Center for Interdisciplinary Mathematics
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Previous talk

Time:Oct. 18, 2014, 3:30pm-4:30pm.
Place:114 McAllister Building.
Speaker: Antonio DeSimone, SISSA - International School for Advanced Studies, Trieste, Italy
Title:Motility at microscopic scales

Motility of cells is at the root of many fundamental processes in biology: from sperm cells swimming to fertilize an egg cell, to leukocytes migrating towards newly opened wounds to activate the response of the immune, to metastatic tumor cells crawling to invade nearby tissues.

We will discuss the mechanical bases of cellular motility by swimming and crawling. Special emphasis will be placed on the connections between low Reynolds number swimming and Geometric Control Theory, and on the geometric structure of the underlying equations of motion.

We will then examine some concrete example, taken from the case studies that have been recently considered by our group and including: reverse engineering of the euglenoid movement, undulatory locomotion of snake-like robots, and one-dimensional models of slender crawlers.

Finally, we will re-examine the lessons learned in the context of biological cell motility with the aim of building a dictionary of elementary motility mechanism to be used in prototypes of bio-inspired motile micro-robots.