Fig. 3From: A redox-responsive dihydroartemisinin dimeric nanoprodrug for enhanced antitumor activity(A) CLSM images of HepG2 cells incubated with SS and C6 NPs at 37 °C for 4 h. Scale bars, 20 μm. In vitro cytotoxicity against (B) HepG2 cells and (C) HL-7702 cells of free DHA and SS NPs at different concentrations after incubation for 48 h. (D) Flow cytometry data for apoptosis in HepG2 cells treated with different concentrations of SS NPsBack to article page