Table 11.

GPx activity of A375 cells after 24 h and 72 h incubation with 20 nm and 100 nm Au NPs (pcs/mL).

Control or pcs/mL	24 h GPx activity (U/mg proteins)		72 h GPx activity (U/mg proteins)
Control	0.198 (0.155–0.282)		0.254 (0.141 – 0.381)
	20 nm	100 nm	20 nm	100 nm
1.6 × 107		0.226 (0.2120.325)		0.282 (0.254–0.381)
1.6 × 109	0.226 (0.198–0.296)	0.212 (0.183–0.296)	0.282 (0.282–0.367)	0.268 (0.155–0.367)
1.6 × 1011	0.240 (0.183–0.353)		0.240 (0.198–0.296)

Results are expressed as median (lower quartile–upper quartile).