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. 2024 Sep 19;22:576. doi: 10.1186/s12951-024-02789-7

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© The Author(s) 2024

Open Access This article is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License, which permits any non-commercial use, sharing, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if you modified the licensed material. You do not have permission under this licence to share adapted material derived from this article or parts of it. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by-nc-nd/4.0/.

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Fig. 2 — The evaluation of FA hydrogels biocompatibility. (A) Calcein-AM/PI staining of HaCaT cells after incubation with FA hydrogels extracts for 24, 48, and 72 h. (B) The cell viability was measured via CCK8 assay after incubation with FA hydrogels extracts for 24, 48, and 72 h. (C) The migration of fibroblast was evaluated with wound healing assay. (D) The hemolysis ratios of FA hydrogels were evaluated. *** p < 0.001 compared with group Triton-100