Table 4.
Peak temperature of the heat release during the glass transition (Tr-gt) for the PLGA and the peak melting temperature (Tm) for the PDO, PCL and PHB scaffolds as a function of immersion time in ultra-pure water and PBS. Standard deviation between 0 and 1% was omitted for the sake of clarity.
| Immersion Time (Days) | PLGA | PDO | Immersion Time (Days) | PCL | PHB | ||||
|---|---|---|---|---|---|---|---|---|---|
| Tr-gt (°C) | Tm (°C) | Tm (°C) | Tm (°C) | ||||||
| H2O | PBS | H2O | PBS | H2O | PBS | H2O | PBS | ||
| 0 | 54.5 | 107.9 | 0 | 63.0 | 170.9 | ||||
| 5 | 55.3 | 53.6 | 105.4 | 107.7 | 50 | 63.8 | 64.4 | 170.6 | 170.8 |
| 10 | 54.5 | 52.5 | 105.9 | 107.8 | 100 | 64.8 | 64.5 | 169.8 | 169.5 |
| 20 | 48.6 | 49.3 | 105.2 | 108.4 | 200 | 64.8 | 64.5 | 169.4 | 169.4 |
| 30 | - | 41.1 | - | 104.1 | 300 | 66.0 | 64.1 | 168.5 | 170.6 |
| 50 | - | - | - | 103.5 | 400 | 65.4 | 64.2 | 168.3 | 168.3 |
| 65 | - | - | - | 105.9 | 500 | 64.2 | 64.2 | 167.6 | 169.5 |
| - | - | - | - | - | 650 | 63.8 | 64.4 | 166.3 | 169.2 |