vitamin B 12 | 2002 |
Study of 2-(2-quinolinylazo)-5-dimethylaminobenzoic acid as a new chromogenic reagent for the spectrophotometric determination of cobalt.
Topics: Benzoates; Chromogenic Compounds; Cobalt; Hair; Humans; Hydrogen-Ion Concentration; Nicotiana; ortho-Aminobenzoates; Quinolines; Sensitivity and Specificity; Spectrophotometry; Tea; Vitamin B 12; Water Pollutants, Chemical | 2002 |
[On-line determination of transitional metal ions by low-pressure ion chromatography with chemiluminescence detection].
Topics: Chromatography, Ion Exchange; Cobalt; Copper; Hair; Luminescent Measurements; Manganese; Tablets; Vitamin B 12 | 2002 |
Epimerization at carbon-5' of (5'R)-[5'-2H]adenosylcobalamin by ribonucleoside triphosphate reductase: cysteine 408-independent cleavage of the Co-C5' bond.
Topics: Cobalt; Oxidoreductases; Protein Binding; Vitamin B 12 | 2003 |
Spectroscopic and computational studies of Co3+-corrinoids: spectral and electronic properties of the B12 cofactors and biologically relevant precursors.
Topics: Circular Dichroism; Cobalt; Cobamides; Corrinoids; Models, Molecular; Porphyrins; Spectrum Analysis, Raman; Vitamin B 12 | 2003 |
Axial solvent coordination in "base-fff" cob(II)alamin and related co(II)-corrinates revealed by 2D-EPR.
Topics: Cobalt; Corrinoids; Electron Spin Resonance Spectroscopy; Nitrogen; Porphyrins; Solvents; Vitamin B 12 | 2003 |
Effect of dietary cobalt supplementation on cobalt metabolism and performance of dairy cattle.
Topics: Aging; Animals; Body Weight; Cattle; Cell Nucleus; Cobalt; Colostrum; Cytosol; Dietary Supplements; Eating; Fatty Acids, Nonesterified; Female; Lactation; Liver; Lysosomes; Microsomes, Liver; Milk; Mitochondria, Liver; Parity; Vitamin B 12 | 2003 |
[Catalytic spectrophotometry for the determination of trace cobalt by the new indicating reaction].
Topics: Catalysis; Cobalt; Kinetics; Periodic Acid; Potassium Compounds; Rosaniline Dyes; Sensitivity and Specificity; Spectrophotometry; Tea; Vitamin B 12 | 2002 |
[Photometric determination of cobalt by the formation of a multi-ligand complex of Co(II)-C16H16N2S2O2-DEA].
Topics: Benzaldehydes; Chelating Agents; Cobalt; Ditiocarb; Ligands; Pharmaceutical Preparations; Photochemistry; Spectrophotometry, Ultraviolet; Vitamin B 12 | 2002 |
Failure of cobalt added to the rations of dairy cows to increase the vitamin B12 potency of the milk.
Topics: Animals; Breast; Cattle; Cobalt; Female; Milk; Vitamin B 12 | 1952 |
Synthesis of certain B-vitamins in the cobalt deficient sheep, with special reference to vitamin B12.
Topics: Animals; Cobalt; Sheep; Sheep, Domestic; Vitamin B 12; Vitamins | 1952 |
Response of cobalt-deficient sheep to intravenously administered vitamin B12.
Topics: Animals; Cobalt; Sheep; Sheep, Domestic; Vitamin B 12 | 1952 |
Response of cobalt-deficient sheep to massive doses of vitamin B12.
Topics: Animals; Cobalt; Corrinoids; Sheep; Sheep Diseases; Vitamin B 12 | 1952 |
Control of cobalt-deficiency in sheep by injection of vitamin B12.
Topics: Animals; Cobalt; Corrinoids; Injections; Sheep; Sheep Diseases; Vitamin B 12 | 1952 |
Influence of cobalt on the production of factors possessing vitamin B12-like activity in the faeces of sheep.
Topics: Animals; Cobalt; Corrinoids; Feces; Sheep; Vitamin B 12 | 1952 |
Response of vitamin B12 of grazing cobalt-deficient lambs.
Topics: Animals; Cobalt; Corrinoids; Sheep; Sheep Diseases; Vitamin B 12 | 1952 |
Tracer studies with the B12 vitamins. I. Neutron irradiation of vitamin B12.
Topics: Cobalt; Cobalt Radioisotopes; Hematinics; Neutrons; Phosphorus; Vitamin B 12; Vitamins | 1952 |
Tracer studies with the B12 vitamins. II. Biosynthesis of vitamin B12 labelled with 60Co and 32P.
Topics: Cobalt; Cobalt Radioisotopes; Hematinics; Phosphorus; Phosphorus Radioisotopes; Vitamin B 12; Vitamins | 1952 |
Cobalt and vitamin B12 in sheep. I. Distribution of radiocobalt in tissues and ingesta.
Topics: Animals; Cobalt; Gastrointestinal Contents; Sheep; Sheep, Domestic; Vitamin B 12 | 1953 |
[Studies on cyanocobalamin].
Topics: Cobalt; Corrinoids; Cyanides; Hematinics; Vitamin B 12 | 1953 |
RELATION of vitamin B12 to cobalt deficiency in sheep.
Topics: Animals; Cobalt; Humans; Sheep; Sheep Diseases; Vitamin B 12 | 1953 |
Excretion of cobalt 60-labeled vitamin B12 after total gastrectomy.
Topics: Cobalt; Cobalt Radioisotopes; Corrinoids; Gastrectomy; Hematinics; Humans; Stomach; Vitamin B 12 | 1953 |
[Iron cobalt and vitamin B12].
Topics: Anemia; Anemia, Hypochromic; Cobalt; Corrinoids; Hematinics; Humans; Iron; Vitamin B 12 | 1953 |
Vitamin B12 and cobalt chloride in growth and reproduction of four strains of mice.
Topics: Animals; Biological Phenomena; Cobalt; Corrinoids; Growth; Hematinics; Mice; Reproduction; Vitamin B 12 | 1953 |
[Some characteristics of a synthetic cobalt compound with vitamin B12 activity].
Topics: Cobalt; Corrinoids; Hematinics; Vitamin B 12 | 1953 |
[Determination of cobalt valence in vitamin B12 by roentgen spectrograph].
Topics: Cobalt; Corrinoids; Hematinics; Spectrum Analysis; Vitamin B 12 | 1953 |
[Vitamin B12, folic acid, cobalt and the reduction systems of human erythrocytes].
Topics: Cobalt; Corrinoids; Erythrocytes; Folic Acid; Hemoglobins; Humans; Oxidation-Reduction; Vitamin B 12 | 1954 |
[Comparison of the action of vitamin B12 and of cobalt salts on Saccharomyces cerevisiae].
Topics: Cobalt; Corrinoids; Hematinics; Saccharomyces cerevisiae; Salts; Vitamin B 12; Yeasts | 1954 |
[Studies on stability of hemopoietic factors (vitamin B12) in concentrate of liver extract and in the presence of potassium cyanide and cobalt chloride].
Topics: Cobalt; Corrinoids; Health Services; Hematinics; Liver; Liver Extracts; Potassium Cyanide; Vitamin B 12 | 1954 |
The use of the radioactive isotope of cobalt Co58 for the preparation of labelled vitamin B12.
Topics: Cobalt; Hematinics; Humans; Radioisotopes; Vitamin B 12 | 1954 |
The effect on the growth performance of young pigs of adding cobalt, vitamin B12 and antibiotics to semipurified rations.
Topics: Animals; Anti-Bacterial Agents; Cobalt; Growth; Sus scrofa; Swine; Vitamin B 12 | 1954 |
The determination of vitamin B12-activity in the organs and excreta of sheep. II. The influence of cobalt on the production of factors possessing vitamin B12-activity in the rumen contents of sheep.
Topics: Animals; Body Fluids; Cobalt; Corrinoids; Rumen; Sheep; Sheep, Domestic; Stomach; Vitamin B 12 | 1954 |
Cortical and retinal responses to colored light flash in anesthetized cat.
Topics: Animals; Cats; Cerebral Cortex; Cobalt; Light; Nervous System Physiological Phenomena; Retina; Swine; Vitamin B 12 | 1955 |
Studies with vitamin B12-Co60.
Topics: Anemia; Anemia, Pernicious; Cobalt; Cobalt Radioisotopes; Radioactivity; Stomach; Vitamin B 12 | 1955 |
The effect of vitamin B12, cobalt and antibiotic feeding on the composition of pork tissue of 100-pound pigs.
Topics: Animals; Anti-Bacterial Agents; Cobalt; Meat; Sus scrofa; Swine; Vitamin B 12 | 1955 |
[The therapeutic significance of the specific cobaltchlorophyllin concentration in the nervous system].
Topics: Chlorophyll; Cobalt; Hematinics; Neuritis; Trigeminal Neuralgia; Vitamin B 12 | 1955 |
Clinical application of cobalt 60-labeled vitamin B12 urine test.
Topics: Anemia; Anemia, Pernicious; Cobalt; Gastric Juice; Humans; Stomach; Stomach Neoplasms; Vitamin B 12 | 1955 |
Red cell stroma protein rich in vitamin B12 during active regeneration; anemia studies using radioactive cobalt B12 in dogs.
Topics: Anemia; Anemia, Pernicious; Animals; Blood Proteins; Cobalt; Dogs; Erythrocytes; Regeneration; Vitamin B 12 | 1955 |
Synthesis in vitro and in vivo of Co60 containing vitamin B12-active substances by rumen microorganisms.
Topics: Animals; Bacteria; Bacteriology; Cobalt; In Vitro Techniques; Rumen; Stomach; Vitamin B 12 | 1956 |
[Therapy of different forms of anemia].
Topics: Anemia; Anemia, Hypochromic; Anemia, Pernicious; Cobalt; Corrinoids; Hematinics; Humans; Liver Extracts; Vitamin B 12 | 1955 |
Further observations on the oral administration of Co60 vitamin B12 to normal persons, patients with pernicious anemia, and subjects with various medical disorders.
Topics: Administration, Oral; Anemia; Anemia, Pernicious; Cobalt; Cobalt Radioisotopes; Corrinoids; Hematinics; Radioactivity; Vitamin B 12 | 1955 |
CLINICAL studies with cobalt-labeled vitamin B12.
Topics: Cobalt; Cobalt Radioisotopes; Humans; Vitamin B 12 | 1956 |
The plasma disappearance, excretion, and tissue distribution of cobalt 60 labelled vitamin B12 in normal subjects and patients with chronic myelogenous leukemia.
