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Ion Mobility/Time-of-Flight Instrument

The ion mobility/time-of-flight instrument offers a tremendous advantage over the quadrupole system. Because flight times in the time-of-flight mass spectrometer are much shorter than drift times in the drift tube, many flight time distributions can be recorded with respect to each drift time window. The resulting three-dimensional spectrum of drift times, flight times, and intensity is called a nested drift (flight) time distribution.

Click here for more pictures of the IM/TOF instrument.

Relevant Publications:
Hoaglund, C. S.; Valentine, S. J.; Sporleder, C. R.; Reilly, J. P.; Clemmer, D. E. Three-Dimensional Ion Mobility/TOFMS Analysis of Electrosprayed Biomolecules, Anal. Chem. 1998, 70, 2236-2242.

        Last modified:    October 23, 2006