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. 2015 Sep 30;1(2):135–161. doi: 10.3390/gels1020135

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© 2015 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

Photographs of chi/aga-1.5 ferrogels loaded with magnetic nanoparticles at 2.0% and 5.0% (w/v) and their SEM images corresponding to the (a) surface and (b) cross section. Adapted with permission from reference [51]. Copyright ^© 2015 MDPI.