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SUMMARY:Acoustic radiation force and its biomedical applications - Profess
 or Lev Ostrovsky\,  University of Colarado\, Boulder and University of Nor
 th Carolina
DTSTART:20170911T100000Z
DTEND:20170911T110000Z
UID:TALK78861@talks.cam.ac.uk
CONTACT:June Rix
DESCRIPTION:The acoustic radiation force (ARF) is\, in general\, defined a
 s a period-average force exerted on the medium by a sound wave. Various as
 pects of this phenomenon have been discussed by numerous authors\, beginni
 ng from Lord Rayleigh. Since 1990s studies of ARF enjoy a renaissance\, pr
 imarily due to the broad biomedical applications. In particular\, the radi
 ation force produced by a focused ultrasound beam acts as a virtual “fin
 ger” for remote probing elastic properties of internal anatomical struct
 ures and obtaining diagnostic information about possible lesions. Another 
 fast developing area is using ARF for manipulating microparticles (up to b
 acterial sizes) and microbubbles in resonators for separation and visualiz
 ation. There remain many relevant theoretical challenges as well. This pre
 sentation gives a brief review of the problem. 
LOCATION:MR5\,  Centre for Mathematical Sciences\, Wilberforce Road\, Camb
 ridge
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