urea has been researched along with deuterium in 93 studies
Timeframe | Studies, this research(%) | All Research% |
---|---|---|
pre-1990 | 49 (52.69) | 18.7374 |
1990's | 18 (19.35) | 18.2507 |
2000's | 22 (23.66) | 29.6817 |
2010's | 4 (4.30) | 24.3611 |
2020's | 0 (0.00) | 2.80 |
Authors | Studies |
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Grossberg, SE; Jariwalla, RJ; Sedmak, JJ | 1 |
Cabbat, FS; Heikkila, RE | 1 |
Elbaum, D; Nagel, RL; Roth, EF | 1 |
Code, CF; Jones, JD; McGill, DB; Nelson, RA; Wahner, HW | 1 |
Blix, AS; Nordøy, ES; Råheim, A; Stijfhoorn, DE | 1 |
Effros, RM; Hacker, A; Murphy, C; Ozker, K | 1 |
Hatano, M; Inoue, M; Maeda, H; Takahashi, S | 1 |
Bârzu, O; Danchin, A; Gilles, AM; Glaser, P; Kansal, VK; Labruyère, E; Mock, M; Munier, H; Sarfati, RS | 1 |
Bas, P; Chilliard, Y; Morand-Fehr, P; Sauvant, D; Schmidely, P | 1 |
Avilés, FX; Crane-Robinson, C; Turner, CH; Vendrell, J; Vilanova, M | 1 |
Creighton, DJ; Pourmotabbed, T; Shih, MJ | 1 |
Boulot, S; Doreau, M; Geerken, C | 1 |
Doreau, M; Geerken, CM; Robelin, J | 1 |
Mitchell, AD; Steele, NC | 1 |
Guilford, H; Scott, JE | 1 |
Hardy, RW; Jackson, EK; Parshall, GW | 1 |
Abrams, A; Schnebli, HP; Vatter, AE | 1 |
Dolin, MI | 1 |
Catterall, WA; Hollis, DP; Walter, CF | 1 |
Brown, B; Hollis, D; McDonald, G; Walter, C | 1 |
McDonald, CC; Phillips, WD | 1 |
Garewal, HS; Wasserman, AR | 1 |
Benz, FW; Roberts, GC | 1 |
Cunnion, SO; Santi, DV | 1 |
Lindskog, S; Nilsson, A | 1 |
Karplus, S; Snyder, GH; Sykes, BD | 1 |
Arrio, B; Hill, M; Parquet, C | 1 |
Singh, D; Squire, PG | 1 |
Benz, FW; Roberts, GC; Sadler, PJ | 1 |
Abaturov, LV; Ginodman, LM; Varshavskiĭ, IaM | 1 |
Huber, RE; Wickson, VM | 1 |
Kuehn, GD; McFadden, BA | 1 |
Cammarano, P; Gualerzi, C | 1 |
Garcia, H; Keefer, L; Lijinsky, W; Loo, J; Ross, AE | 1 |
Mori, KF | 1 |
Hakim, AA; Lender, EJ; Lifson, N | 1 |
Chandan, RC; Chapman, D; Cullen, J | 1 |
Cann, JR | 1 |
Auborn, JJ; Eyring, EM; Lang, J | 1 |
Evans, MT; Irons, L; Petty, JH | 1 |
Oudejans, RC; Van der Horst, DJ; Van Dongen, JP | 1 |
Appel, P; Brown, WD | 1 |
Herskovits, TT; Laskowski, M; Menendez, CJ | 1 |
Glasel, JA | 1 |
Cambiaso, CL; Dellacha, JM; Paladini, AC; Retegui, LA; Santomé, JA | 1 |
Banks, TE; Shafer, JA | 1 |
Herskovits, TT; Sorensen, M | 1 |
Daly, J; Jerina, D; Witkop, B | 1 |
Herskovits, TT | 1 |
Berns, DS; Holohan, P; Scott, E | 1 |
Hanai, T; Haydon, DA | 1 |
MacColl, R | 1 |
Ajami, A; Branch, S; Burke, JF; Castillo, L; Chapman, TE; Young, VR; Yu, YM | 1 |
Ajami, AM; Burke, JF; Castillo, L; Chapman, TE; Sanchez, M; Vogt, J; Young, VR; Yu, YM | 1 |
Baum, J; Bracken, C; Fan, P | 1 |
Shortle, D; Wang, Y | 1 |
Adler, G; Albuszies, G; Beckh, KH; Ensinger, H; Geisser, W; Georgieff, M; Schricker, T; Weidenbach, H | 1 |
Aarsland, A; Phillips, SM; Tipton, KD; Wolf, SE; Wolfe, RR | 1 |
Era, S; Koseki, T; Nagai, N; Sogami, M | 1 |
Klein, S; Patterson, BW; Zhao, G | 1 |
Augustin, LS; Jeffcoat, R; Jenkins, DJ; Kendall, CW; Mehling, CC; Vidgen, E; Vuksan, V; Waring, S; Wong, E; Würsch, P | 1 |
Del Rosario, M; Frazer, M; Jahoor, F; Reeds, PJ; Wykes, L | 1 |
Pereira, P; Raguso, CA; Young, VR | 1 |
Deng, Y; Smith, DL | 1 |
Chen, J; Smith, DL | 1 |
Hsieh, H; Kumar, TK; Samuel, D; Srimathi, T; Yu, C | 1 |
Shi, D; Thompson, MM; Tuchman, M; Yu, X | 1 |
Frieden, C; Hodsdon, ME | 1 |
Batt, CA; Goto, Y; Hoshino, M; Kamikubo, H; Katou, H | 1 |
Kim, PS; Sia, SK | 1 |
Houliston, RS; Liu, C; Meiering, EM; Singh, LM | 1 |
Devapatla, S; Gruca, L; Hanson, RW; Kalhan, SC; O'Brien, AM; Parimi, PS | 1 |
Børsheim, E; Tipton, KD; Wolf, SE; Wolfe, RR | 1 |
Chi, YH; Chiu, IM; Kathir, KM; Kumar, TK; Lin, DH; Yu, C; Zhu, G | 1 |
Fitzgerald, MC; Powell, KD | 1 |
Bolen, DW; Qu, Y | 1 |
Elia, M; Gibney, ER; Jebb, S; Murgatroyd, P; Wright, A | 1 |
LWOFF, A | 1 |
OZOLS, J; STRITTMATTER, P | 1 |
BISHOP, VS; GUYTON, AC; TAYLOR, AE | 1 |
Flakoll, PJ; Gritter, N; Hakim, RM; Hariachar, S; Himmelfarb, J; Ikizler, TA; Kanagasundaram, NS; Knights, S; Paganini, E; Sezer, MT; Shyr, Y | 1 |
Ball, RO; Pencharz, PB; Shoveller, AK; Urschel, KL | 1 |
Cranendonk, A; de Boo, HA; Harding, JE; Kulik, W; Lafeber, HN | 1 |
Frieden, C; Li, H | 1 |
Gu, Z; Matthews, CR; Zitzewitz, JA | 1 |
