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

Streaming currents in a single nanofluidic channel.

Frank H J van der Heyden1, Derek Stein, Cees Dekker

  • 1Kavli Institute of Nanoscience, Delft University of Technology, Lorentzweg 1, 2628 CJ Delft, The Netherlands.

Physical Review Letters
|October 4, 2005
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

Using blood donor surveillance and clinical case data to shape our understanding of Babesia epidemiology in Manitoba, Canada.

Transfusion·2026
Same author

Terminal Conjugation Enables Nanopore Sequencing of Peptides.

Journal of the American Chemical Society·2026
Same author

Two CTCF motifs impede cohesin-mediated DNA loop extrusion.

Molecular cell·2025
Same author

Complete genome sequences of two <i>Treponema pallidum</i> subsp. <i>pallidum</i> specimens from Canadian patients.

Microbiology resource announcements·2025
Same author

Canadian Public Health Laboratory Network (CPHLN) Diagnostic Recommendations for Neurosyphilis in Canada.

Journal of the Association of Medical Microbiology and Infectious Disease Canada = Journal officiel de l'Association pour la microbiologie medicale et l'infectiologie Canada·2025
Same author

Canadian Public Health Laboratory Network National Syphilis In-Laboratory Serological Testing Recommendations.

Journal of the Association of Medical Microbiology and Infectious Disease Canada = Journal officiel de l'Association pour la microbiologie medicale et l'infectiologie Canada·2025
Same journal

Erratum: Bacterial Turbulence at Compressible Fluid Interfaces [Phys. Rev. Lett. 136, 138301 (2026)].

Physical review letters·2026
Same journal

Unveiling Light-Quark Yukawa Flavor Structure via Dihadron Fragmentation at Lepton Colliders.

Physical review letters·2026
Same journal

Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols.

Physical review letters·2026
Same journal

Topological Transition and Emergence of Elasticity of Dislocation in Skyrmion Lattice: Beyond Kittel's Magnetic-Polar Analogy.

Physical review letters·2026
Same journal

Pound-Drever-Hall Method for Superconducting-Qubit Readout.

Physical review letters·2026
Same journal

Coupling a ^{73}Ge Nuclear Spin to an Electrostatically Defined Quantum Dot in Silicon.

Physical review letters·2026
See all related articles

We measured streaming current in silica nanochannels. Electrical current from liquid flow depends on channel size, pressure, and salt concentration, matching nonlinear models.

Area of Science:

  • Electrokinetics
  • Nanofluidics
  • Surface Science

Background:

  • Streaming current is an electrical signal generated by fluid flow in channels.
  • Understanding electrokinetic phenomena in nanochannels is crucial for microfluidic devices.
  • Silica surfaces exhibit complex electrical behavior influenced by ionic solutions.

Purpose of the Study:

  • To quantify streaming current in silica nanochannels of varying heights.
  • To investigate the influence of pressure gradients, salt concentration, and surface charge on streaming current.
  • To validate theoretical models for electrokinetic transport in nanoscale confinements.

Main Methods:

  • Fabrication of rectangular silica nanochannels with heights down to 70 nm.
  • Precise measurement of streaming current under controlled pressure-driven flow.

Related Experiment Videos

  • Systematic variation of electrolyte concentration and surface charge conditions.
  • Comparison of experimental data with nonlinear Poisson-Boltzmann theory.

    • Main Results:

    • Streaming current is directly proportional to the applied pressure gradient.
    • Streaming current increases with increasing nanochannel height.
    • Streaming current remains constant at low salt concentrations (<10 mM) and decreases at higher concentrations.
    • Reversal of streaming current observed upon changing the sign of the silica surface charge.

    Conclusions:

    • Experimental data align well with nonlinear Poisson-Boltzmann theory.
    • The salt-dependent hydration of the silica surface is a key factor in modeling streaming current.
    • This study provides fundamental insights into electrokinetic transport in nanochannels.