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Dissertations / Theses on the topic 'Transfer agents'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Young, Elizabeth. "Sex and the Seas: Gene Transfer Agents." Scholar Commons, 2011. http://scholarcommons.usf.edu/etd/3418.

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Gene Transfer Agents (GTAs) are phage-like pthesiss that are produced by many alpha proteobacteria in late stationary growth phase and are capable of transferring chromosomal genes (termed "constitutive transduction"). Examination of alpha proteobacterial genomic sequences indicated widespread occurrence of GTA-like elements. The goal of this study was to investigate gene transfer potential of GTAs of marine alpha proteobacteria in culture as well as in natural marine environments. Another goal was to determine the potential of bacterial symbionts from zooxanthellae and coral to genetically

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2

Lee, Ching Ching. "Utilising phase transfer agents to enhance rapid detection of chemical warfare nerve agents." Thesis, Lee, Ching Ching (2021) Utilising phase transfer agents to enhance rapid detection of chemical warfare nerve agents. Masters by Research thesis, Murdoch University, 2021. https://researchrepository.murdoch.edu.au/id/eprint/64514/.

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Methylphosphonic acid (MPA) is the final degradant of many chemical warfare nerve agents (CWAs). Its detection in environmental and biological samples is a potential indicator of nerve agent use. Due to its high polarity and low volatility, analysis using gas chromatography-mass spectrometry (GC-MS) requires the derivatisation of MPA into a more volatile and less polar species. Currently, to derivatise MPA, it is typically necessary to perform the time-consuming and error-inducing water removal process prior to derivatisation. Therefore, it is of paramount importance to develop alternate rapid

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3

Hall, Daniel J. "Controlled radical polymerisation using novel chain transfer agents and initiating systems." Thesis, University of York, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.550351.

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The work presented in this thesis is focussed on the development of novel methodologies for use in controlling radical polymerisation reactions. The ability to exert control over polymerisation reactions is of great importance industrially. Chain transfer agents (CT As) are a classical method for controlling average molecular weight of polymer samples produced in reactions. Generally small organic molecules with a labile (abstractable) atom/group, CTAs can also be used to introduce functionality into a polymer chain. This thesis describes the synthesis and development of several families of ch

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4

Scott, Michael Andrew. "Biology and clinical application of peripheral blood stem cells mobilised by pharmacological agents." Thesis, Anglia Ruskin University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.363925.

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5

Brooks, Lancelot L. "Synthesis of bromochloromethane using phase transfer catalysis." Thesis, Nelson Mandela Metropolitan University, 2011. http://hdl.handle.net/10948/d1008162.

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The synthesis of bromochloromethane (BCM) in a batch reactor, using phase transfer catalysis, was investigated. During the synthetic procedure, sodium bromide (100.0g, 0.97mol) along with an excess amount of dichloromethane (265.0g, 3.12 mol) was charged to a reactor containing benzyl triethylammonium chloride (13 mmol), dissolved in 50 ml of water. The bench scale reactions were all carried out in a Parr 4520 bench top pressure reactor coupled to a Parr 4841 temperature controller. The method produced a 50.0 percent yield of the product BCM after a reaction time of 12 to 13 hours. The main ob

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6

Nelson, Carrie B. "Evaluation of information transfer between extension agents and dairy producers in Pennsylvania." Morgantown, W. Va. : [West Virginia University Libraries], 2008. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=5637.

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Thesis (M.S.)--West Virginia University, 2008.<br>Title from document title page. Document formatted into pages; contains x, 121 p. : col. ill. Vita. Includes abstract. Includes bibliographical references (p. 73-75).

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7

Takolpuckdee, Pittaya. "Progress in RAFT polymerisation : design, application and recovery of chain transfer agents." Thesis, University of Leeds, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.417731.

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8

McFarland, Matthew R. "Transfer RNAs as regulatory agents in the translational control of gene expression." Thesis, University of Aberdeen, 2016. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=231855.

