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Dissertations / Theses on the topic 'Aromatic nuclei'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Silver, David J. "Occupational exposure to ultrafine particles and polycyclic aromatic hydrocarbons from candle emissions." [Tampa, Fla] : University of South Florida, 2005. http://purl.fcla.edu/usf/dc/et/SFE0001426.

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2

Myers, Eddie Leonard. "Heterocyclic aromatic nucleic acids." Thesis, McGill University, 2002. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=79056.

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In order to investigate the role played by the aromatic moiety of Aromatic Peptide Nucleic Acids (APNAs) in their ability to hybridize with RNA and DNA, as well as improve the solubility of APNA oligomers in aqueous solutions, a new generation of heterocyclic monomers were designed. APNA monomers, where the nucleobase can be thymine, cytosine adenine or guanine, with backbones contain thiophene and pyridine moieties were synthesized. Suitably protected APNA-APNA and PNA-APNA dimers were also synthesized as building blocks for the solid phase synthesis of APNA-PNA chimeras and APNA homop

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3

Boyd, Michael J. "Synthesis of aromatic peptide nucleic acids." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0007/MQ43635.pdf.

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4

Živković, Aleksandra. "RNA recognition by fluoro aromatic substituted nucleic acid analogues." [S.l.] : [s.n.], 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=976480190.

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5

Fader, Lee David 1974. "Design, synthesis and physicochemical properties of aromatic peptide nucleic acids." Thesis, McGill University, 2002. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=82867.

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Synthetic methods were developed for the preparation of several structurally diverse aromatic peptide nucleic acid (APNA) monomers containing all four natural DNA bases. This set of building blocks was useful for the preparation of oligomers designed to evaluate the hybridization properties of novel peptide nucleic acid (PNA) analogues, which incorporate aromatic rings into their backbone. Protocols for the solid-phase synthesis of APNA-PNA chimeras and APNA homopolymers were also developed.<br>Thermal denaturation experiments involving APNA-PNA chimeras demonstrated that APNA backbones

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6

Tikilili, Phumza Vuyokazi. "Biodegradation of complex aromatic compounds in nuclear process water." Diss., University of Pretoria, 2010. http://hdl.handle.net/2263/25979.

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Nuclear energy generation results in the production of effluents and radioactive waste that are very difficult to treat and dispose. A considerable fraction of nuclear waste is discharged in the form of complex mixtures of hazardous organic compounds and metallic radionuclides. The most serious pollution is caused by polycyclic aromatic hydrocarbons (PAHs) and polychlorinated biphenyls that are very difficult to remove from the environment. The nuclear industry faces certain challenges related to treatment and safe disposal of these mixed radioactive organic wastes due to the toxicity and reca

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7

Lunetta, Jacqueline F. "The stereoselective synthesis of a novel aromatic peptide nucleic acid, APNA, oligomer." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq25983.pdf.

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8

McClellan, Lindsay Rene. "Characterization of ARNT (Aryl Hydrocarbon Receptor Nuclear Translocator) Expression in the Soft-shell Clam (Mya arenaria)." Fogler Library, University of Maine, 2007. http://www.library.umaine.edu/theses/pdf/McClellanLR2007.pdf.

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9

Hardy, Stella Jane. "Photochemistry and photopolymerisation activity of novel aromatic carbonyl photoinitiators." Thesis, Manchester Metropolitan University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.359296.

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The photochemistry and photopolymerisation activity of eight novel aromatic carbonyl photoinitiators have been examined. Five of these were t-butyl perester derivatives, three of 9-fluorenone and these were compared with fluorenone itself and the other two of benzophenone and this was used for comparison also. The remaining three compounds incorporated acetophenone type chromophores bound onto a polysiloxane backbone and these were compared to diethoxyacetophenone. The photochemistry was examined using UV/Vis absorption spectroscopy, luminescence, and flash photolysis, both conventional micros

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10

Song, Li. "Liquid Phase Carbon-Thirteen Dynamic Nuclear Polarization Study of Monosubstituted Aromatic Compounds." Thesis, Virginia Tech, 1997. http://hdl.handle.net/10919/36999.

