Literature DB >> 32341883

Measuring cell displacements in opaque tissues: dynamic light scattering in the multiple scattering regime.

Benjamin Brunel1, Vincent Levy1, Arnaud Millet2,3, Monika Elzbieta Dolega1, Antoine Delon1, Romain Pierrat4, Giovanni Cappello1.   

Abstract

Coherent light scattered by tissues brings structural and dynamic information, at depth, that standard imaging techniques cannot reach. Dynamics of cells or sub-cellular elements can be measured thanks to dynamic light scattering in thin samples (single scattering regime) or thanks to diffusive wave spectroscopy in thick samples (diffusion regime). Here, we address the intermediate regime and provide an analytical relationship between scattered light fluctuations and the distribution of cell displacements as a function of time. We illustrate our method by characterizing cell motility inside half millimeter thick multicellular aggregates.
© 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement.

Year:  2020        PMID： 32341883      PMCID： PMC7173902          DOI： 10.1364/BOE.388360

Source DB:  PubMed          Journal:  Biomed Opt Express        ISSN： 2156-7085            Impact factor:   3.732


  48 in total

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9.  Mechanical compression drives cancer cells toward invasive phenotype.

Authors:  Janet M Tse; Gang Cheng; James A Tyrrell; Sarah A Wilcox-Adelman; Yves Boucher; Rakesh K Jain; Lance L Munn
Journal:  Proc Natl Acad Sci U S A       Date:  2011-12-27       Impact factor: 11.205

10.  Goniometric measurements of thick tissue using Monte Carlo simulations to obtain the single scattering anisotropy coefficient.

Authors:  Gunnsteinn Hall; Steven L Jacques; Kevin W Eliceiri; Paul J Campagnola
Journal:  Biomed Opt Express       Date:  2012-10-02       Impact factor: 3.732
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  1 in total

1.  Extracellular matrix in multicellular aggregates acts as a pressure sensor controlling cell proliferation and motility.

Authors:  Monika E Dolega; Sylvain Monnier; Benjamin Brunel; Jean-François Joanny; Pierre Recho; Giovanni Cappello
Journal:  Elife       Date:  2021-03-11       Impact factor: 8.140
  1 in total

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