urea has been researched along with ammonium sulfate in 145 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 98 (67.59) | 18.7374 |
| 1990's | 13 (8.97) | 18.2507 |
| 2000's | 6 (4.14) | 29.6817 |
| 2010's | 22 (15.17) | 24.3611 |
| 2020's | 6 (4.14) | 2.80 |
| Authors | Studies |
|---|---|
| Castric, PA; Levenberg, B | 1 |
| Akagi, JM; Himes, RH; Shing, YW | 1 |
| Osawa, T; Sawada, JI; Shioiri-Nakano, K | 1 |
| Kundu, AK; Manna, S | 1 |
| Brown, PR; Gregoriou, M; Tata, R | 1 |
| Alaa el-Din, MN; Hamdi, YA; Tewfik, MS | 1 |
| Choudary, VP; Rao, GR | 1 |
| O'Connor, WJ; Summerill, RA | 1 |
| Abdel-Nasser, M; Hamed, AS | 1 |
| Leng, RA; Nolan, JV; Norton, BW | 1 |
| Acebal, C; Castillon, MP; de la Mata, I; Dominguez, JM; Jimenez, J; Macarron, R | 1 |
| Greene, LW; Hardt, PF; Ocumpaugh, WR | 1 |
| Freer, SN; Jackson, MA | 1 |
| Li, F; Li, J; Liu, D; Wang, P | 1 |
| Abdelghani, AA; Anderson, AC; Englande, AJ; Malek, EA; Tchounwou, PB | 1 |
| Englande, AJ; Malek, EA; Tchounwou, PB | 1 |
| Fishkes, H; Rudnick, G; Schuldiner, S; Steiner-Mordoch, SS; Stern-Bach, Y | 1 |
| Chiba, S; Matsui, H; Onodera, S | 1 |
| Craven, SE | 1 |
| Núñez Muñoz, M; Ortega Cerrilla, E | 1 |
| Dixon, RM; Nolan, JV | 1 |
| Schmidt, JH; Wells, R | 1 |
| Mitchinson, C; Pain, RH | 1 |
| Arakawa, T; Timasheff, SN | 1 |
| Kang, YS; Lee, TH; Oh, SK; Shim, BS; Yoon, CS | 1 |
| Kondo, H; Koshihara, H | 1 |
| Fenner, C; Mason, DT; Wikman-Coffelt, J; Zelis, R | 1 |
| Coulton, JW; Kapoor, M | 1 |
| Aliotta, G; Rigano, C; Violante, U | 1 |
| Cho, HJ; Ingram, DG | 1 |
| Pringle, JR; Stellwagen, E; Wilgus, H | 1 |
| Lee, LM | 1 |
| Barlow, V; Mirsky, R | 1 |
| Knowles, AF; Penefsky, HS | 1 |
| Brooks, JC; Senior, AE | 1 |
| De Bernard, B; Panfili, E; Sottocasa, GL | 1 |
| Marler, HR; Shakespeare, PG | 1 |
| Bar, A; Hurwitz, S | 1 |
| Lin, PP; Varner, JE | 1 |
| Singh, J; Wharton, DC | 1 |
| Flynn, TG; Hurst, RO; Kormann, AW | 1 |
| Dunlap, RB; Freisheim, JH; Gundersen, LE; Harding, NG; Huennekens, FM; Otting, F | 1 |
| Kester, M; Norton, SJ | 1 |
| Fischman, DA; Goldwasser, E; Moscona, AA; Sarkar, PK | 1 |
| De Zalenski, C; Pietruszko, R; Theorell, H | 1 |
| Cottam, GL; Dahm, L; Taylor, J; Waterman, MR; Yamaoka, K | 1 |
| Foulds, J | 1 |
| Blackburn, EH; Davidson, BE; Dopheide, TA | 1 |
| Cooper, TG; Whitney, PA | 1 |
| Brown, JL | 1 |
| Hayashi, R; Moore, S; Stein, WH | 1 |
| Pilkis, SJ | 1 |
| Barnes, R; Jones, OT; Porra, RJ | 1 |
| Flintoff, WF; Paetkau, VH | 1 |
| Kuhn, RW; Neurath, H; Walsh, KA | 1 |
| Gunsalus-Miguel, A; Hastings, JW; Meighen, EA; Nealson, KH; Nicoli, MZ | 1 |
| Akazawa, T; Kondo, H; Nishimura, M; Shimazue, T; Sugiyama, T | 1 |
| Melville, JC; Ryan, CA | 1 |
| Frieden, E; Nielsen, SA | 1 |
| Fang, S; Glazer, AN | 1 |
| Brown, BI; Brown, DH; Gordon, RB | 2 |
| Ericsson, LH; Hermodson, MA; Stoll, E; Zuber, H | 1 |
| Bralczyk, J; Kleczkowski, K; Tarantowicz-Marek, E | 1 |
| Egelrud, T; Olivecrona, T | 1 |
| Bonner, J; Noodén, LD; Sevall, JS; van den Broek, HW | 1 |
| Erdös, EG; Kakimoto, T; Oshima, G; Yeh, HS | 1 |
| Kawaguchi, T | 1 |
| Bezborodov, AM; Ivanova, GS | 1 |
| Kamel, MY; Ragaa, RH | 1 |
| Futterman, S; Rollins, MH | 1 |
| Mapelli, S; Soave, C; Torti, G | 1 |
| McKenzie, HA; Ralston, GB | 1 |
| Frost, JW; Liess, B | 1 |
| Konovalov, SA; Vorotilo, SP; Ziukova, LA | 1 |
| Behal, FJ; Starnes, WL | 1 |
| Kochakian, CD; Stevenson, D | 1 |
| Ron, EZ; Shani, M | 1 |
| Goto, S; Mizuno, D | 1 |
| Hindennach, I; Kaltschmidt, E; Wittmann, HG | 1 |
| Dannies, PS; Levine, L | 1 |
| Gardonio, EC; Logan, DM | 1 |
| Arima, T; Fujii, S; Hashimoto, T; Okuda, H | 1 |
| Pelroy, RA; Whiteley, HR | 1 |
| Berdyshev, GD; Parsnitskaja, AI; Rasskazov, VA | 1 |
| Cheeke, PR; Stangel, DE | 1 |
| Hochstein, LI; Schramm, VL | 1 |
| Siegel, FL; Wolff, DJ | 1 |
| Laval, J; Paoletti, C | 1 |
| Azarnoff, DL; Shoeman, DW | 1 |
| Idler, W; Ugel, AR | 1 |
| Leng, RA; Nolan, JV | 1 |
| Nelson, TE; Watts, TE | 1 |
| Stahl, PD; Touster, O | 1 |
| Hersh, LB | 1 |
| Hayaishi, O; Hirata, F; Nakazawa, A; Nozaki, M | 1 |
| Fass, DN; Heldebrant, CM; Mann, KG | 1 |
| Buchwald, BM | 1 |
| Ebner, KE; Schmidt, DV | 1 |
| Behal, FJ; Little, GH | 1 |
| Girsch, SJ; Rabinovitch, B | 1 |
| Barylko, B; Drabikowski, W | 1 |
| Tanev, G | 1 |
| Fonss-Bech, P; Schmidt, KD | 1 |
| Cooper, JE | 1 |
| Fan, YX; Ju, M; Tsou, CL; Zhou, JM | 1 |
| Horowitz, PM; Ybarra, J | 1 |
| Prentø, P | 1 |
| Dabrowski, K; Matusiewicz, M | 1 |
| Imoto, T; Maeda, Y; Ueda, T; Yamada, H | 1 |
| Imkampe, A; Mayser, P; Papavassilis, C; Winkeler, M | 1 |
| Chaudhuri, AR; Khan, IA; Ludueña, RF | 1 |
| Fast, J; Linse, S; Mossberg, AK; Svanborg, C | 1 |
| Albuquerque, CD; Campos-Takaki, GM; Filetti, AM | 1 |
| Colauto, NB; Linde, GA; Mantovani, TR | 1 |
| Chen, XY; Li, YS; Shi, QW; Wang, ZQ; Wu, LH; Wu, SF | 1 |
| Chen, T; Jin, Y; Li, X; Yan, J | 1 |
| da Silva, MM; Maeda, RN; Pereira, N; Santa Anna, LM | 1 |
| Conrad, R; Frenzel, P; Shrestha, M; Shrestha, PM | 1 |
| Bastianetto, E; Bello, AC; da Cunha, AP; de Freitas, CM; Domingues, LN; Leite, RC; Martins, JR; Oliveira, PR; Silva, MX | 1 |
| Budroni, M; Mannazzu, I; Migheli, Q; Sanna, ML; Zara, G; Zara, S | 1 |
| Tong, D; Xu, R | 1 |
| Du, H; Gu, Y; Li, S; Pan, H; Wang, N; Wei, M; Xia, N; Yang, C; Zhang, J; Zhang, X | 1 |
| Burger, M; Doane, TA; Horwath, WR; Zhu, X | 1 |
| Padkina, MV; Rumiantsev, AM; Sambuk, EV | 1 |
| Finete, Vde L; Gouvêa, MM; Marques, FF; Netto, AD | 1 |
| Chen, T; Hu, YJ; Li, XD; Qi, ZF; Yan, M | 1 |
| Hayatsu, M | 1 |
| Li, X; Qi, Z; Ren, J; Xu, Z; Yan, M; Yang, J | 1 |
| Liu, J; Shi, J; Sun, L; Yang, J; Zheng, C; Zhu, S | 1 |
| Froetschel, MA; Paserakung, A; Pattarajinda, V; Vichitphan, K | 1 |
| Cicero, N; Dugo, G; La Torre, GL; Potortì, AG; Richardson, D; Tropea, A; Waldron, KW; Wilson, D | 1 |
| Huang, L; Jiang, R; Kang, J; Yuan, Z; Zhang, W; Zhong, H | 1 |
| Li, K; Zhang, L; Zhu, C; Zhu, X | 1 |
| Gupta, MM; Nagegowda, DA; Pal, A; Pal, S; Rastogi, S; Shasany, AK; Singh, AK; Verma, RK; Yadav, AK | 1 |
| Holroyd, SE; McGoverin, CM; Nieuwoudt, MK; Simpson, MC; Williams, DE | 1 |
| Clore, GM; Wälti, MA | 1 |
| Hussain, A; Pu, H; Sun, DW | 1 |
| Chen, L; Chen, S; Li, S; Wang, D; Wang, M; Zheng, H | 1 |
| Dedi, C; Dymond, M; Eardley, J; Hallsworth, JE; Timson, DJ | 1 |
| Billerbeck, S; Prins, RC | 1 |
| Hoshyarmanesh, P; Mohammadbagheri, Z; Rahmati, A | 1 |
| Fernandes, AM; Gupta, SK; Soratto, RP; Souza, EFC | 1 |
| Bhande, D; Kaushik, A; Kumar, A; Mudila, H; Pawar, SD; Pawar, VS | 1 |
| Jiang, HB; Lang, M; Li, N; Li, P; Nie, H; Zhu, YJ | 1 |
145 other study(ies) available for urea and ammonium sulfate
| Article | Year |
|---|---|
Urea amidolyase of Candida utilis. Characterization of the urea cleavage reactions.