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Translational efficiency is dictated in part by the availability of charged transfer RNA. Depletion of aminoacylated tRNAs (e.g. during recombinant protein expression) can increase translational errors and associated stress responses. Here, the role of tRNAs as regulators of gene expression was explored through development of synthetic, tRNA-regulated gene circuits, and through an investigation of the impact of tRNA aminoacylation on endogenous gene expression. Synthetic gene circuits initially explored the use of dominant negative alleles of the release factor eRF1 to modulate stop codon read

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9

Cullen, Travis J. "Evaluation of information transfer between beef producers and extension agents in West Virginia." Morgantown, W. Va. : [West Virginia University Libraries], 2010. http://hdl.handle.net/10450/11062.

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Thesis (M.S.)--West Virginia University, 2010.<br>Title from document title page. Document formatted into pages; contains viii, 100 p. : ill. Vita. Includes abstract. Includes bibliographical references (p. 58-60).

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10

Parkins, Ferrón Courtney Garfield. "Translators as agents of lexical transfer: evidence from the standardization of curacaoan papiamentu." Doctoral thesis, Universitat Rovira i Virgili, 2014. http://hdl.handle.net/10803/296445.

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Aquest treball investiga si els traductors professionals de papiament de Curaçao actuen com a agents de transferència lèxica i també si ho fan d'una manera servil. La recerca adopta un enfocament de mètodes mixts que es triangulen. L'aspecte quantitatiu de la mateixa es desenvolupa en base la resposta del qüestionari d'una mostra de 205 traductors i no traductors. L'aspecte qualitatiu es basa en una pregunta oberta en el qüestionari, una mostra de tres entrevistes planificadors lingüístics governamentals i en una selecció de textos en apapiamento (no)traduïts. Els resultats mostren que els tra

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11

Fan, Weijia. "Design and Utilization of New Organotellurium Chain Transfer Agents for Advanced Polymer Synthesis." Kyoto University, 2019. http://hdl.handle.net/2433/242914.

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12

Herzog, Christina. "Contributions à la modélisation avec un système multi agent du transfert technologique en Green IT." Thesis, Toulouse 3, 2015. http://www.theses.fr/2015TOU30178/document.

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Depuis 5 à 10 ans, les recherches sont nombreuses sur la réduction de l'énergie en l'informatique (principalement sur la réduction de l'électricité). Plusieurs études ont en effet alerté les intervenants et les organismes environnementaux sur l'urgence du problème de la consommation d'énergie des infrastructures à grande échelle, comme les centres de données, l'informatique en nuage ??ou simplement les sociétés exploitant des serveurs et de nombreux équipements IT. Cette prise de conscience est passée d'un problème peu important à une contrainte majeure sur le fonctionnement de ces infrastruct

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13

Wood, Murray Royston. "Novel synthetic route to chain transfer agents and their use in RAFT/MADIX polymerizations." Thesis, University of Leeds, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.445847.

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14

Engelis, Nikolaos. "Block and multi block copolymers via SF-RAFT : utilising macromonomers as chain transfer agents." Thesis, University of Warwick, 2018. http://wrap.warwick.ac.uk/110782/.

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The objective of this work is to investigate and expand the use of methacrylic macromonomers as chain transfer agents. Although chain transfer activity had been demonstrated previously, the limits of the technique have not been fully explored. As such, a new approach for the efficient synthesis of methacrylic polymers in emulsion is presented, aiming at fully exploiting the vinyl end-group of the CCTP-derived macromonomers and consequently their chain transfer activity. Moreover, the preparation of higher MWt copolymers as well as more complex structures (e.g. triblocks etc) by this method wil

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15

Hodgson, Marcelle. "Emulsion polymerization of styrene in the presence of reversible addition-fragmentation chain transfer agents." Thesis, Stellenbosch : Stellenbosch University, 2000. http://hdl.handle.net/10019.1/51739.

