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. 2015 Mar 5;3:23. doi: 10.3389/fbioe.2015.00023

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Copyright © 2015 Alonso, Marsal and Julià.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Examples of spectra obtained with ¹H-NMR and LC-MS technologies. (A) An example of three spectra obtained with 1D ¹H-NMR. (B) A zoomed view of the spectra in (A) in the 2.66–2.74 ppm range. (C) An example of a LC-MS spectrum with color-coded intensity and referred by the m/z and retention time axes. (D) The sum of the LC-MS spectrum across the m/z axis. (E) The total ion chromatogram (i.e., sum of the LC-MS spectrum across the retention time axis). The colored regions in (E) correspond to the sum of the LC-MS spectrum limited to the m/z ranges depicted with the same color in (D).