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. Author manuscript; available in PMC: 2013 Sep 18.
Published in final edited form as: Anal Chem. 2012 Aug 29;84(18):7793–7801. doi: 10.1021/ac301128s

Figure 3.

Figure 3

EIC’s for the deuterated (triangle) and nondeuterated (square) peaks of LNT with the H/D ratio (circle) calculated from each point along the peak. A. The H/D ratio increases across the peak because the deuterated peak elutes one second before the nondeuterated peak. B. The H/D ratio is constant across the peak after shifting the deuterated peak intensities to artificially co-elute with the nondeuterated peak.