theophylline has been researched along with methylparaben in 7 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 1 (14.29) | 18.7374 |
| 1990's | 2 (28.57) | 18.2507 |
| 2000's | 3 (42.86) | 29.6817 |
| 2010's | 1 (14.29) | 24.3611 |
| 2020's | 0 (0.00) | 2.80 |
| Authors | Studies |
|---|---|
| Buchmann, M; Ho, NT; Kesselring, UW; Nguyen, HP | 1 |
| McGinity, JW; Wu, C | 2 |
| Haque, A; Stewart, JT; Xu, X | 1 |
| El-Gindy, A; Emara, S; Mostafa, A | 1 |
| El-Gindy, A; Emara, S; Shaaban, H | 1 |
| Lirola, HL; McGinity, JW; Schilling, SU; Shah, NH; Waseem Malick, A | 1 |
7 other study(ies) available for theophylline and methylparaben
| Article | Year |
|---|---|
Determination of partial and total cohesion parameters of caffeine, theophylline, and methyl p-hydroxybenzoate by gas-solid chromatography.
Topics: Caffeine; Chemical Phenomena; Chemistry, Physical; Chromatography; Mathematics; Parabens; Solubility; Theophylline; Thermodynamics | 1987 |
Non-traditional plasticization of polymeric films.
Topics: Chlorpheniramine; Ibuprofen; Parabens; Plasticizers; Polymers; Tablets; Tensile Strength; Theophylline; Thermal Conductivity | 1999 |
Determination of ephedrine, theophylline and phenobarbital in a tablet dosage form by capillary electrophoresis.
Topics: Calibration; Drug Combinations; Electrophoresis, Capillary; Ephedrine; Hydrogen-Ion Concentration; Parabens; Phenobarbital; Sensitivity and Specificity; Tablets; Theophylline | 1999 |
Influence of relative humidity on the mechanical and drug release properties of theophylline pellets coated with an acrylic polymer containing methylparaben as a non-traditional plasticizer.
Topics: Humidity; Parabens; Plasticizers; Solubility; Tensile Strength; Theophylline | 2000 |
Application and validation of chemometrics-assisted spectrophotometry and liquid chromatography for the simultaneous determination of six-component pharmaceuticals.
Topics: Antitussive Agents; Bronchodilator Agents; Chromatography, High Pressure Liquid; Complex Mixtures; Diphenhydramine; Expectorants; Guaifenesin; Least-Squares Analysis; Parabens; Preservatives, Pharmaceutical; Principal Component Analysis; Reproducibility of Results; Sodium Benzoate; Spectrophotometry, Ultraviolet; Technology, Pharmaceutical; Theophylline | 2006 |
Development and validation of chemometrics-assisted spectrophotometric and liquid chromatographic methods for the simultaneous determination of two multicomponent mixtures containing bronchodilator drugs.
Topics: Albuterol; Bromhexine; Bronchodilator Agents; Calibration; Chromatography, Liquid; Drug Combinations; Expectorants; Guaifenesin; Indicators and Reagents; Least-Squares Analysis; Parabens; Piperazine; Piperazines; Reference Standards; Reproducibility of Results; Solvents; Spectrophotometry, Ultraviolet; Theophylline | 2007 |
Influence of plasticizer type and level on the properties of Eudragit S100 matrix pellets prepared by hot-melt extrusion.
Topics: Acrylic Resins; Calorimetry, Differential Scanning; Citrates; Delayed-Action Preparations; Drug Compounding; Parabens; Plasticizers; Polyethylene Glycols; Temperature; Tensile Strength; Theophylline; Viscosity; X-Ray Diffraction | 2010 |