AuNP post-synthesis characterization.
| Characteristics | Batches | |||
|---|---|---|---|---|
| Name | 4 | 8 | 11 | 26 |
| Material | Au | Au | Au | Au |
| Stabilizer | Sodium citrate | Sodium citrate | Sodium citrate | Sodium citrate |
| Diameter by STEM [nm] | 4.0 ± 0.6 | 8.8 ± 1.5 | 11.8 ± 0.8 | 26.4 ± 3.0 |
| Hydrodynamic Diameter [nm] | 5.6 ± 1.4 | 12.8 ± 3.0 | 15.1 ± 3.7 | 36.8 ± 14.1 |
| Absorption peak [nm] | 504 | 519 | 516 | 523 |
| Z potential [mV] | Not detected. | −49.3 ± 5.0 | −47.0 ± 5.0 | −35.6 ± 0.6 |
| Concentration [NPs per ml] | 5.0 × 1013 | 5.0 × 1012 | 6.0 × 1012 | 1.7 × 1012 |
| Au concentration [mM] | 0.167 | 0.166 | 0.500 | 1.650 |
| Au concentration [mg mL−1] | 0.033 | 0.033 | 0.100 | 0.325 |
| Total surface area [nm2 mL−1] | 2.5 × 1015 | 1.2 × 1015 | 2.6 × 1015 | 3.8 × 1015 |