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Research output: Unpublished conference presentation (presented paper, abstract, poster)Conference presentation (not published in journal/proceeding/book)Academic researchpeer-review

2 Citations (Scopus)

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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