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Issue 59, 2017
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Observation of nanoimpact events of catalase on diamond ultramicroelectrodes by direct electron transfer

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Abstract

We report electrochemical detection of single-catalase collisions at diamond ultramicroelectrodes and show the operative mechanism involves direct enzyme-mediated charge transfer between electrode and solution. Hydrogen peroxide increases the collision frequency, which fluorescence correlation spectroscopy diffusion measurements suggest stems from an increase in the diffusion rate as the underlying cause.

Graphical abstract: Observation of nanoimpact events of catalase on diamond ultramicroelectrodes by direct electron transfer

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Publication details

The article was received on 26 May 2017, accepted on 05 Jul 2017 and first published on 05 Jul 2017


Article type: Communication
DOI: 10.1039/C7CC04085G
Citation: Chem. Commun., 2017,53, 8332-8335
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    Observation of nanoimpact events of catalase on diamond ultramicroelectrodes by direct electron transfer

    L. Jiang, I. Santiago and J. Foord, Chem. Commun., 2017, 53, 8332
    DOI: 10.1039/C7CC04085G

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