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Decrease of Liposomal Size and Retarding Effect on Fluconazole Skin Permeation by Lysine Derivatives

Decrease of Liposomal Size and Retarding Effect on Fluconazole Skin Permeation by Lysine Derivatives

Julia C Schwarz, Hanspeter Kählig, Nadejda B Matsko, Martin Kratzel, Markus Husa, Claudia Valenta

J Pharm Sci. 2011 Jul;100(7):2911-9.

PMID: 21319163

Abstract:

Liposomes are ideal dermal drug delivery systems because of their ability to alter the biodistribution profile of incorporated drugs. In a novel approach to optimize the liposomal microstructure, lysine derivatives were employed. The effect of the oligopeptides Lys-5 and Lys-7 on the structure as well as on the skin permeation of the antimycotic drug fluconazole in 1,2-dipalmitoyl-sn-glycero-3-phosphocholine vesicles was studied using a variety of techniques. It was demonstrated by addition of the shift reagent praseodymium(III)chloride and subsequent (31)P NMR measurements that the liposomes produced consisted mainly of unilamellar vesicles. This was confirmed by cryo-transmission electron microscopy. The addition of Lys-5 and Lys-7 induced a structural change resulting in a decrease in particle size between 10% and 40% and a retarding effect on fluconazole skin permeation.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP10361792	Praseodymium(III) chloride		10361-79-2	Price

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