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Schematic illustration of the preparation progress of PGA/SF-DFO nanofibrous scaffolds, the possible mechanism of wound healing activity of scaffolds, and their application for diabetic wound healing. (A) The preparation process of PGA/SF-DFO nanofibrous scaffolds. (a) Dissolution. (b) Electrospinning. (c) Cross-linking. (B) The possible mechanisms of wound healing activity of scaffolds and their application in diabetic wound healing.
