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This work investigates the behaviour of a tetrapolar impedance sensor due to sensitivity issues caused by inherent method measurement when inter-electrode spacing is changed. Finite Element Method (FEM) modelling of the sensitivity spectra was computed to analyse maximum sensitivity levels in desired zones of the sample and non-common known and unintuitive phenomenon as negative sensitivity lobes...
This work presents an electrical analysis of tetrapolar measurements oriented to establish major sensitivity zones in a sensor array for maximizing impedance detection. The study of the sensor was focused on maximizing impedimetric biomass detection to make a stratified analysis of the sample in Electrical Impedance Spectroscopy (EIS). Finite Element Method (FEM) modelling was used to examine the...
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