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Updated: Oct 28, 2025
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Microparticle Manipulation by Standing Surface Acoustic Waves with Dual-frequency Excitations
Published on: August 21, 2018
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Unconventional acoustic approaches for localized and designed micromanipulation
Kirill Kolesnik1, Mingxin Xu1, Peter V S Lee1
1Department of Biomedical Engineering, University of Melbourne, Melbourne, Victoria, Australia. david.collins@unimelb.edu.au.
Lab on a Chip
|July 16, 2021
Summary
Acoustic fields enable precise control of microscale objects in microfluidic devices. Recent advances allow for flexible acoustic field generation, improving single-cell manipulation for diverse applications.
Area of Science:
- Acoustofluidics
- Biophysics
- Microfluidics
Background:
- Acoustic fields offer biocompatible micromanipulation for single cells.
- Traditional acoustofluidics relies on standing waves for particle alignment.
- Emerging applications demand more sophisticated and flexible acoustic manipulation.
Purpose of the Study:
- To review recent advances in flexible acoustic field generation for micromanipulation.
- To categorize novel techniques for creating arbitrary acoustic pressure fields.
- To highlight applications benefiting from precise, single-cell level acoustic control.
Main Methods:
- Review and categorization of advanced acoustofluidic techniques.
- Examination of methods for generating arbitrary acoustic pressure fields.
- Analysis of spatially localized and selective particle translation methods.
Main Results:
- Demonstration of arbitrary acoustic field generation.
- Spatially localized acoustic fields and selective particle translation achieved.
- New methods offer control beyond traditional standing wave approaches.
Conclusions:
- Flexible acoustic field generation significantly enhances micromanipulation capabilities.
- These advances are crucial for applications requiring single-cell fidelity.
- Potential impacts span tissue engineering, diagnostics, sorting, and microfabrication.
