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    • 44. 发明授权
    • Method and assembly for DNA isolation with dry reagents
    • 用干试剂进行DNA分离的方法和装配
    • US08088576B2
    • 2012-01-03
    • US11587581
    • 2005-04-28
    • Walter GumbrechtPeter PaulickaManfred Stanzel
    • Walter GumbrechtPeter PaulickaManfred Stanzel
    • C12Q1/68
    • B01L3/502761B01J2219/00286B01J2219/00459B01J2219/005B01J2219/00648B01J2219/00722B01L7/52B01L2200/0668B01L2200/082B01L2200/10B01L2200/16B01L2300/0816B01L2400/0406B01L2400/0487C12N15/1013C12Q1/6806C12Q2563/143C12Q2531/113
    • A DNA isolation method by removal of constituents, interfering with a subsequent PCR is disclosed. According to an embodiment of the method, all substances and method steps are fully integrated into a closed unit (cartridge) for single use, which allows entry of a DNA-containing sample and DNA-binding substrates are used for isolating the released DNA. In particular, when the method is applied to DNA isolation from whole blood by disruption of white blood cells, the reagents, required for carrying out the cell disruption and other reactions, are stored in a form which is stable at room temperature. For disrupting the white blood cells and for DNA isolation, a dry stored lysis reagent is dissolved in an aqueous solution and brought into contact with the white blood cells. The corresponding assembly includes a unit, for housing DNA-containing biological containers and/or reagents, whereby at least one microchannel is provided to contain reagents, whereby the reagent is present in the microchannel as a dry mixture with a negligible vapor pressure, which forms a stable substance at room temperature.
    • 公开了通过去除组分,干扰后续PCR的DNA分离方法。 根据该方法的一个实施方案,所有物质和方法步骤完全整合到用于单次使用的封闭单元(盒)中,其允许含DNA样品的进入和DNA结合底物用于分离释放的DNA。 特别是,当将该方法应用于通过破坏白血细胞从全血中分离DNA时,进行细胞破碎和其它反应所需的试剂以在室温下稳定的形式储存。 为了破坏白细胞和进行DNA分离,将干燥储存的裂解试剂溶解在水溶液中并与白细胞接触。 相应的组件包括用于容纳含有DNA的生物容器和/或试剂的单元,由此提供至少一个微通道以容纳试剂,由此所述试剂作为干燥的混合物存在于微通道中,所述干燥混合物具有可忽略的蒸气压,其形成 在室温下稳定的物质。