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Dissertations / Theses on the topic 'DPPE'

Author: Grafiati

Published: 4 June 2021

Last updated: 2 February 2022

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1

Coat, Françoise. "Elaboration et proprietes de chaines de carbone inorganique stabilisees par les groupements terminaux (c#5me#5)(dppe)fe(ii) et (c#5me#5)(dppe)fe(iii)." Rennes 1, 1995. http://www.theses.fr/1995REN10141.

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Ce memoire de these presente la synthese et la caracterisation de nouveaux complexes homobinucleaires du fer de type donneur-accepteur en serie fe(c5me5)(dppe) et fe(c5me5)(co)2 a chaine -butadiynediyle fe(c5me5)(dppe)-( -cc cc)-fe(c5me5)(co)2n+ (n = 0, 1) ainsi que celles de complexes bimetalliques symetriques du fer en serie fe(c5me5)(dppe) a ligand pontant -octatetraynediyle fe(c5me5)(dppe)2-(-cccccccc)n+ (n = 0, 1, 2). Deux nouveaux complexes cumuleniques mono- et binucleaires fe(c5me5)(dppe)(=c=c=c(ome)me)bph4 et fe(c5me5)(dppe)-(=c=c=c=ch)-fe(c5me5)(co)2bf4 ont ete prepares avec de bons

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2

LE, STANG SYLVIE. "Nouveaux composes modeles pour l'electronique moleculaire en serie cp*fe(dppe)-c 2-x-c 2-fe(dppe)cp* n + (n = 0 2, x = heterocycles aromatiques)." Rennes 1, 2000. http://www.theses.fr/2000REN10038.

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Ce manuscrit decrit la synthese et l'etude de nouveaux complexes mono- et bi-nucleaires en serie cp*fe(dppe). Les sites metalliques electroactifs portent des ligands mono- et bis-ethynylheteroaromatiques a travers lesquels peut s'etablir une communication electronique et/ou magnetique. Ces nouvelles molecules de dimension nanoscopique constituent des composes modeles pour l'electronique moleculaire. La reaction de sonogashira a permis d'acceder aux trois complexes cp*fe(dppe)-cc-c 5h 4n 4 a partir du compose cp*fe(dppe)-cc-h et des trois bromopyridines correspondantes. La complexation de ces m

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3

ROGER, CHRISTOPHE. "Complexes fer-methylene et fer methoxymethylene en serie fe (c#5me#5) (dppe) : activation par transfert d'electron et electrocatalyse." Rennes 1, 1989. http://www.theses.fr/1989REN10067.

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Etude structurale et reactivite de nouveaux complexes fer-carbene en serie fe(#5-c#5me#5)(#2-dppe), les composes methoxymethylene ou methylene sont prepares ou actives par transfert monoelectronique selon des processus inedits. En particulier la synthese du complexe |fe(#5-c#5me#5)(#2-dppe)(=coch#3)|#+pf#6# est realisee en trois etapes: transfert d'electron-deprotonation-transfert d'electron a partir du precurseur fe(#5-c#5me#5)(#2-ddpe)ch#2och#3. Les structures cristallographiques des composes fe(#5-c#5me#5)(#2-ddpe)cl, |fe(#5-c#5me#5)(#2-ddpe)(=cooch#3)|#+pf#6# et |fe(#5-c#5me#5)(#2-dppe)ch#

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4

LE, NARVOR NATHALIE. "COMPLEXES BINUCLEAIRES DU FER(II) ET DU FER(III) EN SERIE Fe(η⁵C⁵Me⁵)(η²dppe) A PONT BIS- ACETYLURE". Rennes 1, 1993. http://www.theses.fr/1993REN10087.

