theophylline has been researched along with n-vinyl-2-pyrrolidinone in 32 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 8 (25.00) | 18.7374 |
| 1990's | 2 (6.25) | 18.2507 |
| 2000's | 12 (37.50) | 29.6817 |
| 2010's | 8 (25.00) | 24.3611 |
| 2020's | 2 (6.25) | 2.80 |
| Authors | Studies |
|---|---|
| Duncan, R; Lloyd, JB | 1 |
| Bradley, CR; Conner, DP; Peck, CC | 1 |
| Al-Lamee, KG; Bamford, CH; Middleton, IP | 1 |
| Ashwood-Smith, MJ; Becker, G | 1 |
| Chodkowska-Granicka, B; Pawlak, E; Surowiecki, J | 1 |
| Fritze, E | 1 |
| Nikitin, AV; Provotorov, VM | 1 |
| Flindt-Egebak, P; Yderstraede, KB | 1 |
| Marton, S; Rácz, I; Süvegh, K; Zelkó, R | 1 |
| Nagel, KM; Peck, GE | 1 |
| HIGUCHI, T; KURAMOTO, R | 1 |
| GROTE, W | 1 |
| Süvegh, K; Zelkó, R | 1 |
| Orbán, A; Süvegh, K; Zelkó, R | 1 |
| Hauschild, K; Picker-Freyer, KM | 1 |
| Alvarez-Lorenzo, C; Concheiro, A; Lacík, I; Martinez-Pacheco, R; Mayo-Pedrosa, M | 1 |
| Adriaensens, P; Dukić, A; Foreman, P; Gelan, J; Mens, R; Remon, JP; Vervaet, C | 1 |
| Suryanarayanan, R; Tank, J; Tantry, JS | 1 |
| Bogataj, M; Mrhar, A; Planinsek, O; Smrdel, P; Zega, A | 1 |
| Antikainen, O; Lipsanen, T; Närvänen, T; Räikkönen, H; Yliruusi, J | 1 |
| Azad, MA; Hossain, M; Ibn Razzak, MS; Khan, F; Khan, MZ; Reza, MS | 1 |
| Fassihi, R; Liu, Q | 1 |
| Cabral, LM; Castro, HC; Coutinho, SS; da Silva, AM; Dantas, CB; de Sousa, VP; Dias, LR; Dornelas, CB; Rodrigues, CR; Sathler, PC | 1 |
| Córdoba Díaz, D; De Beer, T; Delaet, U; Fonteyne, M; Peeters, E; Remon, JP; Van Assche, I; Vercruysse, J; Vervaet, C | 1 |
| De Beer, T; Fonteyne, M; Fussell, AL; Rades, T; Remon, JP; Strachan, C; Vercruysse, J; Vervaet, C | 1 |
| De Beer, T; Ehlers, H; Fonteyne, M; Ketolainen, J; Naelapää, K; Peeters, E; Peters, BH; Rantanen, J; Remon, JP; Sandler, N; Vercruysse, J; Vervaet, C; Wickström, H | 1 |
| Alhnan, MA; Arafat, B; Isreb, A; Okwuosa, TC; Stefaniak, D; Wan, KW | 1 |
| Meng, F; Na, W; Wang, ZY; Zhang, F | 1 |
| Alhnan, MA; Arafat, B; Cieszynska, M; Isreb, A; Okwuosa, TC; Pereira, BC | 1 |
| Fábián, L; Guo, M; Li, M; Qiao, N; Sadiq, G; Wang, K | 1 |
| Cross, RBM; Kirubakaran, P; Li, M; Rosbottom, I; Wang, K | 1 |
| Benzine, Y; Danede, F; Francois Willart, J; Karrout, Y; Neut, C; Siepmann, F; Siepmann, J | 1 |
32 other study(ies) available for theophylline and n-vinyl-2-pyrrolidinone
| Article | Year |
|---|---|
Pinocytosis in the rat visceral yolk sac. Effects of temperature, metabolic inhibitors and some other modifiers.
Topics: Animals; Biological Transport, Active; Colchicine; Cytochalasin B; Egtazic Acid; Gold; Ouabain; Pinocytosis; Povidone; Rats; Serum Albumin, Bovine; Temperature; Theophylline; Yolk Sac | 1978 |
Noninvasive transdermal chemical collection. I. In vitro adsorption characteristics of gel/charcoal matrices.
