Table 2.
Materials Investigated, colloidal characterization of suspensions in RPMI + 10% FBS.
| Material | dH (nm) | PdI | ζ (mV) | σ (mS cm−1) | ρEV (g cm−3) |
|---|---|---|---|---|---|
| VENGES Ag/SiO2 | 179.2 ± 4.1 | 0.41 ± 0.05 | −9.3 ± 1.3 | 12.7 ± 0.3 | 1.103 ± 0.004 |
| VENGES SiO2 | 182.7 ± 3.7 | 0.57 ± 0.03 | −7.3 ± 1.0 | 12.4 ± 0.1 | 1.126 ± 0.002 |
| VENGES Fe2O3 | 119.3 ± 1.2 | 0.44 ± 0.01 | −7.5 ± 1.0 | 11.9 ± 0.7 | 1.715 ± 0.024 |
| Alfa Aesar ZnO | 219.8 ± 79.2 | 0.75 ± 0.28 | −10.5 ± 2.4 | 12.4 ± 0.1 | 1.639 ± 0.019 |
| VENGES CeO2 | 127.8 ± 2.3 | 0.50 ± 0.01 | −3.6 ± 5.0 | 11.2 ± 0.2 | 2.089 ± 0.114 |
| Evonik TiO2 | 234.9 ± 4.9 | 0.27 ± 0.01 | −6.1 ± 4.8 | 11.4 ± 0.3 | 1.606 ± 0.008 |
ENM suspension properties: dH: hydrodynamic diameter, PdI: polydispersity index, ζ: zeta potential, σ: specific conductance, ρEV: effective density measured by VCM. Values represent the mean (± standard deviation) of triplicate measurements.