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

Patterning flows using grooved surfaces.

Abraham D Stroock1, Stephan K Dertinger, George M Whitesides

  • 1Department of Chemistry and Chemical Biology, Harvard University, Cambridge Massachusetts 02138, USA.

Analytical Chemistry
|October 31, 2002
PubMed
Summary
This summary is machine-generated.

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

An Optical Reporting Patch for Spatiotemporal Measurements of Water Activity in Complex Environments.

Analytical chemistry·2026
Same author

Design and evaluation of low-cost, DIY programmable tissue processor for solvent exchange in biological sample preparation.

PloS one·2026
Same author

Loss of conductance between mesophyll symplasm and intercellular air spaces explains nonstomatal control of transpiration.

Proceedings of the National Academy of Sciences of the United States of America·2025
Same author

In situ foliar augmentation of multiple species for optical phenotyping and bioengineering using soft robotics.

Science robotics·2025
Same author

A unified framework for hydromechanical signaling can explain transmission of local and long-distance signals in plants.

Proceedings of the National Academy of Sciences of the United States of America·2025
Same author

Transdisciplinary Collaborations for Advancing Sustainable and Resilient Agricultural Systems.

Global change biology·2025
Same journal

Heterojunction Gate-Empowered OPECT Aptasensing: A Valid Protocol for Realizing High Current Gain at Low Electron Donor Dependency.

Analytical chemistry·2026
Same journal

Development of a Tapping-Mode Scanning Probe Electrospray Ionization Platform for High-Sensitivity and Long-Term Stability in Single-Cell Mass Spectrometry Imaging of Tissue.

Analytical chemistry·2026
Same journal

A Solid-State Near-Infrared Fluorescent Probe by a Synergistic Extended Conjugated System for Detecting Cys with Long-Term Imaging in Orthotopic Bladder Cancer.

Analytical chemistry·2026
Same journal

Air-Based Porous Array Dielectric Barrier Discharge Ionization Source for Explosive Trace Detection.

Analytical chemistry·2026
Same journal

PSAQ<sup>+1</sup>: Absolute Protein Quantification Using a <sup>13</sup>C<sub>1</sub>-Labeled Protein Standard, Coisolation of Peptide Pairs and LC-PRM.

Analytical chemistry·2026
Same journal

Heterojunction-Enhanced Interfacial Evanescent-Tunable Fiber Optic Probe for Amplification-free CRISPR/Cas12a-Based Rapid and Ultrasensitive Detection of MPXV.

Analytical chemistry·2026
See all related articles

Researchers modeled pressure-driven flows over grooved surfaces, revealing how these surfaces create transverse flow components. This analysis guides the design of 3D flows for applications like microfluidics and stream control.

Area of Science:

  • Fluid dynamics
  • Surface science
  • Microfluidics

Background:

  • Flows over grooved surfaces are common in nature and engineering.
  • Understanding transverse flow components is crucial for flow control.
  • Existing models may not fully capture the behavior of pressure-driven flows on grooved surfaces.

Purpose of the Study:

  • To analytically describe the development of transverse flow components over grooved surfaces.
  • To model these flows using anisotropic effective boundary conditions for shallow grooves.
  • To provide a design guide for 3D flows with grooved regions.

Main Methods:

  • Development of a simple analytical description for pressure-driven flows.
  • Modeling transverse flow components with anisotropic effective boundary conditions.

Related Experiment Videos

  • Experimental validation of the analytical model.

    • Main Results:

    • Quantification of transverse flow components generated by pressure-driven flows on grooved surfaces.
    • Demonstration that shallow grooves can be modeled using anisotropic effective boundary conditions.
    • Observation of helical recirculation in channels with grooved walls.

    Conclusions:

    • The analytical model provides a workable guide for designing 3D flows with grooved regions.
    • Applications include controlling stream position and promoting mixing in channels.
    • Potential for significant impact in microfluidics design and applications.