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    • 9. 发明公开
    • A test device for performing specific binding assays
    • 用于进行特异性结合测定的测试设备
    • EP0560410A2
    • 1993-09-15
    • EP93108763.9
    • 1988-04-26
    • UNILEVER N.V.
    • May, keithPrior, Michael EvansRichards, Ianl Evans
    • G01N33/52G01N33/558G01N33/76B01L3/00G01N33/58
    • G01N33/54366G01N30/90G01N33/54386G01N33/548G01N33/549G01N33/558G01N33/58G01N33/689G01N33/76G01N2800/368Y10S435/805Y10S435/81Y10S435/962Y10S435/969Y10S435/97Y10S435/975Y10S436/805Y10S436/81Y10S436/814Y10S436/817Y10S436/818Y10S436/906
    • An analytical test device useful for example in pregnancy testing, comprises a hollow casing (500) constructed of moisture-impervious solid material, such as plastics materials, containing a dry porous carrier (510) which communicates indirectly with the exterior of the casing via a bibulous sample receiving member (506) which protrudes from the casing such that a liquid test sample can be applied to the receiving member and permeate therefrom to the porous carrier, the carrier containing in a first zone a labelled specific binding reagent is freely mobile within the porous carrier when in the moist state, and in a second zone spatially distinct from the first zone unlabelled specific binding reagent for the same analyte which unlabelled reagent is permanently immobilised on the carrier material and is therefore not mobile in the moist state, the two zones being arranged such that liquid sample applied to the porous carrier can permeate via the first zone into the second zone, and the device incorporating means, such as an aperture (508) in the casing, enabling the extent (if any) to which the labelled reagent becomes bound in the second zone to be observed. Preferably the device includes a removable cap for the protruding bibulous member.
    • 用于例如妊娠试验的分析测试装置包括由不透湿的固体材料(例如塑料材料)构成的中空壳体(500),其包含干多孔载体(510),该载体通过 吸水样品接收构件(506),其从壳体突出,使得液体测试样品可以施加到接收构件并从其渗透到多孔载体,载体在第一区域中包含标记的特异性结合试剂, 多孔载体处于潮湿状态时,以及在与第一区域空间上不同的第二区域中,未标记试剂永久固定在载体材料上并因此在潮湿状态下不能移动的相同分析物的未标记特异性结合试剂,两个区域 被布置成使得施加到多孔载体的液体样品可以经由第一区域渗透到第二区域中, 装置包含诸如壳体中的孔(508)的装置,使得能够观察到标记试剂在第二区域中结合的程度(如果有的话)。 优选地,该装置包括用于突出的吸水部件的可移除的帽。