Figure 5From: Cytotoxicity, oxidative stress, and genotoxicity in human hepatocyte and embryonic kidney cells exposed to ZnO nanoparticlesEffect of ZnO NPs on oxidative stress. (A) Effect of ZnO NPs on MDA. (B) Effect of ZnO NPs on GSH level. (C) Effect of ZnO NPs on SOD activity (single asterisk, p < 0.05 and double asterisk, p < 0.01, as compared with the control group).Back to article page