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Related Experiment Video

Updated: Jul 24, 2025

A Microfluidic-based Hydrodynamic Trap for Single Particles
10:13

A Microfluidic-based Hydrodynamic Trap for Single Particles

Published on: January 21, 2011

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Continuous trapping, elasticity measuring and deterministic printing of single cells using arrayed microfluidic

Yike Cai1, En Yu1, Jing Jin1

  • 1School of Mechanical Engineering and Automation, Harbin Institute of Technology, Shenzhen, Shenzhen 518055, China. chenhuaying@hit.edu.cn.

Lab on a Chip
|July 10, 2023
PubMed
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This study introduces a microfluidic device for precise single-cell analysis, enabling the measurement of cell elasticity and deterministic printing for linking mechanics to biophysical properties.

Area of Science:

  • Biophysics
  • Cell Biology
  • Microfluidics

Background:

  • Linking cell mechanics to other cellular properties like signaling and genetics is crucial.
  • Existing methods may lack precision in single-cell analysis and manipulation.

Purpose of the Study:

  • To develop and validate a microfluidic technology for trapping, measuring elasticity, and printing single cells.
  • To establish a correlation between cell mechanics and biophysical properties.

Main Methods:

  • Utilized a microfluidic device with U-shaped traps and precise pressure regulation for cell capture and release.
  • Employed numerical and theoretical analyses to understand pressure dynamics.
  • Demonstrated capabilities using microbeads and K562 cells for elasticity measurement and printing.

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Use of Dual Optical Tweezers and Microfluidics for Single-Molecule Studies
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Related Experiment Videos

Last Updated: Jul 24, 2025

A Microfluidic-based Hydrodynamic Trap for Single Particles
10:13

A Microfluidic-based Hydrodynamic Trap for Single Particles

Published on: January 21, 2011

16.8K
Use of Dual Optical Tweezers and Microfluidics for Single-Molecule Studies
06:53

Use of Dual Optical Tweezers and Microfluidics for Single-Molecule Studies

Published on: November 18, 2022

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Cell Capture Using a Microfluidic Device
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Cell Capture Using a Microfluidic Device

Published on: October 1, 2007

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Main Results:

  • Achieved high efficiency (96%) in capturing and releasing microbeads, and 92.62% for single cells.
  • Demonstrated rapid capture of K562 cells (15.25 ± 7.63 seconds) with trapping efficiency dependent on flow rate.
  • Successfully determined cell stiffness (171.15 ± 73.35 Pa and 13959 ± 6328 Pa) and printed cells with known elasticity.

Conclusions:

  • The developed microfluidic technology enables precise single-cell dispensing and elasticity measurement.
  • This tool facilitates the study of cell mechanics and its relation to other biophysical properties.