Topics: Absorption; Charcoal; Gels; Methotrexate; Pharmacology; Polyvinyl Alcohol; Povidone; Skin; Theophylline | 1990 |
Polymeric inhibitors of platelet aggregation. Synergistic effects and proposals for a new mechanism.
Topics: Adenosine Diphosphate; Animals; Dextrans; Drug Synergism; Hydantoins; Kinetics; Platelet Aggregation; Polyethylene Glycols; Povidone; Sheep; Theophylline | 1986 |
Endocytosis in Chinese hamster fibroblasts. Inhibition by glucose.
Topics: Adenosine Triphosphate; Amino Acids; Animals; Bucladesine; Clone Cells; Cricetinae; Culture Media; Cyclic AMP; Endocytosis; Female; Fibroblasts; Glucose; Glucosephosphates; Insulin; Kinetics; Mannose; Ovary; Povidone; Sucrose; Theophylline; Time Factors; Tritium | 1973 |
[Tablets of 7-(3'-(methylhydroxyethylamino)-2'-hydroxypropyl)-theophylline nicotinate with delayed action. I. Moderation of the release of the active substance by some additives].
Topics: Cellulose; Delayed-Action Preparations; Dextrans; Drug Stability; Nicotinic Acids; Palmitic Acids; Pharmaceutic Aids; Povidone; Stearic Acids; Tablets; Technology, Pharmaceutical; Theophylline | 1971 |
[The treatment of silicosis].
Topics: Anti-Bacterial Agents; Anti-Inflammatory Agents; Antimalarials; Antitubercular Agents; Digitalis Glycosides; Glucocorticoids; Humans; Injections, Intravenous; Metaproterenol; Povidone; Resorcinols; Silicosis; Silicotuberculosis; Sulfonamides; Theophylline | 1968 |
[Clinical efficacy and immunological mechanisms of the effect of hemodes in patients with bronchial asthma].
Topics: Adolescent; Adult; Antibody Formation; Asthma; Drug Resistance; Female; Humans; Immunity, Cellular; Lymphocytes; Male; Middle Aged; Povidone; Theophylline | 1983 |
Neonatal rat islets of Langerhans and fetal rat pancreas. Isolation, immunohistochemical, functional, and autoradiographic evaluation.
Topics: Aging; Animals; Animals, Newborn; Autoradiography; Cell Separation; Cells, Cultured; Centrifugation, Zonal; Collagenases; Deoxyribonucleases; Fluorescent Antibody Technique, Indirect; Glucose; Immunohistochemistry; Insulin; Insulin Secretion; Islets of Langerhans; Mitosis; Pancreas; Povidone; Rats; Rats, Sprague-Dawley; Silicon Dioxide; Theophylline; Thymidine; Time Factors; Tritium | 1995 |
Effects of storage conditions on the free volume of polyvinylpyrrolidone: comparison of positron lifetime data with the tensile strength of tablets.
Topics: Algorithms; Drug Storage; Electrons; Hardness; Humidity; Pharmaceutic Aids; Povidone; Tablets; Tensile Strength; Theophylline | 2000 |
Investigating the effects of excipients on the powder flow characteristics of theophylline anhydrous powder formulations.
Topics: Calcium Phosphates; Chemistry, Pharmaceutical; Excipients; Lactose; Particle Size; Pharmaceutic Aids; Povidone; Powders; Rheology; Silicon Dioxide; Tablets; Theophylline | 2003 |
Study of possible complex formation between macromolecules and certain pharmaceuticals. I. Polyvinylpyrrolidone with sulfathiazole, procaine hydrochloride, sodium salicylate, benzyl penicillin, chloramphenicol, mandelic acid, caffeine, theophylline, and c
Topics: Caffeine; Chloramphenicol; Cortisone; Mandelic Acids; Penicillin G; Povidone; Procaine; Sodium Salicylate; Sulfathiazole; Sulfathiazoles; Theophylline | 1954 |
[BRAIN PULSATIONS AND CEREBROSPINAL FLUID DYNAMICS].
