Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 236 for “"Oxidants"”.
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Nitrogen-Oxidants Enable Group-Transfer Reactions
… molecules. In recent years, nitrogen-centered oxidants have garnered significant attention as a result of their ability to engage in selective and predictable synthetic transformations of these groups. Within this broad class of reactions, herein disclosed are investigations into two …
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The effect of various oxidants on water treatment processes
The effects of four oxidants upon water treatment process parameters were investigated. The four oxidants under consideration were ozone, chlorine dioxide, potassium permanganate, and chlorine, Experimentation was directed towards the impact of these oxidants upon turbidity, TOC, and color removal, …
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Role of oxidants in the microbicidal mechanisms of polymorphonuclear leukocytes
This document only includes an excerpt of the corresponding thesis or dissertation. To request a digital scan of the full text, please contact the Ruth Lilly Medical Library's Interlibrary Loan Department (rlmlill@iu.edu).
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A role for glutathione in reactions between oxidants and proteins
… was found here to be S-glutathiolated by two oxidants, 2,2'-Azobis(2-amidinopropane)dihydrochloride (AAPH) and hydrogen peroxide (H2O2). At physiologically relevant molar ratios of GSH to protein, GSH was found to mediate protection of carbonic anhydrase III from irreversible oxidation via …
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Controlled doping of organic semiconductors and 2d materials with molecular reductants and oxidants
New air-stable dimeric n-dopants are synthesized and studied in detail with respect to the kinetics of both their redox reaction in solution with and their doping in the solid-state of various organic semiconductor acceptors. Detailed mechanistic studies are necessary to recognize the strengths and …
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The Impact Of Myeloperoxidase And Its Related Oxidants On Metaphase Ii Mouse Oocyte Quality
<p>Inflammatory reactions mediated by oxidative stress (OS) have been implicated in the deterioration of oocyte quality, which may lead to subfertility. Oxidative stress generated from enhancement of activated macrophages secondary to an inflammatory response are the major source of reactive oxygen …
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PROTECTION OPTIMIZATION OF CARBON-CARBON COMPOSITES AGAINST AIR OXIDATION BY COATING WITH ANTI-OXIDANTS
… DISC-BRAKES MATERIAL BY COATING WITH ANTI-OXIDANTS) Developing glass enhancer mixture solutions (Ki’s), which promote the formation of a stable glass layer, homogenous clear liquid solution, and low viscosity liquid form, are easy to apply, and penetrating. They are compatible with ceramic …
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Role of oxidants in the removal of iron and organics from Harwood's Mill Reservoir
The possibility of the existence of an iron-organic interaction in Harwood's Mill Reservoir contributing to a problem with floe formation after chlorinating filter-applied water was investigated. Shortened filtration-cycle times resulted when the filter-applied water contained the floc. The effects …
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On the leaching behavior of uranium-bearing resources in carbonate-bicarbonate solution by gaseous oxidants
Uranium is recognized to be a critical commodity in the context of satisfying the global energy-demands for the twenty-first century and beyond. In 2013, a significant supply gap of 17% between worldwide production and consumption of uranium was identified. Consequently, low-grade uranium-bearing …
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The role of anti-oxidants in the prevention of post-race upper respiratory tract infection
Several epidemiological reports suggest that athletes engaging in marathon-type running events are at increased risk of symptoms of upper respiratory tract infections (URTI). A possible explanation for this increased susceptibility is that during prolonged, strenuous exercise, production of …
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Fundamental Studies of Two Important Atmospheric Oxidants, Ozone and Hydroxyl Radical, Reacting with Model Organic Surfaces
Heterogeneous reactions between gas-phase oxidants and particulate-phase organic compounds impact many important atmospheric chemical processes. For example, little is known about the reaction dynamics of gaseous oxidants with organic compounds found in the atmosphere. The first step of the …
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ADVANCED PHOSPHORUS BASED MIGRATION RESISTANT ANTI-OXIDANTS FOR CARBON-CARBON COMPOSITE AIRCRAFT BRAKES WITH INCREASED CATALYTIC OXIDATION RESISTANCE
… advanced anti-oxidant systems. The advanced antioxidants analyzed protected the C/C composite from thermal and catalytic oxidation six to ten times better at 650°C than commercial materials. At 871°C, the antioxidants protected the C/C composite from thermal oxidation ten times better than …
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Atmospheric Chemistry of Outdoor and Indoor Environments: Physical and Chemical Characterization of Urban Grime and Measurements of Oxidants in Vehicle Cabins
… significant enough for photochemistry of select oxidants to potentially take place within the cabin. </p>
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Role of Redox-Active Trace Metal (RATM) Oxidants in the Regulation of Toll-Like Receptor 4 (TLR4) Signaling-Mediated Inflammatory Phenotype in Synovial Fibroblasts
… trace metals (RATM) as exogenous pro-oxidants in the pathogenesis of RA has not yet been investigated. Evidence suggests that oxidant-induced Toll-like receptor 4 (TLR4) activation plays a significant role in initiating “sterile” inflammation. Here, we investigate for the first time …
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Chronic Respiratory Disease Symptom Effects of Long-Term Cumulative Exposure to Passive Tobacco Smoke and to Ambient Levels of TSP, Oxidants, SO2, and NO2 in Southern California
… long-term exposure to the ambient levels of TSP, oxidants, SO2 and NO2 in photochemical air pollution, symptoms were ascertained using NHLBI questions on 8,572 Southern California Seventh-day Adventist, nonsmokers, 25 years and older, who lived eleven years or longer in their 1977 residential …
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Effects of a dietary antioxidant blend on growth performance, liver function, oxidative stress, and meat and fat quality in pigs and broiler chickens fed diets high in oxidants
… in pigs and broiler chickens fed a diet high in oxidants. The objective of the first study was to evaluate the antioxidant blend on growth performance, meat quality, liver function, oxidative status, carcass characteristics, meat quality, and fatty acid profile in pigs. Crossbred barrows (n = …
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Palladium (II) Mediated Transformation: Exploring Synthetic Methodology for the Synthesis of Cyclopentenones from Tertiary-Cyclobutanois
… various palladium(II) sources, ligands, oxidants, bases, solvents and reaction temperatures failed. Interesting and unexpected results were however obtained while exploring copper(II) chloride and copper(II) bromide as potential oxidants.
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Investigation of Chalcopyrite Leaching Kinetics by Alternative Leaching Chemicals
… leaching kinetic. In addition, alternative oxidants, hydrogen peroxide (H2O2), dichromate (Cr2O72-) and nitrate (NO3-) were also tested to study chalcopyrite leaching behavior in the presence of the oxidants in alternative lixiviants.Chalcopyrite leaching tests were conducted to choose the …
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