Holographic microrheology of polysaccharides from Streptococcus mutans biofilms

@article{Cheong2009HolographicMO,
  title={Holographic microrheology of polysaccharides from Streptococcus mutans biofilms},
  author={F. Cheong and S. Duarte and S. Lee and D. Grier},
  journal={Rheologica Acta},
  year={2009},
  volume={48},
  pages={109-115}
}
We use three-dimensional holographic particle tracking to perform microrheological measurements of model gelled media, including the polysaccharide pellicle of dental biofilms created by the common cariogenic oral pathogen Streptococcus mutans. Nanometer-resolution video-rate holographic tracking of embedded colloidal spheres provides accurate measurements of the gels’ complex viscoelastic moduli, including insights into these properties’ heterogeneity. When applied to polysaccharides of S… Expand
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