Table 4.
SOD activity in HEK 293 T cells after 24 h and 72 h incubation with 20 nm and 100 nm Au NPs (pcs/mL).
| Controls or pcs/mL | 24 h∗ SOD activity (inhibition rate percent) |
72 h SOD activity (inhibition rate percent) |
||
|---|---|---|---|---|
| Control | 69.36 (66.52–71.55) | 72.867 (70.9–75.71) | ||
| 20 nm | 100 nm | 20 nm | 100 nm | |
| 1.6 × 107 | 71.99 (66.30–73.52) | 67.62 (63.02–74.18) | ||
| 1.6 × 109 | 66.08 (66.08–73.09) | 76.15 (75.06–77.46) | 75.49 (61.05–79.43) | 66.30∗ (66.08–73.3) |
| 1.6 × 1011 | 64.99 (61.05–72.21) | 69.80 (68.05–69.8) | ||
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).