Considerations on Static and Dynamic Sorptive and Adsorptive Sampling to Monitor Volatiles Emitted by Living Plants

Vercammen, Joeri; Sandra, Pat; Baltussen, Erik; Sandra, Tom; David, Frank

doi:10.1002/1521-4168(20000901)23:9<547::aid-jhrc547>3.0.co;2-7

Cited by 39 publications

(17 citation statements)

References 32 publications

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“…As explain above, sorption has clear advantages over adsorption, e.g., analytes can be desorbed at lower temperatures, and as a result, losses of thermolabile solutes and the production of artifacts or permanent adsorption of solutes due to high desorption temperatures are minimized (Griffiths et al 1999;Baltussen et al 1999b). Additionally, degradation products of PDMS can be easily identified as siloxane mass fragments (for more technical details see Baltussen et al 1998Baltussen et al , 1999aBaltussen et al , 2002Vercammen et al 2000). SBSE analysis offers several advantages to headspace analysis, as it combines the straightforward handling of SPME with the higher resolution of PDMS.…”

Section: Discussionmentioning

confidence: 99%

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New insights in analysing parasitoid attracting synomones: early volatile emission and use of stir bar sorptive extraction

et al. 2005

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Summary. It is well known that feeding by Pieris brassicae caterpillars on cabbage leaves triggers the release of volatiles that attract natural antagonists such as the parasitoid Cotesia glomerata. The temporal dynamics in the emissions of parasitoid attracting volatiles has never been elucidated in this system. In a time course experiment, caterpillar infested leaves attracted the parasitoid within one hour after infestation. At such an early stage of infestation, as much as fifty percent of the parasitoids flew towards the infested plant in a wind tunnel bioassay, while only five percent flew towards the non-infested control plant. Three hours after infestation and later, the response to the volatiles from the infested plant reached its maximum and then continued at a constantly high level for the remaining 14 hours of the experiment. Chemical analyses of volatiles collected from infested leaves at short time intervals during the first 24 hours identified a total of ten compounds, comprising green leaf volatiles, terpenoids, and a nitrile. Significant increase of emission within the first 5 hours following initial herbivory was detected for (Z)-3-hexen-1-ol, (Z)-3-hexen-1-yl acetate, cineole and benzylcyanide. Subsequently, a coupled bioassay-chemical analysis procedure was developed allowing for testing and analyzing the same sample for future identification of the bioactive compounds. This was achieved by using stir bar sorptive extraction for the analysis of solvent extracts of caterpillar-damaged leaves.

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Section: Discussionmentioning

confidence: 99%

“…Polydimethylsiloxane fibre (PDMS) and Tenax were compared to monitor volatiles emitted by living plants by means of dynamic headspace sampling (Vercammen et al 2000). Tubes packed with PDMS particles (Baltussen et al 1998) proved to be more inert than Tenax.…”

Section: Introductionmentioning

confidence: 99%

New insights in analysing parasitoid attracting synomones: early volatile emission and use of stir bar sorptive extraction

et al. 2005

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“…By use of very small sample sizes -as low as 150 µL -the amounts of free and bound drugs could easily be determined. Vercammen et al illustrated the effect of SPME fiber polarity on the enrichment of volatile solutes of different polarity [82]. The headspace of a single rose petal was analyzed by SPME with both PDMS and PA fibers.…”

Section: Solid-phase Microextractionmentioning

confidence: 99%

Sorptive sample preparation – a review

Baltussen¹,

2002

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Most sample-enrichment procedures currently available rely on adsorption of the analytes of interest by a suitable adsorbent material. Although good performance can be obtained for many practical problems, in some cases the applicability of adsorptive sample preparation falls short, particularly for the enrichment of polar and/or high-molecular-weight compounds, especially in combination with thermal desorption. Because of the very strong retention of adsorbent materials, undesired effects such as incomplete desorption and artifact formation are observed. Polar solutes are easily adsorbed but readily undergo surface-catalyzed reactions and on desorption yield compounds different than those originally sampled. High-molecular-weight compounds cannot be desorbed because of extremely strong interactions with the adsorbent and their low volatility. To overcome some of these problems sample-preparation techniques based on polydimethylsiloxane sorption have been developed over the past 15 years. In contrast with adsorptive trapping, sorption is based on dissolution of the analytes in a liquid polymeric material. This is a much more inert means of solute retention which overcomes some of the limitations encountered when working with adsorbents. In this contribution, the basic principles of sorption, the different instrumentation used, and applications of the technique will be reviewed. The review covers the sorptive sample-preparation techniques, open-tubular trapping (OTT), solid-phase microextraction (SPME), gum-phase extraction (GPE), equilibrium gum-phase extraction (EGPE), and stir-bar-sorptive extraction (SBSE). Because of the nature of sorptive sample-preparation techniques, which perform particularly well in combination with thermal desorption, this review focuses strongly on gas chromatography as the means of chemical analysis.

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“…However, like other volatile collection methods, solvent extraction presents additional problems, including the possible loss of volatile compounds or changes in the ratios of compounds (Hyötyläinen and Riekkola 2008). SBSE analysis offers several advantages compared to the more traditional solvent extraction because contamination risks are reduced, and the use of storable extracts both allows the bioassay replicates to be standardized and also facilitates the identification of compounds with GC-MS (Baltussen et al 1998(Baltussen et al , 1999(Baltussen et al , 2002Vercammen et al 2000;Scascighini et al 2005;Sánchez-Rojas et al 2009;Prieto et al 2010;Nogueira 2012). As a method, solvent extraction might have limitations since it does not necessarily identify directly emitted volatiles.…”

Section: Discussionmentioning

confidence: 99%

Chemical diversity and potential biological functions of the pygidial gland secretions in two species of Neotropical dung roller beetles

et al. 2015

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Dung roller beetles of the genus Canthon (Coleoptera: Scarabaeinae) emit an odorous secretion from a pair of pygidial glands. To investigate the chemical composition of these secretions, we used stir bar sorptive extraction (SBSE), coupled with gas chromatography-mass spectrometry (GC-MS) for analysis of extracts of pygidial gland secretions secreted by the dung roller beetles Canthon femoralis femoralis and Canthon cyanellus cyanellus. Chemical analyses of volatiles collected from pygidial gland secretions comprise a great diversity of the functional groups. Chemical profile comparisons showed high intra-and interspecific variability. The pygidial gland secretion of Canthon f. femoralis was dominated by sesquiterpene hydrocarbons, whereas the profile of Canthon c. cyanellus was dominated by carboxylic acids. The different pygidial secretions have a high diversity of chemical compounds suggesting a multifunctional nature involving some key functions in the biology. We discuss the biological potential of these compounds found in the pygidial glands of each species with respect to their ecological and behavioral relevance.

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Considerations on Static and Dynamic Sorptive and Adsorptive Sampling to Monitor Volatiles Emitted by Living Plants

Cited by 39 publications

References 32 publications

New insights in analysing parasitoid attracting synomones: early volatile emission and use of stir bar sorptive extraction

New insights in analysing parasitoid attracting synomones: early volatile emission and use of stir bar sorptive extraction

Sorptive sample preparation – a review

Chemical diversity and potential biological functions of the pygidial gland secretions in two species of Neotropical dung roller beetles

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