Figure 1From: ZnO nanoparticle-induced oxidative stress triggers apoptosis by activating JNK signaling pathway in cultured primary astrocytesCharacterization of ZnO nanoparticles. (A) Transmission electron microscope (TEM) image of ZnO NPs. Scale bars, 100 nm. Magnification × 100,000. (B) Size distributions of ZnO NPs in H2O or DMEM/F12 were analyzed by dynamic light scattering, respectively.Back to article page