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    • 5. 发明申请
    • IMPROVED AGGLUTINATION REACTION DEVICE HAVING GEOMETRICALLY MODIFIED CHAMBERS
    • 改进的几何改型反应装置
    • WO1992008972A1
    • 1992-05-29
    • PCT/US1991008549
    • 1991-11-15
    • ABBOTT LABORATORIES
    • ABBOTT LABORATORIESPARSONS, Robert, G.BASORE, Bob, O.O'CONNELL, Michael, B.FORNEY, Kevin, J.ROPELLA, Paul, J.MUETTERTIES, Andrew, J.
    • G01N31/22
    • G01N33/5304B01L3/5027B01L2300/069B01L2300/0803B01L2300/0825B01L2300/0864B01L2300/0887B01L2400/0406G01N33/54366
    • Disclosed is a device for performing agglutination reactions comprising: in adherent relationship, a first wettable layer (1), a second liquid-occlusive layer (2) parallel to and overlying the first layer (1), and a third layer (3) parallel to and overlying the second layer (2) and having a window for observing particles. The second layer is interposed between, and is in adherent relationship to the first and third layers. The second layer (2) has at least one general slot (25) defining a channel for directing liquid conducted by capillary action through a chamber defined by the slot in conjunction with the first (1) and third (3) layers. The chamber has a proximate zone and a distal zone. The geometry of the chamber is modified to provide flow paths having different rates of flow per unit area along the paths. This arrangement of such different paths in the chamber allows agglutination reactions in the chamber to result in the formation of a non-random pattern of aggregated particles in the distal zone of the chamber. Such a non-random pattern is more readily observable than a random pattern of aggregated particles.
    • 公开了一种用于进行凝集反应的装置,包括:以粘附关系,平行于第一层(1)的第一可湿性层(1),第二液体闭塞层(2)和第三层(3)平行 到达并覆盖第二层(2)并具有用于观察颗粒的窗口。 第二层插入在第一和第三层之间并且与第一和第三层呈贴壁关系。 第二层(2)具有限定通道的至少一个通用槽(25),该通道用于将通过毛细管作用传导的液体引导通过与第一(1)和第三层(3)层结合的槽限定的室。 腔室具有近区域和远端区域。 腔室的几何形状被修改以提供具有沿着路径的每单位面积流速不同的流动路径。 腔室中这种不同路径的这种布置允许腔室中的凝集反应导致在腔室的远侧区域中形成凝集颗粒的非随机图案。 这种非随机图案比聚集颗粒的随机图案更容易观察到。