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This work aims to develop a simple and flexible acoustic tweezers device for precise manipulation of microparticles using surface acoustic waves.

May 24, 2026MicromachinesOpen Access

Symmetric Surface Acoustic Wave Tweezers Based on 128° YX-LN for Dynamic Manipulation of Particle Patterns

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Experimental device demonstrates effective microparticle manipulation using acoustic pressure, suggesting broad applications in cell engineering.

This work aims to develop a simple and flexible acoustic tweezers device for precise manipulation of microparticles using surface acoustic waves.
Utilized a symmetric interdigitated transducer (IDT) design to create the acoustic tweezers.
Conducted theoretical investigations using the finite element method to understand the device's particle manipulation mechanism.
Validated device effectiveness through dynamic experiments with fluorescent polystyrene microspheres.
The device achieved rapid and precise modulation of acoustic waves to manipulate particle clusters.
Array-based manipulation allowed for the formation of specific particle patterns.
Exhibited advantages such as low cost, high precision, and good biocompatibility compared to conventional sorting methods.

Zhang et al. (2026) studied this question.

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Experimental device demonstrates effective microparticle manipulation using acoustic pressure, suggesting broad applications in cell engineering.