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SUMMARY:Biomechanics can provide a new perspective on microbiology - Takuj
 i Ishikawa (Tohoku University)
DTSTART:20190620T120000Z
DTEND:20190620T130000Z
UID:TALK126523@talks.cam.ac.uk
CONTACT:Anne Herrmann
DESCRIPTION:Despite their tiny size\, microorganisms play a huge role in m
 any biological\, medical\, and engineering phenomena. Because of the consi
 derable influence that microorganisms have on human life\, the study of th
 eir behavior and function is important. In this talk\, we first introduce 
 some of our studies on the behavior of individual swimming microorganisms 
 near surfaces. We show that cells can be trapped at liquid-air or liquid-s
 olid interfaces. We then introduce interactions between a pair of swimming
  microorganisms\, and show that our mathematical models can reproduce the 
 interactions. Collective motions formed by a group of swimming microorgani
 sms are also introduced. We then discuss how cellular-level phenomena can 
 change the rheological and diffusion properties of a suspension. The macro
 scopic properties of a suspension are strongly affected by mesoscale flow 
 structures\, which in turn are strongly affected by the interactions betwe
 en cells. Hence\, a bottom-up strategy\, i.e. from a cellular level to a c
 ontinuum suspension level\, represents a natural approach to the study of 
 a suspension of swimming microorganisms. Finally\, we discuss whether our 
 understanding of biological functions can be strengthened by the applicati
 on of biomechanics\, and how we can contribute to the future of microbiolo
 gy.\n
LOCATION:MR14\,  Centre for Mathematical Sciences\, Wilberforce Road\, Cam
 bridge
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