Fig. 7

Cytotoxicity evaluation of different groups of nanostructured BiNPs, Bi@Chi, Bi@Chi-SCR, and Bi@Chi-DEC NPs at concentrations of 50, 100, 200, 300, and 400 nM on MDA-MB-231 cells in the condition of (A) without X-ray exposure and (B) with X-ray exposure. *p < 0.05, **p < 0. 01, *** p < 0.001, and ****, p < 0.0001.