Topics: Acetamides; Allophanate Hydrolase; Amidohydrolases; Ammonium Sulfate; Candida; Carbon-Nitrogen Ligases; Enzyme Induction; Formamides; Guanidines; Hydrogen-Ion Concentration; Kinetics; Ligases; Multienzyme Complexes; Temperature; Urea; Urease | 1976 |
Psychrophilic, mesophilic, and thermophilic triosephosphate isomerases from three clostridial species.
Topics: Amino Acids; Ammonium Sulfate; Anaerobiosis; Carbohydrate Epimerases; Chemical Precipitation; Chromatography; Chromatography, DEAE-Cellulose; Clostridium; Electrophoresis, Disc; Hot Temperature; Hydrogen-Ion Concentration; Hydroxyapatites; Isoelectric Focusing; Molecular Weight; Protein Denaturation; Sodium Dodecyl Sulfate; Sugar Phosphates; Temperature; Trioses; Urea | 1975 |
Purification and characterization of guinea pig lymphotoxin produced by lymph node cells stimulated by phytohemagglutinin.
Topics: Ammonium Sulfate; Animals; Cell-Free System; Cells, Cultured; Centrifugation, Density Gradient; Chemical Fractionation; Chromatography, Gel; Chromatography, Ion Exchange; Chymotrypsin; Clostridium perfringens; Concanavalin A; Cytotoxicity Tests, Immunologic; Edetic Acid; Guinea Pigs; Hydrogen-Ion Concentration; Iodoacetates; Lectins; Lymph Nodes; Lymphocytes; Lymphotoxin-alpha; Micrococcal Nuclease; Molecular Weight; Neuraminidase; Nitrobenzenes; Serum Albumin, Radio-Iodinated; Trypsin; Urea | 1975 |
Purification and characterization of extracellular proteinases of Aspergillus oryzae.
Topics: Ammonium Sulfate; Aspergillus; Aspergillus oryzae; Caseins; Cell-Free System; Chemical Precipitation; Chromatography; Ethanol; Hemoglobins; Hydrogen-Ion Concentration; Hydrolysis; Isoenzymes; Metals; Molecular Weight; Peptide Hydrolases; Sulfhydryl Compounds; Sulfhydryl Reagents; Urea | 1975 |
Pseudomonas aeruginosa mutants resistant to urea inhibition of growth on acetanilide.
Topics: Acetanilides; Amidohydrolases; Ammonium Sulfate; Genes; Lactates; Mutation; Pseudomonas aeruginosa; Transduction, Genetic; Urea; Urease | 1977 |
Nitrate reductase and dehydrogenase activities of cowpea nodules as affected by ammonium sulphate and urea fertilizers.
Topics: Ammonium Sulfate; Fertilizers; Nitrate Reductases; Nitrogen Fixation; Oxidoreductases; Plants; Rhizobium; Soil Microbiology; Urea | 1978 |
Regulatory properties of yeast nitrate reductase in situ.
Topics: Amino Acids; Ammonium Sulfate; Candida; Cell Membrane Permeability; Enzyme Induction; Enzyme Repression; Ethanol; Glutamates; Hydrazines; Hydroxylamines; Nitrate Reductases; Nitrates; Nitrites; Toluene; Urea | 1976 |
Sulphate excretion by dogs following ingestion of ammonium sulphate or meat.
Topics: Absorption; Ammonium Sulfate; Animals; Creatinine; Dogs; Female; Glomerular Filtration Rate; Intestinal Absorption; Kidney Tubules; Meat; Sulfates; Urea | 1976 |
Soil amendments and the rhizosphere effect.
Topics: Ammonia; Ammonium Sulfate; Bacteria; Cell Count; Glycine max; Nitrogen; Plants; Soil; Soil Microbiology; Triticum; Urea | 1975 |
Further studies of the dynamics of nitrogen metabolism in sheep.
Topics: Ammonia; Ammonium Sulfate; Animal Feed; Animals; Bacteria; Cecum; Digestion; Feces; Female; Gastric Juice; Intestinal Secretions; Models, Chemical; Nitrogen; Rheology; Rumen; Sheep; Urea | 1976 |
Mechanisms of thermoinactivation of endoglucanase I from Trichoderma reesei QM 9414.
Topics: Ammonium Sulfate; Cellulose 1,4-beta-Cellobiosidase; Circular Dichroism; Copper; Disulfides; Enzyme Activation; Glycoside Hydrolases; Hot Temperature; Hydrogen-Ion Concentration; Kinetics; Protein Conformation; Spectrophotometry, Ultraviolet; Trichoderma; Urea | 1992 |
Forage mineral concentration, animal performance, and mineral status of heifers grazing cereal pastures fertilized with sulfur.
Topics: Ammonium Sulfate; Animal Feed; Animals; Calcium; Cattle; Copper; Edible Grain; Female; Fertilizers; Magnesium; Minerals; Phosphorus; Potassium; Rain; Random Allocation; Sulfur; Urea; Weight Gain | 1991 |
The influence of carbon and nitrogen nutrition on fusarin C biosynthesis by Fusarium moniliforme.
Topics: Ammonium Sulfate; Fusarium; Glucose; Mutagens; Polyenes; Urea; Zinc | 1991 |
Application of uniform design in L-isoleucine fermentation.
Topics: Ammonium Sulfate; Biotin; Calcium Carbonate; Corynebacterium; Culture Media; Fermentation; Glucose; Isoleucine; Magnesium Sulfate; Phosphates; Potassium; Potassium Compounds; Thiamine; Urea | 1991 |
The effects of ammonium sulphate and urea upon egg hatching and miracidial survival of Schistosoma mansoni.
Topics: Ammonium Sulfate; Analysis of Variance; Animals; Humans; Larva; Schistosoma mansoni; Schistosomiasis mansoni; Urea; Zygote | 1991 |
Toxicity evaluation of ammonium sulphate and urea to three developmental stages of freshwater snails.
Topics: Ammonium Sulfate; Animals; Biomphalaria; Dose-Response Relationship, Drug; Snails; Urea | 1991 |
Energetics of reserpine binding and occlusion by the chromaffin granule biogenic amine transporter.
Topics: Adenosine Triphosphatases; Ammonium Sulfate; Binding Sites; Biogenic Amines; Carbonyl Cyanide m-Chlorophenyl Hydrazone; Carrier Proteins; Chlorides; Chromaffin Granules; Chromaffin System; Detergents; Electrochemistry; Hydrogen-Ion Concentration; Ionophores; Kinetics; Ligands; Membrane Potentials; Reserpine; Thermodynamics; Thiocyanates; Time Factors; Urea | 1990 |
Single active site mechanism of rabbit liver acid alpha-glucosidase.
Topics: alpha-Glucosidases; Ammonium Sulfate; Animals; Binding Sites; Chromatography, Gel; Electrophoresis, Polyacrylamide Gel; Enzyme Stability; Glycogen; Hydrogen-Ion Concentration; Hydrolysis; Kinetics; Liver; Maltose; Molecular Weight; Rabbits; Urea | 1989 |
Activation of Clostridium perfringens spores under conditions that disrupt hydrophobic interactions of biological macromolecules.
Topics: Ammonium Sulfate; Clostridium perfringens; Colony Count, Microbial; Dibucaine; Hot Temperature; Hydrogen-Ion Concentration; Macromolecular Substances; Muramidase; Procaine; Spores, Bacterial; Urea | 1988 |
[Treatment of wheat straw with urea, calcium hydroxide or ammonium sulfate].
Topics: Ammonium Sulfate; Animal Feed; Calcium Hydroxide; Silage; Triticum; Urea | 1987 |
Nitrogen and carbon flows between the caecum, blood and rumen in sheep given chopped lucerne (Medicago sativa) hay.
Topics: Ammonium Sulfate; Animal Feed; Animals; Bicarbonates; Carbon; Cecum; Infusions, Intravenous; Injections; Male; Models, Biological; Nitrogen; Osmolar Concentration; Rumen; Sheep; Urea | 1986 |
Recovery of soluble proteins from glanded cotton tissues with amines.
Topics: Amines; Ammonium Sulfate; Boric Acids; Buffers; Gossypium; Gossypol; Plant Proteins; Plants; Protein Binding; Urea | 1986 |
Effects of sulphate and urea on the stability and reversible unfolding of beta-lactamase from Staphylococcus aureus. Implications for the folding pathway of beta-lactamase.
