Modeling polar region atmospheric ionization induced by the giant solar storm on 20 January 2005
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Geophysical Research"
DOI: 10.1002/2017ja024125
Abstract: Ionization in Earth's troposphere is mainly due to Galactic cosmic rays. Occasionally, solar storms produce intense relativistic ion beams that significantly increase such ionization. One of the largest recorded solar radiation storms, on 20 January… read more here.
Keywords: polar region; atmospheric ionization; modeling polar; january 2005 ... See more keywords
Magnetic field quality conversion factors experimentally measured in clinical MR‐linac beams for seven MR‐compatible ionization chamber models
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.14613
Abstract: Abstract Purpose The purpose of this work was to experimentally quantify MR‐compatible ionization chamber response for 1.5T Elekta Unity and 0.35T ViewRay MRIdian MR‐linac systems through the determination of the magnetic field quality conversion factor,… read more here.
Keywords: chamber; quality conversion; ionization; magnetic field ... See more keywords
Effects of the Chodura sheath on tungsten ionization and emission in tokamak divertors
Sign Up to like & getrecommendations! Published in 2019 at "Contributions To Plasma Physics"
DOI: 10.1002/ctpp.201900140
Abstract: Funding information U.S. Department of Energy, DE-FG02-95ER54309, DE-SC0018423 Abstract The decay of the electric potential in the sheath region in tokamak divertors occurs on a scale length on the order of the main ion gyroradius… read more here.
Keywords: chodura sheath; sheath region; sheath; tokamak divertors ... See more keywords
Retrospective analysis for valproate screening targets with liquid chromatography-high resolution mass spectrometry with positive electrospray ionization: An omics-based approach.
Sign Up to like & getrecommendations! Published in 2019 at "Drug testing and analysis"
DOI: 10.1002/dta.2543
Abstract: Liquid chromatography coupled with high-resolution mass spectrometry (LC-HRMS) is an important analytical tool in the systematic toxicological analysis performed in forensic toxicology. However, some important compounds, such as the antiepileptic drug valproate (valproic acid; VPA),… read more here.
Keywords: high resolution; analysis; liquid chromatography; resolution mass ... See more keywords
Structural Characterization of Nitazene Analogs Using Electrospray Ionization-Tandem Mass Spectrometry (ESI-MS/MS).
Sign Up to like & getrecommendations! Published in 2025 at "Drug testing and analysis"
DOI: 10.1002/dta.3921
Abstract: Nitazene analogs are potent novel synthetic opioids (NSOs) that are becoming increasingly common and pose a threat to the public because of their fentanyl-like effects. Although 12 nitazene analogs are currently classified as Schedule I… read more here.
Keywords: product ions; ionization; nitazene analogs; mass spectrometry ... See more keywords
Application of capillary electrophoresis‐nano‐electrospray ionization‐mass spectrometry for the determination of N‐nitrosodimethylamine in pharmaceuticals
Sign Up to like & getrecommendations! Published in 2020 at "ELECTROPHORESIS"
DOI: 10.1002/elps.202000303
Abstract: After a presence of highly hepatotoxic and potentially carcinogenic N‐nitrosodimethylamine was detected in certain lots of sartan, ranitidine, metformin, and other pharmaceuticals, local regulatory authorities issued recalls of suspected products, and concerns of the pharmacotherapy… read more here.
Keywords: capillary electrophoresis; determination; nitrosodimethylamine; application capillary ... See more keywords
Electron ionization mass spectrometry: Quo vadis?
Sign Up to like & getrecommendations! Published in 2022 at "ELECTROPHORESIS"
DOI: 10.1002/elps.202100392
Abstract: Mass spectrometry (MS) is a fundamental technique to identify compounds by their mass‐to‐charge ratio. It is known that MS can only detect target compounds when they are converted to ions in the gas phase. The… read more here.
Keywords: mass spectrometry; ionization; technique; electron ionization ... See more keywords
Real‐time traceability of sorghum origin by soldering iron‐based rapid evaporative ionization mass spectrometry and chemometrics
Sign Up to like & getrecommendations! Published in 2022 at "ELECTROPHORESIS"
DOI: 10.1002/elps.202200043
Abstract: Sorghum is an important grain with a high economic value for liquor production. Tracing the geographical origin of sorghum is vital to guarantee the liquor flavor. Soldering iron‐based rapid evaporative ionization mass spectrometry (REIMS) combined… read more here.
Keywords: soldering iron; ionization; sorghum; real time ... See more keywords
Differential Organic Contaminant Ionization Source Detection and Identification in Environmental Waters by Non-Targeted Analysis.
Sign Up to like & getrecommendations! Published in 2021 at "Environmental toxicology and chemistry"
DOI: 10.1002/etc.5268
Abstract: The development of non-targeted analysis (NTA) methods to assess environmental contaminants of emerging concern, which are not commonly monitored, is paramount, especially when no previous knowledge on the identity of the pollution source is available.… read more here.
Keywords: non targeted; ionization; source; detection identification ... See more keywords
Fitting continuum wavefunctions with complex Gaussians: Computation of ionization cross sections
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Computational Chemistry"
DOI: 10.1002/jcc.26396
Abstract: We implement a full nonlinear optimization method to fit continuum states with complex Gaussians. The application to a set of regular scattering Coulomb functions allows us to validate the numerical feasibility, to explore the range… read more here.
Keywords: continuum wavefunctions; cross sections; complex gaussians; ionization ... See more keywords
Density functional theory and CCSD(T) evaluation of ionization potentials, redox potentials, and bond energies related to zirconocene polymerization catalysts
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Computational Chemistry"
DOI: 10.1002/jcc.26890
Abstract: Quantum‐mechanical‐based computational design of molecular catalysts requires accurate and fast electronic structure calculations to determine and predict properties of transition‐metal complexes. For Zr‐based molecular complexes related to polyethylene catalysis, previous evaluation of density functional theory… read more here.
Keywords: evaluation; ionization; functional theory; redox potentials ... See more keywords