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Bioelectrical Impedance and The Frequency Dependent Current Conduction Through Biological Tissues: A Short Review

Bera, Tushar Kanti (2018) Bioelectrical Impedance and The Frequency Dependent Current Conduction Through Biological Tissues: A Short Review. In: 3rd International Conference on Communication Systems (ICCS), OCT 14-16, 2017, Pilani, INDIA.

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Official URL: http://dx.doi.org/10.1088/1757-899X/331/1/012005

Abstract

Biological tissues are developed with biological cells which exhibit complex electrical impedance called electrical bioimpedance. Under an alternating electrical excitation the bioimpedance varies with the tissue anatomy, composition and the signal frequency. The current penetration and conduction paths vary with frequency of the applied signal. Bioimpedance spectroscopy is used to study the frequency response of the electrical impedance of biological materials noninvasively. In bioimpedance spectroscopy, a low amplitude electrical signal is injected to the tissue sample or body parts to characterization the sample in terms of its bioimpedance. The electrical current conduction phenomena, which is highly influenced by the tissue impedance and the signal frequency, is an important phenomena which should be studied to understand the bioimpedance techniques like bioelectrical impedance analysis (BIA), EIS, or else. In this paper the origin of bioelectrical impedance and current conduction phenomena has been reviewed to present a brief summary of bioelectrical impedance and the frequency dependent current conduction through biological tissues. Simulation studies are conducted with alternation current injection through a two dimensional model of biological tissues containing finite number of biological cells suspended in extracellular fluid. The paper demonstrates the simulation of alternating current conduction through biological tissues conducted by COMSOL Multiphysics. Simulation studies also show the frequency response of the tissue impedance for different tissue compositions.

Item Type: Conference Proceedings
Additional Information: Copy right for this article belong toIOP PUBLISHING LTD, DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
Department/Centre: Division of Physical & Mathematical Sciences > Instrumentation Appiled Physics
Depositing User: Id for Latest eprints
Date Deposited: 06 Jun 2018 14:51
Last Modified: 06 Jun 2018 14:51
URI: http://eprints.iisc.ac.in/id/eprint/59972

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