Preparation of Molecular Imprinting Sol-gel Nanotubes Membrane and Its Application to Biochemical Separations

Abstract

Abstract: Molecular imprinting has become a powerful method for the preparation of robust materials that have the ability to recognize a specific chemical species. The stability,ease of preparation and low cost of these materials have led to their assessment as substitutes for antibodies or enzymes in chemical sensors,catalysis and separations. The present techniques used to prepare molecular imprinting materials most often result in materials exhibiting a high affinity and selectivity but low capacity and poor site accessibility of the target molecules. In this study,we report a simple procedure for applying molecular imprinting functional groups to the inner surfaces of the AAO template-synthesized sol-gel nanotubes for biochemical separation of estrone. Using of nanotubes as the imprinted materials has the advantage of high affinity,selectivity,capacity and site accessibility for the target molecules. And it is important to emphasize that template route can be used to prepare imprinted nanotubes of nearly any materials.

Key words: Molecular imprinting, Nanotubes, Sol-gel method, Biochemical separation

CLC Number:

O657.3

TrendMD:

ZHANG Shu-Qiong, YANG Huang-Hao, ZHUANG Zhi-Xia, WANG Xiao-Ru. Preparation of Molecular Imprinting Sol-gel Nanotubes Membrane and Its Application to Biochemical Separations[J]. Chem. J. Chinese Universities, 2004, 25(6): 1028.

References

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