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Analytes stability in human plasma and brain homogenate.
| Matrix | Benchtop stability (room temperature, h) | Freeze-thaw stability | Autosampler stability (5 °C, h) | Processed sample stability (room temperature, h) | Long-term stability (−20 °C, days) |
|---|---|---|---|---|---|
| Plasma | 19 | 3 cycles | 112 | 23 | 27 |
| Brain homogenate | 6 | 3 cycles | 96 | 22 | 36 |
