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A Microfluidic-based Hydrodynamic Trap for Single Particles
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Bioengineering
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JoVE Journal Bioengineering
A Microfluidic-based Hydrodynamic Trap for Single Particles

A Microfluidic-based Hydrodynamic Trap for Single Particles

DOI:
10.3791/2517-v

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10:13 min

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January 21, 2011

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, ,
1Center for Biophysics and Computational Biology,University of Illinois at Urbana-Champaign, 2Department of Chemical and Biomolecular Engineering,University of Illinois at Urbana-Champaign

Chapters

  • 00:00Title
  • 02:02Microfluidic Device Fabrication
  • 04:28Hydrodynamic Trap Experimental Setup
  • 06:34Hydrodynamic Trap Experimental Setup
  • 08:29A Hydrodynamic Trap for Fluorescent Polystyrene Beads
  • 09:28Conclusion

Summary

Automatic Translation

Automatic Translation

In this article, we present a microfluidic-based method for particle confinement based on hydrodynamic flow. We demonstrate stable particle trapping at a fluid stagnation point using a feedback control mechanism, thereby enabling confinement and micromanipulation of arbitrary particles in an integrated microdevice.

Tags

Microfluidic-basedHydrodynamic TrapSingle ParticlesParticle TrappingManipulationFluid FlowMicrofluidic DeviceCross-slot Channel GeometryLaminar StreamsPlanar Extensional FlowStagnation PointFeedback Control AlgorithmLabVIEW CodePressure Regulation

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