Article: article from journal or magazin.
Electrochemical reactions and ionization processes.
European Journal of Mass Spectrometry
Publication types: Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.Publication Status: ppublish
Electrochemical or photo-electrochemical reactions in both electrospray ionization and laser desorption ionization are discussed stressing the role of the electrode reaction in influencing the ionization process. In particular, upon application of a high voltage during electrospray ionization, the emitter includes a working electrode, where redox reactions are observed, such as electro-generation of benzoquinone and metal ions. In contrast, the target plate in laser-induced desorption ionization also acts as a photo-electrode, especially when modified with a mesoporous semiconductor. We illustrate here how these electrochemical reactions can be used for tagging purposes, and for oxidative or reductive dissociation reactions.
Electrochemistry/methods, Electrodes, Oxidation-Reduction, Spectrometry, Mass, Electrospray Ionization/methods, Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization/methods
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