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Comparison of various Weibull Model parameters. Td; time for 63.2% drug release, T50; time for 50% drug release, T75; time for 75% drug release, T80; time for 80% drug release, α and β are the time and shape constant and Td is the time parameter.
| Polymer Type/Parameter | Resomer RG 503H | PLGA (50:50) | PLGA (75:25) |
|---|---|---|---|
| α | 24.9 | 22.2 | 23.6 |
| β | 0.56 | 0.49 | 0.45 |
| Td | 10.6 days | 25.9 days | 81.4 days |
| T50 | 5.1 days | 11.8 days | 30.2 days |
| T75 | 20.8 days | 52.5 days | 201.0 days |
| T80 | 28.3 days | 72.7 days | 305.5 days |
