Table 2 Solubilized extracellular and intracellular cobalt content, and intracellular zinc content, measured by ICP-MS, after exposure of BEAS-2B cells to Co 3 O 4 particles for 72 h
Co exposure concentration (μg.mL−1) | Extracellular solubilized Co (μg.mL−1) | Intracellular solubilized Co (fg/cell) | Intracellular Zn (fg/cell) |
|---|---|---|---|
Control | 0 | 0.4 ± 0.1 | 57 ± 17 |
IC25 | 0.11 ± 0.01 | 6.5 ± 2.0 | 103 ± 31 |
IC50 | 0.29 ± 0.02 | 16.5 ± 5.0 | 135 ± 40 |