Extraction of nucleic acids using small diameter magnetically-responsive particles
    1.
    发明申请
    Extraction of nucleic acids using small diameter magnetically-responsive particles 审中-公开
    使用小直径磁响应颗粒提取核酸

    公开(公告)号:US20050239091A1

    公开(公告)日:2005-10-27

    申请号:US10885949

    申请日:2004-07-08

    IPC分类号: C12N15/10 C12Q1/68 G01N35/00

    摘要: A method includes creating a mixture in a container, the mixture including a sample containing at least one molecule of nucleic acid, at least one magnetically-responsive particle, and a remainder; and providing the mixture with a pH of less than about 7.0, thereby altering the surface charge properties of the at least one magnetically-responsive particle. The alteration in the surface change properties of the at least one magnetically-responsive particle causes the at least one molecule of nucleic acid to become non-specifically bound to the at least one magnetically-responsive particle to form a complex. Preferably, the at least one magnetically-responsive particle is uncoated, untreated, lacks surface modification, and has a diameter of about 0.1 μm to about 1.0 μm.

    摘要翻译: 一种方法包括在容器中产生混合物,所述混合物包括含有至少一个核酸分子的样品,至少一个磁响应颗粒和其余部分; 以及提供小于约7.0的pH的混合物,从而改变至少一个磁响应颗粒的表面电荷性质。 所述至少一个磁响应颗粒的表面变化特性的改变导致所述至少一个核酸分子变得非特异性结合至所述至少一个磁响应颗粒以形成复合物。 优选地,所述至少一个磁响应颗粒是未涂覆的,未经处理的,缺少表面改性,并且具有约0.1μm至约1.0μm的直径。

    Use of magnetic material to fractionate samples
    2.
    发明申请
    Use of magnetic material to fractionate samples 审中-公开
    使用磁性材料分离样品

    公开(公告)号:US20060030056A1

    公开(公告)日:2006-02-09

    申请号:US11195657

    申请日:2005-08-03

    IPC分类号: G01N33/551

    摘要: A method useful for the reversible binding of a protein molecule in a biological sample. The method uses paramagnetic particles having an associated electronic charge to bind proteins with the opposite charge to form a particle/protein complex. The complex can be immobilized to a container wall by applying a magnetic field to the particle/protein complex. The sample may be further processed to obtain a protein sample in a more pure form or a sample depleted of select proteins.

    摘要翻译: 可用于生物样品中蛋白质分子可逆结合的方法。 该方法使用具有相关电子电荷的顺磁性颗粒来结合具有相反电荷的蛋白质以形成颗粒/蛋白质复合物。 通过向颗粒/蛋白质复合物施加磁场,可将复合物固定在容器壁上。 可以进一步处理样品以获得更纯的形式的蛋白质样品或贫化的选择蛋白质的样品。

    Chemical treatment of biological samples for nucleic acid extraction and kits therefor
    3.
    发明申请
    Chemical treatment of biological samples for nucleic acid extraction and kits therefor 审中-公开
    用于核酸提取的生物样品的化学处理及其试剂盒

    公开(公告)号:US20070031880A1

    公开(公告)日:2007-02-08

    申请号:US11544040

    申请日:2006-10-06

    IPC分类号: C12Q1/68 C07H21/04

    CPC分类号: C12N15/1013 C07H21/04

    摘要: A composition and method for the purification of nucleic acid are disclosed. The composition includes at least one alkaline agent and at least one detergent. The composition preferably also includes a suspension of paramagnetic particles and an acidic solution. The method involves the use of the composition with paramagnetic particles to extract nucleic acid from a biological sample.

