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A simple fabrication method on wet etching and thermal evaporator had been used to fabricate microfluidic three gold (Au) electrodes assembled with polydimethylsiloxane (PDMS) was reported in the present work. In this work, we studied the suitable size of electrode area that can fulfill the Randle-Sevcik equation for reversible redox process. The voltammograms of 0.01 M K3Fe(CN)6 in 0.1M KCl at 1...
A silver electrode modified by Ag2O nanoparticles was prepared and its application to the electrochemical determination of glucose was studied. Ag2O nanoparticles were prepared by reduction of AgNO3 with Na2O2. They can be efficiently immobilized on the surface of a silver electrode. It showed that the Ag2O nanoparticles could clearly enhance the electron transfer process between glucose and electrode...
This paper reports the implementation and calibration of a microscopic three-electrode electrochemical sensor integrated with a polydimethylsiloxane (PDMS) microchannel to form a rapid prototype chip technology that is used to develop sensing modules for biomolecular signals. The microfluidic/microelectronic fabrication process yields identical, highly uniform, and geometrically well-defined microelectrodes...
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