Table 3.
Effect of PPE loading at different concentrations on average diameter, zeta potential (ZP), and poly-dispersity index (PDI) of CSNPs.
| Chitosan:PPE (w/w) | Z-average Diameter (nm) | Zeta Potential (mV) | Poly-Dispersity Index (PDI) | Encapsulation Efficiency (EE%) | Loading Capacity (LC%) |
|---|---|---|---|---|---|
| 1:0 | 173.9 ± 3.6 *e | 36.3 ± 0.85 a | 0.250 ± 0.011 d | - | - |
| 1:0.25 | 198.0 ± 4.1 d | 24.8 ± 0.89 b | 0.260 ± 0.015 d | 69.7 ± 1.05 a | 13.8 ± 0.15 c |
| 1:0.50 | 208.2 ± 4.8 c | 26.5 ± 1.80 b | 0.368 ± 0.012 c | 50.5 ± 1.25 b | 20.0 ± 0.38 a |
| 1:0.75 | 224.1 ± 5.8 b | 20.8 ± 0.85 c | 0.399 ± 0.013 b | 31.7 ± 0.95 c | 18.9 ± 0.21 b |
| 1:1.00 | 897.7 ± 35.4 a | 2.95 ± 0.22 d | 0.682 ± 0.035 a | 26.3 ± 1.55 d | 20.7 ± 0.57 a |
* Data are mean of triplicate measurements ± SD. Different alphabetical letters in each column show significant (p < 0.05) differences between means.