Topics: Biological Transport; Cobalt; Humans; Leukemia; Leukemia, Myelogenous, Chronic, BCR-ABL Positive; Leukemia, Myeloid; Plasma; Tissue Distribution; Vitamin B 12 | 1957 |
[Radio-paper chromatographic separations of small amounts of radiocobalt-labeled vitamin B12 from inorganic radiocobalt].
Topics: Chromatography, Paper; Cobalt; Cobalt Radioisotopes; Corrinoids; Hematinics; Radioactivity; Vitamin B 12 | 1956 |
Biosynthesis of vitamin B12 from CO60-labeled cobalt-porphyrin by aged cell homogenate of Euglena gracilis.
Topics: Cobalt; Corrinoids; Euglena gracilis; Eukaryota; Hematinics; Porphyrins; Vitamin B 12 | 1957 |
Effect of cobalt-porphyrin on the growth of vitamin B12-producing microbes.
Topics: Biological Phenomena; Cobalt; Corrinoids; Hematinics; Physiological Phenomena; Porphyrins; Vitamin B 12 | 1957 |
The determination of vitamin B12-activity in the organs and excreta of sheep. 5. The effect of cobalt deficiency on the vitamin B12 content of the blood plasma.
Topics: Animals; Cobalt; Corrinoids; Sheep; Sheep, Domestic; Vitamin B 12 | 1957 |
Determination of urinary excretion of radiocobalt-labeled vitamin B12 by cobalt sulfide precipitation.
Topics: Anemia; Anemia, Pernicious; Cobalt; Corrinoids; Hematinics; Humans; Vitamin B 12 | 1957 |
The advantages of cobalt 58 tagged vitamin B12 in the study of vitamin B12 absorption.
Topics: Biochemical Phenomena; Cobalt; Cobalt Radioisotopes; Corrinoids; Hematinics; Vitamin B 12 | 1958 |
Liver counting of cobalt-60 labeled vitamin B-12 in the diagnosis of pernicious anemia.
Topics: Anemia; Anemia, Pernicious; Cobalt; Humans; Liver; Liver Function Tests; Vitamin B 12; Vitamins | 1958 |
The in vitro binding of cobalt 60 labeled vitamin B12 by normal and leukemic sera.
Topics: Cobalt; Humans; In Vitro Techniques; Leukemia; Oxidation-Reduction; Vitamin B 12 | 1958 |
Differential excretion of cobalt-containing products following administration of CO60-labelled vit. B12 to rats.
Topics: Animals; Biochemical Phenomena; Body Fluids; Cobalt; Product Packaging; Rats; Vitamin B 12 | 1958 |
[Research on protection of erythrocytes in blood incubated in vitro].
Topics: Cobalt; Corrinoids; Erythrocytes; Humans; In Vitro Techniques; Research; Vitamin B 12 | 1958 |
Vitamin B12 and cobalt concentrations in livers from healthy and cobalt-deficient lambs.
Topics: Animals; Biochemical Phenomena; Cobalt; Corrinoids; Health; Liver; Sheep; Vitamin B 12 | 1958 |
A simplified method for the urinary excretion test of absorption of cobalt 60 labelled vitamin B12.
Topics: Cobalt; Cobalt Radioisotopes; Hematinics; Humans; Iodine Radioisotopes; Vitamin B 12 | 1958 |
The absorption of vitamin B12 labeled with radioactive cobalt 60 following subtotal gastrectomy.
Topics: Cobalt; Cobalt Radioisotopes; Corrinoids; Gastrectomy; Hematinics; Humans; Radioactivity; Vitamin B 12 | 1959 |
[Radiocobalt-labelled vitamin B12 in Schilling test; technical & clinico-hematological experiences].
Topics: Anemia; Anemia, Pernicious; Cobalt; Cobalt Radioisotopes; Hematinics; Humans; Schilling Test; Vitamin B 12 | 1959 |
Vitamin B12 absorption: relationship between oral administration and urinary excretion of cobalt 60-labeled cyanocobalamin following a parenteral dose; study of doses of 2 to 250 mu g in 148 apparently health men 20 to 92 years old.
Topics: Administration, Oral; Biochemical Phenomena; Cobalt; Cobalt Radioisotopes; Humans; Male; Vitamin B 12 | 1959 |
[Study of vitamin B12 labelled with cobalt 60 in healthy and dystrophic children].
Topics: Child; Cobalt; Health; Infant; Nutrition Disorders; Vitamin B 12 | 1959 |
[Studies of cobalt 60-labeled vitamin B12 in healthy and dystrophic children].
Topics: Child; Cobalt; Cobalt Radioisotopes; Corrinoids; Hematinics; Infant; Nutrition Disorders; Vitamin B 12 | 1959 |
[Problem of radiation dosage in the Schilling urine excretion test with Co60-vitamin B12].
Topics: Cobalt; Cobalt Radioisotopes; Corrinoids; Hematinics; Radiation Dosage; Schilling Test; Vitamin B 12 | 1959 |
The urinary excretion of assayable vitamin B12 and radioactivity after parenteral 58Co B12 in man.
Topics: Cobalt; Cobalt Radioisotopes; Humans; Male; Radioactivity; Vitamin B 12 | 1961 |
Selective uptake of specifically bound cobalt-58 vitamin B12 by human and mouse tumour cells.
Topics: Animals; Biochemical Phenomena; Cobalt; Corrinoids; Humans; Mice; Neoplasms; Research Design; Tissue Culture Techniques; Vitamin B 12 | 1961 |
The influence of chelation in determining the reactivity of the iron in hemoproteins. and the cobalt in vitamin B12 derivatives.
Topics: Chelating Agents; Cobalt; Heme; Iron; Vitamin B 12 | 1960 |
Cobalt 60 tagged B12 as a diagnostic tool in the general isotope laboratory.
Topics: Cobalt; Cobalt Radioisotopes; Gastroenterology; Hematologic Diseases; Humans; Neurology; Radioactivity; Vitamin B 12 | 1961 |
An evaluation of the cobalt-60 vitamin B12 absorption test.
Topics: Biochemical Phenomena; Cobalt; Cobalt Radioisotopes; Humans; Radioactivity; Vitamin B 12 | 1961 |
[Spontaneous modifications of certain physiological and physicochemical properties of Co60-labeled vitamin B12 during its preservation].
Topics: Cobalt; Cobalt Radioisotopes; Corrinoids; Hematinics; Radioactivity; Radioisotopes; Vitamin B 12 | 1961 |
The effect of treating ewes during pregnancy with cobaltic-oxide pellets on the vitamin B12 concentration and the chemical composition of colostrum and milk and on lamb growth.
Topics: Animals; Cobalt; Colostrum; Diet; Female; Milk; Nutrition Assessment; Nutritional Status; Oxides; Pregnancy; Sheep; Sheep, Domestic; Vitamin B 12 | 1961 |
Enzymic synthesis of light-sensitive cobalto (II)-corrins.
Topics: Cobalt; Corrinoids; Light; Vitamin B 12 | 1961 |
[Considerations on the effectiveness of benzimidazile in combination with thiopropionate and with cobalt in the therapy of secondary anemias of childhood].
Topics: Anemia; Child; Chronic Disease; Cobalt; Humans; Infant; Propionates; Vitamin B 12 | 1960 |
Plasma disappearance rate and tissue distribution of radioactive cobalt labelled cyanocobalamin injected into various animals.
Topics: Animals; Biochemical Phenomena; Cobalt; Plasma; Radioactivity; Tissue Distribution; Vitamin B 12 | 1960 |
[Study of the hepatic release of vitamin B12 labeled by cobalt 60 in the course of experimental necrosis due to carbon tetrachloride].
Topics: Carbon Tetrachloride; Cobalt; Corrinoids; Liver Diseases; Necrosis; Vitamin B 12 | 1959 |
Distribution of radioactive and nonradioactive vitamin B12 in the dog.
Topics: Animals; Cobalt; Cobalt Radioisotopes; Corrinoids; Dogs; Vitamin B 12 | 1960 |
[Results of the treatment with cobalt chlorophyllin (erythrophyll) in some neurological and neuro-ophthalmological disorders. Comparison with vitamin B12].
Topics: Chlorophyll; Chlorophyllides; Cobalt; Eye Diseases; Hematinics; Humans; Neurology; Vitamin B 12 | 1960 |
[The clinical significance of the vitamin B12 resorption test with cobalt 58-marked vitamin B12].
Topics: Anemia; Anemia, Pernicious; Cobalt; Corrinoids; Hematinics; Humans; Vitamin B 12 | 1959 |
[Determination of radiocobalt-labeled B-12 in the urine, in the feces, and of hepatic storage Remarks on the method].
Topics: Body Fluids; Cobalt; Cobalt Radioisotopes; Feces; Liver; Radiometry; Vitamin B 12 | 1960 |
Calculations on vitamin B12 turnover in man. With a note on the maintenance treatment in pernicious anemia and the radiation dose received by patients ingesting radiovitamin B12.
Topics: Anemia; Anemia, Pernicious; Cobalt; Cobalt Radioisotopes; Eating; Humans; Male; Radiometry; Vitamin B 12 | 1959 |
The value of cobalt-60-B12 uptake in the diagnosis of pernicious anemia in a small hospital.
Topics: Anemia; Anemia, Pernicious; Biochemical Phenomena; Cobalt; Cobalt Radioisotopes; Humans; Vitamin B 12 | 1960 |
Self-degradation of [Co-60] vitamin B 12.
Topics: Cobalt; Cobalt Radioisotopes; Vitamin B 12 | 1960 |
Comparative counting efficiencies Co57 B12 and Co58 B12 for three counting systems using two detectors.
Topics: Cobalt; Cobalt Radioisotopes; Equipment and Supplies; Humans; Radioactivity; Radiometry; Vitamin B 12 | 1962 |
[Use of cobalt 58-labelled vitamin B12 in the diagnosis of pernicious anemia: the Schilling test].
Topics: Anemia; Anemia, Pernicious; Cobalt; Cobalt Radioisotopes; Corrinoids; Humans; Schilling Test; Vitamin B 12 | 1962 |
The urinary excretion of cobalt 57 cyanocobalamine in the presence of renal disease. (A preliminary report).
Topics: Cobalt; Cobalt Radioisotopes; Corrinoids; Hematinics; Humans; Kidney Diseases; Vitamin B 12 | 1962 |
The site of absorption of orally administered Co60-labelled vitamin B12 in dogs: the effect of dose.
Topics: Animals; Cobalt; Cobalt Radioisotopes; Dogs; Intestine, Small; Intestines; Radiopharmaceuticals; Vitamin B 12 | 1962 |
The plasma disappearance of intravenous cobalt-57 vitamin B12 in vitamin B12-deficiencies.
