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    • 3. 发明授权
    • Analytical device
    • 分析装置
    • US07186356B2
    • 2007-03-06
    • US10479745
    • 2002-05-30
    • David LusseyDavid BloorPaul Jonathan LaughlinPhilip James Walton Hands
    • David LusseyDavid BloorPaul Jonathan LaughlinPhilip James Walton Hands
    • H01B1/00H01C8/00H01C10/14
    • G01N27/126H01C7/027H01C10/106
    • A sensor for chemical species or biological species or radiation presenting to test fluid a polymer composition comprises polymer and conductive filler metal, alloy or reduced metal oxide and having a first level of electrical conductance when quiescent and being convertible to a second level of conductance by change of stress applied by stretching or compression or electric field, in which the polymer composition is characterized by at least one of the features in the form of particles at least 90% w/w held on a 100 mesh sieve; and/or comprising a permeable body extending across a channel of fluid flow; and/or affording in-and-out diffusion of test fluid and/or mechanically coupled to a workpiece of polymer swellable by a constituent of test fluid.
    • 用于化学物质或生物物质或辐射呈现以用于测试聚合物组合物的流体的传感器包括聚合物和导电填料金属,合金或还原金属氧化物,并且当静止并且通过变化可转换成第二电导水平时具有第一水平的导电性 通过拉伸或压缩或电场施加的应力,其中聚合物组合物的特征在于保持在100目筛上的至少90%w / w的颗粒形式的至少一种特征; 和/或包括延伸穿过流体流动通道的可渗透体; 和/或提供测试流体的进出扩散和/或机械耦合到聚合物的工件上,所述聚合物可由测试流体的组分溶胀。