Topics: Ammonium Sulfate; beta-Lactamases; Kinetics; Penicillin G; Protein Conformation; Protein Denaturation; Staphylococcus aureus; Urea | 1985 |
Calculation of the partial specific volume of proteins in concentrated salt and amino acid solutions.
Topics: Amino Acids; Ammonium Sulfate; Guanidine; Guanidines; Molecular Weight; Muramidase; Osmolar Concentration; Protein Conformation; Proteins; Solutions; Urea | 1985 |
Studies on swine and canine serum haptoglobins.
Topics: Acetamides; Ammonium Sulfate; Animals; Chemical Phenomena; Chemical Precipitation; Chemistry; Chromatography, DEAE-Cellulose; Chromatography, Gel; Cross Reactions; Dogs; Electrophoresis; Electrophoresis, Paper; Epitopes; Haptoglobins; Hemoglobins; Humans; Immune Sera; Immunoelectrophoresis; Iodoacetates; Macromolecular Substances; Mercaptoethanol; Molecular Weight; Peptides; Protein Binding; Rabbits; Species Specificity; Swine; Urea | 1971 |
Immunological studies on the 26 S particles of sea urchin eggs.
Topics: Ammonium Sulfate; Animals; Antigens; Buffers; Centrifugation, Density Gradient; Electrophoresis, Polyacrylamide Gel; Epitopes; Female; Immune Sera; Immunodiffusion; Male; Ovum; Rabbits; Sea Urchins; Subcellular Fractions; Urea | 1972 |
Comparative purification of myocardial myosin and antigenic specificity of the two light chains.
Topics: Adenosine Triphosphatases; Ammonium Sulfate; Animals; Chemical Precipitation; Chromatography, Ion Exchange; Dogs; Electrophoresis, Disc; Epitopes; Goats; Immunodiffusion; Immunoglobulin Fragments; Iodine Radioisotopes; Macromolecular Substances; Myocardium; Myosins; Protein Denaturation; Sodium Dodecyl Sulfate; Urea | 1973 |
Purification and some properties of the glutamate dehydrogenase of Salmonella typhimurium.
Topics: Ammonium Sulfate; Centrifugation, Density Gradient; Chemical Precipitation; Chromatography, Gel; Chromatography, Ion Exchange; Electrophoresis, Polyacrylamide Gel; Enzyme Repression; Glutamate Dehydrogenase; Guanidines; Hot Temperature; Hydrogen-Ion Concentration; Mercuribenzoates; Molecular Weight; NADP; Salmonella typhimurium; Sodium Dodecyl Sulfate; Temperature; Urea | 1973 |
Kinetic aspects of nitrate reductase from Cyanidium caldarium. Inhibition by reduced pyridine nucleotides.
Topics: Ammonium Sulfate; Binding Sites; Chemical Precipitation; Chlorophyta; Hot Temperature; Kinetics; NAD; NADP; Nitrate Reductases; Nitrates; Urea | 1973 |
The antigen and virus of Aleutian disease in mink.
Topics: Aleutian Mink Disease; Ammonium Sulfate; Animals; Antigens, Viral; Centrifugation, Density Gradient; Fluorocarbon Polymers; Formaldehyde; Genotype; Hot Temperature; Hydrochloric Acid; Immunoelectrophoresis; Liver; Lymph Nodes; Microscopy, Electron; Mink; Parvoviridae; Spleen; Ultracentrifugation; Urea; Viruses, Unclassified | 1974 |
The molecular weight of the polypeptide chains of yeast phosphofructokinase.
Topics: Alkylation; Ammonium Sulfate; Chemical Precipitation; Chromatography, Gel; Detergents; Drug Stability; Electrophoresis; Fluorides; Guanidines; Hot Temperature; Macromolecular Substances; Molecular Weight; Oxidation-Reduction; Phosphofructokinase-1; Protease Inhibitors; Protein Denaturation; Saccharomyces; Sulfonic Acids; Sulfuric Acids; Urea | 1971 |
Purification and some properties of phosphofructokinase from human erythrocytes.
Topics: Ammonium Sulfate; Chromatography, DEAE-Cellulose; Drug Stability; Electrophoresis, Disc; Erythrocytes; Guanidines; Humans; Mercaptoethanol; Osmolar Concentration; Phosphofructokinase-1; Ultracentrifugation; Urea | 1972 |
Alternative purification of the membrane-bound ATPase from Bacillus megaterium KM, and some properties.
Topics: Adenosine Triphosphatases; Ammonium Sulfate; Bacillus megaterium; Cell Membrane; Centrifugation, Density Gradient; Chemical Precipitation; Cold Temperature; Drug Stability; Electrophoresis, Disc; Macromolecular Substances; Molecular Weight; Sodium Dodecyl Sulfate; Ultracentrifugation; Urea | 1972 |
The subunit structure of beef heart mitochondrial adenosine triphosphatase. Isolation procedures.
Topics: Adenosine Triphosphatases; Ammonium Sulfate; Animals; Cattle; Chemical Precipitation; Chromatography, Gel; Chromatography, Ion Exchange; Electrophoresis, Disc; Guanidines; Hot Temperature; Macromolecular Substances; Membranes; Mitochondria; Myocardium; Oxidative Phosphorylation Coupling Factors; Peptides; Protein Conformation; Protein Denaturation; Sodium Dodecyl Sulfate; Urea; Vibration | 1972 |
Methods for purification of each subunit of the mitochondrial oligomycin-insensitive adenosine triphosphatase.
Topics: Adenosine Triphosphatases; Amino Acids; Ammonium Sulfate; Animals; Cattle; Chemical Precipitation; Chromatography, Ion Exchange; Densitometry; Electrophoresis, Polyacrylamide Gel; Guanidines; Macromolecular Substances; Methods; Mitochondria, Muscle; Molecular Weight; Myocardium; Oligomycins; Sodium Dodecyl Sulfate; Trypsin; Urea | 1972 |
A high molecular weight form of NADH-cytochrome b 5 reductase from ox liver microsomes.
Topics: Acetone; Ammonium Sulfate; Animals; Bile Acids and Salts; Carbohydrates; Cattle; Chromatography, Gel; Chromatography, Ion Exchange; Cytochromes; Detergents; Electrophoresis, Disc; Macromolecular Substances; Microsomes, Liver; Molecular Weight; NAD; Oxidoreductases; Solubility; Sulfuric Acids; Surface-Active Agents; Urea | 1971 |
Purification and some properties of cytochrome c oxidase from the yeast Saccharomyces cerevisiae.
Topics: Ammonium Sulfate; Animals; Carbon Monoxide; Cattle; Centrifugation, Density Gradient; Chemical Precipitation; Chromatography, Gel; Cyanides; Detergents; Electron Transport Complex IV; Electrophoresis; Heme; Hydrogen Peroxide; Kinetics; Macromolecular Substances; Molecular Weight; Myocardium; Oxidation-Reduction; Saccharomyces; Saccharomyces cerevisiae; Spectrophotometry; Sulfites; Sulfuric Acids; Urea | 1971 |
Relationship of duodenal calcium-binding protein to calcium absorption in the laying fowl.
Topics: Ammonium Sulfate; Animals; Bone and Bones; Calcium; Calcium Isotopes; Calcium, Dietary; Carrier Proteins; Chelating Agents; Chemical Precipitation; Chickens; Cholecalciferol; Duodenum; Electrophoresis, Disc; Female; Intestinal Absorption; Intestinal Mucosa; Protein Binding; Proteins; Pyrimidines; Subcellular Fractions; Urea; Vitamin D Deficiency | 1972 |
Cyclic nucleotide phosphodiesterase in pea seedlings.
Topics: Adenosine Monophosphate; Ammonium Sulfate; Centrifugation, Density Gradient; Chromatography, Gel; Chromatography, Thin Layer; Cyclic AMP; Cyclic GMP; DNA; Drug Stability; Electrophoresis, Disc; Hydrogen-Ion Concentration; Isoelectric Focusing; Models, Chemical; Molecular Weight; Nucleotidases; Nucleotides; Phosphodiesterase Inhibitors; Phosphoric Diester Hydrolases; Phosphoric Monoester Hydrolases; Plants; RNA; Structure-Activity Relationship; Temperature; Tritium; Urea | 1972 |
Cytochrome c-556, a di-heme protein from Pseudomonas aeruginosa.
Topics: Amino Acids; Ammonium Sulfate; Chemical Precipitation; Chromatography, Ion Exchange; Cytochrome c Group; Electron Spin Resonance Spectroscopy; Electrophoresis, Disc; Electrophoresis, Polyacrylamide Gel; Heme; Iron; Macromolecular Substances; Molecular Weight; Oxidation-Reduction; Pseudomonas aeruginosa; Sodium Dodecyl Sulfate; Spectrophotometry; Ultracentrifugation; Urea | 1973 |
Purification and properties of an NADP + -dependent glycerol dehydrogenase from rabbit skeletal muscle.
Topics: Alcohol Oxidoreductases; Alcohols; Aldehydes; Ammonium Sulfate; Animals; Chemical Precipitation; Chloromercuribenzoates; Chromatography, Gel; Chromatography, Ion Exchange; Drug Stability; Electrophoresis, Disc; Glyceraldehyde; Glycerol; Hot Temperature; Hydrogen-Ion Concentration; Molecular Weight; Muscles; NAD; NADP; Rabbits; Structure-Activity Relationship; Urea | 1972 |
Dihydrofolate reductase from amethopterin-resistant Lactobacillus casei.
Topics: Acetates; Amino Acids; Ammonium Sulfate; Chromatography; Chromatography, Gel; Chromatography, Ion Exchange; Drug Resistance, Microbial; Electrophoresis; Folic Acid; Folic Acid Antagonists; Hydroxyapatites; Lacticaseibacillus casei; Lactobacillus; Methotrexate; Molecular Weight; NADP; Protein Binding; Sodium Dodecyl Sulfate; Spectrophotometry; Tetrahydrofolate Dehydrogenase; Ultracentrifugation; Ultraviolet Rays; Urea | 1972 |
Escherichia coli pyridine I-oxide reductase.