Topics: Anemia; Anemia, Pernicious; Cobalt; Corrinoids; Humans; Vitamin B 12; Vitamin B 12 Deficiency | 1962 |
[Studies on vitamin B12 metabolism with intravenously administered Co58-labelled vitamin B12].
Topics: Biochemical Phenomena; Cobalt; Cobalt Radioisotopes; Radioactivity; Radioisotopes; Vitamin B 12 | 1961 |
[Therapeutic trials with lysine plus oligo-elements in anemia].
Topics: Anemia; Cobalt; Copper; Corrinoids; Hematinics; Humans; Iron; Liver Extracts; Lysine; Vitamin B 12; Vitamin B Complex | 1962 |
Tissue uptake and urinary excretion of radioactive cobamide analogues and inorganic cobalt in growing female rabbits.
Topics: Animals; Cobalt; Cobalt Isotopes; Cobamides; Coenzymes; Hydroxocobalamin; Liver; Rabbits; Vitamin B 12 | 1962 |
[On the treatment of acute intermittent porphyria].
Topics: Chlorophyll; Cobalt; Hematinics; Humans; Iron; Porphyria, Acute Intermittent; Porphyrias; Vitamin B 12 | 1963 |
Pantothenic acid and vitamin B12 in the liver of sheep.
Topics: Animals; Cobalt; Corrinoids; Liver; Pantothenic Acid; Sheep; Sheep, Domestic; Vitamin B 12; Vitamin B Complex | 1963 |
Influence of cobalt on the synthesis of vitamin B12 in sewage during aerobic & anaerobic treatment.
Topics: Biochemical Phenomena; Cobalt; Corrinoids; Hematinics; Sewage; Vitamin B 12 | 1961 |
VITAMIN B12 BINDING CAPACITY OF SERUM IN B12 DEFICIENCY.
Topics: Autoradiography; Blood Chemical Analysis; Blood Protein Electrophoresis; Blood Proteins; Calcium Isotopes; Cobalt; Corrinoids; Humans; Vitamin B 12; Vitamin B 12 Deficiency | 1964 |
INFLUENCE OF COBALT ON PROPIONIBACTERIUM FREUDENREICHII.
Topics: Cobalt; Corrinoids; Culture Media; Leadership; Metabolism; Pharmacology; Propionibacterium; Research; Vitamin B 12 | 1964 |
A COBALT REQUIREMENT FOR NITROGEN FIXATION, HYDROGENASE, NITRITE AND HYDROXYLAMINE REDUCTASES IN CLOSTRIDIUM PASTEURIANUM.
Topics: Clostridium; Cobalt; Cobalt Isotopes; Corrinoids; Hydrogenase; Hydroxylamines; Metabolism; Nitrites; Nitrogen Fixation; Oxidoreductases; Research; Vitamin B 12 | 1964 |
[PROBLEMS OF THERAPY IN ANEMIA OF PRIMARY CHRONIC POLYARTHRITIS].
Topics: Anemia; Anemia, Hypochromic; Arthritis; Arthritis, Rheumatoid; Cobalt; Corrinoids; Iron; Vitamin B 12 | 1964 |
SYNTHESIS AND PROPERTIES OF SOME ANALOGUES OF THE CORRIN COENZYMES.
Topics: Aldehydes; Carbon Isotopes; Chemical Phenomena; Chemistry; Chromatography; Cobalt; Coenzymes; Corrinoids; Electrophoresis; Enterobacter aerogenes; Glycerol; Nucleosides; Vitamin B 12 | 1964 |
[METHOD FOR INDIRECT DETERMINATION OF VITAMIN B 12 IN VARIOUS PHARMACEUTICAL PREPARATIONS].
Topics: Carbon Isotopes; Chemistry, Pharmaceutical; Cobalt; Cyanides; Freeze Drying; Pharmacy; Research; Spectrophotometry; Vitamin B 12 | 1964 |
THE TISSUE DISTRIBUTION OF THE HAEMATOPOETICALLY ACTIVE AGENTS, CYANOCOBALAMIN (57B12) AND INORGANIC COBALT (60CO), IN THE RAT STUDIED BY AUTORADIOGRAPHY.
Topics: Adrenal Glands; Autoradiography; Cobalt; Eye; Hematopoiesis; Histocytochemistry; Kidney; Liver; Radiometry; Rats; Research; Thyroid Gland; Tissue Distribution; Vitamin B 12 | 1964 |
ROLE OF COBALT IN NITROGEN FIXATION BY AZOTOBACTER CHROCOCCUM.
Topics: Azotobacter; Cobalt; Corrinoids; Culture Media; Molybdenum; Nitrogen Fixation; Research; Vitamin B 12 | 1964 |
THE RELATIONSHIP OF COBALT REQUIREMENT TO PROPIONATE METABOLISM IN RHIZOBIUM.
Topics: Cobalt; Corrinoids; Fumarates; Glycine max; Isomerases; Ligases; Lipid Metabolism; Malates; Malonates; Metabolism; Oxidation-Reduction; Propionates; Research; Rhizobium; Succinates; Vitamin B 12 | 1964 |
[COBALT AND VITAMIN B12 METABOLISM. INTESTINAL SYNTHESIS OF GUANINE-COBAMIDE IN POULTRY].
Topics: Animals; Chromatography; Cobalt; Cobamides; Corrinoids; Guanine; Intestines; Metabolism; Poultry; Research; Spectrum Analysis; Vitamin B 12 | 1964 |
CHRONIC ERYTHROCYTIC HYPOPLASIA FOLLOWING PERNICIOUS ANEMIA.
Topics: Anemia; Anemia, Aplastic; Anemia, Pernicious; Blood Transfusion; Bone Marrow Examination; Clinical Laboratory Techniques; Cobalt; Drug Therapy; Erythrocytes; Humans; Hydroxocobalamin; Prednisone; Pyridoxine; Riboflavin; Testosterone; Vitamin B 12 | 1965 |
[TRIAL OF AN ANABOLIC AND HEMATOPOIETIC PREPARATION IN A PNEUMO-PHTHISIOLOGY DEPARTMENT].
Topics: Appetite; Body Weight; Cobalt; Copper; Corrinoids; Drug Synergism; Drug Therapy; Geriatrics; Hematopoiesis; Humans; Iron; Liver Extracts; Lung Neoplasms; Lysine; Manganese; Tissue Extracts; Tuberculosis; Tuberculosis, Pulmonary; Vitamin B 12; Vitamin B Complex | 1964 |
THE EFFECT OF A LOW-COBALT DIET IN RABBITS.
Topics: Animals; Biological Assay; Blood Cell Count; Blood Chemical Analysis; Body Weight; Chemical Phenomena; Chemistry; Cobalt; Diet; Feces; Hemoglobinometry; Humans; Kidney; Liver; Pharmacology; Rabbits; Research; Vitamin B 12; Vitamin B 12 Deficiency | 1965 |
[EFFECTS OF DEPRIVATION OF PROTEIN OR OF CERTAIN ESSENTIAL AMINO ACIDS ON METABOLISM OF COBALT-60 VITAMIN B12 AND STABLE CYANOCABALMINE IN THE MALE RAT].
Topics: Amino Acids, Essential; Cobalt; Corrinoids; Protein Deficiency; Rats; Research; Vitamin B 12 | 1965 |
[METABOLIC BEHAVIOR OF INORGANIC COBALT AND OF VITAMIN B-12 AS WELL AS VITAMIN B-12 COENZYME STRUCTURE OF ORGANICALLY BOUND COBALT IN MAMMALS].
Topics: Animals; Cobalt; Cobalt Isotopes; Cobamides; Coenzymes; Corrinoids; Mammals; Metabolism; Research; Vitamin B 12; Vitamins | 1964 |
[Cobalt and action of vitamin B12].
Topics: Cobalt; Corrinoids; Hematinics; Humans; Vitamin B 12 | 1954 |
[Synthesis of vitamin B12 in sheep following administration of cobalt and calcium in biochemical areas poor in cobalt].
Topics: Animals; Biochemical Phenomena; Calcium; Calcium, Dietary; Cobalt; Corrinoids; Sheep; Sheep, Domestic; Vitamin B 12 | 1955 |
The urinary excretion of labelled vitamin B12.
Topics: Cobalt; Cobalt Radioisotopes; Humans; Urine; Vitamin B 12 | 1955 |
Assay of intrinsic factor preparations: comparison of the hepatic uptake of radioactive Co60-B12 with the hematopoietic response in pernicious anemia.
Topics: Anemia; Anemia, Pernicious; Cobalt; Cobalt Radioisotopes; Gastric Juice; Hematopoietic System; Intrinsic Factor; Liver; Vitamin B 12 | 1955 |
The plasma disappearance of intravenously administered cobalt 58 vitamin B12.
Topics: Cobalt; Plasma; Radiopharmaceuticals; Vitamin B 12 | 1960 |
Effect of cobaltic oxide pellets on the vitamin B12 content of ewe's milk.
Topics: Animals; Cobalt; Diet; Female; Milk; Nutrition Assessment; Nutritional Status; Oxides; Sheep; Vitamin B 12; Vitamin B Complex | 1959 |
Body distribution, turnover rate, and radiation dose after the parenteral administration of radio-vitamin B12.
Topics: Biochemical Phenomena; Cobalt; Cobalt Radioisotopes; Corrinoids; Hematinics; Radioactivity; Vitamin B 12 | 1959 |
Effect of cobalt deficiency on the B12 coenzyme content of Rhizobium meliloti.
Topics: Cobalt; Cobamides; Coenzymes; Humans; Rhizobium; Sinorhizobium meliloti; Vitamin B 12 | 1962 |
Clinical applications of whole body scintillometry. VI. Determination of cobalt 60 vitamin B12 absorption and retention.
Topics: Cobalt; Cobalt Radioisotopes; Humans; Radiometry; Vitamin B 12 | 1961 |
Vitamin-B12 metabolism in man using cobalt 58 (58Co) as a tracer.
Topics: Cobalt; Cobalt Radioisotopes; Humans; Male; Radiometry; Vitamin B 12; Vitamins | 1962 |
The influence of Diphyllobothrium latum on the complex formed between the vitamin B12 binding principle in human gastric juice and 60Co-B 12.
Topics: Animals; Biochemical Phenomena; Cobalt; Cobalt Radioisotopes; Diphyllobothrium; Gastric Juice; Humans; Radioactivity; Vitamin B 12 | 1961 |
Co-C bond dissociation energy and reaction volume change of 2',5'-dideoxyadenosylcobalamin studied by laser-induced time-resolved photoacoustic calorimetry.
