Acoustic measurement of compressibility and thermal expansion coefficient of erythrocytes

Mechanical properties of human erythrocytes, namely adiabatic compressibility and thermal expansion coefficient, have been determined using a classical ultrasound velocity and attenuation burst transmission technique. The theoretical model concerns the corpuscular part of the elastic wave propagatin...

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Bibliographic Details
Published in:Physics in medicine & biology 1999-05, Vol.44 (5), p.1277-1287
Main Authors: Toubal, Malika, Asmani, Mohamed, Radziszewski, Edouard, Nongaillard, Bertrand
Format: Article
Language:English
Subjects:
Acoustics
Biological and medical sciences
Biomechanics. Biorheology
Biophysical Phenomena
Biophysics
Erythrocyte Deformability - physiology
Erythrocytes - diagnostic imaging
Erythrocytes - physiology
Fundamental and applied biological sciences. Psychology
Hematology
Humans
In Vitro Techniques
Investigative techniques, diagnostic techniques (general aspects)
Medical sciences
Models, Biological
Pathology. Cytology. Biochemistry. Spectrometry. Miscellaneous investigative techniques
Sodium Chloride
Solutions
Temperature
Tissues, organs and organisms biophysics
Ultrasonography
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Summary:Mechanical properties of human erythrocytes, namely adiabatic compressibility and thermal expansion coefficient, have been determined using a classical ultrasound velocity and attenuation burst transmission technique. The theoretical model concerns the corpuscular part of the elastic wave propagating in a suspension of viscous particles of small size compared with the wavelength. The thermal wave contribution was taken into account. Normal and stiffened red blood cells were suspended in saline of different NaCl concentration.
ISSN:0031-9155
1361-6560
DOI:10.1088/0031-9155/44/5/313