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Biomimetic catalysis at silicon centre using molecularly imprinted polymers

Abbate, Vincenzo; Bassindale, Alan R.; Brandstadt, Kurt F. and Taylor, Peter G. (2011). Biomimetic catalysis at silicon centre using molecularly imprinted polymers. Journal of Catalysis, 284(1) pp. 68–76.

DOI (Digital Object Identifier) Link: http://dx.doi.org/10.1016/j.jcat.2011.08.019
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Abstract

The first example of biomimetic siloxane bond formation catalyzed by molecularly imprinted polymers (MIPs) is reported. MIPs were prepared by free-radical polymerization and characterized via a combination of solid-state NMR, infrared spectroscopy, and electron microscopy studies. Methacrylic acid-based polymers with high functional monomer content were observed to catalyze the hydrolysis and condensation of a model monoalkoxysilane to a greater extent when compared with the corresponding blank (non-imprinted) materials and buffer control solutions, as judged by quantitative gas chromatography investigations. Moreover, the polymers were used as biomimetic catalysts to synthesize silica-MIP hybrids with a certain degree of control of the microstructure of the resulting composites.

Item Type: Journal Article
Copyright Holders: 2011 Elsevier Inc.
ISSN: 0021-9517
Project Funding Details:
Funded Project NameProject IDFunding Body
Not SetNot SetDow Corning Corporation (Midland, MI, USA)
Keywords: biomimetic catalyst; molecularly imprinted polymers; transition state; siloxane bond; silica precipitation
Academic Unit/Department: Science > Life, Health and Chemical Sciences
Other Departments > Vice-Chancellor's Office
Interdisciplinary Research Centre: Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
eSTEeM
Biomedical Research Network (BRN)
Item ID: 31210
Depositing User: Peter Taylor
Date Deposited: 19 Jan 2012 13:59
Last Modified: 24 Jul 2014 09:22
URI: http://oro.open.ac.uk/id/eprint/31210
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