ArticlePhysical review applied2025
High-energy-density acoustofluidic device using a double-parabolic ultrasonic transducer.
Article in Physical review applied, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
5 authors.
Funding
Abstract
High-acoustic-energy-density acoustofluidic devices are necessary to make this technology a viable option for clinical applications in the biomedical field. We present a mechanical interface that enables delivery of a high-amplitude acoustic field inside a fluid cavity by translating the vibrations from two large piezoelectric elements into a microfluidic chip. The study comprises both experimental characterization of a double-parabolic metallic acoustic waveguide and simulations of its working mechanism in two dimensions. We could focus 4.9-μm polystyrene particles at a flowrate of 5 ml/min, corresponding to an average retention time of 13.5 ms for particles in the actuated area. Moreover, we measured the acoustic energy density in the channel at stopped-flow condition, obtaining an average value of 1207 J
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