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Related Experiment Video

Updated: Jun 3, 2026

Control of Cell Geometry through Infrared Laser Assisted Micropatterning
11:04

Control of Cell Geometry through Infrared Laser Assisted Micropatterning

Published on: July 10, 2021

Controlling microdrop shape and position for biotechnology using micropatterned rings.

Yevgeniy Kalinin1, Viatcheslav Berejnov, Robert E Thorne

  • 1Physics Department, Cornell University, Ithaca, NY USA, 14853.

Microfluidics and Nanofluidics
|September 28, 2011
PubMed
Summary

Photolithographic micropatterning precisely controls microdrop shape and position on surfaces. This technique enhances stability and reproducibility for applications like protein screening.

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Area of Science:

  • Materials Science
  • Fluid Dynamics
  • Biotechnology

Background:

  • Traditional methods struggle with precise microdrop control on surfaces.
  • Achieving stable microdrop positioning is crucial for various scientific applications.

Purpose of the Study:

  • To develop a method for robust topographic control of microdrop shape and position.
  • To enhance the stability and reproducibility of microdrop behavior on solid substrates.

Main Methods:

  • Utilizing photolithographic micropatterning to create circular rings with steep sidewalls.
  • Investigating the pinning of microdrop contact lines using these topographic features.

Main Results:

  • Successfully pinned microdrops ranging from nanoliters to 100 microliters.

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  • Demonstrated increased maximum stable drop volume and elimination of contact line motion.
  • Enhanced reproducibility of physical and chemical processes within microdrops.

    • Conclusions:

    • Photolithographic micropatterning offers effective topographic control for microdrops.
    • The technique simplifies automated image analysis and shows promise for high-throughput screening in structural genomics and drug discovery.