Synthesis of 1-[3-(N-pyrrole)propyl]-3-[1-tert-butoxycarbonylamino-propyl]-imidazolium tetrafluoroborate ionic liquid for application in electrochemical sensing of magnolol

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• 作者：Guishen Liu ; Yanhui Ma ; Xiaodong Hou ; Yina huang ; Jianpeng Chen ; Guoqing Zhan…
• 关键词：Ionic liquid ; Electrochemical polymerization ; Sensor ; Magnolol
• 刊名：Ionics
• 出版年：2015
• 出版时间：September 2015
• 年：2015
• 卷：21
• 期：9
• 页码：2567-2574
• 全文大小：461 KB
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• 作者单位：Guishen Liu (1)
  Yanhui Ma (2)
  Xiaodong Hou (1)
  Yina huang (1)
  Jianpeng Chen (1)
  Guoqing Zhan (2)
  Chunya Li (2)
  
  1. Chaozhou Quality and Measurement Supervision and Inspection Institute, Chaozhou, 521011, China
  2. Laboratory of Analytical Chemistry of the Satate Ethnic Affairs Commission, College of Chemistry and Materials Science, South-Central University for Nationalities, Wuhan, 430074, China
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Electrochemistry
  Materials Science
  Physical Chemistry
  Condensed Matter
  Renewable Energy Sources
  Electrical Power Generation and Transmission
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1862-0760

文摘

1-[3-(N-Pyrrole)propyl]-3-[1-tert-butoxy-carbonylamino-propyl]imidazolium tetrafluoroborate ionic liquid was successfully synthesized and characterized. The ionic liquid was electrochemically polymerized onto a glassy carbon electrode surface using a multi-potential step technique. Morphology and electrochemical properties of the polymerized ionic liquid film electrode were studied with scanning electronic microscopy and electrochemical impedance spectroscopy. Using the polymerized ionic liquid film as a sensing platform, electrochemical behaviors of magnolol were investigated by voltammetry. Under optimal experimental conditions, the oxidation peak currents were linearly related to magnolol concentrations in the range from 5.0?×-0? to 1.0?×-0? mol L?. The detection limit calculated from the standard deviation of the intercept was 2.3?×-0? mol L?. Practical application of the polymerized ionic liquid film electrode was demonstrated by determining magnolol in the traditional Chinese medicine. The result is consistent with that obtained using high performance liquid chromatography.