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

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 inhomo...

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Published in:Medical & Biological Engineering & Computing Vol. 52; no. 5; pp. 439 - 448
Main Authors: Irastorza, Ramiro M, Blangino, Eugenia, Carlevaro, Carlos M, Vericat, Fernando
Format: research Journal Article
Published: Springer Nature May2014
Online Access:View this record in EBSCOhost
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        atl: Modeling of the dielectric properties of trabecular bone samples at microwave frequency.
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          Irastorza, Ramiro M
          Blangino, Eugenia
          Carlevaro, Carlos M
          Vericat, Fernando
        affil: Instituto de Física de Líquidos y Sistemas Biológicos (CONICET), Calle 59 No 789, B1900BTE, La Plata, Argentina, rirastorza@iflysib.unlp.edu.ar.
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          Femur Head Physiology
          Microwaves
          Tomography Methods
          Aged
          Aged, 80 and Over
          Computer Simulation
          Electrophysiology
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          Aged: 65+ years
          Aged, 80 & over
          Female
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      ab: 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.
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      ougenre: Article
    language: English
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