TABLE 2.
Summary of the positive ion CID obtained directly from the ocular sections post-MALDI IMS
| Observed (m/z) | Product Ions | Identification |
| 548.5 | 264.4 | Cer(d18:1/18:0)-H2O |
| 723.6 | 146.9, 540.5, 184.1 | SM(d18:1/16:1)+Na |
| 753.6 | 146.9, 570.6, 184.1 | SM(d18:1/18:0)+Na |
| 756.6 | 146.9, 184.1, 621.5 | PC(32:0)+Na |
| 760.6 | 184.1 | PC(34:1) |
| 782.6 | 146.9, 184.1, 599.5 | PC(34:1)+Na |
| 788.6 | 184.1 | PC(36:1) |
| 810.6 | 146.9, 627.5, 184.1 | PC(36:1)+Na |
| 828.6 | 146.9, 645.5, 184.1 | PC(38:6)+Na |
| 832.6 | 146.9, 649.5, 184.1 | PC(38:4)+Na |
| 834.6 | 184.1 | PC(40:6) |
| 856.6 | 673.6, 146.9, 184.1 | PC(40:6)+Na |
| 881.8 | 599.5, 577.5, 625.5, 603.5 | TAG(52:2)+Na |
| 900.7 | 147.0, 717.6, 184.1 | PC(44:12)+Na |
| 1,040.7 | 147.0, 184.1, 857.6 | PC(54:12)+Na |
| 1,042.7 | 147.0, 859.6, 184.1 | PC(54:11)+Na |
| 1,044.7 | 147.0, 184.1, 861.6 | PC(54:10)+Na |
| 1,070.7 | 147.0, 184.1, 887.6 | PC(56:11)+Na |