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Potentiometric sensor based on molecularly imprinted polymer for determination of melamine in milk
Liang, Rongning1,2,3; Zhang, Ruiming1,3; Qin, Wei1,4
2009-09-07
发表期刊SENSORS AND ACTUATORS B-CHEMICAL
卷号141期号:2页码:544-550
产权排序Chinese Acad Sci, Environm Chem Lab, Yantai Inst Coastal Zone Res Sustainable Dev;Chinese Acad Sci, S China Sea Inst Oceanol;Chinese Acad Sci, Grad Sch;Yantai Univ, Sch Oceanol
摘要A polymeric membrane ion-selective electrode for determination of melamine is described in this paper. it is based on a molecularly imprinted polymer (MIP) for selective recognition, which can be synthesized by using melamine as a template molecule, methacrylic acid as a functional monomer and ethylene glycol dimethacrylate as a cross-linking agent. The membrane electrode shows near-Nernstian response (54 mV/decade) to the protonated melamine over the concentration range of 5.0 x 10(-6) to 1.0 x 10(-2) mol L(-1). The electrode exhibits a short response time of similar to 16 s and can be stable for more than 2 months. Combined with flow analysis system, the potentiometric sensor has been successfully applied to the determination of melamine in milk samples. Interference from high concentrations of ions co-existing in milk samples such as K(+) and Na(+) can be effectively eliminated by on-line introduction of anion- and cation-exchanger tandem columns placed upstream, while melamine existing as neutral molecules in milk of pH 6.7 can flow through the ion-exchanger columns and be measured downstream by the proposed electrode in an acetate buffer solution of pH 3.7. (C) 2009 Elsevier BY. All rights reserved.
通讯作者Qin, W, Chinese Acad Sci, Environm Chem Lab, Yantai Inst Coastal Zone Res Sustainable Dev, Yantai 264003, Peoples R China
关键词Molecularly Imprinted Polymer Potentiometric Sensor Melamine Ion-selective Electrode Flow Analysis
作者部门环境化学实验室
学科领域Chemistry ; Analytical ; Electrochemistry ; Instruments & Instrumentation
项目资助者Chinese Academy of Sciences [KZCX2-YW-410]; National Natural Science Foundation of China [40776058]; Ministry of Science and Technology of China [2007AA09Z103]; Department of Science and Technology of Shandong Province [2006GG2205033]; Outstanding Youth N
收录类别SCI
关键词[WOS]ION-SELECTIVE ELECTRODES ; SOLID-PHASE EXTRACTION ; LIQUID-CHROMATOGRAPHY ; BIOMIMETIC SENSORS ; RECOGNITION ; MEMBRANES ; ATRAZINE ; PROTAMINE ; RESIDUES ; BINDING
文章类型Article
语种英语
WOS研究方向Chemistry ; Electrochemistry ; Instruments & Instrumentation
WOS记录号WOS:000270343000030
引用统计
被引频次:123[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/3444
专题环境化学实验室
中科院海岸带环境过程与生态修复重点实验室
作者单位1.Chinese Acad Sci, Environm Chem Lab, Yantai Inst Coastal Zone Res Sustainable Dev, Yantai 264003, Peoples R China
2.Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
4.Yantai Univ, Sch Oceanol, Yantai 264005, Peoples R China
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GB/T 7714
Liang, Rongning,Zhang, Ruiming,Qin, Wei. Potentiometric sensor based on molecularly imprinted polymer for determination of melamine in milk[J]. SENSORS AND ACTUATORS B-CHEMICAL,2009,141(2):544-550.
APA Liang, Rongning,Zhang, Ruiming,&Qin, Wei.(2009).Potentiometric sensor based on molecularly imprinted polymer for determination of melamine in milk.SENSORS AND ACTUATORS B-CHEMICAL,141(2),544-550.
MLA Liang, Rongning,et al."Potentiometric sensor based on molecularly imprinted polymer for determination of melamine in milk".SENSORS AND ACTUATORS B-CHEMICAL 141.2(2009):544-550.
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