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Zeta potential and average hydrodynamic diameter of the graphene family materials used in the experiments. Results are presented as the mean ± standard deviation.
| Parameter | GN | nGO | GO |
|---|---|---|---|
| Zeta potential (mV) | 11.0 ± 0.62 | −13.7 ± 0.46 | −64.3 ± 2.31 |
| Average hydrodynamic diameter (nm) | 5210.7 ± 2001.17 | 1740.0 ± 186.20 | 1246.7 ± 39.40 |
