Title

Novel hydrogel actuator inspired by reversible mussel adhesive protein chemistry

Document Type

Article

Publication Date

3-4-2014

Abstract

A novel hydrogel actuator that combines ionoprinting techniques with reversible catechol-metal ion coordination chemistry found in mussel adhesive proteins is developed. Deposited metal ions increase the local crosslinking density, which induces sharp bending of the hydrogel. Reversibly bound metal ions can be removed and reintroduced in a different pattern so that the hydrogel can be reprogrammed to transform into a different 3-dimentional shape.

Publisher's Statement

© 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. Publisher's version of record: http://dx.doi.org/10.1002/adma.201306137

Publication Title

Advanced Materials

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