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Bilayer Microfluidic Device for Combinatorial Plug Production
Published on: December 1, 2023
Microfluidic device for robust generation of two-component liquid-in-air slugs with individually controlled
Kan Liu1, Yi-Chun Chen, Hsian-Rong Tseng
1Department of Molecular & Medical Pharmacology, Crump Institute for Molecular Imaging, California NanoSystems Institute, David Geffen School of Medicine, University of California, Los Angeles, 570 Westwood Plaza, Los Angeles, CA 90095 USA.
Microfluidics and Nanofluidics
|October 9, 2010
Summary
This study introduces a novel microfluidic method for precisely controlling liquid slug size and composition. This technique allows for individual slug customization, advancing screening applications and precious reagent use.
Area of Science:
- Microfluidics
- Chemical Engineering
- Biotechnology
Background:
- Liquid slugs in microfluidics offer precise control for various applications.
- Screening applications require adjustable slug size and composition.
- Existing methods lack individual control over slug parameters.
Purpose of the Study:
- To develop a microfluidic approach for generating individually controlled liquid slugs.
- To enable precise control over slug size and composition for screening and precious reagent applications.
Main Methods:
- A novel microfluidic chip design utilizing two closed air chambers and microvalves.
- Reagents are metered into air chambers, with pressure controlling volume and thus slug size.
- Two-component slugs are formed end-to-end and propelled to induce mixing.
Main Results:
- Demonstrated creation of slugs with individually selected size and composition.
- Characterized the performance of the slug generation chip.
- Showcased robust operation with diverse liquids and small sample volumes.
Conclusions:
- The developed microfluidic approach provides precise, individual control over liquid slug parameters.
- This method is suitable for high-throughput screening and applications involving precious reagents, such as radiolabeling for PET imaging.
