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Дисертації з теми "Porphyrins"

Автор: Grafiati

Опубліковано: 4 червня 2021

Оновлено: 25 липня 2025

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1

Lefley, Colin Richard. "Raman spectroscopic studies of porphyrins and porphyrin-protein complexes." Thesis, University of York, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239782.

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2

Krivokapic, Alexander. "Porphyrins and expanded porphyrins for optical limiting." Thesis, University of Oxford, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.270203.

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3

Mori, Goro. "Exploration of Porphyrins and Expanded Porphyrins with Novel Properties." 京都大学 (Kyoto University), 2008. http://hdl.handle.net/2433/124357.

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4

Sek, Sau Yin. "The synthesis of haematoporphyrin derivative III and other novel porphyrins /." Title page, table of contents and abstract only, 1990. http://web4.library.adelaide.edu.au/theses/09PH/09phs4622.pdf.

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5

Meshkov, Ivan. "Control of molecular movement based on porphyrins." Thesis, Strasbourg, 2016. http://www.theses.fr/2016STRAF006/document.

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Анотація:

Les travaux décrits dans ce manuscrit s’intéressent au contrôle du mouvement moléculaire. Après une introduction dédiée à l’état de l’art des machines moléculaires, le premier chapitre s’intéresse à la conception de tourniquets moléculaires à base de complexes porphyriniques de P(V). Le mouvement moléculaire a pu être contrôlé de manière réversible soit par l’utilisation des sites de coordination présents à la périphérie du système soit par des variations de pH. Le deuxième chapitre s’intéresse aux propriétés photophysiques des porphyrines de P(V) obtenues et plus particulièrement à leur capac

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6

Burgess, Robert Marshall. "Ambient gas effects on thin film porphyrins and on Al/Porphyrin/Ag electroluminescent and electrochemical devices /." Thesis, Connect to this title online; UW restricted, 1986. http://hdl.handle.net/1773/11579.

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7

Davis, Nicola Kathleen Sybille. "Anthracene-fused porphyrins." Thesis, University of Oxford, 2011. http://ora.ox.ac.uk/objects/uuid:86b0efea-d33a-42e2-9304-82d94e8f895a.

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This thesis describes the synthesis of a novel family of porphyrins fused to anthracenes, together with investigations into their optical and electrochemical properties, as well as exploring their potential for application in dye-sensitised solar cells. Chapter 1 gives an overview of the structure-property relationships of large planar pi- systems for organic electronic applications. Porphyrins are introduced as suitable building blocks for such systems, and approaches for extending the pi-conjugation of these macrocycles are presented. A literature review of porphyrins fused to aromatic units

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8

Locos, Oliver Brett. "Synthesis and investigations of novel alkenylporphyrins and bis(porphyrins)." Thesis, Queensland University of Technology, 2006. https://eprints.qut.edu.au/16409/1/Oliver_Locos_Thesis.pdf.

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Twelve porphyrin dyads linked by an ethene bridge were synthesised as model systems for conjugated polymers. The extent of interporphyrin interaction was investigated for meso-meso and meso-β linked homo- and heterobimetallo-porphyrin dyads. To complement these dyads, model monomers with alkenyl substituents were also studied. Once the synthesis of these compounds was achieved, the extent of interaction was studied using UV-visible and fluorescence spectroscopy and molecular modelling. In order to gain a true indication of the extent of interaction in a dyad, the effect of the bridge a

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9

Locos, Oliver Brett. "Synthesis and investigations of novel alkenylporphyrins and bis(porphyrins)." Queensland University of Technology, 2006. http://eprints.qut.edu.au/16409/.

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Twelve porphyrin dyads linked by an ethene bridge were synthesised as model systems for conjugated polymers. The extent of interporphyrin interaction was investigated for meso-meso and meso-β linked homo- and heterobimetallo-porphyrin dyads. To complement these dyads, model monomers with alkenyl substituents were also studied. Once the synthesis of these compounds was achieved, the extent of interaction was studied using UV-visible and fluorescence spectroscopy and molecular modelling. In order to gain a true indication of the extent of interaction in a dyad, the effect of the bridge a

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10

Hames, Tim. "Playing Tetris with porphyrins : the synthesis of porphyrinic materials for self-sssembly studies." Thesis, University of Nottingham, 2016. http://eprints.nottingham.ac.uk/37990/.

