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Processes 2013, 1(2), 153-166; doi:10.3390/pr1020153
Article

Photochemical Patterning of Ionically Cross-Linked Hydrogels

,
 and *
Department of Chemistry & Biomolecular Science, Clarkson University, Potsdam, NY 13699, USA
* Author to whom correspondence should be addressed.
Received: 5 June 2013 / Revised: 24 July 2013 / Accepted: 15 August 2013 / Published: 22 August 2013
(This article belongs to the Special Issue Feature Papers)
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Abstract

Iron(III) cross-linked alginate hydrogel incorporating sodium lactate undergoes photoinduced degradation, thus serving as a biocompatible positive photoresist suitable for photochemical patterning. Alternatively, surface etching of iron(III) cross-linked hydrogel contacting lactic acid solution can be used for controlling the thickness of the photochemical pattering. Due to biocompatibility, both of these approaches appear potentially useful for advanced manipulation with cell cultures including growing cells on the surface or entrapping them within the hydrogel.
Keywords: alginate; photoresist; iron; responsive hydrogel alginate; photoresist; iron; responsive hydrogel
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Bruchet, M.; Mendelson, N.L.; Melman, A. Photochemical Patterning of Ionically Cross-Linked Hydrogels. Processes 2013, 1, 153-166.

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