Results 41 to 50 of about 148,924 (212)

Experimental and computational studies of hydroxyl radical kinetics at very low temperatures [PDF]

, 2012
In this thesis low temperature rate coefficients have been measured for a number of reactions involving the OH radical using a pulsed Laval nozzle apparatus.
Shannon, Robin Joseph
core  

Correlations between experimental and theoretical adiabatic ionization energies for organic compounds and rate constants for atmospheric reactions with hydroxyl radicals

, 2010
Adiabatic ionization energy (AIE) calculations were performed at the AM1, PM3, PM6, PDDG, HF/QZVP, and B3LYP/QZVP levels of theory on 722 atmospherically relevant organic compounds with available experimental rate constants for atmospheric reactions with
Sierra Rayne, Kaya Forest
core   +1 more source

Impact of Reaction Parameters and Water Matrices on the Removal of Organic Pollutants by TiO₂/LED and ZnO/LED Heterogeneous Photocatalysis Using 365 and 398 nm Radiation

Nanomaterials, 2021
In this work, the application of high-power LED365nm and commercial, low-price LED398nm for heterogeneous photocatalysis with TiO2 and ZnO photocatalysts are studied and compared, focusing on the effect of light intensity, photon energy, quantum yield ...
Máté Náfrádi, Tünde Alapi, Gábor Bencsik, Csaba Janáky   +3 more
doaj   +1 more source

Oxidation of Isoprene to Methyl vinyl ketone and Methacrolein via Hydroxyl Radical : A Regenerative Mechanism for the Hydroxyl Radical

, 2023
Isoprene is an important molecule in atmospheric chemistry. Belonging to a class of molecules known as volatile organic compounds, it undergoes reactions with several different oxidizers in the atmosphere, including OH(hydroxyl radical).
Howell, Richard, NC DOCKS at East Carolina University   +1 more
core  

Comparative Evaluation of the Radical-Scavenging Activities of Fucoxanthin and Its Stereoisomers

Molecules, 2014
Fucoxanthin (Fuco) is a characteristic carotenoid of brown seaweeds. In the present study, Fuco and its stereoisomers 9'Z-Fuco, 13Z- and 13'Z-Fuco were extracted from Laminaria japonica Aresch.
Yiping Zhang, Hua Fang, Quanling Xie, Jipeng Sun, Rui Liu, Zhuan Hong, Ruizao Yi, Hao Wu   +7 more
doaj   +1 more source

Aspirin May Exert Its Antipyresis by Inhibiting the N-Methyl-D-aspartate Receptor-Dependent Hydroxyl Radical Pathways in the Hypothalamus

Journal of Pharmacological Sciences, 2007
Recent findings have suggested that the N-methyl-D-aspartate (NMDA) receptor-dependent hydroxyl radical pathway in the hypothalamus of rabbit brain may mediate the fever induced by lipopolysaccharide (LPS).
Ting-Yu Kao, Wu-Tein Huang, Ching-Ping Chang, Mao-Tsun Lin   +3 more
doaj   +1 more source

Hydroxyl radical formation following treatment with gA.

, 2015
(A) The hydroxyl radical formation following treatment with 5 μg/ml gA for 1, 2, and 3 hr. (B) The hydroxyl radical formation following treatment with 0, 1, and 20 μg/ml gA for 3 hr.
Yi-Cheng Chen (219949), Chin-Hao Yang (686337), Yu-Jiun Hung (221398), Je-Wen Liou (221385)   +3 more
core   +1 more source

Capture and Stabilization of the Hydroxyl Radical in a Uranyl Peroxide Cluster

, 2023
Radiolysis of water in spent nuclear fuel is known to contribute to the degradation of extractants used in reprocessing schemes; however, much less is known about how free radical species (•OH, HO2-•, e-(aq), •H) formed during water radiolysis interact ...
Korey, Carter, Brett, Lottes
core   +1 more source

One-electron oxidation and reduction of glycosaminoglycan chloramides: a kinetic study.

, 2013
Hypochlorous acid and its acid-base counterpart, hypochlorite ions, produced under inflammatory conditions, may produce chloramides of glycosaminoglycans, these being significant components of the extracellular matrix (ECM).
Parsons, BJ, Houee-Levin, C., Sibanda, S., Heyes, D. J.; id_orcid, Marignier, JL, Sibanda, S, Parsons, B. J., Marignier, J. L., Paterson, A. W J, Houee-Levin, C, Paterson, AW, Heyes, DJ   +11 more
core   +1 more source

Re-assessing hydroxyl radical chemistry in the atmosphere: Instrument interferences may explain previous measurement discrepancies

Communications Earth & Environment
The hydroxyl radical controls the removal of many trace gases in the atmosphere and initiates the production of secondary pollutants such as ground-level ozone and secondary organic aerosols.
Paige Price, Brandon Bottorff, Jena Jenkins, William H. Brune, Philip S. Stevens   +4 more
doaj   +1 more source