Journal
RAPID COMMUNICATIONS IN MASS SPECTROMETRY
Volume 20, Issue 22, Pages 3403-3408Publisher
JOHN WILEY & SONS LTD
DOI: 10.1002/rcm.2757
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Desorption electrospray ionization (DESI) is implemented on an Orbitrap mass spectrometer. The ion source is described and applications which utilize the high-resolution capabilities of the Orbitrap are emphasized, including the characterization of peptides and active ingredients in pharmaceutical tablets. Measurements are made in less than 1s at a resolution of 60 000. The implications of the data for the mechanisms of DESI are discussed. Copyright (c) 2006 John Wiley & Sons, Ltd.
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