Topics: Calorimetry; Carbon; Cobalt; Thermodynamics; Vitamin B 12 | 2003 |
Identification and characterization of the nickel uptake system for urease biogenesis in Streptococcus salivarius 57.I.
Topics: Cloning, Molecular; Cobalt; Culture Media; Enzyme Activation; Gene Expression Regulation, Bacterial; Gene Expression Regulation, Enzymologic; Hydrogen-Ion Concentration; Membrane Transport Proteins; Molecular Sequence Data; Multigene Family; Nickel; Open Reading Frames; Operon; RNA, Bacterial; RNA, Messenger; Streptococcus; Urease; Vitamin B 12 | 2003 |
A facile spectrophotometric method for cobalt determination using alpha-benzilmonoxime in sodium dodecylsulfate micellar solutions.
Topics: Alloys; Benzyl Compounds; Cobalt; Hydrogen-Ion Concentration; Indicators and Reagents; Oximes; Reproducibility of Results; Sodium Dodecyl Sulfate; Spectrophotometry; Vitamin B 12 | 2003 |
Influence of dietary cobalt source and concentration on performance, vitamin B12 status, and ruminal and plasma metabolites in growing and finishing steers.
Topics: Animals; Biological Availability; Cattle; Cobalt; Dose-Response Relationship, Drug; Male; Nutritional Requirements; Nutritional Status; Rumen; Vitamin B 12; Weight Gain | 2003 |
Preparation and electrochemical behaviour of hydrophobic vitamin B(12) covalently immobilized onto platinum electrode.
Topics: Cobalt; Electrochemistry; Electrodes; Hydrophobic and Hydrophilic Interactions; Molecular Structure; Platinum; Vitamin B 12 | 2004 |
The role of the conserved histidine-aspartate pair in the 'base-off' binding of cobalamins.
Topics: Aspartic Acid; Carbon; Clostridium; Cobalt; Histidine; Intramolecular Transferases; Molecular Structure; Mutation; Protein Binding; Spectrum Analysis; Vitamin B 12 | 2004 |
Vitamin B12: the identification of vitamin B12 as a cyano-cobalt coordination complex.
Topics: Cobalt; Corrinoids; Vitamin B 12 | 1950 |
Cobalt 60 labeled vitamin B12 of high specific activity.
Topics: Cobalt; Cobalt Radioisotopes; Corrinoids; Radioactivity; Radioisotopes; Vitamin B 12 | 1951 |
The influence of dietary cobalt upon the vitamin B12 content of ewe's milk.
Topics: Animals; Breast; Cobalt; Female; Milk; Sheep; Vitamin B 12 | 1951 |
The response of cobalt-deficient lambs to liver extract and vitamin B12.
Topics: Animals; Cobalt; Liver; Liver Extracts; Sheep; Sheep, Domestic; Vitamin B 12 | 1951 |
Content of radioactive vitamin B12 in the feces of rats fed Co60 and aureomycin.
Topics: Animals; Chlortetracycline; Cobalt; Cobalt Radioisotopes; Corrinoids; Feces; Hematinics; Radioactivity; Rats; Vitamin B 12 | 1951 |
[Polarographic determination of cobalt and vitamin B12 in biologic material].
Topics: Biological Products; Cobalt; Corrinoids; Hematinics; Polarography; Vitamin B 12 | 1951 |
[Studies on metabolic processes of cell nuclei. 4. Vitamin B12 and cobalt in cell nuclei].
Topics: Cell Nucleus; Cells; Cobalt; Corrinoids; Diploidy; Hematinics; Vitamin B 12 | 1951 |
The distribution of radioactivity in the organs of the fetus or of young rats born by mothers injected with vitamin B12 containing Co60.
Topics: Animals; Biochemical Phenomena; Cobalt; Cobalt Radioisotopes; Fetus; Mothers; Radioactivity; Rats; Vitamin B 12 | 1951 |
Vitamin B12 and the production of polycythemia by cobalt.
Topics: Cobalt; Polycythemia; Vitamin B 12 | 1951 |
Structure and stability or some cobalamins.
Topics: Cobalt; Hematinics; Vitamin B 12 | 1952 |
Vitamin B12 biosynthesis after oral and intravenous administration of inorganic Co60 to sheep.
Topics: Administration, Intravenous; Animals; Biochemical Phenomena; Cobalt; Cobalt Radioisotopes; Sheep; Sheep, Domestic; Vitamin B 12 | 1952 |
The effects of cobalt, liver extract and vitamin B12 on the anemia induced by hypophysectomy in adult female rats.
Topics: Anemia; Animals; Cobalt; Female; Hematinics; Hypophysectomy; Liver; Liver Extracts; Rats; Vitamin B 12 | 1952 |
NO binding to cobalamin: influence of the metal oxidation state.
Topics: Binding Sites; Cobalt; Models, Chemical; Molecular Conformation; Molecular Structure; Nitric Oxide; Oxidation-Reduction; Thermodynamics; Vitamin B 12 | 2004 |
Vitamin B12 as an allosteric cofactor; dual fluorescence, hysteresis, oscillations and the selection of corrin over porphyrin.
Topics: Allosteric Regulation; Cobalt; Corrinoids; Fluorescence; Oxidation-Reduction; Porphyrins; Spectrometry, Fluorescence; Stereoisomerism; Vitamin B 12 | 2004 |
Hydrophobic vitamin B12. Part 19: electroorganic reaction of DDT mediated by hydrophobic vitamin B12.
Topics: Catalysis; Cobalt; DDT; Electrolysis; Hydrophobic and Hydrophilic Interactions; Insecticides; Soil Pollutants; Vitamin B 12 | 2004 |
Spectroscopic and computational studies of Co2+corrinoids: spectral and electronic properties of the biologically relevant base-on and base-off forms of Co2+cobalamin.
Topics: Circular Dichroism; Cobalt; Corrinoids; Electron Spin Resonance Spectroscopy; Models, Chemical; Organometallic Compounds; Spectrum Analysis, Raman; Vitamin B 12 | 2004 |
Don't have a cow! Fight global warming with CFC.
Topics: Animals; Cattle; Chlorofluorocarbons; Chlorofluorocarbons, Methane; Cobalt; Gastric Mucosa; Greenhouse Effect; Methane; Stomach; Vitamin B 12 | 2004 |
Comparison of the dietary cobalt intake in three different Australian diets.
Topics: Adult; Analysis of Variance; Australia; Cobalt; Diet; Diet Records; Diet Surveys; Diet, Vegetarian; Female; Food Analysis; Humans; Male; Mental Recall; Vitamin B 12; Vitamin B 12 Deficiency | 2004 |
The profound influence of a single metal-carbon bond on the reactivity of bio-relevant cobalt(III) complexes.
Topics: Cobalt; Kinetics; Models, Chemical; Molecular Structure; Organometallic Compounds; Vitamin B 12 | 2004 |
Biosynthesis of radioactive vitamin B12 containing cobalt 60.
Topics: Cobalt; Cobalt Radioisotopes; Corrinoids; Radioactivity; Radioisotopes; Vitamin B 12 | 1950 |
The effect of cobalt on the synthesis of vitamin B12 in the rumen of sheep.
Topics: Animals; Cobalt; Hematinics; Rumen; Sheep; Sheep, Domestic; Veterinary Medicine; Vitamin B 12 | 1950 |
Structure-energy relations in methylcobalamin with and without bound axial base.
Topics: Chemical Phenomena; Chemistry, Physical; Cobalt; Ligands; Molecular Structure; Structure-Activity Relationship; Thermodynamics; Vitamin B 12 | 2004 |
Studies on the formation of glutathionylcobalamin: any free intracellular aquacobalamin is likely to be rapidly and irreversibly converted to glutathionylcobalamin.
Topics: Cobalt; Glutathione; Hydrogen-Ion Concentration; Kinetics; Molecular Structure; Thermodynamics; Vitamin B 12 | 2004 |
Determination of cobalt in pharmaceutical products.
Topics: Cobalt; Pharmaceutical Preparations; Vitamin B 12 | 2004 |
Theoretical investigations into the intermediacy of chlorinated vinylcobalamins in the reductive dehalogenation of chlorinated ethylenes.
Topics: Cobalt; Electrochemistry; Ethylenes; Free Radicals; Hydrocarbons, Chlorinated; Models, Molecular; Oxidation-Reduction; Thermodynamics; Vinyl Compounds; Vitamin B 12 | 2005 |
Properties and reactivity of chlorovinylcobalamin and vinylcobalamin and their implications for vitamin B12-catalyzed reductive dechlorination of chlorinated alkenes.
Topics: Alkenes; Catalysis; Cobalt; Electrochemistry; Hydrocarbons, Chlorinated; Models, Molecular; Photolysis; Spectrophotometry; Tetrachloroethylene; Trichloroethylene; Vinyl Compounds; Vitamin B 12 | 2005 |
Probing the nature of the Co(III) ion in cobalamins: a comparison of the reaction of aquacobalamin (vitamin B12a) and aqua-10-chlorocobalamin with some anionic and N-donor ligands.
Topics: Anions; Cobalt; Ligands; Nitrogen; Vitamin B 12 | 2005 |
Characterization of a succinyl-CoA radical-cob(II)alamin spin triplet intermediate in the reaction catalyzed by adenosylcobalamin-dependent methylmalonyl-CoA mutase.
Topics: Acyl Coenzyme A; Bacterial Proteins; Binding Sites; Carbon Isotopes; Catalysis; Cobalt; Cobamides; Coenzyme A Ligases; Deuterium; Electron Spin Resonance Spectroscopy; Free Radicals; Methylmalonyl-CoA Mutase; Models, Molecular; Spin Labels; Substrate Specificity; Vitamin B 12 | 2005 |
Role of protonation and of axial ligands in the reductive dechlorination of alkyl chlorides by vitamin B12 complexes. Reductive cleavage of chloroacetonitrile by Co(I) cobalamins and cobinamides.
Topics: Acetonitriles; Catalysis; Cobalt; Cobamides; Dimethylformamide; Environmental Pollutants; Hydrocarbons, Chlorinated; Ligands; Organometallic Compounds; Oxidation-Reduction; Protons; Vitamin B 12 | 2005 |
Veratrol-O-demethylase of Acetobacterium dehalogenans: ATP-dependent reduction of the corrinoid protein.
Topics: Acetobacterium; Adenosine Triphosphate; Anisoles; Citric Acid; Cobalt; Methyltransferases; Oxidation-Reduction; Vitamin B 12 | 2005 |
Cobalt deficiency in sheep and diagnostic reference ranges.
