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    • 20. 发明授权
    • Apparatus for capillary electrophoresis
    • 毛细管电泳仪
    • US4985129A
    • 1991-01-15
    • US279382
    • 1988-12-02
    • Samuel Burd
    • Samuel Burd
    • G01N27/447
    • G01N27/44743G01N27/44704G01N27/44721
    • A capillary tube for use in high performance capillary electrophoresis is enclosed in a cartridge of generally planar configuration, formed by two flat plates joined together along raised edges to define a shallow enclosed chamber to retain the looped capillary tube, the plates having aligned windows between which a segment of the capillary tube passes, thereby forming a light path for zone detection. The termini of the capillary are embedded in fittings extending from the exterior of the cartridge, which mate with complementary fittings on inlet and outlet blocks which contain buffer reservoirs with controlled hydrostatic heads. The inlet block is specially equipped with ducts and fittings to permit filling of the capillary, injection of the sample into the capillary, changing of the solution in the buffer reservoir, and flushing out of the entire block without disconnecting the block from the capillary cartridge. By securing the cartridge containing the capillary tube into its holder, the capillary tube is correctly aligned in the detector light path.
    • 用于高性能毛细管电泳的毛细管被封装在大体上平面构型的盒中,由沿着凸起边缘连接在一起的两个平板形成,以限定一个浅的封闭室,以保持环状的毛细管, 毛细管的一段通过,从而形成用于区域检测的光路。 毛细管的末端嵌入从筒的外部延伸的配件中,该配件与入口和出口块上的互补配件相配合,该配件包含具有受控流体静压头的缓冲储存器。 入口块特别配备有管道和配件,以允许填充毛细管,将样品注入毛细管,改变缓冲液储存器中的溶液,并从整个块中冲洗,而不要将块与毛细管柱断开。 通过将含有毛细管的药筒固定到其保持器中,毛细管在检测器光路中正确对准。