Table 2.
Parameters describing the physical gelation of gelatin derivative solutions using the sequential cross-linking protocol: physical gelation delay time td,p, initial increase rate kg,p of storage modulus G′ upon cooling, and G′ after cooling to 21 °C for 20 min and 4 °C for 40 min, respectively.
Physical Gelation | ||||||
---|---|---|---|---|---|---|
21 °C | 4 °C | |||||
td,p (s) | kg,p (Pa s−1) | G′ at end of period (kPa) | td,p (s) | kg,p (Pa s−1) | G′ at end of period (kPa) | |
Gelatin | 251.1 ± 13.9 | 10.0 ± 1.0 | 5.40 ± 0.50 | 79.5 ± 1.8 | 24.8 ± 2.0 | 23.59 ± 1.93 |
GM2 | 226.7 ± 5.4 | 5 ± 0.1 | 3.33 ± 0.07 | 101.6 ± 0.6 | 21 ± 0.2 | 19.4 ± 0.01 |
GM2A8 | – | – | – | 981.0 ± 124.0 | 0.11 ± 0.01 | 0.124 ± 0.022 |
GM10 | – | – | – | – | – | – |