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Comparison of the structure and mechanical properties of e-gels with those of other silk hydrogel systems
| Raman peak positions (cm−1) | Rheology | Adhesion | ||||
|---|---|---|---|---|---|---|
| Amide I | Amide III | Other | G' (Pa) (ω=1 rad/s) | Strain stiffening | WOA (mJ) | |
| e-gel | 1600–1700 (broad, random) | ~1250 (broad, random) | ~1100 (random, turns) | ~ 300 | Y [2] | ~ 1 |
| pH-gel | 1600–1700 (broad, random) | ~1250 (broad, random) | ~1100 (random, turns) | 5–20 | Y [2] | 0.05 – 4 |
| s-gel | 1662 (β, random) | 1228 (β) | 1081 (β) | ~ 100,000 | N | ~ 0 |
