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Volatile Organic Compounds (0):
Recent article
Volatile Organic Compounds
Indoor Air (21)1 2011
Abstract
Car dealer showrooms furnished with desk areas are a work place whose occupants may be exposed to evaporative emissions from the exhibited cars. The aim of the study was to identify and quantify the main organic compounds present in car dealer showrooms as a result of evaporative emissions from the...
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PMID: 20846213
PDF is available here.
PDF is available here.
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Abstract
To date, studies on volatile metabolites in cereal grain have focused mainly on a single species. In this paper, results are presented of the analysis of volatile compounds in five cereal grain species (spring wheat, durum wheat, triticale, rye, oats and barley) based on representative sampling of a...
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PMID: 20730644
PDF is available here.
PDF is available here.
Water Environment Research (82)11 2010
Abstract
In an attempt to enhance the effectiveness of air sparging, two sets of experiments were designed to investigate the mechanisms and effect of surfactant-enhanced air sparging (SEAS). The first set was performed at different surface tensions and with different kinds of surfactants (sodium dodecyl ben...
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PMID: 21141387
PDF is available here.
PDF is available here.
Environmental Pollution (158)11 2010
Abstract
Measurements of semi-volatile organic chemicals (SVOCs) were compared among 21 laboratories from 7 countries through the analysis of standards, a blind sample, an air extract, and an atmospheric dust sample. Measurement accuracy strongly depended on analytes, laboratories, and types of standards and...
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PMID: 20813443
PDF is available here.
PDF is available here.
Abstract
The essential oils from stems, leaves, inflorescences, and both unripe and ripe infructescences of Smyrnium olusatrum L. (Umbelliferae) collected in Greece were obtained by hydrodistillation and analyzed by GC-FID and GC-MS. Fifty-eight components were identified. Among the samples analyzed, the dif...
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PMID: 21213987
PDF is available here.
PDF is available here.
Abstract
Abstract
We present experimental evidence that they can be solid under ambient conditions. We investigated biogenic SOA particles formed from oxidation products of VOCs in plant chamber experiments and in boreal forests within a few hours after atmospheric nucleation events. On the basis of observed particle...
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PMID: 20944744
PDF is available here.
PDF is available here.
Abstract
Forest fires represent a serious threat to public security in Europe due to the large burned area. Moreover, smoke pollution due to forest fire events is an important public health issue for the communities directly affected, and particularly for the personnel involved in firefighting operations. Ai...
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PMID: 20579737
PDF is available here.
PDF is available here.
Sangyo Eiseigaku Zasshi (52)5 2010
Abstract
We have been examining the effects of not only toner but its by-products on human health.
We conducted a review of epidemiological and animal data on toner and its by-products such as ultrafine particles and volatile organic compounds (VOC). This was the second survey and it confirmed the results of...
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PMID: 20595787
PDF is available here.
PDF is available here.
Bioresource Technology (101)19 2010
Abstract
The aim of the present study is to investigate the correlation between microbial activity, i.e., biological stability measured by aerobic (OD20 test) and anaerobic tests (ABP test), and odour emissions of organic fraction of municipal solid waste during anaerobic digestion in a full-scale treatment...
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PMID: 20578286
PDF is available here.
PDF is available here.
Abstract
Our results were of great interest underlying new industrial valorisation for ferns based on their broad spectrum of volatiles....
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PMID: 21121267
PDF is available here.
PDF is available here.
Abstract
We measured indoor air VOC concentrations in 57 (97%) out of a total of 61 large buildings completed within one year in half of the area of Nagoya, Japan, from 2003 through 2007. Airborne concentrations of 13 carbonyl compounds were determined with diffusion samplers and high-performance liquid chro...
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PMID: 21061561
PDF is available here.
PDF is available here.
Abstract
We recorded EAG responses of two parasitoid species with different degrees of host specificity, Microplitis croceipes (specialist) and Cotesia marginiventris (generalist), to a wide array of odor stimuli including compounds representing green leaf volatiles (GLVs), herbivore-induced plant volatiles...
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PMID: 20371248
PDF is available here.
PDF is available here.
