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Updated: Nov 17, 2025

Preparation and Characterization of Individual and Multi-drug Loaded Physically Entrapped Polymeric Micelles
Published on: August 28, 2015
Characterization and Applications of Colloidal Systems as Versatile Drug Delivery Carriers for Parenteral
Lakshmi Prasanna Kolluru1,2, Prachi Atre3, Syed A A Rizvi4
1Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, 3001 Mercer University Drive, Atlanta, GA 30341, USA.
Abstract:
Preparing a suitable formulation for parenteral administration is already a difficult task; this, coupled with poor water-soluble new chemical entity (NCE), complicates this situation even further. There are several methodologies available to enhance water solubility, but this alone does not entail successful formulation. Making a micro/nano emulsion with a suitable surfactant not only increases the drug solubility but also the cell membrane permeability. Thus, not only biopharmaceutic classification system (BCS)-II (low solubility compounds) but also BCS-III (low permeability) and BCS-IV drugs (low solubility and low permeability) can be further exploited. Those drug candidates otherwise will not move further in NCE evaluation or clinical trials. This succinct review article delves into various aspects of biphasic micro/nano emulsion systems for parenteral drug delivery including the structure of the biphasic colloidal systems, characterization parameters, stability issues, regulatory considerations, and applications in life sciences.
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