Table 2.
PE (RSD) in % (n = 6) according to the precipitated plasma amount in the sample using the PP-TCA method and linearity ranges obtained using 30 mM TCA in water. RSD: relative standard deviations.
| PE (RSD) in % | Dynamic Range (µM) | R2 | |||
|---|---|---|---|---|---|
| 10% Plasma 30 mM TCA | 20% Plasma 60 mM TCA | 50% Plasma 150 mM TCA | |||
| TMAO | 104 (16) | 96 (13) | 94 (13) | 0.27–43.19 | 0.997 |
| Choline | 100 (5) | 84 (4) | 89 (4) | 1.8–286.5 | 0.996 |
| Betaine | 55 (12) | 66 (14) | 71 (9) | 4.6–716.1 | 0.994 |
| Deoxy-l-carnitine | 84 (2) | 60 (14) | 60 (10) | 0.1–17.6 | 0.997 |
| l-carnitine | 34 (14) | 18 (54) | 12 (6) | 3.5–556.5 | 0.995 |
| Bupivacaine | 102 (7) | 101 (3) | 105 (3) | n.d. | |