Fig. 7
From: Piezoelectric-immunomodulatory electrospun membrane for enhanced repair of refractory wounds
PLLA@Ga + US promotes diabetic wound healing. (a-b) Photographs of wounds at predetermined time points and superimposed images of wounds after various treatments. (c) Areas of unhealed wounds in each group at different time intervals. (d) H&E staining. (e) Corresponding quantitative analysis of the granulation tissue width. (f) Masson’s trichrome staining. (g) Statistical analysis of collagen deposition during the remolding phase. (h) Representative immunofluorescence staining of microvessel of wound. (i) Statistical analysis of microvessel density. Data are presented as mean ± SD (n = 3). “ns” represent “no significant”; *P < 0.05; ***P < 0.001