Dissertations / Theses on the topic 'Photosysteme 1'
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Menikh, Abdellah. "Rôle du digalactosyldiacylglycérol (DGDG) dans l'empilement des thylacoïdes et dans l'activité du photosysteme II." Thèse, Université du Québec à Trois-Rivières, 1994. http://depot-e.uqtr.ca/6700/1/000616429.pdf.
Full textBottin, Hervé. "Etude du transfert d'electron dans le photosysteme 1 des vegetaux superieurs par spectroscopie d'absorption par eclairs." Paris 6, 1987. http://www.theses.fr/1987PA066147.
Full textPesaresi, Paolo. "Molecular and physiological characterization of the photosynthetic mutants prpl11-1, psae1-1 and atmak3-1." [S.l. : s.n.], 2002. http://deposit.ddb.de/cgi-bin/dokserv?idn=965644030.
Full textChristensen, P. A. "Oxygen-evolving photosystems." Thesis, Imperial College London, 1986. http://hdl.handle.net/10044/1/37971.
Full textMoss, D. A. "Cyclic electron transport around photosystem 1 in chloroplasts." Thesis, University of Cambridge, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.372926.
Full textPatel, Vaishali. "Analysis of photosystem 1 mutants in Chlamydomonas reinhardtii." Thesis, University College London (University of London), 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.266592.
Full textHankamer, Benjamin David. "Structural studies on photosystem II." Thesis, Imperial College London, 1994. http://hdl.handle.net/10044/1/11392.
Full textChoquet, Yves. "Contribution a l'etude de la structure et de la biogenese des centres photochimiques des vegetaux superieurs et de l'algue verte chlamydomonas reinhardtii." Paris 6, 1987. http://www.theses.fr/1987PA066307.
Full textDurrant, James Robert. "Transient absorption spectroscopy of photosystem two." Thesis, Imperial College London, 1991. http://hdl.handle.net/10044/1/11455.
Full textBredenkamp, G. J. "Light-harvesting by photosystem 1 during leaf development in wheat." Thesis, University of Essex, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376724.
Full textHe, Weizhong. "Spectroscopic properties of the isolated photosystem II reaction centre." Thesis, Imperial College London, 1991. http://hdl.handle.net/10044/1/46812.
Full textCrystall, Ben. "Time resolved fluorescence studies of photosystem 2 reaction centres." Thesis, Imperial College London, 1990. http://hdl.handle.net/10044/1/47831.
Full textBooth, Paula Jane. "Thermodynamics of electron transfer in photosystem 2 reaction centres." Thesis, Imperial College London, 1990. http://hdl.handle.net/10044/1/47779.
Full textDouglass, Jeffrey. "Structural and functional studies on Photosystem II from thermosynechococcus elongatus." Thesis, Imperial College London, 2015. http://hdl.handle.net/10044/1/31603.
Full textNewell, William Robert. "Organisation of the photosystem two reaction centre as revealed by spectroscopy." Thesis, Imperial College London, 1989. http://hdl.handle.net/10044/1/47587.
Full textBeauchemin, Rémy. "Interactions des polyamines avec l'albumine humaine et le photosystème II." Thèse, Université du Québec à Trois-Rivières, 2009. http://depot-e.uqtr.ca/1538/1/030114362.pdf.
Full textTrudel, Éric. "Immobilisation du photosystème II en monocouche à l'aide de lipides fonctionnalisés." Thèse, Université du Québec à Trois-Rivières, 2001. http://depot-e.uqtr.ca/3102/1/000677414.pdf.
Full textMiller, Nathalie. ""Expression d'une thermotolérance au niveau de la fonction du photosystème II"." Thèse, Université du Québec à Trois-Rivières, 1993. http://depot-e.uqtr.ca/5281/1/000611358.pdf.
Full textBrinkert, Katharina. "Protein film voltammetry and spectroelectrochemistry of the electron acceptor site in Photosystem II." Thesis, Imperial College London, 2015. http://hdl.handle.net/10044/1/42225.
Full textJoly, David. "Effets des plastoquinones sur la dissipation d'énergie des photosystèmes." Thèse, Université du Québec à Trois-Rivières, 2007. http://depot-e.uqtr.ca/1341/1/030000456.pdf.
Full textGingras, Yves. "L'effet inhibiteur des polyamines spermine et spermidine sur le complexe protéique du photosystème II." Thèse, Université du Québec à Trois-Rivières, 1998. http://depot-e.uqtr.ca/3546/1/000654648.pdf.
Full textBernier, Michelle. "Impact du mercure et d'autres modificateurs sur l'intégrité fonctionnelle et structurelle du photosystème II." Thèse, Université du Québec à Trois-Rivières, 1996. http://depot-e.uqtr.ca/6805/1/000626118.pdf.
