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ELECTROCHEMICAL METHOD OF ASSAYING LIGANDS IN SAMPLES AND KITS CONTAINING THE ELECTROCHEMICAL APPARATUS AND REAGENTS
ELECTROCHEMICAL METHOD OF ASSAYING LIGANDS IN SAMPLES AND KITS CONTAINING THE ELECTROCHEMICAL APPARATUS AND REAGENTS
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机译:电化学样品和试剂盒中含有电化学装置和试剂的化学分析方法
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摘要
In its broadest aspect, the present invention provides a method of assaying a ligand in a sample using electrochemical apparatus containing an electrode and components comprising:(a) the sample,(b) a specific binding partner to the ligand,(c) if desired, at least one further reagent selected fromligand analogues (as herein defined) and specific binding partners, and;(d) an electron-source or electron-acceptor; at least one of components (b) and, if present, (c) being labelled with an electron-transfer mediator capable of aiding the transfer of electrons from the electron-source to the electrode, or from the electrode to the electronacceptor, which method includes the step of determining whether, and, if desired, the extend to which, the said transfer of electrons is perturbed by complex formation and or by controlled external influences;The electrochemical apparatus will typically comprise two or three electrodes, including one working electrode onto which one or more of the components may advantageously be immobilised.;An artificial generation or enhancement of perturbation of electron transfer is preferably performed by displacement of the complex formed relative to the unbound labelled component.
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