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hydroxyl radicals

Adenine oxidation by pyrite-generated hydroxyl radicals

Adenine oxidation by pyrite-generated hydroxyl radicals

... form hydroxyl radicals and degrade nucleic ...pyrite-induced hydroxyl radicals and nucleic acid bases, however, remain to be ...peroxide) hydroxyl radicals to adenine oxidation ...

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Near infrared multiphoton induced generation and detection of hydroxyl radicals in a biochemical system

Near infrared multiphoton induced generation and detection of hydroxyl radicals in a biochemical system

... peroxyl radicals with modest ...the radicals or chemical products from ethanol will react with tryptophan to give ...such hydroxyl, which is then involved in production of 5-OHTrp and ...

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Fluorescence detection of hydroxyl radicals in water produced by atmospheric pulsed discharges

Fluorescence detection of hydroxyl radicals in water produced by atmospheric pulsed discharges

... OVER recent years, strong interest in the microbiological and chemical actions of non-thermal plasmas has resulted in the development of a number of potential practical (environmental and medical) applications of such ...

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Preparation, Characterization, And Application of Liposomes in the Study of Lipid Oxidation Targeting Hydroxyl Radicals

Preparation, Characterization, And Application of Liposomes in the Study of Lipid Oxidation Targeting Hydroxyl Radicals

... Reactive oxygen species can be formed at various places in the human body, but the mitochondria are the primary source of superoxide and hydrogen peroxide in cells. Superoxide in the mitochondria will generally undergo ...

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Role of pyrite in formation of hydroxyl radicals in coal: possible implications for human health

Role of pyrite in formation of hydroxyl radicals in coal: possible implications for human health

... Background: The harmful effects from inhalation of coal dust are well-documented. The prevalence of lung disease varies by mining region and may, in part, be related to regional differences in the bioavailable iron ...

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Hydrocarbon Removal in Power Plant Plumes Shows Nitrogen Oxide Dependence of Hydroxyl Radicals

Hydrocarbon Removal in Power Plant Plumes Shows Nitrogen Oxide Dependence of Hydroxyl Radicals

... of hydroxyl radicals on the concentration of nitrogen oxides downwind from power plants in the Southeast ...higher hydroxyl radical concentrations at the elevated nitrogen oxide ...high ...

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Characterisation of an inlet pre-injector laser-induced fluorescence instrument for the measurement of atmospheric hydroxyl radicals

Characterisation of an inlet pre-injector laser-induced fluorescence instrument for the measurement of atmospheric hydroxyl radicals

... Abstract. Atmospheric measurements of hydroxyl radicals (OH) are challenging due to a high reactivity and conse- quently low concentration. The importance of OH as an at- mospheric oxidant has motivated a ...

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Excessive formation of hydroxyl radicals and aldehydic lipid peroxidation products in cultured skin fibroblasts from patients with complex I deficiency

Excessive formation of hydroxyl radicals and aldehydic lipid peroxidation products in cultured skin fibroblasts from patients with complex I deficiency

... the hydroxyl radicals and singlet oxygen through metal-chelate-complex–catalyzed reactions ...of hydroxyl radicals and aldehydic lipid peroxidation products demonstrated here again seems to be ...

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Time-dependent toxicity of cadmium telluride quantum dots on liver and kidneys in mice: histopathological changes with elevated free cadmium ions and hydroxyl radicals

Time-dependent toxicity of cadmium telluride quantum dots on liver and kidneys in mice: histopathological changes with elevated free cadmium ions and hydroxyl radicals

... Time-dependent toxicity of cadmium telluride quantum dots on liver and kidneys in mice: histopathological changes with elevated free cadmium ions and hydroxyl radicals.. Mengmeng Wang[r] ...

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Comparison of fluorescence-based techniques for the quantification of particle-induced hydroxyl radicals

Comparison of fluorescence-based techniques for the quantification of particle-induced hydroxyl radicals

... One of our goals of having an ROS detection method is for its implementation for the detection of particulate- generated hydroxyl radicals. From previous research, we know that aqueous suspensions of pyrite ...