Topics: Ammonium Sulfate; Chemical Precipitation; Chromatography, DEAE-Cellulose; Colorimetry; Cyclic N-Oxides; Cytochromes; Dialysis; Enzyme Activation; Enzyme Induction; Escherichia coli; Guanidines; NAD; NADP; Nitrates; Nitrites; Nitrobenzenes; Oxidoreductases; Paraquat; Quinolines; Urea | 1972 |
Isolation and characterization of glutamine synthetase from chicken neural retina.
Topics: Amino Acids; Ammonium Sulfate; Animals; Centrifugation, Density Gradient; Chickens; Chromatography; Chromatography, DEAE-Cellulose; Chromatography, Gel; Electrophoresis, Disc; Freeze Drying; Glutamate-Ammonia Ligase; Macromolecular Substances; Methods; Microscopy, Electron; Molecular Weight; Nerve Tissue; Protein Conformation; Retina; Sodium Dodecyl Sulfate; Ultracentrifugation; Urea | 1972 |
Heterogeneity of alcohol dehydrogenase from human liver.
Topics: 17-Ketosteroids; Adolescent; Adult; Alcohol Oxidoreductases; Ammonium Sulfate; Androstanes; Chemical Precipitation; Chromatography, DEAE-Cellulose; Chromatography, Gel; Chromatography, Ion Exchange; Electrophoresis, Starch Gel; Ethanol; Fluorometry; Humans; Hydroxysteroids; Isoenzymes; Kinetics; Liver; Macromolecular Substances; Methanol; NADP; Protein Denaturation; Urea | 1972 |
Noncovalent modification of deoxyhemoglobin S solubility and erythrocyte sickling.
Topics: Ammonium Sulfate; Anemia, Sickle Cell; Buffers; Dimethyl Sulfoxide; Dimethylformamide; Dioxins; Ethanol; Guanidines; Hemoglobin C; Hemoglobins, Abnormal; Humans; Hydrogen-Ion Concentration; Osmolar Concentration; Phosphates; Potassium; Solubility; Solvents; Urea | 1974 |
Purification and partial characterization of a bacteriocin from Serratia marcescens.
Topics: Amino Acids; Ammonium Sulfate; Bacteriocins; Chromatography, Gas; Chromatography, Ion Exchange; Electrophoresis, Disc; Glucose; Hydrogen-Ion Concentration; Mitomycins; Molecular Weight; Peptide Hydrolases; Phosphorus; Serratia marcescens; Sodium Chloride; Sodium Dodecyl Sulfate; Urea | 1972 |
Chorismate mutase-prephenate dehydratase from Escherichia coli K-12. I. Purification, molecular weight, and amino acid composition.
Topics: Amino Acids; Ammonium Sulfate; Chemical Precipitation; Chromatography; Chromatography, DEAE-Cellulose; Chromatography, Gel; Chromatography, Ion Exchange; Cyclohexanecarboxylic Acids; Cyclohexanes; Electrophoresis, Disc; Escherichia coli; Formates; Hydro-Lyases; Hydroxyapatites; Isomerases; Macromolecular Substances; Mathematics; Molecular Weight; Oxidation-Reduction; Pyruvates; Urea | 1972 |
Urea carboxylase and allophanate hydrolase: two components of a multienzyme complex in Saccharomyces cerevisiae.
Topics: Alkaline Phosphatase; Ammonium Sulfate; Antibody Specificity; Binding Sites, Antibody; Biotin; Carbon Isotopes; Carbon-Nitrogen Ligases; Carboxylic Acids; Centrifugation, Density Gradient; Chromatography, DEAE-Cellulose; Chromatography, Gel; Hydrolases; Immune Sera; Immunochemistry; Ligases; Multienzyme Complexes; Ovalbumin; Precipitin Tests; Protein Binding; Saccharomyces cerevisiae; Urea | 1972 |
Purification and properties of dipeptidase M from Escherichia coli B.
Topics: Alanine; Ammonium Sulfate; Bacterial Proteins; Cations, Divalent; Chloromercuribenzoates; Chromatography, DEAE-Cellulose; Chromatography, Ion Exchange; Dipeptidases; Electrophoresis, Polyacrylamide Gel; Escherichia coli; Hydrogen-Ion Concentration; Iodoacetates; Kinetics; Macromolecular Substances; Methionine; Methods; Molecular Weight; Peptide Chain Initiation, Translational; Serine; Sodium Dodecyl Sulfate; Structure-Activity Relationship; Sulfhydryl Compounds; Urea | 1973 |
Carboxypeptidase from yeast. Large scale preparation and the application to COOH-terminal analysis of peptides and proteins.
Topics: Amino Acid Sequence; Amino Acids; Ammonium Sulfate; Autolysis; Carboxypeptidases; Chromatography, Ion Exchange; Endopeptidases; Glucagon; Glucosamine; Insulin; Isoflurophate; Kinetics; Methods; Molecular Weight; Peptides; Ribonucleases; Saccharomyces cerevisiae; Structure-Activity Relationship; Urea | 1973 |
Rat hepatic glucokinase: improved purification and some properties.
Topics: Ammonium Sulfate; Animals; Centrifugation, Density Gradient; Chromatography, DEAE-Cellulose; Chromatography, Gel; Chromatography, Ion Exchange; Dialysis; Electrophoresis, Disc; Electrophoresis, Starch Gel; Glucokinase; Hexokinase; Kinetics; Liver; Molecular Weight; Potassium; Rats; Saccharomyces cerevisiae; Spectrophotometry, Ultraviolet; Sulfhydryl Reagents; Trypsin; Ultrafiltration; Urea | 1972 |
The over-production of porphyrins by semi-anaerobic yeast.
Topics: 5-Aminolevulinate Synthetase; Ammonium Sulfate; Anaerobiosis; Cell-Free System; Detergents; Ergosterol; Glucose; Heme; Iron; Oleic Acids; Porphyrins; Saccharomyces cerevisiae; Sucrose; Urea | 1973 |
Purification and some properties of a factor (S) blocking the synthesis of covalently linked complementary sequences by deoxyribonucleic acid polymerase I.
Topics: Ammonium Sulfate; Bacterial Proteins; Base Sequence; Chlorides; Chromatography, DEAE-Cellulose; Chromatography, Gel; Deoxyribonucleases; Deoxyribonucleotides; DNA; DNA Nucleotidyltransferases; DNA Replication; DNA, Bacterial; Drug Stability; Electrophoresis, Polyacrylamide Gel; Escherichia coli; Hot Temperature; Lithium; Models, Chemical; Molecular Weight; Protein Denaturation; Sodium Dodecyl Sulfate; Urea | 1974 |
Isolation and partial characterization of an acid carboxypeptidase from yeast.
Topics: Amino Acid Sequence; Amino Acids; Amino Sugars; Ammonium Sulfate; Autolysis; Carbohydrates; Carboxypeptidases; Chemical Phenomena; Chemistry; Chromatography, DEAE-Cellulose; Chromatography, Gel; Chromatography, Ion Exchange; Cysteine; Drug Stability; Esterases; Glycoproteins; Hexoses; Hot Temperature; Hydrogen-Ion Concentration; Kinetics; Saccharomyces cerevisiae; Structure-Activity Relationship; Urea | 1974 |
Purification and properties of bacterial luciferases.
Topics: Ammonium Sulfate; Animals; Cellulose; Chemical Precipitation; Chromatography, Ion Exchange; Cross Reactions; Enzyme Activation; Hybridization, Genetic; Immune Sera; Immunodiffusion; Luciferases; Macromolecular Substances; Photobacterium; Protein Denaturation; Rabbits; Species Specificity; Urea | 1972 |
Further studies on ribulose 1,5-diphosphate carboxylase from Chromatium strain D.
Topics: Ammonium Sulfate; Animals; Antigens; Carbon Isotopes; Carboxy-Lyases; Centrifugation, Density Gradient; Chlorella; Chromatium; Chromatography, Ion Exchange; Electrophoresis, Disc; Hydrogen-Ion Concentration; Immune Sera; Immunodiffusion; Macromolecular Substances; Microscopy, Electron; Molecular Weight; Pentosephosphates; Peptides; Plants; Rabbits; Sodium Dodecyl Sulfate; Structure-Activity Relationship; Ultracentrifugation; Urea | 1972 |
Chymotrypsin inhibitor I from potatoes. Large scale preparation and characterization of its subunit components.
Topics: Amino Acids; Ammonium Sulfate; Animals; Chromatography, Gel; Chromatography, Ion Exchange; Chymotrypsin; Cross Reactions; Crystallization; Drug Stability; Electrophoresis; Formates; Guanidines; Hot Temperature; Hydrogen-Ion Concentration; Immunodiffusion; Immunoelectrophoresis; Macromolecular Substances; Molecular Weight; Plant Proteins; Plants; Rabbits; Trypsin Inhibitors; Urea | 1972 |
Some chemical and kinetic properties of oyster carbonic anhydrase.
Topics: Acetazolamide; Ammonium Sulfate; Animals; Calcium Phosphates; Carbohydrates; Carbonic Anhydrase Inhibitors; Carbonic Anhydrases; Catalysis; Centrifugation, Density Gradient; Chemical Precipitation; Chlorides; Chromatography, Gel; Chromatography, Ion Exchange; Electrophoresis; Gels; Hydrogen-Ion Concentration; Kinetics; Macromolecular Substances; Molecular Weight; Ostreidae; Urea; Zinc | 1972 |
Chromophore content of blue-green algal phycobiliproteins.
