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SUMMARY:Ultrasonic Actuation in Microfluidics for Particle Handling\, Sort
 ing and Droplet Formation - Dr. Adrian Neild\, Laboratory for Micro System
 s\, Department of Mechanical and Aerospace Engineering\, Monash University
 \, Australia
DTSTART:20140926T130000Z
DTEND:20140926T140000Z
UID:TALK53754@talks.cam.ac.uk
CONTACT:Jerome Charmet
DESCRIPTION:Microfludics offers the opportunity to reduce laboratory scale
  experiments into chip based systems. In doing so sample and reagent volum
 es and costs can be minimised\, and portability can be offered so that med
 ical diagnostics can occur at the point-of-care. Key tasks in building suc
 h technologies include the handling of both samples and suspended matter. 
 This seminar will address these tasks through the use of ultrasonic actuat
 ion. The key mechanisms available will be compared an applied in order to 
 achieve particle collection. Particle sorting will also be shown by using 
 a combination of these mechanisms\, in open fluidic chamber and proximity 
 of an oscillating microbubble. Finally\, two aspects of sample handling wi
 ll be examined. Firstly the injection of picoliter droplets of sample into
  an oil filled channel will be shown using the application of an ultrasoni
 c pulse\, and secondly the subsequent merging of droplets with the potenti
 al to instigate chemical reactions on chip.
LOCATION:Kapitza Building Seminar Room 16\, Cavendish Laboratory\, Departm
 ent of Physics
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