Articles with "atmospheric pressure" as a keyword



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Observation of 1D−1S forbidden optical emission of atomic oxygen in atmospheric‐pressure N2/O2 plasma jet

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Published in 2020 at "Contributions to Plasma Physics"

DOI: 10.1002/ctpp.202000061

Abstract: We observed green optical emission from an atmospheric‐pressure N2/O2 plasma jet. The green optical emission was composed of a line emission at λ = 557.71 ± 0.03 nm and a broadband component at 530 ≤ λ ≤ 560 nm. The line emission was… read more here.

Keywords: emission; optical emission; atmospheric pressure; plasma jet ... See more keywords
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The lunar nodal phase cycle and winter atmospheric pressure as possible determinants of moth abundance: Analyses of a 30‐year time series from South Norway

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Published in 2022 at "Ecology and Evolution"

DOI: 10.1002/ece3.9443

Abstract: Abstract According to the plant stress hypothesis, population peaks of herbivores such as moths are caused by plant stress factors that force plants to reallocate stored defensive proteins to transportable and easily digestive N‐compounds. A… read more here.

Keywords: atmospheric pressure; year; nodal phase; lunar nodal ... See more keywords
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Influence of atmospheric pressure argon plasma treatment on the quality of peanut oil

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Published in 2017 at "European Journal of Lipid Science and Technology"

DOI: 10.1002/ejlt.201600513

Abstract: The effects of exposure to atmospheric pressure argon plasma on the quality of edible oil were studied. Peanut oil was exposed to the plasma that was generated in voltages ranging from 150–170 V and the variations… read more here.

Keywords: plasma; value; peanut oil; oil ... See more keywords
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Comparative structural and techno-functional elucidation of full-fat and defatted flaxseed extracts: implication of atmospheric pressure plasma jet.

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Published in 2021 at "Journal of the science of food and agriculture"

DOI: 10.1002/jsfa.11418

Abstract: BACKGROUND The relatively inferior techno-functionality, especially for the emulsifying and antioxidant activities of flaxseed protein/polysaccharides complexes partially limited its implication in health food system. The current study aimed to conduct the effects of atmospheric pressure… read more here.

Keywords: flaxseed extracts; defatted flaxseed; fat defatted; full fat ... See more keywords
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Application of purge and trap‐atmospheric pressure chemical ionization‐tandem mass spectrometry for the determination of dimethyl sulfide in seawater

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Published in 2020 at "Limnology and Oceanography: Methods"

DOI: 10.1002/lom3.10381

Abstract: We describe a method for measuring trace concentrations of dimethyl sulfide (DMS) in seawater using a commercial tandem mass spectrometer configured for atmospheric pressure chemical ionization (PT‐APCI‐MS/MS), coupled with a custom‐built purge and trap gas extraction… read more here.

Keywords: atmospheric pressure; dimethyl sulfide; pressure chemical; method ... See more keywords
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Shedding Light Onto the Nature of Iron Decorated Graphene and Graphite Oxide Nanohybrids for CO2 Conversion at Atmospheric Pressure

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Published in 2020 at "ChemistryOpen"

DOI: 10.1002/open.201900368

Abstract: Abstract We report on the design and testing of new graphite and graphene oxide‐based extended π‐conjugated synthetic scaffolds for applications in sustainable chemistry transformations. Nanoparticle‐functionalised carbonaceous catalysts for new Fischer Tropsch and Reverse GasWater Shift… read more here.

Keywords: graphene oxide; graphite oxide; graphene; iron ... See more keywords
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Glow flow ionization mass spectrometry of small molecules. A comparison of a glow flow ionization source (‘GlowFlow’) with electrospray ionization and atmospheric pressure chemical ionization

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Published in 2022 at "Rapid Communications in Mass Spectrometry"

DOI: 10.1002/rcm.9327

Abstract: Rationale Ionization by atmospheric pressure gas discharge has been employed for a long time in mass spectrometry. Inductively coupled plasma mass spectrometry is an exemplar, and widely used for elemental analysis. The technique has less… read more here.

Keywords: atmospheric pressure; ionization; mass spectrometry; source ... See more keywords
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Atmospheric pressure loading in GPS positions: dependency on GPS processing methods and effect on assessment of seasonal deformation in the contiguous USA and Alaska

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Published in 2020 at "Journal of Geodesy"

DOI: 10.1007/s00190-020-01445-w

Abstract: The Global Positioning System (GPS) has revolutionized the ability to monitor Earth-system processes, including Earth’s water cycle. Several analysis centers process GPS data to estimate ground-antenna positions at daily temporal resolution. Differences in processing strategies… read more here.

Keywords: pressure loading; deformation; usa alaska; seasonal deformation ... See more keywords
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Fragmentation studies of neutral per- and polyfluoroalkyl substances by atmospheric pressure ionization-multiple-stage mass spectrometry

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Published in 2019 at "Analytical and Bioanalytical Chemistry"

DOI: 10.1007/s00216-019-02150-0

Abstract: The establishment of fragmentation pathways has a great interest in the identification of new or unknown related compounds present in complex samples. On that way, tentative fragmentation pathways for the ions generated by atmospheric pressure… read more here.

Keywords: mass; pressure ionization; fragmentation; ionization ... See more keywords
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Ultra-high-performance liquid chromatography-atmospheric pressure ionization-tandem mass spectrometry method for the migration studies of primary aromatic amines from food contact materials

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Published in 2022 at "Analytical and Bioanalytical Chemistry"

DOI: 10.1007/s00216-022-03946-3

Abstract: This work describes the development of an ultra-high-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) method for the determination of 23 primary aromatic amines (PAAs) that can potentially migrate from food contact materials. The chromatographic separation was… read more here.

Keywords: atmospheric pressure; mass spectrometry; food; method ... See more keywords
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Quantitative detection of caffeine in beverages using flowing atmospheric-pressure afterglow (FAPA) ionization high-resolution mass spectrometry imaging and performance evaluation of different thin-layer chromatography plates as sample substrates

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Published in 2022 at "Analytical and Bioanalytical Chemistry"

DOI: 10.1007/s00216-022-04045-z

Abstract: Ambient desorption/ionization mass spectrometry (ADI-MS) is widely used as a rapid screening tool of samples in their native state without sample preparation. While analysis times are much less than 1 min per sample, one challenge… read more here.

Keywords: flowing atmospheric; mass spectrometry; mass; atmospheric pressure ... See more keywords