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En cartographie in situ des propriétés mécaniques des biofilms par Microrhéologie de particules de suivi

DOI :

10.3791/53093-v

December 4th, 2015

December 4th, 2015

9,494 Views

1Interdisciplinary Graduate School, Nanyang Technological University, 2Singapore Centre on Environmental Life Sciences Engineering, Nanyang Technological University, 3School of Biological Sciences, Nanyang Technological University, 4Centre for Marine Bio-Innovation, University of New South Wales, 5School of Biological, Earth and Environmental Sciences, University of New South Wales, 6School of Biotechnology and Biomolecular Sciences Sciences, University of New South Wales

Particle-tracking microrheology investigates the viscoelasticity of materials. Here, the technique is used to determine the viscoelasticity, creep compliance and effective crosslinking roles of different matrix components of a bacterial biofilm. The matrix consists of polymeric substances secreted by the bacteria and its components determine biofilm structure and mechanical properties.

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Bioengineering

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