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Reference type: Journal
Authors: Díaz-Álvarez M, Martín-Esteban A
Article Title: Hollow fiber membrane-protected molecularly imprinted microspheres for micro solid-phase extraction and clean-up of thiabendazole in citrus samples.
Publication date: 2018
Journal: Journal of Chromatography A
Volume: 1531
Page numbers: 39-45.
DOI: 10.1016/j.chroma.2017.11.054
Alternative URL: https://www.sciencedirect.com/science/article/pii/S0021967317317429

Abstract: In the present work, molecularly imprinted polymer (MIP) microspheres were packed in polypropylene hollow fiber (HF) segments for the micro solid-phase extraction and clean-up of thiabendazole (TBZ) in citrus samples. Experimental parameters affecting TBZ extraction were carefully optimized. Hollow fiber membrane was able to protect MIP beads from solid matrix allowing the extraction and clean-up without the inclusion of further filtration and/or centrifugation steps. Under optimum experimental conditions, recoveries for TBZ at 0.83 mg kg-1 concentration level ranged from 5.1 to 6.1%, depending upon the sample analyzed (orange or lemon peel samples), with relative standard deviations (RSDs) lower than 4%. The limits of detection were 0.004 mg kg-1 in orange and 0.009 mg kg-1 in lemon, low enough for the determination of TBZ according to European Union legislation
Template and target information: thiabendazole, TBZ
Author keywords: Micro-solid phase extraction, Hollow fiber membrane, imprinted polymers, Thiabendazole

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