Fig. 8From: Tannic acid-functionalized 3D porous nanofiber sponge for antibiotic-free wound healing with enhanced hemostasis, antibacterial, and antioxidant propertiesHistological verification of wound healing. a-b H&E and c-d Masson’s trichrome staining of regenerated cutaneous tissue treated with specified dressings; b, d The corresponding zoon-in images of black dash squares in a and c, respectivelyBack to article page