Abstract
We show that bacteria are also capable of olfaction. Bacillus licheniformis was able to sense airborne volatile metabolites produced by neighbouring bacterial cultures and cells could respond to this chemical information in a coordinated way. When Bacillus licheniformis was grown in a microtitre pla...
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PMID: 20721987
PDF is available here.
PDF is available here.
Journal of Chromatography A (1217)34 2010
Abstract
In this work, a methodology to characterise the volatile and semi-volatile compounds from marine salt by headspace solid-phase microextraction (HS-SPME) and comprehensive two-dimensional gas chromatography time-of-flight mass spectrometry (GCxGC/TOFMS) was developed. Samples from two saltpans of Ave...
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PMID: 20633884
PDF is available here.
PDF is available here.
Journal of Dairy Science (93)8 2010
Abstract
Old-style cheese starters were evaluated to determine their ability to produce cheese aroma compounds. Detailed analyses of the aroma-producing potential of 13 old-style starter cultures were undertaken. The proteolytic profile of the starters was established by an accelerated ripening study using a...
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PMID: 20655411
PDF is available here.
PDF is available here.
Abstract
We report the identification of a volatile inhibitory pheromone produced by female neotenics (secondary queens) that acts directly on target individuals to suppress the differentiation of new female neotenics and identify n-butyl-n-butyrate and 2-methyl-1-butanol as the active components of the inhi...
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PMID: 20615972
PDF is available here.
PDF is available here.
Pediatric Research (68)1 2010
Abstract
We conclude that metabolomics of VOCs in exhaled breath was possible in a reproducible way. This new technique was able to discriminate not only between CF patients and controls but also between CF patients with or without Pseudomonas colonization....
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PMID: 20351658
PDF is available here.
PDF is available here.
Abstract
The pheromone composition of the Spanish population of the beet armyworm (BAW), Spodoptera exigua (Lepidoptera: Noctuidae), was identified. Analysis of female gland extracts showed the presence of compounds Z9,E12-14:Ac (1), Z9-14:Ac (2), Z11-16:Ac (3), Z9,E12-14:OH (4), Z9-14:OH (5), and Z11-16:OH...
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PMID: 20571896
PDF is available here.
PDF is available here.
Abstract
The melon fly, Bactrocera cucurbitae (Coquillett), is a serious crop pest throughout the Asia Pacific sub-continent and Southeast Asia, causing damage to tree fruits, cucurbits, and related crops. Attractants for female melon flies are of particular interest as they could be used in control tactics...
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PMID: 20526732
PDF is available here.
PDF is available here.
Abstract
We investigated whether plant volatiles induced by feeding P. versicolora larvae were involved in the reaggregation behavior. Under laboratory conditions, we conducted dual-choice bioassays and found that the first and second instars discriminated between volatiles from leaves infested by larvae and...
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PMID: 20544261
PDF is available here.
PDF is available here.
Abstract
We asked whether there is genetic variation in the response of the predatory mite Phytoseiulus persimilis to methyl salicylate (MeSa). MeSa is a volatile compound consistently produced by plants being attacked by the two-spotted spider mite, the prey of P. persimilis. We predicted that predators exp...
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PMID: 20574785
PDF is available here.
PDF is available here.
Abstract
We report the influence of different combinations of initial concentration of acetic acid and ethanol on the removal of acetic acid from acidic wines by two commercial Saccharomyces cerevisiae strains S26 and S29. Both strains reduced the volatile acidity of an acidic wine (1.0 gl(-1) acetic acid an...
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PMID: 20390413
PDF is available here.
PDF is available here.
Abstract
A rare sample of maple (Acer spp.) honey from Croatia was analysed. Ultrasonic solvent extraction (USE) using: 1) pentane, 2) diethyl ether, 3) a mixture of pentane and diethyl ether (1:2 v/v) and 4) dichloromethane as solvents was applied. All the extracts were analysed by GC and GC/MS. The most re...
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PMID: 20657377
PDF is available here.
PDF is available here.
Abstract
The aim of this study was to evaluate the impact of urban air pollution, assessed through reliable indicators of exposure, on asthma and allergies in schoolchildren. A validated dispersion model combining data on traffic conditions, topography, meteorology and background pollution wa...
