Table 2. DNA damage of GC-2spd cells induced by silica nanoparticles (Mean ± S.E.).

Concentration (μg mL–1)	Tail length (μm)	Tail DNA%	Tail moment (μm)	Olive tail moment
Control	11.38 ± 1.84	12.09 ± 2.26	2.82 ± 0.73	2.56 ± 0.56
6.25	16.46 ± 2.36	15.21 ± 1.92	3.46 ± 0.69	3.50 ± 0.55
12.5	34.65 ± 3.38*	23.28 ± 2.78*	10.29 ± 1.82	8.57 ± 1.18
25	51.18 ± 3.06*	39.86 ± 1.73*	21.85 ± 1.81*	15.67 ± 1.15*
50	116.45 ± 15.01*	42.28 ± 3.48*	58.01 ± 11.24*	37.08 ± 6.02*