Commonality of Elastic Relaxation Times in Biofilms | Zendy

T. L. Shaw | Zendy; M. Winston | Zendy; Cory J. Rupp | Zendy; Isaac Klapper | Zendy; Paul Stoodley | Zendy

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Commonality of Elastic Relaxation Times in Biofilms

Author(s) -

T. L. Shaw,

M. Winston,

Cory J. Rupp,

Isaac Klapper,

Paul Stoodley

Publication year - 2004

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.93.098102

Subject(s) - biofilm , stress relaxation , relaxation (psychology) , stress (linguistics) , materials science , composite material , biology , bacteria , creep , linguistics , genetics , philosophy , neuroscience

Biofilms, sticky conglomerations of microorganisms and extracellular polymers, are among the Earth's most common life forms. One component for their survival is an ability to withstand external mechanical stress. Measurements indicate that biofilm elastic relaxation times are approximately the same (about 18 min) over a wide sample of biofilms though other material properties vary significantly. A possible survival significance of this time scale is that it is the shortest period over which a biofilm can mount a phenotypic response to transient mechanical stress.

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