Fig. 4.

Cellular uptake of folate-conjugated liposomes in HCT 116 cells and CCD 841 CoN cells. a, b Representative confocal laser scanning microscopy images of incubated (a) HCT 116 cells and (b) CCD 841 CoN cells with folate-conjugate liposomes (25 µM) for 1 h. Scale bar is 75 µm