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. 2023 Aug 1;23(4):661–670. doi: 10.17305/bb.2022.8550

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© 2023 Ye et al.

This article is available under a Creative Commons License (Attribution 4.0 International, as described at https://creativecommons.org/licenses/by/4.0/).

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Figure 6. — Histograms comparing the viability of human dermal fibroblast cells cultured on the chitosan/alginate, chitosan/alginate/CHNPs, and chitosan/alginate/ALCHNPs hydrogels in the presence of 1% v/v H₂O₂. Negative and positive control groups are the cells cultured on tissue culture plate with and without H₂O₂, respectively. a, b, c, and d show the P value <0.05 relative to chitosan/alginate, chitosan/alginate/CHNPs, chitosan/alginate/ALCHNPs, and negative control groups, respectively. Data are presented as mean ± standard deviation. CHNPs: Chitosan nanoparticles; ALCHNPS: Allopurinol-incorporated CHNPs.