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This thesis focuses on the synthesis of porphyrinic materials for self-assembly studies. It begins with the synthesis of a large number of ‘building block’ molecules, terminated with bromo-, alkyne- and TMS- groups. These molecular building blocks are combined to form porphyrin compounds also terminated with bromo- alkyne- and TMS- groups at carefully selected positions. A series of porphyrin arrays inspired by the computer game Tetris was designed to be synthesised from these porphyrin units. The Tetris compounds are comprised of four square-like tetraphenylporphyrin (TPP) units, linked toget

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11

Smith, Martin Joseph. "Push-pull quinoidal porphyrins." Thesis, University of Oxford, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.409762.

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12

Jiang, Lin. "Functionalized pi-Extended Porphyrins." Miami University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=miami1373974099.

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13

Ishtaiwi, Zakariyya, Tobias Rüffer, Sami Klaib, Roy Buschbeck, Bernhard Walfort, and Heinrich Lang. "Porphyrins with a carbosilane dendrimer periphery as synthetic components for supramolecular self-assembly." Universitätsbibliothek Chemnitz, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-144618.

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The preparation of the shape-persistent carbosilane-functionalized porphyrins H2TPP(4-SiRR’Me)4, Zn(II)- TPP(4-SiRR’Me)4 (R = R’ = Me, CH2CHvCH2, CH2 CH2CH2OH; R = Me, R’ = CH2 CHvCH2, CH2CH2CH2OH; TPP = tetraphenyl porphyrin), H2TPP(4-Si(C6H4-1,4-SiRR’Me)3)4, and Zn(II)-TPP(4-Si- (C6H4-1,4-SiRR’Me)3)4 (R = R’ = Me, CH2CHvCH2; R = Me, R’ = CH2CHvCH2) using the Lindsey condensation methodology is described. For a series of five samples their structures in the solid state were determined by single crystal X-ray structure analysis. The appropriate 0th and 1st generation porphyrin-based 1,4-phenyl

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14

Hernández, Eguía Laura P. "Supramolecular chemistry of bis-porphyrins." Doctoral thesis, Universitat Rovira i Virgili, 2010. http://hdl.handle.net/10803/9059.

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(Base de datos de tesis doctorales TESEO) <br/><br/>En este trabajo de tesis doctoral se desarrollan básicamente dos aspectos. El primero, es la síntesis de receptores bis-porfirínicos metalados con zinc, tanto acíclicos como cíclicos, y con diferente grado de saturación de las cadenas carbonadas, y el segundo, trata sobre los estudios de complejación llevados a cabo con ligandos de diferente tipo y propiedades: aminas y fullerenos. Los primeros se unen mediante enlaces de coordinación metal-nitrógeno, mientras que los segundos se basan en interacciones  entre el anill

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15

Hunter, Chris. "Biomimetic supramolecules based on porphyrins." Thesis, University of Cambridge, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315073.

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16

Evans, S. D. "Langmuir-Blodgett superlattices incorporating porphyrins." Thesis, Lancaster University, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.235169.

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17

Bretscher, K. R. "Redox reactions of iron-porphyrins." Thesis, University of Newcastle Upon Tyne, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.371913.

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18

Aiken, Stuart. "Porphyrins for optical limiting applications." Thesis, University of Aberdeen, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.369729.

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A number of symmetric porphyrins containing both zinc(II) and lead(II) central metal ions have been prepared. Several routes to these compounds have been investigated and their merits evaluated. The conjugation of the chromophores has been extended by the inclusion of different <I>trans</I>- substituted arylethynyl substituents in the <I>meso</I>-position. An improved multigram method for the preparation of [bis-trimethylsilyethynylporphinato]zinc(II), which does not necessitate chromatographic purification, is described. The use of [5-triisopropylsilylethynylporphinato]zinc(II) for the prepar

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19

Leighton, P. "Observations on some bridged porphyrins." Thesis, University of Cambridge, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.355269.

