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Montage of z-slices obtained with confocal microscopy. The HeLa cells were incubated with Rh-labeled PL and TPP-PEG-L-8 % (red channel, laser 540 nm) for 18 h before analysis of their mitochondrial co-localization using MTG (green channel, Laser 490 nm). Hoechst 33342 was used for staining nuclei (blue channel, Laser 405 nm). Merged images of selected slices (z-2,4,6,8,10,11) from a total of 12 slices (slice thickness. 0.75 µM) are displayed.
