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Figure 5 | Nanoscale Research Letters

Figure 5

From: Study on the visible-light-induced photokilling effect of nitrogen-doped TiO2 nanoparticles on cancer cells

Figure 5

Micrographs of the distributions of nuclei and TiO 2 nanoparticles in HeLa cells. (a) the distribution of nuclei (blue), (b) the distribution of TiO2 nanoparticles (red), (c) DIC micrograph, and (d) the merged image of (a), (b), and (c), in which the violet color denotes the co-localization of TiO2 nanoparticles with nuclei. The images displayed at the bottom and right side of (d) were the X-Z and Y-Z profiles measured along the lines marked in the main image, showing the 3D distributions of TiO2 nanoparticles and nuclei.

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