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Related Experiment Video

Updated: Oct 7, 2025

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Acoustofluidic interferometric device for rapid single-cell physical phenotyping.

J Mejía Morales1,2,3, P Glynne-Jones4, M Vassalli5

  • 1Institut de Physique de Nice, Université Côte d'Azur, CNRS, 06560, Valbonne, France. julian.mejia_morales@ugent.be.

European Biophysics Journal : EBJ
|January 12, 2022
PubMed
Summary
This summary is machine-generated.

This study introduces a new microfluidic device using acoustic waves and interferometry for high-throughput single-cell analysis. The technology measures physical properties like size and deformability, paving the way for label-free clinical diagnostics.

Keywords:
AcousticsCell mechanicsCytometryFabry–Perot interferometerMicrofluidicsSingle-cell analysis

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Area of Science:

  • Biophysics
  • Microfluidics
  • Optical Physics

Background:

  • High-throughput single-cell analysis using physical properties is crucial for clinical research and diagnostics.
  • Current methods face challenges in handling biological variability and achieving sufficient throughput.
  • Label-free analysis is desirable for preserving cell viability and simplifying workflows.

Purpose of the Study:

  • To develop a novel microfluidic approach for high-throughput, label-free single-cell analysis.
  • To integrate acoustic manipulation with interferometric sensing for precise cell characterization.
  • To demonstrate the device's capability in quantifying optomechanical properties of diverse cell types.

Main Methods:

  • A microfluidic device utilizing acoustic waves for cell manipulation and mechanical stimulation.
  • Integration of a low-finesse Fabry-Perot resonator for interferometric measurements.
  • Measurement of cell size, deformability, and refractive index of non-adherent cells.

Main Results:

  • Demonstrated high-throughput capability suitable for addressing biological diversity.
  • Successfully detected and quantified optomechanical properties of polystyrene beads, algae, and yeast.
  • Achieved high sensitivity and speed for label-free single-cell analysis.

Conclusions:

  • The developed acoustofluidic interferometric device offers a promising platform for label-free single-cell clinical analysis.
  • The method's high throughput and sensitivity are suitable for clinical applications.
  • This technology has the potential to advance diagnostic capabilities through precise cell characterization.