Topics: Animals; Cobalt; Confounding Factors, Epidemiologic; Reference Values; Sheep; Sheep Diseases; Vitamin B 12 | 2005 |
Structural characterization of novel cobalt corrinoids synthesized by enzymes of the vitamin B12 anaerobic pathway.
Topics: Anaerobiosis; Cobalt; Corrinoids; Magnetic Resonance Spectroscopy; Molecular Structure; Recombinant Proteins; Salmonella typhimurium; Vitamin B 12 | 2006 |
Co-C bond activation in methylmalonyl-CoA mutase by stabilization of the post-homolysis product Co2+ cobalamin.
Topics: Binding Sites; Carbon; Circular Dichroism; Cobalt; Enzyme Activation; Hydrogen Bonding; Methylmalonyl-CoA Mutase; Molecular Structure; Vitamin B 12 | 2005 |
Luminescence properties of metal(II)-diethyldithiocarbamate chelate complex particles and its analytical application.
Topics: Cations, Divalent; Chelating Agents; Cobalt; Ditiocarb; Fluorescence; Metals, Heavy; Nanostructures; Sensitivity and Specificity; Solutions; Spectrometry, Fluorescence; Vitamin B 12 | 2005 |
Analysis of corrinoids in ovine tissues.
Topics: Animals; Chromatography, High Pressure Liquid; Cobalt; Cobamides; Corrinoids; Feces; Female; Gastrointestinal Contents; Humans; Hydroxocobalamin; Intestine, Small; Liver; Radioisotope Dilution Technique; Sheep; Vitamin B 12 | 2006 |
Electroreduction of a series of alkylcobalamins: mechanism of stepwise reductive cleavage of the Co-C bond.
Topics: Cobalt; Computer Simulation; Electrochemistry; Oxidation-Reduction; Thermodynamics; Vitamin B 12 | 2006 |
Influence of cobalt concentration on vitamin B12 production and fermentation of mixed ruminal microorganisms grown in continuous culture flow-through fermentors.
Topics: Ammonia; Animal Feed; Animals; Cattle; Cobalt; Culture Techniques; Fatty Acids, Volatile; Female; Fermentation; Hydrogen-Ion Concentration; Methane; Rumen; Succinic Acid; Vitamin B 12 | 2006 |
The influence of an increased cobalt supply to dairy cows on the vitamin B status of their calves.
Topics: Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Animals, Newborn; Cattle; Cobalt; Colostrum; Dietary Supplements; Female; Lactation; Milk; Nutritional Requirements; Nutritional Status; Pregnancy; Trace Elements; Vitamin B 12 | 2006 |
Effect of ingestion of soil on the iodine, copper, cobalt (vitamin B12) and selenium status of grazing sheep.
Topics: Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Cobalt; Copper; Iodine; Liver; Male; Nutritional Status; Random Allocation; Selenium; Sheep; Soil; Vitamin B 12 | 2006 |
Mechanistic analysis of reductive nitrosylation on water-soluble cobalt(III)-porphyrins.
Topics: Cobalt; Electron Transport; Hydrogen-Ion Concentration; Kinetics; Metalloporphyrins; Nitric Oxide; Nitrites; Solubility; Spectrophotometry, Ultraviolet; Vitamin B 12; Water | 2006 |
Carbon-cobalt bond distance and bond cleavage in one-electron reduced methylcobalamin: a failure of the conventional DFT method.
Topics: Carbon; Cobalt; Electrons; Models, Chemical; Molecular Structure; Vitamin B 12 | 2006 |
Decrease of trace elements in erythrocytes and plasma after removal of dental amalgam and other metal alloys.
Topics: Adult; Aged; Chemistry Techniques, Analytical; Cobalt; Dental Alloys; Dental Amalgam; Erythrocytes; Female; Humans; Magnesium; Male; Mass Spectrometry; Middle Aged; Plasma; Trace Elements; Vitamin B 12; Zinc | 2006 |
Novel approaches to the experimental charge density of vitamin B12.
Topics: Cobalt; Crystallography, X-Ray; Electrochemistry; Electrons; Indicators and Reagents; Models, Molecular; Vitamin B 12 | 2007 |
Effect of cobalt supplementation during late gestation and early lactation on milk and serum measures.
Topics: Animal Feed; Animals; Blood Chemical Analysis; Body Weight; Cattle; Cobalt; Colostrum; Dietary Supplements; Eating; Female; Lactation; Liver; Milk; Pregnancy; Time Factors; Vitamin B 12 | 2007 |
Effects of cobalt/vitamin B12 status in ewes on ovum development and lamb viability at birth.
Topics: Animals; Animals, Newborn; Behavior, Animal; Body Weight; Cobalt; Diet; Embryo Transfer; Female; Fertility; Ovum; Parturition; Pregnancy; Sheep, Domestic; Superovulation; Vitamin B 12; Vitamin B 12 Deficiency | 2007 |
Enhanced reactivity of hydrophobic vitamin B12 towards the dechlorination of DDT in ionic liquid.
Topics: Catalysis; Chlorine; Cobalt; Hydrophobic and Hydrophilic Interactions; Ionic Liquids; Molecular Structure; Trichloroethanes; Vitamin B 12 | 2007 |
Nitroxylcob(III)alamin: synthesis and X-ray structural characterization.
Topics: Cobalt; Crystallography, X-Ray; Metalloporphyrins; Models, Molecular; Molecular Structure; Nitrogen; Oxygen; Spectrum Analysis; Vitamin B 12 | 2007 |
Reductive cleavage mechanism of methylcobalamin: elementary steps of Co-C bond breaking.
Topics: Carbon; Catalysis; Cobalt; Kinetics; Oxidation-Reduction; Thermodynamics; Vitamin B 12 | 2007 |
Influence of different dietary levels of zinc on performance, vitamin B12, and blood parameters in lambs.
Topics: Animal Feed; Animals; Blood Glucose; Body Weight; Cobalt; Diet; Dietary Supplements; Dose-Response Relationship, Drug; Folic Acid; Homocysteine; Methylmalonic Acid; Rumen; Sheep; Vitamin B 12; Zinc | 2006 |
Vitamin B12 and Cobalt Deficiency in Sheep.
Topics: Animals; Cobalt; Corrinoids; Sheep; Sheep, Domestic; Vitamin B 12 | 1949 |
Vitamin B12, A Cobalt Complex.
Topics: Cobalt; Corrinoids; Vitamin B 12; Vitamins | 1948 |
Structural Investigation of bis(4-methyl-1-piperazineglyoximato)dipyridinato cobalt(III) chloro dinitrate trihydrate.
Topics: Cobalt; Crystallography, X-Ray; Glyoxylates; Models, Molecular; Molecular Conformation; Piperazines; Pyridines; Vitamin B 12 | 2005 |
Cellular uptake quantification of metalated peptide and peptide nucleic acid bioconjugates by atomic absorption spectroscopy.
Topics: Cell Nucleus; Cobalt; Crystallography, X-Ray; HT29 Cells; Humans; Models, Molecular; Molecular Structure; Organometallic Compounds; Peptide Nucleic Acids; Peptides; Spectrophotometry, Atomic; Vitamin B 12 | 2008 |
Identification, characterization, and structure/function analysis of a corrin reductase involved in adenosylcobalamin biosynthesis.
Topics: Brucella melitensis; Cloning, Molecular; Cobalt; Cobamides; Corrinoids; Crystallography, X-Ray; Electron Spin Resonance Spectroscopy; Ions; Kinetics; Models, Chemical; Molecular Conformation; Oxidoreductases; Structure-Activity Relationship; Thermodynamics; Vitamin B 12 | 2008 |
Cobalt limitation of growth and mercury methylation in sulfate-reducing bacteria.
Topics: Cobalt; Mercury; Methylation; Methylmercury Compounds; Sulfates; Sulfides; Sulfur-Reducing Bacteria; Vitamin B 12 | 2008 |
Cobalt supplied per os reduces the mammary Delta9-desaturase index of bovine milk.
Topics: Animals; Biomarkers; Cattle; Cobalt; Female; Mammary Glands, Animal; Milk; Random Allocation; Stearoyl-CoA Desaturase; Vitamin B 12 | 2008 |
The influence of an increased cobalt supply on ruminal parameters and microbial vitamin B12 synthesis in the rumen of dairy cows.
Topics: Ammonia; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Cattle; Cobalt; Dose-Response Relationship, Drug; Female; Hydrogen-Ion Concentration; Rumen; Vitamin B 12 | 2008 |
Reaction of the Co(II)-substrate radical pair catalytic intermediate in coenzyme B12-dependent ethanolamine ammonia-lyase in frozen aqueous solution from 190 to 217 K.
Topics: Biocatalysis; Cobalt; Cobamides; Electron Spin Resonance Spectroscopy; Ethanolamine Ammonia-Lyase; Free Radicals; Freezing; Kinetics; Salmonella typhimurium; Solutions; Temperature; Time Factors; Vitamin B 12; Water | 2008 |
Spectroscopic study of the cobalamin-dependent methionine synthase in the activation conformation: effects of the Y1139 residue and S-adenosylmethionine on the B12 cofactor.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Circular Dichroism; Cobalt; Crystallography, X-Ray; Electron Spin Resonance Spectroscopy; Enzyme Activation; Models, Molecular; Protein Structure, Tertiary; S-Adenosylmethionine; Tyrosine; Vitamin B 12 | 2008 |
Time-dependent density functional theory study of cobalt corrinoids: Electronically excited states of methylcobalamin.
Topics: Cobalt; Corrinoids; Electrons; Histidine; Hydrogen-Ion Concentration; Models, Chemical; Molecular Structure; Photochemistry; Reproducibility of Results; Software; Spectrophotometry; Spectrophotometry, Ultraviolet; Temperature; Vitamin B 12; Water | 2008 |
Effect of cobalt and vitamin B12 on the production of salinosporamides by Salinispora tropica.
Topics: Actinomycetales; Chromatography, High Pressure Liquid; Cobalt; Culture Media; Fermentation; Lactams; Lactones; Molecular Conformation; Pyrroles; Vitamin B 12 | 2009 |
Comparative genomic analyses of nickel, cobalt and vitamin B12 utilization.
Topics: Amino Acid Sequence; Animals; Cobalt; Comparative Genomic Hybridization; Deltaproteobacteria; Evolution, Molecular; Fungi; Methanosarcina; Molecular Sequence Data; Multigene Family; Nickel; Phylogeny; Plants; Sequence Alignment; Vitamin B 12 | 2009 |
Mechanistic behaviour of alkylcobaloximes and imino-oxime complexes related to vitamin B(12).