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In this work, liquid phase Carbon-thirteen DNP experimental data were collected in a flow transfer system for different mono-substituted aromatic compounds, such as, anisole, nitrobenzene and halobenzenes. These substitute groups covered a wide range of electronic effects from strong electron donating groups to strong electron withdrawing groups. Hammett linear free energy relationship was used to quantitatively study the electronic effect of substituent on the carbon-thirteen DNP enhancement. It was found that the carbon-thirteen DNP enhancements at meta and para positions exhibits a reasonab

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11

Pittman, Eddie LaReece. "Computed NMR shielding values of unsaturated five-membered-heterocyclic ring compounds and their benzo-analogs as a measure of aromaticity." View electronic thesis, 2008. http://dl.uncw.edu/etd/2008-2/r1/pittmane/eddiepittman.pdf.

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12

Singh, J. "Some aromatic sulphonamide inhibitors of carbonic anhydrase and their use in nuclear medicine." Thesis, University of Southampton, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375677.

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13

Ramraj, Anitha. "Computational modelling of intermolecular interactions in bio, organic and nano molecules." Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/computational-modelling-of-intermolecular-interactions-in-bio-organic-and-nano-molecules(7a41f3cd-1847-4ccf-8853-5fd8be2a2c15).html.

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We have investigated the noncovalent interactions in carbohydrate-aromatic interactions which are pivotal to the recognition of carbohydrates in proteins. We have employed quantum mechanical methods to study carbohydrate-aromatic complexes. Due to the importance of dispersion contribution to the interaction energy, we mainly use density functional theory augmented with an empirical correction for the dispersion interactions (DFT-D). We have validated this method with a limited number of high level ab initio calculations. We have also analysed the vibrational and NMR chemical shift characterist

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14

Driega, Alex B. (Alexander Brooke) Carleton University Dissertation Chemistry. "An analysis of factors contributing to isotropic [superscript] 13C shifts in 1,2- Dialkoxybenzene and Cyclohexane derivatives." Ottawa, 1992.

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15

Fernandes, Sergio Antonio. "Aplicação da RMN de 1H para prever regiosseletividade do rearranjo de Claisen aromatico." [s.n.], 2001. http://repositorio.unicamp.br/jspui/handle/REPOSIP/248652.

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Orientador : Anita Jocelyne Marsaioli<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Quimica<br>Made available in DSpace on 2018-08-02T09:33:09Z (GMT). No. of bitstreams: 1 Fernandes_SergioAntonio_M.pdf: 3614422 bytes, checksum: a6ee0364a0bf0915e0a7bd0f9c905fd2 (MD5) Previous issue date: 2001<br>Mestrado

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16

Onchoke, Kefa Karimu. "Experimental and theoretical studies of nitrated polycyclic aromatic hydrocarbons." Columbus, Ohio : Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1143220534.

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17

Rowland, Keith E. (Keith Edward). "An NMR Investigation of Aryl Mercury Compounds." Thesis, North Texas State University, 1987. https://digital.library.unt.edu/ark:/67531/metadc500453/.

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A variable temperature ^13 C and ^199 Hg NMR study has been conducted for diphenyl-, bis(o-tolyl)-, bis(m-tolyl)-, and bis(2, 6-xylyl)mercury in dimethyl sulfoxide and 1,1,2,2 tetrachloroethane; ^13 C T1 relaxation times are reported as a function of temperature. Barriers to rotation of the aryl rings are obtained. Chemical shifts and couplings in CDCl_3 are given for bis(p-tolyl)-, bis(2, 5-xylyl)-, bis(mesityl)-,phenyl(o-tolyl)-, phenyl(m-tolyl)mercury, and the compounds listed above. The steric interactions of these aryl mercury compounds are discussed.

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18

Hallwass, Fernando. "RMN de natftalenos 1,4- e 1,4,8 - substituidos: estudo da interdependencia do deslocamento quimico e da constante de acoplamento com as propriedades do substituinte." reponame:Repositório Institucional da UFSC, 1996. http://repositorio.ufsc.br/xmlui/handle/123456789/76430.

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Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciencias Fisicas e matematicas<br>Made available in DSpace on 2012-10-16T10:15:31Z (GMT). No. of bitstreams: 0Bitstream added on 2016-01-08T20:49:12Z : No. of bitstreams: 1 105516.pdf: 8606952 bytes, checksum: cf4876bdc93636c539b3f5afde7a580c (MD5)<br>Admite-se, de longa data, que a escovação dentária constitui um dos procedimentos mais utilizados e o mais eficaz no sentido de manter uma boa higiene bucal. Contudo, através de observações e estudos realizados sabe-se também que um grande número de pessoas não consegue at

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19

Souza, Alexandre Araújo de. "Um estudo da interação entre ions aromaticos e micelas, em cristais liquidos liotropicos nematicos e em soluções isotropicas, por ressonancia magnetica nuclear." [s.n.], 2001. http://repositorio.unicamp.br/jspui/handle/REPOSIP/250373.

