Table 5.

GPx activity of HEK-293 T 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 (0.169–0.254)		0.254 (0.198–0.282)
	20 nm	100 nm	20 nm	100 nm
1.6 × 107		0.226 (0.212–0.226)		0.254 (0.254–0.282)
1.6 × 109	0.240 (0.183 – 0.282)	0.212 (0.141–0.282)	0.212 (0.169–0.282)	0.212 (0.198–0.226)
1.6 × 1011	0.226 (0.155 – 0.240)		0.169 (0.155–0.226)

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