    摘要翻译: 公开了一种用于纯化核酸的组合物和方法。 该组合物包括至少一种碱性试剂和至少一种洗涤剂。 组合物优选还包括顺磁性颗粒和酸性溶液的悬浮液。 该方法涉及使用具有顺磁性颗粒的组合物从生物样品中提取核酸。

    Multiple fluorophore detector system
    5.
    发明申请
    Multiple fluorophore detector system 审中-公开
    多重荧光团检测系统

    公开(公告)号:US20050233332A1

    公开(公告)日:2005-10-20

    申请号:US10825943

    申请日:2004-04-14

    申请人: Matthew Collis

    发明人: Matthew Collis

    IPC分类号: C12N15/09 C12Q1/68 C07H21/04

    CPC分类号: C12Q1/6816 C12Q2565/1025

    摘要: A detector oligonucleotide comprises multiple pairs of a donor fluorophore and a quencher molecule, which donor fluorophores and quencher molecules are separated by a site that is capable of being cleaved when in double-stranded form. The detector oligonucleotide may be made double-stranded in a manner that depends on the presence of a target nucleic acid, allowing the cleavage sites to be cleaved. Separation of the donor fluorophores and the quencher molecules decreases fluorescence quenching and generates a detectable change in a fluorescence parameter of the fluorophores of the detector oligonucleotide. By using multiple donor/quencher pairs, the present detector oligonucleotide advantageously generates a high signal to noise ratio and high efficiency in detection of a target nucleic acid.

    摘要翻译: 检测器寡核苷酸包含多对供体荧光团和猝灭剂分子,供体荧光团和猝灭剂分子由能双链形式切割的位点分开。 检测器寡核苷酸可以以取决于靶核酸的存在的方式制成双链,允许切割位点被切割。 供体荧光团和猝灭剂分子的分离会降低荧光猝灭,并产生检测器寡核苷酸的荧光团的荧光参数的可检测变化。 通过使用多个供体/猝灭剂对,本发明的检测器寡核苷酸有利地产生高的信噪比并且在靶核酸的检测中具有高效率。

    Multiple fluorophore detector system
    6.
    发明授权
    Multiple fluorophore detector system 有权
    多重荧光团检测系统

    公开(公告)号:US08940882B2

    公开(公告)日:2015-01-27

    申请号:US11785441

    申请日:2007-04-18

    申请人: Matthew Collis

    发明人: Matthew Collis

    IPC分类号: C07H21/04 C12Q1/68

    CPC分类号: C12Q1/6816 C12Q2565/1025

    摘要: A detector oligonucleotide comprises multiple pairs of a donor fluorophore and a quencher molecule, which donor fluorophores and quencher molecules are separated by a site that is capable of being cleaved when in double-stranded form. The detector oligonucleotide may be made double-stranded in a manner that depends on the presence of a target nucleic acid, allowing the cleavage sites to be cleaved. Separation of the donor fluorophores and the quencher molecules decreases fluorescence quenching and generates a detectable change in a fluorescence parameter of the fluorophores of the detector oligonucleotide. By using multiple donor/quencher pairs, the present detector oligonucleotide advantageously generates a high signal to noise ratio and high efficiency in detection of a target nucleic acid.

    摘要翻译: 检测器寡核苷酸包含多对供体荧光团和猝灭剂分子,供体荧光团和猝灭剂分子由能双链形式切割的位点分开。 检测器寡核苷酸可以以取决于靶核酸的存在的方式制成双链,允许切割位点被切割。 供体荧光团和猝灭剂分子的分离会降低荧光猝灭,并产生检测器寡核苷酸的荧光团的荧光参数的可检测变化。 通过使用多个供体/猝灭剂对,本发明的检测器寡核苷酸有利地产生高的信噪比并且在靶核酸的检测中具有高效率。

    Methods for Extraction and Purification of Components of Biological Samples
    7.
    发明申请
    Methods for Extraction and Purification of Components of Biological Samples 审中-公开
    生物样品组分提取和纯化方法

    公开(公告)号:US20090061497A1

    公开(公告)日:2009-03-05

    申请号:US12165069

    申请日:2008-06-30

    IPC分类号: C12N13/00 C07H21/04

    摘要: A method is provided for extracting and purifying components of biological samples with a two-step process for elution and neutralization of the components from the sample. The separate elution and neutralization steps use adjustment of the buffer pH to improve extraction and purification of the desired components.

    摘要翻译: 提供了用于从样品中洗脱和中和组分的两步法提取和纯化生物样品组分的方法。 单独的洗脱和中和步骤使用缓冲液pH的调节来改善所需组分的提取和纯化。