Journal
RSC ADVANCES
Volume 5, Issue 26, Pages 19799-19806Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ra16542j
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Funding
- National Natural Science Foundation of China [21107037, 21176107, 21174057, 21277063, 21407057, 21407064]
- National Basic Research Program of China (973 Program) [2012CB821500]
- Natural Science Foundation of Jiangsu Province [BK20140535]
- Ph.D. Innovation Programs Foundation of Jiangsu Province [KYLX_1032]
- National Postdoctoral Science Foundation [2014M561595]
- Postdoctoral Science Foundation funded Project of Jiangsu Province [1401108C]
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In this paper, novel molecularly imprinted polymers (MIPs) based on Mn doped ZnS quantum dots (QDs) with molecular recognition ability were successfully synthesized by precipitation polymerization using 2,6-dichlorophenol (2,6-DCP) as template, methacrylic acid (MAA) as the functional monomer and ethylene glycol dimethacrylate (EGDMA) as the cross-linker. The obtained materials (MIPs-ZnS: Mn QDs), which were composed of Mn doped ZnS QDs as phosphorescence signal and MIPs as molecular selective recognition sites, could sensitively and selectively recognize the template molecules by using the spectrofluorometer. After the experimental conditions were optimized, a linear relationship was obtained covering the range of 1.0-56 mu mol L-1 with a correlation coefficient of 0.9994. The developed method was applicable to routine trace determination of 2,6-DCP in real examples. This study also provides a general strategy to fabricate MIPs-coated QDs with excellent performance and is desirable for chemical sensor application.
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