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Characteristics of nanoparticles at various pH values.
| pH | Diameter (nm) | Polydispersity | ζ-Potential (mV) |
|---|---|---|---|
| 4.92 | 293 ± 42 | 0.38 ± 0.02 | 10.9 ± 2.4 |
| 4.97 | 345 ± 16 | 0.34 ± 0.02 | 15.6 ± 1.1 |
| 4.98 | 440 ± 58 | 0.36 ± 0.03 | 18.0 ± 1.3 |
| 5.09 | 592 ± 62 | 0.35 ± 0.01 | 17.6 ± 0.3 |
