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Dissertations / Theses on the topic 'Oxidized system'

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1

Wang, Yanmei. "THE THIOL REDOX SYSTEM IN OXLDL-INDUCED MACROPHAGE INJURY." UKnowledge, 2006. http://uknowledge.uky.edu/gradschool_theses/383.

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Macrophage death is likely to contribute to the transformation of fatty streaks into advanced atherosclerotic lesions. Previous work in the laboratory showed that OxLDL promotes cell death in human macrophages by a mechanism involving intracellular peroxide formation. Here we show that glutathione depletion induced by OxLDL occurs independent of peroxyl radical formation. Our data suggest that the depletion of glutathione is the fundamental defect that renders macrophages susceptible to OxLDL-induced cell injury, but alone is not sufficient to kill macrophages. We indicate that increased prote
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2

Muraco, Cory E. "Isolation and Characterization of Oxidized Lysozyme Variants Produced by a Copper(II)/Hydrogen Peroxide Metal-Catalyzed Oxidation System." Youngstown State University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1369228839.

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3

Lidman, Martin. "The role of the mitochondrial membrane system in apoptosis : the influence of oxidative stress on membranes and their interactions with apoptosis-regulating Bcl-2 proteins." Doctoral thesis, Umeå universitet, Kemiska institutionen, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-110701.

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Apoptosis is a crucial process in multicellular organisms in sculpting them, especially during embryogenesis. In addition, apoptosis is responsible for the clearance of harmful or damaged cells which can otherwise be detrimental to the organism. The Bcl-2 family proteins are key players in the regulation of the intrinsic pathway of the apoptotic machinery. This family consists of three subfamilies with B-cell CLL/lymphoma 2 (Bcl-2) protein itself representing anti-apoptotic members, the Bcl-2-associated X protein (Bax), and pro-apoptotic BH3-only signaling proteins. The interplay between pro-
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4

Kerns, Michael Lester. "I. A Model System for the Anodic Oxidation of 4-(2'- Alkenylphenyl)Phenols: Evidence for a Phenoxonium Ion Intermediate II. Carbon-Carbon Bond Forming Reactions of Oxidized Phenol Intermediates with Vinyl Sulfides III. Naphthopyran Quinone.. /." The Ohio State University, 1995. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487930304684744.

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5

Пітак, Ярослав Миколайович. "Вогнетривкі та жаростійкі неформовані матеріали на основі композицій системи RO – R₂O₃ – RO₂ – P₂O₅". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2005. http://repository.kpi.kharkov.ua/handle/KhPI-Press/40380.

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Дисертація на здобуття наукового ступеня доктора технічних наук за спеціальністю 05.17.11 – технологія тугоплавких неметалічних матеріалів. – Національний технічний університет “Харківський політехнічний інститут”, Харків, 2005. Дисертація присвячена розробці наукової концепції створення вогнетривких та жаростійких неформованих матеріалів на основі композицій системи RO – R₂O₃ – RO₂ – P₂O₅. Досліджено субсолідусну будову чотирикомпонентних систем: M–A–S–P, C–А–S–P, Zn–Z–S–B, Zn–A–Z–S, C–M–S–P, A–Z–S–P, M–Z–S–P, C–A–S–B, C–A–Z–S, C–M–A–S, C–Sr–A–Z. Визначено співіснуючі фази в системах, виконан
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6

Daher, Jalil. "Exposure of endothelial cells to physiological levels of myeloperoxidase modified LDL delays pericellular fibrinolysis and reduces cell motility." Doctoral thesis, Universite Libre de Bruxelles, 2014. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209337.

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Cardiovascular diseases are considered the first cause of death in westernized societies. They are directly linked to atherosclerosis, a clinical condition characterized by a thickening of the arterial wall. Atherosclerosis is in his turn linked to various genetic and environmental factors; among those factors are high oxidized LDL levels and endothelial dysfunction. In the present study, we have analyzed in vitro the effect of myeloperoxidase oxidized LDL on endothelial cells at the level of fibrinolysis and cell motility.<p>In the first part of the work, we measured fibrinolysis in real time
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7

Chen, Yumin. "Oxidation of Polymeric Polyphenols (Tannins) in Biologically Relevent Systems." Miami University / OhioLINK, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=miami1089232925.

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8

Stoddard, Rob L. "Experimental Investigation of N2O/O2 Mixtures as Volumetrically Efficient Oxidizers for Small Spacecraft Hybrid Propulsion Systems." DigitalCommons@USU, 2019. https://digitalcommons.usu.edu/etd/7690.

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A hybrid thruster system utilizes propellants in two different stages, traditionally a solid fuel and a gaseous or liquid oxidizer. Recently hybrid thrusters have become a popular topic of research due to the high demand of a ”green” replacement for hydrazine. Not only are hybrid thruster systems typically much safer than hydrazine, but they are also a low-cost system with a high reliability in performance. The Propulsion Research Laboratory (PRL) at Utah State University (USU) has developed a hybrid thruster system using 3-D printed acrylonitrile butadiene styrene (ABS) as the fuel and gaseou
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9

Delles, Rebecca. "DIETARY ANTIOXIDANT SUPPLEMENTATION (ECONOMASE–BIOPLEX) TO ALLEVIATE ADVERSE IMPACTS OF OXIDIZED OIL ON BROILER MEAT QUALITY: A CHEMICAL, TEXTURAL, ENZYMATIC, AND PROTEOMIC STUDY." UKnowledge, 2013. http://uknowledge.uky.edu/animalsci_etds/29.

