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Secondary structure content of silk fibroin fiber.
| Group | β-sheet | random coil | α-helix | β-turn |
|---|---|---|---|---|
| SDSF | 134.33 ± 0.24* | 29.54 ± 0.20*** | 23.68 ± 0.10** | 12.45 ± 0.14 ns |
| ADSF | 32.63 ± 0.36 | 32.43 ± 0.24 | 22.81 ± 0.10 | 12.13 ± 0.13 |
For the significant test:*p < 0.05, **p < 0.01, ***p < 0.001, versus ADSF.
