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Proceedings Paper

Endoplasmic motility spectral characteristics in plasmodium of Physarum polycephalum
Author(s): T. I. Avsievich; K. E. S. Ghaleb; S. V. Frolov; S. G. Proskurin
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Paper Abstract

Spectral Fourier analysis of experimentally acquired velocity time dependencies, V(t), of shuttle endoplasmic motility in an isolated strand of plasmodium of slime mold Physarum Polycephalum has been realized. V(t) registration was performed in normal conditions and after the treatment by respiration inhibitors, which lead to a complete cessation of endoplasmic motion in the strand. Spectral analysis of the velocity time dependences of the endoplasm allows obtaining two distinct harmonic components in the spectra. Their ratio appeared to be constant in all cases, ν2/ν1=1.97±0.17. After the inhibitors are washed out respiratory system becomes normal, gradually restoring the activity of both harmonic oscillatory sources with time. Simulated velocity time dependences correspond to experimental data with good accuracy.

Paper Details

Date Published: 19 March 2015
PDF: 7 pages
Proc. SPIE 9448, Saratov Fall Meeting 2014: Optical Technologies in Biophysics and Medicine XVI; Laser Physics and Photonics XVI; and Computational Biophysics, 94480H (19 March 2015); doi: 10.1117/12.2178309
Show Author Affiliations
T. I. Avsievich, Tambov State Technical Univ. (Russian Federation)
K. E. S. Ghaleb, Tambov State Technical Univ. (Russian Federation)
S. V. Frolov, Tambov State Technical Univ. (Russian Federation)
S. G. Proskurin, Tambov State Technical Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 9448:
Saratov Fall Meeting 2014: Optical Technologies in Biophysics and Medicine XVI; Laser Physics and Photonics XVI; and Computational Biophysics
Elina A. Genina; Vladimir L. Derbov; Kirill V. Larin; Dmitry E. Postnov; Valery V. Tuchin, Editor(s)

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