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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Garg, A. Akbar, M. Narayanan, S. Nazhandali, L. Agah, M. |
| Copyright Year | 2014 |
| Description | Author affiliation: VT MEMS Lab., Virginia Tech, Blacksburg, VA, USA (Garg, A.; Akbar, M.; Narayanan, S.; Agah, M.) || SEPAC Lab., Virginia Tech, Blacksburg, VA, USA (Nazhandali, L.) |
| Abstract | This paper reports the development of a fully controllable micro gas chromatography (μGC) system. The system, named Zebra GC, uses a microfabricated preconcentrator (μPC) for sample collection, a microfabricated separation column with an on-chip thermal conductivity detector (μSC-TCD) for analyte separation and detection, a flow controller unit, flow and thermal management units, and user interface unit. The system has an internal flow manipulation scheme which yields sharp analyte injection from μPC to μSC-TCD with widths as narrow as 0.36 s and significantly suppresses flow variations observed by the μTCD resulting in the generation of stable chromatograms. All microfabricated components have their own on-chip heaters and sensors enabling low-power high-speed temperature control during desorption and separation phases. The performance of this ready-to-deploy Zebra GC system has been demonstrated through the analysis of a gas mixture containing aromatic volatile organic compounds (VOCs). |
| Starting Page | 673 |
| Ending Page | 676 |
| File Size | 937771 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781479901623 |
| DOI | 10.1109/ICSENS.2014.6985088 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-11-02 |
| Publisher Place | Spain |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Temperature sensors Heating Detectors Valves Loading Gas chromatography |
| Content Type | Text |
| Resource Type | Article |
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