Laser-scanning flow cytometer with a three-dimensional microfluidic chip

Shingo Imanishi, Motohiro Furuki, Masataka Shinoda, Yohei Morita, Yuji Yamazaki, Hiromitsu Nakauchi

Research output: Contribution to conferencePaperpeer-review

Abstract

We have developed a new flow cytometer utilizing a three-dimensional (3D) microfluidic disposable plastic chip and real-time multi-spectral deconvolution analysis. The chip has microfluidic channels where sample particles flow down in the center of each channel. Three laser diodes (LDs) are used, of which the laser beams are scanned with a polygonal mirror, and only the centers of the microfluidic channels are irradiated with pulsed flashes. Emitted fluorescence light is separated in spectral distribution with a grating and is detected with a 32-arrayed photomultiplier tube (PMT). The spectral signal is deconvoluted with reference spectra of all fluorescent components.

Original languageEnglish
Pages305-307
Number of pages3
StatePublished - 2008
Event12th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2008 - San Diego, CA, United States
Duration: 2008/10/122008/10/16

Conference

Conference12th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2008
Country/TerritoryUnited States
CitySan Diego, CA
Period2008/10/122008/10/16

Keywords

  • Microfluidic chip
  • Scanning flow cytometer
  • Spectral deconvolution
  • Three-dimensional laminar flow

ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)
  • Bioengineering

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