Table 1.

Summary of fitting parameters, D_SF10, and SER_SF10 in the absence or presence of GONs

Carbon-ion irradiation		α (Gy-1)	β (Gy-2)	R 2	DSF10 (Gy)	SERSF10
A549	Control	0.665		0.993	3.46
	0.5 μg/mL Gd	0.575		0.996	3.99	0.847
	5.0 μg/mL Gd	0.625		0.96	3.68	0.954
	10.0 μg/mL Gd	0.738		0.996	3.11	1.10
NH1299	Control	0.393	0.084	0.999	3.39
	0.5 μg/mL Gd	0.73	0	0.95	3.15	1.07
	5.0 μg/mL Gd	0.76	0	0.98	3.01	1.11
	10.0 μg/mL Gd	0.247	0.09	0.987	3.65	0.933
NH1650	Control	1.06	0.073	0.999	1.99
	0.5 μg/mL Gd	1.24		0.991	1.93	1.03
	5.0 μg/mL Gd	1.44		0.999	1.60	1.20
	10.0 μg/mL Gd	1.45		0.996	1.60	1.20

Coefficients α, β, and R² are fitting parameters using the linear-quadratic model; D_SF10 means the dosage of carbon ion irradiation at 10% cell survival fraction; SER_SF10 means sensitizer enhancement ratios of irradiated NSCLC cells at 10% cell fraction