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Issue 6, 2014
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Intra-molecular reactions as a new approach to investigate bio-radical reactivity: a case study of cysteine sulfinyl radicals

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Abstract

Herein, we demonstrated the use of gas-phase intra-molecular reactions facilitated by collisional activation to investigate bi-molecular reactions with inherent low reactivity. Reactions between sulfinyl radicals (–SO˙) toward free thiol (–SH) were employed as a model system. A new reaction channel, i.e. sulfinyl exchange with thiol, was observed under beam-type collision-induced dissociation (CID), which was not detectable from traditional ion/molecule reactions.

Graphical abstract: Intra-molecular reactions as a new approach to investigate bio-radical reactivity: a case study of cysteine sulfinyl radicals

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Article information


Submitted
13 Dec 2013
Accepted
13 Jan 2014
First published
14 Jan 2014

Analyst, 2014,139, 1327-1330
Article type
Communication
Author version available

Intra-molecular reactions as a new approach to investigate bio-radical reactivity: a case study of cysteine sulfinyl radicals

K. L. Durand, X. Ma and Y. Xia, Analyst, 2014, 139, 1327
DOI: 10.1039/C3AN02307A

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