Topics: Amino Acids; Ammonium Sulfate; Bile Pigments; Centrifugation; Chromatography, DEAE-Cellulose; Color; Cyanobacteria; Dialysis; Electrophoresis, Polyacrylamide Gel; Macromolecular Substances; Molecular Weight; Peptides; Plant Proteins; Sodium Dodecyl Sulfate; Species Specificity; Spectrophotometry; Urea | 1973 |
Studies on the structure and mechanism of action of the glycogen debranching enzymes of muscle nd liver.
Topics: Ammonium Sulfate; Animals; Carbon Isotopes; Chromatography, DEAE-Cellulose; Chromatography, Ion Exchange; Electrophoresis, Polyacrylamide Gel; Glucosidases; Glucosyltransferases; Glycogen; Glycogen Synthase; Guanidines; Hydrogen-Ion Concentration; Liver; Molecular Weight; Muscles; Oligosaccharides; Protein Denaturation; Rabbits; Sodium Dodecyl Sulfate; Ultracentrifugation; Urea | 1973 |
Subunit structure of the thermophilic aminopeptidase I from Bacillus stearothermophilus.
Topics: Amino Acid Sequence; Amino Acids; Aminopeptidases; Ammonium Sulfate; Bacillus; Catalysis; Chemical Precipitation; Chromatography, Gel; Chromatography, Ion Exchange; Electrophoresis; Electrophoresis, Disc; Electrophoresis, Polyacrylamide Gel; Enzyme Activation; Macromolecular Substances; Ultracentrifugation; Urea | 1972 |
ATP: urea amidolyase (ADP) in Torulopsis utilis cultivated on ammonium sulphate as the sole nitrogen source.
Topics: Adenosine Triphosphate; Ammonium Sulfate; Candida; Culture Media; Lyases; Mitosporic Fungi; Nitrogen; Quaternary Ammonium Compounds; Urea | 1972 |
The purification of a lipoprotein lipase from bovine skim milk.
Topics: Acetone; Ammonium Sulfate; Animals; Blood; Carbohydrates; Cattle; Chemical Precipitation; Chromatography, Affinity; Electrophoresis, Disc; Enzyme Activation; Ethyl Ethers; Heparin; Lipoprotein Lipase; Milk; Molecular Weight; Sodium Chloride; Sodium Dodecyl Sulfate; Urea | 1972 |
Isolation, purification, and fractionation of nonhistone chromosomal proteins.
Topics: Amino Acids; Ammonium Sulfate; Animals; Cellulose; Chromatin; Chromatography, Affinity; Chromatography, Gel; Chromatography, Ion Exchange; Chromosomes; DNA; DNA, Bacterial; Electrophoresis, Polyacrylamide Gel; Histones; Hydrogen-Ion Concentration; Liver; Male; Protein Binding; Proteins; Rats; Sodium Dodecyl Sulfate; Spectrophotometry, Ultraviolet; Urea | 1973 |
Purification of lysosomal prolycarboxypeptidase angiotensinase C.
Topics: Ammonium Sulfate; Animals; Carboxypeptidases; Cathepsins; Chromatography; Chromatography, Ion Exchange; Drug Stability; Electrophoresis, Disc; Hot Temperature; Kidney; Kidney Cortex; Kinetics; Lysosomes; Macromolecular Substances; Mercaptoethanol; Molecular Weight; Proline; Sodium Dodecyl Sulfate; Swine; Urea | 1973 |
Polyacrylamide gel electrophoresis for the separation of serum albumin into three bands.
Topics: Adipose Tissue; Ammonium Sulfate; Animals; Blood Protein Electrophoresis; Cattle; Cells, Cultured; Chromatography, Gel; Electrophoresis, Polyacrylamide Gel; Epididymis; Evaluation Studies as Topic; Fatty Acids, Nonesterified; Hot Temperature; Kidney; Lipids; Liver; Male; Methods; Mice; Protein Binding; Protein Denaturation; Serum Albumin, Bovine; Spleen; Urea | 1973 |
Natural regulators of intracellular ribonuclease activity of Aspergillus clavatus.
Topics: Ammonium Sulfate; Aspergillus; Autolysis; Cell-Free System; Chemical Precipitation; Chromatography, DEAE-Cellulose; Chromatography, Gel; Freeze Drying; Fungal Proteins; Molecular Weight; Nucleosides; Nucleotides; Ribonucleases; RNA; Spectrophotometry; Temperature; Urea | 1973 |
Constitutive synthesis of urease in Aerobacter aerogenese PRL-R3. The effect of different nitrogenous compounds on its inhibition and formation.
Topics: Allantoin; Alloxan; Ammonium Sulfate; Barbiturates; Cell Membrane Permeability; Enterobacter; Enzyme Induction; Enzyme Repression; Orotic Acid; Uracil; Urea; Urease; Xanthines | 1973 |
A simple biuret method for the estimation of protein in samples containing detergents.
Topics: Ammonium Sulfate; Animals; Cattle; Colorimetry; Detergents; Guanidines; Hydroxylamines; Methods; Phospholipids; Propylene Glycols; Proteins; Serum Albumin, Bovine; Surface-Active Agents; Urea; Vitamin A | 1973 |
Acid ribonuclease from wheat germ: purification, properties and specificity.
Topics: Ammonium Sulfate; Catalysis; Cations, Divalent; Chemical Phenomena; Chemical Precipitation; Chemistry; Chromatography; Chromatography, DEAE-Cellulose; Chromatography, Gel; Chromatography, Ion Exchange; Drug Stability; Hydrogen-Ion Concentration; Hydrolysis; Hydroxyapatites; Molecular Weight; Plants; Ribonucleases; Silver; Structure-Activity Relationship; Temperature; Triticum; Urea | 1973 |
Effect of urea on the solubility of bovine beta-lactoglobulins.
Topics: Acetates; Ammonium Sulfate; Animals; Cattle; Chemical Phenomena; Chemistry; Ethylmaleimide; Hydrogen-Ion Concentration; Lactoglobulins; Protein Denaturation; Sodium; Solubility; Time Factors; Urea; Water | 1973 |
Separation of structural proteins of bovine viral diarrhea virus after degradation by different splitting techniques. Brief report.
Topics: Ammonium Sulfate; Animals; Bovine Virus Diarrhea-Mucosal Disease; Cattle; Cattle Diseases; Centrifugation, Density Gradient; Chemical Precipitation; Chromatography, Gel; Electrophoresis, Polyacrylamide Gel; Ethyl Ethers; Methods; Protein Denaturation; RNA Viruses; Surface-Active Agents; Ultracentrifugation; Urea; Viral Proteins; Virus Diseases | 1973 |
[The biosynthesis of glucanases and mannanases, going into a lytic complex, by a heat tolerant strain of Actinomyces griseinus 11].
Topics: Amino Acids; Ammonium Chloride; Ammonium Sulfate; Calcium; Carbohydrates; Culture Media; Glycoside Hydrolases; Mannose; Nitrates; Peptones; Phosphates; Polysaccharides; Potassium; Quaternary Ammonium Compounds; Sodium; Streptomyces; Urea; Vitamins | 1974 |
A human liver aminopeptidase. The amino acid and carbohydrate content, and some physical properties of a sialic acid containing glycoprotein.
Topics: Amino Acids; Aminopeptidases; Ammonium Sulfate; Carbohydrates; Chromatography; Chromatography, DEAE-Cellulose; Chromatography, Gel; Electrophoresis; Electrophoresis, Polyacrylamide Gel; Glucosamine; Glycoproteins; Hexoses; Humans; Liver; Macromolecular Substances; Molecular Weight; Neuraminic Acids; Protein Denaturation; Sodium Dodecyl Sulfate; Spectrophotometry; Ultracentrifugation; Urea | 1974 |
Purification of male guinea pig kidney 17 beta-hydroxy-C19-steroid dehydrogenase.
Topics: Ammonium Sulfate; Animals; Chromatography, DEAE-Cellulose; Electrophoresis; Guinea Pigs; Hydroxysteroid Dehydrogenases; Isoenzymes; Kidney; Male; Molecular Weight; Protein Binding; Proteins; Sex Factors; Sodium Dodecyl Sulfate; Streptomycin; Urea | 1974 |
Growth rate of Escherichia coli at elevated temperatures: reversible inhibition of homoserine trans-succinylase.
Topics: Acyltransferases; Amino Acids; Ammonium Sulfate; Bacterial Proteins; Carbon Isotopes; Cell Fractionation; Cell-Free System; Chemical Precipitation; Coenzyme A; Culture Media; Escherichia coli; Homoserine; Hot Temperature; Leucine; Ligases; Mercaptoethanol; Methionine; Protein Denaturation; Spectrophotometry; Succinates; Urea | 1971 |
Degradation of RNA in rat reticulocytes. II. Relationship between RNase and its corresponding inhibitor in rat reticulocyte.
Topics: Ammonium Sulfate; Animals; Benzoates; Carbon Isotopes; Chemical Precipitation; Chloromercuribenzoates; Chromatography, Gel; Drug Stability; Enzyme Activation; Escherichia coli; Ferricyanides; Glutathione; Hot Temperature; Hydrogen Peroxide; Imides; Iodine; Iodoacetates; Maleates; Phosphorus Isotopes; Potassium; Protein Binding; Rats; Reticulocytes; Ribonucleases; RNA, Ribosomal; Sulfuric Acids; Urea | 1971 |
Ribosomal proteins. Isolation of proteins from 50S ribosomal subunits of Escherichia coli.
Topics: Ammonium Sulfate; Bacterial Proteins; Centrifugation, Zonal; Chemical Precipitation; Chlorides; Chromatography, Gel; Chromatography, Ion Exchange; Electrophoresis, Disc; Escherichia coli; Lithium; Ribosomes; Urea | 1971 |
Structural properties of bovine brain S-100 protein.
