Fig. 7

Histology analysis of the stimulatory effect of (BY + EGF)@MNs on skin wound healing. a Masson, immunofluorescence staining (including VEGF, CD31, VIM) of images on day 10. The VEGF, CD31, VIM are indicated in green in the corresponding images. Scale bars are 2 mm, 200 μm, 400 μm, 50 μm, and 100 μm from top to bottom in (a). b–e Quantitative analysis of the collagen deposition, VEGF, CD31, and vimentin synthesis (VIM) (n = 5)