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Orientador : Fred Yukio Fujiwara<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Quimica<br>Made available in DSpace on 2018-07-27T23:17:55Z (GMT). No. of bitstreams: 1 Souza_AlexandreAraujode_D.pdf: 16938922 bytes, checksum: 54996907843c4a66d2b12a33afdece1c (MD5) Previous issue date: 2001<br>Doutorado

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20

Dunn, James A. "From organometallic cations to carbenes : an NMR, structural and reactivity study /." *McMaster only, 1998.

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21

MARANI, DEBORA. "Development of hybrid proton-conducting polymers for proton exchange membrane fuel cells." Doctoral thesis, Università degli Studi di Roma "Tor Vergata", 2006. http://hdl.handle.net/2108/202679.

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Lo sviluppo di elettroliti polimerici di nuova generazione è un requisito essenziale per la diffusione su grande scala delle celle a combustibile a membrana polimerica. Tali conduttori protonici devono esibire stabilità morfologica, idrolitica, meccanica ed adeguate proprietà di conducibilità (σ~ 0.01 Scm-1) a temperature superiori a 100 °C per bassi valori d’umidità relativa. Nel presente lavoro sono esplorate diverse strategie per la sintesi di polimeri conduttori ibridi organici-inorganici nanocompositi a partire da polimeri termoplastici aromatici. L'impiego di materiali ibridi permette d

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22

Indrajith, Suvasthika. "Croissance moléculaire induite dans les agrégats d'hydrocarbures linéaires par la collision avec des ions et des électrons." Thesis, Normandie, 2021. http://www.theses.fr/2021NORMC201.

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Cette thèse est consacrée à l’étude expérimentale en phase gazeuse des collisions entre des particules ionisantes de faible énergie et des agrégats neutres d’hydrocarbures linéaires faiblement liés entre eux. Ces expériences ont eu comme objectif d’analyser les processus subséquents aux transferts d’énergie et de charge lors de la collision. Il s’agit de la fragmentation et de la croissance moléculaire via la mise en place de liaisons covalentes entre les molécules formant ces agrégats. Les travaux expérimentaux dans ce manuscrit ont permis d’éclairer les rôles respectifs de l’ionisation élect

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23

Demonchaux, Patrice. "Recherche d'agents radioprotecteurs : synthèse et mécanisme d'action de composés de type intercalant-aminothiol." Grenoble 1, 1988. http://www.theses.fr/1988GRE10016.

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Les intercalants utilises sont des amino-9 chloro-6 methoxy-2 acridines des amino-4 chloro-7 quinoleines et des amino-4 chloro-7 methyl-1 quinoleiniums sur lesquels ont ete introduites des chaines analogues a celles de la cysteamine et du wr 2727; etude de l'affinite de ces composes avec l'adn

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24

Kolappan, S. "X-Ray Crystallographic Studies On Nucleosides Containing Aromatic Groups." Thesis, 1999. https://etd.iisc.ac.in/handle/2005/1946.

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25

Kolappan, S. "X-Ray Crystallographic Studies On Nucleosides Containing Aromatic Groups." Thesis, 1999. http://etd.iisc.ernet.in/handle/2005/1946.

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26

Živković, Aleksandra [Verfasser]. "RNA recognition by fluoro aromatic substituted nucleic acid analogues / von Aleksandra Živković." 2005. http://d-nb.info/976480190/34.

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27

Sonti, Rajesh. "Conformational Analysis of Designed and Natural Peptides : Studies of Aromatic/Aromatic and Aromatic/Proline Interactions by NMR." Thesis, 2013. http://etd.iisc.ac.in/handle/2005/3335.

