Fig. 5.

In vivo diabetic wound healing assessment of multifunctional hydrogels. a) Treatment schedule of diabetic wounds treated by different hydrogel formulations. b) Representative images of the diabetic wounds at different times. c) Wound traces of the healing process. d) Quantification of relative wound area on day 10 after treatment. e) Quantification of wound contraction during the healing process. f) H&E staining of wound sections in all groups on day 10. g) Epidermis thickness on day 10. h) MT images of wounds on day 10. i) Collagen accumulation on day 10 based on MT staining. *p < 0.05, **p < 0.01, ***p < 0.001.