Generation of hydrogen radicals for reactivity studies in Fourier transform ion cyclotron resonance mass spectrometry

An efficient technique for generation of H. (D.) radicals in Fourier transform ion cyclotron resonance (FTICR) mass spectrometry is described. The method allows the probing of the reactivity of gas‐phase H. radicals towards various ions isolated in the cell of an FTICR mass spectrometer. Results on...

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Bibliographic Details
Published in:Rapid communications in mass spectrometry 2000-05, Vol.14 (9), p.777-781
Main Author: Demirev, Plamen A.
Format: Article
Language:English
Subjects:
Bradykinin - chemistry
Carbon - chemistry
Cyclotrons
Deuterium - chemistry
Fourier Analysis
Free Radicals - chemistry
Fullerenes
Hydrogen - chemistry
Mass Spectrometry - methods
Peptides - chemistry
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Summary:An efficient technique for generation of H. (D.) radicals in Fourier transform ion cyclotron resonance (FTICR) mass spectrometry is described. The method allows the probing of the reactivity of gas‐phase H. radicals towards various ions isolated in the cell of an FTICR mass spectrometer. Results on interactions of H. and D. radicals with trapped positive or negative C60 fullerene ions, as well as singly charged peptide ions, are presented. Hydrogen radical addition or H/D‐exchange reactions between trapped ions and free H. (D.) radicals were observed. Potential implementation of the technique for probing the gas‐phase three‐dimensional structures of polyatomic ions is discussed as well. Copyright © 2000 John Wiley & Sons, Ltd.
ISSN:0951-4198
1097-0231
DOI:10.1002/(SICI)1097-0231(20000515)14:9<777::AID-RCM943>3.0.CO;2-2