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We present a particle manipulation device composed of a pair of slanted interdigitated transducers (SIDTs) and a polydimethyl-siloxane (PDMS) microfluidic channel. Tunable travelling surface acoustic waves (TSAWs) produced by the SIDTs at desired locations are used to separate polystyrene (PS) microspheres of different diameters. The acoustic radiation force (ARF) acting on PS microspheres is estimated...
In this paper, we demonstrate the working principle of travelling surface acoustic waves (TSAWs) in a microfluidic system. The TSAWs were incorporated to separate polystyrene (PS) particles of variable diameters and perform controlled mixing of different chemicals for concentration gradient generation, both inside a polydimethylsiloxane (PDMS) microfluidic channel. The TSAWs generated an acoustic...
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