SPME-based mobile field device for active sampling of volatiles

Alexander G. Fung, Mei S. Yamaguchi, Mitchell M. McCartney, Alexander A. Aksenov, Alberto Pasamontes, Cristina E Davis

Research output: Contribution to journalArticle

Abstract

Monitoring plant volatile organic compound (VOC) profiles can reveal information regarding the health state of the plant, such as whether it is nutrient stressed or diseased. Typically, plant VOC sampling uses sampling enclosures. Enclosures require time and equipment which are not easily adapted to high throughput sampling in field environments. We have developed a new, easily assembled active sampling device using solid phase microextraction (SPME) that uses a commercial-off-the-shelf (COTS) hand vacuum base to provide rapid and easy mobile plant VOC collection. Calibration curves for three representative plant VOCs (α‑pinene, limonene, and ocimene) were developed to verify device functionality and enable the quantification of field-samples from a Meyer lemon tree. We saw that the active sampling allowed us to measure and quantify this chemical in an orchard setting. This device has the potential to be used for VOC sampling as a preliminary diagnostic in precision agriculture applications due to its ease of manufacturing, availability, and low cost of the COTS hand vacuum module.

Original languageEnglish (US)
Pages (from-to)407-413
Number of pages7
JournalMicrochemical Journal
Volume146
DOIs
StatePublished - May 1 2019

Fingerprint

Volatile Organic Compounds
Sampling
Enclosures
Vacuum
Orchards
Volatile organic compounds
Agriculture
Nutrients
Throughput
Health
Availability
Calibration
Monitoring
Costs

Keywords

  • Active sampling
  • Gas chromatography mass spectrometry (GC/MS)
  • Plant volatiles
  • Solid phase microextraction (SPME)
  • Volatile organic compounds (VOCs)

ASJC Scopus subject areas

  • Analytical Chemistry
  • Spectroscopy

Cite this

Fung, A. G., Yamaguchi, M. S., McCartney, M. M., Aksenov, A. A., Pasamontes, A., & Davis, C. E. (2019). SPME-based mobile field device for active sampling of volatiles. Microchemical Journal, 146, 407-413. https://doi.org/10.1016/j.microc.2019.01.012

SPME-based mobile field device for active sampling of volatiles. / Fung, Alexander G.; Yamaguchi, Mei S.; McCartney, Mitchell M.; Aksenov, Alexander A.; Pasamontes, Alberto; Davis, Cristina E.

In: Microchemical Journal, Vol. 146, 01.05.2019, p. 407-413.

Research output: Contribution to journalArticle

Fung, AG, Yamaguchi, MS, McCartney, MM, Aksenov, AA, Pasamontes, A & Davis, CE 2019, 'SPME-based mobile field device for active sampling of volatiles', Microchemical Journal, vol. 146, pp. 407-413. https://doi.org/10.1016/j.microc.2019.01.012
Fung, Alexander G. ; Yamaguchi, Mei S. ; McCartney, Mitchell M. ; Aksenov, Alexander A. ; Pasamontes, Alberto ; Davis, Cristina E. / SPME-based mobile field device for active sampling of volatiles. In: Microchemical Journal. 2019 ; Vol. 146. pp. 407-413.
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