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Proceedings Paper

Optical and hydrodynamic models of blood flow in the smallest microvessel
Author(s): Yulia Ganilova; Sergey S. Ulyanov
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Paper Abstract

The peculiarities of movement of red blood cells and blood plasma in very narrow capillaries are analyzed in this paper. The characteristics of blood cell motion in the isolated microvessel are considered on the base of theoretical works of Lighthill and Fitz-Gerald. Capillaries with diameter a rather larger than erythrocyte size are investigated in details. Optical model of blood microflow in the smallest capillaries is developed. Process of diffraction of strongly focused laser beam from such vessel is considered. The shapes of Doppler spectra of scattering intensity fluctuations are studied. Relations between the spectral characteristics of dynamic speckles scattered from RBC, moving in blood plasma, and the hydrodynamic characteristics of microflow are found.

Paper Details

Date Published: 13 October 2003
PDF: 11 pages
Proc. SPIE 5068, Saratov Fall Meeting 2002: Optical Technologies in Biophysics and Medicine IV, (13 October 2003); doi: 10.1117/12.518847
Show Author Affiliations
Yulia Ganilova, Saratov State Univ. (Russia)
Sergey S. Ulyanov, Saratov State Univ. (Russia)


Published in SPIE Proceedings Vol. 5068:
Saratov Fall Meeting 2002: Optical Technologies in Biophysics and Medicine IV

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