Bothner, B; Hilmer, JK; Zlotnick, A | 1 |
Matthews, CR; Vadrevu, R; Wu, Y | 1 |
Cloetens, L; De Loor, H; De Preter, V; Rutgeerts, P; Verbeke, K | 1 |
Albertino, A; Mesnard, F; Molinie, R; Qi, H; Sauer, PE; Schimmelmann, A | 1 |
Buchanan, LE; Carr, JK; Schmidt, JR; Skinner, JL; Zanni, MT | 1 |
Bacskay, G; Chapman, BE; Håkansson, P; Hush, NS; Kuchel, PW; Naumann, C; Shishmarev, D | 1 |
Aichholz, R; Blanz, J; Blasco, F; Caravatti, G; Fairhurst, RA; Fritsch, C; Guagnano, V; Maira, SM; Schnell, C; Seiler, FH; Wipfli, P | 1 |
Gamliel, A; Gomori, JM; Harris, T; Katz-Brull, R; Nardi-Schreiber, A; Sosna, J; Uppala, S | 1 |
4 trial(s) available for urea and deuterium
Article | Year |
---|---|
Physiological effects of resistant starches on fecal bulk, short chain fatty acids, blood lipids and glycemic index.
Topics: Adult; Amylose; Blood Glucose; Breath Tests; Cross-Over Studies; Deuterium; Dietary Carbohydrates; Energy Intake; Fatty Acids; Feces; Female; Humans; Lipids; Male; Methane; Middle Aged; Starch; Urea | 1998 |
A tracer investigation of obligatory oxidative amino acid losses in healthy, young adults.
Topics: Adult; Amino Acids, Essential; Carbon Dioxide; Carbon Isotopes; Deuterium; Diet, Protein-Restricted; Gas Chromatography-Mass Spectrometry; Humans; Keto Acids; Leucine; Methionine; Nitrogen Isotopes; Oxidation-Reduction; Urea | 1999 |
Urea space and total body water measurements by stable isotopes in patients with acute renal failure.
Topics: Acute Kidney Injury; Aged; Body Water; Carbon Isotopes; Deuterium; Electric Impedance; Female; Humans; Male; Middle Aged; Prospective Studies; Radionuclide Imaging; Urea | 2004 |
Does the biomarker 15N-lactose ureide allow to estimate the site of fermentation of resistant starch?
Topics: Adult; Biomarkers; Colon; Cross-Over Studies; Deuterium; Feces; Female; Fermentation; Humans; Kinetics; Lactose; Male; Mass Spectrometry; Nitrogen Isotopes; Probiotics; Starch; Triticum; Urea; Urinalysis | 2008 |
89 other study(ies) available for urea and deuterium
Article | Year |
---|---|
Effect of chaotropic salts and protein denaturants on the thermal stability of mouse fibroblast interferon.
Topics: Deuterium; Drug Stability; Guanidines; Hot Temperature; Hydrogen-Ion Concentration; Interferons; L Cells; Molecular Weight; Newcastle disease virus; Salts; Sodium; Urea | 1977 |
Chemiluminescence from 6-hydroxydopamine: involvement of hydrogen peroxide, the superoxide radical and the hydroxyl radical, a potential role for singlet oxygen.
Topics: Benzoates; Bridged Bicyclo Compounds; Catalase; Chemical Phenomena; Chemistry; Deuterium; Ethanol; Free Radicals; Hydrogen Peroxide; Hydroxydopamines; Luminescent Measurements; Mannitol; Oxidation-Reduction; Oxygen; Quinones; Serum Albumin, Bovine; Superoxide Dismutase; Superoxides; Thiourea; Time Factors; Urea | 1977 |
Observations on the mechanical precipitation of oxy Hb S and other mutants.
Topics: Carbon Radioisotopes; Chemical Precipitation; Deuterium; Fetal Hemoglobin; Hemoglobin, Sickle; Hemoglobins; Hemoglobins, Abnormal; Hemolysis; Heterozygote; Humans; Hydrogen-Ion Concentration; Mercuribenzoates; Mutation; Oxyhemoglobins; Parabens; Urea | 1975 |
Nitrogen metabolism in bears: urea metabolism in summer starvation and in winter sleep and role of urinary bladder in water and nitrogen conservation.
Topics: Animals; Arginase; Body Water; Body Weight; Carbon Radioisotopes; Carnivora; Dehydration; Deuterium; Hibernation; Hypothermia, Induced; Liver; Nitrogen; Seasons; Sleep; Starvation; Urea; Uremia; Urinary Bladder; Water; Water-Electrolyte Balance | 1975 |
Water flux and early signs of entrance into phase III of fasting in grey seal pups.
Topics: Animals; Body Water; Deuterium; Deuterium Oxide; Fasting; Female; Male; Osmosis; Seals, Earless; Urea; Water; Water-Electrolyte Balance | 1992 |
Kinetics of urea exchange in air-filled and fluid-filled rat lungs.
Topics: Air; Animals; Biological Transport; Blood Vessels; Deuterium; Deuterium Oxide; Kinetics; Lung; Pulmonary Circulation; Rats; Rats, Sprague-Dawley; Serum Albumin; Sodium Chloride; Technetium Tc 99m Pentetate; Thiourea; Urea; Water | 1992 |
An approach to optimal dialysis using urea kinetic modeling.