Topics: Alkylation; Amino Acids; Ammonium Sulfate; Animals; Benzoates; Brain; Calcium; Cattle; Chemical Precipitation; Chromatography, Gel; Chromatography, Ion Exchange; Disulfides; Immune Sera; Immunodiffusion; Iodoacetates; Kinetics; Macromolecular Substances; Magnesium; Maleates; Mercaptoethanol; Molecular Weight; Nerve Tissue Proteins; Nitro Compounds; Protein Conformation; Strontium; Sulfhydryl Compounds; Trypsin; Tryptophan; Ultracentrifugation; Urea | 1971 |
Lactobacillus plantarum exoribonuclease. Further purification and characterization.
Topics: Ammonium Sulfate; Catalysis; Chemical Precipitation; Chromatography, DEAE-Cellulose; Chromatography, Gel; Chromatography, Ion Exchange; Edetic Acid; Electrophoresis, Disc; Enzyme Activation; Lactobacillus; Magnesium; Molecular Weight; Polynucleotides; Quaternary Ammonium Compounds; Ribonucleases; RNA; Temperature; Tritium; Urea; Yeasts | 1971 |
Purification and properties of deoxythymidine kinases from the Yoshida sarcoma.
Topics: Amides; Ammonium Chloride; Ammonium Sulfate; Animals; Barium; Calcium Chloride; Chlorides; Chromatography, DEAE-Cellulose; Chromatography, Gel; Cobalt; Detergents; Guanidines; Hydrogen-Ion Concentration; Hydroxyapatites; Hydroxymercuribenzoates; Iron; Male; Manganese; Molecular Weight; Nickel; Rats; Sarcoma, Yoshida; Streptomycin; Thymidine Kinase; Thymine Nucleotides; Urea; Zinc | 1972 |
Purification and properties of phosphotransacetylase from Veillonella alcalescens.
Topics: Acyltransferases; Ammonium Sulfate; Centrifugation, Density Gradient; Chromatography, DEAE-Cellulose; Chromatography, Gel; Coenzyme A; Dicarboxylic Acids; Drug Stability; Electrophoresis; Imides; Mercaptoethanol; Molecular Weight; Peptides; Protein Denaturation; Sodium Dodecyl Sulfate; Species Specificity; Ultracentrifugation; Urea; Veillonella | 1972 |
Purification and some properties of ribonuclease from the liver of Oncorhynchus gorbusha Walb.
Topics: Ammonium Sulfate; Animals; Calcium; Chemical Precipitation; Chromatography; Chromatography, Gel; Chromatography, Ion Exchange; Copper; Drug Stability; Enzyme Activation; Hot Temperature; Hydrogen-Ion Concentration; Hydroxyapatites; Kinetics; Liver; Magnesium; Manganese; Molecular Weight; Nucleic Acid Conformation; Osmolar Concentration; Rabbits; Ribonucleases; RNA; RNA, Transfer; Saccharomyces cerevisiae; Salmon; Spectrophotometry, Ultraviolet; Structure-Activity Relationship; Urea; Zinc | 1972 |
Lactose-amino acid interactions in rations.
Topics: Amino Acids; Ammonium Sulfate; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Calcium Carbonate; Copper; Dietary Fats; Food Additives; Glutamates; Hot Temperature; Lactose; Lysine; Male; Medicago sativa; Rats; Sulfates; Swine; Urea; Zinc | 1972 |
Purification, crystallization, and subunit structure of allosteric adenosine 5'-monophosphate nucleosidase.
Topics: Adenosine Monophosphate; Allosteric Regulation; Amino Acids; Ammonium Sulfate; Azotobacter; Chemical Precipitation; Chromatography; Chromatography, Gel; Chromatography, Ion Exchange; Crystallization; Drug Stability; Electrophoresis, Disc; Hot Temperature; Hydroxyapatites; Macromolecular Substances; Molecular Weight; N-Glycosyl Hydrolases; Phosphates; Sodium Dodecyl Sulfate; Sulfates; Ultracentrifugation; Urea | 1972 |
Purification of a calcium-binding protein from pig brain.
Topics: Acetone; Amino Acids; Ammonium Sulfate; Animals; Brain; Calcium; Calcium Isotopes; Carrier Proteins; Chemical Precipitation; Chromatography, DEAE-Cellulose; Chromatography, Gel; Chromatography, Ion Exchange; Electrophoresis, Disc; Molecular Weight; Nerve Tissue Proteins; Protein Binding; Swine; Urea | 1972 |
Purification and properties of an acid deoxyribonuclease from the snail Helix aspersa Müll.
Topics: Ammonium Sulfate; Animals; Cattle; Centrifugation, Density Gradient; Chromatography, DEAE-Cellulose; Chromatography, Gel; Chromatography, Ion Exchange; Deoxyribonucleases; Electrophoresis, Disc; Hydrocarbons, Halogenated; Hydrogen-Ion Concentration; Isoelectric Focusing; Kinetics; Molecular Weight; Osmolar Concentration; Polynucleotides; Snails; Species Specificity; Spleen; Streptomycin; Temperature; Urea | 1972 |
The alteration of plasma proteins in uremia as reflected in their ability to bind digitoxin and diphenylhydantoin.
Topics: Ammonium Sulfate; Blood Proteins; Chemical Precipitation; Creatinine; Dialysis; Digitoxin; Electrophoresis; Electrophoresis, Disc; Humans; Isoelectric Focusing; Mathematics; Phenytoin; Protein Binding; Serum Albumin; Tritium; Urea; Uremia | 1972 |
Further characterization of bovine keratohyalin.
Topics: Amino Acids; Ammonium Sulfate; Animals; Calcium Chloride; Cattle; Chlorides; Dialysis; Electrophoresis, Disc; Guanidines; Hoof and Claw; Keratins; Magnesium; Microscopy, Electron; Molecular Weight; Osmolar Concentration; Phosphates; Potassium; Potassium Chloride; Proteins; RNA; Skin; Sodium Chloride; Solubility; Urea | 1972 |
Dynamic aspects of ammonia and urea metabolism in sheep.
Topics: Amino Acids; Ammonia; Ammonium Sulfate; Animals; Bacteria; Carbon Isotopes; Diet; Digestion; Female; Intestinal Absorption; Intestinal Mucosa; Liver; Models, Biological; Nitrogen; Nitrogen Isotopes; Reticulum; Rumen; Sheep; Urea | 1972 |
Improved purification procedure for rabbit muscle amylo-1,6-glucosidase-oligo-1,4 leads to 1,4-glucantransferase.
Topics: Ammonium Sulfate; Animals; Chemical Precipitation; Chromatography, DEAE-Cellulose; Chromatography, Ion Exchange; Drug Stability; Glucosyltransferases; Glycoside Hydrolases; Hydrogen-Ion Concentration; Kinetics; Methods; Multienzyme Complexes; Muscles; Phosphorylases; Protein Denaturation; Rabbits; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Urea | 1972 |
Preparation and properties of the glycogen-debranching enzyme from rabbit liver.
Topics: Ammonium Sulfate; Animals; Carbon Isotopes; Centrifugation, Density Gradient; Chromatography, DEAE-Cellulose; Chromatography, Gel; Electrophoresis, Disc; Electrophoresis, Polyacrylamide Gel; Glucosidases; Glucosyltransferases; Glycogen; Guanidines; Hot Temperature; Hydrogen-Ion Concentration; Liver; Liver Glycogen; Methods; Oligosaccharides; Phosphorylases; Polysaccharides; Rabbits; Structure-Activity Relationship; Urea | 1972 |
Beta-glucuronidase of rat liver lysosomes. Purification, properties, subunits.
Topics: Amino Acids; Ammonium Sulfate; Animals; Aspartic Acid; Cell Fractionation; Centrifugation, Density Gradient; Chemical Precipitation; Chromatography, DEAE-Cellulose; Chromatography, Gel; Chromatography, Ion Exchange; Detergents; Drug Stability; Electrophoresis, Disc; Glucuronidase; Glutamates; Hydrogen-Ion Concentration; Kinetics; Liver; Lysine; Lysosomes; Macromolecular Substances; Male; Molecular Weight; Peptides; Protein Denaturation; Rats; Rats, Inbred Strains; Sulfuric Acids; Urea | 1971 |
Rat liver omega-amidase. Purification and properties.
Topics: Acetamides; Alcohols; Amides; Amidohydrolases; Amino Acids; Ammonium Sulfate; Animals; Chemical Phenomena; Chemical Precipitation; Chemistry; Chromatography; Chromatography, DEAE-Cellulose; Chromatography, Gel; Chromatography, Ion Exchange; Esters; Glutarates; Guanidines; Hydrazines; Hydrogen-Ion Concentration; Hydrolysis; Hydroxyapatites; Iodoacetates; Ketoglutaric Acids; Kinetics; Macromolecular Substances; Methanol; Microsomes, Liver; Models, Biological; Molecular Weight; Rats; Succinates; Urea | 1971 |
Studies on metapyrocatechase. IV. Circular dichroism and optical rotatory dispersion.
Topics: Ammonium Sulfate; Aniline Compounds; Binding Sites; Borohydrides; Catechols; Chemical Phenomena; Chemistry; Chlorine; Circular Dichroism; Dialysis; Hydrogen Peroxide; Hydrogen-Ion Concentration; Iron; Mathematics; Nitro Compounds; Optical Rotatory Dispersion; Oxygenases; Phenanthrolines; Phenols; Protein Binding; Protein Conformation; Protein Denaturation; Pseudomonas; Sodium; Ultraviolet Rays; Urea | 1971 |
Multiple active forms of thrombin. II. Mechanism of production from prothrombin.
