Method for separating target component using magnetic nanoparticles
    1.
    发明申请
    Method for separating target component using magnetic nanoparticles 审中-公开
    使用磁性纳米颗粒分离靶组分的方法

    公开(公告)号:US20090029481A1

    公开(公告)日:2009-01-29

    申请号:US11919869

    申请日:2006-06-29

    IPC分类号: G01N33/48 B01J19/08

    摘要: An object to be achieved by the present invention is to provide a method for determining the amount of a component contained in a specific lipoprotein fraction in a biological sample using an automatic analyzer, without the requirement of a step of fractionating a sample by centrifugation. The present invention provides a method for separating a target component in a biological sample, which comprises the steps of: (1) causing a biological sample to come into contact with independently dispersed magnetic nanoparticles having a particle size of 50 nm or less, which have anionic functional groups on their surfaces, so as to form an agglutinate of the magnetic nanoparticles and biomolecules capable of interacting with the magnetic nanoparticles; and (2) collecting the agglutinate by an external magnetic field.

    摘要翻译: 本发明要实现的目的是提供一种使用自动分析仪测定生物样品中特定脂蛋白部分中所含成分的量的方法,而不需要通过离心分离样品的步骤。 本发明提供一种用于分离生物样品中的目标成分的方法,其包括以下步骤:(1)使生物样品与粒径为50nm以下的独立分散的磁性纳米粒子接触, 在其表面上具有阴离子官能团,以便形成能够与磁性纳米颗粒相互作用的磁性纳米颗粒和生物分子的凝集物; 和(2)通过外部磁场收集凝集物。

    ISOLATING A TARGET ANALYTE FROM A BODY FLUID
    4.
    发明申请
    ISOLATING A TARGET ANALYTE FROM A BODY FLUID 审中-公开
    从体液中分离目标分析物

    公开(公告)号:US20130109590A1

    公开(公告)日:2013-05-02

    申请号:US13720771

    申请日:2012-12-19

    IPC分类号: G01N33/569

    摘要: The invention generally relates to using magnetic particles and magnets to isolate a target analyte from a sample. In certain embodiments, methods of the invention involve introducing to a sample at least one set of magnetic particles having at least one type of lectin in order to create a mixture, incubating the mixture such that the lectin binds to a carbohydrate on a surface of a target in the sample to thereby form target/particle complexes, in which the incubating is performed in the presence of a buffer that influences binding, and applying a magnetic field to separate target/particle complexes from remaining components of the sample, thereby isolating target/magnetic particle complexes.

    摘要翻译: 本发明一般涉及使用磁性颗粒和磁体从样品中分离出目标分析物。 在某些实施方案中,本发明的方法包括向样品中引入至少一组具有至少一种类型的凝集素的磁性颗粒,以产生混合物,将混合物孵育,使得凝集素结合到表面上的碳水化合物 以形成目标/颗粒复合物,其中在存在影响结合的缓冲液的情况下进行孵育,并施加磁场以将样品的剩余组分与目标/颗粒复合物分离,由此分离靶/ 磁性颗粒复合物。

    Dry polymer bead preparation
    5.
    发明授权
    Dry polymer bead preparation 失效
    干聚合物珠制备

    公开(公告)号:US5939470A

    公开(公告)日:1999-08-17

    申请号:US870383

    申请日:1997-06-06

    申请人: Herbert Harttig

    发明人: Herbert Harttig

    摘要: The invention addresses a method of preparing a dry polymer bead preparation. To achieve this, the polymer beads are coated with a layer of an easily soluble substance which dissolves again in a liquid when the polymer beads are resuspended. The resuspension is thus largely free of agglomerates.

    摘要翻译: 本发明涉及一种制备干燥聚合物珠制剂的方法。 为了实现这一点,聚合物珠粒涂覆有一层容易溶解的物质,当聚合物珠粒重新悬浮时,它们再次溶解在液体中。 因此,重悬浮物基本上没有附聚物。

    MAGNETIC NANOPARTICLES USEFUL FOR MAGNETIC SENSOR DETECTION ESPECIALLY IN BIOSENSOR APPLICATIONS
    7.
    发明申请
    MAGNETIC NANOPARTICLES USEFUL FOR MAGNETIC SENSOR DETECTION ESPECIALLY IN BIOSENSOR APPLICATIONS 审中-公开
    磁传感器特别适用于生物传感器应用中的磁性纳米粒子

    公开(公告)号:US20160158155A1

    公开(公告)日:2016-06-09

    申请号:US14227277

    申请日:2014-03-27

    IPC分类号: A61K9/16 G01N33/58 A61K49/18

    摘要: Disclosed is process for preparing magnetic nanoparticles (MNPs) that results in very sensitive MNPs that can be used in a variety of diagnostic and analytical methods. The MNPs exhibit superparamagnetism and find special use in giant magnetoresistance sensors (GMRS). The MNPs are created by a process that permits one to tune the size of nanoparticles to a range of from 10 to 20 nanometers with a very small particle size distribution of +/−2 nanometers or less. The MNPs can be tagged with a variety of markers and thus find use in many analytical assays, cell sorting techniques, imaging methods, drug delivery methods and cancer treatments. The inventive MNPs can be detected in magnetic file strengths of 2000 Oe or less.

    摘要翻译: 公开了制备磁性纳米颗粒(MNPs)的方法,其导致非常敏感的MNP,其可用于各种诊断和分析方法。 MNPs表现出超顺磁性,并在巨磁电阻传感​​器(GMRS)中发现特殊用途。 通过允许将纳米颗粒的尺寸调整到10至20纳米范围的方法来产生MNP,其具有+/- 2纳米或更小的非常小的粒度分布。 MNP可以用多种标记进行标记,因此可用于许多分析测定,细胞分选技术,成像方法,药物递送方法和癌症治疗。 可以在2000Oe以下的磁文件强度中检测本发明的MNP。