Fig. 12From: Facile and eco-friendly fabrication of biocompatible hydrogel containing CuS@Ser NPs with mechanical flexibility and photothermal antibacterial activity to promote infected wound healingMasson’s trichrome staining of the full-skin wound on days 6 and 12. The collagen fibers were dyed blue. Mature collagen fibers are arranged in lines and kept densifiedBack to article page