Full textGallant, Judith. "Spectroscopie et propriétés interfaciales du photosystème II en film monomoléculaire à l'interface air-eau." Thèse, Université du Québec à Trois-Rivières, 1997. http://depot-e.uqtr.ca/6840/1/000642368.pdf.
Full textBoucher, Nathalie. "Stimulation du transport d'électrons par le stress thermique dans les fractions membranaires de photosystème I." Thèse, Université du Québec à Trois-Rivières, 1991. http://depot-e.uqtr.ca/5392/1/000589224.pdf.
Full textSamson, Guy. "Modifications du transport d'électrons dans le photosystème II inhibé par le mercure et le cuivre." Thèse, Université du Québec à Trois-Rivières, 1989. http://depot-e.uqtr.ca/6779/1/000577627.pdf.
Full textSegui, Jacob A. "Effets du rayonnement ultraviolet sur le fonctionnement et la structure du photosystème II des chloroplastes d'orge." Thèse, Université du Québec à Trois-Rivières, 1999. http://depot-e.uqtr.ca/6714/1/000662501.pdf.
Full textBeauregard, Marc. "Modulation de l'activité et de la structure du photosystème II par les ions sulfite et sulfate." Thèse, Université du Québec à Trois-Rivières, 1988. http://depot-e.uqtr.ca/6833/1/000574441.pdf.
Full textBoisvert, Steve. "Analyse quantitative de l'induction de fluorescence du photosystème II : énergie d'activation apparente et origine de chaque phase." Thèse, Université du Québec à Trois-Rivières, 2007. http://depot-e.uqtr.ca/1195/1/030000473.pdf.
Full textBograh, Alfred. "Effets des anions inorganiques, des polyamines, et du cholestérol sur les structures secondaires des protéines du photosystème II." Thèse, Université du Québec à Trois-Rivières, 1998. http://depot-e.uqtr.ca/4743/1/000642364.pdf.
Full textZhao, Fangyuan [Verfasser], Wolfgang [Gutachter] Schuhmann, and Axel [Gutachter] Rosenhahn. "Photosystem 1/redox polymer-based bioelectrodes as the basis for efficient biophotovoltaic devices / Fangyuan Zhao ; Gutachter: Wolfgang Schuhmann, Axel Rosenhahn." Bochum : Ruhr-Universität Bochum, 2016. http://d-nb.info/111670966X/34.
Full textNenonene, Kwasi Emmanuel. "Effets du phosphatidylglycérol et des cations mono- et divalents dans la formation et l'activité des complexes lipides-polypeptides du photosystème II." Thèse, Université du Québec à Trois-Rivières, 1992. http://depot-e.uqtr.ca/6792/1/000597799.pdf.
Full textAhmed, Abdelwahab Ibrahim. "Protein secondary structure of the isolated photosystem II (PSII) particles and light-harvesting complex (LHCII) studied by Fourier transform infrared spectroscopy." Thèse, Université du Québec à Trois-Rivières, 1996. http://depot-e.uqtr.ca/6803/1/000626119.pdf.
Full textPurcell, Marc. "Étude compartive de la localisation tridimensionnelle des pigments photosynthétiques et de la distribution du flux des excitons au sein du photosystème I." Thèse, Université du Québec à Trois-Rivières, 1993. http://depot-e.uqtr.ca/6798/1/000606464.pdf.
Full textCharland, Marc. "Mesure de l'activité des photosystèmes I et II in vivo en spectroscopie photoacoustique : effets des variations de l'environnement lumineux sur l'activité photosynthétique." Thèse, Université du Québec à Trois-Rivières, 1993. http://depot-e.uqtr.ca/6794/1/000603595.pdf.
Full textKanady, Jacob Steven. "Models of the Oxygen-Evolving Complex of Photosystem II." Thesis, 2015. https://thesis.library.caltech.edu/8643/1/JKanady_Thesis_Edited.pdf.
Full textIn the five chapters that follow, I delineate my efforts over the last five years to synthesize structurally and chemically relevant models of the Oxygen Evolving Complex (OEC) of Photosystem II. The OEC is nature’s only water oxidation catalyst, in that it forms the dioxygen in our atmosphere necessary for oxygenic life. Therefore understanding its structure and function is of deep fundamental interest and could provide design elements for artificial photosynthesis and manmade water oxidation catalysts. Synthetic endeavors towards OEC mimics have been an active area of research since the mid 1970s and have mutually evolved alongside biochemical and spectroscopic studies, affording ever-refined proposals for the structure of the OEC and the mechanism of water oxidation. This research has culminated in the most recent proposal: a low symmetry Mn4CaO5 cluster with a distorted Mn3CaO4 cubane bridged to a fourth, dangling Mn. To give context for how my graduate work fits into this rich history of OEC research, Chapter 1 provides a historical timeline of proposals for OEC structure, emphasizing the role that synthetic Mn and MnCa clusters have played, and ending with our Mn3CaO4 heterometallic cubane complexes.
