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The use of screen-printed electrodes in a proof of concept electrochemical estimation of homocysteine and glutathione in the presence of cysteine using catechol.

Abstract:

Screen printed electrodes were employed in a proof of concept determination of homocysteine and glutathione using electrochemically oxidized catechol via a 1,4-Michael addition reaction in the absence and presence of cysteine, and each other. Using cyclic voltammetry, the Michael reaction introduces a new adduct peak which is analytically useful in detecting thiols. The proposed procedure relies on the different rates of reaction of glutathione and homocysteine with oxidized catechol so that ...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.3390/s140610395

Authors


Lowinsohn, D More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Publisher:
MDPI Publisher's website
Journal:
Sensors (Basel, Switzerland) Journal website
Volume:
14
Issue:
6
Pages:
10395-10411
Publication date:
2014-06-05
DOI:
EISSN:
1424-8220
ISSN:
1424-8220
URN:
uuid:dfc7e83c-0943-4751-b3e2-6d7fae83b199
Source identifiers:
469505
Local pid:
pubs:469505

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