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. 2023 Feb 8;9(2):144. doi: 10.3390/gels9020144

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© 2023 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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(A) Steps in the synthesis of POx/PAA double-network hydrogels. (B) Compressive strength and failure load of AC and POx/PAA hydrogels in PBS (pH 7.4). (C) The friction coefficient of POx/PAA hydrogels lubricated by PBS (pH 7.4) and egg white. Reprinted with permission from Ref [75]. Copyright 2022, John Wiley and Sons.