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. 2021 Sep 17;13(18):3152. doi: 10.3390/polym13183152

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© 2021 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 (https://creativecommons.org/licenses/by/4.0/).

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Retention, wettability and mechanical properties. (a) GNP_GH was able to conserve moisture and significantly different from NC_GH groups, which were unstable in liquid environments. (b) GNP_GH groups were assigned as hydrophilic scaffolds (wettability ˂ 90°) and significantly more hydrophilic than NC_GH groups. (c) GNP crosslinking enhanced the elasticity of GH. (d) and (e) GNP_GH groups were slightly more resilient and adhesive than NC_GH groups. * represented significant difference (p ˂ 0.05, n = 3, N = 3).