Email this article Electrochemical Determination of Streptomycin on an Electrode Modified with a Composite of Graphene Oxide and Gold–Nickel Binary System
- Authors: Shaydarova L.G.1, Pozdnyak A.A.1, Gedmina A.V.1, Chelnokova I.A.1, Murdasova D.A.1, Budnikov G.K.1
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Affiliations:
- Butlerov Chemical Institute, Kazan Federal University, Kazan, 420008, Tatarstan, Russia
- Issue: Vol 96, No 1 (2023)
- Pages: 34-42
- Section: Articles
- URL: https://ruspoj.com/0044-4618/article/view/668200
- DOI: https://doi.org/10.31857/S004446182301005X
- EDN: https://elibrary.ru/HUODEG
- ID: 668200
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Abstract
A procedure was suggested for voltammetric determination of streptomycin from the catalytic current on a glassy carbon electrode with a composite based on reduced graphene oxide and gold–nickel binary system. The working conditions of the electrode modification (volume of the graphene oxide and chitosan suspension, duration of the electrolytic reduction of immobilized graphene oxide and electrodeposition of the gold–nickel binary system) and the conditions for recording the catalytic current in the flow injection system were determined. The procedure for streptomycin determination in a flow, compared to the determination under stationary conditions, is more sensitive, reproducible, and rapid. The streptomycin detection limit was 0.45 nmol, and the productive capacity of the analysis was 60 samples per hour. The streptomycin determination procedure passed trials in analysis of cow milk.
About the authors
L. G. Shaydarova
Butlerov Chemical Institute, Kazan Federal University, Kazan, 420008, Tatarstan, Russia
Email: acjournal.nauka.nw@yandex.ru
A. A. Pozdnyak
Butlerov Chemical Institute, Kazan Federal University, Kazan, 420008, Tatarstan, Russia
Email: acjournal.nauka.nw@yandex.ru
A. V. Gedmina
Butlerov Chemical Institute, Kazan Federal University, Kazan, 420008, Tatarstan, Russia
Email: acjournal.nauka.nw@yandex.ru
I. A. Chelnokova
Butlerov Chemical Institute, Kazan Federal University, Kazan, 420008, Tatarstan, Russia
Email: acjournal.nauka.nw@yandex.ru
D. A. Murdasova
Butlerov Chemical Institute, Kazan Federal University, Kazan, 420008, Tatarstan, Russia
Email: acjournal.nauka.nw@yandex.ru
G. K. Budnikov
Butlerov Chemical Institute, Kazan Federal University, Kazan, 420008, Tatarstan, Russia
Author for correspondence.
Email: acjournal.nauka.nw@yandex.ru
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