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Related Concept Videos

Capillary Electrophoresis: Applications01:30

Capillary Electrophoresis: Applications

Capillary electrophoretic separations offer various modes, each with unique applications. These modes include capillary zone electrophoresis, capillary gel electrophoresis, capillary array electrophoresis, capillary isoelectric focusing, capillary isotachophoresis, micellar electrokinetic chromatography, and capillary electrochromatography.
Capillary zone electrophoresis (CZE) separates ionic components based on their electrophoretic mobility. It has been used to separate proteins, amino acids,...

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Separating Beads and Cells in Multi-channel Microfluidic Devices Using Dielectrophoresis and Laminar Flow
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Titanium-based dielectrophoresis devices for microfluidic applications.

Y T Zhang1, F Bottausci, M P Rao

  • 1Mechanical and Environmental Engineering Department, University of California, Santa Barbara (UCSB), Santa Barbara, CA 93106, USA. zhyt@engr.ucsb.edu

Biomedical Microdevices
|January 25, 2008
PubMed
Summary
This summary is machine-generated.

Titanium microfabrication enables novel microfluidic devices for particle manipulation. These metallic dielectrophoresis devices demonstrate advanced particle separation and flow visualization, overcoming limitations of traditional materials.

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Area of Science:

  • Microfluidics
  • Materials Science
  • Biotechnology

Background:

  • Traditional microfluidic materials like silicon, glass, and polymers have limitations.
  • Metallic materials offer advantages such as fracture toughness, thermal stability, and solvent resistance for microfluidics.
  • Exploitation of metallic materials in microfluidics has been limited due to fabrication challenges.

Purpose of the Study:

  • To present the application of titanium micromachining and multilayer lamination for microfluidic device fabrication.
  • To demonstrate the use of metallic materials in dielectrophoresis (DEP) devices for microfluidic particle manipulation.
  • To introduce novel device designs for enhanced microfluidic control.

Main Methods:

  • Utilized advanced titanium micromachining techniques.
  • Employed multilayer lamination for device fabrication.
  • Developed two distinct dielectrophoresis device designs with integrated electrodes.

Main Results:

  • Successfully fabricated microfluidic dielectrophoresis devices using titanium.
  • Demonstrated two-frequency particle separation within the microfluidic channels.
  • Achieved Z-dimensional flow visualization of dielectrophoresis phenomena.

Conclusions:

  • Titanium is a viable and advantageous material for microfluidic device fabrication.
  • The developed fabrication techniques enable the creation of sophisticated microfluidic particle manipulation devices.
  • The demonstrated capabilities open new avenues for microfluidic applications in particle separation and analysis.