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1.
Artigo | IMSEAR | ID: sea-203800

RESUMO

Microsponge technology has been introduced in topical drug products to facilitatethe controlled release of active drug into the skin in order to reduce systemic exposure andminimize local cutaneous reactions to active drugs. Microsponge consists of macroporousbeads, typically 10-25µ in diameter, loaded with active agent. When applied to the skin, themicrosponge releases its active ingredients on a time mode and also in response to otherstimuli. Microsponge drug delivery technology holds a great promise for reaching the goal ofcontrolled and site-specific drug delivery and hence, has attracted wide attention ofresearchers. This article presents a broad review of Microsponges delivery system discussingthe principles and preparation methods. Appropriate analytical techniques for characterizationof Microsponges like Particle size and its distribution, surface morphology, porosity, densityare covered. These microsponges are used in the sunscreens, creams, ointments, over-thecounter skin care preparations, which are meant for topical application. Microsponge drugdelivery can provide increased efficacy for topically active agents with enhanced safety,extended product stability and improved aesthetic properties in an efficient and novel manner.They are mostly used for topical use and have recently been used for oral administration

2.
Artigo | IMSEAR | ID: sea-203798

RESUMO

The present study was designed to investigate the anticonvulsant activity of Cowurine betel vine extract in rats. Anticonvulsant activity was performed by using the two modelsMaximal Electric Shock (MES) induced convulsions and Pentylene tetrazole (PTZ) inducedconvulsions. The animals were fed with Cow urine betel vine extract at the dose of 250 and500mg/kg b.w orally for a period of 14 days. The pretreated extract reduced the convulsions ina dose dependent manner which was determined by taking the duration of flexion, extensor,clonus and stupor phase and Percentage of inhibition of seizures relative to controls wascalculated.

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