Table 1.

Values of α, β, LD₅₀, DEF, and R² values of HT-29 and CHO cells in different groups

Groups	α (Gy−1)		β (Gy−2)		LD50 (Gy)		DEF		R2
	CHO	HT-29	CHO	HT-29	CHO	HT-29	CHO	HT-29	CHO	HT-29
IR	0.064±0.016	0.09±0.013	0.024±0.002	0.021±0.002	4.19	3.97	–	–	0.997	0.997
GNPs+IR	0.099±0.018	0.144±0.013	0.025±0.003	0.018±0.002	3.63	3.37	1.15	1.17	0.996	0.998
GNPs (24 h)+IR	0.17±0.017	0.213±0.013	0.019±0.003	0.016±0.002	3.03	2.69	1.38	1.47	0.997	0.998
EP+IR	0.145±0.02	0.174±0.024	0.02±0.003	0.021±0.004	3.27	2.92	1.28	1.36	0.996	0.998
GNPs+EP+IR	0.27±0.02	0.439±0.022	0.021±0.004	0.008±0.004	2.18	1.52	1.92	2.61	0.995	0.998
GNPs (24 h)+EP+IR	0.319±0.02	0.487±0.029	0.028±0.003	0.011±0.005	1.85	1.37	2.26	2.89	0.998	0.997

Note: The values are expressed as mean ± SEM.

Abbreviations: LD₅₀, 50% lethal dose; CHO, Chinese hamster ovary; IR, ionizing radiation; GNPs, gold nanoparticles; EP, electroporation; DEF, dose enhancement factor; SEM, standard error of mean.