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    • 1. 发明授权
    • Method and device for improved reaction kinetics in nucleic acid
hybridizations
    • 用于改善核酸杂交反应动力学的方法和装置
    • US5310650A
    • 1994-05-10
    • US925322
    • 1992-08-04
    • Michael E. McMahonJulian Gordon
    • Michael E. McMahonJulian Gordon
    • B01L3/00C12Q1/68C12Q1/70G01N30/38G01N30/60G01N30/92G01N33/558G01N37/00
    • G01N33/558B01L3/5023C12Q1/6834C12Q1/6876C12Q1/689C12Q1/701B01L2300/0825B01L2300/087B01L2400/0406G01N30/38G01N30/6065G01N30/92Y10S435/81
    • The present invention relates to methods and test strips for performing nucleic acid hybridizations on a porous chromatographic material having the capacity for rapid chromatographic solvent transport of non-immobilized reagents and reactive solution components by means of a selected chromatographic solvent. The strip includes a first end or contact site, at which chromatographic solvent transport begins, a second end, at which chromatographic solvent transport ends, and at least one zone positioned between the first and second ends. The zone is impregnated with a capture nucleotide sequence which is immobilized against solvent transport and which is capable of hybridization with a complementary nucleotide sequence or probe so as to render it immobilized in the capture zone. The strip may further include a probe zone between the first end and the capture zone, wherein a labeled probe is impregnated such that it is mobilized by the solvent and transported to the capture zone where hybridization can occur. Interfering sample components and unhybridized nucleic acids are cleared from the capture zone by chromatographic solvent transport to form an inherent wash.
    • 本发明涉及用于在多孔层析材料上进行核酸杂交的方法和测试条,该多孔层析材料具有通过选择的色谱溶剂快速色谱溶剂转运非固定化试剂和反应溶液组分的能力。 条带包括开始色谱溶剂转移的第一端或接触位置,色谱溶剂输送结束的第二端和位于第一端和第二端之间的至少一个区。 该区域被捕获核苷酸序列浸渍,该捕获核苷酸序列固定化以抵抗溶剂转运并且能够与互补核苷酸序列或探针杂交,以使其固定在捕获区中。 条带还可以包括在第一端和捕获区之间的探针区,其中标记的探针被浸渍,使得其被溶剂移动并被运送到可以发生杂交的捕获区。 干扰样品组分和未杂交的核酸通过色谱溶剂转移从捕获区域中清除,形成固有的洗涤液。