MICROEMULSIONS: A NOVEL DRUG CARRIER SYSTEM

Y. Srinivasa Rao¹*, K. Sree Deepthi¹ and K.P.R. Chowdary²

¹Vignan Institute of Pharmaceutical Technology, Duvvada, Visakhapatnam-46 ²University College of Pharmaceutical Sciences, Andhra University, Visakhapatnam-3

ABSTRACT Microemulsions are clear, transparent, thermodynamically stable dispersions of oil and water, stabilized by an interfacial film of surfactant frequently in combination with a co-surfactant. Recently, there has been a considerable interest for the microemulsion formulation, for the delivery of hydrophilic as well as lipophilic drug as drug carriers because of its improved drug solubilization capacity, long shelf life, easy of preparation and improvement of bioavailability. In this present review, we discuss about the various advantages of microemulsion in pharmaceuticals, along with its preparation, evaluation and research work carried out on microemulsions.

Key words: microemulsions, advantages of microemulsions, research work on microemulsions.

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