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Issue 77, 2018
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3D shape change of multi-responsive hydrogels based on a light-programmed gradient in volume phase transition

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Abstract

We present a new multi-responsive hydrogel based on oligo(ethylene glycol) methacrylate (OEGMA) and incorporating the photosensitive monomer 4-acetoxystyrene (AOST). Light irradiation creates a gradient in the volume phase transition temperature (VPTT) across the hydrogel, resulting in stimuli-responsive 3D deformations, with a largest achievable bending angle of 354°. The gradient hydrogels exhibited controllable, reversible and repeatable 3D deformations driven by changes in temperature or ionic strength. Multiple complex shape changes were achieved through patterned illumination.

Graphical abstract: 3D shape change of multi-responsive hydrogels based on a light-programmed gradient in volume phase transition

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Article information


Submitted
10 Aug 2018
Accepted
06 Sep 2018
First published
06 Sep 2018

Chem. Commun., 2018,54, 10909-10912
Article type
Communication

3D shape change of multi-responsive hydrogels based on a light-programmed gradient in volume phase transition

Z. Jiang, R. J. Pibaque Sanchez, I. Blakey and A. K. Whittaker, Chem. Commun., 2018, 54, 10909
DOI: 10.1039/C8CC06515B

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