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Average radius and ζ-potential of the SiNPs as determined by TEM, DLS and electrophoretic mobility measurements, respectively. TEM statistics are based on the measurement of at least 1500 individual nanoparticles.
| trade name | sample name | rn (TEM) [nm] | rZ (TEM) [nm] | RH (DLS) [nm] | PDI (DLS) | ζ-potential [mV] |
| Ludox TMA | SiNP-22 | 12 ± 3 | 15 ± 3 | 19 ± 2 | 0.14 | −31.6 |
| Ludox HS-30 | SiNP-12 | 7 ± 2 | 9 ± 2 | 10 ± 1 | 0.17 | −11.2 |
| Ludox SM-30 | SiNP-7 | 5 ± 1 | 7 ± 1 | 11 ± 1 | 0.26 | −25.3 |