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Thesis (MSc)--Stellenbosch University, 2000.<br>ENGLISH ABSTRACT: This work involves the study of the effects of Reversible Addition-Fragmentation Chain Transfer (RAFT) agents on the emulsion polymerization of styrene. The feasibility of RAFT as a method for obtaining controlled radical polymerizations in emulsion systems is also investigated. Both seeded and ab initio systems were studied with three RAFT agents of varying structure. Inhibition and retardation effects on addition of various amounts of the RAFT agents to the emulsion systems were observed and the trends noticed. The effe

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16

Ehrlich, Lili E. "Thermal Conductivity of Cryoprotective Agents with Applications to Cryopreservation by Vitrification." Research Showcase @ CMU, 2017. http://repository.cmu.edu/dissertations/868.

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Cryopreservation is the preservation of biomaterials at extremely low temperatures. It is the only alternative for long-term storage of high quality biomaterials, with applications to biobanking and transplant medicine. Cryopreservation success revolves around the control of ice formation, which is known to be harmful. Ice formation is a path-dependent phenomenon, affected by the thermal history and presence of nucleation promotors. Cryoprotective agents (CPAs) are commonly added to the biomaterial to be preserved, in order to suppress ice formation and inhibit its growth during the cryopreser

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17

Robinson, Esther Rhiannon. "Conjugative transfer and phylogeny of an antibiotic resistant haemophilus element, ICEHin1056." Thesis, University of Oxford, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.572683.

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Antibiotic resistance in bacteria is a growing threat to global health. Many of the genes responsible for resistance are carried on mobile genetic elements which can be transferred laterally between strains and species. The most important of these are conjugative and mobilisable elements including plasmids and integrating and conjugating elements, ICEs. Haemophi/us influenzae is an important human pathogen, which was first identified as carrying antibiotic resistance genes in the 1970s. Much of this resistance is encoded by ICEHin1056, which is present in H. influenzae strains worldwide. The a

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18

Perrot, Emilie. "L'activité transférentielle, une ressource au service du développement du métier : le cas des agents d'escale et de service commercial en gare." Thesis, Paris, CNAM, 2017. http://www.theses.fr/2017CNAM1087/document.

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A partir d’une intervention réalisée à la SNCF auprès de deux collectifs d’agents commerciaux et d’escale en gare, cette thèse explore la fonction de l’activité transférentielle qui peut se déployer durant l’intervention. Nous cherchons à expliquer la manière dont les « mouvements de places » du chercheur et/ou des professionnels à l’œuvre dans le dispositif clinique peuvent constituer une ressource pour le développement du métier.Une analyse multimodale de nos matériaux, issus principalement des autoconfrontations croisées, s’attache à repérer d’une part les indices de présence d’une activité

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19

Zinselmeyer, Bernd H. "Evaluation of polypropylenimine dendrimers and their quaternary amino derivates as non-viral gene transfer agents." Thesis, University of Strathclyde, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.432089.

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20

Huerta, Melchor Oscar. "Understanding international agents of policy transfer : the case of the OECD and Mexican administrative reform." Thesis, University of York, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.428435.

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21

El, Harfi Jaouad. "Radical polymerisation promoted by dimanganese decacarbonyl and chain transfer agents : synthesis of low molecular weight polymers." Thesis, University of York, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.437564.

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22

Lucas, Stephanie Jayne. "The synthesis of group 9 complexes for use as transfer hydrogenation catalysts and anti-cancer agents." Thesis, University of Leeds, 2013. http://etheses.whiterose.ac.uk/4441/.

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This thesis concerns the synthesis of group 9 Cp* and hydroxyl tethered Cp* based complexes for their use as both anti-cancer agents and transfer hydrogenation catalysts. The successful catalysts were immobilised covalently onto Wang resin for their use as recyclable transfer hydrogenation catalysts in the reduction of benzaldehyde and acetophenone. Chapter 1 is a current review of transfer hydrogenation using metal-arene complexes and immobilised catalysts. Chapter 2 describes the synthesis and characterisation of group 9 hydroxyl tethered Cp* based dihalide dimers. Chapter 3 describes the sy

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23

Aints, Alar. "Vector development for suicide gene therapy /." Stockholm, 2002. http://diss.kib.ki.se/2002/91-7349-199-3.

