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. 2018 Dec 5;8(12):1011. doi: 10.3390/nano8121011

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© 2018 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 (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Density of PVP/CNC composites as a function of the CNC content: (a) films; (b) aerogels. The error bars are the standard deviations in repeated experiments.