Figure 1From: Cytotoxicity and oxidative stress induced by different metallic nanoparticles on human kidney cells Microscopy characterizations of NPs. Transmission Electron Microscope (TEM) images of TiO2 (a), ZnO (b) and CdS (c). NPs and size distribution analysis of TiO2 (d), ZnO (e) and CdS (f) NPs in culture medium. (TEM scale bars (a): 25 nm, (b): 50 nm and (c): 10 nm). Images were taken at × 375K, 150K and 1000 K, respectively).Back to article page