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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
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