Hydrodynamically Focused Particle Filtration Using an Island Structure

Title
Hydrodynamically Focused Particle Filtration Using an Island Structure
Authors
이강선김충안병욱강지윤Kwang W. Oh
Keywords
Hydrodynamic focusing; Particle filtration; Separation; Microfluidics
Issue Date
2009-12
Publisher
BioChip Journal
Citation
VOL 3, NO 4, 275-280
Abstract
We propose a particle filtration method based on hydrodynamic focusing. Three microchannels associated for the filtration were networked with an island structure to control a boundary to limit particle sizes. By adjusting the ratios of hydraulic resistances of the three microchannels, the boundary distance was controlled. Using hydrodynamic focusing in the microfluidic network, we have successfully designed and tested the device to filtrate particles of 10 μm and 20 μm. The proposed method can continuously separate particles by size. Thus, the proposed separation method can be applicable for many fields in biology and biomedical engineering.
URI
http://pubs.kist.re.kr/handle/201004/36956
ISSN
1976-0280
Appears in Collections:
KIST Publication > Article
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