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PMID: 20075054
PDF is available here.
PDF is available here.
Abstract
A complex profile of volatile organic compounds ("VOC"s) emanates from human skin, which is altered by changes in the body's metabolic or hormonal state, the external environment, and the bacterial species colonizing the skin surface. The aim of this study was to compare VOC profiles sampled from ch...
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PMID: 20492633
PDF is available here.
PDF is available here.
Abstract
In this study, the degradation of d-limonene by photocatalytic oxidation (PCO) (titanium dioxide [TiO2]/ultraviolet [UV]) and by the combination of PCO and ozone (O3) (TiO2/UV/O3) was investigated to evaluate the enhancement effect of O3. The degradation of d-limonene by UV/O3 was also investigated...
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PMID: 20681429
PDF is available here.
PDF is available here.
Abstract
Thermal decomposition properties of plastic waste-waste lube oil compounds were investigated under nonisothermal conditions. Polyethylene (PE), polypropylene (PP), polystyrene (PS), and polyethylene terephthalate (PET) were selected as representative household plastic wastes. A plastic waste mixture...
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PMID: 20540533
PDF is available here.
PDF is available here.
Abstract
Laboratory experiments were performed in discretely fractured sandstone blocks to evaluate the use of bioaugmentation to treat residual dense non-aqueous phase liquid (DNAPL) tetrachloroethene (PCE). Significant dechlorination of PCE and growth of Dehalococcoides spp. (DHC) occurred within the fract...
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PMID: 20524648
PDF is available here.
PDF is available here.
Abstract
A new downhole groundwater sampler reduces bias and error due to sample handling and exposure while introducing minimal disturbance to natural flow conditions in the formation and well. This "In Situ Sealed", "ISS", or "Snap" sampling device includes removable/lab-ready sample bottles, a sampler dev...
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PMID: 20527760
PDF is available here.
PDF is available here.
Abstract
In the present study, performance of the trickle bed airbiofilter (TBAB) for treating mono-chlorobenzene (MCB) was evaluated for various influent volatile organic compound (VOC) loadings using coal and mixed consortium of activated sludge as the packing material. Microbial acclimation to MCB was ach...
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PMID: 21186718
PDF is available here.
PDF is available here.
Meat Science (85)3 2010
Abstract
These results highlight the feasibility of TI technique to evaluate changes in the temporal flavour and texture perception of sausages caused by modification of matrix composition.
Copyright 2010 Elsevier Ltd. All rights reserved....
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PMID: 20416801
PDF is available here.
PDF is available here.
Meat Science (85)3 2010
Abstract
These results indicate that to understand the interactions between odour-active compounds, experimental doping with carefully selected odour-active compounds will be necessary.
Copyright 2010 Elsevier Ltd. All rights reserved....
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PMID: 20416814
PDF is available here.
PDF is available here.
Abstract
Although a number of gas-phase chemical mechanisms, such as CBM-IV, RADM2, and SAPRC have been successful in studying gas-phase atmospheric chemical processes, they all used different combinations of lumped organic species to describe the role of organics in gas-phase chemical processes. Photochemic...
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PMID: 20476789
PDF is available here.
PDF is available here.
Abstract
Ambient VOCs were measured by a proton transfer reaction-mass spectrometer (PTR-MS) at a receptor site in the Pearl River Delta (PRD) during October 19-November 18, 2008. Biomass burning plumes are identified by using acetonitrile as tracer, and enhancement ratios (ERs) of nine VOCs species relative...
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PMID: 20507061
PDF is available here.
PDF is available here.
New Phytologist (188)2 2010
Abstract
• Floral scents and visual cues of the globeflower Trollius europaeus may play a key role in the attraction of Chiastocheta flies, involved in a highly specific nursery pollination mutualism. • Here, headspace collection and GC-MS were used to identify and quantify the volatile organic compounds...
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PMID: 20553385
PDF is available here.
PDF is available here.
Abstract
Volatile organic compounds (VOCs) are expected to have an important role in plant adaptation to high temperatures. The impacts of increasing night-time temperature on daytime terpenoid emissions and related gene expression in silver birch (Betula pendula) and European aspen (Populus...
