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. 2024 Feb 29;10(3):175. doi: 10.3390/gels10030175

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© 2024 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) Self-healing mechanism diagram of a chitosan-based hydrogel (HACC/DABC) [124]; (B) the self-healing properties of chitosan-based hydrogels (OQGG/CMCS) could be confirmed using Macro and micro evaluation methods [126].