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Дисертації з теми "Fluorides"

Автор: Grafiati

Опубліковано: 4 червня 2021

Оновлено: 25 липня 2025

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1

Herrero, Alvarez Natalia. "Tuning the sulfonyl fluoride warhead towards new proteasome inhibitors : alpha-substituted sulfonyl fluorides and vinyl sulfonyl fluorides." Thesis, University of Glasgow, 2017. http://theses.gla.ac.uk/8550/.

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Sulfonyl fluorides have recently been described as “privileged warheads” in chemical biology due to the right balance of reactivity and stability that these electrophiles possess. Peptido sulfonyl fluorides (β-PSFs) have shown to be particularly potent as proteasome inhibitors in recent years. Tuning the reactivity of the sulfonyl fluoride electrophilic trap may be crucial for modulating its biological action. The first part of this thesis describes the design and synthesis of peptido sulfonyl fluoride derivatives containing a substituent on the alpha position with respect to the sulfonyl fluo

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2

Aldous, David W. "Solvothermal chemistry of early transition metal fluorides /." St Andrews, 2008. http://hdl.handle.net/10023/578.

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3

Harbrow, Douglas John. "The effect of chronic fluoride administration on cartilage of the temporomandibular joint in the growing rat /." [St. Lucia, Qld.], 2001. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16898.pdf.

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4

Hoppenbrouwers, Petrus Michiel Maria. "Root caries and the inhibiting effect of fluoride." [S.l. : s.n.], 1990. http://catalog.hathitrust.org/api/volumes/oclc/22995610.html.

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5

Castiglione, Michael. "Computer simulation of superionic fluorides." Thesis, University of Oxford, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365812.

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6

McGrady, Gerard Sean. "Studies of some reactive molecular fluorides." Thesis, University of Oxford, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.258156.

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7

Jayasundera, Anil. "Solvothermal chemistry of luminescent lanthanide fluorides." Thesis, University of St Andrews, 2009. http://hdl.handle.net/10023/2125.

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Exploration of novel lanthanide fluoride framework materials in inorganic-organic hybrid systems under solvothermal conditions towards development of new luminescent materials is discussed. X-ray single crystal and powder diffraction methods have been used as crystallographic characterisation techniques. Determination and study of luminescence properties for selected hybrid materials has also been carried out. The first organically templated luminescent lanthanide fluoride framework, [C₂N₂H₁₀]₀.₅ [Ln₂F₇] (Ln= Nd, Tb, Dy, Ho, Er, Yb and Lu), has been synthesised and characterised. This structur

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8

Subrahmanyan, Usha. "Fluorides And Root Surface Dental Caries." Thesis, Faculty of Dentistry, 1988. http://hdl.handle.net/2123/5028.

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9

Al-Mukhtar, Mohammad Nazar. "Inorganic fluorine chemistry : low-temperature fluorination of the main group elements and some metal fluorides." Thesis, University of Leicester, 1990. http://hdl.handle.net/2381/35039.

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The U.V. and laser induced photolysis of noble-gas/fluorine mixtures have been studied at -196C. The U.V. photolysis of krypton/fluorine and xenon/fluorine mixtures for 12h gives approximately a 30% yield of KrF2 and XeF2 respectively. Whilst photolysis with an argon ion laser gives comparable yields after only 30 minutes. Two temperature dependent phases of KrF2 were observed. Laser photolysis of oxygen/fluorine mixtures at -196C gives O4F2 and O2F2 and of UF5/F2 mixtures gives UF6. The photolysis of noble-gas /fluorine mixtures with added Lewis acids were also examined. A 1:1:2 mixture of fl

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10

Stevens, Daryl Philip. "Uptake of fluorides by the plant root." Title page, contents and abstract only, 1996. http://web4.library.adelaide.edu.au/theses/09PH/09phs8442.pdf.

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Copies of author's previously published articles in pocket. Bibliography: leaves 203-219. Main objectives of the thesis are: i. to verify a sealed chamber acid digestion technique for dissolution of plant material for total F analysis by a F ion selective electrode.--ii. to improve this technique for routine, rapid F analysis of plant material.--iii. to identify the inorganic ionic species of F which could be present in the soil solution.--iv. to determine which of these species are taken up by the plant root and those which are toxic to the plant.

