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Dissertations / Theses on the topic 'EDTA complexes'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Fauconnier, Theresa K. "Azapropazone and derivatized EDTA and DTPA complexes as MRI contrast agents." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ30136.pdf.

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2

Fauconnier, Theresa K. "Azapropazone and derivatized EDTA and DTPA complexes as MRI contrast agents /." *McMaster only, 1996.

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3

Watson, Martha. "Synthesis and Characterization of Polyaminopolycarboxylic Acid Analogs of EDTA and Their Transition Metal Complexes." TopSCHOLAR®, 2005. http://digitalcommons.wku.edu/theses/487.

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Polyaminopolycarboxylic acids have been studied for their ability to complex with various transition metal ions. Polyaminopolycarboxylic acids are of particular interest due to their ability to form multiple chelate rings with transition metal ions. Three analogs of EDTA have been successfully synthesized and characterized by i3C NMR: 1,3 PDTA (1,3-propylenediaminetetraacetic acid), 1,3-PDTP (1,3-propylenediaminetetrapropionic acid) and EDTP (ethylenediaminetetrapropionic acid). These ligands were then combined with copper (II), iron (III), cobalt (II) and nickel (II) to form complexes. The c

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4

Norén, Katarina. "Coordination Chemistry of Monocarboxylate and Aminocarboxylate Complexes at the Water/Goethite Interface." Doctoral thesis, Umeå University, Chemistry, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-1337.

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<p>This thesis is a summary of five papers with focus on adsorption processes of various monocarboxylates and aminocarboxylates at the water/goethite interface. Interaction of organic acids at the water/mineral interfaces are of importance in biogeochemical processes, since such processes have potential to alter mobility and bioavailability of the acids and metal ions.</p><p>In order to determine the coordination chemistry of acetate, benzoate, cyclohexanecarboxylate, sarcosine, MIDA (methyliminediacetic acid), EDDA (ethylenediamine-N,N’-diacetic acid) and EDTA (ethylenediamine-N,N’-tetraaceti

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5

Chang, Hyun-Shik. "Determination of oxidation mechanism of ethylenediaminetetraacetate (EDTA)-metal complexes by alkaline permanganate and structures of in situ formed manganese oxides containing heavy metals /." Thesis, Connect to this title online; UW restricted, 2007. http://hdl.handle.net/1773/10106.

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6

ROCCHICCIOLI, FABRICE. "Etude et modelisation de la stabilite des complexes lanthanides(iii)-l et americium(iii)-l (avec l = nta, edta et dtpa) en solutions aqueuses salines concentrees." Paris 11, 2000. http://www.theses.fr/2000PA112343.

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Les constantes de dissociation de nta, edta et dtpa en solutions aqueuses contenant nacl, naclo 4, licl et liclo 4 ont ete collectees dans la litterature. Ce jeu de valeurs a ete complete par la determination de ces constantes, a 25\c et par phmetrie, a haute force ionique. La variation de ces constante avec la force ionique et la nature du milieu utilise a ete etudiee en appliquant la theorie de l'interaction specifique (tis), la theorie de la parabole ainsi que le modele de pitzer. Les constantes de stabilite de certains complexe lanthanides(iii)-l et americium(iii)-l, (avec l = nta, edta et

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7

Sugiharto, Eko. "Complexation de l'ion vanadyle, vo**(2+) par des ligands polycoordinantes ouverts ou macrocycliques : analogies avec l'ion vo::(2)**(+)." Université Louis Pasteur (Strasbourg) (1971-2008), 1988. http://www.theses.fr/1988STR13100.

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8

Nagy, Péter. "Formation and Decomposition of Platinum–Thallium Bond, Kinetics and Mechanism. Structural Characterization of Some Metal Cyanides in the Solid State." Doctoral thesis, KTH, Chemistry, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3803.

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<p>The kinetic and mechanistic features of a new series ofplatinum-thallium cyano compounds containing a direct andunsupported by ligands metal-metal bond have been studied insolution, using standard mixandmeasurespectrophotometric technique and stoppedflow method.These reactions are interpreted as oxidative addition of the cspecies to the square planar Pt(CN)<sub>4</sub><sup>2-</sup>complex. Each of these processes was found to befirst-order in Pt(CN)<sub>4</sub><sup>2-</sup>, the corresponding TI<sup>III</sup>complex and a cyanide ion donating species whichacts as a catalyst. Both di- and

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9

Ongoue, Jean-Claude. "Les petites et moyennes entreprises autour des complexes industriels à Edea (Cameroun)." Bordeaux 1, 1994. http://www.theses.fr/1994BOR1A001.

