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Authors: Zhou TY, Ding J, Ni L, Yu J, Li HY, Ding H, Chen YH, Ding L
Article Title: Preparation of magnetic superhydrophilic molecularly imprinted resins for detection of triazines in aqueous samples.
Publication date: 2017
Journal: Journal of Chromatography A
Volume: 1497
Page numbers: 38-46.
DOI: 10.1016/j.chroma.2017.03.069
Alternative URL: http://www.sciencedirect.com/science/article/pii/S0021967317304806
Abstract: In this work, magnetic superhydrophilic molecularly imprinted resins (MMIRs) were prepared for the determination of triazines in aqueous samples combined HPLCGÇôMS/MS. The amino functionalized magnetic nanoparticles were introduced into superhydrophilic molecularly imprinted resins based on one-pot condensation of resorcinol, melamine and formaldehyde. The obtained MMIRs exhibited magnetic responsiveness, superhydrophilic and selective feature. The MMIRs were directly used as adsorbents for selective enrichment and separation of six triazines in juice and lake samples under an applied magnetic field. The detection limits of triazines are in the range of 0.0 - 0.07 μg L-1 (except for simazine, 0.38 μg L-1). At the spiked level (5 μg L-1), the recoveries are in the range of 85 - 101% with the RSDs Gëñ7%. This work provided a novel and efficient approach for the detection of triazines in aqueous samples
Template and target information: ametryn, triazine herbicides, atrazine, desmetryn, prometryn, propazine, simazine
Author keywords: Magnetic, Superhydrophilic, Molecularly imprinted resins, triazines, aqueous samples, High performance liquid chromatography-tandem mass spectrometry
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