Exposure | Dose level |
---|---|
Control vehicle | 0 µg/mouse (0 mg/mL) |
ZnO | 0.7 and 2 µg/mouse (0.014 and 0.04 mg/mL) |
CuO | 2, 6 and 12 µg/mouse (0.04, 0.12 and 0.24 mg/mL) |
Al2O3 | 18 and 54 µg/mouse (0.36 and 1.08 mg/mL) |
SnO2 | 54 and 162 µg/mouse (1.08 and 3.24 mg/mL) |
TiO2 | 162 µg/mouse (3.24 mg/mL) |
Printex 90 | 162 µg/mouse (3.24 mg/mL) |