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Issue 8, 2012
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Acoustofluidics 9: Modelling and applications of planar resonant devices for acoustic particle manipulation

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Abstract

This article introduces the design, construction and applications of planar resonant devices for particle and cell manipulation. These systems rely on the pistonic action of a piezoelectric layer to generate a one dimensional axial variation in acoustic pressure through a system of acoustically tuned layers. The resulting acoustic standing wave is dominated by planar variations in pressure causing particles to migrate to planar pressure nodes (or antinodes depending on particle and fluid properties). The consequences of lateral variations in the fields are discussed, and rules for designing resonators with high energy density within the appropriate layer for a given drive voltage presented.

Graphical abstract: Acoustofluidics 9: Modelling and applications of planar resonant devices for acoustic particle manipulation

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Publication details

The article was received on 15 Dec 2011, accepted on 27 Jan 2012 and first published on 09 Mar 2012


Article type: Focus
DOI: 10.1039/C2LC21257A
Citation: Lab Chip, 2012,12, 1417-1426

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    Acoustofluidics 9: Modelling and applications of planar resonant devices for acoustic particle manipulation

    P. Glynne-Jones, R. J. Boltryk and M. Hill, Lab Chip, 2012, 12, 1417
    DOI: 10.1039/C2LC21257A

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