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    • 2. 发明申请
    • METHOD AND REAGENT FOR THE SPECIFIC IDENTIFICATION AND QUANTIFICATION OF ONE OR MORE PROTEINS IN A SAMPLE USING IN PARTICULAR INDUCTIVELY COUPLED PLASMA-MASS SPECTROMETRY
    • 用于特定感应耦合等离子体光谱法中样品中一种或多种蛋白质的特异性鉴定和定量的方法和试剂
    • US20100167262A1
    • 2010-07-01
    • US12297092
    • 2007-04-13
    • Michael LinscheidStefan PieperChristian SchelerRobert Ahrends
    • Michael LinscheidStefan PieperChristian SchelerRobert Ahrends
    • C12Q1/00G01N33/00
    • G01N33/6848
    • The invention relates to a method for the identification and quantification of one or more biomolecules in a sample containing a mixture of substances, wherein said method comprises the steps of, a) providing a sample which contains one or more biomolecules, b) providing a reagent for the analysis of biomolecules according to Formula I (A-Y-PRG) wherein, A may be present or absent and when A is present, A is H or constitutes at least one functional group for the reversible, covalent or non-covalent binding to a support material, whereby Y is a group comprising at least one chelate function for metals, preferable low in isotopes, and whereby PRG is a reactive group for the selective binding of biomolecules to be analyzed, c) coupling the one or more biomolecules from step a) to the reagent of step b), d) selecting the one or more biomolecules labeled in step c) under the employment of a functional group for the reversible, covalent or non-covalent binding to a support material and removal of the one or more unbound biomolecules, wherein (d) optionally comprises releasing the bound biomolecules from the support material and the elution from the matrix; and f) detecting and identifying the one or more labeled biomolecules by means of Inductively Coupled Plasma-Mass Spectrometry (ICP-MS), wherein f) optionally comprises cleaving the one or more biomolecules in said sample wherein, said cleaving may be performed (i) before coupling of the reagent PRG or (ii) after coupling.
    • 本发明涉及用于鉴定和定量含有物质混合物的样品中一种或多种生物分子的方法,其中所述方法包括以下步骤:a)提供含有一种或多种生物分子的样品,b)提供试剂 用于分析根据式I的生物分子(AY-PRG),其中A可以存在或不存在,并且当存在A时,A是H或构成至少一个用于可逆,共价或非共价结合到一个 支撑材料,其中Y是包含金属的至少一种螯合官能团,优选低同位素的组,并且由此PRG是用于选择性结合待分析的生物分子的反应性基团,c)将来自步骤a的一种或多种生物分子 )到步骤b)的试剂中,d)在使用官能团的情况下选择步骤c)中标记的一种或多种生物分子,以进行可逆,共价或非共价结合到载体材料和去除 所述一个或多个未结合的生物分子,其中(d)任选地包括从所述载体材料中释放结合的生物分子并从所述基质中洗脱; 和f)通过电感耦合等离子体质谱法(ICP-MS)检测和识别所述一种或多种标记的生物分子,其中f)任选地包括切割所述样品中的一种或多种生物分子,其中所述切割可以进行(i )或(ii)偶联之后。