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Related Experiment Video

Updated: Jun 6, 2026

A Microfluidic Platform for Precision Small-volume Sample Processing and Its Use to Size Separate Biological Particles with an Acoustic Microdevice
11:32

A Microfluidic Platform for Precision Small-volume Sample Processing and Its Use to Size Separate Biological Particles with an Acoustic Microdevice

Published on: November 23, 2015

Phononic crystal structures for acoustically driven microfluidic manipulations.

Rab Wilson1, Julien Reboud, Yannyk Bourquin

  • 1Division of Biomedical Engineering, University of Glasgow, Oakfield Avenue, Glasgow, G12 8LT, UK.

Lab on a Chip
|November 9, 2010
PubMed
Summary
This summary is machine-generated.

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This study introduces a novel microfluidic chip interface using surface acoustic wave (SAW) devices and phononic structures. This innovation enables precise fluid manipulation and particle concentration, demonstrated by blood centrifugation on-chip.

Area of Science:

  • Microfluidics
  • Acoustofluidics
  • Materials Science

Background:

  • Microfluidic systems face challenges in chip interconnection and fluid manipulation mechanisms.
  • Surface acoustic wave (SAW) devices offer sample manipulation but require complex electrode designs for intricate fluid operations.

Purpose of the Study:

  • To demonstrate a simple interface between a piezoelectric SAW device and a disposable microfluidic chip patterned with phononic structures.
  • To control acoustic wave propagation for complex fluidic functions within microfluidic devices.

Main Methods:

  • Coupling surface acoustic waves from a piezoelectric substrate to a disposable microfluidic chip.
  • Utilizing phononic structures, including filters and waveguides, to control acoustic wave propagation.
  • Demonstrating microcentrifugation for particle and cell concentration in microliter droplets.

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Fabrication and Operation of Acoustofluidic Devices Supporting Bulk Acoustic Standing Waves for Sheathless Focusing of Particles
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Fabrication and Operation of Acoustofluidic Devices Supporting Bulk Acoustic Standing Waves for Sheathless Focusing of Particles

Published on: March 6, 2016

Microparticle Manipulation by Standing Surface Acoustic Waves with Dual-frequency Excitations
06:51

Microparticle Manipulation by Standing Surface Acoustic Waves with Dual-frequency Excitations

Published on: August 21, 2018

Related Experiment Videos

Last Updated: Jun 6, 2026

A Microfluidic Platform for Precision Small-volume Sample Processing and Its Use to Size Separate Biological Particles with an Acoustic Microdevice
11:32

A Microfluidic Platform for Precision Small-volume Sample Processing and Its Use to Size Separate Biological Particles with an Acoustic Microdevice

Published on: November 23, 2015

Fabrication and Operation of Acoustofluidic Devices Supporting Bulk Acoustic Standing Waves for Sheathless Focusing of Particles
10:14

Fabrication and Operation of Acoustofluidic Devices Supporting Bulk Acoustic Standing Waves for Sheathless Focusing of Particles

Published on: March 6, 2016

Microparticle Manipulation by Standing Surface Acoustic Waves with Dual-frequency Excitations
06:51

Microparticle Manipulation by Standing Surface Acoustic Waves with Dual-frequency Excitations

Published on: August 21, 2018

Main Results:

  • The interaction between fluid and the phononic lattice is frequency-dependent, enabling programmable fluidic functions.
  • Successful microcentrifugation of blood samples on the microfluidic chip.
  • A simple interface design simplifies the integration of SAW devices with microfluidic chips.

Conclusions:

  • The developed technique offers a programmable route for complex fluidic operations on microchips.
  • This approach overcomes limitations of traditional microfluidic systems, enhancing their applicability.
  • The frequency-dependent fluid interaction within phononic lattices opens new possibilities in microfluidic device design.