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Reference type: Journal
Authors: Teixeira RA, Flores DHA, da Silva RCS, Dutra FVA, Borges KB
Article Title: Pipette-tip solid-phase extraction using poly(1-vinylimidazole-co-trimethylolpropane trimethacrylate) as a new molecularly imprinted polymer in the determination of avermectins and milbemycins in fruit juice and water samples.
Publication date: 2018
Journal: Food Chemistry
Volume: 262
Page numbers: 86-93.
DOI: 10.1016/j.foodchem.2018.04.076
Alternative URL: https://www.sciencedirect.com/science/article/pii/S0308814618307167

Abstract: A simple HPLC method was developed for the determination of abamectin (ABA), eprinomectin (EPR), and moxidectin (MOX). Pipette-tip molecularly imprinted polymer solid-phase extraction (PT-MIP-SPE) using poly(1-vinylimidazole-co-trimethylolpropane trimethacrylate) as a selective adsorbent material was studied in detail, including the washing solvent, type and volume of eluent, pH, quantity of adsorbent material and sample volume. The performance criteria for linearity, sensitivity, precision, accuracy, recovery, robustness and stability have been assessed and were within the recommended guidelines. The mean extraction recoveries/relative standard deviation for ABA 1b, EPR, ABA 1a and MOX were 98.77 3.82%, 88.19 2.57%, 110.54 1.52% and 100.42 0.59%, respectively. Finally, the results proved that PT-MIP-SPE coupled to HPLC-UV is an economical, simple and easy-to-perform technique, and presented a high potential for extraction of macrocyclic lactones in mineral water and grape and juice samples
Template and target information: abamectin, ABA, eprinomectin, EPR, moxidectin, MOX
Author keywords: Avermectins, Juice, Milbemycins, Pipette-tip molecularly imprinted polymer solid-phase extraction, water

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