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Drug loading (DL) and encapsulation efficiency (EE) of curcumin at various drug–polymer ratios.
| Systems | Ratio (w/w) CUR: Copolymers | DL (%) | EE (%) |
|---|---|---|---|
| Curcumin-PLA-PEG-PLA | 1:50 | 1.9 ± 0.3 | 43.9 ± 2.1 |
| 1:20 | 4.4 ± 0.1 | 51.7 ± 2.5 | |
| 1:10 | 6.3 ± 0.2 | 61.4 ± 1.4 | |
| Curcumin-PEG-PLA-PEG | 1:50 | 1.2 ± 0.1 | 36.2 ± 1.9 |
| 1:20 | 3.6 ± 0.3 | 40.3 ± 2.8 | |
| 1:10 | 4.8 ± 0.6 | 52.3 ± 1.3 |
