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. Author manuscript; available in PMC: 2017 Feb 13.
Published in final edited form as: Anal Chem. 2016 Aug 12;88(18):8949–8956. doi: 10.1021/acs.analchem.6b01914

Figure 3.

Figure 3

(A) Ion mobility resolution based on m/z 622 and 922 as a function of TW speed for: a TW amplitude of 30 V, a symmetric TW sequence of 11110000, guard bias of 15 V, and RF amplitude (Vp-p) of 300 V, at three different SLIM surface gaps of 2.2 mm, 3.2 mm, and 4.75 mm. (B) Arrival time distributions using the multiturn TW-SLIM module (44 cm) (left) compared to that analyzed by a straight TW-SLIM module (30 cm) (right) obtained for a TW speed of 90 m/s using a symmetric sequence (11110000), a TW amplitude of 30 V, a guard bias of 15 V, and an RF amplitude (Vp–p) of 300 V.