Geometric parameters optimization of planar interdigitated electrodes for bioimpedance spectroscopy

This paper is concerned with a physical model of an interdigitated sensor working in a frequency range from 100 Hz to 10 MHz. A theoretical approach is proposed to optimize the use of the sensor for bioimpedance spectroscopy. The correlation between design parameters and frequency behavior in coplan...

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Main Authors: Ibrahim M., Claudel J., Kourtiche D., Nadi M.
Format: Article
Language:English
Published: Sciendo 2013-03-01
Series:Journal of Electrical Bioimpedance
Subjects:
Online Access:https://doi.org/10.5617/jeb.304
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author Ibrahim M.
Claudel J.
Kourtiche D.
Nadi M.
author_facet Ibrahim M.
Claudel J.
Kourtiche D.
Nadi M.
author_sort Ibrahim M.
collection DOAJ
description This paper is concerned with a physical model of an interdigitated sensor working in a frequency range from 100 Hz to 10 MHz. A theoretical approach is proposed to optimize the use of the sensor for bioimpedance spectroscopy. The correlation between design parameters and frequency behavior in coplanar impedance sensors are described. CoventorWare® software was used to model the biological medium loaded interdigital sensor in three dimensions to measure its electrical impedance. Complete system simulation by a finite element method (FEM) was used for sensor sensitivity optimization. The influence of geometrical parameters (number of fingers, width of the electrodes) on the impedance spectroscopy of the biological medium was studied. The simulation results are in agreement with the theoretical equations of optimization. Thus, it is possible to design a priori such sensor by taking into account the biological medium of interest that will load the sensor.
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spelling doaj.art-4e12565d4fae4003b72e2e4234c1ca5e2022-12-22T02:08:32ZengSciendoJournal of Electrical Bioimpedance1891-54692013-03-0141132210.5617/jeb.304Geometric parameters optimization of planar interdigitated electrodes for bioimpedance spectroscopyIbrahim M.0Claudel J.1Kourtiche D.2Nadi M.3Université de Lorraine, Institut Jean Lamour, UMR 7198, Nancy, 54000, FranceUniversité de Lorraine, Institut Jean Lamour, UMR 7198, Nancy, 54000, FranceUniversité de Lorraine, Institut Jean Lamour, UMR 7198, Nancy, 54000, FranceUniversité de Lorraine, Institut Jean Lamour, UMR 7198, Nancy, 54000, FranceThis paper is concerned with a physical model of an interdigitated sensor working in a frequency range from 100 Hz to 10 MHz. A theoretical approach is proposed to optimize the use of the sensor for bioimpedance spectroscopy. The correlation between design parameters and frequency behavior in coplanar impedance sensors are described. CoventorWare® software was used to model the biological medium loaded interdigital sensor in three dimensions to measure its electrical impedance. Complete system simulation by a finite element method (FEM) was used for sensor sensitivity optimization. The influence of geometrical parameters (number of fingers, width of the electrodes) on the impedance spectroscopy of the biological medium was studied. The simulation results are in agreement with the theoretical equations of optimization. Thus, it is possible to design a priori such sensor by taking into account the biological medium of interest that will load the sensor.https://doi.org/10.5617/jeb.304bioimpedanceplanar interdigitated electrodesfem simulationdesign optimization
spellingShingle Ibrahim M.
Claudel J.
Kourtiche D.
Nadi M.
Geometric parameters optimization of planar interdigitated electrodes for bioimpedance spectroscopy
Journal of Electrical Bioimpedance
bioimpedance
planar interdigitated electrodes
fem simulation
design optimization
title Geometric parameters optimization of planar interdigitated electrodes for bioimpedance spectroscopy
title_full Geometric parameters optimization of planar interdigitated electrodes for bioimpedance spectroscopy
title_fullStr Geometric parameters optimization of planar interdigitated electrodes for bioimpedance spectroscopy
title_full_unstemmed Geometric parameters optimization of planar interdigitated electrodes for bioimpedance spectroscopy
title_short Geometric parameters optimization of planar interdigitated electrodes for bioimpedance spectroscopy
title_sort geometric parameters optimization of planar interdigitated electrodes for bioimpedance spectroscopy
topic bioimpedance
planar interdigitated electrodes
fem simulation
design optimization
url https://doi.org/10.5617/jeb.304
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AT claudelj geometricparametersoptimizationofplanarinterdigitatedelectrodesforbioimpedancespectroscopy
AT kourtiched geometricparametersoptimizationofplanarinterdigitatedelectrodesforbioimpedancespectroscopy
AT nadim geometricparametersoptimizationofplanarinterdigitatedelectrodesforbioimpedancespectroscopy