Fig. 2

a Confocal laser scanning microscopy image of CAL-33 cells incubated with 1 µM D-Lipidots (50 nm) for 6 h. Scale bar 20 µm. b Flow cytometry analyses of CAL-33 cells incubated with 1 µM D-Lipidots (50 nm) for 2 h (pink), 3 h (light brown), 6 h (red), as compared to control (grey)