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A copper nanoparticle-based electrochemical immunosensor for carbaryl detection

EV. Dorozhko, AS. Gashevskay, EI. Korotkova, J. Barek, V. Vyskocil, SA. Eremin, EV. Galunin, M. Saqib

. 2021 ; 228 (-) : 122174. [pub] 20210204

Jazyk angličtina Země Nizozemsko

Typ dokumentu časopisecké články

Perzistentní odkaz   https://www.medvik.cz/link/bmc21018544

A hapten-protein conjugate with copper nanoparticles (Hap-Car-BSA@CuNPs) was first synthesized in the present work for the determination of carbaryl. The copper nanoparticles (CuNPs) of the conjugate were used as electrochemical labels in the direct solid-phase competitive determination of carbaryl residues in flour from different crops. The signal was read by linear sweep anodic stripping voltammetry (LSASV) of copper (through the electrochemical stripping of accumulated elemental copper) on a gold-graphite electrode (GGE). To form a recognition receptor layer of monoclonal antibodies against the carbaryl on the surface of the GGE, 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (EDC) and 1-hydroxy-2,5-pyrrolidinedione (NHS) were used as the best covalent cross-linkers. The concentrations of the antibodies and the Hap-Car-BSA@CuNPs conjugate were optimized for carbaryl detection by the electrochemical immunosensor. The electrochemical immunosensor can be used for highly sensitive determination of carbaryl residues in flour samples in the concentration range 0.8-32.3 μg·kg-1, with a limit of detection 0.08 μg·kg-1. The present work paves the path for a novel method for monitoring carbaryl in other food products, drinks, and soil samples.

Citace poskytuje Crossref.org

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$a Dorozhko, Elena V $u School of Earth Sciences and Engineering, Department of Chemical Engineering, National Research Tomsk Polytechnic University, Lenin Avenue 30, 634050, Tomsk, Russia. Electronic address: elena-dorozhko@yandex.ru
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$a A copper nanoparticle-based electrochemical immunosensor for carbaryl detection / $c EV. Dorozhko, AS. Gashevskay, EI. Korotkova, J. Barek, V. Vyskocil, SA. Eremin, EV. Galunin, M. Saqib
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$a A hapten-protein conjugate with copper nanoparticles (Hap-Car-BSA@CuNPs) was first synthesized in the present work for the determination of carbaryl. The copper nanoparticles (CuNPs) of the conjugate were used as electrochemical labels in the direct solid-phase competitive determination of carbaryl residues in flour from different crops. The signal was read by linear sweep anodic stripping voltammetry (LSASV) of copper (through the electrochemical stripping of accumulated elemental copper) on a gold-graphite electrode (GGE). To form a recognition receptor layer of monoclonal antibodies against the carbaryl on the surface of the GGE, 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (EDC) and 1-hydroxy-2,5-pyrrolidinedione (NHS) were used as the best covalent cross-linkers. The concentrations of the antibodies and the Hap-Car-BSA@CuNPs conjugate were optimized for carbaryl detection by the electrochemical immunosensor. The electrochemical immunosensor can be used for highly sensitive determination of carbaryl residues in flour samples in the concentration range 0.8-32.3 μg·kg-1, with a limit of detection 0.08 μg·kg-1. The present work paves the path for a novel method for monitoring carbaryl in other food products, drinks, and soil samples.
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$a Gashevskay, Anna S $u School of Earth Sciences and Engineering, Department of Chemical Engineering, National Research Tomsk Polytechnic University, Lenin Avenue 30, 634050, Tomsk, Russia. Electronic address: www.anyutka.kz@mail.ru
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$a Korotkova, Elena I $u School of Earth Sciences and Engineering, Department of Chemical Engineering, National Research Tomsk Polytechnic University, Lenin Avenue 30, 634050, Tomsk, Russia. Electronic address: eikor@mail.ru
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$a Barek, Jiri $u School of Earth Sciences and Engineering, Department of Chemical Engineering, National Research Tomsk Polytechnic University, Lenin Avenue 30, 634050, Tomsk, Russia; Charles University, Faculty of Science, Department of Analytical Chemistry, UNESCO Laboratory of Environmental Electrochemistry, Albertov 6, 12843, Prague 2, Czech Republic. Electronic address: barek@natur.cuni.cz
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$a Vyskocil, Vlastimil $u Charles University, Faculty of Science, Department of Analytical Chemistry, UNESCO Laboratory of Environmental Electrochemistry, Albertov 6, 12843, Prague 2, Czech Republic. Electronic address: vlastimil.vyskocil@natur.cuni.cz
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$a Eremin, Sergei A $u M. Lomonosov Moscow State University, 1 Leninskie Gory, 119991, Moscow, Russia. Electronic address: eremin_sergei@hotmail.com
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$a Galunin, Evgeny V $u Research School of Chemistry and Applied Biomedical Sciences, National Research Tomsk Polytechnic University, Lenin Avenue 30, 634050, Tomsk, Russia. Electronic address: evgeny.galunin@gmail.com
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$a Saqib, Muhammad $u School of Earth Sciences and Engineering, Department of Chemical Engineering, National Research Tomsk Polytechnic University, Lenin Avenue 30, 634050, Tomsk, Russia; Charles University, Faculty of Science, Department of Analytical Chemistry, UNESCO Laboratory of Environmental Electrochemistry, Albertov 6, 12843, Prague 2, Czech Republic. Electronic address: ms.engr9@gmail.com
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