Journal
TALANTA
Volume 105, Issue -, Pages 403-408Publisher
ELSEVIER
DOI: 10.1016/j.talanta.2012.10.062
Keywords
Molecularly imprinted polymers; Carbon nanotubes; 9-Vinylanthracene; Theophylline
Categories
Funding
- National Basic Research Program of China [2010CB732403]
- National Natural Science Foundation of China [20975023]
- Program for New Century Excellent Talents in University of China [09-0014]
- National Science Foundation of Fujian Province [2010J06003]
- National Key Technology R&D Program of China [2012BAD29B06]
- Young Marine Science Fund of SOA [BJ09-JK1105]
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A convenient imprinting method for the preparation of molecularly imprinted polymers (MIPs) layer on the surface of multiwalled carbon nanotubes (MWCNTs) is described. In this method, 9-vinylanthracene was introduced to the surface of MWCNTs, forming vinyl group functionalized MWCNTs. Then the grafting copolymerization of methacrylic acid and trimethylolpropane trimethacrylate in the presence of theophylline as template molecular led to the formation of MIPs-MWCNTs composite. The formation of continuous and nanoscale MIPs layer (thickness about 10-15 nm) would be due to the homogeneous and high-density vinyl groups on the surface of MWCNTs. The resulting surface-imprinted MWCNTs composite showed high binding capacity and good specific recognition behaviour towards template molecule. (C) 2012 Elsevier B.V. All rights reserved.
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