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Rheology of biofilms formed from the dental plaque pathogen Streptococcus mutans

Rheology of biofilms formed from the dental plaque pathogen Streptococcus mutans
Rheology of biofilms formed from the dental plaque pathogen Streptococcus mutans
Here we describe an experimental study of the mechanical properties of bacterial biofilms formed from the early dental plaque colonizer Streptococcus mutans. The S. mutans biofilms demonstrated the behavior of rheological fluids, with properties similar to those of organic polymers and other biological fluids. The time-dependent response of the biofilms was modeled on the basis of principles of viscoelasticity theory. The static and dynamic responses were defined in terms of the creep compliance, storage and loss moduli, and viscosity. The creep compliance and stress relaxation functions of S. mutans biofilms were characterized using the Burger model. Implications for developing more effective mechanical removal strategies of dental plaque biofilms are discussed
1479-0505
49-56
Vinogradov, A.M.
f17226ee-10b3-4eee-9a9f-e2111fabafbd
Winston, M.
f30db2cc-3509-4abb-807b-327334256e0b
Rupp, C.J.
a6ee10c1-6959-4c1c-b901-91bc6548a0e8
Stoodley, P.
08614665-92a9-4466-806e-20c6daeb483f
Vinogradov, A.M.
f17226ee-10b3-4eee-9a9f-e2111fabafbd
Winston, M.
f30db2cc-3509-4abb-807b-327334256e0b
Rupp, C.J.
a6ee10c1-6959-4c1c-b901-91bc6548a0e8
Stoodley, P.
08614665-92a9-4466-806e-20c6daeb483f

Vinogradov, A.M., Winston, M., Rupp, C.J. and Stoodley, P. (2004) Rheology of biofilms formed from the dental plaque pathogen Streptococcus mutans. Biofilms, 1 (1), 49-56. (doi:10.1017/S1479050503001078).

Record type: Article

Abstract

Here we describe an experimental study of the mechanical properties of bacterial biofilms formed from the early dental plaque colonizer Streptococcus mutans. The S. mutans biofilms demonstrated the behavior of rheological fluids, with properties similar to those of organic polymers and other biological fluids. The time-dependent response of the biofilms was modeled on the basis of principles of viscoelasticity theory. The static and dynamic responses were defined in terms of the creep compliance, storage and loss moduli, and viscosity. The creep compliance and stress relaxation functions of S. mutans biofilms were characterized using the Burger model. Implications for developing more effective mechanical removal strategies of dental plaque biofilms are discussed

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More information

Published date: 2004
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 157157
URI: http://eprints.soton.ac.uk/id/eprint/157157
ISSN: 1479-0505
PURE UUID: db2f6c7e-46e7-4f8c-a521-793269cd8ca3
ORCID for P. Stoodley: ORCID iD orcid.org/0000-0001-6069-273X

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Date deposited: 09 Jun 2010 10:54
Last modified: 14 Mar 2024 02:55

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Contributors

Author: A.M. Vinogradov
Author: M. Winston
Author: C.J. Rupp
Author: P. Stoodley ORCID iD

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