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Related Experiment Video

Updated: Jun 11, 2026

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

A Microfluidic-based Hydrodynamic Trap for Single Particles

Published on: January 21, 2011

Hydrodynamic trap for single particles and cells.

Melikhan Tanyeri, Eric M Johnson-Chavarria, Charles M Schroeder

    Applied Physics Letters
    |June 30, 2010
    PubMed
    Summary
    This summary is machine-generated.

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    Scientists developed an automated hydrodynamic trap to confine and manipulate micro/nanoscale particles using fluid flow. This microfluidic device enables precise particle control for extended durations in aqueous solutions.

    Area of Science:

    • Fluid dynamics
    • Microfluidics
    • Nanotechnology

    Background:

    • Precise manipulation of micro and nanoscale particles is crucial for various scientific applications.
    • Existing particle trapping methods often require complex setups or specific particle properties.

    Purpose of the Study:

    • To demonstrate the trapping and manipulation of micro/nanoscale particles using only hydrodynamic forces.
    • To develop an automated particle trap utilizing stagnation point flow in a microfluidic device.

    Main Methods:

    • Generated stagnation point flow within a microfluidic device to create a hydrodynamic trap.
    • Utilized low viscosity aqueous solutions (1-10 cP) for particle manipulation.
    • Tested the trap's efficacy with particles ranging from 100 nm to 15 µm.

    More Related Videos

    Optical Trapping of Nanoparticles
    13:39

    Optical Trapping of Nanoparticles

    Published on: January 15, 2013

    Related Experiment Videos

    Last Updated: Jun 11, 2026

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

    A Microfluidic-based Hydrodynamic Trap for Single Particles

    Published on: January 21, 2011

    Optical Trapping of Nanoparticles
    13:39

    Optical Trapping of Nanoparticles

    Published on: January 15, 2013

    Main Results:

    • Achieved long-term trapping (minutes to hours) of micro and nanoscale particles.
    • Demonstrated precise particle confinement within 1 µm of the trap center.
    • Quantified trap stiffness in the range of 10⁻⁵–10⁻⁴ pN/nm.

    Conclusions:

    • Hydrodynamic forces alone are sufficient for effective particle trapping and manipulation.
    • The developed microfluidic trap offers a robust and automated solution for controlling micro/nanoparticles.
    • This technique shows potential for applications requiring precise manipulation of small particles.