Peer-reviewed articles 17,970 +



Title: VOLTAMMETRIC BEHAVIOR AND DETERMINATION OF NICKEL IONS USING BIOPOLYMERS FOR RECEPTOR IMMOBILIZATION

VOLTAMMETRIC BEHAVIOR AND DETERMINATION OF NICKEL IONS USING BIOPOLYMERS FOR RECEPTOR IMMOBILIZATION
Liliana Anchidin-Norocel; Gheorghe Gutt; Sonia Amariei
10.5593/sgem2023v/6.2
1314-2704
English
23
6.2
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Voltammetry is an electrochemical technique widely used in quantitative analysis to determine nickel ions in food samples due to its excellent stability. Knowing the exact applied levels of metals such as nickel in different food samples is very important to prevent high nickel consumption, especially in people with allergies and nickel excess. Electrochemical analytical methods appear to be an alternative with many advantages, including high sensitivity, low detection limits on the g/L scale, ease of use, and simple sample preparation. This study describes the voltammetric behavior of nickel biosensors using biopolymers such as agar, chitosan, alginate, and carrageenan, to immobilize the receptors and investigates the analytical performance using three biopolymer concentrations. The analytical performance of screen-printed carbon electrodes (SPEs) immobilized with the biopolymer-biosensor combinations was analyzed by linear sweep voltammograms (LSVs). The voltammetric behavior favored the method using carrageenan in terms of linear sweep voltammetry (LSV) performance characteristics with sensitivities of 6.79 for 0.5%, and 6.87 for 1% (?A Mm-1 cm-2).
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“This work was supported by a grant of the Ministry of Research, Innovation andDigitalization, CNCS/UEFISCDI, project number PN-III-P1-1.1-PD-2019-1111, withinPNCDI III”.
conference
Proceedings of 23rd International Multidisciplinary Scientific GeoConference SGEM 2023
23rd International Multidisciplinary Scientific GeoConference SGEM 2023, 28-30 November, 2023
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference-SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Russian Acad Arts; Turkish Acad Sci.
473-480
28-30 November, 2023
website
9632
biopolymers, electrochemical detection, nickel ions

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