Research Article

Natural Transformation of Zinc Oxide Nanoparticles and Their Cytotoxicity and Mutagenicity

Figure 2

Morphology changes in cells after exposure to pristine or alkalized nanoparticles (NPs) for 72 h in supplemental Ham’s F12 medium. cell morphology was observed with an optical microscope at 20x magnification for control groups and 10x magnification for NP-treated groups.