Дисертації з теми "Free radicals (Chemistry) – Analysis"
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Chiu, Yuen-Yuen. "Experimental and theoretical analysis of free radical crosslinking polymerizations /." The Ohio State University, 1994. http://rave.ohiolink.edu/etdc/view?acc_num=osu148785841798507.
Повний текст джерелаBucknall, Martin Paul Medical Sciences Faculty of Medicine UNSW. "Dityrosine as a biomarker of free radical induced oxidative damage in diseases of ageing." Awarded by:University of New South Wales. School of Medical Sciences, 2006. http://handle.unsw.edu.au/1959.4/30207.
Повний текст джерелаRen, Jiyun. "Analysis of free radical characteristics in biological systems based on EPR spectroscopy, employing blind source separation techniques." Click to view the E-thesis via HKUTO, 2006. http://sunzi.lib.hku.hk/hkuto/record/B36797479.
Повний текст джерелаRen, Jiyun, and 任紀韞. "Analysis of free radical characteristics in biological systems based on EPR spectroscopy, employing blind source separation techniques." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2006. http://hub.hku.hk/bib/B36797479.
Повний текст джерелаHsu, Chih-Pin George. "An integrated analysis of styrene/unsaturated polyester free radical cross-linking polymerizations /." The Ohio State University, 1992. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487780393264696.
Повний текст джерелаLiu, Chia-chi. "Oxidation of ascorbate by protein radicals in simple systems and in cells." Phd thesis, Australia : Macquarie University, 2007. http://hdl.handle.net/1959.14/16746.
Повний текст джерелаBibliography: leaves 295-322.
Generation of peroxide groups in proteins exposed to a wide variety of reactive oxygen species (ROS) requires an initial formation of protein carbon-centred or peroxyl free radicals, which can be reduced to hydroperoxides. Both protein radicals and protein hydroperoxides are capable of oxidizing important biomolecules and thus initiate biological damage. In this study, we investigated the inhibition of protein hydroperoxide formation by ascorbate and GSH in gamma-irradiated HL-60 cells.--We used HL-60 cells as a model for general protection of living organisms by ascorbate (Asc) and glutathione (GSH) from the deleterious effects of protein hydroperoxides generated by radicals produced by gamma radiation. Measurement by HPLC indicated that incubation of HL-60 cells with Asc in the presence of ascorbate oxidase resulted in the accumulation of intracellular Asc. The intracellular Asc levels were lowered by irradiation, demonstrating intracellular consumption of Asc by the radiation-generated radicals. Exposure of HL-60 cells to increasing gamma irradiation doses resulted in increasing accumulation of protein peroxides in the cells. This was measured by the FOX assay. A significant decrease in intracellular protein hydroperoxides was noted when the cells were treated with ascorbic acid before irradiation. A dose-dependent protective effect of Asc was observed. Asc loading also provided strong protection from radiation-generated protein hydroperoxides independently of the composition of the external medium, showing that only the radicals formed within the cells were effective in oxidizing the cell proteins. Similarly, protein peroxidation was inhibited in cells with enhanced levels of GSH and increased when the intracellular GSH concentration was reduced. These findings indicate that ascorbate and GSH are important antioxidants in protecting cells from oxidative stress associated with the generation of protein hydroperoxide.
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Mills, Tim. "Studies in free radical chemistry." Thesis, University of Nottingham, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342465.
Повний текст джерела梁韻詩 and Wan-sze Leung. "High resolution spectroscopy of free radicals." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1998. http://hub.hku.hk/bib/B31237319.
Повний текст джерелаLeung, Wan-sze. "High resolution spectroscopy of free radicals /." Hong Kong : University of Hong Kong, 1998. http://sunzi.lib.hku.hk/hkuto/record.jsp?B19737610.
Повний текст джерелаCrockett, Rowena. "Generation of free radicals from heterocyclic compounds." Thesis, University of Aberdeen, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.290239.
