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Biological characteristic evaluation of the PLA-Gelatin nano-scaffold.
Notes: (A) Toluidine blue staining of chondrocytes. (B) Chondrocytes grew well in and around the PLA–gelatin nano-scaffold. (C) 1 hour after the PLA–gelatin nano-scaffold leach liquor (left) and 0.9% saline (right) were injected into the skin. (D) 48 hours after the PLA–gelatin nano-scaffold leach liquor (left) and 0.9% saline (right) were injected into the skin.
