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Scheda pubblicazione
Titolo:
Soil volatile analysis by proton transfer reaction-time of flight mass spectrometry (PTR-TOF-MS)
Autori:
Mancuso, S.; Taiti, C.; Bazihizina, N.; Costa, C.; Menesatti, P.; Giagnoni, L.; Arenella, M.; Nannipieri, P.; Renella, G.
Anno:
2015
Lingue:
ENG, eng
Rivista:
Applied Soil Ecology
Tipo di pubblicazione:
Cartaceo
Luogo:
Editore:
Elsevier
Riassunto in Italiano:
Riassunto in Inglese:
We analyzed the volatile organic compounds (VOCs) emitted from different soils by using the PTR-MS-TOF technique under laboratory conditions and compared them with soil chemical biochemical activities. The emitted VOCs were related to soil microbial biomass, soil respiration and some soil enzyme activities so as to evaluate if size and activity of soil microbial communities influenced the soil VOCs profiles. Our results showed that the emitted VOCs discriminated between soils with different properties and management, and differences in the VOCs emission profiles were likely related to the active metabolic pathways in the microbial communities of the three studied soil. Our results also showed that some soil enzyme activities such as b-glucosidase and arylsulfatase were possibly involved in the release of compounds fueling microbial metabolic pathways leading to the production of specific VOCs. It was concluded that the PTR-MS-TOF technique is suitable for analyze VOCs emission from soil and that studies comparing soil enzyme activities and soil volatile profiles can reveal the origin of VOCs and give further insights on microbial activity and soil functionality.
Link:
http://dx.doi.org/10.1016/j.apsoil.2014.10.018

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