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The application of urinary volatile organic compound

Differentiating coeliac disease from irritable bowel syndrome by urinary volatile organic compound analysis : a pilot study

Differentiating coeliac disease from irritable bowel syndrome by urinary volatile organic compound analysis : a pilot study

... Our pilot study provides initial evidence that FAIMS has potential application as an alternative non-invasive test for the initial screening of patients suspected of having coeliac disease. This is done via the ...

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Urinary volatile organic compound markers and colorectal anastomotic leakage

Urinary volatile organic compound markers and colorectal anastomotic leakage

... for urinary VOC data ...significant. Urinary VOCs of patients with anastomotic leakage were compared to control patients who had an uncomplicated postoperative ...visualized urinary VOC data, the ...

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Detection of Colorectal Cancer (CRC) by urinary volatile organic compound analysis

Detection of Colorectal Cancer (CRC) by urinary volatile organic compound analysis

... of volatile organic compounds (VOCs) signature(s) for many cancer subtypes is receiving increasing interest using a variety of gas phase analytical ...

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How To Determine Volatile Organic Compound

How To Determine Volatile Organic Compound

... the volatile matter and water contents in architectural ...the volatile content of solvent-borne and water-borne coatings by weight difference while referring to ASTM D2369-07 for air drying paints and to ...

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Simultaneous assessment of urinary and fecal volatile organic compound analysis in De Novo Pediatric IBD

Simultaneous assessment of urinary and fecal volatile organic compound analysis in De Novo Pediatric IBD

... Lastly, there was no statistical difference between sample storage time between groups, which is demonstrated to affect VOC profile outcome [21,22]. This pilot study is limited by a relatively small sample size; ...

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Urinary volatile organic compounds for the detection of prostate cancer

Urinary volatile organic compounds for the detection of prostate cancer

... investigate volatile organic compounds (VOCs) emanating from urine samples to determine whether they can be used to classify samples into those from prostate cancer and non-cancer ...

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Dynamic texture analysis in video with application to flame, smoke and volatile organic compound vapor detection

Dynamic texture analysis in video with application to flame, smoke and volatile organic compound vapor detection

... or organic chemical factories leak VOC plume the plume has lower temperature than the surrounding air during the initial stages of emission or the vapor absorbs the IR light and the region appears darker then the ...

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Modification of diatomite zeolite for the removal of acetone volatile organic compound

Modification of diatomite zeolite for the removal of acetone volatile organic compound

... Abstract: In this work, the effect of diatomite zeolite of Iran was evaluated as an adsorbent for adsorption of acetone volatile organic compound (VOC). The diatomite zeolite was modified by acid ...

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Volatile organic compound fluxes from northern forest soils

Volatile organic compound fluxes from northern forest soils

... 10 Soils are a simultaneous source, sink and storage of VOCs. VOCs are produced, consumed or transformed by physicochemical processes, such as oxidation and volatilization, by biological processes including microbial ...

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A Phylogenetic and Functional Perspective on Volatile Organic Compound Production by Actinobacteria

A Phylogenetic and Functional Perspective on Volatile Organic Compound Production by Actinobacteria

... Volatile organic compound identification. VOCs were identified using retention index data and by comparing their spectra to the National Institute of Standards and Technology (NIST) spectral library ...

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Biogenic volatile organic compound emissions from Willow trees

Biogenic volatile organic compound emissions from Willow trees

... reactive compound and has great impact on atmosphere and climate system, we should think about alternative bioenergy plants which emit less or no isoprene at ...

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Volatile organic compound markers of psychological stress in skin: a pilot study

Volatile organic compound markers of psychological stress in skin: a pilot study

... Once a chromatogram data-file had passed visual inspection it was converted to a *.cdf file format using the data-bridge capability of MassLynx, and imported into TargetView (ALMSCO International, Llantrisant, UK) for ...

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Field observations of volatile organic compound (VOC) exchange in red oaks

Field observations of volatile organic compound (VOC) exchange in red oaks

... Abstract. Volatile organic compounds (VOCs) emitted by forests strongly affect the chemical composition of the atmo- sphere. While the emission of isoprenoids has been largely characterized, forests also ...

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Cellular reactions to long term volatile organic compound (VOC) exposures

Cellular reactions to long term volatile organic compound (VOC) exposures

... In conclusion, in vitro exposure models are a valuable support for the toxicological assessments of volatile compounds. In addition to acute reactions, now also longer, adaptive responses can be investigated, ...

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Ecosystem scale measurements of surface–atmosphere volatile organic compound exchange

Ecosystem scale measurements of surface–atmosphere volatile organic compound exchange

... In this thesis VOC exchange between the surface and the atmosphere was studied in an ecosystem scale using micrometeorological flux measurement techniques combined with pro- ton transfer reaction mass spectrometry for ...

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Volatile organic compound speciation above and within a Douglas fir forest

Volatile organic compound speciation above and within a Douglas fir forest

... References Atkinson, R., Arey, J., 2003. Gas-phase tropospheric chemistry of biogenic volatile organic compounds: a review. Atmospheric Environment 37, S197-S219. Bouvier-Brown, N. C., Goldstein, A. H., ...

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Volatile organic compound levels at one site in Rome urban air

Volatile organic compound levels at one site in Rome urban air

...  Diurnalvariationsofallsamplingdays,monitoredthroughout thefourseasons,showingtheevolutionofaromatics,alkenesand alkanesduringweekdaysandweekends,arepresentedinFigure1, together with ...

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Contribution of flowering trees to urban atmospheric biogenic volatile organic compound emissions

Contribution of flowering trees to urban atmospheric biogenic volatile organic compound emissions

... Ciccioli et al., 1999; M¨uller et al., 2002). Flower volatiles have been widely studied in botanical research for their role in plant-pollinator and plant-herbivore interactions. There- fore, an abundant body of ...

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Estimating Volatile Organic Compound Emissions from Wastewater Circulating Aeration Tanks

Estimating Volatile Organic Compound Emissions from Wastewater Circulating Aeration Tanks

... Estimating Volatile Organic Compound Emissions from Wastewater Circulating Aeration Tanks ...of Volatile Organic Compounds (VOCs) has led engineers to modify wastewater aeration tank ...

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Detection of Pseudomonas aeruginosa in sputum headspace through volatile organic compound analysis

Detection of Pseudomonas aeruginosa in sputum headspace through volatile organic compound analysis

... Figure 4 Biplot using the first two PLS-DA factors. The plot shows a good separation of P. aeruginosa positive chronic colonized patients (triangles and squares) and P. aeruginosa negative patients (circles). Significant ...

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