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Hydrodynamic diameter (DH) and zeta-potential (ζ) of ZnO, ZnFe2O3, and Fe2O3 by dynamic light scattering (DLS)
| ZnO | ZnFe2O4 | Fe2O3 | |
|---|---|---|---|
| 6.25 μg/mL NPs in cell medium | |||
| DH (n m) | 296 ± 4 | 71 ± 18 | 133 ± 3 |
| ζ (mV) | −19 ± 1 | −17 | 27 ± 1 |
| 50 μg/mL NPs in cell medium | |||
| DH (nm) | 283 ± 36 | 224 ± 14 | 144 ± 2 |
| ζ (mV) | −13 | −23 | 6 |
| 200 μg/mL NPs in cell medium | |||
| DH (n m) | 357 ± 8 | 338 ± 23 | 137 ± 1 |
| ζ (mV) | −31 | −21 | 36 |