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PMID: 20181662
PDF is available here.
PDF is available here.
Abstract
Volatile organic compounds (VOCs) emitted from many industrial processes and transportation activities are major organic pollutants in the atmosphere and toxic to human health. Octahedral molecular sieve (OMS-2) catalysts with different precursors and sulfate-acidified OMS-2 catalysts were synthesiz...
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PMID: 20446658
PDF is available here.
PDF is available here.
Meat Science (85)2 2010
Abstract
Different biotypes of Debaryomyces hansenii, characterized by mitochondrial DNA (mtDNA) restriction analysis, were inoculated in dry fermented sausages to evaluate their influence as single starter culture on volatile compound generation throughout the ripening process. Similar evolution of physicoc...
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PMID: 20374895
PDF is available here.
PDF is available here.
Abstract
To achieve a higher efficiency of thermal remediation of soil contaminated with organic compounds, the retention mechanisms of organic compounds on thermally treated soil need to be understood adequately. In this study, a soil-column gas chromatography approach was developed to determine the soil-ai...
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PMID: 20402500
PDF is available here.
PDF is available here.
Analyst (Cambridge UK) (135)5 2010
Abstract
A tuneable microsecond pulsed direct current glow discharge (GD)-time-of-flight mass spectrometer MS(TOF) developed in our laboratory was coupled to a gas chromatograph (GC) to obtain sequential collection of the mass spectra, at different temporal regimes occurring in the GD pulses, during elution...
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PMID: 20419247
PDF is available here.
PDF is available here.
Chemosphere (79)8 2010
Abstract
The artificial recharge of aquifers has become a valuable tool to increase water resources for drinking water production in many countries. In this work a total of 41 organic pollutants belonging to the classes of pesticides, estrogens, progestogens and volatile organic compounds (VOCs) have been mo...
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PMID: 20226495
PDF is available here.
PDF is available here.
Abstract
Females of the African malaria vector, Anopheles gambiae Giles sensu stricto, use human volatiles to find their blood-host. Previous work has shown that ammonia, lactic acid, and aliphatic carboxylic acids significantly affect host orientation and attraction of this species. In the current study, th...
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PMID: 20496580
PDF is available here.
PDF is available here.
Abstract
Bovine blood inoculated with bacteria isolated from screwworm [Cochliomyia hominivorax (Coquerel) (Diptera: Calliphoridae)]-infested animal wounds was tested as an attractant for oviposition for gravid screwworms. Eight species of gram-negative coliform (Enterobacteriaceae) bacteria mixed with bovin...
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PMID: 20496582
PDF is available here.
PDF is available here.
Abstract
We describe a method, which is based on solid phase microextraction (SPME) coupled to gas chromatography-mass spectrometry (GC-MS) and which can be used for the profiling of microbial volatile organic compounds (MVOCs) in the headspace (HS) of cultures of filamentous fungi. The method comprises the...
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PMID: 20302890
PDF is available here.
PDF is available here.
Abstract
Two samples of oak honeydew honey were investigated. Headspace solid-phase microextraction (HS-SPME) combined with GC and GC/MS enabled identification of the most volatile organic headspace compounds being dominated by terpenes(mainly cis- and trans-linalool oxides). The volatile and less-volatile o...
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PMID: 20657511
PDF is available here.
PDF is available here.
Molecular Diversity (14)2 2010
Abstract
Salix spp. honeydew honey volatiles were analyzed for the first time by headspace solid-phase microextraction (HS-SPME) and ultrasonic solvent extraction (USE) followed by gas chromatography and mass spectrometry (GC, GC-MS). The use of HS-SPME and USE had advantageous results over the use of one si...
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PMID: 19517263
PDF is available here.
PDF is available here.
Abstract
To identify the volatile organic compounds (VOCs) in lung cancer tissue and lung cancer cell lines.
The lung cancer tissue samples from 18 patients were cultured and 4 lung cell lines (A549, NCI-H446, SK-MES-1, BEAS-2B) were also included in the study. Air samples in the headspace of culture flasks...
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PMID: 20544990
PDF is available here.
PDF is available here.