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10

Duó, Daniele Avilez. "Determinação do potencial tóxico de cobre e níquel e seus complexos com EDTA frente à Daphnia similis." Universidade do Estado do Rio de Janeiro, 2010. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=2607.

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Quando se trata de efluentes muito complexos e de amostras de água ou de sedimento de locais poluídos, é inviável ou até mesmo impossível detectar a presença de todas as substâncias presentes. Os principais contaminantes associados à poluição das águas naturais, tem-se os metais pesados, uma classe de compostos de toxicidade elevada e que são bioacumulados nos seres vivos. Desses metais, o cobre e o níquel se destacam, tanto por seu amplo uso em processos industriais, o que acarreta sua presença em diversos tipos de despejos, quanto por sua toxicidade elevada. O objetivo deste trabalho foi det

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11

Sitton, Melissa. "Estudo polarografico de Fe(III) e Cu(II) em diversas matrizes utilizando eletrolito de suporte a base de citrato e EDTA." [s.n.], 2001. http://repositorio.unicamp.br/jspui/handle/REPOSIP/248492.

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Orientador : Luiz Manoel Aleixo<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Quimica<br>Made available in DSpace on 2018-08-01T09:54:29Z (GMT). No. of bitstreams: 1 Sitton_Melissa_M.pdf: 2643270 bytes, checksum: b27347bf8d5bfca4128f8cabb6697389 (MD5) Previous issue date: 2001<br>Mestrado

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12

Costa, Israel Ferreira da. "Complexos de íons lantanídeos com EDTA covalentemente ligados à superfície da quitosana: preparação e sensibilização da luminescência por ligantes β-dicetonatos". Universidade Federal da Paraíba, 2014. http://tede.biblioteca.ufpb.br:8080/handle/tede/8198.

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Submitted by Maike Costa (maiksebas@gmail.com) on 2016-05-12T13:39:06Z No. of bitstreams: 1 arquivo total.pdf: 4547829 bytes, checksum: 58a1826ea6bc7873a0e890034fc46534 (MD5)<br>Made available in DSpace on 2016-05-12T13:39:06Z (GMT). No. of bitstreams: 1 arquivo total.pdf: 4547829 bytes, checksum: 58a1826ea6bc7873a0e890034fc46534 (MD5) Previous issue date: 2014-02-28<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPq<br>In this paper are reported the preparation, characterization and in

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13

Lobato, Maxwell Ferreira. "Caracteriza??o morfol?gica e microestrutural da perovskita BaCexPr1-xO3 sintetizada a partir do m?todo de complexa??o combinando EDTA/Citrato." Universidade Federal do Rio Grande do Norte, 2011. http://repositorio.ufrn.br:8080/jspui/handle/123456789/15806.

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Made available in DSpace on 2014-12-17T15:01:25Z (GMT). No. of bitstreams: 1 MaxwellF_DISSERT.pdf: 5002328 bytes, checksum: 0f37f8be5c901a29ea1ab20a58f7143c (MD5) Previous issue date: 2011-03-18<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>In this study, binary perovskite (BaCexO3) were doped with praseodymium (Pr) to obtainment of the ternary material BaCexPr1-xO3. This material was synthesized by the complexation method combining EDTA/Citrate with the stoichiometric ratio of the element Praseodymium ranging from x = 0.1 to x = 0.9 in order to determine the influence of

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14

Vital, Ang?lica Belchior. "S?ntese e caracteriza??o de rutenato de b?rio." Universidade Federal do Rio Grande do Norte, 2015. http://repositorio.ufrn.br/handle/123456789/20238.

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Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2016-04-15T19:53:06Z No. of bitstreams: 1 AngelicaBelchiorVital_DISSERT.pdf: 1925266 bytes, checksum: 0be77624e1435efb79973666de949fea (MD5)<br>Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2016-04-19T20:48:44Z (GMT) No. of bitstreams: 1 AngelicaBelchiorVital_DISSERT.pdf: 1925266 bytes, checksum: 0be77624e1435efb79973666de949fea (MD5)<br>Made available in DSpace on 2016-04-19T20:48:44Z (GMT). No. of bitstreams: 1 AngelicaBelchiorVital_DISSERT.pdf: 1925266 bytes, checksum: 0be77624e1435efb79

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15

Medeiros, Indira Aritana Fernandes de. "Obten??o de ferrita de cobalto atrav?s de dois m?todos de s?ntese: m?todo de complexa??o combinando EDTA/Citrato e m?todo hidrot?rmico." Universidade Federal do Rio Grande do Norte, 2013. http://repositorio.ufrn.br:8080/jspui/handle/123456789/15848.

