Studies on membrane-active vaginal spermicides.
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Blood Pressure↗
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Results for “Spermicidal Contraceptive Agents--analysis”
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The chemotaxonomy of Phytolacca species.
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Contraception↗
Synergistic spermicidal activity of neem seed extract, reetha saponins and quinine hydrochloride.
In order to identify potent spermicidal agents which are free from the side effects of currently available agents, spermicidal activity of purified neem seeds extract (Praneem), reetha saponins and quinine hydrochloride was studied individually and in combination. Sander-Cramer test was used to assess the activity on human sperm. Under the test conditions, minimum effective spermicidal concentrations for Praneem, reetha saponins and quinine hydrochloride were 25%, 0.05% and 0.346%, respectively. At these concentrations, 100% of the sperm were immobilised within 20 seconds. A positive synergistic effect in the spermicidal activity of these components, if used in combination, was observed which implies the use of reduced concentrations of each to bring about the desired action. The selected combination formulated into a suitable dosage form is likely to offer dual benefit of a potent contraceptive and an antimicrobial preparation.
Drug Combinations↗
A simple, sensitive assay for the spermicide nonoxynol-9 in biological fluids by high-performance liquid chromatography.
A new high-performance liquid chromatographic technique has been developed to quantitate nonoxynol-9 in serum, urine, and vaginal fluid. The method is rapid, involves minimal sample preparation, and can be used to analyze a large number of biological fluid samples. The assay elutes a single nonoxynol-9 peak with no interfering components. This was accomplished using a 10-microns pelicular packed amine column, a normal-phase solvent system, and fluorescence detection. Nonoxynol-9 levels as low as 0.23 micrograms/mL in urine can be detected.
Body Fluids↗