Results of response surface experiments.
| Run | Temperature X1 (°C) | Time X2 (min) | Substrate ratio X3 (mol mol−1) | IL dosage X4 (%) | DC yield Y (%) |
|---|---|---|---|---|---|
| 1 | 90(0) | 120(0) | 10(0) | 10(0) | 92.21 ± 0.52 |
| 2 | 90(0) | 120(0) | 5(−1) | 15(1) | 71.18 ± 2.13 |
| 3 | 90(0) | 120(0) | 5(−1) | 5(−1) | 43.18 ± 1.41 |
| 4 | 90(0) | 90(−1) | 10(0) | 5(−1) | 58.05 ± 0.72 |
| 5 | 90(0) | 90(−1) | 5(−1) | 10(0) | 57.28 ± 1.56 |
| 6 | 80(−1) | 120(0) | 10(0) | 5(−1) | 53.74 ± 1.20 |
| 7 | 80(−1) | 150(1) | 10(0) | 10(0) | 85.49 ± 1.84 |
| 8 | 90(0) | 90(−1) | 10(0) | 15(1) | 80.38 ± 2.77 |
| 9 | 90(0) | 90(−1) | 15(1) | 10(0) | 82.33 ± 1.84 |
| 10 | 100(1) | 120(0) | 15(1) | 10(0) | 98.71 ± 0.14 |
| 11 | 90(0) | 120(0) | 10(0) | 10(0) | 95.41 ± 0.07 |
| 12 | 90(0) | 150(1) | 15(1) | 10(0) | 94.95 ± 1.03 |
| 13 | 90(0) | 120(0) | 10(0) | 10(0) | 95.03 ± 0.79 |
| 14 | 90(0) | 150(1) | 10(0) | 15(1) | 94.13 ± 0.10 |
| 15 | 100(1) | 90(−1) | 10(0) | 10(0) | 89.65 ± 0.87 |
| 16 | 90(0) | 150(1) | 10(0) | 5(−1) | 65.78 ± 0.29 |
| 17 | 100(1) | 120(0) | 5(−1) | 10(0) | 79.78 ± 0.12 |
| 18 | 80(−1) | 120(0) | 10(0) | 15(1) | 90.29 ± 2.23 |
| 19 | 90(0) | 120(0) | 15(1) | 15(1) | 93.04 ± 1.96 |
| 20 | 90(0) | 120(0) | 10(0) | 10(0) | 95.85 ± 1.18 |
| 21 | 80(−1) | 120(0) | 5(−1) | 10(0) | 56.85 ± 0.94 |
| 22 | 90(0) | 120(0) | 15(1) | 5(−1) | 74.25 ± 0.44 |
| 23 | 100(1) | 120(0) | 10(0) | 5(−1) | 82.01 ± 4.20 |
| 24 | 100(1) | 120(0) | 10(0) | 15(1) | 94.85 ± 0.27 |
| 25 | 100(1) | 150(1) | 10(0) | 10(0) | 95.27 ± 0.11 |
| 26 | 90(0) | 120(0) | 10(0) | 10(0) | 94.42 ± 1.81 |
| 27 | 80(−1) | 90(−1) | 10(0) | 10(0) | 67.56 ± 2.98 |
| 28 | 80(−1) | 120(0) | 15(1) | 10(0) | 85.49 ± 2.31 |
| 29 | 90(0) | 150(1) | 5(−1) | 10(0) | 67.92 ± 2.74 |