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SUMMARY:Is the tendency for all living systems to do work universal? - Els
 en Tjhung\, Durham University
DTSTART:20220201T130000Z
DTEND:20220201T140000Z
UID:TALK167633@talks.cam.ac.uk
CONTACT:Camille Scalliet
DESCRIPTION:Not long ago\, it was found that swimming bacteria are able pe
 rform a useful macroscopic work. If we look at the trajectories of swimmin
 g bacteria\, they look completely random with no coherent motion. And yet\
 , as soon as we put an asymmetric rotor inside a bath full of bacteria\, t
 he bacteria can somehow rotate the rotor in one direction. In this talk\, 
 we will try to establish if this tendency to extract work from all living 
 system is universal by looking at another biological system\, which is liv
 ing tissues. Biological living tissues are continuously regenerated throug
 h cellular division and apoptosis (or cell death). I will discuss how we c
 an extract useful work from these division and apoptosis process alone\, w
 ithout any recourse to swimming motility.\n\nReference:\nMitchell\, E. and
  Tjhung\, E.\, Macroscopic current generated by local division and apoptos
 is in a minimal model of tissue dynamics\, Soft Matter\, https://doi.org/1
 0.1039/D1SM00928A (2022)
LOCATION:Center for Mathematical Sciences\, Lecture room MR11\, or https:/
 /maths-cam-ac-uk.zoom.us/j/98016675669
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