Frequency dependences of the impedance of the equivalent electrical shems of substitution of living biological tissues that simulate the normal and pathological state

Authors

  • Viktor Nikitin Department of Biomedical Cybernetics National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”, Kiev, Ukraine https://orcid.org/0000-0003-1640-8986
  • Anrii Dubko Department of Welding and Related Technologies in Medicine and Ecology E.O. Paton Electric Welding Institute; Department of Biomedical Engineering National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”, Kiev, Ukraine https://orcid.org/0000-0001-6070-3945

DOI:

https://doi.org/10.46299/j.isjea.20230202.02

Keywords:

impedance spectroscopy, EVAL-AD5933EBZ evaluation board, equivalent electrical substitution circuit, polarization coefficient, biological tissue, software, 2R1C electrical circuit, impedance measurement, amplitude-frequency response, phase-frequency response

Abstract

Determination of frequency dependecies of the impedance of living biological tissues is an informative way of detection of the state of these tissues and is an indirect method of assessing the viability of organs and tissues. As the measurement of electrophysical properties of biological materials is an important practical task for medicine, in the presented work we investigated the equivalent electrical circuits of biological tissue and different variants of circuits in case of its damage. The method of work is the study of impedance dispersion and polarization coefficient of equivalent electrical circuits of living biological tissues in normal and pathological conditions. To solve the scientific problems posed in the article, the impedance measurement method using the evaluation board Eval AD5933EBZ was used; methods of digital and statistical processing of measurement signals. Impedance measurements using the evaluation board demonstrate good accuracy, stability, and repeatability.

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Нікітін, В., Дубко, А. (2022). Вимірювання імпедансу біологічних тканин та інших середовищ за допомогою оціночної плати EVAL AD5933EBZ. International Science Journal of Engineering & Agriculture, 1(4), 80–91. https://doi.org/10.46299/j.isjea.20220104.04

Published

2023-04-01

How to Cite

Nikitin, V., & Dubko, A. (2023). Frequency dependences of the impedance of the equivalent electrical shems of substitution of living biological tissues that simulate the normal and pathological state. International Science Journal of Engineering & Agriculture, 2(2), 10–20. https://doi.org/10.46299/j.isjea.20230202.02