Повний текст джерелаRobles, Eric San Jose. "Electronic spectroscopy of jet-cooled organometallic free radicals /." The Ohio State University, 1992. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487776801323524.
Повний текст джерелаTowle, Jonathan Peter. "The LMR spectra of free radicals." Thesis, University of Oxford, 1992. http://ora.ox.ac.uk/objects/uuid:7ac8e9e4-33e8-428b-962d-943bf07d5f94.
Повний текст джерелаBlack, Michael. "Gas phase cyclisation reactions of aromatic free radicals." Thesis, University of Edinburgh, 1990. http://hdl.handle.net/1842/10822.
Повний текст джерелаZaidi, Naveed Ahmed. "Ring opening/cyclisation in oxiranyl carbinyl free radicals." Thesis, Loughborough University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303179.
Повний текст джерелаPushkarsky, Michael B. "High resolution spectroscopy and photochemistry of the free radicals /." The Ohio State University, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=osu1488202678773409.
Повний текст джерелаImrie, Christopher. "The chemistry of free radicals containing a ferrocenyl moiety." Thesis, University of Strathclyde, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.390393.
Повний текст джерелаQureshi, Tariq. "Spin chemistry." Thesis, University of Oxford, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365292.
Повний текст джерелаWright, N. G. "Laser induced fluorescence studies of some simple free radicals." Thesis, University of Bristol, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.354707.
Повний текст джерелаHon, Nyok-Sai. "Formation, characterization, and chemical reactions of free radicals in lignin." Diss., Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/54437.
Повний текст джерелаPh. D.
Fitzpatrick, James Alexandr John. "Hyperfine structure in the excited electronic states of free radicals." Thesis, University of Bristol, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.288579.
Повний текст джерелаMa, Tongmei, and 馬彤梅. "Cavity ringdown laser absorption spectroscopy of free radicals." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B30137342.
Повний текст джерелаHuang, Horng-Chih. "Total syntheses of (+,-) pleurotin and (+,-) dihydropleurotin acid /." The Ohio State University, 1988. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487584612165839.
Повний текст джерелаRitchie, A. J. D. "Chemically induced dynamic electron polarisation of transient free radicals in solution." Thesis, University of Oxford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.354864.
Повний текст джерелаRhodes, C. J. "Structural studies of organic and organosilicon free radicals by ESR spectroscopy." Thesis, University of Sussex, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.370439.
Повний текст джерелаCrosby, David. "Preliminary studies of the reactions of alkenyl α-nitroalkyl free radicals". Thesis, Loughborough University, 1993. https://dspace.lboro.ac.uk/2134/26974.
Повний текст джерелаGillett, David Alan. "Transient free radicals studied by laser magnetic resonance spectroscopy." Thesis, University of Oxford, 1994. http://ora.ox.ac.uk/objects/uuid:038bdb7e-1f8c-4112-bcea-4a0ca7ab7bcf.
Повний текст джерелаBurrows, Jeremy N. "Free radical methodology and approaches to the synthesis of roseophilin." Thesis, University of Oxford, 1996. http://ora.ox.ac.uk/objects/uuid:a2bd60aa-c369-4412-aea1-d93a6eab07db.
Повний текст джерелаWright, Rossana Rubino. "High resolution, rotationally resolved, electronic spectroscopy of free radicals : MgCH3, MgNC and HCCs /." The Ohio State University, 1998. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487949508372479.
Повний текст джерелаLampiao, Fanuel. "Measurement of free radicals and their effects on human spermatozoa." Thesis, Link to the online version, 2006. http://hdl.handle.net/10019/212.
Повний текст джерелаSmith, Kamilah. "Semi-quantitative detection of free radicals using spin trapping and phosphorus-31 NMR spectroscopy." Thesis, McGill University, 2003. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=79130.
Повний текст джерелаA novel equilibrium reaction involving molecular oxygen and alkaline hydrogen peroxide was investigated and it was found that the concentration of superoxide radicals present in a system of alkaline hydrogen peroxide is affected by the nature of gas with which it is in equilibrium. The concentration of superoxide radicals was determined to be significantly larger than that of hydroxyl radicals at elevated pH values.