Topics: Acrylic Resins; Adult; Atrial Natriuretic Factor; Body Water; Body Weight; Deuterium; Deuterium Oxide; Erythropoietin; Female; Humans; Male; Membranes, Artificial; Middle Aged; Renal Dialysis; Time Factors; Urea; Water | 1991 |
Binding of 3'-anthraniloyl-2'-deoxy-ATP to calmodulin-activated adenylate cyclase from Bordetella pertussis and Bacillus anthracis.
Topics: Adenosine Triphosphate; Adenylyl Cyclase Inhibitors; Adenylyl Cyclases; Bacillus anthracis; Binding Sites; Binding, Competitive; Bordetella pertussis; Calmodulin; Deuterium; Deuterium Oxide; Hydrogen-Ion Concentration; Kinetics; Magnetic Resonance Spectroscopy; ortho-Aminobenzoates; Spectrometry, Fluorescence; Urea; Water | 1990 |
[In vivo estimation of body lipid content of lactating goats based on the heavy water or the urea methods].
Topics: Animals; Body Fluid Compartments; Deuterium; Female; Goats; Lactation; Likelihood Functions; Lipid Metabolism; Urea | 1990 |
1H-n.m.r. studies of the isolated activation segment from pig procarboxypeptidase A.
Topics: Animals; Carboxypeptidases; Carboxypeptidases A; Chemical Phenomena; Chemistry; Deuterium; Enzyme Activation; Enzyme Precursors; Histidine; Hot Temperature; Hydrogen-Ion Concentration; Iodine; Kinetics; Magnetic Resonance Spectroscopy; Osmolar Concentration; Pancreas; Peptide Fragments; Protein Conformation; Protein Denaturation; Swine; Tritium; Tyrosine; Urea | 1990 |
Bovine liver formaldehyde dehydrogenase. Kinetic and molecular properties.
Topics: Aldehyde Oxidoreductases; Animals; Binding Sites; Catalysis; Cattle; Deuterium; Guanidine; Guanidines; Humans; Isoelectric Point; Isoenzymes; Kinetics; Liver; Molecular Weight; NAD; Protein Denaturation; Urea | 1989 |
The use of urea as a marker of body water in the nursing foal.
Topics: Animals; Animals, Suckling; Body Water; Deuterium; Deuterium Oxide; Horses; Urea; Water | 1988 |
[Utilization of urea as a marker for body water in the cow, in comparison with heavy water].
Topics: Animals; Body Water; Cattle; Deuterium; Deuterium Oxide; Female; Urea; Water | 1988 |
Comparison of urea space, deuterium oxide space and body composition in growing pigs.
Topics: Animals; Body Composition; Body Water; Body Weight; Deuterium; Deuterium Oxide; Dietary Proteins; Kinetics; Swine; Tritium; Urea; Water | 1987 |
Alcian blue 8GX. Investigation of structural details using nuclear magnetic resonance and mass spectrometry.
Topics: Coloring Agents; Copper; Deuterium; Dioxins; Magnetic Resonance Spectroscopy; Mass Spectrometry; Methylation; Nitriles; Pyrroles; Staining and Labeling; Thiourea; Urea | 1972 |
Hydrogen reactions of nitrogenase. Formation of the molecule HD by nitrogenase and by an inorganic model.
Topics: Adenosine Triphosphatases; Ammonia; Azotobacter; Binding Sites; Cell-Free System; Deuterium; Hydrazines; Hydrogen; Imides; Models, Biological; Nitrogen; Nitrogen Fixation; Oxidoreductases; Partial Pressure; Platinum; Protons; Radioisotopes; Urea; Water | 1968 |
Membrane adenosine triphosphatase from Streptococcus faecalis. Molecular weight, subunit structure, and amino acid composition.
Topics: Acrylates; Adenosine Triphosphatases; Amino Acids; Cell Membrane; Chemical Phenomena; Chemistry; Deuterium; Electrophoresis; Enterococcus faecalis; Fluorine; Gels; Guanidines; Microscopy, Electron; Models, Structural; Molecular Weight; Nitrobenzenes; Tritium; Ultracentrifugation; Urea | 1970 |
Kinetics of malic-lactic transhydrogenase. Abortive complex formation with substrates and products.
Topics: Acetates; Bacteria; Carbon Isotopes; Chemical Phenomena; Chemistry; Chlorides; Deuterium; Drug Stability; Fluorescence; Fluorometry; Keto Acids; Kinetics; Lactates; Malates; NAD; Nucleotides; Oxaloacetates; Oxidoreductases; Pyruvates; Spectrophotometry; Time Factors; Urea | 1969 |
Nuclear magnetic resonance study of the conformation of nicotinamide--adenine dinucleotide and reduced nicotinamide--adenine dinucleotide in solution.
Topics: Deuterium; Hydrogen-Ion Concentration; Magnetic Resonance Spectroscopy; Methanol; NAD; Urea | 1969 |
Some effects of environment on the folding of nicotinamide-adenine dinucleotides in aqueous solutions.
Topics: Adenosine Monophosphate; Chemical Phenomena; Chemistry; Deuterium; Magnetic Resonance Spectroscopy; Mathematics; Methanol; NAD; Niacinamide; Oxidation-Reduction; Ribonucleotides; Silicon; Statistics as Topic; Sulfonic Acids; Temperature; Thermodynamics; Urea; Water | 1972 |
Proton magnetic resonance studies of horse cytochrome c.
Topics: Amino Acid Sequence; Amino Acids; Animals; Chemical Phenomena; Chemistry; Cytochrome c Group; Deuterium; Fluoroacetates; Heme; Horses; Hydrogen-Ion Concentration; Iron; Ligands; Magnetic Resonance Spectroscopy; Myocardium; Protein Conformation; Protons; Species Specificity; Temperature; Urea | 1973 |
Triton X-100-4 M urea as an extraction medium for membrane proteins. II. Molecular properties of pure cytochrome b559: a lipoprotein containing small polypeptide chains and a limited lipid composition.
