Fluid Dynamics at the Scale of the Cell

Abstract eng:
The world of cellular biology provides us with many fascinating fluid dynamical phenomena that lie at the heart of important aspects of physiology, development, and ecology. Advances in imaging, micromanipulation, and microfluidics over the past decade have allowed for high-precision measurements of such flows, providing tests of fundamental theories about microhydrodynamics and also revealing a wealth of new phenomena which call out for explanation. In this lecture I summarize this progress in the context of four issues: cytoplasmic streaming in plant and animal cells, synchronization of eukaryotic flagella, collective behaviour in dense suspensions of microswimmers, and the interaction between swimming cells and surfaces. Throughout, I emphasize the role of fluid dynamics in an interdisciplinary approach to the mysteries of biology.

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