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. Author manuscript; available in PMC: 2010 Sep 27.
Published in final edited form as: Anal Chem. 2010 Mar 15;82(6):2456–2462. doi: 10.1021/ac902852a

Figure 1.

Figure 1

Mass-selected FAIMS spectra for the 1:1 Leu/IIe mixture (solid lines) in He/N2 with ≤50% He (left) and ≥50% He (right). The values of resolution r are given for separated isomers. Pure Leu or IIe yield single peaks matching “L” and “I”, respectively (dashed lines in the right panel for IIe at 50–70% He).