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. Author manuscript; available in PMC: 2017 Mar 7.
Published in final edited form as: Anal Chem. 2016 Aug 26;88(18):8957–8964. doi: 10.1021/acs.analchem.6b01915

Figure 4.

Figure 4

(A) Mass spectrum of a mixed sample obtained using the serpentine TW SLIM module. (B) Ion mobility spectrum of the mixed sample was obtained by TW SLIM at the optimum conditions: TW speed of 148 m/s, TW amplitude of 30 V, guard bias of 5 V, RF amplitude of 220 Vpp at 650 kHz, and 2.75 mm gap at 3.00 Torr. (C) Nested mass and mobility spectrum; TW SLIM separations for (D) individually nanoelectrosprayed LNFPi (blue) and LNFPii (red) (m/z [M + Na]+ = 876) ions and (E) a mixture of LNFPi and LNFPii (m/z [M + Na]+ = 876). (F) DT-IMS separations for LNFPi and LNFPii (m/z [M + Na]+ = 876) ions obtained at 19 V/cm (90 cm).