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This study investigated the influence of dietary antioxidants and quality of oil on the oxidative and enzymatic properties of chicken broiler meat stored in an oxygen-enriched package (HiOx: 80% O2/20% CO2) in comparison with air-permeable polyvinylchloride (PVC) or skin (SK) packaging systems during retail display 2–4 °C for up to 14, 7, and 21 d, respectively. Broilers were fed a diet either with a low-oxidized oil (peroxide vale POV 23 meq O2/kg) or with a high-oxidized oil (POV 121 meq O2/kg), supplemented with an antioxidant pack (200 ppm EconomasE and organic minerals Se, Zn, Cu, Mn, and
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10

Faenza, Martina. "Numerical and Experimental Characterization of Throttleable Hybrid Propulsion Systems. Caratterizzazione Numerica e Sperimentale di Sistemi Propulsivi Ibridi a Spinta Variabile." Doctoral thesis, Università degli studi di Padova, 2014. http://hdl.handle.net/11577/3423857.

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The 1960s have been flourishing years for hybrid rocket propulsion: the thirst for knowledge pushed the engineers of those years to design and test any kind of motor configuration, and for several possible applications. Many projects of those years are fascinating and outstanding still nowadays. The cold war era had extinguished any enthusiasm and interest for hybrids for years. It is approximately at the beginning of the '90s that a renew interest for hybrids has come alive, since, besides the pure performance, affordability and safety have become a must. Hybrids are safe, simple, reli
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11

Слюзар, Андрій Володимирович. "Теоретичні основи і технології очищення безкисневих газів від сірководню хінгідронним методом". Diss., Національний університет "Львівська політехніка", 2021. https://ena.lpnu.ua/handle/ntb/56693.

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У дисертації наведено результати досліджень, спрямованих на розвиток теоретичних основ і технологій очищення безкисневих (природних і технологічних) газів від H2S хінгідронними окисними системами (ХОС) з одержанням сірки. Досліджено взаємну розчинність інгредієнтів хінгідронного поглинального розчину (ХПР) та їх вплив на фізико-хімічні властивості розчину. Теоретично обґрунтовано вибір масообмінної апаратури для процесів хемосорбції H2S на стадії очищення газів та О2 на стадії регенерації поглинального розчину. Досліджено вплив умов формування ХОС на її окисно-відновні та фізико-хімічні власт
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12

Schönström, Linus, Anna Nordh, Anton Strignert, et al. "A process recipe for bonding a silicone membrane to a plastic substrate." Thesis, Uppsala universitet, Institutionen för teknikvetenskaper, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-201008.

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A spin-cast silicone membrane has been successfully bonded between two injection-molded microstructured plastic discs. This sandwich structure creates a useful platform for mass production of microfluidic systems, provided that the bonds are leakproof. The bonds were achieved by a silicon dioxide coating deposited on the plastic discs by evaporation. This investigation is concerned with the process and the result only, no theory is discussed.
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13

"Effect of oxidized LDL and oxidized cholesterol on cardiovascular system." 2005. http://library.cuhk.edu.hk/record=b5892329.

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Ng Chi Ho.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2005.<br>Includes bibliographical references (leaves 147-160).<br>Abstracts in English and Chinese.<br>ACKNOWLEDGMENTS --- p.I<br>ABSTRACT --- p.II<br>LIST OF ABBREVIATIONS --- p.VII<br>TABLE OF CONTENTS --- p.IX<br>Chapter CHAPTER 1 --- GENERAL INTRODUCTION<br>Chapter 1.1 --- Introduction of Low-density lipoprotein --- p.1<br>Chapter 1.1.1 --- What are lipids? --- p.1<br>Chapter 1.1.2 --- Function and structure of cholesterol --- p.1<br>Chapter 1.1.3 --- Function and classification of lipoprotein --- p.1<br>Chapter 1.2 -
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14

Park, Sung Hyuk. "Perchlorate Degradation Using Partially Oxidized Titanium Ions and Ion Exchange Membrane Hybrid System." Thesis, 2010. http://hdl.handle.net/1969.1/ETD-TAMU-2010-05-7849.

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Perchlorate has entered human and environmental food chains and has received a great deal of attention because of its toxicity to humans. In this study, chemical degradation of perchlorate was investigated using partially oxidized titanium ions (Ti2+ and Ti3+) in solutions and as part of an ion exchange membrane reactor system. Aqueous titanium ions (Ti2+ and Ti3+) were applied to remove perchlorate ions and its destructive mechanism, reaction kinetics, and the effect of environmental factors were investigated. Titanium ions were able to degrade perchlorate ions very rapidly with half life les
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15

Wu, Hai-Ping, and 吳海平. "Effect of oxidized frying oil-containing diet on development of male reproductive system in SD rats." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/y2xphp.

