Hydrogen sulfide detection by poly(methylene blue) modified highly oriented pyrolytic graphite electrode

Hydrogen sulfide detection by poly(methylene blue) modified highly oriented pyrolytic graphite... Monatsh Chem (2017) 148:1595–1597 DOI 10.1007/s00706-017-1996-7 SHORT COMMUNICATION Hydrogen sulfide detection by poly(methylene blue) modified highly oriented pyrolytic graphite electrode 1,2 1 2 • • Magda Zla´malova´ Pavel Janda Karel Nesmeˇra´k Received: 26 February 2017 / Accepted: 9 May 2017 / Published online: 4 July 2017 Springer-Verlag Wien 2017 Abstract The electropolymerization of phenothiazine Introduction derivative, methylene blue (MB), on the surface of a basal plane highly oriented pyrolytic graphite (HOPG) was The development of sensitive and accurate methods of studied. Highly oriented pyrolytic graphite electrodes hydrogen sulfide determination is still required, as it is a modified with the polymeric methylene blue (HOPG/pMB) highly toxic compound with negative environmental was prepared by potential cycling in aqueous electrolyte properties. Moreover, hydrogen sulfide has been recently solution containing a dissolved monomeric form of MB. entitled as the third gasotransmitter and biologically rele- The electrocatalytic activity of the electrode toward vant signaling molecule of comparable importance as hydrogen sulfide was examined. In the presence of carbon monoxide or nitric oxide [1, 2]. Endogenous hydrogen sulfide, a new oxidation peak at potential about hydrogen sulfide has many physiological functions and ?0.340 V (vs. SCE) has arisen. No current signals corre- shows auspicious therapeutic http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Monatshefte für Chemie - Chemical Monthly Springer Journals

Hydrogen sulfide detection by poly(methylene blue) modified highly oriented pyrolytic graphite electrode

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Publisher
Springer Vienna
Copyright
Copyright © 2017 by Springer-Verlag Wien
Subject
Chemistry; Chemistry/Food Science, general; Organic Chemistry; Inorganic Chemistry; Analytical Chemistry; Physical Chemistry; Theoretical and Computational Chemistry
ISSN
0026-9247
eISSN
1434-4475
D.O.I.
10.1007/s00706-017-1996-7
Publisher site
See Article on Publisher Site

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