4. Activation of photo-induced radicals: a tool for protein identification
4.1 Principle
The radicals produced by laser irradiation can be trapped in the trap (MS2) and then re-excited by collision activation (MS3). The activation of a radical ion leads to fragmentation mechanisms that are very different from those observed in a non-radical ion. In particular, it is possible to break covalent bonds (especially those in the backbone) while preserving weak bonds, which is particularly relevant for the study of non-covalent complexes or post-translational modifications.
4.2 Application to the...
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Activation of photo-induced radicals: a tool for protein identification
Action Spectroscopy: Toward a Structural Probe for Ions in the Gas Phase
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