theophylline has been researched along with ammonium sulfate in 7 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 7 (100.00) | 18.7374 |
| 1990's | 0 (0.00) | 18.2507 |
| 2000's | 0 (0.00) | 29.6817 |
| 2010's | 0 (0.00) | 24.3611 |
| 2020's | 0 (0.00) | 2.80 |
| Authors | Studies |
|---|---|
| Gelman, DB; Hayes, DK; Schechter, MS | 1 |
| Karlaganis, G; Renner, E; Wahlländer, A | 1 |
| Lipmann, F | 1 |
| Chasin, M; Harris, DN; Hess, SM; Phillips, MB | 1 |
| Hrapchak, RJ; Rasmussen, H | 1 |
| Forte, JG; Ray, TK | 1 |
| Roy, AC; Warren, BY | 1 |
1 review(s) available for theophylline and ammonium sulfate
| Article | Year |
|---|---|
Effects of cyclic AMP, its mechanism of action, and comments on the energetics of its 3'-phosphate bond.
Topics: Adrenal Glands; Ammonium Sulfate; Bacterial Proteins; Centrifugation, Density Gradient; Chromatography, DEAE-Cellulose; Cyclic AMP; Dithiothreitol; Enzyme Activation; Enzyme Repression; Escherichia coli; Genetic Code; Hemolysis; Histones; Kinetics; Models, Chemical; Molecular Weight; Phosphates; Phosphotransferases; Protein Binding; Reticulocytes; RNA; RNA, Messenger; Structure-Activity Relationship; Theophylline; Tritium | 1970 |
6 other study(ies) available for theophylline and ammonium sulfate
| Article | Year |
|---|---|
Ammonium sulfate activation of phosphodiesterase in homogenates of larvae of the european corn borer.
Topics: Ammonium Sulfate; Animals; Astacoidea; Caffeine; Cattle; Enzyme Activation; Kidney; Larva; Lepidoptera; Liver; Moths; Osmolar Concentration; Phosphoric Diester Hydrolases; Rats; Sodium Chloride; Species Specificity; Theophylline | 1976 |
High-performance liquid chromatographic determination of dimethylxanthine metabolites of caffeine in human plasma.
Topics: Ammonium Sulfate; Caffeine; Chromatography, High Pressure Liquid; Humans; Liver Diseases; Theobromine; Theophylline | 1985 |
1-Ethyl-4-(isopropylidenehydrazino)-1H-pyrazolo-(3,4-b)-pyridine-5-carboxylic acid, ethyl ester, hydrochloride (SQ 20009)--a potent new inhibitor of cyclic 3',5'-nucleotide phosphodiesterases.
Topics: Adrenal Glands; Ammonium Sulfate; Animals; Brain; Caffeine; Carboxylic Acids; Cats; Cattle; Cyclic AMP; Cyclic GMP; Esters; Hydrazines; Hydrolysis; In Vitro Techniques; Kinetics; Male; Myocardium; Phosphodiesterase Inhibitors; Phosphoric Diester Hydrolases; Pyrazoles; Pyridines; Rats; Theophylline | 1972 |
Characterization of two forms of beef heart cyclic nucleotide phosphodiesterase.
Topics: Adenosine; Aminohydrolases; Ammonium Sulfate; Animals; Cattle; Chemical Precipitation; Chromatography, DEAE-Cellulose; Chromatography, Gel; Cyclic AMP; Cyclic GMP; Electrophoresis, Disc; Kinetics; Molecular Weight; Myocardium; Nucleotidases; Nucleotides; Phosphodiesterase Inhibitors; Phosphoric Diester Hydrolases; Spectrophotometry, Ultraviolet; Structure-Activity Relationship; Theophylline; Tritium; Ultracentrifugation | 1972 |
Studies on phosphodiesterase from oxyntic cells of bullfrog gastric mucosa. I. Intracellular localization, partial purification, and properties.
Topics: Ammonium Sulfate; Animals; Anura; Caffeine; Chemical Phenomena; Chemistry; Choline; Cyclic AMP; Gastric Mucosa; Histamine; Hydrogen-Ion Concentration; Imipramine; In Vitro Techniques; Kinetics; Magnesium; Pentagastrin; Phosphoric Diester Hydrolases; Rana catesbeiana; Sulfhydryl Compounds; Theophylline; Time Factors; Tritium | 1973 |
Inhibition of cAMP phosphodiesterase by disodium cromoglycate.
Topics: Ammonium Sulfate; Animals; Cattle; Cells, Cultured; Chromatography, DEAE-Cellulose; Cromolyn Sodium; Cyclic AMP; Depression, Chemical; Guinea Pigs; Immunoglobulin E; In Vitro Techniques; Isoproterenol; Kinetics; Lung; Myocardium; Phosphodiesterase Inhibitors; Rats; Theophylline; Tritium; Venoms | 1974 |