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. 2015 Oct 9;13:67. doi: 10.1186/s12951-015-0129-x

Fig. 7.

Fig. 7

Clonogenic assays demonstrate the radiosensitization effects of GNPs and GAL-PEG-GNPs to HepG2 cells. The cells were exposed to 0 to 8 Gy of 6 MeV X-ray. A dose-dependent clonogenic survival of HepG2 cells. The regression curves were fit to the linear-quadratic model. The SERs of GNPs/X-ray group and GAL-PEG-GNPs X-ray group were 1.46, and 1.95, respectively