Research Article

Cytotoxicity Evaluation of Ammonia-Modified Graphene Oxide Particles in Lung Cancer Cells and Embryonic Stem Cells

Figure 5

Fluorescent micrographs of FDA-stained A549 cells incubated 24 hours in the presence of GO (upper panel) and GO-NH2 (lower panel) nanoparticles at different concentrations. Magnification 10x.