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. 2018 Apr 18;9(1):738–751. doi: 10.1080/21505594.2018.1440171

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© 2018 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial License ( http://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 2. — LC-ESI/MS of the total acid glycosphingolipids of human stomach. (A) Base peak chromatogram from LC-ESI/MS of the total acid glycosphingolipids from human stomach. Sulfatide, SO₃-3Galβ1Cer; GM3, Neu5Acα3Galβ4Glcβ1Cer; NeuAc-nLc4, Neu5Acα3Galβ4GlcNAcβ3Galβ4Glcβ1Cer; GD3, Neu5Acα8Neu5Acα3Galβ4Glcβ1Cer; GD1a, Neu5Acα3Galβ3GalNAcβ4(Neu5Acα3)Galβ4Glcβ1Cer; GD1b, Galβ3GalNAcβ4(Neu5Acα8Neu5Acα3)Galβ4Glcβ1Cer. (B) MS² of the ion at m/z 1151 (retention time 17.0 min). (C) MS² of the ion at m/z 721 (retention time 21.2 min). (D) MS² of the ion at m/z 758 (retention time 19.4 min). (E) MS² of the ion at m/z 959 (retention time 22.4 min). (F) MS² of the ion at m/z 959 (retention time 23.4 min). See Supplemental Figure S1 for interpretation formulas.