Table 3.
Stability evaluation for DOX and SOR in rat plasma.
| Analytes | Condition | Concentration ng/mL | Mean recovery (%) ± SD | RSD (%) | Er (%) |
|---|---|---|---|---|---|
| DOX | Autosampler stability (4c 48 h) | 800 | 98.95 ± 4.8 | 4.8 | −0.9 |
| 20 | 102.09 ± 4.2 | 4.1 | 4.7 | ||
| Autosampler stability (4 °C 6 h) | 800 | 105.42 ± 2.9 | 2.8 | 5.5 | |
| 20 | 95.94 ± 3.1 | 3.2 | −1.4 | ||
| long term stability (-80 °C 30 day) | 800 | 94.24 ± 4.7 | 5.0 | −5.6 | |
| 20 | 98.15 ± 3.1 | 3.2 | 0.7 | ||
| freeze thaw stability (-80 °C 60 days) | 800 | 95.42 ± 0.7 | 0.7 | −5.6 | |
| 20 | 96.54 ± 2.6 | 2.7 | 0.7 | ||
| SOR | Autosampler stability (4c 48 h) | 800 | 93.69 ± 1.8 | 1.9 | −5.3 |
| 20 | 101.43 ± 0.5 | 0.5 | 1.4 | ||
| Autosampler stability (4 °C 6 h) | 800 | 93.63 ± 0.2 | 0.3 | −5.4 | |
| 20 | 96.50 ± 4.2 | 4.3 | −3.4 | ||
| long term stability (-80 °C 30 day) | 800 | 92.13 ± 0.9 | 1.0 | −6.9 | |
| 20 | 97.84 ± 5.8 | 6.0 | −2.1 | ||
| freeze thaw stability (-80 °C 60 days) | 800 | 92.86 ± 0.8 | 0.9 | −5.8 | |
| 20 | 100.14 ± 3.6 | 3.6 | 0.1 |