Real-time Simutaneous Separation and Detection of Chemicals using Integrated Micro Column and Surface Plasmon Resonance Imaging Micro-GC

Zijian Du, Francis Tsow, Di Wang, Nongjian Tao

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

An integrated and miniaturized Micro-Gas Chromatography with real-time imaging capability for simultaneous chemical separation and detection was developed. Surface Plasmon Resonance imaging (SPRi) was used as a sensitive and real-time imaging based detector for various gaseous chemical mixtures and good gas chromatographs were obtained. The system integrated a home-made miniaturized molecular sieve packed spiral micro-channel column with the SPRi imaging chip and real-time chemical separation and detection were demonstrated using alkanes. The chemical separation processes were simulated using COMSOL and matched well with experimental results. The system enabled the study of chemical separation processes in real-time by miniaturizing and integrating the Micro-GC separation and detection units. This approach can be expanded to multidimensional GC development.

Original languageEnglish (US)
JournalIEEE Sensors Journal
DOIs
StateAccepted/In press - Dec 14 2017

Keywords

  • chemical separation
  • Chemicals
  • Detectors
  • Gas Chromatography (GC)
  • GC column
  • GC detector
  • Imaging
  • micro-GC
  • miniturization and integration
  • Molecular sieves
  • Real-time systems
  • Separation processes
  • surface plasmon resonance imaging (SPRi)

ASJC Scopus subject areas

  • Instrumentation
  • Electrical and Electronic Engineering

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