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 Concept Videos

You might also read

Related Articles

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

Sort by
Same author

A Viral Mutation Profiling and Discovery Strategy for Sensitive Multiplex Detection of Viruses and Variants in Saliva by Proteomics.

bioRxiv : the preprint server for biology·2026
Same author

<i>N</i>-Nitrosamine Quantitation in Pharmaceuticals by Tandem Mass Spectrometry.

Analytical chemistry·2025
Same author

High-Precision Electrophoretic Mobility Measurements of Single Particles and Red Blood Cells Using High-Voltage Microfluidic Transverse AC Electrophoresis (HV-TrACE).

Analytical chemistry·2025
Same author

An unexpected degradation pathway of N-hydroxy-5-methylfuran-2-sulfonamide (BMS-986231), a pH sensitive prodrug of HNO, in a prototype formulation solution.

Journal of pharmaceutical sciences·2024
Same author

Electroneutral Layer Dynamics Drive Ion Migration in Low Frequency AC Electrophoresis Below the Water Electrolysis Threshold.

Analytical chemistry·2024
Same author

A programmatic update on COVID-19 vaccination in rural communities in the United States.

Vaccine·2024
Same journal

Microfluidic rare cell analysis beyond counting: workflow design from enrichment to multi-omics.

Lab on a chip·2026
Same journal

A sperm racetrack to separate sperm by swim speed.

Lab on a chip·2026
Same journal

Controlled encapsulation and droplet size prediction in two-step microfluidic double emulsions.

Lab on a chip·2026
Same journal

A particulate blood-mimicking fluid with physiological biconcave geometry for microscale hemorheology.

Lab on a chip·2026
Same journal

Multicellular sensor arrays fabricated by capillary stamping for pattern-based odor discrimination.

Lab on a chip·2026
Same journal

A real-time microfluidic surveillance system for multiplex detection of heavy metal contamination in wastewater.

Lab on a chip·2026
See all related articles

Related Experiment Video

Updated: Jun 30, 2026

Creating Sub-50 Nm Nanofluidic Junctions in PDMS Microfluidic Chip via Self-Assembly Process of Colloidal Particles
11:13

Creating Sub-50 Nm Nanofluidic Junctions in PDMS Microfluidic Chip via Self-Assembly Process of Colloidal Particles

Published on: March 13, 2016

Ionic current rectification at a nanofluidic/microfluidic interface with an asymmetric microfluidic system.

Scott A Miller1, Kathleen C Kelly, Aaron T Timperman

  • 1C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, WV 26506, USA.

Lab on a Chip
|September 25, 2008
PubMed
Summary
This summary is machine-generated.

This study introduces a simple nanofluidic-microfluidic interface for ionic current rectification using uncoated symmetric nanocapillaries. The device achieves rectification by manipulating ion concentration zones within the microchannel, offering a new approach to ionic current control.

More Related Videos

Revealing Electromechanical Control of Tissue Homeostasis Using a Two-Layer Microfluidic Device
11:08

Revealing Electromechanical Control of Tissue Homeostasis Using a Two-Layer Microfluidic Device

Published on: September 19, 2025

Separating Beads and Cells in Multi-channel Microfluidic Devices Using Dielectrophoresis and Laminar Flow
09:45

Separating Beads and Cells in Multi-channel Microfluidic Devices Using Dielectrophoresis and Laminar Flow

Published on: February 4, 2011

Related Experiment Videos

Last Updated: Jun 30, 2026

Creating Sub-50 Nm Nanofluidic Junctions in PDMS Microfluidic Chip via Self-Assembly Process of Colloidal Particles
11:13

Creating Sub-50 Nm Nanofluidic Junctions in PDMS Microfluidic Chip via Self-Assembly Process of Colloidal Particles

Published on: March 13, 2016

Revealing Electromechanical Control of Tissue Homeostasis Using a Two-Layer Microfluidic Device
11:08

Revealing Electromechanical Control of Tissue Homeostasis Using a Two-Layer Microfluidic Device

Published on: September 19, 2025

Separating Beads and Cells in Multi-channel Microfluidic Devices Using Dielectrophoresis and Laminar Flow
09:45

Separating Beads and Cells in Multi-channel Microfluidic Devices Using Dielectrophoresis and Laminar Flow

Published on: February 4, 2011

Area of Science:

  • Nanofluidics
  • Microfluidics
  • Electrokinetics

Background:

  • Ionic current rectification is crucial for various applications, often requiring complex nanochannel geometries or surface modifications.
  • Previous methods for ionic current rectification involved differential coatings or conical nanopores.

Purpose of the Study:

  • To demonstrate ionic current rectification using a simple nanofluidic-microfluidic interface with uncoated symmetric nanocapillaries.
  • To investigate the role of solution conductivity in achieving rectification.
  • To propose a mechanism for rectification based on ion concentration zones.

Main Methods:

  • Fabrication of a nanofluidic-microfluidic interface using nanocapillary membranes (NCMs) with symmetric channels.
  • Integration of NCMs between a microfluidic channel and a solution reservoir.
  • Systematic variation of solution conductivity in the microchannel to observe current rectification effects.

Main Results:

  • Achieved ionic current rectification using uncoated symmetric nanocapillaries, a significant simplification over prior methods.
  • Demonstrated that solution conductivity is critical for achieving distinct low ('off' state) and high ('on' state) current levels.
  • Observed low 'off' state currents attributed to ion depletion zones and high 'on' state currents to enhanced ionic concentration zones in the microchannel.

Conclusions:

  • The developed nanofluidic-microfluidic interface effectively rectifies ionic current without complex surface modifications or geometries.
  • Solution conductivity plays a pivotal role in modulating ion concentration and depletion zones, enabling current rectification.
  • This simplified approach offers a promising platform for developing advanced ionic devices and sensors.