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A novel and convenient biosensor for Mercury (II) detection was developed based on toehold-mediated strand displacement isothermal enzyme-free amplification (EFA) technology and label-free fluorescence platform using Sybr Green Ι (SG) and graphene oxide (GO). The method is highly sensitive and selective, and the logarithmically related Hg2+ linearity range is from 0.1 to 50nM with a detection limit...
An anodic stripping voltammetric method for the determination of cardiac troponin I (cTnI) at a MCM-41 mesoporous material modified carbon paste electrode (MCM-MCPE) was investigated. The test was based on the dual monoclonal antibody “sandwich” principle using colloidal gold as a labeled substrate. Four main steps were carried out to obtain the analytical signal, i.e. electrode preparation, immunoreaction,...
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