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    • 3. 发明申请
    • METHOD AND APPARATUS FOR SCREENING CELLS OR FORMED BODIES WITH POPULATIONS EXPRESSING SELECTED CHARACTERISTICS
    • 用于筛选表达选定特征的人群的细胞或形成体的方法和装置
    • WO1990007259A2
    • 1990-07-12
    • PCT/US1989005548
    • 1989-12-13
    • COULTER ELECTRONICS, INC.
    • COULTER ELECTRONICS, INC.KORTRIGHT, Kenneth, H.COULTER, Wallace, H.RODRIGUEZ, CarlosRUSSELL, ThomasPAUL, Ronald
    • G01N33/53A61K49/00C12N5/02G01N15/00G01N15/10G01N15/12G01N33/543G01N33/553G01N33/569G01N33/577
    • G01N15/12G01N33/56972G01N2015/008G01N2015/1062G01N2015/1081
    • A method and apparatus (320, 340, 360) for automatically and rapidly retrieving, counting and/or analyzing at least one selected population of cells or formed bodies, such as a white blood cell population and at least one subset thereof of a whole blood sample (322, 342) or portion thereof. A volume of a biological medium containing the white blood cells is prepared and at least one reactant (326, 346) specific or preferential at least to some selected biological cells is introduced thereto and rapidly mixed (384) for a short period of time. The opacity and/or volume parameter of the cells can be modified and the mixture is then counted and analyzed (332, 352, 416, 422) in one or more steps to obtain the desired white blood cell population and subset analysis. The biological sample can be a whole blood sample and the reactant can include or be a lyse or a monoclonal antibody bound to microspheres, which will bind to specific ones of the cells or a combination of lyse and microspheres with antibody bound thereto. The microspheres can be magnetic and the bound cells can be magnetically removed for retrieving and analyzing the remaining blood cell population.
    • 一种用于自动和快速地检索,计数和/或分析至少一个选定的细胞群体或成体体(例如白细胞群体及其全血的至少一个子集)的方法和装置(320,340,360) 样品(322,342)或其部分。 制备一定体积的含有白细胞的生物培养基,并将至少一种至少特定或优先选择的一些选择的生物细胞的反应物(326,346)引入其中并在短时间内快速混合(384)。 可以修改细胞的不透明度和/或体积参数,然后在一个或多个步骤中对混合物进行计数和分析(332,352,416,422)以获得所需的白细胞群体和子集分析。 生物样品可以是全血样品,并且反应物可以包括结合微球的裂解液或单克隆抗体,其将与特异性细胞结合,或与结合抗体的溶血和微球体的组合。 微球可以是磁性的,并且结合的细胞可被磁性去除,用于检索和分析剩余的血细胞群体。