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Result of orthogonal-design experiments L9(34)
| No. | A | B | C | D | EE (S1) |
|---|---|---|---|---|---|
| 1 | 1 | 1 | 1 | 1 | 70.53 |
| 2 | 1 | 2 | 2 | 2 | 88.75 |
| 3 | 1 | 3 | 3 | 3 | 80.45 |
| 4 | 2 | 1 | 2 | 3 | 65.98 |
| 5 | 2 | 2 | 3 | 1 | 83.67 |
| 6 | 2 | 3 | 1 | 2 | 87.20 |
| 7 | 3 | 1 | 3 | 2 | 60.46 |
| 8 | 3 | 2 | 1 | 3 | 86.45 |
| 9 | 3 | 3 | 2 | 1 | 90.36 |
| S1 K1 | 79.91 | 65.66 | 81.39 | 81.52 | |
| K2 | 78.95 | 86.29 | 81.70 | 78.80 | |
| K3 | 79.09 | 86.00 | 74.86 | 77.63 | |
| R | 0.96 | 20.63 | 6.84 | 3.89 |
AThe molecular weight of PLA,Bthe ratio of PLA to SPC (wt/wt),Cthe ratio of MMC to SPC (wt/wt),Dthe ratio of oil to water solution (v/v),EE(%) drug entrapment efficiency
