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We give a general overview on the application of electrochemical analysis to biosensing using nanoparticles (NPs). We describe several examples of applications of voltammetric, potentiometric, conductometric, impedimetric and scanning electrochemical microscope-based methods in NP characterization, detection and quantification. We discuss these examples in terms of sensitivity and selectivity, and...
The goal of this work was to introduce a modified electrochemical sandwich model for target protein detection, exploiting antibody as the capturing probe, aptamer as the detection probe and methylene blue as the electrochemical active marker intercalating in the probing aptamer without previous labeling. With appropriate design of the sequence of the aptamer, the aptamer was successfully utilized...
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