Topics: Ammonium Sulfate; Animals; Arginine; Blood Coagulation; Cattle; Chemical Phenomena; Chemical Precipitation; Chemistry; Chromatography, DEAE-Cellulose; Chromatography, Gel; Chromatography, Ion Exchange; Detergents; Disulfides; Drug Stability; Electrophoresis; Electrophoresis, Disc; Enzyme Activation; Fibrinogen; Glycerol; Guanidines; Isoelectric Focusing; Isoflurophate; Kinetics; Mercaptoethanol; Models, Biological; Molecular Weight; Oxidation-Reduction; Prothrombin; Sulfonic Acids; Sulfuric Acids; Thrombin; Toluene; Urea | 1971 |
An immunoglobulin light chain of subgroup III-1 of lambda type with a free sulfhydryl group.
Topics: Amino Acid Sequence; Ammonium Sulfate; Bence Jones Protein; Chemical Precipitation; Chromatography, Gel; Cysteine; Dansyl Compounds; Dithiothreitol; Electrophoresis; Guanidines; Humans; Immunoglobulin G; Immunoglobulins; Iodine Isotopes; Iodoacetates; Methylation; Multiple Myeloma; Myeloma Proteins; Oxidation-Reduction; Peptides; Protein Denaturation; Sulfhydryl Compounds; Tryptophan; Tyrosine; Urea; Valine | 1971 |
Isolation and properties of -lactalbumin from various sources.
Topics: Albumins; Amino Acids; Ammonium Sulfate; Animals; Asian People; Black People; Buffaloes; Chemical Precipitation; Chromatography, DEAE-Cellulose; Chromatography, Gel; Chromatography, Paper; Dialysis; Electrophoresis; Female; Goats; Guinea Pigs; Humans; Indians, North American; Mercaptoethanol; Milk; Milk, Human; Molecular Weight; Nitrobenzenes; Oxidation-Reduction; Peptides; Sheep; Species Specificity; Spectrophotometry; Swine; Trypsin; Ultraviolet Rays; Urea; White People | 1971 |
Human liver arylamidase: molecular weight and subunit structure.
Topics: Amidohydrolases; Amino Acids; Aminohydrolases; Ammonium Sulfate; Chemical Precipitation; Chromatography; Chromatography, Gel; Diffusion; Electrophoresis, Disc; Fluorometry; Glass; Guanidines; Humans; Liver; Macromolecular Substances; Mathematics; Mercaptoethanol; Molecular Weight; Naphthalenes; Protein Denaturation; Ultracentrifugation; Urea | 1971 |
Bleaching of rhodopsin in the dark.
Topics: Ammonium Sulfate; Animals; Cattle; Chemical Phenomena; Chemical Precipitation; Chemistry; Darkness; Kinetics; Light; Radiation Effects; Retinal Pigments; Spectrophotometry; Urea | 1971 |
Calcium binding by troponin.
Topics: Acetates; Adenosine Triphosphate; Ammonium Sulfate; Animals; Binding Sites; Calcium; Calcium Isotopes; Carrier Proteins; Cattle; Chemical Precipitation; Chloromercuribenzoates; Chromatography, Gel; Chromatography, Ion Exchange; Ethylmaleimide; Glycols; Hot Temperature; Hydrogen-Ion Concentration; Magnesium; Mathematics; Muscle Proteins; Protein Binding; Rabbits; Serum Albumin, Bovine; Strontium; Urea | 1971 |
The effects of dietary urea and ammonium sulphate on the yield and composition of sheep milk.
Topics: Ammonium Sulfate; Animal Feed; Animals; Fats; Female; Lactation; Lactose; Milk; Minerals; Pregnancy; Proteins; Quaternary Ammonium Compounds; Sheep; Time Factors; Urea | 1971 |
Studies on human somatotropin. Preparation and some physico-chemical properties.
Topics: Amino Acid Sequence; Amino Acids; Ammonium Sulfate; Animals; Biological Assay; Body Weight; Carboxypeptidases; Chemical Phenomena; Chemical Precipitation; Chemistry; Chromatography, Gel; Chromatography, Paper; Disulfides; Electrophoresis; Electrophoresis, Disc; Female; Fluorine; Formates; Freeze Drying; Growth Hormone; Humans; Hydrogen-Ion Concentration; Hypophysectomy; Isoflurophate; Macromolecular Substances; Molecular Weight; Nitrobenzenes; Oxidation-Reduction; Polarography; Polymers; Rats; Spectrophotometry; Tryptophan; Tyrosine; Ultraviolet Rays; Urea | 1969 |
Inhibition of nitrification in soils treated with pig slurry.
Topics: Ammonium Sulfate; Animals; Azides; Chemical Phenomena; Chemistry; Hydrogen-Ion Concentration; Nitrogen; Sewage; Soil; Swine; Urea | 1980 |
Activation of chicken liver dihydrofolate reductase in concentrated urea solutions.
Topics: Ammonium Sulfate; Animals; Binding Sites; Chickens; Enzyme Activation; Fluorescence; Liver; Protein Conformation; Solutions; Tetrahydrofolate Dehydrogenase; Urea | 1995 |
Refolding and reassembly of active chaperonin GroEL after denaturation.
Topics: Ammonium Sulfate; Animals; Cattle; Chaperonin 60; Escherichia coli; Magnesium; Nucleotides; Protein Denaturation; Protein Folding; Thiosulfate Sulfurtransferase; Urea | 1995 |
Van Gieson's picrofuchsin. The staining mechanisms for collagen and cytoplasm, and an examination of the dye diffusion rate model of differential staining.
Topics: Ammonium Sulfate; Animals; Collagen; Cytoplasm; Dialysis; Diffusion; Electrophoresis, Polyacrylamide Gel; Guinea Pigs; Intestines; Models, Chemical; Pancreas; Phosphotungstic Acid; Protein Binding; Proteins; Rosaniline Dyes; Skin; Sodium Dodecyl Sulfate; Solvents; Spectrophotometry; Staining and Labeling; Swine; Urea | 1993 |
Utilization of the bone/liver alkaline phosphatase activity ratio in blood plasma as an indicator of ascorbate deficiency in salmonid fish.
Topics: Alkaline Phosphatase; Ammonium Sulfate; Animals; Ascorbic Acid Deficiency; Bone and Bones; Chemical Precipitation; Enzyme Stability; Fish Diseases; Hot Temperature; Isoenzymes; Kidney; Liver; Oncorhynchus mykiss; Urea | 1996 |
Effect of additives on the renaturation of reduced lysozyme in the presence of 4 M urea.
Topics: Acetylglucosamine; Ammonium Sulfate; Animals; Buffers; Chickens; Enzyme Stability; Glucose; Glycerol; Muramidase; Protein Denaturation; Sarcosine; Solubility; Urea | 1996 |
Growth requirements and nitrogen metabolism of Malassezia furfur.
Topics: Allantoin; Amino Acids; Ammonium Chloride; Ammonium Sulfate; Cell Division; Creatine; Creatinine; Culture Media; Malassezia; Nitrates; Nitrogen; Phosphates; Potassium Compounds; Sepsis; Species Specificity; Urea; Uric Acid | 1998 |
Detection of disulfide bonds in bovine brain tubulin and their role in protein folding and microtubule assembly in vitro: a novel disulfide detection approach.
Topics: Ammonium Sulfate; Animals; Brain Chemistry; Cattle; Colchicine; Cysteine; Disulfides; Dithiothreitol; Microtubules; Protein Binding; Protein Conformation; Protein Denaturation; Protein Folding; Reducing Agents; Spectrometry, Fluorescence; Tryptophan; Tubulin; Urea | 2001 |
Stability of HAMLET--a kinetically trapped alpha-lactalbumin oleic acid complex.
Topics: Ammonium Sulfate; Animals; Apoproteins; Apoptosis; Calcium; Calorimetry, Differential Scanning; Cattle; Cell Survival; Chemistry; Chromatography, Ion Exchange; Circular Dichroism; Electrophoresis, Agar Gel; Hot Temperature; Humans; Kinetics; Lactalbumin; Magnetic Resonance Spectroscopy; Milk; Milk Proteins; Models, Chemical; Oleic Acid; Protein Binding; Protein Conformation; Protein Denaturation; Protein Folding; Proteomics; Spectrometry, Fluorescence; Temperature; Thermodynamics; Ultraviolet Rays; Urea | 2005 |
Optimizing the medium components in bioemulsifiers production by Candida lipolytica with response surface method.
Topics: Algorithms; Ammonium Sulfate; Analysis of Variance; Candida; Culture Media; Excipients; Fermentation; Phosphates; Potassium Compounds; Urea | 2006 |
Effect of the addition of nitrogen sources to cassava fiber and carbon-to-nitrogen ratios on Agaricus brasiliensis growth.
Topics: Agaricus; Agriculture; Ammonium Sulfate; Brazil; Carbon; Manihot; Mycelium; Nitrogen; Soil; Urea | 2007 |
Effects of a new nitrification inhibitor 3,4-dimethylpyrazole phosphate (DMPP) on nitrate and potassium leaching in two soils.
Topics: Ammonium Sulfate; Fertilizers; Nitrates; Potassium; Pyrazoles; Quaternary Ammonium Compounds; Soil Pollutants; Urea; Water Pollution | 2007 |
Polychlorinated biphenyls emission from a medical waste incinerator in China.
Topics: Air Pollution; Ammonium Sulfate; China; Gases; Incineration; Medical Waste Disposal; Polychlorinated Biphenyls; Sulfur; Tandem Mass Spectrometry; Urea | 2009 |
Nitrogen source optimization for cellulase production by Penicillium funiculosum, using a sequential experimental design methodology and the desirability function.
Topics: Ammonium Sulfate; Biotechnology; Cell Extracts; Cellulase; Cellulose; Culture Media; Fermentation; Lignin; Nitrogen; Penicillium; Peptones; Protein Engineering; Research Design; Saccharum; Urea | 2010 |
Effect of nitrogen fertilization on methane oxidation, abundance, community structure, and gene expression of methanotrophs in the rice rhizosphere.
