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

Transport dynamics in open microfluidic grooves.

Jean-Christophe Baret1, Michel M J Decré, Stephan Herminghaus

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

Langmuir : the ACS Journal of Surfaces and Colloids
|March 24, 2007
PubMed
Summary

Researchers demonstrate reversible liquid transport in microscopic grooves by controlling liquid filament shapes. Electrowetting allows on-demand movement, transitioning between droplets and filaments based on contact angle and liquid properties.

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
  • Materials Science
  • Fluid Dynamics

Background:

  • Microscopic grooves exhibit diverse liquid wetting morphologies based on wettability and geometry.
  • Controlling these morphologies allows for novel liquid manipulation techniques.

Purpose of the Study:

  • To investigate the reversible transport of liquids within microscopic rectangular grooves.
  • To study the dynamics of liquid filaments advancing and receding in grooves using electrowetting.
  • To understand the factors influencing liquid filament behavior and transport.

Main Methods:

  • Utilized microscopic rectangular grooves with controlled wettability.
  • Employed the electrowetting effect to reversibly vary the apparent contact angle.
  • Analyzed the dynamics of advancing and receding liquid filaments.

Related Experiment Videos

Main Results:

  • Achieved reversible transitions between droplike objects and elongated liquid filaments.
  • Demonstrated on-demand liquid transport along grooves by controlling liquid morphologies.
  • Receding filament dynamics are governed by capillarity, contact angle, viscosity, and groove geometry.
  • Advancing filament length and dynamics depend on liquid ionic content and applied AC voltage.

Conclusions:

  • Electrowetting provides a method for precise, on-demand liquid transport in microgrooves.
  • Understanding the distinct dynamics of advancing and receding filaments is crucial for microfluidic applications.
  • The ionic content and applied voltage offer additional control over liquid filament advancement.