Fabricating low-cost composite polymer-based micro needle patch for transdermal drug delivery

Dathatri, Eshwari and lal, Satyapriya and Mittal, Mohit and Thakur, Goutam and Shounak, De (2021) Fabricating low-cost composite polymer-based micro needle patch for transdermal drug delivery. Applied Nanoscience, 10. pp. 371-377. ISSN 2190-5509

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Microneedle delivery patches are an emerging technology to attain painless and sustained delivery through the epidermis of the skin. This study is unique in its attempt to develop polymeric microneedles embedded with drug. Special polymer chitosan with hydrogel forming capability is cross-linked with PVA, a water-soluble polymer with excellent ilm strength�ening ability and loaded with model drug diclofenac sodium. The microneedle patch was prepared by dipping an array of needles in a mold of chitosan-PVA composite (ratio 1:6), which upon drying was peeled of to result in the composite ilm. The ilm of chitosan-PVA in the ratio 1:6 when tested for mechanical behavior exhibited improved mechanical strength owing to use of PVA, the presence of efective cross-linking of PVA with chitosan was further veriied with FTIR. The release from drug-loaded needles was promising, as cross-linking with PVA enabled a sustained drug release of 20.17% at the end of 30 h. The release followed the Higuchi model with Fickian difusion, indicating a swelling-dependent release. The microneedle prepared using a composite of chitosan-PVA showed promising results indicating its potential to be used as a drug eluting transdermal patch

Item Type: Article
Uncontrolled Keywords: Chitosan · Crosslinking · Microneedle array · Mechanical strength · Sustained drug release
Subjects: Engineering > MIT Manipal > Biomedical
Engineering > MIT Manipal > Electronics and Communication
Depositing User: MIT Library
Date Deposited: 07 Feb 2022 06:45
Last Modified: 07 Feb 2022 06:45
URI: http://eprints.manipal.edu/id/eprint/158285

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