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SUMMARY:Active bacterial suspensions: from individual effort to team work 
 - Prof. Eric Clement\, University Pierre et Marie Curie
DTSTART:20171018T130000Z
DTEND:20171018T140000Z
UID:TALK73021@talks.cam.ac.uk
CONTACT:Ian Wilson
DESCRIPTION:Bacteria swimming in a fluid induce very deep changes in the m
 acroscopic transport properties and in the constitutive relations of the s
 uspension. We are interested in understanding the hydrodynamics of those f
 luids laden with active particles. We currently study various phenomena as
 sociated with the swimming activity such as the activated Brownian motion\
 , the emergence of collective motion\, the viscous response and the hydrod
 ynamic dispersion. I will discuss more specifically how a sheared suspensi
 on of bacteria may display a viscosity decreasing with concentration and h
 ow at large concentrations\, it may undergo a transition to a ``superfluid
 -like'' regime where macroscopic viscosity apparently vanishes.\n
LOCATION:Department of Chemical Engineering and Biotechnology\, West Cambr
 idge Site\, LT1
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