Related Experiment Video
Updated: May 5, 2026
09:45
Separating Beads and Cells in Multi-channel Microfluidic Devices Using Dielectrophoresis and Laminar Flow
Published on: February 4, 2011
30.1K
A low temperature Co-fired ceramic-based dielectrophoretic device for manipulating micro and nanostructure materials.
Ji-Yun Seon1, Young Joon Yoon, Jaekyoung Choi
1Nano-Convergence Intelligence Material Team, Korea Institute of Ceramic Engineering and Technology, Seoul 153-801, Korea.
Journal of Nanoscience and Nanotechnology
|November 20, 2013
Summary
This study presents a dielectrophoretic (DEP) device using low-temperature co-fired ceramics (LTCC) for micro/nanomaterial manipulation. The device demonstrates effective separation and trapping of various particles via controlled electric fields.
Area of Science:
- Microfluidics
- Materials Science
- Electrical Engineering
Background:
- Dielectrophoresis (DEP) is a technique used for manipulating micro/nanoparticles.
- Conventional fabrication methods can be costly and complex.
- Low Temperature Co-fired Ceramics (LTCC) offer a potential alternative for fabricating microdevices.
Purpose of the Study:
- To develop and characterize a novel dielectrophoretic (DEP) device using LTCC.
- To investigate the manipulation of micro and nanostructure materials.
- To evaluate the device's performance in separation and trapping applications.
Main Methods:
- Fabrication of a DEP device using a conventional LTCC process.
- Application of a castellated electrode configuration via screen printing to generate non-uniform electric fields.
- Observation and comparison of micro/nanomaterial motion under DEP forces with numerical simulations.
Main Results:
- Successful fabrication of an LTCC-based DEP device.
- Demonstrated manipulation of polystyrene microspheres, TiO2 nanotubes, and Ag nanowires.
- Validation of experimental observations with numerical simulations of electric field distribution.
Conclusions:
- The LTCC-based DEP device is effective for manipulating micro and nanostructure materials.
- The device shows potential for particle separation and trapping applications.
- LTCC offers a viable and potentially cost-effective platform for DEP device fabrication.
