Figure 4.

A) CLSM images of MDA‐MB‐231 (upper row), HeLa (middle row), and NIH‐3T3 cell lines treated by cRGD‐CPN6 for 6 h, the nucleus was stained by Hoechst. Red channel: E _x = 543 nm, E _m = above 605 nm; blue channel: E _x = 405 nm, E _m = 430–470 nm.