Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 224, Issue -, Pages 529-538Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2015.10.068
Keywords
Microfluidic; Ultrasound; Particle manipulation
Funding
- Australian Research Council [DP110104010]
- Engineering and Physical Sciences Research Council [EP/K030159/1] Funding Source: researchfish
- EPSRC [EP/K030159/1] Funding Source: UKRI
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An acoustic resonator system has been investigated for the manipulation and entrapment of micronsized particles in air. Careful consideration of the effect of the thickness and properties of the materials used in the design of the resonator was needed to ensure an optimised resonator. This was achieved using both analytical and finite-element modelling, as well as predictions of acoustic attenuation in air as a function of frequency over the 0.8 to 2.0 MHz frequency range. This resulted in a prediction of the likely operational frequency range to obtain particle manipulation. Experimental results are presented to demonstrate good capture of particles as small as 15 mu m in diameter. (C) 2015 Elsevier B.V. All rights reserved.
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