Topics: Amino Acid Sequence; Amino Acids; Binding Sites; Carotenoids; Cell Membrane; Chemical Phenomena; Chemistry, Physical; Chlorophyll; Chloroplasts; Chromatography, Thin Layer; Cytochromes; Deuterium; Electrophoresis, Disc; Heme; Iron; Lipids; Macromolecular Substances; Molecular Weight; Plants; Polyethylene Glycols; Protein Binding; Protein Conformation; Spectrophotometry; Surface-Active Agents; Urea | 1974 |
Proton Fourier transform NMR studies of the unfolding of ribonuclease.
Topics: Animals; Binding Sites; Cattle; Chymotrypsin; Deuterium; Dioxins; Fourier Analysis; Guanidines; Hot Temperature; Hydrogen-Ion Concentration; Magnetic Resonance Spectroscopy; Models, Structural; Pancreas; Protein Binding; Protein Conformation; Protein Denaturation; Ribonucleases; Temperature; Trypsin; Urea | 1973 |
Macromolecular affinity labeling agents. Reaction of N-bromoacetylisoleucyl transfer ribonucleic acid with isoleucyl transfer ribonucleic acid synthetase.
Topics: Acetates; Alkylation; Amino Acyl-tRNA Synthetases; Binding Sites; Binding, Competitive; Bromine; Chemical Phenomena; Chemistry; Chromatography, Gel; Deuterium; Escherichia coli; Isoleucine; Isotope Labeling; Macromolecular Substances; Mercaptoethanol; Protein Binding; RNA, Transfer; Structure-Activity Relationship; Tritium; Urea | 1974 |
The location of tryptophanyl groups in human and bovine carbonic anhydrases. Ultraviolet difference spectra and chemical modification.
Topics: Animals; Carbonic Anhydrases; Cattle; Circular Dichroism; Crystallization; Deuterium; Dimethyl Sulfoxide; Erythrocytes; Glycerol; Glycols; Guanidines; Humans; Hydrogen-Ion Concentration; Isoenzymes; Models, Structural; Nitrobenzenes; Phenols; Polyethylenes; Protein Denaturation; Species Specificity; Spectrophotometry, Ultraviolet; Sucrose; Tryptophan; Urea | 1973 |
A nuclear magnetic resonance study of bovine pancreatic trypsin inhibitor. Tyrosine titrations and backbone NH groups.
Topics: Amines; Animals; Cattle; Chemical Phenomena; Chemistry; Deuterium; Hydrogen-Ion Concentration; Magnetic Resonance Spectroscopy; Mercaptoethanol; Pancreas; Protein Denaturation; Protons; Trypsin Inhibitors; Tyrosine; Urea | 1973 |
Luminescence of the tryptophan and tyrosine residues of trypsin.
Topics: Amino Acid Sequence; Binding Sites; Binding, Competitive; Deuterium; Fluorescence; Iodine Radioisotopes; Luminescent Measurements; Protein Conformation; Protein Denaturation; Sodium Dodecyl Sulfate; Spectrometry, Fluorescence; Structure-Activity Relationship; Temperature; Thermodynamics; Time Factors; Trypsin; Trypsin Inhibitors; Tryptophan; Tyrosine; Urea | 1973 |
Molecular weight and subunit structure of bovine adrenal glucose-6-phosphate dehydrogenase.
Topics: Adrenal Glands; Alkylation; Amino Acids; Animals; Buffers; Cattle; Chemical Phenomena; Chemistry; Crystallization; Deuterium; Diffusion; Electrophoresis, Polyacrylamide Gel; Glucosephosphate Dehydrogenase; Macromolecular Substances; Mathematics; Molecular Weight; Oxidation-Reduction; Peptides; Protein Denaturation; Sodium Dodecyl Sulfate; Ultracentrifugation; Urea | 1974 |
The effect of chloroplatinite on the 1H NMR spectrum of ribonuclease. Solvent accessibility of methionine residues.
Topics: Animals; Binding Sites; Cattle; Chlorine; Deuterium; Dioxins; Hydrogen; Hydrogen-Ion Concentration; Magnetic Resonance Spectroscopy; Methionine; Pancreas; Platinum; Protein Binding; Protein Conformation; Ribonucleases; Solvents; Urea | 1974 |
[Deuterium metabolism in pepsin and pepsinogen].
Topics: Animals; Deuterium; Enzyme Precursors; Hydrogen; Hydrogen-Ion Concentration; In Vitro Techniques; Pepsin A; Swine; Urea | 1967 |
The stability of beta galactosidase in the presence of urea.
Topics: Bile Acids and Salts; Binding Sites; Buffers; Detergents; Deuterium; Drug Stability; Escherichia coli; Ethanol; Galactosidases; Hydrogen-Ion Concentration; Lactose; Magnesium; Manganese; Mercaptoethanol; Osmolar Concentration; Sodium Chloride; Sucrose; Temperature; Urea; Water | 1969 |
Ribulose 1,5-diphosphate carboxylase from Hydrogenomonas eutropha and Hydrogenomonas facilis. II. Molecular weight, subunits, composition, and sulfhydryl groups.
Topics: Alkylation; Amino Acids; Benzoates; Carboxy-Lyases; Chemical Phenomena; Chemistry; Detergents; Deuterium; Electrophoresis, Disc; Guanidines; Molecular Weight; Pentosephosphates; Pseudomonas; Species Specificity; Sulfates; Sulfhydryl Compounds; Sulfides; Ultracentrifugation; Urea | 1969 |
Comparative electrophoretic studies on the protein of chloroplast and cytoplasmic ribosomes of spinach leaves.
Topics: Chloroplasts; Cytoplasm; Densitometry; Deuterium; Dialysis; Edetic Acid; Electrophoresis; Lithium; Magnesium; Methods; Plant Proteins; Ribosomes; Ultracentrifugation; Urea | 1969 |
Carcinogenesis and alkylation of rat liver nucleic acids by nitrosomethylurea and nitrosoethylurea administered by intraportal injection.
