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Directed motion in active matter: Frictiotaxis and flocking

February 29, 2024 @ 1:00 pm - 2:00 pm

Active Matter Seminar

Speaker: Ricard Alert, Max Planck Institute for the Physics of Complex Systems

Title: Directed motion in active matter: Frictiotaxis and flocking

Abstract: A key feature of active matter is its ability to move directionally, both as individual particles and collectively. I will discuss two examples of directed motion: one in cell migration, and one in collections of self-propelled colloids. First, I will show that cells lacking cell-substrate adhesions migrate along friction gradients. We call this phenomenon frictiotaxis, which is a new type of cell guidance. Second, I will present a new mechanism for flocking whereby self-propelled particles can align and move collectively despite turning away from each other.


February 29, 2024
1:00 pm - 2:00 pm
Event Category:


CMSA Room G10
CMSA, 20 Garden Street
Cambridge, MA 02138 United States
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