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Observation of nanoimpact events of catalase on diamond ultramicroelectrodes by direct electron transfer.

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.
Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1039/c7cc04085g

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Department:
Oxford, MPLS, Chemistry, Physical & Theoretical Chem
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Department:
Oxford, MPLS, Physics, Condensed Matter Physics
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Department:
St Catherines College
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Publisher:
Royal Society of Chemistry Publisher's website
Journal:
Chemical Communications Journal website
Volume:
53
Pages:
8332-8335
Publication date:
2017-07-05
Acceptance date:
2017-07-05
DOI:
EISSN:
1364-548X
ISSN:
1359-7345
Pubs id:
pubs:707629
URN:
uri:c9c3d541-f92b-431b-b5fc-e5874674ddd7
UUID:
uuid:c9c3d541-f92b-431b-b5fc-e5874674ddd7
Local pid:
pubs:707629
Language:
English
Keywords:

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