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Made available in DSpace on 2014-12-17T15:01:34Z (GMT). No. of bitstreams: 1 IndiraAFM_DISSERT_Parcial.pdf: 1021016 bytes, checksum: 339ff82fc9edc8d5f827859010abd0dc (MD5) Previous issue date: 2013-12-17<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>In this work it was synthesized and characterized the cobalt ferrite (CoFe2O4) by two methods: complexation combining EDTA/Citrate and hydrothermal investigating the influence of the synthesis conditions on phase formation and on the crystallite size. The powders were mainly characterized by x-ray diffraction. In specific

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16

Bourbon, Gautier. "Etude mécanistique des réatiοns phοtο-induites par RΜΝ, cοuplée à l'illuminatiοn in situ". Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMR068.

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Les recherches présentées dans ce manuscrit de thèse se divisent en deux parties. Dans la première partie, nous avons étudié la dégradation photocatalysée du N-méthoxy-N-(triméthylsilylméthyl)benzaldéhyde en présence de rose bengale dans l’acétonitrile. Les expériences de RMN 1D, la RMN 1H photo-CIDNP, ainsi que les analyses 2D 1H-13C HSQC et HMBC, combinées à une illumination in situ et ex situ, ont permis d'élucider la structure de plusieurs intermédiaires et produits formés durant cette réaction. L'illumination ex situ, réalisée à l'aide d'un système de flux continu, a été particulièrement

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17

Ahmad, Shah Masood. "Filling the Structure-Reactivity Gap: in silico approaches to rationalize the design of molecular catalysts." Doctoral thesis, Università degli studi di Padova, 2019. http://hdl.handle.net/11577/3422346.

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The design of molecular catalysts is an ambitious task implying the fundamental issue of relating the molecular structure to the reactivity, i.e., to the catalytic activity. The rationalization of the experimental data is often not straightforward and mechanistic schemes are not transferrable when the conditions of the process are changed or the catalyst is modified even slightly. Computer-aided investigations proved to be a more and more valid support in the last decade, but in most of the cases the aim is limited to investigate in detail the catalytic mechanism of a specific reaction and no

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18

Yueh-Ju, Wang, and 王月汝. "Preparation, Thermodynamic and Relaxometry Studies of Metal Complexes of DTPA and EDTA derivaties." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/97712171267772355003.

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碩士<br>高雄醫學院<br>藥學研究所<br>87<br>Two bis(N,N-dialkylamide) derivatives of DTPA (diethylene triamine-N,N,N￠,N2,N2-pentaacetic acid], DTPA-BDMA = the bis (N,N-dimethylamide) and DTPA-BDEA = the bis (N,N-diethylamide), one dis(amide) derivatives of DTPA (diethylene triamine-N,N,N￠,N2,N2-pentaacetic acid], DTPA-BAA = the bis(adamataamide) and two bis (amide) derivatives of EDTA (ethylenediamine-N,N￠-tetraacetic acid), EDTA-BIPA = the bis (iso-propylamide) and EDTA-BTBA = the bis (tert-butylamide) were synthesized. Their protonation constants were determined by potentiometic titration with 0.10 mol dm

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19

Lin, Su-Tin, and 林淑亭. "Preparation,Thermodynamic and Retaxometry Studies of Metal Complexes of DTPA-bis(amide) and EDTA-bis(amide)." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/36828046334458194344.

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碩士<br>高雄醫學院<br>藥學研究所<br>85<br>Two linear bis(amide) derivaties of DTPA-(diethylenetriamine- N,N,N',N",N"- pentaacetic acid),DTPA-BMOBA(diethylenetriamine-N, N',N"-triacetic-N,N"-bis(N-2-methoxybenzylamide)) and DTPA- BMOPEA(diethylenetriamine-N,N',N"-triacetic-N,N"-bis(N-2- methoxyphenethylamide)) and two linear bis(amide) derivaties of EDTA(ethylenediamine-N,N'-diacetic acid), EDTA-BMOBA( ethylenediamine-N,N'-diacetic-N,N'-bis(N-2-methoxybenzylamide)) and EDTA-BTBA(ethylenediamine-N,N'-dia

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20

Lin, Shu-Ting, and 林淑亭. "Preparation,Thermodynamic and Retaxometry Studies of Metal Complexes of DTPA-bis(amide) and EDTA-bis(amide)." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/93246243424975678550.