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11

Lou, Yali. "The effect of silver diammine fluoride on tooth tissue." Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B4381430X.

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12

BARBOSA, EDUARDO A. "Estudo da acao laser de matrizes de fluoretos (LiSrAlF sub (6), Lu:LiYF sub (4)) dopadas com Cr sup (3+) e Nd sup (3+)." reponame:Repositório Institucional do IPEN, 2001. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10922.

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13

Pointner, Bernard E. Schrobilgen Gary Lee John. "Syntheses and characterization of fluorides and oxide fluorides of xenon(II), xenon(IV), xenon(VI), and iodine(VII) /." *McMaster only, 2005.

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14

ESPIRITO, SANTO ANA M. do. "Sintese e purificacao de fluoretos para o crescimento de matrizes laser ativas: BaLifsub3 e LiSrAlFsub6." reponame:Repositório Institucional do IPEN, 1997. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10651.

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15

Rook, John. "Some studies of transition metal chalcogenide fluorides." Thesis, University of Leicester, 1987. http://hdl.handle.net/2381/33876.

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Attempts have been made to synthesise thio-fluoride species of tantalum, osmium and iridium. The reaction of tantalum thiotrichloride and tri- bromide with an excess of anhydrous HF yields [SH3]+ [Ta2F11]-. When anhydrous HF is added to a solution of TaSX3 (X =C1 or Br) in aceto- nitrile an oil is formed which contains =NH and ENH+. The thermal reactions of the hexafluorides of osmium and iridium with zinc and boron sulphides yield the adducts SF4.MF5 (M=Os or Ir). Infra-red and X-ray powder diffraction studies indicate that they have contributions to the bonding from the ionic formulations [S

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16

Black, Cameron. "Synthesis and characterisation of transition metal fluorides." Thesis, University of St Andrews, 2015. http://hdl.handle.net/10023/9652.

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This thesis reports exploratory studies on the synthesis of new vanadium and copper-containing compounds, with a particular emphasis on preparing new magnetically-active materials with S = ½ spin configurations. Eighteen crystal structures are reported, sixteen of which represent new compounds. These materials were studied for magnetic behaviour where appropriate. The sixteen vanadium-containing compounds were prepared using either the hydrothermal, Solvothermal or ionothermal synthesis methods at temperatures ranging from 60 °C to 200 °C. Inorganic cations and organic moieties were used as te

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17

Ross, G. R. "Antimony(V) chloride fluorides in liquid bromine." Thesis, University of Nottingham, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.384323.

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18

Badheka, Rita. "Novel routes to designer oxides and fluorides." Thesis, University of Surrey, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301375.

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19

Drathen, Christina. "Transition metal fluorides : from superconductors to multiferroics." Thesis, University of Edinburgh, 2013. http://hdl.handle.net/1842/6687.

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Transition metal fluorides represent an important family of complex solids displaying a variety of different properties and interesting phenomena. Despite their remarkable behaviour, these classes of materials have not received much attention and the rationalization of their behaviour is still lacking a systematic approach. This thesis aims to contribute to the field by examining previously unknown or understudied complex fluorides. The compounds were selected for their intriguing physical properties that range from superconductivity to multiferroism. The discovery of superconductivity in the

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20

Laurenson, James. "Allyl fluorides : new syntheses and enantioselective manipulations." Thesis, University of Strathclyde, 2011. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=16872.

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21

Blessley, George Richard. "Enantioselective synthesis and reactivity of benzylic fluorides." Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:72cd3684-a339-453c-a9e8-c976ff731a0e.

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Benzylic fluorides are attractive target molecules for medicinal chemistry, agrochemicals and materials chemistry. The enantioselective synthesis of benzylic fluorides is challenging and few general methods exist. This thesis describes several approaches to the synthesis of benzylic fluoride targets, including enantioselective processes. Chapter 1: Reviews the properties, uses and synthetic approaches to fluorinated molecules, with a particular focus on benzylic fluorides and enantioselective syntheses. Chapter 2: Describes the fluorination cyclisation of prochiral indole precursors. The use o

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22

Stepleton, Seth Eugene. "Synthesis of complex fluorides for optical applications." Connect to this title online, 2009. http://etd.lib.clemson.edu/documents/1252937384/.

