Indiana University

Stormy L Koeniger

David E Clemmer

Stephen J Valentine

Samuel I Merenbloom

An ion mobility spectrometer comprises a drift tube defining a drift tube inlet configured to receive ions and a drift tube outlet. The drift tube is configured to separate ions in time as a function of ion mobility. The drift tube defines a first ion activation region between the drift tube inlet and the drift tube outlet. The first ion activation region is configured to selectively induce structural changes in at least some of the ions.

Ion mobility spectrometer with one or more integral ion activation regions

An apparatus () for separating Ions based on ion mobility includes a conduit () defining a closed path. The conduit is configured such that a uniform electric field is produced about the closed path upon application of a voltage causing ions within the conduit () to move about the closed path and to separate the ions based upon ion mobility. A method of separating a plurality of ions is also disclosed.

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Evanston, IL, United States of America

Stormy L Koeniger