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24

Torrealdea, F. "Investigation of brain tumour metabolism using naturally occurring chemical exchange saturation transfer agents with magnetic resonance imaging." Thesis, University College London (University of London), 2016. http://discovery.ucl.ac.uk/1490928/.

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This thesis presents a thorough study on the newly developed glucoCEST magnetic resonance imaging (MRI) technique and its application for the assessment of malignant brain tumours. The key asset of glucoCEST is that it allows the detection of small concentration of glucose with standard MRI scanners and has the potential to provide a novel imaging tool to investigate diseases in which glucose metabolism is affected, in particular cancer. The physical principles and the rationale behind the glucoCEST technique are described in detail and factors influencing the measurements (both physiological

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25

Tay, Ming Kiong Michael. "Les carbanions alpha-phosphonylés, agents de transfert fonctionnel : applications synthétiques." Rouen, 1987. http://www.theses.fr/1987ROUES043.

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Cette étude développe les avantages de la voie carbanionique dans la préparation des phosphonates fonctionnels. La condensation des carbanions d'alkyphosphonates avec des précurseurs fonctionnels appropriés permet d'accéder aux énamines, amides et esters alpha-phosphorylés alpha-substitués. Elle permet d'introduire sur le carbone en alpha des substituants non accessibles par la synthèse traditionnelle de Michaelis-Arbusov. La stabilisation de l'intermédiaire réactionnel par complexation du cation avec le groupe phosphoryle assure sa formation facile et sa protection contre des attaques seconda

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26

Fouilland, Laura. "Synthesis of novel 1.10-phenanthrolins and cyclic analogs, a potential anticancer and antimalarial agents." Thesis, KTH, Skolan för kemivetenskap (CHE), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-32945.

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The potential antimalarial and anticancer effect of molecules containing 1,10-phenanthroline skeleton has been suspected on several previous studies. It is why the goal of this project is to synthesize novel 1,10-phenanthrolines and cyclic analogs. The originality of this project is the synthesis way of these novel compounds. Indeed, these structures will be obtained through an original redox approach developed in the SMITH laboratory using the tetrakis(dimethylamino)ethylene (TDAE) reagent. The TDAE is an electron rich organic molecule which is an effective reducing agent capable of gene

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27

Kimmelfield, Rebecca B. "Establishing the use of Pseudomonas spp. as biocontrol agents of fungal and nematode pathogens." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu159367589981123.

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28

Hubbard, Kendra Lynette. "Purification and Structural Characterization of a Novel Class of Protein- Based Magnetic Resonance Imaging Contrast Agents." Digital Archive @ GSU, 2010. http://digitalarchive.gsu.edu/chemistry_theses/33.

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More than one-third of all Magnetic Resonance Imaging (MRI) scans employ image-enhancing contrast agents to increase the differential signal intensity between diseased and normal tissue. Because current clinical contrast agents exhibit low relaxivity (mM-1 s-1), low dose efficiency, and rapid secretion, we have designed a group of protein-based MRI contrast agents with multiple gadolinium binding sites. In this study, the developed purification method for Class ProCA-3 agents allows for a quick and cost-effective way to abstract up to 109 mg of pure, soluble protein from a 1L E. Coli cell pell

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29

Kerekes, Angela D. "Chirality transfer in the allenic [2+2+1] cycloaddition reaction An approach towards the synthesis of antitumor agent, (±)-suberosenone, using an allenic [2+2+1] cycloaddition reaction /." Morgantown, W. Va. : [West Virginia University Libraries], 2001. http://etd.wvu.edu/templates/showETD.cfm?recnum=1887.

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Thesis (Ph. D.)--West Virginia University, 2001.<br>Title from document title page. Document formatted into pages; contains xi, 120 p. : ill. Includes abstract. Includes bibliographical references (p. 115-120).

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30

Qi, Yunying. "Investigation of Relationships among Microstructure, Rheology, Drag Reduction and Heat transfer of Drag Reducing Surfactant Solutions." The Ohio State University, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=osu1036712806.

