Fig. 6

Cellular uptake of SeNPs@Am. a Fluorescence microscope images show the internalization of coumarin-6-loaded SeNPs@Am (green fluorescence) in HepG2 cells. b Real-time imaging for HepG2 cells treated with coumarin-6-loaded SeNPs@Am. The upper panel is merged images of the nanoparticles and nuclei, and the lower panel is DIC images. Magnification, ×400. c Time- and dose-dependent cellular uptake efficiency of SeNPs@Am by HepG2 cells. d Dose-dependent cellular uptake efficiency of SeNPs@Am by HUVEC-12 and HepG2 cells. Values expressed are means ± SD of triplicate

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