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Efficiency of silk fibroin solution sterilization. Percent concentration retention following sterilization of silk fibroin solution through a 0.22 μm syringe filter. Time labels denote the silk fibroin boil time.
| Conc. (wt%) |
5 min | 10 min | 15 min | 30 min | 45 min | 60 min |
|---|---|---|---|---|---|---|
| 0.5 | 0 | 89.0 ± 19.0 | 39.7 ± 33.5 | 98.4 ± 18.1 | n/a | n/a |
| 1 | 0 | 41.8 ± 21.4 | 56.9 ± 39.0 | 97.9 ± 14.0 | n/a | n/a |
| 2 | 0 | 0 | 74.2 ± 4.3 | 98.7 ± 1.0 | n/a | n/a |
| 4 | 0 | 0 | 0 | 97.3 ± 3.3 | 96.3 ± 3.7 | 102.6 ± 4.8 |