Topics: Alkylating Agents; Animals; Carcinogens; Chromatography, Ion Exchange; Deuterium; DNA; DNA, Neoplasm; Female; Guanine; Injections, Intravenous; Male; Mass Spectrometry; Microscopy, Electron; Neoplasms, Experimental; Nitroso Compounds; Nitrosourea Compounds; Portal Vein; Rats; RNA; RNA, Neoplasm; Urea | 1972 |
Location of tryptophyl and tyrosyl residues in human chorionic gonadotropin.
Topics: Chorionic Gonadotropin; Deuterium; Glycols; Humans; Mercaptoethanol; Protein Conformation; Spectrophotometry; Sucrose; Tryptophan; Tyrosine; Ultraviolet Rays; Urea | 1972 |
Effects of cholera toxin on intestinal permeability and transport interactions.
Topics: Animals; Arabinose; Biological Transport, Active; Cell Membrane Permeability; Deuterium; Diffusion; Dogs; Enterotoxins; Glucose; In Vitro Techniques; Intestinal Absorption; Intestinal Secretions; Intestine, Small; Jejunum; Models, Biological; Urea; Vibrio; Vibrio cholerae | 1972 |
Physicochemical analyses of the bovine milk fat globule membrane. 3. Proton magnetic resonance spectroscopy.
Topics: Acetone; Animals; Bile Acids and Salts; Cattle; Deuterium; Fats; Female; Freeze Drying; Magnetic Resonance Spectroscopy; Membranes; Methods; Milk; Oxides; Temperature; Trichloroacetic Acid; Urea | 1972 |
Cooperative interaction of aliphatic acids with ribonuclease A.
Topics: Acetates; Amides; Buffers; Butyrates; Chemical Phenomena; Chemistry; Circular Dichroism; Deuterium; Dialysis; Dioxins; Electrophoresis; Hydrogen-Ion Concentration; Mathematics; Optical Rotatory Dispersion; Osmolar Concentration; Propionates; Protein Binding; Protein Conformation; Protein Denaturation; Ribonucleases; Spectrophotometry; Temperature; Thermodynamics; Tyrosine; Ultraviolet Rays; Urea; Valerates | 1971 |
Kinetic studies of the interaction of methyl orange with beta-lactoglobulin between pH 3.7 and 2.0.
Topics: Animals; Azo Compounds; Cattle; Chemical Phenomena; Chemistry; Deuterium; Hydrogen-Ion Concentration; Indicators and Reagents; Kinetics; Lactoglobulins; Macromolecular Substances; Methylamines; Osmolar Concentration; Potassium Chloride; Protein Binding; Spectrophotometry; Sulfonic Acids; Temperature; Urea | 1971 |
Physicochemical properties of some acyl derivatives of -casein.
Topics: Acetates; Acylation; Anhydrides; Animals; Butyrates; Caseins; Cattle; Chemical Phenomena; Chemistry; Chemistry, Physical; Chromatography, DEAE-Cellulose; Deuterium; Electrophoresis; Fatty Acids; Female; Fluoroacetates; Hydrogen-Ion Concentration; Lysine; Macromolecular Substances; Magnetic Resonance Spectroscopy; Mathematics; Optical Rotatory Dispersion; Propionates; Protein Conformation; Temperature; Ultracentrifugation; Urea | 1971 |
Isolation and identification of cyclopropane fatty acids from the millipede Graphidostreptus tumuliporus (Karsch) (Myriapoda:Diplopoda).
Topics: Acetates; Animals; Arthropods; Carbon Isotopes; Chemical Phenomena; Chemical Precipitation; Chemistry; Chromatography; Chromatography, Gas; Cyclopropanes; Deuterium; Fatty Acids; Female; Infrared Rays; Magnetic Resonance Spectroscopy; Mass Spectrometry; Spectrophotometry; Urea | 1971 |
Stability characteristics of deuterated myoglobin.
Topics: Animals; Cetacea; Deuterium; Guanidines; Hydrogen-Ion Concentration; Myoglobin; Protein Conformation; Protein Denaturation; Spectrophotometry; Urea | 1971 |
Studies of the location of the tyrosyl residues in insulin. I.
Topics: Amino Acid Sequence; Animals; Cattle; Chemical Phenomena; Chemistry; Deuterium; Dimethyl Sulfoxide; Glycerol; Glycols; Hydrogen-Ion Concentration; Insulin; Methanol; Optical Rotatory Dispersion; Oxides; Peptides; Protein Denaturation; Silver; Spectrophotometry; Sucrose; Trypsin; Tyrosine; Ultraviolet Rays; Urea; Zinc | 1969 |
Deuteron magnetic relaxation studies on the solution properties of some denaturing agents and surfactants.
Topics: Acetone; Chemical Phenomena; Chemistry; Deuterium; Dimethyl Sulfoxide; Guanidines; Magnetic Resonance Spectroscopy; Protein Denaturation; Solutions; Sulfates; Surface-Active Agents; Urea | 1970 |
H-exchange behaviour and extent of reversible conformation changes in human, bovine, ovine, porcine and equine growth hormones.
Topics: Animals; Cattle; Chemical Phenomena; Chemistry; Deuterium; Dialysis; Growth Hormone; Horses; Humans; Hydrogen; Hydrogen-Ion Concentration; Kinetics; Sheep; Swine; Tritium; Urea | 1970 |
S methylation of thiols by O-methylisourea.
Topics: Acetates; Amino Acids; Chemical Phenomena; Chemistry; Cysteine; Deuterium; Dipeptides; Ethanol; Glycine; Guanidines; Hydrogen-Ion Concentration; Imidazoles; Kinetics; Lysine; Magnetic Resonance Spectroscopy; Mathematics; Mercaptoethanol; Methylation; Models, Biological; Sulfhydryl Compounds; Sulfhydryl Reagents; Time Factors; Urea | 1970 |
Studies of the location of tyrosyl and tryptophyl residues in proteins. I. Solvent perturbation data of model compounds.
