An electrokinetically driven micro liquid piston for leak-tight gas pumping.
Where this comes from
- Record sourced from PubMed, PMID 22760597.
- Also identified by DOI 10.1039/c2lc40316a.
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Abstract
This paper presents a gas pumping technique demonstrating an electrokinetically driven liquid piston, which can provide a complete sealing in a microfluidic channel by fully wetting the inner surface without leaving any void spots. The liquid piston can push or pull a gaseous medium very effectively by not allowing any backflow. Successful leak-tight gas pumping with zero dead volume has been achieved.