Thèses sur le sujet « Photochemistry »
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Bones, David Lawrence. « Liquid Aerosol Photochemistry ». Thesis, University of Canterbury. Chemistry, 2008. http://hdl.handle.net/10092/1500.
Texte intégralFirth, S. « Low temperature photochemistry ». Thesis, University of Nottingham, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.378979.
Texte intégralRapley, P. A. « Photochemistry of thiophthalimides ». Thesis, Open University, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.371027.
Texte intégralNiederjohann, Britta. « Photochemistry of small molecules ». [S.l. : s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=972767398.
Texte intégralKarlsson, Daniel. « Photochemistry of Phenyl Halides ». Doctoral thesis, Uppsala universitet, Institutionen för fotokemi och molekylärvetenskap, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-8602.
Texte intégralHaynes, Anthony. « Intermediates in organometallic photochemistry ». Thesis, University of Nottingham, 1989. http://eprints.nottingham.ac.uk/27829/.
Texte intégralBanks, C. P. « Aspects of polymer photochemistry ». Thesis, University of Hertfordshire, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.384083.
Texte intégralSanderson, Jason Terry. « Studies in organic photochemistry ». Thesis, University of Sussex, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.393200.
Texte intégralMcCallum, Terry. « Radical Adventures in Photochemistry ». Thesis, Université d'Ottawa / University of Ottawa, 2018. http://hdl.handle.net/10393/37825.
Texte intégralSugita, Akihiro. « Multiphoton spectroscopy and photochemistry ». Kyoto University, 2001. http://hdl.handle.net/2433/150656.
Texte intégralWang, Jing. « Two-photon Induced Photochemistry ». Diss., The University of Arizona, 2007. http://hdl.handle.net/10150/195094.
Texte intégralYen, Chun-Wan. « Plasmonic photochemistry on the nanoscale ». Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/41085.
Texte intégralBishenden, Elizabeth. « Mode-selective photochemistry of OClO ». Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq28270.pdf.
Texte intégralSmith, Richard S. « Photochemistry of 3,5-dimethoxybenzyl acetate ». Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0021/MQ57326.pdf.
Texte intégralDesikan, Vasumathi. « Photochemistry of dibenzothiophene-based sulfilimines ». [Ames, Iowa : Iowa State University], 2007.
Trouver le texte intégralBruce, James I. « Supramolecular photochemistry of lanthanide complexes ». Thesis, University of Oxford, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.308689.
Texte intégralRoscini, Claudio. « Reaction Control in Organic Photochemistry ». Thesis, University of Bristol, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.521102.
Texte intégralHiggins, Christina Mary. « Tropospheric photochemistry of organic nitrates ». Thesis, University of Bristol, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.627967.
Texte intégralCubbage, Kara. « Synthetic photochemistry of tethered maleimides ». Thesis, University of Bristol, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.547843.
Texte intégralKnox, Christopher James Henry. « The photochemistry of liquid aerosols ». Thesis, University of Canterbury. Chemistry, 2002. http://hdl.handle.net/10092/6076.
Texte intégralThomas, Dawn Ann. « Matrix photochemistry of stratospheric species ». Thesis, University of East Anglia, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318039.
Texte intégralCosta, Monica Ferreira da. « Mercury photochemistry in natural waters ». Thesis, University of East Anglia, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.338305.
Texte intégralGadd, G. E. « Organometallic photochemistry at low temperatures ». Thesis, University of Nottingham, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.304331.
Texte intégralReeman, Stuart Michael. « Adsorbate photochemistry of small molecules ». Thesis, University of Liverpool, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318275.
Texte intégralRichards, Andrew Maurice. « Photochemistry of novel aluminium complexes ». Thesis, Open University, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.236925.
Texte intégralSmith, Carina Alice. « The atmospheric photochemistry of formaldehyde ». Thesis, University of Bristol, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.432746.
Texte intégralPonczek, Milena. « Understanding Atmospheric Mineral Dust Photochemistry ». Thesis, Lyon, 2018. http://www.theses.fr/2018LYSE1190.
