Thèses sur le sujet « Free radicals (Chemistry) »
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Qureshi, Tariq. « Spin chemistry ». Thesis, University of Oxford, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365292.
Texte intégralMills, Tim. « Studies in free radical chemistry ». Thesis, University of Nottingham, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342465.
Texte intégralImrie, 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.
Texte intégral梁韻詩 et 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.
Texte intégralLeung, Wan-sze. « High resolution spectroscopy of free radicals / ». Hong Kong : University of Hong Kong, 1998. http://sunzi.lib.hku.hk/hkuto/record.jsp?B19737610.
Texte intégralCrockett, Rowena. « Generation of free radicals from heterocyclic compounds ». Thesis, University of Aberdeen, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.290239.
Texte intégralRobles, 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.
Texte intégralTowle, 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.
Texte intégralHon, 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.
Texte intégralPh. D.
Wood, Geoffrey Paul Farra. « Theoretical Investigations of Radical-Mediated Protein Oxidation ». Thesis, The University of Sydney, 2006. http://hdl.handle.net/2123/1413.
Texte intégralWood, Geoffrey Paul Farra. « Theoretical Investigations of Radical-Mediated Protein Oxidation ». University of Sydney, 2006. http://hdl.handle.net/2123/1413.
Texte intégralThis 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.
Ishaq, 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.
Texte intégralZaidi, 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.
Texte intégralBlack, Michael. « Gas phase cyclisation reactions of aromatic free radicals ». Thesis, University of Edinburgh, 1990. http://hdl.handle.net/1842/10822.
Texte intégralPushkarsky, 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.
Texte intégralZhao, Zhijun. « Laser flash photolysis studies of some gas phase reactions of atmospheric interest ». Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/31790.
Texte intégralCommittee Chair: Wine, Paul; Committee Member: Huey, Greg; Committee Member: Mulholland, James; Committee Member: Nenes, Athanasios; Committee Member: Weber, Rodney. Part of the SMARTech Electronic Thesis and Dissertation Collection.
Wright, 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.
Texte intégralHuang, Horng-Chih. « Total syntheses of (+,-) pleurotin and (+,-) dihydropleurotin acid / ». The Ohio State University, 1988. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487584612165839.
Texte intégralFitzpatrick, 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.
Texte intégralBurrows, 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.
Texte intégralMa, Tongmei, et 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.
Texte intégralKirsop, 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.
Texte intégralCrosby, David. « Preliminary studies of the reactions of alkenyl α-nitroalkyl free radicals ». Thesis, Loughborough University, 1993. https://dspace.lboro.ac.uk/2134/26974.
Texte intégralRitchie, 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.
Texte intégralRhodes, 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.
Texte intégralGillett, 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.
Texte intégralModglin, James D. « A computational study of the chemistry of 3-phenylpropyl radicals ». Virtual Press, 2005. http://liblink.bsu.edu/uhtbin/catkey/1328118.
Texte intégralDepartment of Chemistry
Wright, 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.
Texte intégralLampiao, Fanuel. « Measurement of free radicals and their effects on human spermatozoa ». Thesis, Link to the online version, 2006. http://hdl.handle.net/10019/212.
Texte intégralSmith, 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.
Texte intégralA 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.
Texte intégralGopalakrishnan, Sandhya. « Electronic spectroscopy of the alkoxy radicals ». Columbus, OH : Ohio State University, 2003. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1051024461.
Texte intégralTitle 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).
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.
Texte intégralFlint, 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.
Texte intégralBakioğlu, Levent. « Polymerization and characterization of poly(ethyl methacrylate) ». Ankara : METU, 2003. http://etd.lib.metu.edu.tr/upload/1081363/index.pdf.
Texte intégralDonato, Karen Ann. « Graft polymerization of methyl methacrylate onto polytetrafluoroethylene free radicals ». Ohio : Ohio University, 1985. http://www.ohiolink.edu/etd/view.cgi?ohiou1183996024.
Texte intégralBopegedera, 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.
Texte intégralFrum, 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.
Texte intégralPatterson, 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.
Texte intégralHuang, 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.
Texte intégralManandhar, 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/.
Texte intégralHulvey, 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/.
Texte intégralMalkin, 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.
Texte intégralWohaieb, 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.
Texte intégralMedicine, Faculty of
Anesthesiology, Pharmacology and Therapeutics, Department of
Graduate
Wilks, Justin. « Free Radical Chemistries at the Surface of Electronic Materials ». Thesis, University of North Texas, 2010. https://digital.library.unt.edu/ark:/67531/metadc31552/.
Texte intégralFurneaux, Kate Louise. « Field studies of the chemistry of free-radicals in the troposphere using laser induced fluoresence spectroscopy ». Thesis, University of Leeds, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.507714.
Texte intégralFortier, 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.
Texte intégralMerle, John Kenneth. « Computational studies of gas-phase radical reactions with volatile organic compounds of relevance to combustion and atmospheric chemistry ». Connect to resource, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1126305456.
Texte intégralTitle from first page of PDF file. Document formatted into pages; contains xvii, 259 p.; also includes graphics (some col.). Includes bibliographical references (p. 233-259). Available online via OhioLINK's ETD Center
Moffat, Karen Ann. « Synthesis and evaluation of model initiator/reversible terminating adducts for the stable free radical polymerization process ». Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape10/PQDD_0002/NQ42755.pdf.
Texte intégralDunn, Kerri, et kerri dunn@deakin edu au. « Chiral organotin hydrides as enantioselective reducing agents ». Deakin University. School of Nutrition and Public Health, 2000. http://tux.lib.deakin.edu.au./adt-VDU/public/adt-VDU20061207.142326.
Texte intégral