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Polymer based microneedle patch fabricated using microinjection moulding

This paper presents the development of a polymer based microneedle patch for transdermal drug delivery application using plastic microinjection moulding. Design and analysis of the microneedle cavities and mould insert used in the injection moulding process were carried out using Computer-Aided Engi...

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Published in:MATEC web of conferences 2018-01, Vol.192, p.1039
Main Authors: Janphuang, Pattanaphong, Laebua, Mongkhol, Sriphung, Chanwut, Taweewat, Phatsakon, Sirichalarmkul, Anan, Sukjantha, Kasiphisan, Promsawat, Napatporn, Leuasoongnoen, Pimchanok, Suphachiaraphan, Somphong, Phimol, Kantapon, Isarakorn, Don, Tancharakorn, Somchai
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cited_by cdi_FETCH-LOGICAL-c3129-f0798336afe74ccf3d3e0eb4c11ed9df338804dc4b10802386fdea0a50a181903
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container_title MATEC web of conferences
container_volume 192
creator Janphuang, Pattanaphong
Laebua, Mongkhol
Sriphung, Chanwut
Taweewat, Phatsakon
Sirichalarmkul, Anan
Sukjantha, Kasiphisan
Promsawat, Napatporn
Leuasoongnoen, Pimchanok
Suphachiaraphan, Somphong
Phimol, Kantapon
Isarakorn, Don
Tancharakorn, Somchai
description This paper presents the development of a polymer based microneedle patch for transdermal drug delivery application using plastic microinjection moulding. Design and analysis of the microneedle cavities and mould insert used in the injection moulding process were carried out using Computer-Aided Engineering (CAE) software. A mould insert with low surface roughness was fabricated using Micro Electrical Discharge Machining (μ-EDM). The injection moulding parameters including clamping force, temperature, injection pressure and velocity were characterized in order to obtain the optimum reproducibility. Solid truncated cone microneedles, made of biocompatible polymethyl methacrylate (PMMA), with a round tip radius of 50 μm and 500 μm in height have been realized by microinjection moulding process demonstrating the potential of a low cost, high production efficiency, and suitable for mass production. In addition, a mould insert of cylindrical microneedles fabricated using X-ray LIGA has been proposed.
doi_str_mv 10.1051/matecconf/201819201039
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ispartof MATEC web of conferences, 2018-01, Vol.192, p.1039
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subjects Biocompatibility
CAE
Computer aided engineering
Drug delivery systems
Electric discharge machining
Injection molding
Mass production
Molds
Needles
Polymethyl methacrylate
Software engineering
Surface roughness
Transdermal medication
title Polymer based microneedle patch fabricated using microinjection moulding
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