Volatile organic compounds (COVs)
An analytical system for the measurement of stable hydrogen isotopes in ambient volatile organic compounds
... Abstract. Stable isotope measurements in atmospheric volatile organic compounds (VOCs) are an excellent tool to analyse chemical and dynamical processes in the at- mosphere. While up to now isotope ...
12
Snowpack concentrations and estimated fluxes of volatile organic compounds in a boreal forest
... of volatile organic compounds (VOCs) to atmosphere, but in boreal forests these fluxes and their seasonal variations have not been characterized in ...
12
Stable carbon isotope ratios of ambient aromatic volatile organic compounds
... Anthropogenic volatile organic compounds (VOC) are im- portant pollutants that play key roles in the production of ozone and in aerosol formation, and they significantly af- fect regional air quality ...
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Volatile organic compounds in induced plant defense against herbivorous insects.
... VOLATILE ORGANIC COMPOUNDS IN INDUCED PLANT DEFENSE AGAINST HERBIVOROUS ...chemical compounds involved in vital activities of arthropods have the potential for developing less aggressive pest ...
11
Occupational exposure to volatile organic compounds in the naval industry.
... TO VOLATILE ORGANIC COMPOUNDS IN THE NAVAL ...some volatile organic compounds in the internal environmental air of a naval shipyard in the State of Rio de Janeiro, during ...
3
Chemical variability of volatile and semi-volatile organic compounds in native populations of Maytenus ilicifolia.
... OF VOLATILE AND SEMI-VOLATILE ORGANIC COMPOUNDS IN NATIVE POPULATIONS OF Maytenus ...of volatile and semi-volatile compounds of 18 native populations of Maytenus ...
4
Wood-associated fungi produce volatile organic compounds toxic to root-knot
... of volatile organic compounds (VOCs) released by wood-associated fungi on controling second-stage juveniles (J2) of Meloidogyne ...J2 compounds, in relation to the ...Certain compounds ...
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EVALUATION OF TO-15 METHOD EFICIENCY TO DETERMINE VOLATILE ORGANIC COMPOUNDS IN TYPICAL URBAN CONDITIONS.
... DETERMINE VOLATILE ORGANIC COMPOUNDS IN TYPICAL URBAN ...target compounds, replicate precision for a calibration standard and ambient samples within ...target compounds during storage ...
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Revisiting benzene cluster cations for the chemical ionization of dimethyl sulfide and select volatile organic compounds
... Abstract. Benzene cluster cations were revisited as a sen- sitive and selective reagent ion for the chemical ioniza- tion of dimethyl sulfide (DMS) and a select group of volatile organic compounds ...
12
Volatile organic compounds in the western Mediterranean basin: urban and rural winter measurements during the DAURE campaign
... Atmospheric volatile organic compounds (VOCs) have key environmental and biological roles, but little is known about the daily VOC mixing ratios in Mediterranean urban and natural ...
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Fluxes and concentrations of volatile organic compounds from a South-East Asian tropical rainforest
... oxygenated volatile organic compounds were made by virtual disjunct eddy covariance from a South- East Asian tropical rainforest in ...oxygenated compounds, including methanol, ace- tone and ...
22
Tropospheric ozone and volatile organic compounds on a region impacted by the sugarcane industry.
... TROPOSPHERIC OZONE AND VOLATILE ORGANIC COMPOUNDS ON A REGION IMPACTED BY THE SUGARCANE INDUSTRY. The purpose of this study was to evaluate the concentrations of tropospheric ozone and VOCs under the ...
7
Extraction and pre-concentration of volatile organic compounds by membrane permeation for chromatography analysis.
... EXTRACTION AND PRE-CONCENTRATION OF VOLATILE ORGANIC COMPOUNDS BY MEMBRANE PERMEATION FOR CHROMATOGRAPHY ANALYSIS. This work discusses sample preparation processes for gas chromatography (GC) based ...
4
Vehicular emission of volatile organic compounds (VOCs) from a tunnel study in Hong Kong
... of volatile organic compounds (VOCs) were determined at the Shing Mun Tunnel, Hong Kong in summer and winter of ...110 compounds, ethene, ethyne and toluene were the most abundant species in ...
14
Nematicidal effect of volatile organic compounds (VOCs) on the plant-parasitic nematode Meloidogyne javanica
... that volatile organic compounds (VOCs), produced by the yeast Saccharomyces cerevisiae, were able to inhibit the development of phytopathogenic ...
3
Volatile organic compounds obtained by in Vitro callus cultivation of Plectranthus ornatus Codd. (Lamiaceae)
... the volatile organic compounds obtained from calli derived in vitro from nodal segments of ...with volatile compound analysis [12]. A total of 19 compounds were identified, consisting ...
14
Ambiental volatile organic compounds in the megacity of São Paulo.
... The Volatile Organic Compounds (VOCs) characterization in the atmosphere is important not only because they are precursors of ozone, but also due to their possible adverse health effects ...
5
Biofiltration of Volatile Organic Compounds of Brazilian Gasoline
... Many petrochemical industries and refineries are getting more concerned toward the losses involved in the emissions of volatile organic compounds (VOC) to the atmosphere. These losses bring ...
7
Volatile organic compounds for the control of Meloidogyne
... Among the plant-parasitic nematodes commonly found in coffee plantations is the root-knot nematode Meloidogyne exigua Goeldi. Although it is not as aggressive as other Meloidogyne species, this parasite can cause great ...
12
Profiling of volatile organic compounds in exhaled breath as a strategy to find early predictive signatures of asthma in children.
... produce volatile products, Volatile Organic Compounds (VOCs), which are first released into the blood and ultimately in the lungs into exhaled ...
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