Topics: Deuterium; Erythritol; Glucose; Glycerol; Glycols; Indicators and Reagents; Methanol; Muramidase; Protein Denaturation; Proteins; Ribonucleases; Spectrophotometry; Sucrose; Sulfoxides; Tryptophan; Tyrosine; Urea | 1968 |
Migration of deuterium during hydroxylation of aromatic substrates by liver microsomes. I. Influence of ring substitutents.
Topics: Anilides; Aniline Compounds; Animals; Benzene Derivatives; Benzoates; Biphenyl Compounds; Chromatography, Paper; Chromatography, Thin Layer; Deuterium; Electron Transport; Hydrogen-Ion Concentration; Liver; Male; Microsomes; Nitriles; Phenols; Rats; Toluene; Urea | 1968 |
Solvent perturbation studies of heme proteins and other colored proteins.
Topics: Animals; Catalase; Cattle; Cetacea; Cytochromes; Deuterium; Glycerol; Glycols; Heme; Hemoglobins; Horses; Hydrogen-Ion Concentration; Liver; Myoglobin; Optical Rotatory Dispersion; Solvents; Spectrum Analysis; Sucrose; Tryptophan; Tyrosine; Ultraviolet Rays; Urea; Water | 1969 |
Urease activity in blue-green algae.
Topics: Ammonia; Chemical Precipitation; Deuterium; Eukaryota; In Vitro Techniques; Urea; Urease | 1966 |
The permeability to water of bimolecular lipid membranes.
Topics: Alkanes; Deuterium; Lipids; Membranes, Artificial; Models, Theoretical; Osmosis; Permeability; Sodium Chloride; Sucrose; Urea; Water | 1966 |
Stability of allophycocyanin's quaternary structure.
Topics: Alcohols; Cyanobacteria; Deuterium; Macromolecular Substances; Phycocyanin; Pigments, Biological; Protein Conformation; Protein Denaturation; Salts; Spectrum Analysis; Thermodynamics; Urea | 1983 |
Plasma arginine kinetics in adult man: response to an arginine-free diet.
Topics: Adult; Arginine; Carbon Isotopes; Chromatography, High Pressure Liquid; Citrulline; Deuterium; Fasting; Food, Formulated; Humans; Infusions, Intravenous; Keto Acids; Leucine; Male; Nitrogen Isotopes; Ornithine; Time Factors; Urea | 1994 |
Plasma arginine and citrulline kinetics in adults given adequate and arginine-free diets.
Topics: Adult; Arginine; Carbon Isotopes; Citrulline; Deuterium; Diet; Humans; Isotope Labeling; Kinetics; Leucine; Male; Models, Biological; Urea | 1993 |
Structural characterization of monellin in the alcohol-denatured state by NMR: evidence for beta-sheet to alpha-helix conversion.
Topics: Amino Acid Sequence; Chromatography, Gel; Circular Dichroism; Deuterium; Deuterium Oxide; Ethanol; Kinetics; Magnetic Resonance Spectroscopy; Models, Molecular; Molecular Sequence Data; Plant Proteins; Protein Conformation; Protein Structure, Secondary; Urea; Water | 1993 |
A dynamic bundle of four adjacent hydrophobic segments in the denatured state of staphylococcal nuclease.
Topics: Carbon Isotopes; Chemical Phenomena; Chemistry, Physical; Circular Dichroism; Deuterium; Enzyme Stability; Hydrogen Bonding; Hydrogen-Ion Concentration; Leucine; Magnetic Resonance Spectroscopy; Micrococcal Nuclease; Models, Molecular; Mutation; Peptide Fragments; Protein Denaturation; Protein Structure, Secondary; Urea; Valine | 1996 |
[Liver urea and glucose production in patients with alcohol-induced cirrhosis].
Topics: Adult; Alanine; Amino Acids; Deuterium; Epinephrine; Glucagon; Glucose; Humans; Insulin; Liver; Liver Cirrhosis, Alcoholic; Male; Middle Aged; Nitrogen Isotopes; Norepinephrine; Urea | 1997 |
Mixed muscle protein synthesis and breakdown after resistance exercise in humans.
Topics: Adult; Biomarkers; Biopsy; Creatine Kinase; Creatinine; Deuterium; Exercise; Female; Humans; Male; Methylhistidines; Muscle Proteins; Muscle, Skeletal; Nitrogen Isotopes; Phenylalanine; Rest; Time Factors; Urea | 1997 |
Structural characterization of the molten globule and native states of ovalbumin: a 1H NMR study.
Topics: Animals; Chemical Phenomena; Chemistry, Physical; Chickens; Circular Dichroism; Deuterium; Hydrogen-Ion Concentration; Magnetic Resonance Spectroscopy; Ovalbumin; Protein Denaturation; Protein Structure, Tertiary; Urea | 1997 |
Improved accuracy and precision of gas chromatography/mass spectrometry measurements for metabolic tracers.
Topics: Adolescent; Adult; Carbon Isotopes; Deuterium; Gas Chromatography-Mass Spectrometry; Humans; Leucine; Male; Middle Aged; Nitrogen Isotopes; Osmolar Concentration; Palmitates; Urea | 1998 |
Chronic protein undernutrition and an acute inflammatory stimulus elicit different protein kinetic responses in plasma but not in muscle of piglets.
Topics: Animals; Blood Proteins; Deuterium; Dietary Proteins; Female; Fibrin; Fibrinogen; Inflammation; Insulin; Kinetics; Male; Muscle Proteins; Muscle, Skeletal; Protein Deficiency; Serum Albumin; Swine; Turpentine; Urea | 1999 |
Rate and equilibrium constants for protein unfolding and refolding determined by hydrogen exchange-mass spectrometry.
Topics: Animals; Chromatography, High Pressure Liquid; Deuterium; Fructose-Bisphosphate Aldolase; Hydrogen; In Vitro Techniques; Kinetics; Protein Denaturation; Protein Folding; Protein Structure, Tertiary; Proteins; Rabbits; Spectrometry, Mass, Electrospray Ionization; Thermodynamics; Urea | 1999 |
Unfolding and disassembly of the chaperonin GroEL occurs via a tetradecameric intermediate with a folded equatorial domain.
