A study of magnetic anisotropy of blood cells

This paper presents an experimental study of the magnetic anisotropy of blood cells in magnetic field up to 1.8 T and in temperature range of 75 – 295 K by means of torque method. Magnetic field can induce a marked uniaxial anisotropy. The effective anisotropy constant K 1eff does not depend on temp...

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Bibliographic Details
Published inJournal of magnetism and magnetic materials Vol. 196; pp. 573 - 575
Main Authors Bartoszek, M., Drzazga, Z.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 1999
Subjects
Biomagnetism
Blood
Hemoglobin
Magnetic anisotropy
Magnetic field effects
Particles (particulate matter)
Thermal effects
Hemoglobin
Biomagnetism
Magnetic anisotropy
Blood
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Summary:This paper presents an experimental study of the magnetic anisotropy of blood cells in magnetic field up to 1.8 T and in temperature range of 75 – 295 K by means of torque method. Magnetic field can induce a marked uniaxial anisotropy. The effective anisotropy constant K 1eff does not depend on temperature. Magnetic-induced anisotropy of investigated samples cannot be explained by diamagnetic shape anisotropy of individual blood cells. A tendency to aggregate into chains and small groups of hemoglobin particles and conversion into methemoglobin with high spin Fe 3+-ion is considered.
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ISSN:0304-8853
DOI:10.1016/S0304-8853(98)00838-5