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Optical detection of living cells' refractive index via buffer modulation of microfluidic chip

  • W. Z. Song
  • , X. M. Zhang
  • , L. K. Chin
  • , C. S. Lim
  • , A. Q. Liu
  • , P. H. Yap
  • , H. M. Hosseini

Research output: Unpublished conference presentation (presented paper, abstract, poster)Conference presentation (not published in journal/proceeding/book)Academic researchpeer-review

Abstract

This paper reports the measurement of single living cells' refractive index (RI) using a Fabry-Perot (FP) cavity with buffer modulation of microfluidic chip. In the experiment, a single cell is captured in the cavity, and then the spectral shift in response to the buffer change with the presence/absence of cell can be used to determine the cell's RI and size. The microfluidic chip facilitates automatic detection and makes it promising for label-free drug screening.

Original languageEnglish
Pages528-530
Number of pages3
Publication statusPublished - Nov 2006
Externally publishedYes
Event10th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2006 - Tokyo, Japan
Duration: 5 Nov 20069 Nov 2006

Conference

Conference10th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2006
Country/TerritoryJapan
CityTokyo
Period5/11/069/11/06

Keywords

  • Fabry-Perot cavity
  • Living cells
  • Optofluidic microchip
  • Refractive index

ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)
  • Bioengineering

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