OH-radicals
Gas-phase rate coefficients for a series of alkyl cyclohexanes with OH radicals and Cl atoms
... © 2018 Wiley Periodicals, Inc. This is the peer reviewed version of the following article: Bejan, IG, Winiberg, FAF, Mortimer, N et al. (5 more authors) (2018) Gas-phase rate coefficients for a series of alkyl ...
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(2+1) Resonance Enhanced Ionization Spectroscopy of a State Selected Beam of OH Radicals Margaret E. Greenslade
... the OH radicals, namely, photolysis of hydrogen peroxide or formic acid 16–18 and a discharge ...of OH radicals for photoionization studies, and comparing the experimental re- sults with ...
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The reaction of CH3O2 radicals with OH radicals: a neglected sink for CH3O2 in the remote atmosphere.
... Indeed, very little is known about this class of reactions, and only very recently has the rate constant of the reaction between the simplest peroxy radical, CH 3 O 2 , and OH radicals:.[r] ...
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Quantitative determination of the adsorption site of the OH radicals in the H2O/Si(100) system
... the OH radicals on the Si(100)(2 ⫻ 1) surface, using a combination of a model-free direct-inversion method followed by more quantitative analysis using multiple-scattering cluster simulations to es- tablish ...
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Observation of a New Channel, the Production of CH3, in the Abstraction Reaction of OH Radicals with Acetaldehyde
... Howes, NUM, Lockhart, J, Blitz, M orcid.org/0000-0001-6710-4021 et al. (6 more authors) (2016) Observation of a New Channel, the Production of CH3, in the Abstraction Reaction of OH Radicals with ...
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Observation of a New Channel, the Production of CH3, in the Abstraction Reaction of OH Radicals with Acetaldehyde
... 12 There are two possible reasons for the discrepancy between the experimental and modelled data. It may be because the NO data measured do not give an accurate evaluation of the water concentration. However, multiple ...
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Theoretical investigation into the atmospheric reactions of fluorotelomer alcohols (FTOHs), with OH radicals
... Accordingly, the effect of fluorine substitution is more profound on values of activation enthalpies. The effect of fluorine-induced stabilisation has also been reported for decarboxylation of fluorinated carboxylic ...
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The Reaction between CH₃O₂ and OH Radicals: Product Yields and Atmospheric Implications
... Environmental Science & Technology Page 6 of 17 139 Results and discussion 140 This section is divided into three sections: details on the determination of HO2 yield, obtained by cw4 141[r] ...
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Hyperfine excitation of CH and OH radicals by He
... The present paper uses the most recent ab initio potential energy surface PES for CH–He (Marinakis et al. 2015) and OH–He (Kalugina et al. 2014). We refer the reader there for a discus- sion of previous work on ...
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Chemistry and deposition in the Model of Atmospheric composition at Global and Regional scales using Inversion Techniques for Trace gas Emissions (MAGRITTE v1.1) – Part 1: Chemical mechanism
... of OH radicals in isoprene oxidation through the isomer- ization of Z-δ-hydroxyperoxy radicals is found to enhance OH concentrations by up to 40 % over western Amazonia in the boundary layer ...
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Use of Photo Fenton reagent for the degradation of Basic Orange 2 in aqueous medium
... Keeping all other factors identical, the concentration of catalyst was changed and its effect on the rate of photochemical degradation was observed. The result of Fig.5 reveals that the rate of photobleaching of dye ...
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Heterogeneous photo fenton discoloration of the dye rose bengal over pillared bentonite containing iron
... The rate of photo-Fenton degradation was found to increase with increase concentration of catalyst. Optimum value for the amount of different pillared clay samples was found to be 0.12 g. This can be explained on the ...
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Ethanol-induced oxidative stress: basic knowledge
... hydroxyethyl radicals could be produced by addition to ethanol of OH radicals generated by liver microsomes ...hydroxyethyl radicals bind to micro- somal protein [9], particularly CYP2E1, and ...
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Degradation of Azo Dye Reactive Black 5 and Acid Orange 7 by Fenton-Like Mechanism
... Colored wastewater is one of the most important sources of environmental pollution and because of their visibility and bearing toxic chemicals, it is very important to be treated before released into the environment. In ...
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Oxidation of Volatile Organic Compounds in Aqueous Solution and at the Air water Interface of Aqueous Microdroplets
... Aerosols affect the earth's climate by absorbing or reflecting the Sun's energy (direct affect) and influencing cloud formation (indirect effect). They also degrade the local air quality thereby leading to potential ...
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Scale-Up Methodology for Bench-Scale Slurry Photocatalytic Reactors Using Combined Irradiation and Kinetic Modelling
... Generation of Free OH Radicals by Black Light Illumination of Degussa (Evonik) P25 TiO2 Aqueous Suspensions. Engineering of Solar Photocatalytic Reactors. Photocatalys[r] ...
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Improvement of the Degradation of Methyl Orange Using a TiO2/BDD Composite Electrode to Promote Electrochemical and Photoelectro-Oxidation Processes
... observe a much faster MO decay for the 40 mg L -1 solution by photoelectro-oxidation process. These results can be again considered for the simultaneous acceleration of reactions 1 to 4, by this means generating more ...
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IN VITRO AND IN VIVO MODELS FOR ANTIOXIDANT ACTIVITY EVALUATION: A REVIEW
... Free radicals may be defined as chemical species associated with an odd or unpaired ...free radicals appears to be a major contributor to aging and degenerative diseases of aging such as cancer, ...
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OXIDATIVE STRESS INDUCED ULCER PROTECTED BY NATURAL ANTIOXIDANTS: A REVIEW
... OXIDATIVE STRESS IN GASTRIC MUCOSA: Gastric mucus is an important protective factor for the gastric mucosa and consists of a viscous, elastic, adherent and transparent gel formed by 95% water and 5% glycoproteins that ...
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A mechanistic insight into the atmospheric decomposition of fluorotelomer alcohols (FTOHs)
... This candidate TS is associated with a trifling negative activation enthalpy of 0.6 kcal/mol and the formation of the acyl peroxy adduct M9 is exothermic by 33.6 kcal/mol. Accordingly, a reaction rate constant for oxygen ...
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