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    • 68. 发明授权
    • Device for performing solid-phase diagnostic assay
    • 用于进行固相诊断测定的装置
    • US5244630A
    • 1993-09-14
    • US425651
    • 1989-10-23
    • Omar S. KhalilCharles F. HannaDenise G. HuffThomas F. Zurek
    • Omar S. KhalilCharles F. HannaDenise G. HuffThomas F. Zurek
    • B01L3/00C12M1/34G01N21/78G01N33/543G01N33/576G01N33/94G01N35/02G01N35/10
    • B01L3/50255G01N33/54313G01N33/54366G01N33/5762G01N33/94G01N35/1002B01L2300/069B01L2300/0829B01L2400/0406Y10S435/805Y10T436/255Y10T436/2575
    • A disposable device suitable for performing automated solid-phase diagnostic assays which employs microparticles to complex an analyte and where the microparticle complex becomes retained and immobilized on a fibrous matrix such that the presence of analyte on the microparticles can be detached by optical means. A device is disclosed having a plurality of well pairs comprising a sample well for receiving a sample and reagents for forming a reaction mixture, a read well comprising (a) an entrance port and holder for receiving and holding a quantity of sample and assay reagents, (b) a fibrous matrix for retaining and immobilizing microparticle/analyte complexes for detection, said fibrous matrix positioned below said holder, and having an average spatial separation of fibers greater than the average diameter of said microparticles, (c) absorbent material positioned below said fibrous matrix for assisting the flow of sample and assay reagents through said fibrous matrix, (d) walls or ribs for creating a substantially light-tight real surrounding the wells, (e) a vent for venting air entrapped in the absorbent material and which is displaced by fluids absorbed therein, and (f) a passage between the sample well and the read well whereby sample and reaction mixtures can be transferred and washed from said sample well into said read well without being contacted by any apparatus.
    • 一种适用于执行自动化固相诊断测定的一次性装置,其使用微粒来复合分析物,并且其中微粒复合物保留并固定在纤维基质上,使得微粒上的分析物的存在可以通过光学方式分离。 公开了一种具有多个阱对的装置,其包括用于接收样品的样品阱和用于形成反应混合物的试剂,读数井包括(a)用于接收和保持一定量样品和测定试剂的入口和保持器, (b)用于保持和固定用于检测的微粒/分析物复合物的纤维基质,所述纤维基质位于所述保持器下方,并且具有大于所述微粒平均直径的纤维的平均空间分离,(c)位于所述 用于辅助样品和测定试剂通过所述纤维基质流动的纤维基质,(d)用于产生围绕所述孔的基本上不透光的真空的壁或肋,(e)用于排出被捕获在吸收材料中的空气的通风口, 被吸收在其中的流体所取代,和(f)样品井和读数井之间的通道,从而可以将样品和反应混合物转移并洗涤 在不用任何设备接触的情况下,将样品良好地称入所述读取孔中。