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    • 1. 发明授权
    • Methods for the electrochemical detection of multiple target compounds
    • 多种靶化合物的电化学检测方法
    • US07202028B2
    • 2007-04-10
    • US10237842
    • 2002-09-09
    • H. Holden ThorpIvana V. YangDavid H. StewartJohn W. GroelkeVeronika A. Szalai
    • H. Holden ThorpIvana V. YangDavid H. StewartJohn W. GroelkeVeronika A. Szalai
    • C12Q1/68C12P19/34
    • C12Q1/005C12Q1/004C12Q1/6825C12Q2565/101C12Q2563/113
    • A method of detecting two different target molecules through a single electrode is carried out by (a) providing a conductive oxidation-reduction reaction detection electrode; (b) contacting a sample suspected of containing a first and second target molecule to the electrode under conditions in which the first and second target molecules are deposited on the electrode, wherein the first target molecule comprises a first label and the second target molecule comprises a second label; (c) contacting to the electrode a first transition metal complex that oxidizes the first preselected label in a first oxidation-reduction reaction and a second transition metal complex that oxidizes the first and second labels in a second oxidation-reduction reaction, with the first and second oxidation-reduction reactions producing different detectable signals; (d) detecting the presence of the first target molecule by detecting the first oxidation-reduction reaction; and (e) detecting the presence of the second target molecule by detecting the second oxidation-reduction reaction. Devices for carrying out the method are also described.
    • 通过(a)提供导电氧化还原反应检测电极来进行通过单个电极检测两种不同靶分子的方法; (b)将第一和第二靶分子沉积在电极上的条件下将疑似含有第一和第二靶分子的样品与电极接触,其中第一靶分子包含第一标记,第二靶分子包含 第二个标签 (c)在第一氧化还原反应中使第一预选标记物氧化的第一过渡金属络合物和在第二氧化还原反应中氧化第一和第二标记的第二过渡金属络合物与第一过渡金属络合物接触,第一和第 产生不同可检测信号的第二氧化还原反应; (d)通过检测第一氧化还原反应来检测第一靶分子的存在; 和(e)通过检测第二氧化还原反应来检测第二靶分子的存在。 还描述了用于执行该方法的装置。
    • 5. 发明授权
    • Detection of binding reactions using labels detected by mediated catalytic electrochemistry
    • 使用通过介导的催化电化学检测的标记检测结合反应
    • US06346387B1
    • 2002-02-12
    • US09722065
    • 2000-11-24
    • David H. StewartJohn W. GroelkeH. Holden ThorpAllen E. Eckhardt
    • David H. StewartJohn W. GroelkeH. Holden ThorpAllen E. Eckhardt
    • C12Q168
    • B82Y30/00B82Y5/00C12Q1/6825G01N33/5438C12Q2565/607C12Q2563/137C12Q2563/113
    • A method of detecting binding interactions and target molecules, such as proteins, protein fragments, recombinant proteins, recombinant protein fragments, extracellular matrix proteins, ligands, carbohydrates, steroids, hormones, drugs, drug candidates, immunoglobulins and receptors of eukaryotic, prokaryotic or viral origin, by mediated electrochemistry using labels that react with transition metal mediator complexes in a detectable catalytic redox reaction. These labels are attached directly to binders, target molecules, surrogate target molecules, or to affinity ligands capable of binding to the target or to surrogate target molecules capable of competing with the target for binding to another binder. The labels can be naturally present (endogenous) in the binder, target or affinity ligand, or constructed by the covalent attachment of the label to the binder, target, affinity ligand or surrogate target (exogenous).
    • 检测结合相互作用和靶分子的方法,例如蛋白质,蛋白质片段,重组蛋白,重组蛋白片段,细胞外基质蛋白,配体,碳水化合物,类固醇,激素,药物,候选药物,免疫球蛋白和真核,原核或病毒的受体 通过介导的电化学使用在可检测的催化氧化还原反应中与过渡金属介体络合物反应的标记。 这些标记物直接连接到粘合剂,靶分子,替代靶分子,或与能够结合靶的亲和配体或替代能与靶标竞争结合另一种粘合剂的靶分子。 标签可以在粘合剂,靶或亲和配体中天然存在(内源的),或者通过标记共价连接到粘合剂,靶,亲和配体或替代靶(外源的)上构建。