Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/15497
Title: A study of detection of enantiomers and chemical analogues by molecular imprinted polymer coated quartz crystal microbalance technique
Authors: LIU XIAO
Keywords: quartz crystal microbalance, imprinted polymer, enantiomer
Issue Date: 11-Dec-2006
Source: LIU XIAO (2006-12-11). A study of detection of enantiomers and chemical analogues by molecular imprinted polymer coated quartz crystal microbalance technique. ScholarBank@NUS Repository.
Abstract: In this work, a new quartz-crystal microbalance (QCM) sensor that provides enantioselectivity to tryptophan enantiomers, with a high selectivity and sensitivity, was fabricated by the use of the molecularly imprinted polymers (MIPs) as the artificial biomimetic recognition material. The influence of synthesis conditions, such as cross-linking agent concentration on the sensitivity and selectivity of the fabricated polymer films was investigated and optimized. Besides, another new system is developed by incorporating poly (vinyl acetate) (PVAc) and low-volatility solvent diethylene glycol dimethyl ether to facilitate better adsorption by the formation of a more porous and open structure of the polymer. All of the results show that good reproducibility, sensitivity and selectivity can be achieved. And the thickness of the films is controllable.
URI: http://scholarbank.nus.edu.sg/handle/10635/15497
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