Magnetic field influence on electrical properties of human blood measured by impedance spectroscopy | Zendy

Sosa M. | Zendy; BernalAlvarado J. | Zendy; JiménezMoreno M. | Zendy; Hernández J.C. | Zendy; GutiérrezJuárez G. | Zendy; VargasLuna M. | Zendy; Huerta R. | Zendy; VillagómezCastro J.C. | Zendy; Palomares P. | Zendy

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Magnetic field influence on electrical properties of human blood measured by impedance spectroscopy

Author(s) -

Sosa M.,

BernalAlvarado J.,

JiménezMoreno M.,

Hernández J.C.,

GutiérrezJuárez G.,

VargasLuna M.,

Huerta R.,

VillagómezCastro J.C.,

Palomares P.

Publication year - 2005

Publication title -

bioelectromagnetics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.435

H-Index - 81

eISSN - 1521-186X

pISSN - 0197-8462

DOI - 10.1002/bem.20132

Subject(s) - bioelectromagnetics , magnetic field , nuclear magnetic resonance , dielectric spectroscopy , spectroscopy , electrical impedance , analytical chemistry (journal) , materials science , human blood , capacitance , electrical resistance and conductance , chemistry , biomedical engineering , electrical engineering , medicine , physics , composite material , chromatography , engineering , physiology , electrode , quantum mechanics , electrochemistry

The impedance spectroscopy technique (IST) was used for studying the effect of a 0.5 T magnetic field on the electrical properties of whole human blood. A Solartron SI 1260 spectrometer was used to measure the impedance spectra of magnetic field exposed blood samples compared to non‐exposed samples. An equivalent electrical circuit model, consisting in a resistance R s in series with a parallel circuit formed by a constant phase element (CPE) and another resistance R p , is proposed to fit the data in both cases. The experiment used 3 ml human blood samples from 160 healthy donors. A Wilcoxon matched pairs statistical test was applied to the data. The data analysis seems to show a statistically significant increase of the values of resistance R p ( Z = 5.06, P < 0.001) and capacitance C T ( Z = 3.32, P < 0.001) of the blood exposed to magnetic field, by approximately 10.4% and 1.9%, respectively. Bioelectromagnetics 26:564–570, 2005. © 2005 Wiley‐Liss, Inc.

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