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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/19867
Title: Influence of oil content on physicochemical properties and skin distribution of Nile red-loaded NLC
Authors: Veerawat Teeranachaideekul
Prapaporn Boonme
Eliana Barbosa Souto
Rainer Helmut Müller
Varaporn Buraphacheep Junyaprasert
Mahidol University
Freie Universitat Berlin
Prince of Songkla University
Universidade Fernando Pessoa
Keywords: Pharmacology, Toxicology and Pharmaceutics
Issue Date: 4-Jun-2008
Citation: Journal of Controlled Release. Vol.128, No.2 (2008), 134-141
Abstract: The aims of this study were to investigate the effect of the oil content on the physicochemical properties of NLC and to elucidate the potential of NLC for skin targeting. The obtained results showed that an increase in the oil content did not affect the mean particle size of NLC but impacted on the zeta potential. The inner structure of NLC was influenced by the increasing proportion of oil towards the less ordered structure as confirmed by differential scanning calorimetry (DSC) and X-ray diffraction (XRD), particularly for the higher medium chain triglycerides (MCT) loading. The data from proton nuclear magnetic resonance (1H NMR) revealed that cetyl palmitate nanoparticles did not completely recrystallize after cooling down to room temperature.1H NMR and DSC results indicate that MCT molecules were restricted in the NLC as compared to the nanoemulsions (NE). Nile red distribution and penetration into skin from NLC were pronounced as compared to NE and dependent on the MCT loading. The deep penetration and high amount of Nile red were related to the occlusion factor. Moreover, the epidermal targeting was achieved by NLC applications, particularly those containing 5% MCT (NLC-5) depending on the amount of MCT loading. © 2008 Elsevier B.V. All rights reserved.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=43449086991&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/19867
ISSN: 01683659
Appears in Collections:Scopus 2006-2010

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