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. Author manuscript; available in PMC: 2013 Dec 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2012 Oct 2;23(12):2158–2166. doi: 10.1007/s13361-012-0491-y

Figure 1.

Figure 1

Schematic diagram of the IMS-MS instrument used in these studies. The instrument is comprised of an ESI source, a drift tube, and a linear ion trap. See the experimental section for additional details.