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. Author manuscript; available in PMC: 2007 Oct 29.
Published in final edited form as: J Biol Chem. 2007 Jul 12;282(37):27100–27114. doi: 10.1074/jbc.M701316200

FIGURE 10. Tandem mass spectra of glycerophosphocholine lipids from mouse peritoneal macrophages.

FIGURE 10

GPC lipid-Li+ adducts from wild-type or iPLA2β-null macrophage lipid extracts were analyzed by positive ion ESI/MS/MS. Specific ions selected in the first mass-analyzing quadrupole were accelerated into the collision cell to induce CAD. Product ions were analyzed in the final quadrupole. Ions selected in the first quadrupole included m/z 788 (A), 816 (B), 740 (C), and 766 (D).