Texte intégralMinerals that absorb light near UV/Vis present in dust aerosols interact with trace gases in the atmosphere and can initiate a new and potentially significant photo-induced heterogeneous chemistry, which is currently poorly documented. This thesis aims to address different issues of mineral dust reactivity towards organic compounds and, therefore, assesses the impact of these interactions on several aspects of atmospheric sciences. We investigated experimentally the physicochemical interaction of mineral aerosols (synthetic and natural), pure or coated with organic/inorganic materials with trace gases from several chemical families (alcohols, ketones, carboxylic acids, etc.), under simulated conditions close to the real environment (regarding to humidity, concentration in the gas phase, wavelength and intensity of irradiation, pressure and temperature). In a first approach, we studied the uptake of oxygenated organics onto different dust proxies such as SiO2, TiO2 and Arizona test dust (ATD) evaluating the effects of ambient conditions on the uptake kinetics and product generation. Then, we discussed the chemistry of 5 dicarboxylic acids (C4-C8) on ATD particles upon UV-A irradiation monitoring products in the gas phase as well as those whose stay adsorbed on the particulate phase. Lastly, we investigated the influence of nitrate anions on the uptake of acetone on ATD and SiO2 and in the photochemical product formation of glutaric acid on ATD. Overall, our results clearly show that photochemical processing of dust aerosols should be considered as a source of reactive compounds and as a key process affecting their action as ice nucleation and cloud condensation nuclei
Zhuang, Bo. « Fundamental Processes in Flavoprotein Photochemistry ». Thesis, Institut polytechnique de Paris, 2022. https://tel.archives-ouvertes.fr/tel-03789651.
Texte intégralFlavins are derivatives of vitamin B2 that form a highly versatile group of chromophores found in a large variety of enzymes and photoreceptor proteins. They can adopt three different redox states with various protonation states, leading to at least five physiologically relevant forms, with distinct electronic absorption spectra. Despite the diverse photophysical properties of the flavin cofactors, there are only very few natural photo-responsive flavoproteins. The vast majority of flavoproteins perform non-light-driven physiological functions (“non-photoactive”), although ultrafast, reversible photoinduced redox reactions between flavins and surrounding residues still widely occur in these systems, which can be viewed as photo-protective “self-quenching”. The past few decades have seen a blooming in the study of flavoproteins for their photocatalytic and photo-biotechnological applications. Moreover, a newly emerging approach in the development of novel photocatalysts from canonical “non-photoactive” flavoenzymes is making use of the photochemistry of reduced flavins instead of the oxidized resting state. Furthermore, practical implications of photochemistry of yet different flavin species are envisaged, but a basic understanding of their mechanisms is still required. In this thesis, applying ultrafast absorption and fluorescence spectroscopy combined with molecular simulations and quantum chemistry approaches, a variety of fundamental photochemical processes in flavoproteins is investigated. First the photoreduction of oxidized flavins was revisited in a flavoprotein, ferredoxin-NADP+ oxidoreductase (FNR), with closely packed reactant configurations, allowing ultrafast formation of intermediate radical pairs. Combining experimental and modeling techniques allowed a detailed assessment of the influence of the environment on the spectral properties of both the anionic flavin and the cationic amino acid (tyrosine or tryptophan) radicals. We further investigated the photochemistry of protein-bound flavin species in different chemical states that are largely unexplored in the literature. It is demonstrated that photooxidation of anionic flavin radicals, which act as reaction intermediates in many biochemical reactions, efficiently occurs within ~100 fs in several flavoprotein oxidases. This process, effectively the reverse of the well-known photoreduction of oxidized flavin may constitute a universal decay pathway. The excited-state properties of fully reduced flavins were studied in several FNR systems where they are involved as functional intermediates, and compared with those in solution. Valuable information concerning their electronic structures and the flavin flexibility was obtained and compared with atomic simulations, with important catalytic implications. Finally, an unprecedented photo-dissociation phenomenon was revealed for a non-covalent charge transfer complex of flavin and a inhibitor in the flavoenzyme monomeric sarcosine oxidase. This process occurs on the timescale of a few hundred femtoseconds and can be attributed to a well-defined photoinduced isomerization of the inhibitor. Altogether, the described findings, which include the discovery of two hitherto undocumented photochemical processes in flavoproteins, expand the repertoire of photochemistry involving flavin cofactors. This work may open new avenues for the exploration of flavin photochemistry with ultimately possible practical implications as novel photocatalysts and optogenetic tools
Gan, Daqing. « Aqueous photochemistry of 1,4-benzoquinones and their possible role in the photochemistry of natural organic matter ». College Park, Md. : University of Maryland, 2005. http://hdl.handle.net/1903/2180.
