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Hydrogen sulfide detection by poly(methylene blue) modified highly oriented pyrolytic graphite electrode
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SYSNO ASEP 0506632 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Hydrogen sulfide detection by poly(methylene blue) modified highly oriented pyrolytic graphite electrode Author(s) Zlámalová, Magda (UFCH-W) RID, ORCID, SAI
Janda, Pavel (UFCH-W) RID, ORCID
Nesměrák, K. (CZ)Source Title Monatshefte fur Chemie. - : Springer - ISSN 0026-9247
Roč. 148, č. 9 (2017), s. 1595-1597Number of pages 3 s. Language eng - English Country AT - Austria Keywords methylene-blue ; electrochemical polymerization ; oxidation ; gasotransmitter ; biosensors ; nadh ; film ; Cyclic voltammetry Subject RIV CG - Electrochemistry OECD category Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis) Method of publishing Limited access Institutional support UFCH-W - RVO:61388955 UT WOS 000407126500005 EID SCOPUS 85021793445 DOI 10.1007/s00706-017-1996-7 Annotation The electropolymerization of phenothiazine derivative, methylene blue (MB), on the surface of a basal plane highly oriented pyrolytic graphite (HOPG) was studied. Highly oriented pyrolytic graphite electrodes modified with the polymeric methylene blue (HOPG/pMB) was prepared by potential cycling in aqueous electrolyte solution containing a dissolved monomeric form of MB. The electrocatalytic activity of the electrode toward hydrogen sulfide was examined. In the presence of hydrogen sulfide, a new oxidation peak at potential about + 0.340 V (vs. SCE) has arisen. No current signals corresponding to the hydrogen sulfide oxidation are observed in the absence of pMB on the electrode surface. Workplace J. Heyrovsky Institute of Physical Chemistry Contact Michaela Knapová, michaela.knapova@jh-inst.cas.cz, Tel.: 266 053 196 Year of Publishing 2020 Electronic address http://hdl.handle.net/11104/0297840
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