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    • 8. 发明授权
    • Homogeneous protection assay
    • 均质保护试验
    • US5639604A
    • 1997-06-17
    • US161706
    • 1993-12-03
    • Lyle J. Arnold, Jr.Norman C. Nelson
    • Lyle J. Arnold, Jr.Norman C. Nelson
    • C12Q1/68G01N33/53G01N33/532G01N33/533G01N33/542G01N33/58C07H21/04C12Q1/00
    • G01N33/58C12Q1/6816C12Q1/6823G01N33/5306G01N33/532G01N33/533G01N33/542
    • Improved homogenous diagnostic assay methods and labels for detecting an analyte in a medium when the analyte is a member of a specific binding pair. The methods and labels provide procedures for reducing background and increasing sensitivity. The binding partner of the analyte is labeled with a substance, the stability of which detectably changes whenever said analyte is bound as a member of the specific binding pair. In a closely related system, the analyte is labeled with a substance susceptible to differential degradation depending on whether or not the analyte is bound as a member of its specific binding pair. After incubation and selective degradation or chemical or biochemical alteration, the amount of analyte bound is detected by measuring either the stability change or the extent of degradation of the label. In a particular system, chemiluminescent acridinium ester labeled probes are used in a homogenous hybridization assay format for sensitively detecting the presence of complement any target polynucleotide sequences.
    • 当分析物是特异性结合对的成员时,改进的同源诊断测定方法和用于检测培养基中分析物的标记。 方法和标签提供了降低背景和提高灵敏度的程序。 分析物的结合配偶体用物质标记,当所述分析物作为特异性结合对的成员结合时,其稳定性可检测地改变。 在紧密相关的系统中,根据分析物是否作为其特异性结合对的成员结合,分析物被易受差异降解敏感的物质标记。 孵育和选择性降解或化学或生物化学改变后,通过测量标签的稳定性变化或降解程度来检测分析物的结合量。 在特定系统中,化学发光的吖啶酯标记的探针以均质杂交测定形式使用,以敏感地检测补体存在任何靶多核苷酸序列。
    • 9. 发明授权
    • Acridinium ester labelling and purification of nucleotide probes
    • 吖啶酯标记和纯化核苷酸探针
    • US5185439A
    • 1993-02-09
    • US332939
    • 1988-12-12
    • Lyle J. Arnold, Jr.Norman C. Nelson
    • Lyle J. Arnold, Jr.Norman C. Nelson
    • C07H21/00
    • C07H21/00
    • Methods for the construction, labelling and subsequent purification of nucleic acid probes containing primary amines with acridinium esters 4-(2-succinimidyloxycarbonyl-ethyl)phenyl-10-methylacridinium-9-carboxylate fluorosulfonate). The method for attaching acridinium esters to probes uses high (0.1 to 50 mM) acridinium ester concentrations achieved using organic solvent in concentrations of 20% to 80% by volume, and may be carried out either in solution, or with one or the other of the acridinium ester or the probe suspended in solution. Purification (the separation of labelled probe from unlabelled probe and free label) involves (1) first removing most of the free acridinium ester label from probe using rapid separation techniques, then (2) removing substantially all remaining free label from the probe and separating labelled probe from unlabelled probe, involves specific applications of ion exchange, reverse phase or hydroxyapatite HPLC.
    • 含有伯胺与吖啶酯4-(2-琥珀酰亚氨基氧羰基 - 乙基)苯基-10-甲基吖啶-9-甲酸氟代磺酸酯的核酸探针的构建,标记和随后纯化的方法。 将吖啶酯连接到探针的方法使用浓度为20%至80%(体积)的有机溶剂获得的高(0.1至50mM)吖啶酯浓度,并且可以在溶液中或与其中的一种或一种 吖啶酯或探针悬浮在溶液中。 纯化(标记的探针与未标记的探针和游离标记物的分离)包括:(1)首先使用快速分离技术从探针中除去大部分游离的吖啶酯标记物,然后(2)从探针中基本上除去所有剩余的游离标记并分离标记 来自未标记探针的探针涉及离子交换,反相或羟基磷灰石HPLC的具体应用。
    • 10. 发明授权
    • Hybridization protection assay
    • 杂交保护试验
    • US6004745A
    • 1999-12-21
    • US465435
    • 1995-06-05
    • Lyle J. Arnold, Jr.Norman C. Nelson
    • Lyle J. Arnold, Jr.Norman C. Nelson
    • C12Q1/68G01N33/53G01N33/532G01N33/533G01N33/542G01N33/58
    • G01N33/58C12Q1/6816C12Q1/6823G01N33/5306G01N33/532G01N33/533G01N33/542
    • Improved homogenous diagnostic assay methods and labels for detecting an analyte in a medium when the analyte is a member of a specific binding pair. The methods and labels provide procedures for reducing background and increasing sensitivity. The binding partner of the analyte is labeled with a substance, the stability of which detectably changes whenever said analyte is bound as a member of the specific binding pair, In a closely related system, the analyte is labeled with a substance susceptible to differential degradation depending on whether or not the analyte is bound as a member of its specific binding pair. After incubation and selective degradation or chemical or biochemical alteration, the amount of analyte bound is detected by measuring either the stability change or the extent of degradation of the label. In a particular system, chemiluminescent acridinium ester labeled probes are used in a homogenous hybridization assay format for sensitively detecting the presence of complement any target polynucleotide sequences.
    • 当分析物是特异性结合对的成员时,改进的同源诊断测定方法和用于检测培养基中分析物的标记。 方法和标签提供了降低背景和提高灵敏度的程序。 分析物的结合配偶体用物质标记,每当所述分析物作为特异性结合对的成员结合时,其稳定性可检测地改变。在紧密相关的系统中,分析物用易受差异降解的物质标记 关于分析物是否作为其特异性结合对的成员结合。 孵育和选择性降解或化学或生物化学改变后,通过测量标签的稳定性变化或降解程度来检测分析物的结合量。 在特定系统中,化学发光的吖啶酯标记的探针以均质杂交测定形式使用,以敏感地检测补体存在任何靶多核苷酸序列。