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In this work, we demonstrate how an innovative, out-of-cleanroom customized CD/DVD fabrication process can be successfully used for mass production of biosensors with thin-film electrodes. We show that silver and gold electrodes can be used for impedimetric and voltammetric biosensing applications, both in presence and absence of a redox mediator. We modeled the redox/non-redox electrodes impedance...
In this work we have analyzed and compared two techniques for label-free biosensors characterization: Surface Plasmon Resonance (SPR) and Electrochemical Impedance Spectroscopy (EIS). We have been able to quantitatively characterize both thickness and surface coverage of deposited Self Assembled Monolayers (SAM) produced with molecules of different lengths and concentrations. To this purpose, we have...
Electrochemical Impedance Spectroscopy (EIS) has been widely used in biological studies like tissue and cells characterization, both in vivo and in vitro. The objective of this study was to investigate cells adhesion over a microelectrodes array by monitoring the electrical impedance. A comprehensive electrical model of the cell-electrode interface has been used to fit experimental data. The electrode...
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