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31

Beyers, Cornelis Petrus. "The effect of iodo alkyl chain transfer agents on the seeded emulsion homo- and co-polimerisation of styrene and butyl acrylate." Thesis, Stellenbosch : Stellenbosch University, 1999. http://hdl.handle.net/10019.1/51467.

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Thesis (MSc) -- Stellenbosch University, 1999.<br>ENGLISH ABSTRACT: A free-radical polymerisation process, which has characteristics of a living polymerisation system, as it is capable of producing polymers of pre-determined molecular masses with a narrow molecular mass distribution, is discussed. It is also possible to make blockcopolymers by adding adding different monomers. The basic objective was to describe, discuss and explain the results of the effects of alkyl iodides as chain transfer agents on the seeded emulsion homo- and co-polymerisation of styrene and butyl acrylate. lodoa

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32

Aljandal, Shahd Bader. "Packaging of Genetic Material by Gene Transfer Agents (GTAs) Produced by Marine Roseobacter Species and Their Effect on Stimulating Bacterial Growth." Scholar Commons, 2017. https://scholarcommons.usf.edu/etd/7389.

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Horizontal gene transfer is one of the most important mechanisms for prokaryotic genome innovation and evolution. Gene Transfer Agents (GTAs) are phage-like particles that package small fragments of the genome of a GTA-producing bacterial cell. GTA chromosomal gene clusters usually contain 15-conserved open reading frames (ORFs) and are present in most of the sequenced marine alpha-proteobacteria genomes. Some marine strains have been shown to produce GTA particles that were biologically active in marine environment. GTA particles range in size, morphology and the amount of host DNA they packa

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33

Репа, К. Ю. "Визначення і обґрунтування ефективності використання різних паливних ресурсів". Thesis, Сумський державний університет, 2016. http://essuir.sumdu.edu.ua/handle/123456789/49826.

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Одним з гострих питань в нашій країні є визначення економічно обґрунтованої ціни на теплоносії для населення і промисловості. Згідно з постановами КМУ та НКРЕ тарифи на теплову енергію дуже високі, тому постало питання визначення і порівняння ціни на опалення різними паливними ресурси. Для визначення ефективності опалення проведемо розрахунки вартості паливних ресурсів на опалювальну площу. Для цього зробимо припущення, що опалювальна площа дорівнює 1000 м2 і виконаємо розрахунки вартості палива на опалювальний сезон для умовної будівлі.

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34

Walmsley, Ryan Steven. "An investigation into the antidiabetic and catalytic properties of oxovanadium(IV) complexes." Thesis, Rhodes University, 2012. http://hdl.handle.net/10962/d1004978.

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In part 1 of this thesis, the antidiabetic activity of a series of novel oxovanadium(IV) complexes was investigated. A range of bidentate N,O-donor ligands, which partially mimic naturally occurring bioligands, were prepared and reacted with the vanadyl ion to form the corresponding bis-coordinated complexes. Initially, 2-(2ˊ-hydroxyphenyl)-1R-imidazoline (where R = H, ethyl and ethanol) ligands were prepared. The aqueous pH-metric chemical speciation was investigated using glass electrode potentiometry which allowed for the determination of protonation and stability constants of the ligands a

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35

Narvaez, Javier Artemio. "Evaluation of Alumina Nanofluids and Surfactant Drag Reducing Solutions to Improve Heat Transfer for Aircraft Cooling Systems." University of Dayton / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=dayton154479500350447.

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36

Bibouche, Bachir [Verfasser], Dieter [Akademischer Betreuer] Vogt, Reinhard [Akademischer Betreuer] Schomäcker, Dieter [Gutachter] Vogt, Reinhard [Gutachter] Schomäcker, and Paul [Gutachter] Kamer. "Catalytic hydroformylation reactions in liquid-liquid multiphase systems with polymer particles and without phase transfer agents / Bachir Bibouche ; Gutachter: Dieter Vogt, Reinhard Schomäcker, Paul Kamer ; Dieter Vogt, Reinhard Schomäcker." Berlin : Technische Universität Berlin, 2019. http://d-nb.info/1200467051/34.

