首页|Reshaping the imprinting strategy through the thermo-responsive moiety-derived"deep eutectic solvents"effect
Reshaping the imprinting strategy through the thermo-responsive moiety-derived"deep eutectic solvents"effect
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As a new concept having emerged in last few years,the"deep eutectic solvents"(DESs)effect inte-grated into the imprinting technology inevitably exposes design limitations of stimuli-responsive molec-ularly imprinted polymers(MIPs),as well as inadequate analysis of the adsorption performance of MIPs.Herein,a simple yet defined N-isopropylacrylamide/(3-acrylamidopropyl)trimethylammonium chloride(NIPAM/APTMAC)binary DESs system was proposed to prepare intelligent MIPs with thermo-sensitivity.Accordingly,magnetic and thermo-responsive MIPs based on functional monomers-derived DESs(TM-DESs-MIPs1)were synthesized,revealing DESs effect-regulated affinity/kinetics for the enhanced adsorp-tion capability,eco-friendly thermo-regulated elution for high release efficiency,and simple magnetic separation,along with superior selectivity to rhein(RH)and good regeneration ability.TM-DESs-MIPs1 were utilized to extract RH from Cassiae semen samples coupled with high performance liquid chro-matography(HPLC),yielding satisfactory recoveries(79.47％-110.82％)and low limits of detection(LOD)(16.67 μg/L).Another two kinds of MIPs adopting the thermo-responsive moiety-derived DESs effect strat-egy further demonstrated great applicability of such intelligent MIPs for analyses of complicated samples.
Deep eutectic solventsMolecularly imprinted polymersMagneticThermo-responsiveThermo-regulated elution
Huihuang Xiong、Yiqun Wan、Yong Fan、Mengjia Xu、Aiping Yan、Yushan Zhang、Qifei Jiang、Hao Wan
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State Key Laboratory of Food Science and Technology,Nanchang University,Nanchang 330047,China
School of Chemistry and Chemical Engineering,Nanchang University,Nanchang 330031,China
Jiangxi Province Key Laboratory of Modern Analytical Science,Nanchang University,Nanchang 330031,China
Department of Computer Science,University of California Irvine,Irvine 92697,United States
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国家重点研发计划国家自然科学基金江西省自然科学基金Research Program of State Key Laboratory of Food Science and Technology in Nanchang University
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