Table 3 Physicochemical characteristics of optimized ZT-SLN before and after lyophilization (mean ± SD, n = 3)
Condition | Size (nm) | PDI | ZP (mV) | Assay (mg) | EE (%) |
|---|---|---|---|---|---|
Pre-lyo | 109.4 ± 1.7 | 0.18 ± 0.03 | − 30.1 ± 1.9 | 9.9 ± 0.2 | 98.0 ± 2.1 |
Post-lyo | 272.8 ± 4.1 | 0.42 ± 0.09 | − 29.5 ± 2.1 | 9.8 ± 0.1 | 97.9 ± 2.8 |