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Improvement in the Dissolution Properties of Theophylline With Beta-Cyclodextrin
An improvement in the dissolution of theophylline with beta-cyclodextrin was achieved by subjecting them to co-grinding and freeze-drying methods. The products obtained were examined by the phase solubility method, ... -
Pharmacodynamic comparison of a nasal formulation of verapamil and intravenous and oral dosage forms
The nasal route has been shown to be effective for the administration of numerous drugs in order to improve drug bioavailability. A nasal gel of verapamil hydrochloride was formulated and evaluated pharmacodynamically in ... -
Rapid Analysis of Verapamil in Plasma By Reversed-Phase Hplg
Yazan, Y; Bozan, Berrin (Govi-Verlag GMBH, 1995)A modified and simple HPLC procedure has been developed for verapamil in plasma. Plasma samples have been vortex-mixed and centrifuged without any need of extraction. The analysis has been performed on a C-20 reversed-phase ...