Topics: Cobalt; Computer Simulation; Imidazoles; Kinetics; Ligands; Models, Chemical; Organometallic Compounds; Oximes; Quantum Theory; Vitamin B 12 | 2009 |
Photodissociation of Co-C bond in methyl- and ethylcobalamin: an insight from TD-DFT calculations.
Topics: Absorption; Carbon; Cobalt; Electrons; Models, Chemical; Photolysis; Quantum Theory; Time Factors; Vitamin B 12 | 2009 |
Aura of corroles.
Topics: Catalysis; Cobalt; Crystallography, X-Ray; Fluorescent Dyes; Metalloporphyrins; Molecular Structure; Porphyrins; Spectrum Analysis; Vitamin B 12 | 2009 |
Insights into the reactivation of cobalamin-dependent methionine synthase.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Amino Acid Substitution; Catalytic Domain; Cobalt; Enzyme Activation; Escherichia coli; Models, Biological; Models, Molecular; Mutation; Oxidation-Reduction; Protein Structure, Secondary; S-Adenosylhomocysteine; Spectrum Analysis; Vitamin B 12 | 2009 |
Mechanistic studies on the reaction between R2N-NONOates and aquacobalamin: evidence for direct transfer of a nitroxyl group from R2N-NONOates to cobalt(III) centers.
Topics: Alkenes; Catalysis; Cobalt; Hydrazines; Kinetics; Magnetic Resonance Spectroscopy; Nitric Oxide Donors; Nitrogen Oxides; Nitroso Compounds; Spectrophotometry, Ultraviolet; Vitamin B 12 | 2009 |
Vitamin B(12) model complex catalyzed methyl transfer reaction to alkylthiol under electrochemical conditions with sacrificial electrode.
Topics: Benzenesulfonates; Catalysis; Cobalt; Electrodes; Methylation; Oxidation-Reduction; Sulfhydryl Compounds; Vitamin B 12; Zinc | 2009 |
Dihydroflavin-driven adenosylation of 4-coordinate Co(II) corrinoids: are cobalamin reductases enzymes or electron transfer proteins?
Topics: Adenosine; Alkyl and Aryl Transferases; Bacterial Proteins; Carbon; Catalytic Domain; Cloning, Molecular; Cobalt; Corrinoids; Dose-Response Relationship, Drug; Electrons; Flavins; Humans; Kinetics; Oxidation-Reduction; Thermodynamics; Vitamin B 12 | 2010 |
Effect of vitamin B12 pulse addition on the performance of cobalt deprived anaerobic granular sludge bioreactors.
Topics: Biodegradation, Environmental; Biomass; Bioreactors; Cobalt; Methane; Methanol; Micronutrients; Sewage; Trace Elements; Vitamin B 12; Water Pollutants, Chemical; Water Purification | 2010 |
Vitamin B₁₂ as a carrier for targeted platinum delivery: in vitro cytotoxicity and mechanistic studies.
Topics: Antineoplastic Agents; Cell Line, Tumor; Cell Proliferation; Cobalt; Dose-Response Relationship, Drug; Drug Carriers; Drug Delivery Systems; Drug Screening Assays, Antitumor; Humans; Molecular Conformation; Organoplatinum Compounds; Platinum; Stereoisomerism; Structure-Activity Relationship; Vitamin B 12 | 2011 |
Reductive cleavage mechanism of Co-C bond in cobalamin-dependent methionine synthase.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Carbon; Cobalt; Electron Transport; Homocysteine; Quantum Theory; Vitamin B 12 | 2010 |
Redetermination of the X-ray structure of nitroxylcobalamin: base-on nitroxylcobalamin exhibits a remarkably long Co-N(dimethylbenzimidazole) bond distance.
Topics: Benzimidazoles; Cobalt; Nitrogen; Nitrogen Oxides; Organometallic Compounds; Scattering, Small Angle; Vitamin B 12; X-Ray Diffraction | 2010 |
Trifluoracetic acid-assisted crystallization of vitamin B12 results in protonation of the phosphate group of the nucleotide loop: insight into the influence of crystal packing forces on vitamin B12 structures.
Topics: Cobalt; Corrinoids; Crystallization; Crystallography, X-Ray; Drug Delivery Systems; Hydrogen Bonding; Models, Molecular; Molecular Conformation; Nucleotides; Phosphates; Protons; Trifluoroacetic Acid; Vitamin B 12 | 2011 |
Evolution in a family of chelatases facilitated by the introduction of active site asymmetry and protein oligomerization.
Topics: Archaeoglobus fulgidus; Catalytic Domain; Cobalt; Crystallization; Desulfovibrio vulgaris; Evolution, Molecular; Ferrochelatase; Models, Molecular; Multigene Family; Porphyrins; Salmonella enterica; Uroporphyrins; Vitamin B 12 | 2011 |
Vitamin B₁₂ biosynthesis gene diversity in the Ross Sea: the identification of a new group of putative polar B₁₂ biosynthesizers.
Topics: Amino Acid Sequence; Antarctic Regions; Bacteria; Bacterial Proteins; Cobalt; DNA Probes; DNA, Bacterial; Gene Library; Mass Spectrometry; Metagenome; Molecular Sequence Data; Phylogeny; Phytoplankton; RNA, Ribosomal, 16S; Seawater; Sequence Alignment; Sequence Analysis, DNA; Transaminases; Vitamin B 12 | 2011 |
Spectrophotometric determination of cobalt(II) and cyanocobalamin with vanillilfluorone and its applications.
Topics: Benzalkonium Compounds; Benzoquinones; Cobalt; Hydrogen-Ion Concentration; Spectrophotometry; Surface-Active Agents; Vitamin B 12 | 2011 |
An ABC-type cobalt transport system is essential for growth of Sinorhizobium meliloti at trace metal concentrations.
Topics: Bacterial Proteins; Base Sequence; Cobalt; Gene Expression Regulation, Bacterial; Genes, Bacterial; Medicago sativa; Molecular Sequence Data; Multigene Family; Mutagenesis, Insertional; Mutation; Nitrogen Fixation; Oligonucleotide Array Sequence Analysis; Phenotype; Riboswitch; Sinorhizobium meliloti; Symbiosis; Transcription, Genetic; Vitamin B 12 | 2011 |
A biologically relevant Co1+···H bond: possible implications in the protein-induced redox tuning of Co2+/Co1+ reduction.
Topics: Alkyl and Aryl Transferases; Cobalt; Hydrogen Bonding; Models, Molecular; Oxidation-Reduction; Vitamin B 12 | 2011 |
Which DFT functional performs well in the calculation of methylcobalamin? Comparison of the B3LYP and BP86 functionals and evaluation of the impact of empirical dispersion correction.
Topics: Carbon; Chemistry, Physical; Cobalt; Electrons; Models, Chemical; Models, Molecular; Quantum Theory; Thermodynamics; Vitamin B 12 | 2011 |
Determination Co2+ in vitamin B12 based on enhancement of 2-(4-substituted-phenyl)-4,5-di(2-furyl) imidazole and H2O2 chemiluminescence reaction.
Topics: Chemistry; Cobalt; Dose-Response Relationship, Drug; Equipment Design; Hydrogen Peroxide; Imidazoles; Ions; Luminescence; Magnetic Resonance Spectroscopy; Models, Chemical; Nitrophenols; Spectrophotometry; Vitamin B 12 | 2011 |
Rapid determination of vitamin B12 concentration with a chemiluminescence lab on a chip.
Topics: Animals; Chickens; Cobalt; Egg Yolk; Hydrogen Peroxide; Ions; Lab-On-A-Chip Devices; Luminescent Measurements; Luminol; Microfluidic Analytical Techniques; Vitamin B 12 | 2012 |
Co2+/Co+ redox tuning in methyltransferases induced by a conformational change at the axial ligand.
Topics: Catalysis; Cations; Cobalt; Ligands; Methyltransferases; Models, Molecular; Oxidation-Reduction; Quantum Theory; Thermodynamics; Vitamin B 12 | 2012 |
Selected vitamins and essential elements in meat from semi-domesticated reindeer (Rangifer tarandus tarandus L.) in mid- and northern Norway: geographical variations and effect of animal population density.
Topics: Animals; Calcium, Dietary; Chromium; Cobalt; Female; Iron, Dietary; Male; Meat; Norway; Population Density; Regression Analysis; Reindeer; Selenium; Trace Elements; Vitamin B 12; Vitamins; Zinc | 2012 |
Characterization of the enzyme CbiH60 involved in anaerobic ring contraction of the cobalamin (vitamin B12) biosynthetic pathway.
Topics: Bacillus megaterium; Biosynthetic Pathways; Catalysis; Cloning, Molecular; Cobalt; Cobamides; Dithiothreitol; Electron Spin Resonance Spectroscopy; Gene Expression Regulation, Enzymologic; Iron-Sulfur Proteins; Magnetic Resonance Spectroscopy; Mass Spectrometry; Models, Chemical; Models, Molecular; Molecular Conformation; Mutagenesis; Mutagenesis, Site-Directed; Oxygen; Recombinant Proteins; Solubility; Vitamin B 12 | 2013 |
Effects of cobalt supplementation and vitamin B12 injections on lactation performance and metabolism of Holstein dairy cows.
Topics: 3-Hydroxybutyric Acid; Animals; Blood Glucose; Cattle; Cobalt; Dietary Supplements; Energy Metabolism; Fatty Acids, Nonesterified; Female; Injections, Intramuscular; Lactation; Parity; Vitamin B 12 | 2013 |
Synthesis, characterization, Co-S bond reactivity of a vitamin B12 model complex having pentafluorophenylthiolate as an axial ligand.
Topics: Catalysis; Chemistry Techniques, Synthetic; Cobalt; Hydrocarbons, Fluorinated; Ligands; Oxidation-Reduction; Sulfur; Vitamin B 12 | 2013 |
Combined spectroscopic and computational analysis of the vibrational properties of vitamin B12 in its Co3+, Co2+, and Co1+ oxidation states.
Topics: Cobalt; Molecular Conformation; Oxidation-Reduction; Quantum Theory; Spectrum Analysis, Raman; Vibration; Vitamin B 12 | 2013 |
Exploring novel modified vitamin B12 as a drug carrier: forecast from density functional theory modeling.
Topics: Cisplatin; Cobalt; Coordination Complexes; Drug Carriers; Ethylenediamines; Imidazoles; Ligands; Models, Theoretical; Pyrazines; Vitamin B 12 | 2013 |
Towards a cell factory for vitamin B12 production in Bacillus megaterium: bypassing of the cobalamin riboswitch control elements.
