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Related Experiment Video

Updated: May 25, 2026

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

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Acoustofluidics 5: Building microfluidic acoustic resonators.

A Lenshof¹, M Evander, T Laurell

¹Dept. of Measurement Technology and Industrial Electrical Engineering, Div. of Nanobiotechnology, Lund University, Lund, Sweden.

|January 17, 2012

Summary

Acoustophoresis offers a gentle, non-contact method for cell and particle manipulation in microfluidics. This tutorial guides the design and fabrication of essential acoustic resonators for successful acoustophoretic devices.

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Area of Science:

Biomedical Engineering
Acoustics
Microfluidics

Background:

Acoustophoresis is an emerging non-contact cell and particle manipulation technique.
Effective microfluidic cell manipulation relies on precise acoustic resonator design.
Key design considerations include fabrication, materials, component matching, and actuation.

Purpose of the Study:

To provide a tutorial on designing and building microfluidic acoustic resonators.
To offer guidance for creating successful acoustophoretic devices.
To cover essential aspects of resonator design and fabrication.

Main Methods:

Discusses fabrication techniques for microfluidic acoustic resonators.
Explores material selection for optimal acoustic performance.
Details thickness matching strategies for resonator components.
Covers actuation methods for acoustophoretic systems.

Main Results:

Presents fundamental principles for designing microfluidic acoustic resonators.
Highlights critical factors for successful acoustophoretic device assembly.
Provides advisory information for researchers and engineers.

Conclusions:

Proper acoustic resonator design is crucial for effective acoustophoretic systems.
This tutorial serves as a guide for building and optimizing acoustophoretic devices.
Successful device creation requires careful consideration of fabrication and material properties.