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21

Cheng, Tsann-Hwang, and 鄭粲煌. "Preparation, Thermodynamic and Relaxometry Studies of Metal Complexes of PL-DTPA, DTPA-bis(amide) and EDTA-bis(amide)." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/02981006072208513342.

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碩士<br>高雄醫學院<br>藥學研究所<br>84<br>Chapter 1. PL-Mn+-DTPA 金屬錯合物之合成及特性研究本報告研究polylysine(PL)-Mn+-DTPA(diethylenetriaminepentaacetic acid)( Mn+ =Gd3+, Mn2+ 及Fe3+)的合成及特性,分別改變pH值,溫度,分子量及金屬濃度百分比,觀察其對弛緩率(relaxivity, R1及R2)之效應. 比較Gd- DTPA鍵結巨大分子PL與小分子Gd-DTPA之弛緩率,發現弛緩率增加3-4倍,乃由於轉動相關時間(rotation correlation time)增加故弛緩率隨之增加; 在pH效應方面,當pH值增加弛緩率隨之增加,原因為polylysine之構形由 random coil轉移成 -helix,轉動(tumbling)時間增加所致,至於在作反滴定時其R1值較正滴定減少大約10%,可能是PL產生二級結構(second order structure)所致. 另外

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22

Shih, Hsiu-Ling, and 石秀玲. "Synthesis of NB-TTDA, EDTA-bis(amide) and 1,4-DO2A, the stabilities of their complexes with Gd(III), Mn(II), Ca(II), Zn(II) and Cu(II) and relaxometric studies of Gd(III) and Mn(II) chelates." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/79154034511216311364.

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碩士<br>高雄醫學大學<br>藥學研究所<br>89<br>The linear ligand of NB-TTDA (p-nitrobenzyl-N,N'-diethylene-N,N'- trimethylenetriamine-N,N, N', N'', N''-pentaacetic acid), four bis(amide) derivatives of EDTA(ethylenediamine-N,N'-tetraacetic acid), EDTA-BDEA(ethylenediamine-N,N'- diacetic-N,N'-bis(diethylamide)), EDTA-BCPA(ethylenediamine-N,N'-diacetic-N,N'-bis(cyclopentylamide)), EDTA- BMOBA (ethylene-diamine-N,N'-diacetic-N,N'-bis(2-methoxybenzylamide)), EDTA-BBA(ethylenediamine-N,N'-diacetic- N,N'-bis- (benzylamide)) and macrocyclic ligand of 1,4-DO2A(1,4,7,10-tetraaza- cyclododecane-1,4-diacetatic acid) wer

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23

Ghosh, Sampa. "Quadratic Optical Nonlinearity And Geometry Of 1:1 Electron Donor Acceptor Complexes In Solution." Thesis, 2008. https://etd.iisc.ac.in/handle/2005/711.

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The knowledge of geometry of molecular complexes formed via molecular association in solution through weak interactions is always important to understand the origin of stability and function of an array of molecules, supramolecular assemblies, and macromolecular networks. Simple 1:1 molecular complexes are very useful in this regard as they provide a model to understand both the nature of these interactions and their structural implications. Several weak noncovalent forces from long range (van der Waal’s, electrostatic, induction, dispersion) to short range (charge transfer) govern the geometr

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24

Ghosh, Sampa. "Quadratic Optical Nonlinearity And Geometry Of 1:1 Electron Donor Acceptor Complexes In Solution." Thesis, 2008. http://hdl.handle.net/2005/711.

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The knowledge of geometry of molecular complexes formed via molecular association in solution through weak interactions is always important to understand the origin of stability and function of an array of molecules, supramolecular assemblies, and macromolecular networks. Simple 1:1 molecular complexes are very useful in this regard as they provide a model to understand both the nature of these interactions and their structural implications. Several weak noncovalent forces from long range (van der Waal’s, electrostatic, induction, dispersion) to short range (charge transfer) govern the geometr

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25

Li, JUN. "A SENSOR-BASED APPROACH TO MONITORING WEB SERVICE." Thesis, 2008. http://hdl.handle.net/1974/1581.

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As the use of Web expands, Web Service is gradually becoming the basic system infrastructure. However, as it matures and a large number of Web Service becomes available, the focus will shift from service development to service management. One key component in management systems is monitoring. The growing complexity of Web Service platforms and their dynamically varying workloads make manually monitoring them a demanding task. Therefore monitoring tools are required to support the management efforts. Our approach, Web Service Monitoring System (WSMS), utilizes Autonomic Computing technology to

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