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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/).
(A) Quantification and (B) the live/dead assay of HC-laden γ-PGA-GMA hydrogels with various HA concentrations for different days. * indicates significant difference (p < 0.05) from HA0. Data are presented as mean ± SEM, n = 6 for each group. The scale bar is 400 µm.