Abstract
To select the best available packing material for malodorous organic gases such as toluene and benzene, biofilter performance was compared in biofilters employed different packing materials including porous ceramic (celite), Jeju scoria (lava), a mixture of granular activated carbon (GAC) and celite...
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PMID: 21047004
PDF is available here.
PDF is available here.
Abstract
We found that six of the 13 chemicals, gamma-terpinene, benzyl alcohol, (Z)-3-hexenyl acetate, myrcene, benzaldehyde, and (Z)-3-hexenal, were attractive to both males and females; two chemicals, (E/Z)-beta-ocimene and (E, E)-alpha-farnesene, were attractive only to males; and four chemicals, (E)-4,8...
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PMID: 20349338
PDF is available here.
PDF is available here.
Abstract
A procedure based on the application of supercritical CO(2) extraction to reduce and/or to remove odorant volatile compounds from a winemaking inactive dry yeast (IDY) preparation has been set up. By applying a factorial design, a screening of different temperatures and pressure conditions was assay...
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PMID: 20170168
PDF is available here.
PDF is available here.
Abstract
Glycosidically bound volatiles and precursors in genotypes representing the pedigree for 'Marion' blackberry were investigated over two growing seasons. The volatile precursors were isolated using a C18 solid-phase extraction column. After enzymatic hydrolysis, the released volatiles were analyzed u...
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PMID: 20192206
PDF is available here.
PDF is available here.
Abstract
Atmospheric carbon dioxide (CO(2)) concentration is an environmental factor currently undergoing dramatic changes. The objective of the present study was to determine the effect of doubling the ambient CO(2) concentration on plant photochemistry as measured by photochemical quenching coefficient (qP...
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PMID: 20158238
PDF is available here.
PDF is available here.
Abstract
Rapid, but unplanned urban development and the consequent urban sprawl coupled with economic growth have aggravated auto dependency in India over the last two decades. This has resulted in congestion and pollution in cities. The central and state governments have taken many ameliorative measures to...
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PMID: 20149922
PDF is available here.
PDF is available here.
Abstract
In this study, the relationship between cardiovascular mortality and traffic-related air pollutants (NO(2), CO, PM(10), and six volatile organic compounds (VOCs), propane, iso-butane, propylene, benzene, meta-, para-, and ortho-xylenes) was investigated. The concentrations of NO(2), PM(10) and CO fr...
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PMID: 20163830
PDF is available here.
PDF is available here.
Abstract
Semipermeable membrane devices (SPMDs) were evaluated as passive samplers for the determination of 26 volatile organic compounds (VOCs) in contaminated air of occupational environments. A direct methodology based on the use of head-space-gas chromatography-mass spectrometry (HS-GC-MS) was developed...
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PMID: 20152450
PDF is available here.
PDF is available here.
Journal of Chromatography A (1217)11 2010
Abstract
The chemical composition of the needles of P. pinea, P. pinaster, P. halepensis, P. nigra, P. brutia, P. patula, P. radiata, P. taeda, P. elliotti, P. kesiya, P. sylvestris and P. eldarica was investigated. Headspace solid-phase microextraction and steam distillation extraction were used to collect...
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PMID: 20144462
PDF is available here.
PDF is available here.
Plant Cell Online (22)3 2010
Abstract
We used Petunia hybrida flowers, which are rich in Phe-derived volatiles, to determine the biosynthetic routes involved in Phe formation in planta. Of the three identified petunia ADTs, expression of ADT1 was the highest in petunia petals and positively correlated with endogenous Phe levels througho...
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PMID: 20215586
PDF is available here.
PDF is available here.
Abstract
Many interactions between organisms are based on the emission and perception of volatiles. The principle of using volatile metabolites as communication signals for chemo-attractant or repellent for species-specific interactions or mediators for cell-to-cell recognition does not stop at an apparently...
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PMID: 20012987
PDF is available here.
PDF is available here.
Abstract
To evaluate the interpopulation variability of volatile compounds in Melicope obscura, four samples representing four populations were collected all over the distribution area of the species in Reunion Island (Indian Ocean). The samples were extracted by hydrodistillation, and analyz...
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PMID: 20151393
PDF is available here.
PDF is available here.