Rheology of biofilms formed from the dental plaque pathogen Streptococcus mutans

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).


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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

Item Type: Article
Digital Object Identifier (DOI): doi:10.1017/S1479050503001078
ISSNs: 1479-0505 (print)
1479-0513 (electronic)
Subjects: Q Science > QR Microbiology
Divisions : University Structure - Pre August 2011 > School of Engineering Sciences > Engineering Materials & Surface Engineering
ePrint ID: 157157
Accepted Date and Publication Date:
Date Deposited: 09 Jun 2010 10:54
Last Modified: 31 Mar 2016 13:26
URI: http://eprints.soton.ac.uk/id/eprint/157157

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