Table 3.
Size (Dh), size distribution (PDI), and Z-potential of 0.1% w/v pristine and thiolated CS-g-PMMA nanoparticles in water at 25 and 37 °C, as measured by DLS.
| Copolymer | T [°C] | Non-crosslinked nanoparticles | Crosslinked nanoparticles | ||||
|---|---|---|---|---|---|---|---|
| Dh (nm) ± S.D. (Relative intensity %) | PDI | Z-Potential (mV) | Dh (nm) ± S.D. (Relative intensity %) | PDI | Z-Potential (mV) | ||
| Unmodified CS-g-PMMA | 25 | 127 ± 9 (100) | 0.389 | +27 | 241 ± 11 (100) | 0.192 | +18 |
| Thiolated CS-g-PMMA | 156 ± 6 (94) 25 ± 3 (6) |
0.288 | +33 | 221 ± 11 (100) | 0.237 | +26 | |
| Unmodified CS-g-PMMA | 37 | 184 ± 4 (100) | 0.201 | +25 | 332 ± 52 (100) | 0.336 | +17 |
| Thiolated CS-g-PMMA | 155 ± 5 (94) 28 ± 1 (6) |
0.282 | +37 | 192 ± 5 (100) | 0.228 | +29 | |