Table 2.
Intra- and interassay precision and accuracy for determining pinosylvin in rat plasma, urine, feces, and various tissue homogenates (n=3 days, 5 replicates per day).
| Bio-sample | Nominal concentration (ng/mL) | Inter-day (n=5) | Intra-day (n=15) | ||
|---|---|---|---|---|---|
| Precision RSD (%) | Accuracy R.E (%) | Precision R.S.D (%) | Accuracy R.E (%) | ||
| Plasma | 5.4 | 2.7 | 7.5 | 3.7 | 9.4 |
| 135 | 10 | -6.1 | 10.1 | -7.4 | |
| 540 | 4.8 | 0.2 | 9.4 | 6.5 | |
| Urine | 1350 | 0.7 | 9.5 | 1.7 | 9.9 |
| 5400 | 8.6 | -7.4 | 8 | -7.8 | |
| 54000 | 6.4 | -6.3 | 4.5 | -2.9 | |
| Feces | 270 | 8.6 | -5.4 | 9.8 | 2.4 |
| 2700 | 8.3 | -3.6 | 9.6 | -1.1 | |
| 5400 | 9.3 | -3.5 | 9.5 | -5.9 | |
| Heart | 540 | 9.1 | -4.7 | 9.8 | 6.4 |
| 5400 | 4.4 | 2.1 | 7.3 | 4.1 | |
| 27000 | 3 | 10 | 3 | 9.6 | |
| Liver | 2700 | 6.6 | -4.8 | 9 | -5.3 |
| 13500 | 0.8 | 0.09 | 9.5 | 7 | |
| 54000 | 4.6 | 8.4 | 5.1 | 9.7 | |
| Spleen | 270 | 1.2 | 9.9 | 1.7 | 11.6 |
| 5400 | 7.9 | 0.2 | 8.9 | 4.8 | |
| 13500 | 9.2 | -8.7 | 9.8 | -7.3 | |
| Lung | 540 | 6.1 | 9.8 | 6.4 | 10.7 |
| 2700 | 8.6 | -2.5 | 9.6 | 3 | |
| 13500 | 6.5 | 9 | 8.6 | 11 | |
| Kidney | 540 | 6 | -7.9 | 9.5 | -8.5 |
| 5400 | 5.2 | -3.1 | 6.1 | -3.9 | |
| 13500 | 7.6 | -10.8 | 9.1 | -8.7 | |
| Large intestine | 2700 | 12.4 | -8.6 | 11.9 | -1.4 |
| 13500 | 6.5 | -9.4 | 10 | -7.5 | |
| 54000 | 4.1 | 3.4 | 7.1 | 2 | |
| Small intestine | 5400 | 2.2 | 9 | 10.7 | 8.9 |
| 108000 | 8.4 | 1.1 | 9.7 | 2.3 | |
| 216000 | 8.6 | 1.7 | 7.2 | 7.3 | |
| Stomach | 13500 | 14.3 | 7.5 | 13.5 | 4.6 |
| 216000 | 13.1 | -0.2 | 14.2 | 2.4 | |
| 864000 | 12.1 | -8.5 | 14.7 | -4.8 | |