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Reference type: Journal
Authors: Angelis P, Casarin J, Gonçalves Júnior A, Rocha L, Prete M, Tarley C
Article Title: Development of a novel molecularly imprinted polyvinylimidazole/functionalized carbon black nanocomposite-based paste electrode for electrochemical sensing of imazethapyr in rice samples.
Publication date: 2021
Journal: Electroanalysis
DOI: 10.1002/elan.202100360

Abstract: This paper reports the development of a simple electroanalytical method for imazethapyr (IMT) determination in rice samples based on molecularly imprinted polymer and functionalized carbon black paste electrode (MIP-fCBPE). The proposed method showed low limit of detection (0.03 μmol L-1), a wide linear range (0.10 - 70.00 μmol L-1), and good precision in terms of repeatability of intraday measures (RSD% = 3.6). The method was applied in rice samples after microwave-assisted extraction of IMT and the accuracy of the method was evaluated by addition/recovery assays (96.3 - 105.7%), being statistically attested using HPLC-DAD as reference technique
Author keywords: Doehlert Matrix, MIP, Imidazolinones, Carbon Black


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