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Mean volume diameter (dv) of vesicles and insulin encapsulation efficiency percent (EE%) in surfactant/ cholesterol (7:3 molar ratio) niosomes prepared by film hydration method (mean ± SD, n = 3).
| Surfactant | HLB | dv (µm) | EE% |
|---|---|---|---|
| Brij 52 | 5.3 | 13.39 ± 0.25 | 31.42 ± 3.68 |
| Brij 92 | 4.9 | 6.41 ± 0.09 | 35.20 ± 8.10 |
| Span 60 | 4.3 | 5.75 ± 0.07 | 39.35 ± 2.34 |
