Table 1.
LC Instrument | Waters ACQUITY UPLC |
LC column | Waters 1 mm × 15 cm, 1.8 μm CSH (Part #186006935) |
Mobile phase (MP) | MPA, 0.1% formic acid/99.9% H2O MPB, 0.1% formic acid/99.9% MeCN |
Gradient | 0–15 min, 3–25% MPB 15–15.5 min, 25–90% MBP 15.5–17.5 min, 90% MBP 17.5–18 min, 90%–3% MPB 18–20 min, 3% MPB |
Flow rate | 100 μL/min |
Injection volume | 14 μL (plasma); 8 μL (whole blood) |
Divert solvent (whole blood only) | 0.1% FA/49.9% H2O/50% MeCN, 100 μL/min; 0–7 min and |
MS Instrument | Thermo Q-Exactive HF-X |
MS method | PRM, 0–20 min |
MS2 resolution | 60,000 |
AGC target | 1E5 |
Max injection time | 300 ms |
Isolation width | 0.7 m/z |
Normalized collision energy | 27 |