Orientation of red blood cells and rouleaux disaggregation in interference laser fields

The effect of interference laser fields on red blood cells (RBCs) was investigated both theoretically and experimentally. The optical trapping and orientation of individual RBC in interference fringes were observed. It was found that RBC rouleaux undergo disaggregation under the action of interferen...

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Bibliographic Details
Published in:Journal of biological physics 2005-01, Vol.31 (1), p.73-85
Main Authors: Kruchenok, J V, Bushuk, S B, Kurilo, G I, Nemkovich, N A, Rubinov, A N
Format: Article
Language:English
Subjects:
Biophysics
Erythrocytes
Lasers
Optics
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Summary:The effect of interference laser fields on red blood cells (RBCs) was investigated both theoretically and experimentally. The optical trapping and orientation of individual RBC in interference fringes were observed. It was found that RBC rouleaux undergo disaggregation under the action of interference laser fields. To describe the effect of RBC orientation in interference fringes, we used the equation for torque exerted on a discoid dielectric particle in a gradient light field. The experimental results are in agreement with the predictions of the developed theoretical model.
ISSN:0092-0606
1573-0689
DOI:10.1007/s10867-005-6732-6