Issue 5, 2006

A redox responsive polymeric gel based on ionic crosslinking

Abstract

We report here an electrochemically responsive polymer hydrogel based on ionic crosslinking. The crosslinking by metal cations and anionic carboxylic acid side groups can be controlled by redox reactions. The crosslinks dissociate when the cation crosslinker is reduced to a lower oxidation state and reform following oxidation, which leads to a reversible and localized swelling–contraction. By choosing biocompatible components and miniaturization designs, the system has potential in microrobotic and biomedical applications.

Graphical abstract: A redox responsive polymeric gel based on ionic crosslinking

Article information

Article type
Paper
Submitted
30 Nov 2005
Accepted
23 Feb 2006
First published
14 Mar 2006

Soft Matter, 2006,2, 397-401

A redox responsive polymeric gel based on ionic crosslinking

S. Fei, M. V. B. Phelps, Y. Wang, E. Barrett, F. Gandhi and H. R. Allcock, Soft Matter, 2006, 2, 397 DOI: 10.1039/B516972K

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