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Related Concept Videos

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Related Experiment Video

Updated: Jan 19, 2026

Author Spotlight: Development of a Scaffold-Free Acoustic Assembly Method for High-Quality 3D Cell Spheroid Culture
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A One-Sided Acoustic Trap for Cell Immobilization Using 30-MHz Array Transducer.

Hae Gyun Lim, Hyung Ham Kim, Changhan Yoon

    IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
    |September 13, 2019
    PubMed
    Summary

    Ultrasound-array-based single-beam acoustic tweezers (UA-SBATs) offer a novel, non-contact method for precise cell manipulation. This technology successfully trapped and displaced MCF-12F cells without causing damage, highlighting its potential for biological research.

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    Area of Science:

    • Biophysics
    • Cell Biology
    • Acoustic Manipulation

    Background:

    • Investigating immobilized cells is crucial in biological studies.
    • Non-contact cell trapping methods like optical, magnetic, and acoustic tweezers exist.
    • Existing methods have limitations in speed and biocompatibility.

    Purpose of the Study:

    • To present ultrasound-array-based single-beam acoustic tweezers (UA-SBATs) for cell manipulation.
    • To demonstrate the effectiveness of UA-SBATs in trapping and displacing single or multiple cells.
    • To explore the potential of UA-SBATs in biological applications.

    Main Methods:

    • Utilized a customized 30-MHz array transducer with an interdigitally bonded (IB) 2-2 piezocomposite.
    • Employed a tightly focused acoustic beam to generate high acoustic gradient forces.
    • Electronically steered and scanned the acoustic beam for cell manipulation.

    Main Results:

    • Successfully immobilized MCF-12F cells using UA-SBATs.
    • Demonstrated attraction of cells to the acoustic beam center.
    • Achieved lateral displacement of cells without observable damage.

    Conclusions:

    • UA-SBATs provide a promising tool for non-damaging cell manipulation.
    • The electronic beam steering offers simpler and faster cell manipulation compared to mechanical methods.
    • This technology has potential for advancing biological research and applications.