Interfacial rheology of coexisting solid and fluid monolayers.

  title={Interfacial rheology of coexisting solid and fluid monolayers.},
  author={Amit Sachan and Siyoung Q Choi and K. H. Kim and Qianying Tang and L Hwang and Ka Yee C. Lee and Todd M Squires and Joseph A Zasadzinski},
  journal={Soft matter},
  volume={13 7},
Biologically relevant monolayer and bilayer films often consist of micron-scale high viscosity domains in a continuous low viscosity matrix. Here we show that this morphology can cause the overall monolayer fluidity to vary by orders of magnitude over a limited range of monolayer compositions. Modeling the system as a two-dimensional suspension in analogy with classic three-dimensional suspensions of hard spheres in a liquid solvent explains the rheological data with no adjustable parameters… CONTINUE READING
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