Topics: Ammonium Sulfate; DNA Fingerprinting; DNA, Bacterial; Fertilizers; Gene Expression Regulation, Bacterial; Genes, Bacterial; Methane; Methylococcaceae; Nitrogen; Oryza; Oxidation-Reduction; Oxygenases; Phosphorus Compounds; Phylogeny; Plant Roots; Polymorphism, Restriction Fragment Length; Potassium; Rhizosphere; Soil; Soil Microbiology; Urea | 2010 |
Effects of urea on the cattle tick Rhipicephalus (Boophilus) microplus (Acari: Ixodidae).
Topics: Acaricides; Ammonium Sulfate; Animals; Female; Fertilizers; Poaceae; Rhipicephalus; Urea | 2010 |
Pichia fermentans dimorphic changes depend on the nitrogen source.
Topics: Alcohols; Ammonium Sulfate; Culture Media; Hydrogen-Ion Concentration; Hyphae; Nitrogen; Phosphates; Pichia; Urea | 2012 |
Effects of urea and (NH4)2SO4 on nitrification and acidification of Ultisols from southern China.
Topics: Acids; Ammonium Sulfate; Archaea; Bacteria; China; Genes, Archaeal; Genes, Bacterial; Hydrogen-Ion Concentration; Nitrification; Nitrogen; Oxidation-Reduction; Quaternary Ammonium Compounds; Soil; Soil Microbiology; Urea | 2012 |
Hepatitis E virus capsid protein assembles in 4M urea in the presence of salts.
Topics: Ammonium Chloride; Ammonium Sulfate; Capsid Proteins; Hepatitis E virus; Hydrophobic and Hydrophilic Interactions; Indicators and Reagents; Kinetics; Mutant Proteins; Osmolar Concentration; Particle Size; Peptide Fragments; Protein Interaction Domains and Motifs; Protein Refolding; Protein Stability; Protein Unfolding; Recombinant Proteins; Sodium Chloride; Sulfates; Temperature; Urea | 2013 |
Ammonia oxidation pathways and nitrifier denitrification are significant sources of N2O and NO under low oxygen availability.
Topics: Air Pollution; Ammonium Sulfate; Analysis of Variance; Atmosphere; Chromatography, Gas; Colorimetry; Denitrification; Nitric Oxide; Nitrification; Nitrous Oxide; Oxidation-Reduction; Oxygen; Soil; Urea | 2013 |
[Effect of nitrogen source on gene expression of first steps of methanol utilization pathway in Pichia pastoris].
Topics: Acid Phosphatase; Alcohol Oxidoreductases; Ammonium Sulfate; Catalase; Fungal Proteins; Gene Expression Regulation, Fungal; Glutamine; Methanol; Nitrogen; Pichia; Promoter Regions, Genetic; Saccharomyces cerevisiae Proteins; Urea | 2013 |
Is it possible to screen for milk or whey protein adulteration with melamine, urea and ammonium sulphate, combining Kjeldahl and classical spectrophotometric methods?
Topics: Ammonium Sulfate; Animals; Cattle; Chemistry Techniques, Analytical; Food Contamination; Milk; Milk Proteins; Spectrophotometry; Triazines; Urea; Whey Proteins | 2013 |
[Inhibition of chlorobenzene formation via various routes during waste incineration by ammonium sulfate and urea].
Topics: Ammonium Sulfate; Benzofurans; Chlorobenzenes; Coal Ash; Dioxins; Hexachlorobenzene; Incineration; Polymers; Urea | 2014 |
A novel function of controlled-release nitrogen fertilizers.
Topics: Ammonium Sulfate; Delayed-Action Preparations; Fertilizers; Nitrogen; Soil; Urea | 2014 |
Effect of ammonium sulfate and urea on PCDD/F formation from active carbon and possible mechanism of inhibition.
Topics: Ammonium Sulfate; Benzofurans; Carbon; Dibenzofurans, Polychlorinated; Polychlorinated Dibenzodioxins; Urea | 2014 |
Impact of S fertilizers on pore-water Cu dynamics and transformation in a contaminated paddy soil with various flooding periods.
Topics: Ammonium Sulfate; Copper; Fertilizers; Floods; Oryza; Porosity; Sulfur; Urea; Water; Water Pollutants, Chemical | 2015 |
Selection and identification of oleaginous yeast isolated from soil, animal feed and ruminal fluid for use as feed supplement in dairy cattle.
Topics: Ammonium Sulfate; Animal Feed; Animals; Biomass; Cattle; Dietary Supplements; DNA, Ribosomal; Molasses; Nitrogen; Oleic Acid; Peptones; RNA, Ribosomal; Rumen; Soil; Soil Microbiology; Trichosporon; Urea | 2015 |
Development of minimal fermentation media supplementation for ethanol production using two Saccharomyces cerevisiae strains.
Topics: Ammonium Sulfate; Culture Media; Ethanol; Fermentation; Glucose; Nitrogen; Saccharomyces cerevisiae; Salts; Urea; Vitamins | 2016 |
Titanium Dioxide Photocatalytic Polymerization of Acrylamide for Gel Electrophoresis (TIPPAGE) of Proteins and Structural Identification by Mass Spectrometry.
Topics: Acrylamide; Ammonium Sulfate; Animals; Caseins; Electrophoresis, Polyacrylamide Gel; Ethylenediamines; Histones; Liver; Mass Spectrometry; Octoxynol; Phosphorylation; Photochemical Processes; Polymerization; Pyronine; Rats; Titanium; Ultraviolet Rays; Urea | 2016 |
Study on pyrolysis characteristics of lignocellulosic biomass impregnated with ammonia source.
Topics: Acetates; Ammonia; Ammonium Sulfate; Biomass; Carbon Monoxide; Charcoal; Fertilizers; Heterocyclic Compounds; Hydrogen; Lignin; Oryza; Phenols; Urea | 2016 |
Nitrogen treatment enhances sterols and withaferin A through transcriptional activation of jasmonate pathway, WRKY transcription factors, and biosynthesis genes in Withania somnifera (L.) Dunal.
Topics: Ammonium Sulfate; Biosynthetic Pathways; Cyclopentanes; Dimethyl Sulfoxide; Gene Expression Profiling; Gene Expression Regulation, Plant; Genes, Plant; Nitrogen; Oxylipins; Phosphorus; Plant Proteins; Potassium; Reactive Oxygen Species; Sterols; Transcription Factors; Transcriptional Activation; Urea; Withania; Withanolides | 2017 |
Screening for Adulterants in Liquid Milk Using a Portable Raman Miniature Spectrometer with Immersion Probe.
Topics: Ammonium Sulfate; Animals; Food Contamination; Guanidines; Limit of Detection; Milk; Reproducibility of Results; Spectrum Analysis, Raman; Sucrose; Triazines; Urea | 2017 |
Disassembly/reassembly strategy for the production of highly pure GroEL, a tetradecameric supramolecular machine, suitable for quantitative NMR, EPR and mutational studies.
Topics: Ammonium Sulfate; Chaperonin 60; Chromatography, Gel; Chromatography, Ion Exchange; Escherichia coli; Escherichia coli Proteins; Gene Expression; Nitrogen Isotopes; Nuclear Magnetic Resonance, Biomolecular; Point Mutation; Protein Multimerization; Recombinant Proteins; Streptomycin; Urea | 2018 |
SERS detection of urea and ammonium sulfate adulterants in milk with coffee ring effect.
Topics: Ammonium Sulfate; Animals; Gold; Metal Nanoparticles; Milk; Silver; Spectrum Analysis, Raman; Surface Properties; Urea | 2019 |
The responses of cadmium phytotoxicity in rice and the microbial community in contaminated paddy soils for the application of different long-term N fertilizers.
Topics: Acidobacteria; Actinobacteria; Ammonium Chloride; Ammonium Sulfate; Ascomycota; Bacteria; Cadmium; China; Edible Grain; Environmental Pollution; Fertilizers; Gammaproteobacteria; Microbiota; Oryza; Phosphates; Phylogeny; Plant Roots; Soil; Soil Microbiology; Soil Pollutants; Urea | 2020 |
Evidence for chaotropicity/kosmotropicity offset in a yeast growth model.
Topics: Ammonium Sulfate; Betaine; Biofuels; Culture Media; Entropy; Ethanol; Fermentation; Glycerol; Models, Biological; Saccharomyces cerevisiae; Urea | 2019 |
A buffered media system for yeast batch culture growth.
Topics: Ammonium Sulfate; Culture Media; Industrial Microbiology; Urea; Yeasts | 2021 |
Synthesis of a novel superabsorbent with slow-release urea fertilizer using modified cellulose as a grafting agent and flexible copolymer.
Topics: Acrylamides; Acrylates; Adsorption; Ammonium Sulfate; Cellulose; Diffusion; Elements; Fabaceae; Fertilizers; Hydrogen-Ion Concentration; Kinetics; Oxidation-Reduction; Rheology; Salts; Soil; Solutions; Spectroscopy, Fourier Transform Infrared; Temperature; Thermogravimetry; Urea; Water | 2021 |
Performance of conventional and enhanced-efficiency nitrogen fertilizers on potato tuber mineral composition and marketability.
Topics: Ammonium Sulfate; Dimethylphenylpiperazinium Iodide; Fertilizers; Minerals; Nitrogen; Soil; Solanum tuberosum; Urea | 2022 |
Investigating purification and activity analysis of urease enzyme extracted from jack bean source: A green chemistry approach.
Topics: Ammonium Sulfate; Electrophoresis, Polyacrylamide Gel; Plants; Urea; Urease | 2022 |
[Effects of Combined Application of Different Nitrogen Fertilizers and Biochar on Cadmium Uptake by Pakchoi (
Topics: Ammonium Sulfate; Brassica; Cadmium; Fertilizers; Nitrogen; Soil; Urea | 2023 |