Table 1.
Profiles of mouse brain (A) gangliosides and (B) sulfatides detected.
| (A) | ||||||
|---|---|---|---|---|---|---|
|
| ||||||
| Retention time (min) |
Measured m/z |
Expected m/z |
Mass error (ppm) |
Charge state |
Structural Assignment | Peak Area |
| 12.8 | 1049.008 | 1049.011 | 2.9 | −2 | GT1b(d18:1/16:0) | 670588 |
| 13.7 | 1062.017 | 1062.019 | 1.9 | −2 | GT1b(d18:2/18:0 or d18:1/18:1) |
2316785 |
| 14.7 | 916.470 | 916.471 | 1.1 | −2 | GD1(d18:1/18:1) | 5262952 |
| 15.1 | 1208.570 | 1208.574 | 3.3 | −2 | GQ1b(d18:1/18:0) | 713035 |
| 15.5 | 1084.029 | 1084.032 | 2.8 | −2 | O-acetyl GT1b(d18:1/18:0) | 925711 |
| 15.6 | 708.348 | 708.349 | 1.4 | −3 | GT1b(d18:1/18:0) | 722114 |
| 15.2 | 805.379 | 805.380 | 1.2 | −3 | GQ1b(d18:1/18:0) | 428234 |
| 15.2 | 1229.573 | 1229.575 | 1.6 | −2 | O-acetyl GQ1b(d18:1/18:0) | 266227 |
| 15.2 | 819.383 | 819.384 | 1.2 | −3 | O-acetyl GQ1b(d18:1/18:0) | 241457 |
| 15.6 | 1063.027 | 1063.026 | −0.9 | −2 | GT1b(d18:1/18:0) | 14994553 |
| 15.8 | 734.911 | 734.913 | 2.7 | −2 | GD3(d18:1/18:0) | 709137 |
| 16.5 | 938.483 | 938.484 | 1.1 | −2 | O-acetyl GD1a(d18:1/18:0) | 486074 |
| 16.8 | 917.480 | 917.479 | −1.1 | −2 | GD1(d18:1/18:0) | 36420062 |
| 17.8 | 930.485 | 930.487 | 2.1 | −2 | GD1(d20:1/18:1) | 270179 |
| 18.1 | 1544.869 | 1544.869 | 0.0 | −1 | GM1(d18:1/18:0) | 523277 |
| 18.7 | 1077.039 | 1077.042 | 2.8 | −2 | GT1b(d20:1/18:0) | 1750304 |
| 20.0 | 931.494 | 931.494 | 0.0 | −2 | GD1(d20:1/18:0) | 2495305 |
| (B) | ||||||
|---|---|---|---|---|---|---|
|
| ||||||
| Retention time (min) |
Measured m/z |
Expected m/z |
Mass error (ppm) |
Charge State |
Structural Assignment | Peak Area |
| 15.3 | 778.512 | 778.514 | 2.6 | −1 | Sulfatide(d18:1/16:0) | 412228 |
| 16.3 | 804.528 | 804.530 | 2.5 | −1 | Sulfatide(d18:1/18:1) | 252356 |
| 17.7 | 822.539 | 822.540 | 1.2 | −1 | Sulfatide(d18:1/h18:0) | 2109640 |
| 18.6 | 806.544 | 806.546 | 2.5 | −1 | Sulfatide(d18:1/18:0) | 7193764 |
| 21.1 | 834.578 | 834.577 | −1.2 | −1 | Sulfatide(d18:1/20:0) | 52812190 |
| 24.4 | 878.601 | 878.603 | 2.3 | −1 | Sulfatide(d18:1/h22:0) | 1119612 |
| 24.7 | 904.616 | 904.618 | 2.2 | −1 | Sulfatide(d18:1/h24:1) | 654469 |
| 25.2 | 862.605 | 862.608 | 3.5 | −1 | Sulfatide(d18:1/22:0) | 828654 |
| 25.5 | 888.623 | 888.624 | 1.1 | −1 | Sulfatide(d18:1/24:1) | 9052460 |
| 26.2 | 892.62 | 892.618 | −2.2 | −1 | Sulfatide(d18:1/h23:0) | 35049 |
| 27.5 | 906.632 | 906.634 | 2.2 | −1 | Sulfatide(d18:1/h24:0) | 990251 |
| 28.1 | 890.638 | 890.640 | 2.2 | −1 | Sulfatide(d18:1/24:0) | 2026942 |
| 28.3 | 930.485 | 920.650 | 1.1 | −1 | Sulfatide(d18:1/h25:0) | 10075 |