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    • 31. 发明申请
    • Electrochemical Sensing Method
    • 电化学传感法
    • US20130043140A1
    • 2013-02-21
    • US13514526
    • 2010-10-26
    • Frederic LuiziLuca MezzoJean-François FellerMickaël Castro
    • Frederic LuiziLuca MezzoJean-François FellerMickaël Castro
    • G01N27/26B82Y15/00
    • G01N27/308B82Y15/00G01N33/0047
    • The present invention is related to a method for detecting at least one chemical analyte vapour in a gaseous environment comprising the steps of: providing a fibre-based electrochemical sensor, said fibre-based sensor comprising at least one type of composite fibres, said type of composite fibres comprising a co-continuous phase blend comprising a first and a second continuous polymer phase, the first polymer phase being sensitive to the chemical analyte vapour to be detected in use, wherein said first polymer phase comprises a dispersion of carbon nanotubes at a concentration above the percolation threshold and wherein the chemical analyte is soluble in said first polymer phase; measuring the initial electrical conductivity of the fibre-based sensor; bringing said fibre-based sensor into contact with at least one chemical analyte to induce a modification of the electrical conductivity of the fibres; measuring the modification of the resulting electrical conductivity of said fibre-based sensor and correlating said modification with the identification of the chemical analyte to be detected.
    • 本发明涉及用于在气体环境中检测至少一种化学分析物蒸汽的方法,包括以下步骤:提供基于纤维的电化学传感器,所述基于纤维的传感器包括至少一种类型的复合纤维,所述类型的 复合纤维,其包含包含第一和第二连续聚合物相的共连续相共混物,所述第一聚合物相对待使用的待检测的化学分析物蒸汽敏感,其中所述第一聚合物相包含浓度为的碳纳米管的分散体 高于渗滤阈值,并且其中所述化学分析物可溶于所述第一聚合物相中; 测量基于光纤的传感器的初始电导率; 使所述基于纤维的传感器与至少一种化学分析物接触以诱导纤维的电导率的改变; 测量所述基于光纤的传感器的所得电导率的修改,并将所述修改与要检测的化学分析物的识别相关联。