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Fluorescence detection of hydroxyl radicals in water produced by atmospheric pulsed discharges

Fluorescence detection of hydroxyl radicals in water produced by atmospheric pulsed discharges

... that hydroxyl (OH) radicals can be generated by streamer discharges across water surfaces under ambient atmospheric ...conditions. Hydroxyl radicals have the highest oxidation capability ...

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Hydroxyl radicals and hydrogen peroxide formation at nonthermal plasma-water interface

Hydroxyl radicals and hydrogen peroxide formation at nonthermal plasma-water interface

... investigated hydroxyl radicals and hydrogen peroxide formation under a needle-plate electrode configuration using positive-polarity ...that hydroxyl radicals contribute to 7%, 78% and 70% of ...

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Relationship between production of hydroxyl radicals and degradation of wood, crystalline cellulose, and a lignin-related compound or accumulation of oxalic acid in cultures of brown-rot fungi

Relationship between production of hydroxyl radicals and degradation of wood, crystalline cellulose, and a lignin-related compound or accumulation of oxalic acid in cultures of brown-rot fungi

... Hydroxyl radical production in glucose and wood cultures The assay for ·OH, based on the transformation of dimethyl sulfoxide to methanesulfinic acid, is specific for ·OH. 13 In glucose cultures, only LZT produced ...

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Spectroscopy and Photo-induced Chemistry of Atmospherically Significant Criegee Intermediates and Hydroxyl Radicals

Spectroscopy and Photo-induced Chemistry of Atmospherically Significant Criegee Intermediates and Hydroxyl Radicals

... CH3CHOO, (CH3)2COO and CH3CH2CHOO, were generated by photolysis of gem-diiodo compounds and subsequent reaction with oxygen in a quartz capillary tube reactor prior to free jet expansion. The Criegee intermediates were ...

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Immunogold labeling of an extracellular substance producing hydroxyl radicals in wood degraded by brown-rot fungusTyromyces palustris

Immunogold labeling of an extracellular substance producing hydroxyl radicals in wood degraded by brown-rot fungusTyromyces palustris

... Figure 4 demonstrates that the .OH-producing substance is localized within the fungal cytoplasm and cell wall, the extracellular sheath surrounding the fungal cell wall[r] ...

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Hydroxyl Radical Generation in Oxygen-treated Infants

Hydroxyl Radical Generation in Oxygen-treated Infants

... free radicals in these infants. This does not exclude a role of free radicals in the higher incidence of intraventricular hemor- rhage observed among infants in the present ...generate hydroxyl ...

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Antioxidant activity of melatonin and glutathione interacting with hydroxyl- and superoxide anion radicals

Antioxidant activity of melatonin and glutathione interacting with hydroxyl- and superoxide anion radicals

... oxygen radicals, which correspond to the deepest minima of full energy of their ...and radicals follows the acid-base mechanism, and in so doing antioxi- dants act as a base in respect of •ОН and as an acid ...

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A kinetic and mechanistic approach to protection and repair of tert butoxyl radicals induced adenine radicals by chlorogenic acid

A kinetic and mechanistic approach to protection and repair of tert butoxyl radicals induced adenine radicals by chlorogenic acid

... free radicals formed in mammalian cells during respiration, metabolism and ...the hydroxyl radicals on DNA and its constituents have been extensively studied [2] but relatively little is known about ...

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Titanium and Fluoride Co-substitution in Hydroxyl Apatite

Titanium and Fluoride Co-substitution in Hydroxyl Apatite

... the hydroxyl apatite unit cell is well known it leads to conclusion that by adding the fluoride, titanium acts completely ...in hydroxyl apatite[33], but there isn’t any theoretical study about the ...

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Evidence for hydroxyl radical production by human neutrophils

Evidence for hydroxyl radical production by human neutrophils

... The possibility that neutrophils produce the hydroxyl radical OH- was studied by examining the ability of these cells to support the release of ethylene from methional, a reaction in whi[r] ...

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