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. Author manuscript; available in PMC: 2013 Jul 5.
Published in final edited form as: J Phys Chem B. 2012 Jun 22;116(26):7644–7651. doi: 10.1021/jp303778w

Figure 1.

Figure 1

Schematic of a prototype IMS-IMS-IMS-TOF instrument, where “F” corresponds to an ion funnel, “G” is the selection gate, and “IA” is an ion activation region. See text for more details.