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Fig. 2 | Lipids in Health and Disease

Fig. 2

From: Untargeted Mass Spectrometry Lipidomics identifies correlation between serum sphingomyelins and plasma cholesterol

Fig. 2

Identification of metabolites associated with plasma HDL cholesterol. Extracted ion chromatograms of the unknown compounds significantly associated with HDL cholesterol were obtained by liquid chromatography mass spectrometry (UPLC-MS) using a CSH C18 column. Data are shown for profiles acquired in positive (a) and negative (b) ionization mode. Illustrations of extracted ion chromatograms of an unknown compound in positive (c) and negative ion mode (d) and their corresponding MS/MS (e, f) at a respective collision energy of 20 and 30 (arbitrary unit)

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Lipids in Health and Disease

ISSN: 1476-511X