Table 1. Validation Results for CN and ATCA by PESI/MS/MS (n = 5).
| low
QC |
high
QC |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| intraday |
interday |
intraday |
interday |
|||||||||
| compounds | range (ng/mL) | R2 | LLOD (ng/mL) | LLOQ (ng/mL) | precision (%) | accuracy (%) | precision (%) | accuracy (%) | precision (%) | accuracy (%) | precision (%) | accuracy (%) |
| CN | 50–2500 | 0.997 | 42 | 127 | 250 ng/mL | 2000 ng/mL | ||||||
| 7.8 | 1.9 | 5.6 | 1.1 | 5.1 | 5.2 | 15 | 14 | |||||
| ATCA | 50–1500 | 0.995 | 43 | 131 | 250 ng/mL | 1000 ng/mL | ||||||
| 8.3 | 4.8 | 7.0 | 5.9 | 9.7 | 3.3 | 5.4 | 3.8 | |||||