Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/80631
Title: Fabrication of 3D PDMS microchannels of adjustable cross-sections via versatile gel templates
Authors: Ng, PF 
Lee, KI 
Yang, M 
Fei, B 
Keywords: 3D microchannel
Circular cross-section
Hydrogel
PDMS
Template molding
Issue Date: 2019
Publisher: Molecular Diversity Preservation International (MDPI)
Source: Polymers, 2019, v. 11, no. 1, 64 How to cite?
Journal: Polymers 
Abstract: Flexible gel fibers with high stretchability were synthesized from physically cross-linked agar and covalently cross-linked polyacrylamide networks. Such gel material can withstand the temperature required for thermal curing of polydimethylsiloxane (PDMS), when the water in the gel was partially replaced with ethylene glycol. This gel template supported thermal replica molding of PDMS to produce high quality microchannels. Microchannels with different cross sections and representative 3D structures, including bifurcating junction, helical and weave networks, were smoothly fabricated, based on the versatile manipulation of gel templates. This gel material was confirmed as a flexible and reliable template in fabricating 3D microfluidic channels for potential devices.
URI: http://hdl.handle.net/10397/80631
ISSN: 2073-4360
DOI: 10.3390/polym11010064
Rights: © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
The following publication Ng PF, Lee KI, Yang M, Fei B. Fabrication of 3D PDMS Microchannels of Adjustable Cross-Sections via Versatile Gel Templates. Polymers. 2019; 11(1):64 is available at https://doi.org/10.3390/polym11010064
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