Topics: Acetazolamide; Aesculus; Biomedical Research; Bis-Trimethylammonium Compounds; Brain; Cerebral Angiography; Cerebral Ventricles; Cerebrospinal Fluid; Cerebrovascular Circulation; Craniocerebral Trauma; Dogs; Glucose; Histamine; Hydrodynamics; Intracranial Pressure; Neurosurgery; Pharmacology; Plethysmography; Povidone; Rabbits; Research; Skull Fractures; Theophylline; Thiamine; Urea | 1964 |
Correlation between the release characteristics of theophylline and the free volume of polyvinylpyrrolidone.
Topics: Humidity; Povidone; Tablets; Theophylline | 2005 |
Tracking of the physical ageing of amorphous pharmaceutical polymeric excipients by positron annihilation spectroscopy.
Topics: Drug Stability; Electrons; Excipients; Methacrylates; Nonoxynol; Polymers; Povidone; Solubility; Spectrum Analysis; Tablets; Theophylline; Water | 2006 |
Evaluation of tableting and tablet properties of Kollidon SR: the influence of moisture and mixtures with theophylline monohydrate.
Topics: Algorithms; Bronchodilator Agents; Calcium Phosphates; Cellulose; Chemistry, Pharmaceutical; Crystallization; Drug Compounding; Elasticity; Excipients; Hardness; Humidity; Microscopy, Electron, Scanning; Models, Statistical; Particle Size; Porosity; Povidone; Pressure; Tablets; Tensile Strength; Theophylline | 2006 |
Sustained release pellets based on poly(N-isopropyl acrylamide): matrix and in situ photopolymerization-coated systems.
Topics: Acrylamides; Acrylic Resins; Cellulose; Chemistry, Pharmaceutical; Cross-Linking Reagents; Crystallography, X-Ray; Delayed-Action Preparations; Drug Carriers; Excipients; Microscopy, Electron, Scanning; Photochemistry; Porosity; Povidone; Powders; Rheology; Solubility; Spectroscopy, Fourier Transform Infrared; Tablets; Technology, Pharmaceutical; Theophylline; Time Factors; Torque; Ultraviolet Rays | 2007 |
Development of starch-based pellets via extrusion/spheronisation.
Topics: Algorithms; Amylopectin; Amylose; Cellulose; Chemistry, Pharmaceutical; Crystallization; Drug Carriers; Excipients; Imaging, Three-Dimensional; Magnetic Resonance Spectroscopy; Microscopy, Electron, Scanning; Particle Size; Plasticizers; Povidone; Solubility; Sorbitol; Surface Properties; Technology, Pharmaceutical; Theophylline; Time Factors; X-Ray Diffraction | 2007 |
Processing-induced phase transitions of theophylline--implications on the dissolution of theophylline tablets.
Topics: Chemistry, Pharmaceutical; Crystallization; Crystallography, X-Ray; Desiccation; Drug Compounding; Drug Storage; Excipients; Hardness; Humidity; Molecular Weight; Phase Transition; Pilot Projects; Povidone; Pressure; Solubility; Tablets; Technology, Pharmaceutical; Temperature; Theophylline; Water | 2007 |
Shape optimization and characterization of polysaccharide beads prepared by ionotropic gelation.
Topics: Acrylic Resins; Alginates; Calorimetry, Differential Scanning; Chemistry, Pharmaceutical; Dipeptides; Drug Delivery Systems; Excipients; Gels; Phthalimides; Povidone; Spectroscopy, Fourier Transform Infrared; Technology, Pharmaceutical; Theophylline | 2008 |
Controlling granule size by granulation liquid feed pulsing.
Topics: Air; Data Interpretation, Statistical; Drug Compounding; Excipients; Humidity; Lactose; Models, Statistical; Particle Size; Povidone; Powders; Theophylline | 2008 |
Effect of channeling agents on the release pattern of theophylline from kollidon SR based matrix tablets.
Topics: Bronchodilator Agents; Chemistry, Pharmaceutical; Delayed-Action Preparations; Drug Delivery Systems; Drug Design; Polyethylene Glycols; Povidone; Sodium Chloride; Tablets; Theophylline; Time Factors | 2009 |
Application of a novel symmetrical shape factor to gastroretentive matrices as a measure of swelling synchronization and its impact on drug release kinetics under standard and modified dissolution conditions.
