Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 130, Issue 40, Pages 13192-13193Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja804606m
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Funding
- Belgian Federal Government
- KULeuven Research Fund
- Ministerio de Educacion y Ciencia
- FWO
- IWT-Vlaanderen
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In situ observation of single oxidation/halogenation events by catalytically generated hypobromite species using single molecule fluorescence microscopy allows montioring of the diffusion behavior of these halonium species from the catalyst into the bulk solution. The fluororgenic probe specifically reacts with hypohalites, yielding fluorescein that can be detected with single molecule sensitivity. It was found for two investigated catalysts (Curvularia verruculosa enzymes and tungstate-exchanged LDH crystals) that in steady-state conditions hypobromite is able to diffuse over 800 nm in the bulk solution before it oxidizes organic substrates.
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