TABLE 3.
Summary of the negative ion CID obtained directly from the ocular sections post-MALDI IMS
| Observed (m/z) | Product Ions | Identification |
| 700.5 | 281.1, 418.4, 436.4 | PE(P-16:0/18:1) |
| 726.5 | 281.1, 444.4, 462.4 | PE(P-18:1/18:1) |
| 728.5 | 281.1, 446.4, 464.4 | PE(P-18:0/18:1) |
| 750.5 | 259.1, 303.1, 446.4, 464.4 | PE(P-18:0/20:4) |
| 762.5 | 255.1, 283.1, 327.1, 452.5 | PE(16:0/22:6) |
| 766.5 | 259.1, 283.1, 303.1, 462.4, 480.4 | PE(18:0/20:4) |
| 774.5 | 283.1, 327.1, 464.5 | PE(P-18:0/22:6) |
| 788.5 | 153.1, 281.1, 283.1, 419.3, 437.3, 701.5 | PS(18:0/18:1) |
| 790.5 | 283.1, 327.1, 480.5 | PE(18:0/22:6) |
| 810.5 | 153.1, 283.1, 303.1, 419.3, 437.3, 723.5 | PS(18:0/20:4) |
| 834.5 | 283.1, 327.1, 419.4, 437.4, 747.5 | PS(18:0/22:6) |
| 853.8 | 151.1, 794.7 | SM(d18:1/16:0)+DHAP |
| 885.6 | 223.1, 241.1, 283.1, 303.1, 419.3, 581.5 | PI(18:0/20:4) |
| 888.7 | 97.1, 153.1, 241.1 | ST(d18:1/24:1) |
| 904.7 | 97.1, 153.1, 241.1 | ST(d18:1/h24:1) |