Table 2.

Radiobiological parameters based on linear quadratic model extrapolated from cell survival curves for each brachytherapy methods, with and without AuNPs

Brachytherapy energy	Cell type	AuNPs (mM)	α (Gy−1)	β (Gy−2)	DEF
380 keV (192Ir)	A549	0	0.112	0.007	1.54
		1	0.251	0.005
	DU145	0	0.156	0.007	1.68
		1	0.276	0.005
50 kV (eBx™)	A549	0	0.093	0.005	2.06
		1	0.183	0.003
	DU145	0	0.094	0.017	2.90
		1	0.285	0.027

Abbreviations: AuNP, gold nanoparticle; DEF, dose enhancement factor.