| Literature DB >> 21231772 |
L G Wilson1, V A Martinez, J Schwarz-Linek, J Tailleur, G Bryant, P N Pusey, W C K Poon.
Abstract
We demonstrate a method for the fast, high-throughput characterization of the dynamics of active particles. Specifically, we measure the swimming speed distribution and motile cell fraction in Escherichia coli suspensions. By averaging over ∼10(4) cells, our method is highly accurate compared to conventional tracking, yielding a routine tool for motility characterization. We find that the diffusivity of nonmotile cells is enhanced in proportion to the concentration of motile cells.Entities:
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Year: 2011 PMID: 21231772 DOI: 10.1103/PhysRevLett.106.018101
Source DB: PubMed Journal: Phys Rev Lett ISSN: 0031-9007 Impact factor: 9.161