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Rational design of Nd<inf>2</inf>O<inf>3</inf> decorated functionalized carbon nanofiber composite for selective electrochemical detection of carbendazim fungicides in vegetables, water, and soil samples

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https://hdl.handle.net/10037/33229
DOI
https://doi.org/10.1016/j.envres.2022.115140
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Date
2022-12-22
Type
Journal article
Tidsskriftartikkel
Peer reviewed

Author
Palanisamy, Selvakumar; Alagumalai, Krishnapandi; Chiesa, Matteo; Kim, Seong-Cheol
Abstract
Abuse of carbendazim (CBZ) leaves excessive pesticide residues on agricultural products, which endangers human health because of the residues' high concentrations. Hence, a composite consisting of functionalized carbon nanofibers (f-CNF) with neodymium oxide (Nd2O3) was fabricated to monitor CBZ at trace levels. The Nd2O3/f-CNF composite-modified electrode displays higher electro-oxidation ability towards CBZ than Nd2O3 and f-CNF-modified electrodes. The combined unique properties of Nd2O3 and f-CNF result in a substantial specific surface area, superior structural stability, and excellent electrocatalytic activity of the composite yielding enhanced sensitivity to detecting CBZ with a detection limit of 4.3 nM. Also, the fabricated sensor electrode can detect CBZ in the linear concentration range of up to 243.0 μM with high selectivity, appropriate reproducibility, and stability. A demonstration of the sensing capability of CBZ in vegetables, water, and soil samples was reported paving the way for its use in practical applications.
Publisher
Elsevier
Citation
Palanisamy, Alagumalai, Chiesa, Kim. Rational design of Nd2O3 decorated functionalized carbon nanofiber composite for selective electrochemical detection of carbendazim fungicides in vegetables, water, and soil samples. Environmental Research. 2023;219
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