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A new micro flow cytometer using optically-induced dielectrophoretic forces for continuous microparticle counting and sorting

  • Yen Heng Lin
  • , Gwo Bin Lee*
  • *Corresponding author for this work
  • National Cheng Kung University
  • Industrial Technology Research Institute of Taiwan

Research output: Contribution to conferenceConference Paperpeer-review

1 Scopus citations

Abstract

This paper reports a new microfluidic device, optically-induced flow cytometry, capable of continuously counting and sorting microparticles based on optically-induced dielectrophoretic forces. Microparticles can be first successfully focused into a narrow line by using "virtual electrodes" generated by digital projectors. 9.7-and 20.9-μm microparticles can be then distinguished by embedded optical fibers. Finally, an optically-induced dynamic switch can sort microparticles with different sizes continuously. The development of the microfluidic chip may provide a useful platform for microparticle counting and sorting.

Original languageEnglish
Pages1955-1957
Number of pages3
StatePublished - 2008
Externally publishedYes
Event12th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2008 - San Diego, CA, United States
Duration: 12 10 200816 10 2008

Conference

Conference12th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2008
Country/TerritoryUnited States
CitySan Diego, CA
Period12/10/0816/10/08

Keywords

  • Flow cytometry
  • Optically-induced dielectrophoresis
  • Particle sorting

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