Texte intégralThesis research directed by: Chemistry. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
Jansen, Lisinka M. G. « Photochemistry and photophysics of azo dyes ». Thesis, Loughborough University, 1997. https://dspace.lboro.ac.uk/2134/28271.
Texte intégralCowley, Nicholas John. « The mechanistic photochemistry of 4-hydroxybenzophenone ». Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq20620.pdf.
Texte intégralLeibovitch, Mordechai. « Asymmetric synthesis in solid state photochemistry ». Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq25090.pdf.
Texte intégralSmith, Kenneth Christopher. « Photochemistry of urea/ketone inclusion compounds ». Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq24919.pdf.
Texte intégralDelaney-Luu, Michelle Marie. « The photochemistry of substituted poly(acrylophenones) ». Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ33362.pdf.
Texte intégralVolkov, Victor Vitorovich. « Bacteriorhodopsin excited state dynamics and photochemistry ». Diss., Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/26308.
Texte intégralTaylor, Tammye L. « UV photochemistry of synthetic model peptides ». Thesis, Georgia Institute of Technology, 1994. http://hdl.handle.net/1853/26966.
Texte intégralIqbal, Azhar. « Towards understanding the photochemistry of tyrosine ». Thesis, University of Warwick, 2010. http://wrap.warwick.ac.uk/3735/.
Texte intégralRowland, Glenn Anthony. « The photochemistry of sulfuric acid aerosols ». Thesis, University of Canterbury. Chemistry, 2001. http://hdl.handle.net/10092/5949.
Texte intégralKennedy, Graham Robert Alexander. « Laser photochemistry of jet-cooled molecules ». Thesis, Heriot-Watt University, 1998. http://hdl.handle.net/10399/621.
Texte intégralFletcher, S. C. « Polarized photochemistry and binuclear metal carbonyls ». Thesis, University of Nottingham, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.356518.
Texte intégralLees, Alistair J. « Photophysics and photochemistry of organometallic complexes ». Thesis, University of Newcastle Upon Tyne, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.417484.
Texte intégralWilkes, J. « Photochemistry of small adsorbates on surfaces ». Thesis, University of Huddersfield, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.286052.
Texte intégralShields, C. J. « Matrix photochemistry with plane-polarised light ». Thesis, University of Strathclyde, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.372121.
Texte intégralKunanandam, Suren. « Spectroscopy and photochemistry of arylazonaphtol dyes ». Thesis, University of York, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.423732.
Texte intégralHaddleton, D. M. « Photochemistry of some metal-ethane complexes ». Thesis, University of York, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.374165.
Texte intégralBirch, D. « The aqueous photochemistry of small peptides ». Thesis, Open University, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.383637.
Texte intégralWillasey-Wilsey, Sarah Louise. « The photochemistry of unsaturated carbonyl compounds ». Thesis, King's College London (University of London), 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.309739.
Texte intégralBushby, Lisa Marie. « Photochemistry and photophysics of lanthanide complexes ». Thesis, Durham University, 2001. http://etheses.dur.ac.uk/4208/.
Texte intégralMitchell, Lorna J. « Exploiting the photochemistry of the quinones ». Thesis, University of Nottingham, 2016. http://eprints.nottingham.ac.uk/32977/.
Texte intégralKarabaeva, Kanykey E. « Photochemistry of Masked Pyrene-4,5-Dione ». Bowling Green State University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1371083757.
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