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Shrinkage temperature of collagen cross-linking by different CDET/tert-Amine systems.
| Entry | Coupling Agent (a) | Ts (°C) (a) |
|---|---|---|
| 1 | CDET/NMM | 85 |
| 2 | CDET/MPD | 83 |
| 3 | CDET/TMA | 90 |
Reaction conditions: 300 mg of bovine collagen powder (0.36 mmol COOHcoll), 147 mg of CDET (0.72 mmol), tert-amine (0.72 mmol), 15 mL of water, T: 25 °C, t: 4 h. (a) Ts was measured by DSC analysis (see also Supplementary Materials).
