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A Magnetic Graphene Oxide-Based Molecularly Imprinted Polymer Composite for Recognition and Separation of Diethylstilbestrol

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In this work, a magnetic graphene oxide-based molecularly imprinted polymers (GO-Fe3O4-MIPs) was prepared for selectivity recognition and separation of diethylstilbestrol (DES). The prepared composite was evaluated and characterized in detail by transmission electron microscopy, X-ray diffraction, Fourier-transform infrared spectra, and vibrating sample magnetometer analysis. The results showed that this hybrid had a saturation magnetization value of 5.60 emu g–1, which provided an efficient way to separate toxic pollutants from extreme environments. Batch mode adsorption showed the Langmuir isotherm model and the pseudo-second-order equation were well fitted to the adsorption of GO-Fe3O4-MIPs hybrids. The selectivity recognition experiments demonstrated the GO-Fe3O4-MIPs possessed excellent adsorption capacity for DES (2183 μmol g–1 at 298 K), and outstanding selectivity for DES over the other competitive compounds.
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Keywords: ADSORPTION; DIETHYLSTILBESTROL; GRAPHENE OXIDE; MOLECULARLY IMPRINTED POLYMERS; SUPERPARAMAGNETIC

Document Type: Research Article

Publication date: May 1, 2015

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  • Science of Advanced Materials (SAM) is an interdisciplinary peer-reviewed journal consolidating research activities in all aspects of advanced materials in the fields of science, engineering and medicine into a single and unique reference source. SAM provides the means for materials scientists, chemists, physicists, biologists, engineers, ceramicists, metallurgists, theoreticians and technocrats to publish original research articles as reviews with author's photo and short biography, full research articles and communications of important new scientific and technological findings, encompassing the fundamental and applied research in all latest aspects of advanced materials.
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