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Reference type: Journal
Authors: Ding P, Li ZZ, Tang SF, Song N, Shi LY
Article Title: Preparation of self-supporting molecularly imprinted films via transition layer construction and RAFT polymerization, and their use in HPLC.
Publication date: 2013
Journal: Microchimica Acta
Volume: 180
Issue: (7-8)
Page numbers: 599-605.
DOI: 10.1007/s00604-013-0966-y

Abstract: Molecularly imprinted films with self-supporting property (SS-MIFs) have been prepared by using the strategy of transition layer construction followed by reversible addition-fragmentation chain transfer (RAFT) polymerization. The structure, composition and selectivity of the SS-MIFs as well as the mechanism of mass transfer were characterized by scanning electron microscopy, X-ray diffraction, Fourier transform IR spectrometry, specific surface area analysis, thermogravimetric analysis, and HPLC. Surface area analysis showed the samples possessed specific surface areas as high as 80.5 m2 g-1. This is almost 9 times more than that of the original porous anodic aluminum oxide substrate. Thermogravimetric analysis also showed the samples to be thermally stable up to 350 -ŚC. The separating power was investigated by HPLC and revealed a selective separation effect for the target molecules theobromine. The separation factor is 5.37
Template and target information: theobromine
Author keywords: Molecularly imprinted film, Layered double hydroxide, RAFT polymerization, CHEMICAL SEPARATION


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