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Reference type: Journal
Authors: Ban L, Zhao L, Deng BL, Huang YP, Liu ZS
Article Title: Preparation and characterization of an imprinted monolith by atom transfer radical polymerization assisted by crowding agents.
Publication date: 2013
Journal: Analytical and Bioanalytical Chemistry
Volume: 405
Issue: (7)
Page numbers: 2245-2253.
DOI: 10.1007/s00216-012-6497-2

Abstract: A method based on reverse atom transfer radical polymerization (R-ATRP) and molecular crowding has been used for design and synthesis of monolithic molecularly imprinted polymers (MIPs) capable of recognizing ibuprofen (IBU). 4-Vinylpyridine (4-VP) was used as the functional monomer, and ethylene glycol dimethacrylate (EDMA) was the crosslinking monomer. Azobisisobutyronitrile (AIBN)CuCl2 N,N,N',N'',N''-pentamethyldiethylenetriamine (PMDETA) was used as the initiating system. Compared with conventional radical polymerization-based IBU-MIPs, the imprinting effects of the obtained IBU-MIPs was enhanced, suggesting the merit of combination of reverse ATRP and molecular crowding. In addition, it was found that the polymerization time of the molecularly imprinted monolithic column, the amount of template, the degree of crosslinking, and the composition of mobile phase greatly affected retention of the template and the performance of molecular recognition
Template and target information: ibuprofen, IBU
Author keywords: Atom transfer radical polymerization, ibuprofen, molecularly imprinted polymer, Molecular crowding, molecular recognition, monolith


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