Table 1.
Class | Characteristic headgroup fragments (m/z) | |
---|---|---|
Positive ion mode (ESI+) |
Negative ion mode (ESI−) |
|
PA | — | — |
PC | 184, 60 | 224 |
PE | 141 | 196 |
PG | — | 227 |
PI | — | 223, 241, 259, 297, 315 |
PS | 87 | 185 |
ESI, electrospray ionization; PA, phosphatidic acids; PC, phosphatidylcholine; PE, phosphatidylethanolamines; PG, phosphatidylglycerols; PI, phosphatidylinositols; PS, phosphatidylserines.