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SUMMARY:Sperm-driven biohybrid microswimmers - Veronika Magdanz (TU Dresde
 n)
DTSTART:20181214T130000Z
DTEND:20181214T140000Z
UID:TALK115723@talks.cam.ac.uk
CONTACT:Anne Herrmann
DESCRIPTION:This talk will give an overview of the advances in the develop
 ment of sperm-driven microswimmers. These autonomously moving microswimmer
 s were first developed by capturing single bovine sperm cells in microtube
 s made from rolled up ferromagnetic nanomembranes. They can be directed by
  weak external magnetic fields while the sperm cell is the propulsion sour
 ce. A cell release mechanism was implemented by incorporating thermo-respo
 nsive materials and using a temperature trigger to remotely open the micro
 tubes. This thermally triggered shape reconfiguration is also implemented 
 as motion control or propulsion mechanism in artificial microswimmers. Fin
 ally\, more recent developments are presented that investigate the motion 
 of sperm-driven microswimmers in body fluids\, on-board conditioning of sp
 erm and sperm-particle interactions which are prospective methods for repr
 oductive biology and medicine. \n
LOCATION:MR12\,  Centre for Mathematical Sciences\, Wilberforce Road\, Cam
 bridge
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