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    • 24. 发明申请
    • SEPARATION DEVICE WITH INTEGRAL GUARD COLUMN
    • 具有整体保护柱的分离装置
    • WO2005007264A3
    • 2005-05-19
    • PCT/US2004022374
    • 2004-07-12
    • WATERS INVESTMENTS LTDGRANGER JENNIFER HARNISCHPLUMB ROBERT
    • GRANGER JENNIFER HARNISCHPLUMB ROBERT
    • B01D20060101B01D15/08G01N30/60
    • B01D15/22G01N30/60G01N30/6039G01N30/6065G01N30/6069G01N2030/085
    • A separation device (2) is formed of a first tube (10) with a cylindrical wall (11) enclosing a chamber (16) having a first diameter, where the device has a first end (18) for discharging a fluid. At least two stationary phase medias are packed into the chamber (11) with separating frits (24) between the medias. At least one end frit element (22), secured to an inner surface of the first tube (10) contains the media in its section of the chamber (11) and allows the beds (30, 32) formed of the media to be formed and packed. When the separation device (2) so constructed forms a nanocolumn with a guard bed, the guard bed may be cleaved from the separation device (2) extending the useful life of the nanocolumn. When the separation device (2) so constructed comprises two analytical sections, and a plurality guard beds, complex analysis may be performed on a column having an extended useful life.
    • 分离装置(2)由具有包围具有第一直径的室(16)的圆柱形壁(11)的第一管(10)形成,其中该装置具有用于排出流体的第一端(18)。 至少两个固定相介质被填充到腔室(11)中,分离介质之间的玻璃料(24)。 固定到第一管(10)的内表面的至少一个端部玻璃料元件(22)在其腔室(11)的部分中包含介质,并允许形成由介质形成的床(30,32) 并打包。 当如此构造的分离装置(2)形成具有保护床的纳米柱时,保护床可以从延长纳米柱的使用寿命的分离装置(2)裂开。 当如此构造的分离装置(2)包括两个分析部分和多个保护床时,可以对具有延长的使用寿命的柱进行复杂分析。
    • 27. 发明申请
    • FILTRATION/SEPARATION CONTAINER WITHOUT AN IN-BUILT FILTER
    • 无内置过滤器的过滤/分离容器
    • WO01007138A1
    • 2001-02-01
    • PCT/US2000/020132
    • 2000-07-25
    • B01D15/08G01N30/60
    • B01D15/22B01D15/362B01D15/363G01N30/6004G01N30/603G01N30/6065
    • This invention relates to a container, housing or column designed to perform filtration or sample separation without the use of a filter in said container. The present invention consists of a container that has one or more perforations, incisions or holes at its closed, bottom end. Such perforations, incisions or holes are large enough to permit the passage of fluids or smaller particles, but small enough to block the passage of solid materials or larger particles, such as chromatography support media. This device can thus be used for the filtration or separation of samples without the use of a filter in the container, where said filter would be used to hold the solid matrix or column material in the container. The container described herein can be used for sample separation or purification using a vacuum, pressure, centrifugation, gravitation or other separation methods.
    • 本发明涉及一种设计用于在所述容器中不使用过滤器的情况下进行过滤或样品分离的容器,外壳或柱。 本发明包括在其封闭的底端具有一个或多个穿孔,切口或孔的容器。 这种穿孔,切口或孔足够大以允许流体或较小颗粒通过,但足够小以阻止固体材料或较大颗粒(例如色谱支持介质)的通过。 因此,该装置可以用于样品的过滤或分离,而不需要在容器中使用过滤器,其中所述过滤器将用于将固体基质或柱材料保持在容器中。 本文所述的容器可用于使用真空,压力,离心,重力或其它分离方法的样品分离或纯化。