Topics: Bacillus megaterium; Cobalt; Vitamin B 12 | 2014 |
Vitamin B12 derivatives for orthogonal functionalization.
Topics: Alkynes; Cobalt; Cycloaddition Reaction; Drug Carriers; Molecular Structure; Vitamin B 12 | 2014 |
Organo-modified layered double hydroxide-catalyzed Fenton-like ultra-weak chemiluminescence for specific sensing of vitamin B₁₂ in egg yolks.
Topics: Aluminum; Animals; Benzenesulfonates; Cobalt; Colloids; Egg Yolk; Food Analysis; Hydrogen Peroxide; Hydroxides; Hydroxyl Radical; Ions; Iron; L-Lactate Dehydrogenase; Luminol; Magnesium; Mass Spectrometry; Metals; Microscopy, Electron, Scanning; Vitamin B 12; X-Ray Diffraction | 2014 |
Co(II)/Co(I) reduction-induced axial histidine-flipping in myoglobin reconstituted with a cobalt tetradehydrocorrin as a methionine synthase model.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Animals; Apoproteins; Cobalt; Crystallography, X-Ray; Escherichia coli; Histidine; Horses; Models, Molecular; Myoglobin; Oxidation-Reduction; Vitamin B 12 | 2014 |
Excited state electron transfer after visible light absorption by the Co(I) state of vitamin B12.
Topics: Cobalt; Electron Transport; Light; Quantum Theory; Vitamin B 12 | 2014 |
Reductive dehalogenase structure suggests a mechanism for B12-dependent dehalogenation.
Topics: Biocatalysis; Cobalt; Crystallography, X-Ray; Electron Spin Resonance Spectroscopy; Halogenation; Models, Molecular; Oxidation-Reduction; Oxidoreductases; Oxygen; Phenols; Phyllobacteriaceae; Protein Conformation; Solubility; Vitamin B 12 | 2015 |
Mechanism of Co-C bond photolysis in the base-on form of methylcobalamin.
Topics: Carbon; Cobalt; Photolysis; Quantum Theory; Vitamin B 12 | 2014 |
Spectroscopic studies of the Salmonella enterica adenosyltransferase enzyme SeCobA: molecular-level insight into the mechanism of substrate Cob(II)alamin activation.
Topics: Alkyl and Aryl Transferases; Bacterial Proteins; Circular Dichroism; Cobalt; Electron Spin Resonance Spectroscopy; Hydrophobic and Hydrophilic Interactions; Salmonella typhimurium; Vitamin B 12 | 2014 |
Carbon nitride nanosheet-supported porphyrin: a new biomimetic catalyst for highly efficient bioanalysis.
Topics: Biomimetics; Biotinylation; Carbon; Catalysis; Cobalt; Computer Simulation; DNA; DNA, Complementary; Electrochemistry; Heme; Hemoglobins; Humans; Luminescence; Microscopy, Atomic Force; Microscopy, Electron, Transmission; Nanostructures; Nanotechnology; Nitriles; Oligonucleotides; Photoelectron Spectroscopy; Porphyrins; Spectrophotometry, Ultraviolet; Spectroscopy, Fourier Transform Infrared; Streptavidin; Vitamin B 12 | 2015 |
Improved 1,3-Propanediol Synthesis from Glycerol by the Robust Lactobacillus reuteri Strain DSM 20016.
Topics: Cations, Divalent; Cobalt; Fermentation; Glucose; Glycerol; Industrial Waste; Limosilactobacillus reuteri; Propylene Glycols; Vitamin B 12; Waste Disposal, Fluid | 2015 |
In utero exposure to cigarette chemicals induces sex-specific disruption of one-carbon metabolism and DNA methylation in the human fetal liver.
Topics: Adult; Body Weight; Carbon; Cobalt; DNA Methylation; Female; Fetus; Humans; Insulin-Like Growth Factor II; Liver; Male; One-Carbon Group Transferases; Pregnancy; Receptors, Glucocorticoid; Retrospective Studies; RNA, Messenger; Sex Factors; Smoking; Vitamin B 12 | 2015 |
Mechanism of Co-C bond photolysis in methylcobalamin: influence of axial base.
Topics: Carbon; Cobalt; Molecular Conformation; Photolysis; Quantum Theory; Vitamin B 12 | 2015 |
Unprecedented Mechanism Employed by the Salmonella enterica EutT ATP:Co(I)rrinoid Adenosyltransferase Precludes Adenosylation of Incomplete Co(II)rrinoids.
Topics: Bacterial Proteins; Biocatalysis; Cobalt; Cobamides; Electron Spin Resonance Spectroscopy; Salmonella enterica; Transferases; Vitamin B 12 | 2015 |
Epoxyqueuosine Reductase Structure Suggests a Mechanism for Cobalamin-dependent tRNA Modification.
Topics: Amino Acid Sequence; Catalysis; Cobalt; Crystallography, X-Ray; Halogenation; Molecular Sequence Data; Nucleoside Q; Oxidation-Reduction; Oxidoreductases; Protein Structure, Secondary; RNA, Transfer; Solutions; Streptococcus thermophilus; Vitamin B 12 | 2015 |
Co-C Bond Dissociation Energies in Cobalamin Derivatives and Dispersion Effects: Anomaly or Just Challenging?
Topics: Carbon; Cobalt; Hydrogen Bonding; Molecular Structure; Organometallic Compounds; Quantum Theory; Vitamin B 12 | 2015 |
Simultaneous determination of cobalt and nickel in vitamin B12 samples using high-resolution continuum source atomic absorption spectrometry.
Topics: Calibration; Cobalt; Nickel; Spectrophotometry, Atomic; Temperature; Time Factors; Vitamin B 12 | 2016 |
Pyrolysis of Animal Bones with Vitamin B12: A Facile Route to Efficient Transition Metal-Nitrogen-Carbon (TM-N-C) Electrocatalysts for Oxygen Reduction.
Topics: Animals; Catalysis; Cobalt; Nitrogen; Oxidation-Reduction; Porosity; Transition Elements; Vitamin B 12 | 2016 |
Relationship between soil cobalt and vitamin B12 levels in the liver of livestock in Saudi Arabia: role of competing elements in soils.
Topics: Agriculture; Animals; Cattle; Cobalt; Environmental Monitoring; Humans; Liver; Livestock; Metals, Heavy; Organic Chemicals; Saudi Arabia; Soil; Soil Pollutants; Vitamin B 12 | 2015 |
Electrochemistry and catalytic properties of amphiphilic vitamin B12 derivatives in nonaqueous media.
Topics: Benzyl Compounds; Catalysis; Cobalt; Cyanides; Electrochemical Techniques; Electrolysis; Oxidation-Reduction; Solvents; Spectrophotometry; Vitamin B 12 | 2016 |
Mechanism of Co-C photodissociation in adenosylcobalamin.
Topics: Cobalt; Cobamides; Ligands; Metals; Organometallic Compounds; Quantum Theory; Vitamin B 12 | 2016 |
Resonance Raman spectroscopic study of the interaction between Co(II)rrinoids and the ATP:corrinoid adenosyltransferase PduO from Lactobacillus reuteri.
Topics: Adenosine Triphosphate; Aldehyde Oxidoreductases; Cobalt; Limosilactobacillus reuteri; Quantum Theory; Spectrum Analysis, Raman; Vitamin B 12 | 2016 |
Axial Ligation and Redox Changes at the Cobalt Ion in Cobalamin Bound to Corrinoid Iron-Sulfur Protein (CoFeSP) or in Solution Characterized by XAS and DFT.
Topics: Bacterial Proteins; Chemical Phenomena; Cobalt; Corrinoids; Electron Spin Resonance Spectroscopy; Firmicutes; Ions; Iron-Sulfur Proteins; Ligands; Models, Molecular; Oxidation-Reduction; Protein Binding; Protein Conformation; Solutions; Vitamin B 12; X-Ray Absorption Spectroscopy | 2016 |
A comparison between different concentrations and sources of cobalt in goat kid nutrition.
Topics: Animal Feed; Animals; Cobalt; Diet; Dietary Supplements; Fatty Acids, Volatile; Goats; Male; Random Allocation; Rumen; Sugar Acids; Vitamin B 12 | 2017 |
Organometallic cobalamin anticancer derivatives for targeted prodrug delivery via transcobalamin-mediated uptake.
Topics: Antineoplastic Agents; Biological Transport; Cobalt; Humans; MCF-7 Cells; Organometallic Compounds; Prodrugs; Transcobalamins; Vitamin B 12 | 2017 |
Alpha- and Beta-Diastereoisomers of Phenylcobalamin from Cobalt-Arylation with Diphenyliodonium Chloride.
Topics: Biphenyl Compounds; Circular Dichroism; Cobalt; Crystallography, X-Ray; Molecular Conformation; Onium Compounds; Spectrophotometry; Stereoisomerism; Vitamin B 12 | 2017 |
Impact of the corrin framework of vitamin B
Topics: Cobalt; Electrolysis; Vitamin B 12 | 2017 |
Nutrient co-limitation at the boundary of an oceanic gyre.
Topics: Atlantic Ocean; Biodiversity; Chlorophyll; Chlorophyll A; Cobalt; Diatoms; Food Chain; Iron; Nitrogen; Phytoplankton; Seawater; Vitamin B 12 | 2017 |
Vitamin B
Topics: Antibodies, Monoclonal; Biological Products; Cobalt; Consumer Product Safety; Culture Media; Cysteine; Disulfides; Humans; Hydroxocobalamin; Immunoglobulin G; Light; Vitamin B 12 | 2018 |
The deep-subsurface sulfate reducer Desulfotomaculum kuznetsovii employs two methanol-degrading pathways.
Topics: Alcohol Dehydrogenase; Bacterial Proteins; Cobalt; Culture Media; Desulfotomaculum; Gene Expression; Gene Expression Profiling; Hydrolysis; Metabolic Networks and Pathways; Methanol; Methyltransferases; Oxidation-Reduction; Phylogeny; Proteomics; Vitamin B 12 | 2018 |
Determination of cobalt species in nutritional supplements using ICP-OES after microwave-assisted extraction and solid-phase extraction.
Topics: Cobalt; Dietary Supplements; Limit of Detection; Microwaves; Solid Phase Extraction; Spirulina; Tablets; Vitamin B 12 | 2018 |
Determination of vitamin B
Topics: Animals; Chromatography, Liquid; Cobalt; Horses; Mass Spectrometry; Vitamin B 12 | 2018 |
The Frequent Flyer Periodic Table and an "Element" of Hematology.
