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https://open.uns.ac.rs/handle/123456789/4471
Назив: | SWCNT-modified carbon paste electrode as an electrochemical sensor for histamine determination in alcoholic beverages | Аутори: | Stojanović, Zorica Mehmeti E. Kalcher K. Guzvanj (Guzsvány), Valerija (Valéria) Stanković, Danica |
Датум издавања: | 1-окт-2016 | Часопис: | Food Analytical Methods | Сажетак: | © 2016, Springer Science+Business Media New York. In this work, a simple and rapid electrochemical method is presented for the voltammetric determination of histamine based on carbon paste electrodes bulk-modified with single-walled carbon nanotubes. As monitored in cyclic voltammetry histamine undergoes an irreversible electrochemical oxidation with a peak potential of ca. +1.25 V (vs. Ag/AgCl, 3 mol L−1 KCl) in phosphate buffer solution (PBS, 0.1 mol L−1, pH 6.0). At optimized differential pulse voltammetric parameters, the current response of histamine was linearly proportional to its concentration in the range from 4.5 to 720 μmol L−1. A low limit of detection of 1.26 μmol L−1 and a limit of quantification of 3.78 μmol L−1 of histamine, as well as good reproducibility (RSD = 0.48–3.40 %) were obtained using the carbon paste electrode modified with single-walled carbon nanotubes. The proposed sensor was successfully applied to the determination of histamine in commercial beer and wine samples. | URI: | https://open.uns.ac.rs/handle/123456789/4471 | ISSN: | 19369751 | DOI: | 10.1007/s12161-016-0452-3 |
Налази се у колекцијама: | PMF Publikacije/Publications |
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