Abstract

A hybrid sensor for monitoring volatile organic compounds in air is developed. The device combines two orthogonal sensing principles, selective molecular binding with a microfabricated quartz tuning fork detector and separation of analytes with a column. The tuning fork detector is functionalized with molecular imprinted polymers for selective binding to benzene, toluene, ethylbenzene, and xylenes (BTEX), and the separation column provides further discrimination of the analytes for real world complex sample analysis. The device is wireless, portable, battery-powered, and cell-phone operated, and it allows reliable detection in parts per billion by volume-levels of BTEX in the presence of complex interferents. The hybrid device is suitable for occupational, environmental health, and epidemiological applications.

Original languageEnglish (US)
Article number6409378
Pages (from-to)1748-1755
Number of pages8
JournalIEEE Sensors Journal
Volume13
Issue number5
DOIs
StatePublished - 2013

Fingerprint

Hybrid sensors
Ethylbenzene
volatile organic compounds
Xylene
Chemical sensors
Volatile organic compounds
Toluene
Benzene
forks
Tuning
xylene
Detectors
toluene
sensors
tuning
benzene
Quartz
detectors
Health
health

Keywords

  • Air quality monitoring
  • chemical sensors
  • environmental monitoring
  • environmental sensors
  • volatile organic compounds (VOCs)
  • wireless sensors

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Instrumentation

Cite this

A wireless hybrid chemical sensor for detection of environmental volatile organic compounds. / Chen, Cheng; Tsow, Francis; Campbell, Katherine Driggs; Iglesias, Rodrigo; Forzani, Erica; Tao, Nongjian.

In: IEEE Sensors Journal, Vol. 13, No. 5, 6409378, 2013, p. 1748-1755.

Research output: Contribution to journalArticle

Chen, Cheng ; Tsow, Francis ; Campbell, Katherine Driggs ; Iglesias, Rodrigo ; Forzani, Erica ; Tao, Nongjian. / A wireless hybrid chemical sensor for detection of environmental volatile organic compounds. In: IEEE Sensors Journal. 2013 ; Vol. 13, No. 5. pp. 1748-1755.
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