Washington State University

Wenjie Liu

Herbert Henderson Hill, Jr

William F Siems

The methods herein provide for analysis of ion populations. Certain aspects include: directing a continuous gas phase ion beam into an entrance of a drift tube configured within an ion mobility spectrometer; perturbing the flow of the continuous gas phase ion beam within a perturbation time range so as to cause one or more configured perturbations; configuring the drift tube to allow the one or more perturbations to separate due to the differences in mobilities; receiving the plurality of ions and the one or more perturbations at the entrance of a mass spectrometer; recording raw data indicative of the plurality of ions; and reconstructing the raw data to obtain one or more mass to charge and one or more ion mobility spectrum of the plurality of ions.

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Xinjiang, China

Wenjie Liu