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This thesis describes NMR studies which probe weak interactions between amino acid side chains in folded peptide structures. Aromatic/aromatic interactions between facing phenylalanine residues have been probed in antiparallel β-sheets, while aromatic/proline interactions have been examined using cyclic peptide disulfides that occur in the venom of marine cone snails. Novel intramolecular hydrogen bonded structures in hybrid peptides containing backbone homologated residues, specifically γ-amino acids, are also described. Chapter 1 provides a brief background to the principles involved in th

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28

Sonti, Rajesh. "Conformational Analysis of Designed and Natural Peptides : Studies of Aromatic/Aromatic and Aromatic/Proline Interactions by NMR." Thesis, 2013. http://etd.iisc.ernet.in/2005/3335.

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This thesis describes NMR studies which probe weak interactions between amino acid side chains in folded peptide structures. Aromatic/aromatic interactions between facing phenylalanine residues have been probed in antiparallel β-sheets, while aromatic/proline interactions have been examined using cyclic peptide disulfides that occur in the venom of marine cone snails. Novel intramolecular hydrogen bonded structures in hybrid peptides containing backbone homologated residues, specifically γ-amino acids, are also described. Chapter 1 provides a brief background to the principles involved in th

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29

Naaresh, Reddy G. "In Silico Studies of Functionalized Aromatic Heterocyclic and Zintl Ion Based Superatom/Alkali/Halogen." Thesis, 2020. http://ethesis.nitrkl.ac.in/10159/1/2020_PhD_GNReddy_515CY6015_In_Silico.pdf.

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Atomic clusters have emerged as a new phase of matter, whose properties are not only dependent on size and composition but also on the geometrical arrangements. One of the major goals of cluster science has been to use clusters as building blocks of materials with tailored properties. Two important sets of clusters that belong to this category are superalkalis and superhalogens. Apart from these molecules, another kind of cluster, known as Zintl cluster has a very special chemistry. Considering the potential applications of these compounds in vivid fields, in this thesis several superalkali an

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30

Ward, Timothy Robbins. "The NMR properties, photochromism and efficient syntheses of several [e]-annelated dimethyldihydropyrenes." Thesis, 2000. https://dspace.library.uvic.ca//handle/1828/9864.

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A systematic and efficient route to [e]-annelated derivatives of 2,7-di-t- butyl-trans-10b, 10c-dimethyl-10b,10c-dihydropyrene 34 has been achieved which provides access to the benzo, naphtho, and anthro derivatives of 34, by means of a Diels - Alder reaction of an aryne with a furan. Reaction of the annulyne derived from bromide 50 with furan gave adduct 52 which could be both deoxygenated to benzo derivative 53 and reacted with tetrazine 54 to yield the annuleno furan 55 which subsequently with benzyne and 2,3-naphthalyne yielded adducts which were deoxygenated to naphtho and anthro d

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31

Štěpánek, Petr. "Magnetický cirkulární dichroismus a aromatické sloučeniny." Doctoral thesis, 2015. http://www.nusl.cz/ntk/nusl-352243.

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Title: Magnetic circular dichroism and aromatic compounds Author: Petr Štěpánek Department/Institute: Institute of Organic Chemistry and Biochemistry AS CR, v.v.i. Supervisor: prof. RNDr. Petr Bouř, DSc., Institute of Organic Chemistry and Biochemistry AS CR, v.v.i. Abstract: The thesis presents a series of studies concerning magnetic circular dichroism (MCD), a spectroscopic method, which experienced an intense theo- retical development in the recent years. New computational codes opened possi- bilities to calculate MCD spectra of larger and more varied molecules than was possible in the past

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32

Bernard-Gauthier, Vadim. "Développement et radiosynthèse de ligands du récepteur tyrosine kinase neurotrophique type 2 (TrkB) marqués aux carbone-11 et fluor-18 pour l’imagerie cérébrale par tomographie d’émission de positons." Thèse, 2013. http://hdl.handle.net/1866/10664.

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Ce mémoire présente mes travaux ayant menés au développement d’une première génération de radioligands marqués au fluor-18 (t1/2 = 110 min) et au carbone-11 (t1/2 = 20.4 min) destinés à l’imagerie cérébrale in vivo du récepteur tyrosine kinase neurotrophique de type 2 (TrkB) en tomographie par émission de positons (TEP). Ces travaux reposent sur l’identification récente de ligands de TrkB non peptidiques à hautes affinités dérivés du 7,8-dihydroxyflavone. La synthèse d’une série de dérivés du 7,8-dihydroxyflavone non-radioactifs de même que des précuseurs à l’incorporation du fluro-18 et du c

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