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Stability of IPA in rat plasma (n = 5).
| Spiked concentration(ng·mL−1) | Three freeze-thaw | Short-term | Postpreparative | Long-term |
|---|---|---|---|---|
| Measured (ng·mL−1) | Measured (ng·mL−1) | Measured (ng·mL−1) | Measured (ng·mL−1) | |
| 10 | 10.27 ± 0.56 | 9.65 ± 0.07 | 9.56 ± 0.88 | 10.79 ± 1.46 |
| 400 | 421.8 ± 1.08 | 407.0 ± 0.34 | 371.2 ± 1.44 | 363.5 ± 1.82 |
| 2000 | 1967 ± 0.34 | 1840 ± 1.6 | 2012 ± 0.12 | 1908.3 ± 0.92 |
