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Molecules 2016, 21(5), 672; doi:10.3390/molecules21050672

Positively Charged Nanostructured Lipid Carriers and Their Effect on the Dissolution of Poorly Soluble Drugs

Department of Food Science and Technology, Sejong University, 261 Neungdong-ro, Gwangjin-gu, Seoul 143-747, Korea
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Academic Editors: Thomas Rades, Holger Grohganz and Korbinian Löbmann
Received: 6 March 2016 / Revised: 11 May 2016 / Accepted: 17 May 2016 / Published: 20 May 2016
(This article belongs to the Collection Poorly Soluble Drugs)
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Abstract

The objective of this study is to develop suitable formulations to improve the dissolution rate of poorly water soluble drugs. We selected lipid-based formulation as a drug carrier and modified the surface using positively charged chitosan derivative (HTCC) to increase its water solubility and bioavailability. Chitosan and HTCC-coated lipid particles had higher zeta-potential values than uncoated one over the whole pH ranges and improved encapsulation efficiency. In vitro drug release showed that all NLC formulations showed higher in vitro release efficiency than drug particle at pH 7.4. Furthermore, NLC formulation prepared with chitosan or HTCC represented good sustained release property. The results indicate that chitosan and HTCC can be excellent formulating excipients of lipid-based delivery carrier for improving poorly water soluble drug delivery. View Full-Text
Keywords: poorly water soluble drug; indomethacin; nanostructured lipid nanocarrier; N-(2-hydroxy)propyl-3-trimethyl ammonium chitosan chloride; in vitro release poorly water soluble drug; indomethacin; nanostructured lipid nanocarrier; N-(2-hydroxy)propyl-3-trimethyl ammonium chitosan chloride; in vitro release
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Choi, K.-O.; Choe, J.; Suh, S.; Ko, S. Positively Charged Nanostructured Lipid Carriers and Their Effect on the Dissolution of Poorly Soluble Drugs. Molecules 2016, 21, 672.

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