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Porcine dECM biochemical detection and Cu-EGCG detection. (A) Optical photos and microphotographs of DAPI, H&E, and Masson staining of porcine NS and dECM. (B) DNA, GAG, and collagen content of NS and dECM. (C) TEM images of Cu-EGCG. (D) EDS element mapping images of Cu-EGCG. (*P < 0.05, ***P < 0.001.)
