Table 1.
Liquid chromatography gradient conditions | |||
---|---|---|---|
Time (min) | Flow rate (mL/min) | Solvent A%a | Solvent B%a |
0 | 0.15 | 70 | 30 |
2 | 0.15 | 30 | 70 |
6.5 | 0.15 | 30 | 70 |
7.5 | 0.15 | 70 | 30 |
10 | 0.15 | 70 | 30 |
Mass spectrometer settings | |
---|---|
Curtain gas | 15 psi |
Ion spray voltage | −4500 V |
Dissolvation temperature | 600°C |
GS1 and GS2 | 20 and 40 psi, respectively |
Declustering potential | −110 V |
Collision energy (CE) for different MRM transitions | |
Succinyl‐CoA | 866.2 > 408 (CE −55 eV) |
D4‐Succinyl‐CoA | 870.2 > 408 (CE −55 eV) |
Malonyl‐CoA | 852.2 > 808 (CE −40 eV) |
Solvent A, 10 mM ammonium formate in acetonitrile/water (90/10, vol/vol); Solvent B, 10 mM ammonium formate in acetonitrile/water (20/80, vol/vol).