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20

Kieran, Amy Lydia. "Dynamic combinatorial libraries of porphyrins." Thesis, University of Cambridge, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.616016.

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21

Tong, Lok Hang. "New supramolecular chemistry of porphyrins." Thesis, University of Cambridge, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.614360.

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22

Anderson, Harry Laurence. "Model enzymes based on porphyrins." Thesis, University of Cambridge, 1990. https://www.repository.cam.ac.uk/handle/1810/272953.

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23

Costa, Liliana Andreia dos Santos. "Photoinactivation of viruses by porphyrins." Doctoral thesis, Universidade de Aveiro, 2012. http://hdl.handle.net/10773/10869.

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Doutoramento em Biologia<br>A inativação fotodinâmica tem sido usada com sucesso na inativação de microorganismos. Diversos aspetos da inativação fotodinâmica foram já estudados para diferentes microrganismos, contudo, existe ainda pouca informação disponível no que diz respeito à inativação de bacteriófagos por processos fotodinâmicos. Este trabalho pretendeu elucidar e avaliar vários aspetos da fotoinativação de vírus, em particular de bacteriófagos, incluindo (i) o efeito de diversos parâmetros de luz utilizados na fotoinativação de bacteriófagos; (ii) a eficiência da inativação foto

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24

Boyett, Robin Ernest. "Computational studies of hydrophobic porphyrins." Thesis, University of Sussex, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241621.

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25

Day, Nicholas Upton. "Polymeric Porphyrins as Solar Photocatalysts." PDXScholar, 2015. https://pdxscholar.library.pdx.edu/open_access_etds/2625.

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Research concentrated on the absorption, transformation, and storage of light energy is useful for the energy challenges faced by humanity. In particular, photocatalysis using solar energy to generate useful fuels has become a primary research goal in the drive to replace fossil fuels for the future. In this dissertation it is shown that poly-tetra(4-aminophenyl)porphyrin (pTAPP) can be oxidatively polymerized using a variety of methods, including electropolymerization, chemical oxidation, and interfacial polymerization and that pTAPP has photocatalytic ability to reduce O2 to H2O2 for a stora

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26

Clarke, Suzanne Elizabeth. "The Effect of Two Viologens on the Solution Speciation of Tetrakis([rho]-carboxyphenyl)porphine." PDXScholar, 1990. https://pdxscholar.library.pdx.edu/open_access_etds/1372.

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Porphyrins and viologens are often utilized in photocatalyzed electron transfer chemistry. Some of the problems faced by researchers in these applied studies include the lack of information correlating the porphyrin absorbance spectral changes with porphyrin dimerization, complexation, and the effect of noncomplexing cations. In addition, the efficiency of the system is greatly reduced by the formation of porphyrin:viologen association complexes. Knowledge of the values of these constants may allow selection of appropriate porphyrin:viologen concentration ratios which would enable optimization

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27

劉純晶 and Chunjing Liu. "Nonplanar and sterically encumbered ruthenium porphyrins and catalyticreactivity of ruthenium and manganese porphyrin complexes supported onMCM-41." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1998. http://hub.hku.hk/bib/B31237423.

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28

Somma, Maria Salvatrice. "Novel methodologies for the synthesis of porphyrins and chlorins and spectroscopic studies of nonplanar porphyrins /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2003. http://uclibs.org/PID/11984.

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29

Wang, Chenyi. "Spectroscopy, NMR, and Electrochemistry Studies of Protonated Aminophenyl/Pyridyl Porphyrins and Their Application in Hydrogen Evolution." PDXScholar, 2015. https://pdxscholar.library.pdx.edu/open_access_etds/2223.

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Анотація:

Spectrophotometric titrations for a full series of 4-aminophenyl/4-pyridyl meso-substituted porphyrins were carried out using methanesulfonic acid in DMSO to study the hyperporphyrin effect across different substitution patterns. The series included zero, one, two (cis and trans), three, and four meso(4-aminophenyl) groups, with the remaining meso substituents being 4-pyridyl groups. The peripheral pyridyl groups consistently protonate before the interior porphyrin pyrrole nitrogens, which protonate before the aminophenyl groups. Aminophenyl substituents increase the basicity of the pyrrole ni

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30

Mori, Hirotaka. "Studies on Novel π-Extended Porphyrins". 京都大学 (Kyoto University), 2016. http://hdl.handle.net/2433/215337.

