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Displacement of particles in microfluidics by laser-generated tandem bubbles.

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Date
2010-11-01
Authors
Lautz, Jaclyn
Sankin, Georgy
Yuan, Fang
Zhong, Pei
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Abstract
The dynamic interaction between laser-generated tandem bubble and individual polystyrene particles of 2 and 10 μm in diameter is studied in a microfluidic channel (25 μm height) by high-speed imaging and particle image velocimetry. The asymmetric collapse of the tandem bubble produces a pair of microjets and associated long-lasting vortices that can propel a single particle to a maximum velocity of 1.4 m∕s in 30 μs after the bubble collapse with a resultant directional displacement up to 60 μm in 150 μs. This method may be useful for high-throughput cell sorting in microfluidic devices.
Type
Journal article
Permalink
https://hdl.handle.net/10161/3246
Published Version (Please cite this version)
10.1063/1.3511538
Publication Info
Lautz, Jaclyn; Sankin, Georgy; Yuan, Fang; & Zhong, Pei (2010). Displacement of particles in microfluidics by laser-generated tandem bubbles. Appl Phys Lett, 97(18). pp. 183701. 10.1063/1.3511538. Retrieved from https://hdl.handle.net/10161/3246.
This is constructed from limited available data and may be imprecise. To cite this article, please review & use the official citation provided by the journal.
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Scholars@Duke

Zhong

Pei Zhong

Professor in the Department of Mechanical Engineering and Materials Science
My research focuses on engineering and technology development with applications in the non-invasive or minimally invasive treatment of kidney stone disease via shock wave and laser lithotripsy, high-intensity focused ultrasound (HIFU) and immunotherapy for cancer treatment, acoustic and optical cavitation, and ultrasound neuromodulation via sonogenetics.  We are taking an integrated and translational approach that combines fundamental research with engineering and applied technol
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