Fig. 9

The effect of the BGZ@GelMA hydrogel on the three wound healing stages. (A) Masson staining of the collected wound skin tissue in different groups at 7d and 14d. (B) Representative immunohistochemistry staining images of IL-6 and TNF-α in the different groups (scale bar: 50 μm). (C-D) Statistical analysis of the positive area (IL-6 and TNF-α). (E) Representative immunohistochemistry staining images of VEGF and CD31 in the different groups (scale bar: 50 μm). (F-G) Statistical analysis of the positive area (VEGF and CD31)