Determination of biofilm mechanical properties from tensile tests performed using a micro-cantilever method.

@article{Aggarwal2010DeterminationOB,
  title={Determination of biofilm mechanical properties from tensile tests performed using a micro-cantilever method.},
  author={Srijan Aggarwal and Raymond M. Hozalski},
  journal={Biofouling},
  year={2010},
  volume={26 4},
  pages={479-86}
}
Recently, a micro-cantilever method was introduced for measuring the ultimate tensile strength of intact bacterial biofilms. Herein, is reported the analysis of the video files from the testing of a 4-day-old Staphylococcus epidermidis biofilm to determine the elastic modulus, toughness, and failure strain. Elastic modulus (1270+/-280 Pa) was within the range of previously reported values (17-6000 Pa). The high failure strains (240+/-16%) indicate the substantial ductility of bacterial biofilms… CONTINUE READING

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