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Related Experiment Video

Updated: Jun 13, 2026

Patterning of Microorganisms and Microparticles through Sequential Capillarity-assisted Assembly
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Published on: November 4, 2021

Selective arraying of complex particle patterns.

Ramsey I Zeitoun1, Dustin S Chang, Sean M Langelier

  • 1Department of Chemical Engineering, University of Michigan, 3074 H. H. Dow, 2300 Hayward, Ann Arbor, MI 48109, USA.

Lab on a Chip
|April 15, 2010
PubMed
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A novel multilayer microfluidic device precisely positions micro-objects like cells and particles into custom patterns using laminar flow. This technology offers rapid, scalable, and flexible solutions for various scientific applications.

Area of Science:

  • Microfluidics
  • Biotechnology
  • Materials Science

Background:

  • Precise positioning of particles and cells is crucial for molecular detection, self-assembly, and tissue engineering.
  • Existing micro-object positioning methods often lack precision, scalability, or flexibility.

Purpose of the Study:

  • To develop an advanced, straightforward microfluidic device for precise, scalable, and flexible micro-object positioning.
  • To create a method for actively positioning particles and cells into user-defined two-dimensional patterns.

Main Methods:

  • Development of an arrayed, multilayer surface-patterned microfluidic device.
  • Utilizing laminar convective flow for active micro-object positioning.
  • Employing vacuum-actuated holes for rapid loading (approx. 2 seconds) of particles and cells.

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Related Experiment Videos

Last Updated: Jun 13, 2026

Patterning of Microorganisms and Microparticles through Sequential Capillarity-assisted Assembly
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Patterning of Microorganisms and Microparticles through Sequential Capillarity-assisted Assembly

Published on: November 4, 2021

Flow-pattern Guided Fabrication of High-density Barcode Antibody Microarray
09:05

Flow-pattern Guided Fabrication of High-density Barcode Antibody Microarray

Published on: January 6, 2016

Origami Inspired Self-assembly of Patterned and Reconfigurable Particles
12:33

Origami Inspired Self-assembly of Patterned and Reconfigurable Particles

Published on: February 4, 2013

Main Results:

  • Successfully demonstrated precise patterning of 10 micrometer polystyrene particles and Saccharomycodes ludwigii cells.
  • Achieved rapid object loading and demonstrated the ability to generate anisotropic particles and culture S. ludwigii cells.
  • Modified the device for individual control of hole sets, enabling control over pattern composition.

Conclusions:

  • The developed multilayer microfluidic device offers rapid, precise, and adaptable micro-object placement.
  • This technology significantly aids research requiring controlled object positioning and proximity, advancing fields like tissue engineering and molecular detection.