Table 3. Basic Properties of Sulfonated and Nonsulfonated NPs.
| nonsulfonated
NPs |
sulfonated
NPs |
|||||
|---|---|---|---|---|---|---|
| properties | @NPs | ChlE@NPs | @NPs | ChlE@NPs | Chla@NPs | ChlaCar@NPs |
| diameter (DLS) (nm) | 278 | 227 | 64 | 61 | 60 | 60 |
| zeta potential (mV) | –34 | –31 | –33 | –26 | –31 | –34 |
| number of NPs in 1 mL dispersion | 2.60 × 1010 | 4.48 × 1010 | 1.41 × 1013 | 2.02 × 1013 | 1.98 × 1014 | |
| surface (nm2) | 243 000 | 162 000 | 13 000 | 12 000 | 11 000 | 11 000 |
| surface/volume (nm–1) | 0.02 | 0.03 | 0.09 | 0.10 | 0.10 | 0.10 |
| appearance | milky | milky green | transparent | transparent green | transparent green | milky orange |