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Reference type: Journal
Authors: Vallo LL, Laxamana RT, Paredes FU, Arellano IHJ, Arco SD
Article Title: Harnessing non-covalent interactions in molecular traps for probable human carcinogen butylated hydroxyanisole.
Publication date: 2015
Journal: Materials Letters
Volume: 159
Page numbers: 317-320.
DOI: 10.1016/j.matlet.2015.07.026
Alternative URL: http://www.sciencedirect.com/science/article/pii/S0167577X15302196

Abstract: We report the synthesis, characterization and performance evaluation of nine molecularly imprinted polymers (MIPs) for butylated hydroxyanisole (BHA), a common antioxidant used in the food industry but is carcinogenic at high concentrations. Vinyl-functionalized imidazole and pyridine monomers were thermally cured with BHA as template, ethylene glycol dimethacrylate as cross-linker, and 1,1'-azobis(cyanohexane carbonitrile) as initiator. The molar ratio of two functional monomer combinations, which can be 1-vinylimidazole (1-VI), 2-vinylpyridine (2-VP) or 4-vinylpyridine (4-VP), was varied and the polymer was cured at 60 C for 36 h. Spectrophotometric batch-binding analyses of BHA showed that the optimum uptake was observed for 1-VI- and 4-VP-based MIPs, with a maximum binding capacity of 6.078 mg BHA per gram MIP. The observed performance was rationalized by the non-covalent interactions between the template and the functional monomers
Template and target information: butylated hydroxyanisole, BHA
Author keywords: molecularly imprinted polymer, Butylated hydroxyanisole, Batch-binding, DFT


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