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Amperometric detection of caffeine and paracetamol on a dual screen printed electrode modified with mixed-valence ruthenium and cobalt oxides in flow-injection analysis

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dc.contributor.author Shaidarova L.
dc.contributor.author Chelnokova I.
dc.contributor.author Il'ina M.
dc.contributor.author Gedmina A.
dc.contributor.author Budnikov H.
dc.date.accessioned 2018-09-19T22:50:43Z
dc.date.available 2018-09-19T22:50:43Z
dc.date.issued 2016
dc.identifier.uri https://dspace.kpfu.ru/xmlui/handle/net/145615
dc.description.abstract It is found that the mixed-valence ruthenium and cobalt oxides (CoOx-RuOx) composite electrodeposited on screen printed electrode exhibits catalytic activity during caffeine and paracetamol electrooxidation. These compounds are oxidized at different potentials which provides selective voltammetric determination at simultaneous presence. A method of amperometric determination of caffeine and paracetamol on a dual electrode modified with CoOx-RuOx composite in a flow injection analysis is developed. The linear relationship between an analytical signal and analyte concentration is found in the range from 5×10-7 mol/l to 5×10-3 mol/l. Using a modified dual screen printed electrode as an amperometric detector in flow injection analysis allows to determine up to 360 samples/hour. The developed method has been tested in the analysis of some pharmaceuticals.
dc.subject Caffeine and paracetamol electrooxidation
dc.subject Chemically modified electrodes
dc.subject Flow injection analysis of pharmaceuticals
dc.subject Mixed-valence ruthenium and cobalt oxides
dc.subject Modified dual screen printed electrode
dc.title Amperometric detection of caffeine and paracetamol on a dual screen printed electrode modified with mixed-valence ruthenium and cobalt oxides in flow-injection analysis
dc.type Article
dc.relation.ispartofseries-issue 6
dc.relation.ispartofseries-volume 7
dc.collection Публикации сотрудников КФУ
dc.relation.startpage 2884
dc.source.id SCOPUS-2016-7-6-SID85018207653


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  • Публикации сотрудников КФУ Scopus [24551]
    Коллекция содержит публикации сотрудников Казанского федерального (до 2010 года Казанского государственного) университета, проиндексированные в БД Scopus, начиная с 1970г.

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