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SUMMARY:The ultrafast trap of an aquatic carnivorous plant - Philippe Marm
 ottant (UJF Grenoble)
DTSTART:20091102T130000Z
DTEND:20091102T140000Z
UID:TALK20813@talks.cam.ac.uk
CONTACT:Dr Ed Brambley
DESCRIPTION:A process difficult to perform within the channels of a lab-on
 -a-chip is the sudden transfer of a small sample of fluid into a closed co
 ntainer.  This operation is naturally found in the vegetal kingdom when co
 nsidering the aquatic carnivorous plants Utricularia (common name bladderw
 ort).\n\nThese plants are gifted with tiny suction traps: a slight contact
  opens their door\, the trap sucks in liquid\, and then the door closes he
 rmetically\, all this open and close sequence within the impressive time o
 f a few milliseconds\, thus barely visible with the naked eye.\n\nWe prese
 nt an experimental study\, recording the fast fluid motions.  Finite eleme
 nt simulations allow to understand how the energy is stored and released\,
  and we pose the foundations for a model that will couple the elastic prop
 erties of the plant with the fluid motion. 
LOCATION:MR5\, CMS
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