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. 2015 Sep 9;8(9):6004–6017. doi: 10.3390/ma8095286

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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/).

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(a–d) SEM image of NH₂-Alginate/silica; (e) TEM image of NH₂-Alginate/silica; (f) the amount of NH₂-Alginate/silica as a function of NaCl concentration.