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37

Almeida, Vanda. "Income inequality and the stabilising role of the tax and transfer system in times of crisis." Thesis, Paris, EHESS, 2019. http://www.theses.fr/2019EHES0194.

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Les crises globales entraînent souvent d'énormes perturbations économiques, qui peuvent durer de nombreuses années. Il est donc important de comprendre leurs conséquences et comment élaborer des politiques efficaces dans la réduction de leurs impacts. Il existe une littérature abondante sur les effets d’une crise au niveau agrégé et le rôle stabilisateur des politiques macroéconomiques. Toutefois, on a accordé beaucoup moins d'attention aux effets distributifs des crises et encore moins aux interactions entre ces effets et l'évolution de l’activité macroéconomique post crise. Si une aggravatio

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Revell, Kevin David. "Mode of action and structure-activity studies of N-alkylthio beta-lactams and N-alkylthio-2-oxazolidinones, and synthesis of second-generation disulfide Inhibitors of beta-Ketoacyl-Acyl Carrer Protein Synthase III (FabH) as potent antibacterial agents." [Tampa, Fla] : University of South Florida, 2006. http://purl.fcla.edu/usf/dc/et/SFE0001453.

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Hu, Weiwei. "Characterization of hydrodynamic forces and interfacial phenomena in cell culture processes." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1167409370.

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Ness, Sandro Luis Ribeiro. "Níveis de contaminação de superfície com gencitabina utilizando dispositivos de segurança em sistema fechado versus a técnica de preparo padrão." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/110235.

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Introdução: A manipulação de medicamentos antineoplásicos em Serviços de Saúde expõem os profissionais aos riscos químicos desses agentes, assim é fundamental monitorar e prevenir a exposição ocupacional. A utilização de dispositivos de Segurança no preparo de medicamentos tem sido recomendada por diversos órgãos internacionais de boas práticas no manuseio de medicamentos citotóxicos. Objetivo: Comparar, através da técnica de Cromatografia Líquida de Alta Eficiência com detector Ultravioleta (CLAE-UV), as taxas de contaminação de superfícies de trabalho, com a Gencitabina, utilizando Dispositi

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Siddiqui, Anwar J. "Therapeutic myocardial angiogenesis and its pharmacological modulation /." Stockholm, 2005. http://diss.kib.ki.se/2005/91-7140-511-9/.

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Meye, Biyogo Alex. "Stratégie radicalaire SRN1/Mn(OAc)3 sur des dérivés naphtoquinoniques à visée pharmacologique." Electronic Thesis or Diss., Aix-Marseille, 2016. http://www.theses.fr/2016AIXM4750.

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Ce travail est consacré à la recherche et au développement de nouvelles molécules à viséepharmacologique en série naphtoquinonique en utilisant des réactions par transfert monoélectroniquede type SRN1 et des cyclisations radicalaires oxydatives induites par l'acétate de manganèse(III). Lapremière partie décrit l’étude de la réactivité SRN1 de la 2-(chlorométhyl)-3-méthoxynaphtoquinoneavec divers anions nitronates conduisant à la formation de produits de C-alkylation avec de bonsrendements. Ces derniers ont fait l’objet d’une réaction de réduction-cyclisation permettant la synthèsede nouveaux d

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Meye, Biyogo Alex. "Stratégie radicalaire SRN1/Mn(OAc)3 sur des dérivés naphtoquinoniques à visée pharmacologique." Thesis, Aix-Marseille, 2016. http://www.theses.fr/2016AIXM4750.

