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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

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Publisher copy:
10.1039/c7cc04085g

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
More by this author
Institution:
University of Oxford
Oxford college:
St Catherine's College
Role:
Author
Basque Government More from this funder
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
Source identifiers:
707629
Language:
English
Keywords:
Pubs id:
pubs:707629
UUID:
uuid:c9c3d541-f92b-431b-b5fc-e5874674ddd7
Local pid:
pubs:707629
Deposit date:
2017-07-24

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