Topics: Amino Acid Sequence; Chaperonin 60; Chromatography, Gel; Deuterium; Deuterium Oxide; Escherichia coli; Guanidine; Kinetics; Light; Mass Spectrometry; Models, Molecular; Molecular Sequence Data; Molecular Weight; Pepsin A; Peptide Fragments; Protein Denaturation; Protein Folding; Protein Structure, Quaternary; Protein Structure, Tertiary; Scattering, Radiation; Thermodynamics; Urea | 2000 |
Identification and characterization of an equilibrium intermediate in the unfolding pathway of an all beta-barrel protein.
Topics: Anilino Naphthalenesulfonates; Chromatography; Densitometry; Deuterium; Dose-Response Relationship, Drug; Electrophoresis, Polyacrylamide Gel; Fibroblast Growth Factor 1; Fibroblast Growth Factor 2; Fluorescent Dyes; Guanidine; Heparin; Humans; Hydrogen; Kinetics; Magnetic Resonance Spectroscopy; Models, Molecular; Protein Binding; Protein Conformation; Protein Folding; Protein Structure, Secondary; Spectrometry, Fluorescence; Time Factors; Urea | 2000 |
Quantification of benzoic, phenylacetic, and phenylbutyric acids from filter-paper blood spots by gas chromatography--mass spectrometry with stable isotope dilution.
Topics: Amino Acid Metabolism, Inborn Errors; Benzoic Acid; Blood Specimen Collection; Deuterium; Gas Chromatography-Mass Spectrometry; Humans; Indicator Dilution Techniques; Paper; Phenylacetates; Phenylbutyrates; Propionates; Urea | 2001 |
Intestinal fatty acid binding protein: the folding mechanism as determined by NMR studies.
Topics: Animals; Carrier Proteins; Deuterium; Dose-Response Relationship, Drug; Fatty Acid-Binding Protein 7; Fatty Acid-Binding Proteins; Fatty Acids; Hydrogen; Hydrogen Bonding; Intestinal Mucosa; Neoplasm Proteins; Nerve Tissue Proteins; Nuclear Magnetic Resonance, Biomolecular; Protein Denaturation; Protein Folding; Protein Renaturation; Protein Structure, Secondary; Rats; Spectrometry, Fluorescence; Urea | 2001 |
Native-like beta-hairpin retained in the cold-denatured state of bovine beta-lactoglobulin.
Topics: Amino Acid Sequence; Animals; Cattle; Circular Dichroism; Cold Temperature; Deuterium; Disulfides; Kinetics; Lactoglobulins; Magnetic Resonance Spectroscopy; Models, Molecular; Molecular Sequence Data; Protein Denaturation; Protein Folding; Protein Renaturation; Protein Structure, Secondary; Protein Structure, Tertiary; Protons; Thermodynamics; Urea; X-Ray Diffraction | 2001 |
A designed protein with packing between left-handed and right-handed helices.
Topics: Amino Acid Sequence; Anilino Naphthalenesulfonates; Binding, Competitive; Circular Dichroism; Deuterium; Fluorescent Dyes; Hydrogen-Ion Concentration; Molecular Sequence Data; Nuclear Magnetic Resonance, Biomolecular; Peptide Biosynthesis; Peptides; Protein Binding; Protein Denaturation; Protein Engineering; Protein Structure, Secondary; Protons; Repetitive Sequences, Amino Acid; Ultracentrifugation; Urea | 2001 |
pH and urea dependence of amide hydrogen-deuterium exchange rates in the beta-trefoil protein hisactophilin.
Topics: Amides; Carrier Proteins; Deuterium; Hydrogen; Hydrogen-Ion Concentration; Kinetics; Microfilament Proteins; Models, Molecular; Protein Conformation; Protein Denaturation; Protozoan Proteins; Urea | 2002 |
Glutamine and leucine nitrogen kinetics and their relation to urea nitrogen in newborn infants.
Topics: Blood Urea Nitrogen; Carbon Isotopes; Deuterium; Female; Glutamine; Humans; Infant, Newborn; Infant, Small for Gestational Age; Kinetics; Leucine; Nitrogen; Nitrogen Isotopes; Phenylalanine; Pregnancy; Pregnancy in Diabetics; Urea | 2002 |
Essential amino acids and muscle protein recovery from resistance exercise.
Topics: Adult; Blood Glucose; Carbon Isotopes; Deuterium; Exercise; Female; Humans; Insulin; Leucine; Male; Muscle, Skeletal; Nitrogen Isotopes; Phenylalanine; Protein Biosynthesis; Urea | 2002 |
Investigation of the structural stability of the human acidic fibroblast growth factor by hydrogen-deuterium exchange.
Topics: Amides; Deuterium; Fibroblast Growth Factor 1; Humans; Hydrogen Bonding; Kinetics; Nuclear Magnetic Resonance, Biomolecular; Protein Conformation; Protein Denaturation; Protein Folding; Protein Structure, Secondary; Protons; Receptor Protein-Tyrosine Kinases; Receptor, Fibroblast Growth Factor, Type 1; Receptors, Fibroblast Growth Factor; Spectrometry, Fluorescence; Temperature; Thermodynamics; Urea | 2002 |
Accuracy and precision of a new H/D exchange- and mass spectrometry-based technique for measuring the thermodynamic properties of protein-peptide complexes.
Topics: Amino Acid Sequence; Calorimetry; Deuterium; Deuterium Oxide; Hydrogen; Kinetics; Ligands; Molecular Sequence Data; Peptide Fragments; Ribonuclease, Pancreatic; Ribonucleases; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; src Homology Domains; Thermodynamics; Urea | 2003 |
Hydrogen exchange kinetics of RNase A and the urea:TMAO paradigm.
Topics: Adaptation, Physiological; Binding Sites; Deuterium; Hydrogen; Hydrogen-Ion Concentration; In Vitro Techniques; Kinetics; Methylamines; Protein Denaturation; Ribonuclease, Pancreatic; Thermodynamics; Urea | 2003 |
Measurement of total energy expenditure in grossly obese women: comparison of the bicarbonate-urea method with whole-body calorimetry and free-living doubly labelled water.
