Figure 10

Fluorescent microscopy images of ROS alteration in Zebrafish embryos exposed to ZnO nanoparticles at 72hpf. Embryos were stained with ROS marker 2,7-dichlorodihydrofluorescein diacetate (H2DCFDA). (A) Untreated Embryo (B) Bulk ZnO treated embryo (C) 7 h ZnO nanoparticles treated embryo (D) 10 h ZnO nanoparticles treated embryo.