Experiments have shown that NMR in conjunction with spin trapping can be a valuable tool for the detection and quantification of radical species.
Simpson, Nigel J. K. "Studies of transient free radicals in solution by flash photolysis E.S.R." Thesis, University of Oxford, 1990. http://ora.ox.ac.uk/objects/uuid:dd9a8aa9-f68a-4362-af7e-6c052fa3a5fe.
Повний текст джерелаKirsop, Peter James. "Determination of the philicity of the aryl radical." Thesis, University of Aberdeen, 2007. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=217986.
Повний текст джерелаZhu, Lei. "On Visualizing Branched Surface: an Angle/Area Preserving Approach." Diss., Available online, Georgia Institute of Technology, 2004, 2004. http://etd.gatech.edu/theses/available/etd-09142004-114941/.
Повний текст джерелаAnthony J. Yezzi, Committee Member ; James Gruden, Committee Member ; Allen Tannenbaum, Committee Chair ; May D. Wang, Committee Member ; Oskar Skrinjar, Committee Member. Vita. Includes bibliographical references.
Gopalakrishnan, Sandhya. "Electronic spectroscopy of the alkoxy radicals." Columbus, OH : Ohio State University, 2003. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1051024461.
Повний текст джерелаTitle from first page of PDF file. Document formatted into pages; contains xxiv, 173 p.: ill. (some co.). Includes abstract and vita. Advisor: Terry A. Miller, Dept. of Chemistry. Includes bibliographical references (p. 171-173).
Donato, Karen Ann. "Graft polymerization of methyl methacrylate onto polytetrafluoroethylene free radicals." Ohio : Ohio University, 1985. http://www.ohiolink.edu/etd/view.cgi?ohiou1183996024.
Повний текст джерелаBopegedera, A. M. Ranjika Priyadarshi. "Dye laser and diode laser spectroscopy of gas phase free radicals." Diss., The University of Arizona, 1989. http://hdl.handle.net/10150/184695.
Повний текст джерелаFrum, Coriolan Ioan. "High-resolution Fourier transform infrared spectroscopy of high-temperature molecules and free radicals." Diss., The University of Arizona, 1991. http://hdl.handle.net/10150/185468.
Повний текст джерелаHuang, Meng. "Spectroscopy Studies of Free Radicals and Ions Containing Large Amplitude Motions." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1515012236254284.
Повний текст джерелаPatterson, Hazelyn. "The design and construction of an apparatus for low-temperature dimerization of aliphatic free radicals." DigitalCommons@Robert W. Woodruff Library, Atlanta University Center, 1997. http://digitalcommons.auctr.edu/dissertations/2805.
Повний текст джерелаModglin, James D. "A computational study of the chemistry of 3-phenylpropyl radicals." Virtual Press, 2005. http://liblink.bsu.edu/uhtbin/catkey/1328118.
Повний текст джерелаDepartment of Chemistry
Oredsson, Sven. "Reperfusion injury in skeletal muscle with special reference to oxygen-derived free radicals as mediators /." Lund : Dept. of Surgery, Helsingborg Hospital, 1994. http://catalog.hathitrust.org/api/volumes/oclc/39056318.html.
Повний текст джерелаFlint, Nicholas John. "A study of linewidth variation in the E.S.R. spectra of some radical anions." Thesis, Lancaster University, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329999.
Повний текст джерелаBakioğlu, Levent. "Polymerization and characterization of poly(ethyl methacrylate)." Ankara : METU, 2003. http://etd.lib.metu.edu.tr/upload/1081363/index.pdf.
Повний текст джерелаManandhar, Sudha. "Free Radical Induced Oxidation, Reduction and Metallization of NiSi and Ni(Pt)Si Surfaces." Thesis, University of North Texas, 2010. https://digital.library.unt.edu/ark:/67531/metadc31542/.
