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Biomedical Optics Express

Biomedical Optics Express

  • Editor: Joseph A. Izatt
  • Vol. 1, Iss. 1 — Aug. 2, 2010
  • pp: 260–267

Actin-driven cell dynamics probed by Fourier transform light scattering

Huafeng Ding, Larry J. Millet, Martha U. Gillette, and Gabriel Popescu  »View Author Affiliations


Biomedical Optics Express, Vol. 1, Issue 1, pp. 260-267 (2010)
http://dx.doi.org/10.1364/BOE.1.000260


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Abstract

We applied the newly developed Fourier transform light scattering (FTLS) to study dynamic light scattering in single live cells, at a temporal scale of seconds to hours. The nanoscale cell fluctuations were measured with and without the active actin contribution. We found experimentally that the spatio-temporal signals rendered by FTLS reveal interesting cytoskeleton dynamics in glial cells (the predominant cell type in the nervous system). The active contribution of actin cytoskeleton was obtained by modulating its dynamic properties via Cytochalasin-D, a drug that inhibits actin polymerization/depolymerization.

© 2010 OSA

OCIS Codes
(120.5820) Instrumentation, measurement, and metrology : Scattering measurements
(170.0170) Medical optics and biotechnology : Medical optics and biotechnology
(180.0180) Microscopy : Microscopy

ToC Category:
Cell Studies

History
Original Manuscript: June 1, 2010
Revised Manuscript: July 2, 2010
Manuscript Accepted: July 12, 2010
Published: July 22, 2010

Citation
Huafeng Ding, Larry J. Millet, Martha U. Gillette, and Gabriel Popescu, "Actin-driven cell dynamics probed by Fourier transform light scattering," Biomed. Opt. Express 1, 260-267 (2010)
http://www.opticsinfobase.org/boe/abstract.cfm?URI=boe-1-1-260


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