Table 1. Profiles of mouse brain gangliosides using MALDI-FTICR MS.
| Ganglioside | m/z Detected | m/z Exact | Mass accuracy/ppm |
|---|---|---|---|
| d18:1/18:0 GM1 | 1544.8684 | 1544.8694 | −0.647 |
| d18:1/20:0 GM1 | 1572.8964 | 1572.9007 | −2.734 |
| GalNAcβ1-4(NeuGcα2-3)Galβ1-3GalNAcβ1-4Galβ1-4Glcβ-Cer(d18:1/20:0) | 1791.8146 | 1791.8166 | −1.116 |
| GalNAcβ1-4(NeuGcα2-3)Galβ1-3GalNAcβ1-4Galβ1-4Glcβ-Cer(d18:1/22:0) | 1820.0051 | 1820.0063 | −0.659 |
| d18:1/18:0 GD1 | 1835.9602 | 1835.9648 | −2.505 |
| NeuAcα2-8NeuAcα2-8NeuAcα2-3Galβ1-4Glcβ-Cer(d18:1/24:1(15Z)) | 1843.9986 | 1844.0043 | −3.091 |
| GalNAcβ1-4(NeuAcα2-3)Galβ1-3GalNAcβ1-4Galβ1-4Glcβ-Cer(d18:1/26:1(17Z)) | 1858.0568 | 1858.0583 | −0.807 |
| d18:1/20:0 GD1 | 1863.9927 | 1863.9961 | −1.824 |
| NeuAcα2-8NeuAcα2-8NeuAcα2-3Galβ1-4Glcβ-Cer(d18:1/26:0) | 1874.0472 | 1874.0532 | −3.202 |
| O-Acetyl d18:1/18:0 GD1 | 1878.0433 | 1878.0481 | −2.556 |
| 9-OAc-NeuAcα2-8NeuAcα2-8NeuAcα2-3Galβ1-4Glcβ-Cer(d18:1/24:1(15Z)) | 1886.0112 | 1886.0168 | −2.969 |
| 9-OAc-NeuAcα2-3Galβ1-3GalNAcβ1-4(NeuAcα2-3)Galβ1-4Glcβ-Cer(d18:1/20:0) | 1906.0037 | 1906.0067 | −1.574 |
| NeuAcα2-3Galβ1-3GalNAcβ1-4(NeuGcα2-3)Galβ1-4Glcβ-Cer(d18:1/24:0) | 1936.0502 | 1936.0536 | −1.756 |
| NeuAcα2-3Galβ1-3GalNAcβ1-4(NeuGcα2-3)Galβ1-4Glcβ-Cer(d18:1/26:0) | 1964.0799 | 1964.0849 | −2.546 |
| d18:1/18:0 GT1 | 2127.0682 | 2127.0602 | 3.761 |
| d18:1/20:0 GT1 | 2155.0903 | 2155.0915 | −0.557 |
| O-Acetyl 18:1/18:0 GT1 | 2169.0694 | 2169.0708 | −0.645 |
| O-Acetyl 18:1/20:0 GT1 | 2197.1045 | 2197.1021 | 1.092 |
| d18:1/18:0 GQ1 | 2418.1509 | 2418.1557 | −1.985 |
| d18:1/20:0 GQ1 | 2446.1805 | 2446.1870 | −2.657 |