期刊
INTERNATIONAL JOURNAL OF MASS SPECTROMETRY
卷 200, 期 1-3, 页码 331-356出版社
ELSEVIER
DOI: 10.1016/S1387-3806(00)00324-9
关键词
ICR; FTICR; FTMS; dissociation; fragmentation; excitation; detection; penning trap; ion trap
The present range and power of Fourier transform ion cyclotron resonance mass spectrometry rest on a number of prior technique developments. In this article, selected developments in neutral/ion introduction, ionization methods, excitation/detection, ion trap configuration/operating modes, ion dissociation and MS/MS, ion cooling techniques, theory and data reduction are briefly explained and chronicled. Evidence for the value of these techniques is provided by a compilation of current world records for mass resolution, mass resolving power and mass accuracy. With these capabilities, it becomes possible to resolve and identify up to thousands of components of a complex mixture, often without prior wet chemical separation, thereby potentially changing the whole approach to dealing with chemical and biological complexity. (C) 2000 Elsevier Science B.V.
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