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. 2014 May 22;7(5):4057–4087. doi: 10.3390/ma7054057

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© 2014 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/3.0/).

PMC Copyright notice

Figure 7. — Morphology of hybrid particles with 40 wt% silica and good size distribution. Panels (a) and (b) show TEM images at different magnifications. Reprinted with permission from [57]. Copyright 2013, Elsevier.