Fig. 6From: Triphenyl Phosphine-Functionalized Chitosan Nanoparticles Enhanced Antitumor Efficiency Through Targeted Delivery of Doxorubicin to MitochondriaQuantification of ROS generation in cells treated with free Dox and Dox-loaded TPP-NPs at different time. a A549 cells. b Hela cells. Data are presented as means ± SD (n = 3). +P < 0.05 vs control group at 12 h, *P < 0.05 vs control group at 24 h, #P < 0.05 vs control group at 48 hBack to article page