Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Electroactuation of fluid using topographical wetting transitions.

Jean-Christophe Baret1, Michel Decré, Stephan Herminghaus

  • 1Philips Research Laboratories Eindhoven, Prof. Holstlaan 4, 5656 AA Eindhoven, The Netherlands.

Langmuir : the ACS Journal of Surfaces and Colloids
|December 14, 2005
PubMed
Summary

Researchers control liquid shapes on structured surfaces using electrowetting. This allows reversible switching between liquid filaments in grooves and macroscopic drops, with filament length tunable by liquid ionic content.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Influence of PLIN5 and lipid composition on lipid droplet contact sites with other organelles.

Biochemistry and biophysics reports·2025
Same author

Exploring the gap between theory and experiment at the three-phase contact line of polystyrene droplets on soft PDMS.

Scientific reports·2025
Same author

Confocal Absorbance-Activated Droplet Sorting (cAADS) for Enzyme Engineering.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2025
Same author

Run-and-tumble dynamics of active giant vesicles.

Soft matter·2025
Same author

Light-Responsive Mononucleotide Coacervates.

Chemistry (Weinheim an der Bergstrasse, Germany)·2025
Same author

Natural products chlorotonils exert a complex antibacterial mechanism and address multiple targets.

Cell chemical biology·2025

Area of Science:

  • Physics and Materials Science
  • Microfluidics and Surface Science

Background:

  • Complex liquid morphologies on structured substrates are crucial for microfluidic applications.
  • Controlling liquid behavior in open microchannels is essential for various technologies.

Purpose of the Study:

  • To investigate the reversible control of liquid states on topographically structured substrates.
  • To explore the influence of electrowetting on liquid confinement and filament formation.
  • To quantitatively model the factors affecting liquid filament length.

Main Methods:

  • Utilizing the electrowetting effect to manipulate liquid behavior.
  • Fabricating microchannels with specific topographic structures.
  • Analyzing liquid confinement in grooves versus droplet formation.

Related Experiment Videos

  • Developing an electrical model to describe filament length dependence on ionic content.

    • Main Results:

    • Demonstrated reversible switching between confined liquid filaments and macroscopic drops.
    • Identified liquid ionic content as a key factor influencing filament length.
    • Quantitatively described filament length using an electrical model incorporating voltage drop.

    Conclusions:

    • Electrowetting provides effective control over liquid actuation in microchannels.
    • Liquid filament length is predictable and tunable via ionic concentration and electrical parameters.
    • The findings enable precise manipulation of liquids in microfluidic devices.