In Chapter 2, the triarylbenzene ligand framework used throughout my work is introduced, and trinuclear clusters of Mn, Co, and Ni are discussed. The ligand scaffold consistently coordinates three metals in close proximity while leaving coordination sites open for further modification through ancillary ligand binding. The ligands coordinated could be varied, with a range of carboxylates and some less coordinating anions studied. These complexes’ structures, magnetic behavior, and redox properties are discussed.
Chapter 3 explores the redox chemistry of the trimanganese system more thoroughly in the presence of a fourth Mn equivalent, finding a range of oxidation states and oxide incorporation dependent on oxidant, solvent, and Mn salt. Oxidation states from MnII4 to MnIIIMnIV3 were observed, with 1-4 O2– ligands incorporated, modeling the photoactivation of the OEC. These complexes were studied by X-ray diffraction, EPR, XAS, magnetometry, and CV.
As Ca2+ is a necessary component of the OEC, Chapter 4 discusses synthetic strategies for making highly structurally accurate models of the OEC containing both Mn and Ca in the Mn3CaO4 cubane + dangling Mn geometry. Structural and electrochemical characterization of the first Mn3CaO4 heterometallic cubane complex— and comparison to an all-Mn Mn4O4 analog—suggests a role for Ca2+ in the OEC. Modification of the Mn3CaO4 system by ligand substitution affords low symmetry Mn3CaO4 complexes that are the most accurate models of the OEC to date.
Finally, in Chapter 5 the reactivity of the Mn3CaO4 cubane complexes toward O- atom transfer is discussed. The metal M strongly affects the reactivity. The mechanisms of O-atom transfer and water incorporation from and into Mn4O4 and Mn4O3 clusters, respectively, are studied through computation and 18O-labeling studies. The μ3-oxos of the Mn4O4 system prove fluxional, lending support for proposals of O2– fluxionality within the OEC.
Stelljes, Christian [Verfasser]. "Untersuchungen zur Regulation von Photosystem II : D1:1-DNA-Bindungsstudien / vorgelegt von Christian Stelljes." 2006. http://d-nb.info/984366040/34.
Full textFan, Shu-Ting, and 范舒婷. "Effects of Storage Duration, Temperature, Ethylene and 1-MCP on Poststorage Growth and Photosystem Ⅱ of Araceae Foliage Plants." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/79179991827283437597.
Full text國立臺灣大學
園藝學研究所
95
The potted foliage plants of Taiwan have potential to transport to international markets. However, the storage environments may cause stress, and decrease poststorage quality. Thus the objectives of this thesis were to study the effects of storage duration, temperature, ethylene and 1-MCP on poststorage growth and photosystemⅡ in Araceae potted foliage plants. According to acceptable postproduction quality based on the numbers of chlorotic, necrotic leaves and/or rating, Aglaonema ‘Chalit’s Fantasy’ and Anthurium scherzerianum Lind. ‘Pink Champion’ could be stored at 15 or 20℃ for 14 days, Dieffenbachia ‘Mars’ and Spathiphyllum kochii L. ‘Calypso’could be stored at 15℃ for 14 days, Zamioculcas zamiifolia could be stored at 16, 23 or 30℃ for 14 days, Alocasia amazonica could be stored at 16℃ for 14 days, Aglaonema commutatum Schott. ‘White Tip’, D. picta (Lodd.) Schott. ‘Vesuvius’ and S. kochii L. ‘Sensation’ could be stored at 16 or 23℃ for 7 days, Aglaonema ‘Pattaya Beauty’ could be stored at 15 or 20℃ for 7 days, and D.(Jacq.) Schott ‘Tropic Marianne’ could be stored at 16℃ for 7 days. Aglaonema nitidum (Jacq.) Kunth ‘Curtisii’ stored at 16, 23 or 30℃ for 14 days, D. seguine Nichols ‘Tropic Snow’ stored at 16℃ for 7 or 14 days, and Philodendron ‘Imperial Green’ stored at 16 or 23℃ for 7 or 14 days had poor poststorage quality and were unsalable. Ethylene may decrease poststorage quality in foliage plants that are sensitive to ethylene. Exposure to 4.5 μL•L-1 ethylene during storage for 5 or 7 days decreased SPAD-502 value and Fv/Fm of the lowest leaves and rating, and increased chlorotic leaves in Aglaonema commutatum Schott. ‘White Tip’. In contrast, exposure to 4.5 μL•L-1 ethylene did not alter on SPAD-502 value and Fv/Fm of the lowest leaves, chlorotic leaves and rating in Aglaonema ‘Chalit’s