Table 13.
TEAC of A549 cells after 24 h and 72 h incubation with 20 nm and 100 nm Au NPs (pcs/mL).
| Controls or pcs/mL | 24 h∗ TEAC (mmol of trolox/μg proteins) |
72 h TEAC (mmol of trolox/μg proteins) |
||
|---|---|---|---|---|
| Control • | 0.041 (0.040-0.044) | 0.056∗ (0.056-0.059) | ||
| 20 nm | 100 nm | 20 nm | 100 nm | |
| 1.6 × 107 | 0.063•¥¥¥ (0.059-0.063) | 0.040•••∗¥ (0.032-0.040) | ||
| 1.6 × 109 + ¥ | 0.040 (0.036-0.042) | 0.033 (0.029-0.036) | 0.046 (0.043-0.049) | 0.054∗ (0.047-0.054) |
| 1.6 × 1011 | 0.054•+ (0.053-0.059) | 0.040••∗ (0.034-0.042) | ||
Results are expressed as median (lower quartile–upper quartile). •,••,•••Significance between control cells and cells incubated with NPs of a given size and concentration (•P < 0.05, ••P < 0.01, •••P < 0.001). ∗Significance over time (between 24 h and 72 h) in cells incubated with NPs of a given size and concentration (∗P < 0.05). +: Significance between cells incubated with 20 nm NPs at concentrations of 1.6 × 109 pcs/mL and 1.6 × 1011 pcs/mL (+P < 0.05). ¥, ¥¥¥: Significance between cells incubated with 100 nm NPs at concentration of 1.6 × 109 pcs/mL and 1.6 × 107 pcs/mL (¥P < 0.05, ¥¥¥P < 0.001).