Electrochemical impedance spectroscopy aptasensor for ultrasensitive detection of adenosine with dual backfillers.

Abstract

A highly sensitive and label-free electrochemical impedance spectroscopy (EIS) aptasensor for the detection of adenosine was fabricated by co-assembling thiolated aptamer, dithiothreitol (DTT) and 6-mercaptohexanol (MCH) on gold electrode surface, forming Au/aptamer-DTT/MCH. The interfacial electron transfer resistance (Ret) of the aptasensor using [Fe(CN)6… (More)
DOI: 10.1016/j.bios.2014.04.022

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