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  • Application of Ionic Liquids in Electrochemical Sensing Systems

    Author(s)
    Shiddiky, Muhammad JA
    Torriero, Angel AJ
    Griffith University Author(s)
    Shiddiky, Muhammad J.
    Year published
    2011
    Metadata
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    Abstract
    Since 1992, when the room temperature ionic liquids (ILs) based on the 1-alkyl-3-methylimidazolium cation were reported to provide an attractive combination of an electrochemical solvent and electrolyte, ILs have been widely used in electrodeposition, electrosynthesis, electrocatalysis, electrochemical capacitor, and lithium batteries. However, it has only been in the last few years that electrochemical biosensors based on carbon ionic liquid electrodes (CILEs) and IL-modified macrodisk electrodes have been reported. However, there are still a lot of challenges in achieving IL-based sensitive, selective, and reproducible ...
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    Since 1992, when the room temperature ionic liquids (ILs) based on the 1-alkyl-3-methylimidazolium cation were reported to provide an attractive combination of an electrochemical solvent and electrolyte, ILs have been widely used in electrodeposition, electrosynthesis, electrocatalysis, electrochemical capacitor, and lithium batteries. However, it has only been in the last few years that electrochemical biosensors based on carbon ionic liquid electrodes (CILEs) and IL-modified macrodisk electrodes have been reported. However, there are still a lot of challenges in achieving IL-based sensitive, selective, and reproducible biosensors for high speed analysis of biological and environmental compounds of interest. This review discusses the principles of operation of electrochemical biosensors based on CILEs and IL/composite-modified macrodisk electrodes. Subsequently, recent developments and major strategies for enhancing sensing performance are discussed. Key challenges and opportunities of IL-based biosensors to further development and use are considered. Emphasis is given to direct electron-transfer reaction and electrocatalysis of hemeproteins and enzyme-modified composite electrodes.
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    Journal Title
    Biosensors and Bioelectronics
    Volume
    26
    Issue
    5
    DOI
    https://doi.org/10.1016/j.bios.2010.08.064
    Subject
    Analytical chemistry
    Analytical chemistry not elsewhere classified
    Biomedical engineering
    Nanotechnology
    Publication URI
    http://hdl.handle.net/10072/172459
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    • Journal articles

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