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23

Hedberg, Andrew Robert. "The effects of fluorides on oral microorganisms." Master's thesis, Faculty of Dentistry, 1987. http://hdl.handle.net/2123/4786.

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This work was digitised and made available on open access by the University of Sydney, Faculty of Dentistry and Sydney eScholarship . It may only be used for the purposes of research and study. Where possible, the Faculty will try to notify the author of this work. If you have any inquiries or issues regarding this work being made available please contact the Sydney eScholarship Repository Coordinator - ses@library.usyd.edu.au

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24

SANTOS, IVANILDO A. dos. "Avaliação dos diagramas de fase do sistema LiF-GdF3-LuF3 utilizando termodinâmica computacional." reponame:Repositório Institucional do IPEN, 2012. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10174.

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25

VIDAL, AUGUSTO T. "Sintese e crescimento de cristais fluoretos dopados com terras raras: LiCAF:Er e BLF:TR (TR = Yb sup(3+), Ce sup(3+), Nd sup(3+))." reponame:Repositório Institucional do IPEN, 2001. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10970.

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26

ETT, GERHARD. "Estudo eletroquimico da co-reducao de KBFsub4 e Ksub2 TIFsub6 em meio de uma mistura eutetica de LiF-NaF-KF para a obtencao do diboreto de titanio [TIB sub 2]." reponame:Repositório Institucional do IPEN, 1999. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10772.

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27

Aldous, David W. "The solvothermal synthesis of early transition metal fluorides." Thesis, University of St Andrews, 2008. http://hdl.handle.net/10023/578.

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In this thesis, 60 crystal structures which have been synthesised by the solvothermal method are reported, with 57 of them representing novel materials. The remaining three materials have previously been reported but have been made by a new and milder method of synthesis. Ti, Zr, Hf, V, Nb, Ta and Mo have all been used to make fluoride or oxyfluoride materials at temperatures ranging from 60C to 200C. Both inorganic and organic moieties ("templates") have been used to direct the formation of the (oxy)fluoride materials, usually as an anionic species. These materials have then been studied for

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28

CHARBEL, MARIA Y. "Estudo para a remocao de fluoreto em aguas e efluentes." reponame:Repositório Institucional do IPEN, 1990. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10235.

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29

Holgate, Sharon Ann. "Luminescence studies of fluorides, glasses and zinc sulphide." Thesis, University of Sussex, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321469.

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30

Savoie, Paul R. "Preparation, chemistry, and characterization of hypervalent organosulfur fluorides." Thesis, State University of New York at Albany, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=3739734.

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<p> Since the discovery of the pentafluorosulfanyl (SF<sub>5</sub>) group around the 1960s, progress in exploring the chemistry of aliphatic SF<sub> 5</sub>-containing compounds stagnated because of a lack of efficient synthetic methods. More recent developments in the preparations of SF<sub>5</sub>-containing compounds afforded easier access to these compounds, and sparked great interest in exploring their chemistry. Chapter 1 discusses the development of efficient methods used to prepare SF<sub>5</sub>-containing aliphatic compounds. </p><p> This dissertation investigates the combination o

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31

Tomar, Pooja. "N-heterocyclic carbene derivatives for the activation of sulfur fluorides." Doctoral thesis, Humboldt-Universität zu Berlin, 2021. http://dx.doi.org/10.18452/22932.

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Die metallfreie Aktivierung des Treibhasgases SF6 unter Verwendung von elektronenreichen N-heterocyclischen Carbenen (NHCs) resultierte in der Bildung des jeweiligen 2,2- Difluorimidazolins und Imidazolin-2-thions bzw. 2,2-Difluorimidazolidins und Imidazolidin-2-thions. Die Reduktion der NHCs mit SF4 liefert dieselben Produkte. Im Abbau von SF5CF3 mit NHCs werden ebenfalls die zuvor genannten Produkte erhalten, wobei zusätzlich das entsprechende 2-Fluor-2-trifluormethylderivat gebildet wird. Exemplarisch wurde 1,3-Dimesityl-2,2-difluorimidazolidin [SIMes(F)2] als Fluorierungsreagenz von Aldeh

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32

Al-Azzawi, Mohanad A. "Synthesis and Characterization of Single Crystalline Metal Nitride Fluorides." Youngstown State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1471889002.

