MIPdatabase
Authors: Ali MF, Mehamod FS, Yusof NNM
Publication date: 2018
Article title: Utilizing fluorescein methacrylate as fluorescent functional monomer on synthesizing fluorescent molecularly imprinted polymer in sensing caffeine.
Page numbers: ArticleNo050005
DOI: 10.1063/1.5047199 Alternative URL: https://aip.scitation.org/doi/abs/10.1063/1.5047199
Publisher: American Institute of Physics
Volume number: 1985
Conference information: AIP Conference Proceedings
Abstract: In this study describes the fluorescein methacrylate (FMA) used as fluorescence functional monomer in the synthesis of caffeine-imprinted fluorescence polymers (Caf-FMIP) for the selective recognition of caffeine. The Caf-FMIP was synthesized using bulk polymerization with non-covalent imprinting approach and the formation of -NH groups had interaction with caffeine and FMA moieties was confirmed by using Fourier transform infrared spectroscopy (FT-IR). The absorption isotherm analysis of Caf-FMIP favors Freundlich model suggested the forming heterogeneous surface was occurred due to non-covalent imprinting approach. Fluorescence emissions of synthesized Caf-FMIP were 'switched on' in the presence of target molecule based on photo-induce electron transfer (PET) mechanism. In addition, Caf-FMIP fluorescence was enhanced more strongly by caffeine compared to non-imprinted polymer, which indicated that caffeine could recognized by the Caf-FMIP selectively.
Template and target information: caffeine
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