Jove
Visualize
Contact Us

Related Experiment Videos

3-D electrode designs for flow-through dielectrophoretic systems.

Benjamin Y Park1, Marc J Madou

  • 1Mechanical and Aerospace Engineering, University of California, Irvine, Irvine, CA 92697-3975, USA.

Electrophoresis
|September 10, 2005
PubMed
Summary

Three-dimensional (3D) electrode designs overcome limitations in dielectrophoretic separation by extending electric fields. This enables high-throughput systems for particle separation and filtration, demonstrated by nanofibrous carbon extraction.

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

Scalable Ni-Based Diffusion Synthesis of Highly Graphitic Nanointerlaced and Photopatternable Material with Fast Charge Transfer Kinetics.

Langmuir : the ACS journal of surfaces and colloids·2026
Same author

Interplay of the Mass Transport and Reaction Kinetics for Lateral Flow Immunoassay Integrated on Lab-on-Disc.

Sensors (Basel, Switzerland)·2025
Same author

Nanomaterials in PCR: exploring light-to-heat conversion mechanisms and microfluidic integration.

Microsystems & nanoengineering·2025
Same author

Recent Advances in MOF-Based Materials for Biosensing Applications.

Sensors (Basel, Switzerland)·2025
Same author

Low-cost optical sensors in electrified lab-on-a-disc platforms: liquid-phase boundary detection and automated diagnostics.

Microsystems & nanoengineering·2025
Same author

Electrochemical sensors: Types, applications, and the novel impacts of vibration and fluid flow for microfluidic integration.

Biosensors & bioelectronics·2025
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

Area of Science:

  • Microfluidics
  • Biotechnology
  • Materials Science

Background:

  • Traditional planar microelectrodes for dielectrophoresis (DEP) suffer from rapid electric field decay.
  • Advances in carbon microelectromechanical systems (MEMS) facilitate the creation of complex 3D structures.
  • 3D electrode designs offer novel solutions for microscale manipulation and separation.

Purpose of the Study:

  • To investigate the application of 3D electrode designs for enhanced dielectrophoretic separation, concentration, and filtration.
  • To explore how 3D electrode geometries can extend electric fields and optimize fluid dynamics for DEP applications.
  • To introduce novel 3D electrode designs beyond simple extensions of 2D planar configurations.

Main Methods:

  • Simulation and analysis of electric field and velocity distributions for various 3D electrode designs.

Related Experiment Videos

  • Development of two novel 3D electrode configurations not based on traditional 2D planar designs.
  • Fabrication and testing of a proof-of-concept device utilizing 3D electrodes for particle extraction.

    • Main Results:

    • 3D electrode designs effectively extend the electric field penetration depth within the fluid medium.
    • Optimized 3D electrode designs allow for the alignment of velocity and electric fields, enhancing manipulation efficiency.
    • Demonstrated successful extraction of nanofibrous carbon from canola oil using a 3D electrode-based microfluidic device.

    Conclusions:

    • 3D electrode designs represent a significant advancement for high-throughput dielectrophoretic systems.
    • These novel designs overcome the limitations of planar electrodes, enabling more efficient separation, concentration, and filtration.
    • The proof-of-concept demonstrates the practical utility of 3D electrodes in real-world applications like contaminant removal.