Повний текст джерелаWood, Geoffrey Paul Farra. "Theoretical Investigations of Radical-Mediated Protein Oxidation." University of Sydney, 2006. http://hdl.handle.net/2123/1413.
Повний текст джерелаThis thesis primarily details the application of high-level ab initio quantum chemistry techniques in order to understand aspects of free-radical mediated protein oxidation. Traditionally, product analysis and electron paramagnetic resonance (EPR) spectroscopy are the primary means for elucidating the chemistry of protein oxidation. However, in experiments involving relatively small proteins reacting with a controlled radical-flux, a vast array of compounds can be produced, which are often difficult to analyse. Quantum chemical techniques on the other hand, can calculate the properties of any particular species directly, without suffering from the problems associated with experiment, such as side-reactions and chain processes. The results presented in this thesis are aimed at elucidating mechanistic details of protein oxidation, which might otherwise be difficult to probe experimentally. Chapter 1 gives an overview of the free-radical hypothesis of disease and ageing. Protein-derived radicals can undergo a variety of reactions, with the particular reaction that occurs depending on numerous aspects. Many types of reactions have been identified through radiolysis experiments of amino acids, and these are detailed in this chapter. In addition, the key reactive species are characterized and their different chemistries explained. Chapter 2 details the theoretical tools used throughout this thesis. Species with unpaired electrons (radicals) present unique problems for quantum chemistry to handle, thus an appropriate choice of theoretical technique is needed. The approach taken in this thesis is to use high-level compound methods, many of which have been directly formulated to give improved results for radical species, to provide benchmark quality results by which other less demanding techniques can be assessed. During the course of this study, it became apparent there was a void in the armoury of tools that could be used for the theoretical chemistry calculations. Chapter 3 details the formulation of a new tool in an attempt to fill this gap. Historically, the formulation of this new procedure came after much of the work in this thesis had been carried out. Thus, for the study of many of the reactions of this thesis the new method has not been used. However, it is most appropriate to place its formulation after summarizing the current status of techniques in common use today. Chapters 4 and 5 detail computations carried out on models of peptides containing backbone carbon- and nitrogen-centered radicals. A number of different theoretical techniques are used in these chapters, ranging from the highly accurate and computationally intensive to the less reliable and less demanding. The highly accurate techniques are used to gauge the accuracy of the other less demanding theoretical techniques so that the latter can be used with confidence in larger systems. Not only is the choice of theoretical technique important but also the judicious choice of model is essential. With this in mind, models are incrementally built until convergence of the particular property of interest is reached. Chapters 6 and 7 detail the calculations of β-scission reactions of alkoxyl radicals, which are a particular class of reaction known to occur on peptide backbones. Alkoxyl radicals are particularly difficult for theory to describe correctly. Therefore, Chapter 6 extensively assesses and then identifies the theoretical methods needed to portray them. Chapter 7 uses the techniques identified in the previous chapter in order to predict how the preference for a particular type of β-scission reaction changes.
Hulvey, Glenn A. "Internal pressure's role in the selectivity of the bromine radical." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-06102009-063106/.
Повний текст джерелаIshaq, Ahtsham. "The development and use of novel green radical methodology." Thesis, University of Aberdeen, 2010. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=158370.
Повний текст джерелаMalkin, Tamsin Leanne. "Detection of free-radicals and other species ti investigate atmospheric chemistry in the HIRAC chamber." Thesis, University of Leeds, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.515362.
Повний текст джерелаWohaieb, Saleh A. "Oxygen free radical scavenging systems in clinical and experimental (chemical and spontaneous) diabetes mellitus." Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/27567.
Повний текст джерелаMedicine, Faculty of
Anesthesiology, Pharmacology and Therapeutics, Department of
Graduate
Fortier, Chanel. "Preparation, Characterization, And Application of Liposomes in the Study of Lipid Oxidation Targeting Hydroxyl Radicals." ScholarWorks@UNO, 2008. http://scholarworks.uno.edu/td/889.
Повний текст джерела