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Acoustic trapping with a high frequency linear phased array.


ABSTRACT: A high frequency ultrasonic phased array is shown to be capable of trapping and translating microparticles precisely and efficiently, made possible due to the fact that the acoustic beam produced by a phased array can be both focused and steered. Acoustic manipulation of microparticles by a phased array is advantageous over a single element transducer since there is no mechanical movement required for the array. Experimental results show that 45 μm diameter polystyrene microspheres can be easily and accurately trapped and moved to desired positions by a 64-element 26 MHz phased array.

SUBMITTER: Zheng F 

PROVIDER: S-EPMC3517499 | biostudies-other | 2012 Nov

REPOSITORIES: biostudies-other

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