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    • 5. 发明申请
    • METHOD FOR MAGNETIC BEAD ISOLATION OF NUCLEIC ACIDS
    • 核酸珠粒分离方法
    • WO2005021748A1
    • 2005-03-10
    • PCT/EP2004/009156
    • 2004-08-16
    • QIAGEN GMBHHIMMELREICH, RalfWERNER, Sabine
    • HIMMELREICH, RalfWERNER, Sabine
    • C12N15/10
    • C12N15/1013
    • The present invention provides a method for isolating biopolymers, particularly nucleic acids, such as DNA or RNA or hybrid molecules of DNA and RNA, from an aqueous solution utilizing magnetic particles, particularly silica magnetic particles. The method of the present invention involves forming a complex of the magnetic particles and the biopolymer in a mixture of said particles and said aqueous solution, comprising a salt and an additive, separating the complex from the mixture by a magnetic force, and eluting the biopolymer from the complex, wherein advantageously no substantial clustering of said magnetic particles occurs during the performance of the method. In a preferred embodiment the method of the invention is performed as an automated process.
    • 本发明提供一种使用磁性颗粒,特别是二氧化硅磁性颗粒从水溶液中分离生物聚合物,特别是核酸,如DNA或RNA或DNA和RNA的混合分子的方法。 本发明的方法包括在所述颗粒和所述水溶液的混合物中形成磁性颗粒和生物聚合物的复合物,所述混合物包含盐和添加剂,通过磁力将复合物与混合物分离,并将该生物聚合物 其中在执行该方法期间,其中有利地不发生所述磁性颗粒的实质聚集。 在优选实施例中,本发明的方法作为自动化过程进行。
    • 9. 发明申请
    • NUCLEIC ACID AMPLIFICATION METHOD
    • 核酸扩增方法
    • WO2014095931A1
    • 2014-06-26
    • PCT/EP2013/076990
    • 2013-12-17
    • QIAGEN GMBH
    • WENDE, AndyWERNER, Sabine
    • C12Q1/68
    • C12Q1/6844C12Q1/6846C12Q2521/513C12Q2527/125
    • The invention relates to a method of performing a helicase dependent amplification (HDA) or thermophilic helicase dependent amplification of a template nucleic acid comprising: (i) combining in a reaction mixture the template nucleic acid; a forward and a reverse HDA primer; a helicase; at least one DNA polymerase and deoxynucleotide triphosphates (dNTPs), (ii) wherein the reaction comprises a linear polyethylene glycol with the formula (I) wherein n is between 2 to 50, preferably n is selected from the group comprising 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 and 12. The invention also relates to a kit comprising one or more reagents for performing an HDA reaction, wherein a polyethylene glycol is present in the kit.
    • 本发明涉及一种对模板核酸进行解旋酶依赖性扩增(HDA)或嗜热解旋酶依赖扩增的方法,包括:(i)在反应混合物中混合模板核酸; 正向和反向HDA引物; 解旋酶 至少一种DNA聚合酶和脱氧核苷酸三磷酸(dNTP),(ii)其中该反应包含具有式(I)的线性聚乙二醇,其中n在2至50之间,优选n选自2,3,4 ,5,6,7,8,9,10,11和12.本发明还涉及包含用于进行HDA反应的一种或多种试剂的试剂盒,其中试剂盒中存在聚乙二醇。