Research Article

Zinc Oxide Nanoparticles as Diagnostic Tool for Cancer Cells

Figure 3

Morphological investigation of treated tumor and normal cells. (a) The normal cells of the breast did not accumulate ZnO NPs in treated cells. ZnO NPs internalized and aggregated within most tumor cells as illustrated (white arrow) from 1 h to 3.30 h in cells (b, c, d) RD, MCF7, and AMJ13. (e) The quantified data reveal a substantial difference in the concentration of ZnO NPs within tumor cells versus normal cells.