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PCN-miR/Col hydrogel exerts antioxidant and neovascularization properties to promote healing of oxidative diabetes wound. (A) Schematic of PCN-miR/Col hydrogel preparation, antioxidation, and vascularization in chronic wounds. (B) In vivo results of ROS by immunofluorescence. (C) Quantitative analysis of results shown in (B). *p < 0.05. (D) Masson staining images from day 28 post-operation. Scale bars, 100 μm. Reproduced with permission from Wu et al. (2019).
