Temporal variation of dielectric properties of preserved blood

Physics in Medicine and Biology
Yoshihito HayashiKoji Asami

Abstract

Rabbit blood was preserved at 277 K in Alsever's solution for 37 days, and its dielectric permittivity was monitored in a frequency range from 0.05 to 110 MHz throughout the period. The relaxation time and Cole-Cole parameter of the interfacial polarization process for erythrocytes remained nearly constant during the first 20 days and then started to increase and decrease, respectively. On the other hand, the relaxation strength and the cell volume fraction continued to decrease for 37 days, but the decrease rates of both changed discontinuously on about the 20th day. Microscope observation showed that approximately 90% of the erythrocytes were spinous echinocytes at the beginning of preservation and started to be transformed into microspherocytes around the 20th day. Therefore, dielectric spectroscopy is a sensitive tool to monitor the deterioration of preserved blood accompanied by morphological transition of erythrocytes through the temporal variation of their dielectric properties.

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Citations

May 4, 2017·Physiological Measurement·Marcelo DavidGregory Barshtein
Apr 29, 2008·Physics in Medicine and Biology·Yoshihito HayashiKoji Asami
Apr 2, 2009·Physics in Medicine and Biology·Yoshihito HayashiKoji Asami
Jan 31, 2021·Scientific Reports·Ahmet C SabuncuNadine Aubry
Jul 3, 2009·The Journal of Physical Chemistry. B·Anatoliy V Goncharenko, Yia-Chung Chang
Jul 21, 2020·Biochimica Et Biophysica Acta. Biomembranes·Marcelo DavidYuri Feldman

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