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PPIX whole blood stability results.
| Matrix | Stability | Bench Top | Freeze–Thaw | Autosampler | Processed Sample | Long-term | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| QC Level | LQC | HQC | LQC | HQC | LQC | HQC | LQC | HQC | LQC | HQC | |
| Nominal Conc. (nM) | 30.0 | 1530 | 30.0 | 1530 | 30.0 | 1530 | 30.0 | 1530 | 30.0 | 1530 | |
| Blood | Period | 5 h | 2 cycles | 72 h | 5 h | 71 days | |||||
| Mean Conc. (nM) | 31.3 | 1560 | 31.8 | 1610 | 32.8 | 1600 | 31.5 | 1510 | 28.4 | 1430 | |
| Accuracy (%) | 104.3 | 102.0 | 106.0 | 105.2 | 109.3 | 104.6 | 105.0 | 98.7 | 94.7 | 93.5 | |
| CV (%) | 2.1 | 2.3 | 1.1 | 3.4 | 0.6 | 1.3 | 4.5 | 1.4 | 2.5 | 2.8 | |
