total volatile organic compounds
Distribution of Total Volatile Organic Compounds at taxi drivers in Tehran
... worldwide. Volatile Organic Compounds (VOCs) are considered as the main effective factors in causing air ...these compounds, so it seems that automobiles’ microenvironment is one of the places ...
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ESTIMATION OF MOTOR VEHICLE TOXIC EMISSIONS AND CONCENTRATIONS IN METROPOLITAN CITY OF DELHI
... benzene, total poly aromatic hydrocarbons and total volatile organic compounds at the above mentioned corridor may be due to higher traffic volume, higher percentage of heavy vehicles, ...
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Exposure to volatile organic compounds and airway inflammation
... monitor occupational exposure to these VOCs [9]. The level of urinary MHA increased 7 days after moving into the new building. However, the level of urinary tt-MA de- creased despite the move to a new indoor environment ...
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Volatile organic compounds as diagnostic biomarkers in gastrointestinal and liver diseases
... Although the biochemical origin of these VOCs is mostly unknown, it appears that most of them may not be of endogenous origin. VOCs with positive alveolar gradient (concentration higher in breath than in air) are more ...
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Identification of biogenic volatile organic compounds for improved border biosecurity
... biogenic volatile organic compounds (BVOCs) requires instrumentation capable of separation of complex mixtures, specific compound identification, and quantitative results comparable to reference ...
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AIRBORNE SAMPLES SOLID PHASE EXTRACTION pdf
... phase organic materials consists of the use of a R lter to remove particulate material, followed by a sorbent bed to collect the gas phase organic ...phase organic material is oxygenated or polar and ...
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Volatile Organic Compounds in Crude Coconut and Petroleum Oils in Nigeria
... of Volatile Organic Compounds (VOCs) in crude coconut and pe- troleum oils from Nigeria is ...ppb. Total VOC concentrations in crude coconut and petroleum oils are ...
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Concentrations of Volatile Organic Compounds (VOCs) at a Former Gasworks
... Unlike in borehole 2, more than half of the identified VOCs in borehole 1 are compounds of benzene. Benzene is classified as a Group 1 carcinogen by the International Agency for Research on Cancer (IARC) – a ...
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Prioritization and Complexity Evaluation of Airborne Volatile Organic Compounds Characteristics
... VOCs compounds was carried out by using Pareto distribution analysis and power Zipf law ...tenth compounds having contribution more than 80% of total VOCs concentration, were as presented in Figure ...
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Nicotine, aerosol particles, carbonyls and volatile organic compounds in tobacco- and menthol-flavored e-cigarettes
... generated by zero air system #2 was supplied to the dilu- tion chamber to reduce the EC-emitted aerosol concentra- tion. Consequently, the total dilution ratio of the system was 1:172 calculated by multiplying the ...
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A study of volatile organic compounds from transgenic arabidopsis thaliana and solanum lycopersicum plants and analytical characterization of pyrolysis bio-oil
... Our group has been characterizing the biopesticide properties of bio-oils by testing the entire content and its fractions against selected insects, bacteria and fungi [4- 8]. In the last few years, we attempted to ...
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Exhaled breath analysis for the early detection of lung cancer: recent developments and future prospects
... Currently, no unique tumor marker for LC has been identi- fied. However, further research and development in the field of breath analysis could potentially provide a simple tool to assist early recognition and reliable ...
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BIOACTIVE SUBSTANCES IN TREES AND SHRUBS OF CENTRAL EUROPE
... bioactive compounds in those plants they have found applications as detoxicants, vitamin supplements, as well as preparations boosting immunity and adjunctive medication in treatment of various ...bioactive ...
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Prospects for management of whitefly using plant semiochemicals, compared with related pests
... chromatography (GC) coupled with electroantennography (GC-EAG) and a detector (e.g. flame ionization detector) is a powerful tool for the identification of semiochemicals within a blend of compounds (Fig. 1). ...
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Review Paper Biofiltration of Volatile Organic Compounds (VOCs) – An Overview
... contaminated off-gas is passed through a preconditioner for particulate removal and humidification (if necessary). The conditioned gas stream is then passed from the bottom of a filter bed of soil, peat, composted ...
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Volatile Organic Compounds- Biodiesel Thermodynamic Interactions: Influence of Temperature
... properties. This reduces the amount of data required. Therefore, instead of requiring the properties of millions of components, only the data for a few groups are required. The group contribution concept has been used to ...
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Volatile organic compounds and risk of asthma and allergy: a systematic review
... Volatile organic compounds (VOCs) are important indoor air pollutants produced by evaporation at room temperature from paints, wood, fabrics, cleaning agents, air fresheners, cosmetics, furnishings ...
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The interplay of the gut microbiome, bile acids, and volatile organic compounds
... Background. There has been an increasing interest in the use of volatile organic compounds (VOCs) as potential surrogate markers of gut dysbiosis in gastrointestinal disease. Gut dysbiosis occurs ...
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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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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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