Topics: Adult; Basal Metabolism; Bicarbonates; Body Mass Index; Body Water; Calorimetry, Indirect; Deuterium; Energy Metabolism; Female; Humans; Obesity; Urea | 2003 |
The thermosensitive critical event of the viral cycle.
Topics: Deuterium; Guanidines; Poliovirus; Temperature; Urea; Virus Cultivation | 1962 |
THE INTERACTION OF PORPHYRINS AND METALLOPORHYRINS WITH APOCYTOCHROME BETA-5.
Topics: Chemical Phenomena; Chemistry; Chromatography; Cobalt; Copper; Cytochromes; Deuterium; Heme; Hydrogen-Ion Concentration; Magnesium; Nickel; Porphyrins; Pyrroles; Research; Spectrophotometry; Trypsin; Urea | 1964 |
PERMEABILITY OF THE ALVEOLAR MEMBRANE TO SOLUTES.
Topics: Animals; Biological Transport; Biometry; Biophysical Phenomena; Biophysics; Deuterium; Dinitrophenols; Dogs; Glucose; Lung; Perfusion; Permeability; Potassium Isotopes; Pulmonary Alveoli; Pulmonary Edema; Research; Sodium Isotopes; Spectrophotometry; Urea | 1965 |
Arginine synthesis does not occur during first-pass hepatic metabolism in the neonatal piglet.
Topics: Amino Acids; Ammonia; Animal Feed; Animals; Animals, Newborn; Arginine; Blood Urea Nitrogen; Deuterium; Enteral Nutrition; Liver; Male; Ornithine; Proline; Random Allocation; Swine; Urea | 2005 |
Whole body protein turnover and urea production of preterm small for gestational age infants fed fortified human milk or preterm formula.
Topics: Carbon Isotopes; Deuterium; Dietary Proteins; Food, Fortified; Gas Chromatography-Mass Spectrometry; Humans; Infant Formula; Infant, Newborn; Infant, Premature; Infant, Small for Gestational Age; Milk, Human; Phenylalanine; Urea; Valine | 2005 |
Phenylalanine side chain behavior of the intestinal fatty acid-binding protein: the effect of urea on backbone and side chain stability.
Topics: Animals; Binding Sites; Crystallography, X-Ray; Deuterium; Diffusion; Dose-Response Relationship, Drug; Fatty Acid-Binding Proteins; Humans; Hydrogen; Magnetic Resonance Spectroscopy; Molecular Conformation; p-Fluorophenylalanine; Phenylalanine; Polyethylene Glycols; Protein Binding; Protein Conformation; Protein Denaturation; Protein Folding; Protein Structure, Secondary; Rats; Urea | 2005 |
Mapping the structure of folding cores in TIM barrel proteins by hydrogen exchange mass spectrometry: the roles of motif and sequence for the indole-3-glycerol phosphate synthase from Sulfolobus solfataricus.
Topics: Amino Acid Motifs; Amino Acid Sequence; Deuterium; Deuterium Exchange Measurement; Indole-3-Glycerol-Phosphate Synthase; Models, Molecular; Molecular Sequence Data; Molecular Weight; Pepsin A; Peptides; Protein Folding; Protein Structure, Secondary; Protons; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Structure-Activity Relationship; Sulfolobus solfataricus; Triose-Phosphate Isomerase; Urea | 2007 |
Conformational equilibria and rates of localized motion within hepatitis B virus capsids.
Topics: Amino Acid Sequence; Capsid Proteins; Computer Simulation; Deuterium; Dimerization; Escherichia coli; Hepatitis Viruses; Humans; Hydrogen; Hydrolysis; Hydrophobic and Hydrophilic Interactions; Kinetics; Models, Biological; Models, Chemical; Models, Molecular; Molecular Sequence Data; Motion; Protein Conformation; Protein Denaturation; Protein Folding; Protein Structure, Secondary; Protein Structure, Tertiary; Recombinant Proteins; Temperature; Thermodynamics; Thermolysin; Time Factors; Trypsin; Urea | 2008 |
NMR analysis of partially folded states and persistent structure in the alpha subunit of tryptophan synthase: implications for the equilibrium folding mechanism of a 29-kDa TIM barrel protein.
Topics: Amides; Amino Acids; Deuterium; Escherichia coli; Hydrogen; Hydrogen Bonding; Isotope Labeling; Magnetic Resonance Spectroscopy; Molecular Weight; Nitrogen Isotopes; Protein Folding; Protein Structure, Secondary; Protein Subunits; Thermodynamics; Time Factors; Tryptophan Synthase; Urea | 2008 |
Nicotine, acetanilide and urea multi-level 2H-, 13C- and 15N-abundance reference materials for continuous-flow isotope ratio mass spectrometry.
Topics: Acetanilides; Calibration; Deuterium; Mass Spectrometry; Nicotine; Nitrogen Isotopes; Oxygen Isotopes; Reference Standards; Urea | 2009 |
Structure and dynamics of urea/water mixtures investigated by vibrational spectroscopy and molecular dynamics simulation.
Topics: Deuterium; Molecular Dynamics Simulation; Protein Denaturation; Proteins; Spectrophotometry, Infrared; Thermodynamics; Urea; Water | 2013 |
NMR resonance splitting of urea in stretched hydrogels: proton exchange and (1)H/(2)H isotopologues.
Topics: Amides; Deuterium; Deuterium Oxide; Electromagnetic Fields; Gelatin; Hydrogels; Magnetic Resonance Spectroscopy; Protons; Urea | 2014 |
Increasing metabolic stability via the deuterium kinetic isotope effect: An example from a proline-amide-urea aminothiazole series of phosphatidylinositol-3 kinase alpha inhibitors.
Topics: Amides; Animals; Biological Availability; Class I Phosphatidylinositol 3-Kinases; Deuterium; Enzyme Inhibitors; Kinetics; Phosphatidylinositol 3-Kinases; Phosphoinositide-3 Kinase Inhibitors; Proline; Rats; Thiazoles; Urea | 2016 |
Long-lived
Topics: Deuterium; Humans; Magnetic Resonance Spectroscopy; Nitrogen Isotopes; Perfusion Imaging; Temperature; Urea | 2018 |