Selective detection of dopamine using glassy carbon electrode modified by a combined electropolymerized permselective film of polytyramine and polypyrrole-1-propionic acid

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DOIResolve DOI: http://doi.org/10.1002/elan.200804504
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TypeArticle
Journal titleElectroanalysis
Volume21
Issue7
Pages797803; # of pages: 7
SubjectDopamine; Electropolymerization; Polytyramine; Polypyrrole-1-propionic acid; Glassy carbon electrode; env
AbstractA sensitive and selective electrochemical method for the determination of dopamine using a combined electropolymerized permselective film of polytyramine and polypyrrole-1-propionic acid on a glassy carbon (GC) electrode was developed. The formation of a “layer-by-layer” film has allowed for selective detection of dopamine in the presence of 3,4-dihydroxyphenylalanine (L-DOPA), DOPAC, ascorbic acid, uric acid, epinephrine and norepinephrine. The modified electrodes exhibited a detection limit of 100 nM with linearity ranging from 5 x 10⁻⁶ to 5 x 10⁻⁵ M. No cleaning step was required during the course of repeated measurement.
Publication date
LanguageEnglish
Peer reviewedYes
NRC number50006
NPARC number14223467
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Record identifier6876315d-8bb4-408e-a356-3810f05f4717
Record created2010-06-02
Record modified2016-05-09
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