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Amperometric micro pH measurements in oxygenated saliva

Abstract:

An amperometric micro pH sensor has been developed based on the chemical oxidation of carbon fibre surfaces (diameter of 9 µm and length of ca. 1 mm) to enhance the population of surface quinone groups for the measurement of salivary pH. The pH analysis utilises the electrochemically reversible two-electron, two-proton behaviour of surface quinone groups on the micro-wire electrodes. A Nernstian response is observed across the pH range 2-8 which is the pH range of many biological fluids. We h...

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Publication status:
Published
Peer review status:
Peer reviewed

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Files:
Publisher copy:
10.1039/C7AN00809K

Authors


More by this author
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:
Chemistry
Sub department:
Physical & Theoretical Chem
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Role:
Author
More from this funder
Name:
Royal Thai Government
Funding agency for:
Chaisiwamongkhol, K
Publisher:
Royal Society of Chemistry
Journal:
Analyst More from this journal
Volume:
142
Issue:
15
Pages:
2828-2835
Publication date:
2017-07-06
Acceptance date:
2017-06-29
DOI:
EISSN:
1364-5528
ISSN:
0003-2654
Pubs id:
pubs:706569
UUID:
uuid:c9ddd778-faf1-4084-b375-ecc602b71ffd
Local pid:
pubs:706569
Source identifiers:
706569
Deposit date:
2017-07-08

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