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Topical delivery of low-molecular-weight heparin with surface-charged flexible liposomes

Paper ID Volume ID Publish Year Pages File Format Full-Text
12303 788 2006 10 PDF Available
Title
Topical delivery of low-molecular-weight heparin with surface-charged flexible liposomes
Abstract

To increase topical delivery of low-molecular-weight heparin (LMWH), cationic, neutral, and anionic flexible liposomes (cFlexosome, nFlexosome, and aFlexosome) were prepared. The effects of surface charge of Flexosome on physicochemical properties and skin penetration of LMWH were also investigated. Among the different formulations of Flexosome, cFlexosome demonstrated three-times higher entrapment efficiency of LMWH, and better physicochemical stability than nFlexosome and aFlexosome. In vitro skin penetration and in vivo localization into the deeper skin layer of LMWH were significantly greater from cFlexosome compared to other formulations. Changes of skin surface charge after LMWH-cFlexosome application were investigated as a function of time. In the process of skin penetration, the Flexosomes act as drug carrier with the associated LMWH. Overall, macromolecular LMWH could be delivered deeply into the skin by topical application of cFlexosome for the treatment of superficial thrombosis, subcutaneous wounds, bruise, and burns.

Keywords
Low-molecular-weight heparin; Flexible liposome; Liposome surface charge; Topical delivery
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 27, Issue 2, January 2006, Pages 271–280
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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Any Questions? feel free to contact us