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    • 4. 发明授权
    • Flow cell for synthesis of arrays of DNA probes and the like
    • 用于合成DNA探针阵列等的流通池
    • US06315958B1
    • 2001-11-13
    • US09437369
    • 1999-11-10
    • Sangeet Singh-GassonYongjian YueRoland D. Green
    • Sangeet Singh-GassonYongjian YueRoland D. Green
    • C12M100
    • G01N35/0098B01J19/0046B01J2219/00281B01J2219/00351B01J2219/00527B01J2219/00596B01J2219/00605B01J2219/00612B01J2219/00722C40B40/06C40B60/14G01N2035/00158
    • A flow cell which can be used in the synthesis of DNA probes on an active surface of the substrate includes a base having a central window opening and a registration surface against which the substrate may be mounted. A gasket having a central opening defining an active area is mounted on the active surface of the substrate and has inlet and output extension openings which extend away from the central opening. A press block is engaged against the gasket to fully enclose an active volume between the press block, the peripheral walls of the central opening in the gasket, and the active surface of the substrate. A press is mounted to the base to selectively press the press block against the gasket and hold it in position. Channels in the press block extend to the extension openings in the gasket to allow flow of reagent into and out of the active volume, which is confined to the thickness of the gasket and can thus be minimized. The press may include a press screw which can be turned to engage against the press block to hold it into position, and which can be turned to release the press block from the gasket, allowing rapid and easy replacement of substrates.
    • 可用于合成DNA探针的流动池在基底的有效表面上包括具有中心窗口和对准表面的基底,该基底可安装在其上。 具有限定有源区域的中心开口的垫圈安装在基板的有效表面上,并且具有远离中心开口延伸的入口和输出延伸开口。 压块与垫圈接合以完全包围压块,衬垫中的中心开口的周壁和衬底的有效表面之间的有效体积。 压力机安装到基座上以选择性地将压块压靠垫圈并将其保持在适当位置。 压块中的通道延伸到垫圈中的延伸开口,以允许试剂流入和流出活性体积,这限制在垫圈的厚度上,因此可以最小化。 压力机可以包括压力螺钉,其可以转动以与压块接合以将其保持在适当位置,并且可以转动以将压块从垫圈释放,从而允许快速且容易地更换基板。