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Computational study of cell adhesion and rolling in flow channel by meshfree method

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  • Liqiang Lin
  • Xiaowei Zeng

Abstract

Tethering and rolling of circulating leukocytes on the surface of endothelium are critical steps during an inflammatory response. A soft solid cell model was proposed to study monocytes tethering and rolling behaviors on substrate surface in shear flow. The interactions between monocytes and micro-channel surface were modeled by a coarse-grained molecular adhesive potential. The computational model was implemented in a Lagrange-type meshfree Galerkin formulation to investigate the monocyte tethering and rolling process with different flow rates. From the simulation results, it was found that the flow rate has profound effects on the rolling velocity, contact area and effective stress of monocytes. As the flow rate increased, the rolling velocity would increase linearly, whereas the contact area and average effective stress in monocyte showed nonlinear increase.

Suggested Citation

  • Liqiang Lin & Xiaowei Zeng, 2017. "Computational study of cell adhesion and rolling in flow channel by meshfree method," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 20(8), pages 832-841, June.
    • Handle: RePEc:taf:gcmbxx:v:20:y:2017:i:8:p:832-841
    DOI: 10.1080/10255842.2017.1303051
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