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    • 2. 发明申请
    • IMMUNOASSAYS EMPLOYING NON-PARTICULATE CHEMILUMINESCENT REAGENT
    • 免费使用非颗粒性发光试剂
    • WO2010104683A1
    • 2010-09-16
    • PCT/US2010/025433
    • 2010-02-25
    • SIEMENS HEALTHCARE DIAGNOSTICS INC.SINGH, PratapZHENG, Yi, FengGENG, LipingJANZEN, RolandSCHELP, Carsten
    • SINGH, PratapZHENG, Yi, FengGENG, LipingJANZEN, RolandSCHELP, Carsten
    • G01N33/50
    • G01N33/78G01N33/582G01N2333/59
    • Methods and reagents are disclosed for conducting assays. Embodiments of the present methods and reagents are concerned with chemiluminescent reagents for determining the presence and/or amount of an analyte in a sample suspected of containing the analyte. The reagent is non-particulate and comprises a binding partner for the analyte and a chemiluminescent composition comprising an olefinic compound and a metal chelate. In embodiments of an assay, a combination is provided that comprises a sample suspected of containing the analyte, a chemiluminescent reagent as described above and a sensitizer reagent capable of generating singlet oxygen. The combination is subjected to conditions for binding of the analyte to the binding partner for the analyte. The sensitizer is activated and the amount of luminescence generated by the chemiluminescent composition is detected wherein the amount of luminescence is related to the amount of the analyte in the sample.
    • 公开了用于进行测定的方法和试剂。 本发明方法和试剂的实施方案涉及用于确定怀疑含有分析物的样品中分析物的存在和/或量的化学发光试剂。 试剂是非颗粒的并且包含用于分析物的结合配偶体和包含烯属化合物和金属螯合物的化学发光组合物。 在测定的实施方案中,提供了包含疑似含有分析物的样品,如上所述的化学发光试剂和能够产生单线态氧的敏化剂的组合。 该组合经受用于将分析物与分析物的结合配偶体结合的条件。 敏化剂被激活,并且检测由化学发光组合物产生的发光量,其中发光量与样品中分析物的量相关。
    • 6. 发明申请
    • BIOTIN-RECEPTOR REAGENTS FOR SENSITIVITY MODULATION IN ASSAYS
    • 用于测定灵敏度调节的生物受体试剂
    • WO2009146166A2
    • 2009-12-03
    • PCT/US2009/040465
    • 2009-04-14
    • SIEMENS HEALTHCARE DIAGNOSTICS INC.LEWISCH, Sandra, A.SINGH, PratapDESAI, ViralKRAKOWSKI, Karen, L.DUFFY, James, E.
    • LEWISCH, Sandra, A.SINGH, PratapDESAI, ViralKRAKOWSKI, Karen, L.DUFFY, James, E.
    • G01N33/536G01N33/566
    • G01N33/532G01N33/54393G01N33/566
    • Methods are disclosed for designing an antibody reagent for use in an assay for the detection of an analyte to obtain an optimum assay sensitivity and/or dynamic range. The antibody reagent is a conjugate of a small molecule attached by a spacer group to an antibody for the analyte. The method comprises controlling, in the preparation of the conjugate, reaction parameters comprising the hydrophobicity or hydrophiHcity of the spacer group, the length of the spacer group, the number of molecules of the small molecule attached to the antibody and the point of attachment of the small molecule to the antibody to obtain an optimum assay sensitivity and/or dynamic range. In some embodiments the method comprises preparing two or more conjugates by selecting a set of parameters for each conjugate wherein the set of parameters is different for each conjugate, conducting an assay for the analyte employing each conjugate and selecting for use in the assay the conjugate that provides the optimum assay sensitivity and/or dynamic range.
    • 公开了设计用于分析物检测以获得最佳测定灵敏度和/或动态范围的测定中的抗体试剂的方法。 抗体试剂是通过间隔基团与分析物的抗体连接的小分子的缀合物。 该方法包括在共轭物的制备中控制包含间隔基团的疏水性或亲水性,间隔基团的长度,与抗体连接的小分子的分子数目和 小分子到抗体以获得最佳测定灵敏度和/或动态范围。 在一些实施方案中,该方法包括通过为每个缀合物选择一组参数来制备两种或更多种缀合物,其中该组参数对于每个缀合物是不同的,使用每个缀合物进行分析物的测定,并选择用于测定缀合物 提供最佳测定灵敏度和/或动态范围。