Comparative Study on the Dielectric Properties Between Living and Non-living from Human and Animal Livers

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Abstract The data of dielectric properties of human tissues mainly comes from animal tissues or human corpse at present. Up to now, there has not been a report of dielectric properties of human living liver. This paper aims to studying the dielectric properties of human living liver and comparing the results with those of animal living liver as well as the human non-living liver. In vitro measurements of living and non-living livers from human and rabbit are shown in the range of 10 Hz to 100 MHz. Analysis of the conductivity, permittivity and characteristic parameters from the data were made. The conductivity of three kinds of liver were markedly different at low frequency: 0.06 S/m (living rabbit liver), 0.13 S/m (living human liver) and 0.24 S/m (non-living human liver); The Cole parameters that best characterize the liver of human and rabbit are R0, fc1,ΔR1 and R∞; The Cole parameters that best characterize the living and non-living liver of human are R0, fc1,ΔR1,ΔR2 and R∞. In conclusion,we can't substitute the dielectric properties of animal or human corpse liver for the living human liver. The results suggest that the study on the dielectric properties of living human tissues has great significance.

Key words： living tissues dielectric properties liver characteristic parameters Cole-Cole models

Received: 12 November 2015

PACS:

R 455.2

Corresponding Authors: WANG Hang. E-mail: w-h-ang@163.com

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	WANG Hang
	HE Yong
	SHI Xue-tao
	YOU Fu-sheng
	WANG Hui
	CAI Zhan-xiu
	ZHU Jian-bo
	DONG Xiu-zhen

Cite this article:

WANG Hang,HE Yong,SHI Xue-tao, et al. Comparative Study on the Dielectric Properties Between Living and Non-living from Human and Animal Livers[J]. Chinese Journal of Biomedical Engineering, 2016, 25(1): 12-17.

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http://manu32.magtech.com.cn/Jwk_zgswyx_en/EN/ OR http://manu32.magtech.com.cn/Jwk_zgswyx_en/EN/Y2016/V25/I1/12

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