Table 1.
Hydrodynamic diameter (nm), polydispersity index (PdI) and Z-potential of the different formulations obtained by dynamic light-scattering (DLS) measurements.
| NPs-Formulation | Average Size (nm) | PdI | Z-potential (mV) |
|---|---|---|---|
| NPs | 115.0 ± 0.4 | 0.41 ± 0.03 | −14.4 ± 1.3 |
| DAS-NPs | 119.3 ± 1.0 | 0.23 ± 0.01 | −12.2 ± 1.2 |
| (PEI)NPs | 120.8 ± 0.9 | 0.16 ± 0.05 | +55.7 ± 1.5 |
| DAS-(PEI)NPs | 155.5 ± 2.6 | 0.52 ± 0.11 | +32.1 ± 0.6 |
| TAB-(PEI)NPs | 115.5 ± 1.8 | 0.21 ± 0.02 | +46.3 ± 1.0 |
| TAB-DAS-(PEI)NPs | 132.1 ± 2.5 | 0.19 ± 0.01 | +27.7 ± 0.5 |