MATEC Web Conf.
Volume 333, 2021The 18th Asian Pacific Confederation of Chemical Engineering Congress (APCChE 2019)
|Number of page(s)||5|
|Published online||08 January 2021|
Microengineering of Collagen Hydrogels Integrated into Microfluidic Devices for Perfusion Culture of Mammalian Cells
Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
* Corresponding author: firstname.lastname@example.org
Collagen-based hydrogels are widely used for three-dimensional (3D) culture of mammalian cells because of their high cell-activating characteristis. However, techniques for preparing of cell-embedding collagen hydrogels with micrometer-size precision in perfusable, microfluidic devices have not been fully developed. In this study, we propose a facile strategy enabling microfabrication of collagen hydrogels in microfluidic devices. We used phosphate particle-embedding polydimethylsiloxane (PP-PDMS) as a gelation agent, which neutralizes the acidic collagen soltuion. The collagen solution near the surface of the PP-PDMS is selectively gelled. We fabricated micropatterns and tubular structures made of collagen hydrogel, both of which were used for perfusion culture of mammalian cells encapsulated in the hydrogel matrix. The presented approach would be applicable to various types of cell culture experiments.
© The Authors, published by EDP Sciences, 2021
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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