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Fabrication of a Bioadhesive Transdermal Device from Chitosan and Hyaluronic Acid for the Controlled Release of Lidocaine by T.S. Anirudhan; Syam S. Nair; Anoop S. Nair is a Materials Science article available to read on EtoBox.

What is Fabrication of a Bioadhesive Transdermal Device from Chitosan and Hyaluronic Acid for the Controlled Release of Lidocaine about?

A novel efficient transdermal (TD) lidocaine (LD) delivery device based on chitosan (CS) and hyaluronic acid (HA) was successfully developed in the present investigation. CS was grafted with glycidyl methacrylate (GMA) and butyl methacrylate (BMA) to fabricate a versatile material with improved adhesion and mechanical properties. HA was hydrophobically modified by covalently conjugating 3-(dimethylamino)-1-propylamine (DMPA) to encapsulate poorly water soluble LD and was uniformly dispersed in modified CS matrix. The prepared materials were characterized through FTIR, NMR, XRD, SEM, TEM and tensile assay. The dispersion of amine functionalized HA (AHA) on modified CS matrix offered strong matrix - filler interaction, which improved the mechanical properties and drug retention behavior of the device. In vitro skin permeation study of LD was performed with modified Franz diffusion cell using rat skin and exhibited controlled release. The influence of storage time on release profile was investigated and demonstrated that after the initial burst, LD release profile of the device after 30 and 60days storage was identical to that of a device which was not stored. In vivo skin adhesion te

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Author

T.S. Anirudhan; Syam S. Nair; Anoop S. Nair

Publisher

Elsevier BV

Published

2016

Language

EN

Field

Materials Science (Physical Sciences)