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. Author manuscript; available in PMC: 2014 Oct 22.
Published in final edited form as: ACS Nano. 2013 Sep 20;7(10):8715–8727. doi: 10.1021/nn403080y

Figure 8.

Figure 8

Target cell uptake and toxicity of carbon black, CuS, and CuO NPs. (A) Confocal images of murine macrophages after exposure to 5 ppm of test particles for 3 hours; nuclei were visualized (blue fluorescence) using 4′6-diamidino-2-phenylindole (DAPI). (B) Brightfield microscopic images of murine macrophages 24 hours after exposure to 5 ppm of test nanoparticles. (C) Viability of target cells 24 hours after exposure to 5 ppm of test nanoparticles. Viable cells show green cytoplasmic fluorescence (Syto 10/ethidium homodimer assay).