Fig. 7From: Synergistic effect of chitosan-alginate composite hydrogel enriched with ascorbic acid and alpha-tocopherol under hypoxic conditions on the behavior of mesenchymal stem cells for wound healinga Swelling rate of lyophilized composite hydrogels. Tow-Way ANOVA and Tukey post hoc analysis, ****p < .0001, and “ns” represent no significant difference between groups. b Images of lyophilized hydrogels before and after immersion in the PBS (n = 3)Back to article page