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31

Pearce, Wayne Ashley. "Synthetic studies towards novel annulated porphyrins /." Title page, table of contents and abstract only, 1998. http://web4.library.adelaide.edu.au/theses/09PH/09php3598.pdf.

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32

Jagessar, Raymond C. "Anion recognition by novel functionalised porphyrins." Thesis, University of Oxford, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.363767.

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33

Al-Obaidi, Ala. "Synthesis and laser spectroscopy of porphyrins." Thesis, University of York, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.290870.

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34

Zheng, Xi. "Characterisation of luminescent electropolymerised substituted porphyrins." Thesis, Glasgow Caledonian University, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.443219.

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35

Vulpe, Elena. "Molecular tectonics based on fluorinated porphyrins." Thesis, Strasbourg, 2015. http://www.theses.fr/2015STRAF048/document.

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Les travaux décrits dans ce manuscrit utilisent les principes de la tectonique moléculaire pour générer des polymères de coordination hautement fluorés et /ou chiraux pour une application potentielle en séparation chirale. La synthèse de 13 porphyrines de type A2B2 substituées en position méso par deux pyridines et par deux chaines fluorées et/ou alkyles a été mise au point. Des réseaux de coordination ont été obtenus en présence de Zn(II) et de Cd(II) et caractérisés par diffraction des RX sur monocristal (DRX). Une analyse systématique des interactions supramoléculaires et notamment de inter

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36

Fukui, Norihito. "Development of Novel π-Extended Porphyrins". Kyoto University, 2018. http://hdl.handle.net/2433/232280.

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37

Shi, Limiao. "Organic and Organometallic Porphyrins for Optics." Thesis, Rennes, INSA, 2019. http://www.theses.fr/2019ISAR0015.

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Анотація:

Au cours de ce travail de thèse, nous nous sommes concentrés sur la synthèse et la caractérisation de nouveaux composés à base de porphyrine. Ces architectures moléculaires ont été élaborées pour leurs propriétés optiques linéaires (OL) et non linéaires (ONL), particulièrement pour leurs propriétés d'absorption à deux photons (ADP). Les processus de transfert d'énergie des bras donneurs vers le cœur porphyrine sont aussi discutés. Tout d'abord, en Introduction (Chapitre I), nous présentons le contexte général de la chimie des porphyrines selon cinq aspects: (1) la structure, (2) les méthodes d

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38

Shimizu, Soji. "Development of chemistry of expanded porphyrins." 京都大学 (Kyoto University), 2007. http://hdl.handle.net/2433/136969.

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39

Soya, Takanori. "Studies on Novel Gigantic Expanded Porphyrins." Kyoto University, 2019. http://hdl.handle.net/2433/242632.

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40

IENGO, ELISABETTA. "METAL-MEDIATED SUPRAMOLECULAR ASSEMBLIES OF PORPHYRINS." Doctoral thesis, Università degli studi di Trieste, 2002. http://thesis2.sba.units.it/store/handle/item/12433.

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41

Atefi, Farzad. "Synthesis and reactions of organometallic porphyrins." Thesis, Queensland University of Technology, 2007. https://eprints.qut.edu.au/17563/1/Farzad_Atefi_Thesis.pdf.

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This thesis reports progress in three major aspects of σ-bonded organometallic porphyrins that are described in the published papers found in chapters 4, 5 and 6. meso-Iodoporphyrins, which were prepared in a rapid, selective and high yielding methodology from the respective 1-palladioporphyrins or bromoporphyrins, are important starting materials for further functionalisations of porphyrins. Their utility was confirmed in a palladium-catalysed coupling reaction and this novel synthetic strategy could potentially be applied for iodine/bromine exchange on other organic substrates.. A 1-pal

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42

Atefi, Farzad. "Synthesis and reactions of organometallic porphyrins." Queensland University of Technology, 2007. http://eprints.qut.edu.au/17563/.

