TABLE 2.
Mass spectrometer settings for ceramides and their metabolites
| N-Acyl | Q1 m/z | Q3 m/z | |
|---|---|---|---|
| DHCer | C12:0 | 484 | 266 |
| C16:0 | 540 | 266 | |
| C18:0 | 568 | 266 | |
| C20:0 | 596 | 266 | |
| C22:0 | 624 | 266 | |
| C24:0 | 652 | 266 | |
| C24:1 | 650 | 266 | |
| doxDHCer | C12:0 | 468 | 268 |
| C16:0 | 524 | 268 | |
| C18:0 | 552 | 268 | |
| C20:0 | 580 | 268 | |
| C22:0 | 608 | 268 | |
| C24:0 | 636 | 268 | |
| C24:1 | 634 | 268 | |
| Cer | C12:0 | 482 | 264 |
| C16:0 | 538 | 264 | |
| C18:0 | 566 | 264 | |
| C20:0 | 594 | 264 | |
| C22:0 | 622 | 264 | |
| C24:0 | 650 | 264 | |
| C24:1 | 648 | 264 | |
| doxCer | C12:0 | 466 | 266 |
| C16:0 | 522 | 266 | |
| C18:0 | 550 | 266 | |
| C20:0 | 578 | 266 | |
| C22:0 | 606 | 266 | |
| C24:0 | 634 | 266 | |
| C24:1 | 632 | 266 | |
| LacCer | C12:0 | 806 | 264 |
| C16:0 | 862 | 264 | |
| C18:0 | 890 | 264 | |
| C20:0 | 918 | 264 | |
| C22:0 | 946 | 264 | |
| C24:0 | 974 | 264 | |
| C24:1 | 972 | 264 | |
| HexCer | C12:0 | 644 | 264 |
| C16:0 | 700 | 264 | |
| C18:0 | 728 | 264 | |
| C20:0 | 756 | 264 | |
| C22:0 | 784 | 264 | |
| C24:0 | 812 | 264 | |
| C24:1 | 810 | 264 | |
| SM | C12:0 | 647 | 184 |
| C16:0 | 703 | 184 | |
| C18:0 | 731 | 184 | |
| C20:0 | 759 | 184 | |
| C22:0 | 787 | 184 | |
| C24:0 | 815 | 184 | |
| C24:1 | 813 | 184 |