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This paper reports a minimized bio-particles manipulation tool utilizing localized ultrahigh frequency acoustic resonators (UHF-AR). The resonator works at frequency of 1540 MHz, which is high enough to break through scale effect and trigger localized acoustofluidic streaming (in formation of 3-D vortices) within microfluidic systems. Especially, the vortices can be precisely tuned in principle, providing...
Coupling of acoustic disturbance into microfluidics has been widely investigated for micro-mixing, fluid heating, bioparticle manipulations including trapping, sorting, focusing, and cell lysis etc. Here, we demonstrated a microfluidic system which integrated with micro-fabricated bulk acoustic wave resonator (BAW) working at frequency of 1.54 GHz. The ultra-high frequency thickness vibration mode...
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