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    Polypyrrole Nanoparticles Based Disposable Potentiometric Sensors

    Year: 2017

    Journal: Electroanalysis, Volume 29, DEC, page 2766–2772

    Authors: Jaworska, Ewa; Gniadek, Marianna; Maksymiuk, Krzysztof; Michalska, Agata

    Organizations: National Science Centre (NCN, Poland) [2014/15/B/ST4/04919]

    Keywords: conducting polymer nanoparticles; paper based potentiometric electrode; disposable ion-selective electrodes

    In this work polypyrrole nanoparticles of high electrochemical activity were used to prepare disposable, potentiometric sensors with a paper support. The paper support modified with polypyrrole nanoparticles served as electrical lead and ion-to-electron transducer and it was covered by a typical poly(vinyl chloride) based ion-selective membrane. The properties of this arrangement were tested on example of potassium-selective electrodes. The sensors prepared benefited from the properties of conducting polymer nanostructures: high electrical conductivity and electroactivity as well as absence of suspension stabilizing agent. The obtained electrodes were characterized with analytical parameters well comparable with those of classical ion-selective electrodes.
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