期刊论文

Xie, Lianwu;Guo, Yaping

英文

ANALYTICAL METHODS

1759-9660

2018

10

27

3317-3324

10.1039/c8ay00903a

This work was supported by the Technology Foundation for Selected Overseas Chinese Scholar of Ministry of Human Resources and Social Security of China (2016-176), the Hunan Provincial Key Laboratory Special Foundation of China (2014FJ3011, 2016XGJSYB01, and 2015TP4021-5), the Hunan Provincial Colleges and Universities “twelve-ve planning” Professional Comprehensive Reform Pilot Project (2012-266), the Hunan Provincial Natural Science Fund (2018JJ2671), and Innovation Research Project of Central South University of Forestry and Technology (20183009).

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Magnetic surface molecularly imprinted polymeric microspheres (MMIPs) were prepared by using gallic acid (GA) as a segment template for the solid extraction of ester catechins as a whole from complex samples. MMIPs were characterized by Fourier transform infrared spectroscopy, transmission electron microscopy, and vibrating sample magnetometry. The results of the adsorption experiments indicated that the saturated adsorption capacity of GA on MMIPs was 0.21 mmol g-1, and the imprinting factor was 5.86; MMIPs had higher adsorption capacity for e...