Table 17.
GPx activity of A549 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 | 0.212 (0.198-0.254) | 0.155∗ (0.028-0.169) | ||
| 20 nm | 100 nm | 20 nm | 100 nm | |
| 1.6 × 107 | 0.169 (0.169 - 0.198) | 0.226 (0.127-0.254) | ||
| 1.6 × 109 | 0.183 (0.155-0.198) | 0.183 (0.141-0.226) | 0.141 (0.028-0.183) | 0.169 (0.169-0.212) |
| 1.6 × 1011 | 0.198 (0.141-0.212) | 0.141 (0.014-0.198) | ||
Results are expressed as median (lower quartile–upper quartile). ∗Significance over time (between 24 h and 72 h) in cells incubated with NPs of a given size and concentration (∗P < 0.05).