biogenic volatile organic compounds
Biogenic volatile organic compounds in the ambient air and plant emissions of a Tasmanian native forest, and the relationship between emission rates and essential oil content
... The biogenic volatile organic compounds (VOCs) in the ambient air of the Hobart Air Shed and in the emissions from selected Tasmanian native trees and understorey shrubs were ...
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Rapid mineralization of biogenic volatile organic compounds in temperate and Arctic soils
... Abstract. Biogenic volatile organic compounds (BVOCs) are produced by all life ...these compounds in recent ...these compounds to 14 CO 2 ...
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Quantification of biogenic volatile organic compounds with a flame ionization detector using the effective carbon number concept
... Abstract. Biogenic volatile organic compounds (BVOCs) are emitted into the atmosphere by plants and include iso- prene, monoterpenes, sesquiterpenes, and their oxygenated ...
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Identification of biogenic volatile organic compounds for improved border biosecurity
... of biogenic volatile organic compounds (BVOCs) requires instrumentation capable of separation of complex mixtures, specific compound identification, and quantitative results comparable to ...
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Field measurements of biogenic volatile organic compounds in the atmosphere using solid-phase microextraction Arrow
... Abstract. Biogenic volatile organic compounds (BVOCs) emitted by terrestrial vegetation participate in a diversity of natural ...These compounds impact both short- range processes, such ...
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Quantifying Marine Emissions of Biogenic Volatile Organic Compounds Using Laboratory Measurements, Field Measurements and Remote Sensing Data.
... some compounds) to other obtained values, there were options for increasing this efficiency of our sampling ...the compounds of interest are already in low concentrations (pptv levels) smaller sample ...
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Optimization of a gas chromatographic unit for measuring biogenic volatile organic compounds in ambient air
... 2.2 Chromatographic separation and FID detection Two chromatographic columns recommended by the Aerosol, Clouds and Trace Gases Research Infrastruc- ture (ACTRIS), 2014, were tested for separation: BPX5 (60 m × 0.25 mm ...
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The Tree Drought Emission MONitor (Tree DEMON), an innovative system for assessing biogenic volatile organic compounds emission from plants
... All system parts were selected for high material inert- ness, low gas permeability and, if possible, as industrial standard parts in order to ensure long-term mainte- nance. For further improving inertness almost all ...
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<p>Essential oils, asthma, thunderstorms, and plant gases: a prospective study of respiratory response to ambient biogenic volatile organic compounds (BVOCs)</p>
... These compounds are similarly found in emissions from OSR crops (canola) , 31 and conifers, 43 and many other plants, and are additional to predictors inves- tigated by others ...
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Sensitivity of biogenic volatile organic compounds to land surface parameterizations and vegetation distributions in California
... coupled into the land surface scheme in WRF-Chem (since v3.1). The biogenic emission calculation in MEGAN uses both instantaneous and the past-days’ surface air tempera- ture and solar radiation. MEGAN v2.0 ...
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Ecology of Plant Volatiles, from Molecules to the Globe (EuroVOL)
... of biogenic volatile organic compounds (BVOCs), which are a crucial component of a plant’s phenotype and play a dominant role in the ecology of ...This volatile-related phenotype is ...
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Development and Application of Disjunct Eddy Covariance Techniques for the Measurement and Interpretation of Fluxes of Volatile Organic Compounds from Urban and Rural Canopies
... and the high level o f noise in the covariance function w hich m ay have led to a system atic overestim ation o f the flux. The vD EC technique w as subsequently deployed on the Telecom T ow er in central London to give ...
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Volatile Organic Compounds in the Biosphere-Atmosphere System (VOCBAS)
... Until now the emission of biogenic VOCs has been parameterised on the basis of their dependence on a few environmental variables. This approach yielded an empirical model that proved its usefulness in modelling ...
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Prospects for management of whitefly using plant semiochemicals, compared with related pests
... natural volatile signalling processes to manipulate insect ...Selected compounds have been suggested as putative semiochemicals, but in only a few studies, potential volatiles were eventually characterised ...
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Concentrations of Volatile Organic Compounds (VOCs) at a Former Gasworks
... of organic and inorganic contaminants [1], such as VOCs ( benzene, toluene, ethylbenzene and xylene) and semi- volatile organic compounds, polycyclic aromatic hydrocarbons (PAHs), heterocyclic ...
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Prioritization and Complexity Evaluation of Airborne Volatile Organic Compounds Characteristics
... (Volatile Organic Compounds: VOCs) are defined by WHO (World Health Organization) as organic compounds having boiling point below 240 – 260 degree Celsius; under this definition, ...
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Volatile organic compounds associated with Plasmodium falciparum infection in vitro
... Recent studies have been conducted to compare the volatile chemical burden during the asexual stage of P. falciparum in in vitro cultures. One study did not find any difference between P. falciparum-infected and ...
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BIOACTIVE SUBSTANCES IN TREES AND SHRUBS OF CENTRAL EUROPE
... active compounds comprises essential oils. They are volatile compounds most frequently found in special cells of secretory tissues of ...These compounds are natural isoprene oligomers widely ...
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Volatile Organic Compounds in Crude Coconut and Petroleum Oils in Nigeria
... halogenated compounds (1-bromocyclooctene and dichloromethane) were found at low concentrations in crude petroleum oil, but none were detected in crude coconut ...nitrogenated compounds, imidazole, ...
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Thermally Activated Cr2O3+x for Elimination of Volatile Organic Compounds
... Volatile organic compounds (VOCs) are emitted into the atmosphere due to various human activities, mainly unburned fuel from power production, transportation, and solvents from painting or printing ...
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