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33

Reisinger, Sandra A. "Synthesis and structure-property relationships in selected metal fluorides." Thesis, University of St Andrews, 2012. http://hdl.handle.net/10023/2030.

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There has been an increase in the interest in fluoride materials over the last decade. This interest has focused on multiferroic materials and kagome lattices, to name but a few areas. This thesis focuses on the synthesis and crystallographic characterisation of selected transition metal fluorides and oxyfluorides. Work is presented on the tetragonal tungsten bronze solid solutions of KₓFeF₃, where x = 0.58 and x ≈ 0.5, and the copper analogue, K₃Cu₃Fe₂F₁₅; the kagome structure of Cs₂ZrCu₃F₁₂; and hydrothermal reactions using vanadium, manganese, or molybdenum as the transition metals in the f

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34

NAKAMURA, GERSON H. de G. "Análise térmica e equilíbrios de fase no sistema BaFsub(2)-YFsub(3)." reponame:Repositório Institucional do IPEN, 2008. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11678.

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35

ROSA, LUIZ A. R. da. "Termoluminescencia do LiF: Mg, Ti entre 66 e 315 K." reponame:Repositório Institucional do IPEN, 1989. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10259.

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36

Lou, Yali, and 娄雅俐. "The effect of silver diammine fluoride on tooth tissue." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B4381430X.

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37

Philavanh, Baysyka. "Use of fluorides for the prevention and control of dental caries of cementum and dentine of the root." Thesis, Faculty of Dentistry, 1993. http://hdl.handle.net/2123/4304.

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38

Shi, Hongting. "Defect structure and optical properties of alkaline earth fluorides." Doctoral thesis, [S.l.] : [s.n.], 2007. http://deposit.ddb.de/cgi-bin/dokserv?idn=984572015.

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39

Lee, Lai-Mei. "Electrodeposition studies of boron and carbon in molten fluorides." Thesis, Imperial College London, 2001. http://hdl.handle.net/10044/1/7674.

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40

Ince, S. J. "Rapid assembly of oligosaccharides : reactivity tuning of glycosyl fluorides." Thesis, University of Cambridge, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.604926.

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Chapter 1 comprises a general introduction to the field of chemical carbohydrate synthesis. The work since 1984 that has had a profound influence on the development of 1,2-diacetal mediated reactivity tuning is summarised. Chapter 2 examines the applicability of 1,2-diacetal mediated reactivity tuning to oligosaccharides assembly. In particular, the use of the butanediacetal protecting group (BDA) to tune the reactivity of glycosyl fluorides is disclosed. The application of this methodology enabled the first one-pot assembly of a linear pentasaccharide from monosaccharide building blocks. Chap

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41

Stanger, Gillian. "Preparation and characterisation of the platinum group metal fluorides." Thesis, University of Leicester, 1988. http://hdl.handle.net/2381/33924.

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An extensive reveiw of the platinum group metal fluorides has been carried out and in the light of this, new preparative routes have been developed and characterisation has been significantly improved. The preparation of the platinum group metal fluorides in both static and dynamic systems is discussed in chapter two. The fluorinations of ruthenium, rhodium and platinum sponges in dynamic systems proved to be of greatest interest. In these studies large amounts of ruthenium hexafluoride and platinum hexafluoride were produced and traces of rhodium hexafluoride were noted, where as previously m

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42

Cox, Paul Andrew. "Theoretical and experimental studies of superionic mixed-metal fluorides." Thesis, Keele University, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.277151.

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43

Scalise, Valentina. "Mechanochemical Synthesis of low F-Doped Aluminium Hydroxide Fluorides." Doctoral thesis, Humboldt-Universität zu Berlin, 2019. http://dx.doi.org/10.18452/19684.

