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. 2012 Sep 26;405(1):27–33. doi: 10.1007/s00216-012-6375-y

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© The Author(s) 2012

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Fig. 2 — 3D Plots obtained from F. graminearum. a Unprocessed LC–HRMS full-scan chromatograms of a mixture of supernatants from cultivation of F. graminearum on both ¹²C and ¹³C glucose. The circle marks an ion pair (the ¹²C and the corresponding ¹³C-labeled monoisotopic ions) originating from the same metabolite. After processing the spectrum with MetExtract, only ions having a labeled pendant are not removed (b). Thus, only the non-labeled ions remain in the circled area. (3D view generated with Ref. [37])