Topics: Delayed-Action Preparations; Diltiazem; Drug Carriers; Excipients; Hypromellose Derivatives; Kinetics; Methylcellulose; Polyethylene Glycols; Povidone; Quinazolines; Solubility; Tablets; Technology, Pharmaceutical; Theophylline | 2009 |
Preparation and evaluation of a new nano pharmaceutical excipients and drug delivery system based in polyvinylpyrrolidone and silicate.
Topics: Animals; Bentonite; Calorimetry, Differential Scanning; Drug Delivery Systems; Excipients; Methyldopa; Mice; Nanocomposites; Povidone; Silicates; Solubility; Tablets; Theophylline; Thermogravimetry; Toxicity Tests; X-Ray Diffraction | 2011 |
Continuous twin screw granulation: influence of process variables on granule and tablet quality.
Topics: Drug Compounding; Excipients; Lactose; Particle Size; Porosity; Povidone; Solubility; Tablets; Temperature; Tensile Strength; Theophylline | 2012 |
Distribution of binder in granules produced by means of twin screw granulation.
Topics: Chemistry, Pharmaceutical; Drug Compounding; Excipients; Lactose; Microscopy; Particle Size; Povidone; Spectrum Analysis, Raman; Technology, Pharmaceutical; Theophylline | 2014 |
Influence of raw material properties upon critical quality attributes of continuously produced granules and tablets.
Topics: Chemistry, Pharmaceutical; Hardness; Kinetics; Lactose; Particle Size; Porosity; Povidone; Powders; Principal Component Analysis; Quality Control; Solubility; Tablets; Technology, Pharmaceutical; Tensile Strength; Theophylline | 2014 |
A Lower Temperature FDM 3D Printing for the Manufacture of Patient-Specific Immediate Release Tablets.
Topics: Dipyridamole; Drug Liberation; Excipients; Humans; Povidone; Printing, Three-Dimensional; Solubility; Tablets; Technology, Pharmaceutical; Temperature; Theophylline | 2016 |
Interpolymer complexation between copovidone and carbopol and its effect on drug release from matrix tablets.
Topics: Acrylic Resins; Delayed-Action Preparations; Drug Liberation; Excipients; Hydrogen-Ion Concentration; Kinetics; Pyrrolidines; Pyrrolidinones; Solubility; Tablets; Theophylline; Vinyl Compounds | 2017 |
Fabricating a Shell-Core Delayed Release Tablet Using Dual FDM 3D Printing for Patient-Centred Therapy.
Topics: Budesonide; Capsules; Delayed-Action Preparations; Diclofenac; Drug Compounding; Drug Liberation; Hot Temperature; Humans; Patient-Centered Care; Polymers; Povidone; Printing, Three-Dimensional; Tablets; Theophylline | 2017 |
Insight into Flufenamic Acid Cocrystal Dissolution in the Presence of a Polymer in Solution: from Single Crystal to Powder Dissolution.
Topics: Anti-Inflammatory Agents; Calorimetry, Differential Scanning; Chemistry, Pharmaceutical; Crystallization; Flufenamic Acid; Microscopy; Niacinamide; Polyethylene Glycols; Povidone; Powders; Solubility; Spectroscopy, Fourier Transform Infrared; Theophylline; X-Ray Diffraction | 2017 |
Understanding the Effects of a Polymer on the Surface Dissolution of Pharmaceutical Cocrystals Using Combined Experimental and Molecular Dynamics Simulation Approaches.
Topics: Adsorption; Carbamazepine; Chemical Precipitation; Crystallization; Drug Compounding; Drug Liberation; Excipients; Flufenamic Acid; Molecular Dynamics Simulation; Niacinamide; Polyethylene Glycols; Povidone; Pyrrolidines; Solubility; Theophylline; Vinyl Compounds | 2020 |
Injection-molded capsule bodies and caps based on polymer blends for controlled drug delivery.
Topics: Chemistry, Pharmaceutical; Delayed-Action Preparations; Drug Delivery Systems; Drug Liberation; Hydrophobic and Hydrophilic Interactions; Inulin; Polymers; Polyurethanes; Povidone; Solubility; Technology, Pharmaceutical; Theophylline | 2021 |