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A quantitative fluorescence intensity method to measure sub-picogram injection amount for tiny cell injection

  • Y. T. Chow
  • , S. Chen
  • , D. Sun
  • , C. W. Kong
  • , R. A. Li
  • , S. H. Cheng

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

1 Citation (Scopus)

Abstract

We present a method for characterizing injection volume of the robotic cell injection system through measuring fluorescence intensity of the injected cell. The relationship of the concentration of the fluorescence dye and the fluorescence intensity was found to be linear, which was confirmed by measuring the cell-morphology-like droplets. The droplet was generated by dispensing in a mineral oil filled microfluidic cell holder. Human foreskin fibroblast (HFF) was injected with known concentration of fluorescence dye. The injection amount was determined by relating the fluorescence intensity of the injected cell and that of the droplet in mineral oil. The measured injection amount was compared with the volumetric change of the droplet to verify the accuracy of the proposed method.

Original languageEnglish
Title of host publicationIEEE-NANO 2015 - 15th International Conference on Nanotechnology
Pages1019-1022
Number of pages4
ISBN (Electronic)9781467381550
DOIs
Publication statusPublished - 2015
Externally publishedYes
Event15th IEEE International Conference on Nanotechnology, IEEE-NANO 2015 - Rome, Italy
Duration: 27 Jul 2015 → 30 Jul 2015

Publication series

NameIEEE-NANO 2015 - 15th International Conference on Nanotechnology

Conference

Conference15th IEEE International Conference on Nanotechnology, IEEE-NANO 2015
Country/TerritoryItaly
CityRome
Period27/07/15 → 30/07/15

Keywords

  • fluorescence microscopy
  • microfluidics
  • Quantitative microinjection

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