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Cellular uptake of PMELNVs by HDFs and the antioxidant effect of PMELNVs in HDFs. (A) Uptake of PMELNVs by HDF cells. (B and D) PMELNVs reduce ROS production in UVB-damaged HDF cells and their quantification of fluorescence intensity. (C) Cytotoxic effect of PMELNVs on HDF cells. (E and F) PMELNVs reduce the production of MDA and LDH in UVB-damaged HDF cells. (G and H) JC-1 staining semiquantification of fluorescence images.
