Smell the change: On the potential of gas-chromatographic ion mobility spectrometry in ecosystem monitoring

Ecology and Evolution
Wolfgang VautzMaximilian Weigend

Abstract

Plant volatile organic compounds (pVOCs) are being recognized as an important factor in plant-environment interactions. Both the type and amount of the emissions appear to be heavily affected by climate change. A range of studies therefore has been directed toward understanding pVOC emissions, mostly under laboratory conditions (branch/leaf enclosure). However, there is a lack of rapid, sensitive, and selective analytical methods, and therefore, only little is known about VOC emissions under natural, outdoor conditions. An increased sensitivity and the identification of taxon-specific patterns could turn VOC analysis into a powerful tool for the monitoring of atmospheric chemistry, ecosystems, and biodiversity, with far-reaching relevance to the impact of climate change on pVOCs and vice versa. This study for the first time investigates the potential of ion mobility spectrometry coupled to gas-chromatographic preseparation (GC-IMS) to dramatically increase sensitivity and selectivity for continuous monitoring of pVOCs and to discriminate contributing plant taxa and their phenology. Leaf volatiles were analyzed for nine different common herbaceous plants from Germany. Each plant turned out to have a characteristic metabolite pat...Continue Reading

References

Sep 1, 2005·Analytical and Bioanalytical Chemistry·J I Baumbach
Jan 31, 2006·The Plant Journal : for Cell and Molecular Biology·Dorothea ThollJörg-Peter Schnitzler
May 16, 2009·Science·Josep PeñuelasIolanda Filella
Jan 26, 2010·Trends in Plant Science·Josep Peñuelas, Michael Staudt
Jun 26, 2015·Global Change Biology·Eleanor C LahrMatthew R Watson
Nov 8, 2015·Global Change Biology·Laura A Burkle, Justin B Runyon
Dec 24, 2015·Applications in Plant Sciences·Dušan MaterićVincent Gauci
Jun 1, 2015·The Journal of Applied Ecology·Michael J O PocockDavid B Roy

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Software Mentioned

qIMS
ISAS
IMS
GC
IONysos

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