Topics: Animals; Cobalt; Hematology; History, 19th Century; History, 20th Century; History, 21st Century; Humans; Nobel Prize; Vitamin B 12 | 2018 |
Stabilizing intramolecular cobalt-imidazole coordination with a remote methyl group in the backbone of a cofactor B
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Biomimetics; Catalytic Domain; Cobalt; Coordination Complexes; Humans; Imidazoles; Ligands; Molecular Structure; Thermodynamics; Vitamin B 12 | 2018 |
Mechanistic Implications of Reductive Co-C Bond Cleavage in B
Topics: Binding Sites; Carbon; Catalysis; Cobalt; Cobamides; Computational Chemistry; Electron Transport; Methylmalonyl-CoA Mutase; Molecular Dynamics Simulation; Substrate Specificity; Vitamin B 12 | 2019 |
Determination of Vitamin B12 and cobalt in egg yolk using vortex assisted switchable solvent based liquid phase microextraction prior to slotted quartz tube flame atomic absorption spectrometry.
Topics: Cobalt; Egg Yolk; Limit of Detection; Liquid Phase Microextraction; Quartz; Semicarbazones; Solvents; Spectrophotometry, Atomic; Vitamin B 12; Water Pollutants, Chemical | 2019 |
The Hydrogenobyric Acid Structure Reveals the Corrin Ligand as an Entatic State Module Empowering B
Topics: Biocatalysis; Cobalt; Corrinoids; Ligands; Molecular Structure; Uroporphyrins; Vitamin B 12 | 2019 |
Carbon quantum dots doped with phosphorus and nitrogen are a viable fluorescent nanoprobe for determination and cellular imaging of vitamin B
Topics: Carbon; Cell Line; Cobalt; Fluorescent Dyes; Humans; Nanoparticles; Nitrogen; Phosphorus; Quantum Dots; Vitamin B 12 | 2019 |
An accurate determination method for cobalt in sage tea and cobalamin: Slotted quartz tube-flame atomic absorption spectrometry after preconcentration with switchable liquid-liquid microextraction using a Schiff base.
Topics: Cobalt; Limit of Detection; Liquid Phase Microextraction; Quartz; Reproducibility of Results; Salvia officinalis; Schiff Bases; Spectrophotometry, Atomic; Teas, Herbal; Vitamin B 12 | 2020 |
Zinc Substitution of Cobalt in Vitamin B
Topics: Cobalt; Luminescence; Models, Molecular; Molecular Mimicry; Molecular Structure; Thermodynamics; Vitamin B 12; Zinc | 2019 |
Antivitamins B
Topics: Carbon; Cobalt; Coordination Complexes; Kinetics; Models, Molecular; Molecular Conformation; Photochemical Processes; Quantum Theory; Thermodynamics; Vitamin B 12; X-Rays | 2019 |
How does the mutation in the cap domain of methylcobalamin-dependent methionine synthase influence the photoactivation of the Co-C bond?
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Carbon; Cobalt; Models, Chemical; Molecular Structure; Mutation; Photolysis; Protein Domains; Vitamin B 12 | 2019 |
Elevated urinary cobalt concentrations identified in routine doping controls can originate from vitamin B
Topics: Chromatography, High Pressure Liquid; Cobalt; Doping in Sports; Humans; Mass Spectrometry; Vitamin B 12 | 2020 |
Comprehensive and quantitative profiling of B vitamins and related compounds in the mammalian liver.
Topics: Animals; Chromatography, Liquid; Cobalt; Female; Hydrophobic and Hydrophilic Interactions; Limit of Detection; Linear Models; Liver; Male; Reproducibility of Results; Riboflavin; Sheep; Spectrometry, Mass, Electrospray Ionization; Tandem Mass Spectrometry; Vitamin B 12; Vitamin B 6 | 2020 |
Macrocyclic cyanocobalamin (vitamin B
Topics: Catalysis; Cobalt; Molecular Conformation; Oxidation-Reduction; Potentiometry; Vitamin B 12; Water | 2020 |
Exceptional Photochemical Stability of the Co-C Bond of Alkynyl Cobalamins, Potential Antivitamins B
Topics: Carbon; Cobalt; Crystallography, X-Ray; Density Functional Theory; Models, Molecular; Molecular Conformation; Photochemical Processes; Temperature; Vitamin B 12 | 2020 |
A label-free multifunctional nanosensor based on N-doped carbon nanodots for vitamin B
Topics: A549 Cells; Animals; Carbon; Cobalt; Humans; Nanoparticles; Optical Imaging; Particle Size; Quantum Dots; Surface Properties; Vitamin B 12; Zebrafish | 2020 |
Vitamin B12 allergy manifesting as lymphomatoid contact dermatitis.
Topics: Allergens; Cobalt; Dermatitis, Allergic Contact; Female; Foot Dermatoses; Hand Dermatoses; Humans; Middle Aged; Vitamin B 12 | 2020 |
Minimal cobalt metabolism in the marine cyanobacterium
Topics: Aquatic Organisms; Biomass; Cobalt; Genome, Bacterial; Iron; Pacific Ocean; Phylogeny; Prochlorococcus; Proteomics; Seawater; Vitamin B 12 | 2020 |
Replacement of the Cobalt Center of Vitamin B
Topics: Cobalt; Crystallography, X-Ray; Ligands; Magnetic Resonance Spectroscopy; Nickel; Spectrophotometry, Ultraviolet; Vitamin B 12 | 2020 |
Ultrafast Excited State Dynamics and Fluorescence from Vitamin B
Topics: Cobalt; Fluorescence; Vibration; Vitamin B 12; Vitamins | 2020 |
An Interprotein Co-S Coordination Complex in the B
Topics: Cobalt; Models, Molecular; Molecular Chaperones; Sulfur; Vitamin B 12 | 2020 |
A rapid, sensitive and accurate determination of cobalamin with double monitoring system: HPLC-UV and HPLC-ICP-OES.
Topics: Chromatography, High Pressure Liquid; Cobalt; Limit of Detection; Time Factors; Vitamin B 12 | 2021 |
Analysis of cobalt for human sports drug testing purposes using ICP- and LC-ICP-MS.
Topics: Adult; Chromatography, Liquid; Cobalt; Doping in Sports; Erythropoietin; Female; Humans; Male; Mass Spectrometry; Middle Aged; Substance Abuse Detection; Tandem Mass Spectrometry; Vitamin B 12; Young Adult | 2020 |
Calculating metalation in cells reveals CobW acquires Co
Topics: Bacterial Proteins; Cobalt; Escherichia coli; GTP Phosphohydrolases; Metals; Salmonella; Vitamin B 12; Zinc | 2021 |
Redox-Linked Coordination Chemistry Directs Vitamin B
Topics: Cobalt; Cobamides; Coordination Complexes; Humans; Lysosomes; Methylmalonyl-CoA Mutase; Methyltransferases; Mitochondria; Oxidation-Reduction; Protein Structure, Tertiary; Vitamin B 12 | 2021 |
Role of the CarH photoreceptor protein environment in the modulation of cobalamin photochemistry.
Topics: Bacterial Proteins; Cobalt; Ligands; Molecular Dynamics Simulation; Vitamin B 12 | 2021 |
Clinical implications of vitamin B
Topics: Cobalt; Humans; Methylmalonyl-CoA Mutase; Oxidation-Reduction; Vitamin B 12; Vitamins | 2021 |
Adduct of Aquacobalamin with Hydrogen Peroxide.
Topics: Cobalt; Density Functional Theory; Hydrogen Peroxide; Magnetic Resonance Spectroscopy; Models, Chemical; Spectrophotometry, Ultraviolet; Spectrum Analysis, Raman; Vitamin B 12 | 2021 |
Investigation of Trace Elements in Vegan Foods by ICP-MS After Microwave Digestion.
Topics: Aluminum; Animals; Arsenic; Cadmium; Calcium; Chromium; Cobalt; Copper; Digestion; Humans; Iron; Manganese; Mercury; Microwaves; Milk; Minerals; Nickel; Trace Elements; Vegans; Vitamin B 12; Vitamin D; Vitamins; Zinc | 2022 |
Spectroscopic and Computational Investigation of the Epoxyqueuosine Reductase QueG Reveals Intriguing Similarities with the Reductive Dehalogenase PceA.
Topics: Bacillus subtilis; Catalysis; Circular Dichroism; Cobalt; Crystallography, X-Ray; Density Functional Theory; Electron Spin Resonance Spectroscopy; Models, Molecular; Nucleoside Q; Oxidoreductases; RNA, Transfer; Vitamin B 12 | 2022 |
Insertion of cobalt into tetrapyrroles.
Topics: Cobalt; Humans; Tetrapyrroles; Vitamin B 12; Vitamins | 2022 |
Application of bioorganometallic B
Topics: Carbon; Chemistry Techniques, Synthetic; Cobalt; Humans; Vitamin B 12; Vitamins | 2022 |
A method for the isolation of α-ribazole from vitamin B
Topics: Cobalt; Cobamides; Coenzymes; Ligands; Phosphates; Ribonucleosides; Vitamin B 12; Vitamins | 2022 |
A method for the efficient adenosylation of corrinoids.
Topics: Adenosine Triphosphate; Alkyl and Aryl Transferases; Bacterial Proteins; Cobalt; Cobamides; Corrinoids; Vitamin B 12 | 2022 |
Topics: Cobalt; Nitrates; Nitrogen; Surface Properties; Vitamin B 12 | 2022 |
Dioxin-elicited decrease in cobalamin redirects propionyl-CoA metabolism to the β-oxidation-like pathway resulting in acrylyl-CoA conjugate buildup.
Topics: Aconitic Acid; Acyl Coenzyme A; Animals; Cobalt; Cysteine; Environmental Pollutants; Fatty Liver; Humans; Liver; Methylmalonyl-CoA Mutase; Mice; Polychlorinated Dibenzodioxins; Receptors, Aryl Hydrocarbon; Succinates; Vitamin B 12; Vitamin B 12 Deficiency | 2022 |
Status of Vitamin B12, Zinc, Copper, Selenium, Manganese, Molybdenum and Cobalt in Severe Acute Malnutrition.
Topics: Child; Cobalt; Copper; Cross-Sectional Studies; Female; Humans; Male; Malnutrition; Manganese; Micronutrients; Molybdenum; Prevalence; Prospective Studies; Selenium; Severe Acute Malnutrition; Vitamin B 12; Zinc | 2023 |
Cyanocobalamin (VB
Topics: Biomarkers, Tumor; Bionics; Cobalt; Free Radicals; Humans; Lung; Lung Neoplasms; Multienzyme Complexes; Polymerization; Vitamin B 12; Vitamins | 2023 |