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Reference type: Journal
Authors: Wang XM, Huang PF, Ma XM, Wang H, Lu XQ, Du XZ
Article Title: Preparation and evaluation of magnetic core-shell mesoporous molecularly imprinted polymers for selective adsorption of tetrabromobisphenol S.
Publication date: 2017
Journal: Talanta
Volume: 166
Page numbers: 300-305.
DOI: 10.1016/j.talanta.2017.01.067
Alternative URL: http://www.sciencedirect.com/science/article/pii/S0039914017301753

Abstract: Novel magnetic mesoporous molecularly imprinted polymers (MMIPs) with core-shell structure were prepared by simple surface molecular imprinting polymerization using tetrabromobisphenol-S (TBBPS) as the template. The MMIPs-TBBPS were characterized by fourier-transform infrared spectrometry (FTIR), scanning electron microscopy (SEM), transmission electron microscopy (TEM), N2 adsorption-desorption transmission, and vibrating sample magnetometry. The resultant MMIPs-TBBPS were successfully applied magnetic solid-phase extraction (MSPE) coupled with HPLC determination of TBBPS in spiked real water samples with recoveries of 77.8-88.9%. The adsorption experiments showed that the binding capacity of MMIPs-TBBPS to TBBPS and six structural analogs were significantly higher than that of the magnetic nonimprinted polymers (MNIPs). Meanwhile, the MMIPs-TBBPS possessed rapid binding affinity, excellent magnetic response, specific selectivity and high adsorption capacity toward TBBPS with a maximum adsorption capacity of 1626.8 μg g-1. The analytical results indicate that the MMIPs-TBBPS are promising materials for selective separation and fast enrichment of TBBPS from complicated enviromental samples
Template and target information: tetrabromobisphenol S, TBBPS
Author keywords: magnetic materials, Molecularly imprinted polymers, Magnetic solid-phase extraction, Brominated flame retardants, adsorption


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