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Figure 7. Confocal microscopy images after 6 h incubation of living HCT-116 colorectal cancer cells with FITC-galactose-modified PSiO2 nanoparticles ( = MSN-FITC-gal) at 37°C. Merged pictures of both section A and B indicated the co-localization (yellow) of FITC-nanoparticles (green) with lysosomal or endosomal markers, respectively. Reprinted with permission from reference 113.