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16

FERIC, NICOLE T. "Interactions of Lipoprotein(a) with the Plasminogen System: Mechanisms and Pathophysiological Consequences." Thesis, 2011. http://hdl.handle.net/1974/6905.

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Elevated plasma concentrations of lipoprotein(a) (Lp(a)) are associated with increased risk of atherothrombotic disease. Lp(a) is a unique lipoprotein consisting of a low density lipoprotein-like moiety covalently linked to apolipoprotein(a) (apo(a)), a homologue of the fibrinolytic proenzyme plasminogen. Apo(a) is extremely heterogeneous in size with small isoforms being independently associated with increased cardiovascular risk. Several in vitro and in vivo studies have shown that Lp(a)/apo(a) can inhibit tissue-type plasminogen activator (tPA)-mediated plasminogen activation on fibrin sur
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17

Wang, Wei-Fan, and 汪瑋範. "Study on energy saving of a thermal oxidizer system." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/46678288177152275649.

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碩士<br>國立中山大學<br>環境工程研究所<br>104<br>This study investigated the treatment of volatile organic compounds (VOCs) emitted from resin production at a factory in Yong-An Industrial Park, Taiwan. Originally treated with a direct-fired thermal oxidizer (TO) that uses fuel oil as the fuel source, the VOCs was subsequently treated with a regenerative thermal oxidizer (RTO) that uses liquefied natural gas as the fuel in order to investigate the changes in destruction and removal efficiency (DRE) for VOCs as well as the energy-saving efficiency of the RTO as a result of a change in the type of fuel used. A
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18

Lin, Hsu-Her, and 林旭和. "Application of six sigma method for the optimization of a zeolite rotor /oxidizer system." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/01938168344669218611.

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碩士<br>國立交通大學<br>工學院永續環境科技學程<br>100<br>The zeolite rotor/oxidizer system for organic waste gas emission reduction is an advanced air pollution control device (APCD) which is widely applied in many high-tech. industry plants. However it is often under the conflict situation between operation efficiency and the operating costs. In this study, the six standard deviations method which uses the D-M-A-I-C (Define-Measure-Analyze-Improve-Control) approach to improve the system operation is employed. It has incorporated the characteristic figure、Plato figure、effect figure、SPC and other quality control
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19

Botas, Alexandre Manuel Pedroso. "Photoluminescence of crystalline silicon nanoparticle systems." Doctoral thesis, 2019. http://hdl.handle.net/10773/27720.

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The understanding of the luminescence properties of silicon at nanoscale is a relevant subject for the development of new light emitting devices. In this work, the emission features of crystalline silicon nanoparticles is studied. To reveal the role of the surface termination on the photoluminescence properties of silicon nanoparticles with several terminations (hydrogen, silicon oxide or organic molecules) photoluminescence in steady-state and time-resolved modes and measurements of the emission quantum yield were performed. At room temperature, the emission spectra of silicon nanoparticles
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20

YAN, YUAN-SHENG, and 嚴元聲. "Application of Six Sigma Methodology to Optimize Operation of a Regenerative Thermal Oxidizer System connected Zeolite Rotor Concentrator." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/t59jb6.

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碩士<br>國立勤益科技大學<br>冷凍空調與能源系<br>107<br>This study focuses on adjusting operation parameters of volatile organic compounds(VOCs) treatment equipment, so as to conduct the optimal adjustment and improvement in a short time, to keep the treatment efficiency above 95% and to efficiently reduce the gas usage. In this study, combined with statistical methods and Minitab statistical software, Taguchi Methodology and the five steps (D-M-A-I-C, namely, definition, measurement, analysis, improvement and control) of Six Sigma are used to explore and analyze the issues of the three-tower type regenerative t
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Santos, João Filipe Rodrigues Pereira. "Salinity as a key selector on the activity and diversity of ammonia oxidizers in estuarine systems." Master's thesis, 2016. https://repositorio-aberto.up.pt/handle/10216/88578.

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Santos, João Filipe Rodrigues Pereira. "Salinity as a key selector on the activity and diversity of ammonia oxidizers in estuarine systems." Dissertação, 2016. https://repositorio-aberto.up.pt/handle/10216/88578.

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23

McCormick, Ian. "Long-term impacts of tillage, crop rotation and cover crop systems on soil bacteria, archaea and their respective ammonia oxidizing communities in an Ontario agricultural soil." Thesis, 2013. http://hdl.handle.net/10214/6616.

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This research assessed the seasonal effects of contrasting tillage and crop rotation systems on soil ammonia oxidizing bacteria (AOB) and archaea (AOA). Four different cropping systems under till and no-till were analyzed in a 30 year-old agricultural field trial. Samples were collected during the 2010 growing season at times corresponding with agronomic events. Nucleic acids were preserved in the field and subsequently analyzed by quantitative real-time polymerase chain reactions (qPCR). Tillage decreased AOB activity and abundance in the plow layer (0-15 cm) immediately after fall moldboard
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