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Stabilities of Nuc under several storage conditions (n = 6)
| Conc. (ng mL-1) | Room temperature for 4 h | Post preparation at autosampler for 24 h | Freeze-thaw after three cycles | Long-term at −80 °C for 3 months | ||||
|---|---|---|---|---|---|---|---|---|
| Mean ± SD | %CV | Mean ± SD | %CV | Mean ± SD | %CV | Mean ± SD | %CV | |
| 5 | 5.03 ± 0.45 | 8.90 | 5.32 ± 0.26 | 4.90 | 4.73 ± 0.46 | 9.70 | 5.57 ± 0.34 | 6.20 |
| 800 | 693.46 ± 12.98 | 1.90 | 883.15 ± 36.59 | 4.10 | 846.26 ± 25.14 | 3.00 | 697.00 ± 57.10 | 8.20 |
