Fig. 3

Intracellular uptake of DVDMS. a Intracellular localization of DVDMS (red) in HCT116 cells and RKO cells. The nuclei were stained with DAPI (blue). Scale bar 50 µm. b Measurement of fluorescence intensity of intracellular DVDMS in HCT116, RKO and NCM460 cells with different incubation durations by a microplate reader and flow cytometry