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Die Mechanochemie ist eine effekive und überzeugende Methode zur Herstellung von Alumniumhydroxidfluoriden (Al(OH)3-xFx) mit einem sehr geringen Fluorgehalt. Durch den Prozess des Mahlens werden strukturelle Defekte in den Kristalliten erzeugt, die zu einer zunehmenden Amorphisierung des Kristallsystems führen. Die partielle Fluorierung von Alumniumhydroxid während des Mahlprozesses führt dabei zu einer noch stärkeren Amorphisierung und zur Bildung von Alumniumhydroxyfluoriden. Eine wichtige Rolle bei der resultierenden Produktzusammensetzung spielt die Variation der Synthesebedingungen, wie d

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44

Motalane, Mpempe Paulus. "Analytical determination of fluorides in South African chemical gypsum." Thesis, Access to E-Thesis, 2004. http://upetd.up.ac.za/thesis/available/etd-04302005-100153/.

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45

Jin, Yi. "Metal fluorides as probes for enzyme catalysed phosphoryl transfer." Thesis, University of Sheffield, 2012. http://etheses.whiterose.ac.uk/2202/.

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The work described in this thesis is based on the use of multinuclear NMR and protein crystallography as two powerful and symbiotic biological structural tools to study the catalytic mechanisms of five phosphoryl transfer enzymes: β-phosphoglucomutase, phosphoserine phosphatase, cAMP-dependent protein kinase, small G protein RhoA- RhoGAP, and UMP/CMP kinase. The central feature is the use of magnesium and aluminium fluorides as transition state analogues for phosphoryl group transfer. β-Phosphoglucomutase is first examined using stable βG1P phosphonate analogues of which (S)-βCHFG1P and βCH2G1

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46

NAKAMURA, GERSON H. de G. "Análise térmica e diagramas de fase dos sistemas LiF-BiFsub(3) e NaF-BiFsub(3)." reponame:Repositório Institucional do IPEN, 2013. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10513.

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Made available in DSpace on 2014-10-09T12:41:22Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:06:16Z (GMT). No. of bitstreams: 0<br>Tese (Doutoramento)<br>IPEN/T<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP

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SAWADA, LIDIA. "Determinação da difusividade térmica de cristais de BaLiFsub(3) puro e dopado." reponame:Repositório Institucional do IPEN, 2000. http://repositorio.ipen.br:8080/xmlui/handle/123456789/9291.

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Made available in DSpace on 2014-10-09T12:25:47Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:03:34Z (GMT). No. of bitstreams: 1 11311.pdf: 4096901 bytes, checksum: db8eab8599a76e1dd1addc784a437a1a (MD5)<br>Dissertacao (Mestrado)<br>IPEN/D<br>Intituto de Pesquisas Energeticas e Nucleares, IPEN/CNEN-SP

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Boyles, Glenn A. "Effects of fluoride varnishes and adhesives on bond strength and preventing enamel decalcification around orthodontic appliances an in vitro and in vivo study /." Morgantown, W. Va. : [West Virginia University Libraries], 2007. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=5028.

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Thesis (M.S.)--West Virginia University, 2007.<br>Title from document title page. Document formatted into pages; contains ix, 117 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 60-68).

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LIBRANTZ, ANDRE F. H. "Estudo comparativo da emissoes do Nd(3+) nas configuracoes 4fsup(2)5d e 4fsup(3) induzidas pela excitacao multifotonica em cristais de YLF, GLF, LLF." reponame:Repositório Institucional do IPEN, 2000. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10830.

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Made available in DSpace on 2014-10-09T12:44:29Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:07:22Z (GMT). No. of bitstreams: 1 07114.pdf: 5950239 bytes, checksum: a45c843d71dddc5fe0b565d5be615211 (MD5)<br>Dissertacao (Mestrado)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP

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ESPIRITO, SANTO ANA M. do. "Crescimento e caracterização de fibras monocristalinas de fluoretos do tipo LiYsub(1-x)TRsub(x)Fsub(4) (TR=terras raras)." reponame:Repositório Institucional do IPEN, 2005. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11350.

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Made available in DSpace on 2014-10-09T12:50:58Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:01:48Z (GMT). No. of bitstreams: 0<br>Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)<br>Tese (Doutoramento)<br>IPEN/T<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP<br>FAPESP:01/07337-3

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