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Updated: May 21, 2026

Assembly and Operation of an Acoustofluidic Device for Enhanced Delivery of Molecular Compounds to Cells
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Assembly and Operation of an Acoustofluidic Device for Enhanced Delivery of Molecular Compounds to Cells

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Multi-parameter controlled acoustofluidic assembly of colloidal and cellular structures.

Di Lian1, Honghao Li2, Shaoshuai Han1

  • 1School of Optoelectronic Engineering and Instrumentation Science, Dalian University of Technology, Dalian 116024, China.

Colloids and Surfaces. B, Biointerfaces
|May 19, 2026
PubMed
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This summary is machine-generated.

Acoustic patterning precisely controls particle and cell organization using standing surface acoustic waves (SSAWs). This method enhances cell alignment and gene expression, offering a reproducible framework for biofabrication.

Area of Science:

  • Biophysics
  • Materials Science
  • Biofabrication

Background:

  • Acoustic patterning offers label-free, non-contact particle and cell organization.
  • Limited understanding of acoustic parameters, device architecture, and sample properties affects patterning outcomes.

Purpose of the Study:

  • Investigate particle organization using standing surface acoustic waves (SSAWs).
  • Systematically examine how acoustic parameters and device architecture influence patterning.
  • Develop a controllable acoustic patterning platform for precise biofabrication.

Main Methods:

  • Established a controllable acoustic patterning platform utilizing SSAWs.
  • Systematically varied acoustic frequency, input power, channel height, and pattern window.
  • Monitored temperature to define safe operating ranges for biocompatibility.
Keywords:
AcoustofluidicsCo-cultureColloidal manipulationInterdigital transducer (IDT)Standing surface acoustic waves (SSAWs)

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  • Developed an open-type acoustic tweezer system for cell patterning.

    • Main Results:

    • Identified clear regulatory mechanisms for precise and reproducible acoustic patterning control.
    • Demonstrated rapid and orderly patterning of myoblasts (C2C12) and fibroblasts (NIH/3T3) in a hydrogel.
    • Acoustically patterned cells showed enhanced alignment and upregulated myogenic gene expression compared to controls.

    Conclusions:

    • Provided a quantitative parameter map and design framework for acoustic assembly of colloidal systems.
    • Established a mechanistic understanding for optimizing acoustic patterning in biofabrication.
    • Enabled reproducible interface-guided biofabrication with enhanced cellular behavior.