Fig. 2From: Improve the cytotoxic effects of megavoltage radiation treatment by Fe3O4@Cus–PEG nanoparticles as a novel radiosensitizer in colorectal cancer cellsViabilities of HT-29 cells after treatment with different concentrations of Fe3O4@Cus–PEG nanoparticles for 24 h determined by the MTT assay (mean ± SD, n = 3)Back to article page