Issue 21, 2021

Oriented collagen films with high Young's modulus by self-assembly on micrometer grooved polydimethylsiloxane

Abstract

We report on the fabrication of oriented collagen films by drying a dilute collagen solution on a polydimethylsiloxane (PDMS) substrate with a micrometer grooved surface. The resultant films show optical and mechanical anisotropy along the groove direction, and have a high mechanical strength with Young's modulus of 2.3 GPa. This process might enable collagen materials to be applied to anisotropic biocompatible substrates, large-area functional scaffolds, and soft robotic materials.

Graphical abstract: Oriented collagen films with high Young's modulus by self-assembly on micrometer grooved polydimethylsiloxane

Supplementary files

Article information

Article type
Communication
Submitted
25 Jul 2021
Accepted
21 Aug 2021
First published
14 Sep 2021
This article is Open Access
Creative Commons BY license

Mater. Adv., 2021,2, 6984-6987

Oriented collagen films with high Young's modulus by self-assembly on micrometer grooved polydimethylsiloxane

M. Aizawa, H. Nakamura, K. Matsumoto, T. Oguma and A. Shishido, Mater. Adv., 2021, 2, 6984 DOI: 10.1039/D1MA00642H

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