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This thesis reports progress in three major aspects of σ-bonded organometallic porphyrins that are described in the published papers found in chapters 4, 5 and 6. meso-Iodoporphyrins, which were prepared in a rapid, selective and high yielding methodology from the respective 1-palladioporphyrins or bromoporphyrins, are important starting materials for further functionalisations of porphyrins. Their utility was confirmed in a palladium-catalysed coupling reaction and this novel synthetic strategy could potentially be applied for iodine/bromine exchange on other organic substrates.. A 1-pal

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43

Liu, Chunjing. "Nonplanar and sterically encumbered ruthenium porphyrins and catalytic reactivity of ruthenium and manganese porphyrin complexes supported on MCM-41 /." Hong Kong : University of Hong Kong, 1998. http://sunzi.lib.hku.hk/hkuto/record.jsp?B19737518.

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44

Poon, Chun Ting. "Synthesis, characterization, photophysics, energy transfer and bioactivity of porphyrins and N-confused porphyrins with appended functional groups." HKBU Institutional Repository, 2008. http://repository.hkbu.edu.hk/etd_ra/940.

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45

Wang, Yaqiong. "Synthesis of new nanomaterials based on porphyrins and graphene for elaboration of sensitive and selective DNA biosensors." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLS338/document.

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La conception et le développement de biocapteurs pour la détection directe de biomarqueurs dans un échantillon de fluide biologique constituent un véritable défi dans la recherche pour leur application dans le système de point de soins en diagnostic. Mon projet est axé sur l'élaboration d'une nouvelle plateforme de décomposition biologique composée de graphène qui présente une surface électroactive et spécifique élevée permettant de greffer de nombreux biomolécules avec des métalloporphyrines en tant que nouveau marqueur redox pour suivre le processus de reconnaissance biologique obtenu dans l

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46

Lau, Kimberly Sui Fa. "Syntheses and evaluation of novel porpholactones for photonic applications /." Thesis, Connect to this title online; UW restricted, 2006. http://hdl.handle.net/1773/11609.

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47

Danso-Danquah, Richmond Edward. "Syntheses of polypyrrolic macrocycles." Thesis, University of British Columbia, 1986. http://hdl.handle.net/2429/26240.

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Pentaphyrins are pentapyrrolic macrocycles containing five bridging methine groups between the five pyrrolic subunits. The syntheses of decamethylpentaphyrin 71, 2-ethoxycarbonyl-3,7,8,12,13,17,18,22,23-nonamethylpentaphyrin 74, 2-ethoxycarbonyl-3,7,8,22,23-pentamethyl-12,13,17,18-tetraethylpentaphyrin 75, 3,12-dimethoxycarbonylethyl-2,7,8,-13,17,18,22,23-octamethylpentaphyrins 29 and the zinc complexes of 71 and 74 are described. The physical properties of the pentaphyrins show them to be aromatic like sapphyrins, porphyrins and corroles. This aromaticity is reflected in the large shielding

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48

Steiger, George Edward. "Voltammetric investigation of rhenium and technetium tricarbonyl prophyrins." Thesis, Georgia Institute of Technology, 1986. http://hdl.handle.net/1853/26947.

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49

Muller, Richard P. Goddard William A. "Development and implementation of ab initio methods for application to large molecules." Diss., Pasadena, Calif. : California Institute of Technology, 1994. http://resolver.caltech.edu/CaltechTHESIS:10292009-080702117.

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Анотація:

Thesis (Ph. D.)--California Institute of Technology, 1994. UM #94-27,307.<br>Advisor names found in the Acknowledgments pages of the thesis. Title from home page. Viewed 01/22/2010. Includes bibliographical references.

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Fowler, Christopher James. "The stability and coordination chemistry of metalloporphyrin isomers and self-assembled helices of 2,2'-biimidazoles /." Full text (PDF) from UMI/Dissertation Abstracts International, 2000. http://wwwlib.umi.com/cr/utexas/fullcit?p3004265.

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