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题名: Glucose Biosensor Based on Poly-Lithium Benzenetricarboxylic Acid and Multi-walled Carbon Nanotubes Composite Film
作者: Wang Tao-Yi1;  Xu Fen1;  Sun Li-Xian2;  Zhang Jia-Ming1;  Ru Hui-Ying1;  Liu Ying-Ya2;  Zheng Qian1;  Zhang Jian2
关键词: Glucose ;  Multi-walled carbon nanotubes ;  Glucose oxidase ;  Lithium 1,3,5-benzenetricarboxylic acid ;  Modified electrode
刊名: CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
发表日期: 2012-12-01
DOI: 10.3724/SP.J.1096.2012.20569
卷: 40, 期:12, 页:1832-1838
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical
研究领域[WOS]: Chemistry
英文摘要: A novel organic metal framework compound-lithium 1, 3, 5-benzenetricarboxylic acid (Li-BTC) was polymerized on the bare glassy carbon electrode by electropolymerization method. Then, Nafion/GO(x)/MWNTs/poly-Li-BTC/GC electrode was fabricated by drop coating method. The morphology of the composite film containing MWNTs and poly-Li-BTC was characterized by scanning electron microscopy (SEM). The electrochemical performance of the modified electrode was investigated by cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). The results showed the composite film increased the effective surface area and improved electrocatalytic activity of GC electrode. The electrochemical performance of Nafion/GO(x)/MWNTs/poly-Li-BTC/GC electrode for detection of glucose was investigated by cyclic voltammetry and chronoamperometry. The experiment results showed that the linear range for the detection of the glucose was from 0.02 to 1.56 mmol/L with a correlation coefficient of 0.9992, detection limit of 5.1 mu mol/L (S/N=3:1). The Michaelis constant was 0.832 mmol/L and recovery rate was from 96.5% to 100.3% for the modified electrode. The prepared glucose biosensor has good repeatability, reproducibility, selectivity and stability, and can be applied to determine the glucose content in glucose injection samples.
关键词[WOS]: ELECTRODE ;  NANOPARTICLES ;  NANOCOMPOSITE ;  ACETAMINOPHEN ;  SENSOR
语种: 英语
WOS记录号: WOS:000317237500004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143119
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Liaoning Normal Univ, Coll Chem & Chem Engn, Dalian 116029, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Mat & Thermochem Lab, Dalian 116023, Peoples R China

Recommended Citation:
Wang Tao-Yi,Xu Fen,Sun Li-Xian,et al. Glucose Biosensor Based on Poly-Lithium Benzenetricarboxylic Acid and Multi-walled Carbon Nanotubes Composite Film[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2012,40(12):1832-1838.
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