Plastic microchip flow cytometer based on 2- and 3-dimensional hydrodynamic flow focusing

Seok Chung, S. J. Park, J. K. Kim, C. Chung, D. C. Han, J. K. Chang

Research output: Contribution to journalArticle

60 Citations (Scopus)

Abstract

This paper deals with design and fabrication of 2- and 3- dimensional microchip type flow cytometers hydrodynamically driven. Flow rate and pressure distrubution have been calculated from Poiseuille flow theory and results were confirmed by computational fluid dynamics. The flow focusing has been evaluated in 2- and 3-dimensional microchip type flow cytometers fabricated with Polydimetylsiloxane molding process. The shape of focused flow was detected with a laser scanning microscope and favourably compared with calculations based on Poiseuille flow assumptions and CFD (Computational Fluid Dynamics) simulation. Simulation and calculation results showed good correlations to each other, and also to the visualized shape of focused flow in microchip. The 3-dimensional focused flow showed the more stable focusing status in laser induced fluorescence measurements than that in 2-dimensional case.

Original languageEnglish
Pages (from-to)525-533
Number of pages9
JournalMicrosystem Technologies
Volume9
Issue number8
DOIs
Publication statusPublished - 2003 Oct 1
Externally publishedYes

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plastic flow
Plastic flow
Computational fluid dynamics
Hydrodynamics
hydrodynamics
Lasers
Molding
Microscopes
Fluorescence
Flow rate
computational fluid dynamics
Scanning
laminar flow
Fabrication
Computer simulation
flow theory
laser induced fluorescence
simulation
flow velocity
microscopes

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Instrumentation

Cite this

Plastic microchip flow cytometer based on 2- and 3-dimensional hydrodynamic flow focusing. / Chung, Seok; Park, S. J.; Kim, J. K.; Chung, C.; Han, D. C.; Chang, J. K.

In: Microsystem Technologies, Vol. 9, No. 8, 01.10.2003, p. 525-533.

Research output: Contribution to journalArticle

Chung, Seok ; Park, S. J. ; Kim, J. K. ; Chung, C. ; Han, D. C. ; Chang, J. K. / Plastic microchip flow cytometer based on 2- and 3-dimensional hydrodynamic flow focusing. In: Microsystem Technologies. 2003 ; Vol. 9, No. 8. pp. 525-533.
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