Issue 6, 2004
From the journal:

Lab on a Chip

Hydrodynamic microfabrication via “on the fly” photopolymerization of microscale fibers and tubes

Wonje Jeong,a   Jeongyun Kim,a   Sunjeong Kim,b   Sanghoon Lee,*a   Glennys Mensingc  and  David. J. Beebe*c  

* Corresponding authors

a Department of Biomedical Engineering, Dankook University, San 29, Anseodong Cheonan Chungnam, South Korea
E-mail: dbiomed@dankook.ac.kr

b Department of Biomedical Engineering, Hanyang University, 17, Hangdang Seongdonggu, S. Korea
E-mail: sjk@hanyan.ac.kr

c Department of Biomedical Engineering, University of Wisconsin, Madison, WI 53706, USA
E-mail: djbeebe@wisc.edu

Abstract

A microfluidic apparatus capable of creating continuous microscale cylindrical polymeric structures has been developed. This system is able to produce microstructures (e.g. fibers, tubes) by employing 3D multiple stream laminar flow and “on the fly” in-situ photopolymerization. The details of the fabrication process and the characterization of the produced microfibers are described. The apparatus is constructed by merging pulled glass pipettes with PDMS molding technology and used to manufacture the fibers and tubes. By controlling the sample and sheath volume flow rates, the dimensions of the microstructures produced can be altered without re-tooling. The fiber properties including elasticity, stimuli responsiveness, and biosensing are characterized. Responsive woven fabric and biosensing fibers are demonstrated. The fabrication process is simple, cost effective and flexible in materials, geometries, and scales.

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Article information

DOI
https://doi.org/10.1039/B411249K
Article type
Paper
Submitted
23 Jul 2004
Accepted
25 Oct 2004
First published
11 Nov 2004

Lab Chip, 2004,4, 576-580

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Hydrodynamic microfabrication via “on the fly” photopolymerization of microscale fibers and tubes

W. Jeong, J. Kim, S. Kim, S. Lee, G. Mensing and David. J. Beebe, Lab Chip, 2004, 4, 576 DOI: 10.1039/B411249K

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