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Proceedings Paper

Hydrodynamics of bacterial suspensions
Author(s): Jochen Arlt; William J. Duncan; Wilson C. K. Poon
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Paper Abstract

Suspensions of motile E. coli bacteria serve as a model system to experimentally study the hydrodynamics of active particle suspensions. Colloidal probe particles are localised within a suspension of motile bacteria by use of optical tweezers and their uctuations are monitored. The activity of the bacteria effects the fluctuations of the probe particles and their correlation, revealing information about the hydrodynamics of the suspension. We highlight experimental problems that make the interpretation of 'single probe' experiments (as reported before in literature) diffcult and present some preliminary results for 'dual probe' cross-correlation experiments.

Paper Details

Date Published: 26 August 2005
PDF: 9 pages
Proc. SPIE 5930, Optical Trapping and Optical Micromanipulation II, 59300J (26 August 2005); doi: 10.1117/12.616377
Show Author Affiliations
Jochen Arlt, Univ. of Edinburgh (United Kingdom)
William J. Duncan, Univ. of Edinburgh (United Kingdom)
Wilson C. K. Poon, Univ. of Edinburgh (United Kingdom)


Published in SPIE Proceedings Vol. 5930:
Optical Trapping and Optical Micromanipulation II
Kishan Dholakia; Gabriel C. Spalding, Editor(s)

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