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Ce travail est consacré à la recherche et au développement de nouvelles molécules à viséepharmacologique en série naphtoquinonique en utilisant des réactions par transfert monoélectroniquede type SRN1 et des cyclisations radicalaires oxydatives induites par l'acétate de manganèse(III). Lapremière partie décrit l’étude de la réactivité SRN1 de la 2-(chlorométhyl)-3-méthoxynaphtoquinoneavec divers anions nitronates conduisant à la formation de produits de C-alkylation avec de bonsrendements. Ces derniers ont fait l’objet d’une réaction de réduction-cyclisation permettant la synthèsede nouveaux d

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44

Derouiche, Abdelouahed. "Contribution à l'étude des microémulsions comme agents de transfert : application au transport d'ions métalliques et mécanismes des transferts liquide-liquide." Nancy 1, 1990. http://www.theses.fr/1990NAN10427.

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Des microémulsions à base d'AOT ou de tensioactifs non ioniques (type WII) sont utilisées comme véhicule pour transporter des solutes (picrate de potassium, sels de nickel) entre deux interfaces liquide-liquide. On examine un certain nombre de paramètres qui influent sur le flux de soluté transporté et on montre que les différents mécanismes de transfert sont possibles suivant la nature du tensioactif. On étudie de plus le transport d'ions métalliques à travers les membranes liquides couplant les micro-gouttelettes avec un extractant lipophile (Kelex 100). Enfin on montre que la solubilisation

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Fares, Mireille. "Multimodal Expressive Gesturing With Style." Electronic Thesis or Diss., Sorbonne université, 2023. http://www.theses.fr/2023SORUS017.

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La génération de gestes expressifs permet aux agents conversationnels animés (ACA) d'articuler un discours d'une manière semblable à celle des humains. Le thème central du manuscrit est d'exploiter et contrôler l'expressivité comportementale des ACA en modélisant le comportement multimodal que les humains utilisent pendant la communication. Le but est (1) d’exploiter la prosodie de la parole, la prosodie visuelle et le langage dans le but de synthétiser des comportements expressifs pour les ACA; (2) de contrôler le style des gestes synthétisés de manière à pouvoir les générer avec le style de

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Lang, Andrew Stephen. "The gene transfer agent (GTA) of Rhodobacter capsulatus." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0017/NQ56573.pdf.

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Eggenspiller, Antoine. "Porphyrines et tétraazamacrocycles dérivés du DOTA : association de deux ligands pour la chélation de métaux d'intérêt en imagerie médicale multimodale." Phd thesis, Université de Bourgogne, 2012. http://tel.archives-ouvertes.fr/tel-00873315.

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Le travail présenté dans ce mémoire avait pour but de synthétiser de nouvelles molécules dont l'architecture donne accès à des complexes hétérobimétalliques aux propriétés intéressantes pour l'imagerie médicale multimodale. Dans ce manuscrit plusieurs points principaux ont donc été abordés. La première partie de se travail porte sur la synthèse et la caractérisation des ligands. Nous décrivons dans ce manuscrit la synthèse de cinq nouveaux ligands hétérobismacrocycliques basés sur l'association d'une porphyrine et d'un ou de plusieurs dérivés du cyclène. Ces ligands présentent la particularité

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48

Jentzer, Olivier. "Synthèses de nouveaux agents antimicrobiens par réactions de transfert monoélectronique." Aix-Marseille 3, 1994. http://www.theses.fr/1994AIX30002.

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Ce travail est consacre a la synthese de nitrolactames et a l'etude de reactions par transfert monoelectronique des anions nitronates correspondants avec des agents alkylants reductibles d'interet pharmaceutique de la famille des nitro-5 imidazoles dans le but de preparer de nouveaux agents antimicrobiens plus actifs que les nitro-5 imidazoles actuellement commercialises. L'etude de la reaction s#r#n1 sur le methyl-1 chloromethyl-2 nitro-5 imidazole a ete mise au point avec l'anion de la methyl-1 nitro-3 pyrrolidone-2. Seules les conditions de transfert de phase (h#2o-c#6h#5ch#3 ; nbu#4br en q

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Tay, Ming-Kiong. "Les Carbanions alpha-phosphonyles, agents de transfert fonctionnel applications synthétiques /." Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb37610223s.

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Painter, Hazel. "An investigation of mRNA as a gene transfer agent." Thesis, University of Oxford, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.442904.

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