Modeling of the dielectric properties of trabecular bone samples at microwave frequency

被引：21

作者：

Irastorza, Ramiro M. ^{[1
]}

Blangino, Eugenia ^{[2
]}

Carlevaro, Carlos M. ^{[1
,3
]}

Vericat, Fernando ^{[1
,4
]}

机构：

[1] Consejo Nacl Invest Cient & Tecn, Inst Fis Liquidos & Sistemas Biol, La Plata, Buenos Aires, Argentina

[2] UBA, Fac Ingn, Dept Ingn Mecan, Gabinete Biomecan, Buenos Aires, DF, Argentina

[3] Univ Tecnol Nacl, FRBA, UDB Fis, Buenos Aires, DF, Argentina

[4] UNLP, Fac Ingn, Grp Aplicac Matemat & Estadist, La Plata, Buenos Aires, Argentina

来源：

MEDICAL & BIOLOGICAL ENGINEERING & COMPUTING | 2014年 / 52卷 / 05期

关键词：

Bone dielectric properties; Microwave tomography; Finite difference time domain; BIOLOGICAL TISSUES; MICROSTRUCTURE; DENSITY; VOLUME;

D O I：

10.1007/s11517-014-1145-y

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

In this paper, the dielectric properties of human trabecular bone are evaluated under physiological condition in the microwave range. Assuming a two components medium, simulation and experimental data are presented and discussed. A special experimental setup is developed in order to deal with inhomogeneous samples. Simulation data are obtained using finite difference time domain from a realistic sample. The bone mineral density of the samples are also measured. The simulation and experimental results of the present study suggest that there is a negative relation between bone volume fraction (BV/TV) and permittivity/conductivity: the higher the BV/TV, the lower the permittivity/conductivity. This is in agreement with the recently published in vivo data.

引用

页码：439 / 447

页数：9

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