Issue 18, 2010
From the journal:

Soft Matter

First jump of microgel; actuation speed enhancement by elastic instability†

Howon Lee,a   Chunguang Xiaa  and  Nicholas X. Fang*a  

* Corresponding authors

a Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, USA
E-mail: nicfang@illinois.edu
Fax: +217-244-9956
Tel: +217-265-8262

Abstract

Swelling-induced snap-buckling in a 3D micro hydrogel device, inspired by the insect-trapping action of Venus flytrap, makes it possible to generate astonishingly fast actuation. We demonstrate that elastic energy is effectively stored and quickly released from the device by incorporating elastic instability. Utilizing its rapid actuation speed, the device can even jump by itself upon wetting.

Graphical abstract: First jump of microgel; actuation speed enhancement by elastic instability

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Article information

DOI
https://doi.org/10.1039/C0SM00092B
Article type
Communication
Submitted
11 Mar 2010
Accepted
09 Jul 2010
First published
11 Aug 2010

Soft Matter, 2010,6, 4342-4345

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First jump of microgel; actuation speed enhancement by elastic instability

H. Lee, C. Xia and N. X. Fang, Soft Matter, 2010, 6, 4342 DOI: 10.1039/C0SM00092B

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