Fantasy’. Exposure to 4.7 μL•L-1 ethylene during storage for 7 days decreased Fv/Fm of the lowest leaves and quality, and increased numbers of chlorotic and necrotic leaves in Diffenbachia ‘Vesuvius’ and ‘Tropic Marianne’. More decrease of poststorage Fv/Fm of the lowest leaves wae measured in D. picta (Lodd.) Schott. ‘Vesuvius’ than D. (Jacq.) Schott ‘Tropic Marianne’. Regardless of ethylene or not, D. seguine Nichols ‘Tropic Snow’ exhibited decreased Fv/Fm of the lowest leaves, and increased chlorotic and necrotic leaves, and poor postproduction. Exposure to 0.8 μL•L-1 ethylene during storage decreased SPAD-502 value, Fv/Fm and quantum yield of the lowest leaves in Aglaonema ‘White tip’. Exposure to 4.1 μL•L-1 ethylene caused damage more seriously. Exposure to 1.0 μL•L-1 ethylene during storage did not effect Fv/Fm and quantum yield of the lowest leaves in Diffenbachia ‘Vesuvius’, but exposure to 2.3 μL•L-1 ethylene during storage increased number of chlorotic leaves and decreased rating. Exposure to 0.7 μL•L-1 ethylene during storage decreased SPAD-502 value, Fv/Fm and quantum yield of the lowest leaves in Diffenbachia ‘Tropic Marianne’, and exposure to 4.1 μL•L-1 ethylene caused more damage. Exposure to 0.6 μL•L-1 ethylene during storage decreased SPAD-502 value, Fv/Fm and quantum yield of the lowest leaves in P. ‘Imperial Green’, and exposure to 3.9 μL•L-1 ethylene results in more damage. Differential efficient concentration and adaptable treatment time of 1-MCP were determined in various species or cultivars. To prevent the damage of ethylene, A. commutatum Schott. ‘White Tip’ could be treated with 300 nL•L-1 1-MCP for 6 hours, D. picta (Lodd.) Schott. ‘Vesuvius’ and D.(Jacq.) Schott ‘Tropic Marianne’ with 600 nL•L-1 1-MCP for 6 hours, and P. ‘Imperial Green’ with 600 nL•L-11-MCP for 2 hours. After 1-MCP treatments, Araceae foliage plants which are sensitive to ethylene had fewer chlorotic leaves, higher rating, Fv/Fm and SPAD-502 value of the lowest leaves.
Ait, Ali Nadia. "Étude des mécanismes d'inhibition du transport des électrons photosynthétiques induite par les xénobiotiques affectant les réactions photochimiques du photosystème II." Thèse, 2008. http://www.archipel.uqam.ca/873/1/D1623.pdf.
Full textUniacke, James. "Novel chloroplast compartments are sites of photosystem II biogenesis and mRNA management during stress in the chloroplast of Chlamydomonas reinhardtii." Thesis, 2009. http://spectrum.library.concordia.ca/976657/1/NR63359.pdf.
Full textYaakoubi, Hnia. "Investigation des sites et des mécanismes d'action de la spermine dans la protection du photosystème I contre la photoinhibition." Thèse, 2015. http://depot-e.uqtr.ca/7701/1/031014213.pdf.
Full textHeide, Heinrich [Verfasser]. "Das OEE-Protein 1 des Photosystem II (oxygen evolving enhancer) der Grünalge Scenedesmus obliquus besitzt Thioredoxin-Aktivität / vorgelegt von Heinrich Heide." 2002. http://d-nb.info/96846680X/34.
Full textMohsnawy, Eithar Abdel Rashid el [Verfasser]. "Evaluierung von monomerem und trimerem Photosystem 1 in nativen Systemen sowie in semiartifiziellen Systemen zur Biowasserstofferzeugung / von Eithar Abdel Rashid El-Mohsnawy." 2007. http://d-nb.info/986094889/34.
Full textVincent, Michel. "Études des effets toxiques des ions métalliques du cadmium sur la formation et l'activité des photosystèmes chez l'algue unicellulaire Chlamydomonas reinhardtii." Mémoire, 2006. http://www.archipel.uqam.ca/3068/1/M9456.pdf.
Full textPerreault, François. "Inhibition de la photochimie des photosystèmes II et I et modification de la dissipation d'énergie induites par le dichromate et l'aluminium chez des algues vertes." Mémoire, 2008. http://www.archipel.uqam.ca/1812/1/M10629.pdf.
Full textSommer, Frederik [Verfasser]. "Reverse genetics of PsaA and PsaB to dissect their function in binding and electron transfer from plastocyanin or cytochrome c6 to the core of photosystem 1 / von Frederik Sommer." 2003. http://d-nb.info/970666071/34.
Full textHlízová, Eliška. "Struktura a funkce chloroplastů vybraných dřevin pěstovaných pod vlivem zvýšené koncentrace CO2." Master's thesis, 2011. http://www.nusl.cz/ntk/nusl-297576.
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