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| chitosan concentration (mg/mL) | particle size (nm) | PI | zeta potential (mV) | loading (μg/mg formulationb) |
|---|---|---|---|---|
| 0.5 | 434 ± 39 | 0.31 ± 0.21 | –32 ± 2 | 2.4 ± 0.3 |
| 1.5 | 563 ± 93 | 0.45 ± 0.15 | –37 ± 6 | 9.1 ± 0.2 |
| 3 | 970 ± 65 | 0.71 ± 0.13 | –31 ± 7 | 18.8 ± 1.2 |
Results are expressed as mean ± standard deviation (SD; n = 3).
Formulation weight includes the total of chitosan and alginate weight.