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Cette these presente la synthese, la caracterisation de nouveaux complexes bimetalliques du fer en serie pentamethylcyclopentadienyle dppe|fe(c#5me#5)(dppe)|, a ligand pontant bis-acetylure:|fe(c#5me#5)(dppe)#2-(cc(x)#m-cc)|#n#+ (n=0, 1, 2; x=ch#2 ou c#6h#4, m=0, 1, 4). L'acces aux complexes precurseurs vinylidene mono ou binucleaires |fe(c#5me#5)(dppe)(c=chr)||pf#6| a ete possible par activation d'acetyleniques vrais par le fe(c#5me#5)(dppe)cl. Ces complexes permettent l'acces avec de tres bons rendements aux complexes de fer(ii) de formule generale fe(c#5me#5)(dppe)(cr) qu'il n'est pas possi

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5

Dearman, Brian. "Synthesis and characterization of [(C₅R₅)M(CO)₂(L₂)+:R=H, Me, and Ph; M=Cr and Mo; L₂=dmpe and dppe." Huntington, WV : [Marshall University Libraries], 2002. http://www.marshall.edu/etd/descript.asp?ref=125.

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6

Naves, Marina Araújo. "Avaliação dos efeitos antitumorais do complexo de rutênio [Ru(GA)(dppe)2]PF6 em células não-tumorais e tumorais de mama cultivadas in vitro." Universidade Federal de São Carlos, 2017. https://repositorio.ufscar.br/handle/ufscar/9100.

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Submitted by Alison Vanceto (alison-vanceto@hotmail.com) on 2017-09-06T12:46:35Z No. of bitstreams: 1 DissMAN.pdf: 2589036 bytes, checksum: 82bbd3895f9a5e39df35028736c8e29d (MD5)<br>Approved for entry into archive by Ronildo Prado (ronisp@ufscar.br) on 2017-09-20T21:33:25Z (GMT) No. of bitstreams: 1 DissMAN.pdf: 2589036 bytes, checksum: 82bbd3895f9a5e39df35028736c8e29d (MD5)<br>Approved for entry into archive by Ronildo Prado (ronisp@ufscar.br) on 2017-09-20T21:33:36Z (GMT) No. of bitstreams: 1 DissMAN.pdf: 2589036 bytes, checksum: 82bbd3895f9a5e39df35028736c8e29d (MD5)<br>Made available i

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7

Villa, Michele. "Sintesi, caratterizzazione e reattività di cluster carbonilici di Pt contenenti fosfine." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amslaurea.unibo.it/16108/.

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Nel corso di questa tesi sono state studiate le reazioni di cluster carbonilici anionici di platino con fosfine. In particolare, sono state investigate nel dettaglio le reazioni del cluster [Pt19(CO)22]4- con diverse tipologie di fosfine. Mediante aggiunte successive di fosfine e monitorando tramite spettroscopia IR si può osservare la formazione di diverse specie quali [Pt19(CO)22-x(PPh3)x]4- (x=1-4), [Pt19(CO)22-x(PTA)x]4- (x=1-4; PTA = 1,3,5-triaza-7-fosfaadamantano), [Pt19(CO)22-2x(dppe)x]4- (x=1-2; dppe = Ph2PCH2CH2PPh2), in cui la fosfina sostituisce un numero equivalente di CO terminali

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8

MORVAN, MAHIAS VIRGINIE. "Synthese et proprietes de complexes organofer binucleaires a pont polyenique en serie cp*fe(dppe) et cp*fe(co)(pme#3) possedant zero, un ou deux electrons celibataires." Rennes 1, 1997. http://www.theses.fr/1997REN10066.

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Ce memoire de these decrit la synthese et l'etude de complexes bimetalliques bicationiques et a valence mixte a pont conjugue polyenique en serie cp*fe(co)(pme#3) et cp*fe(dppe). Les complexes vinyliques de fer(iii) fe(c#5me#5)(l1)(l2)(c(och#3)(=ch#2))#+ (l1, l2=dppe ; l1 = co, l2 = pr#3, r = me, ph) sont suffisamment stables a -80c pour pouvoir dupliquer en phase solide et ainsi former les complexes a pont -biscarbene fe(c#5me#5)(l1)(l2)#2(=c(och#3)-(ch#2)#2-c(och#3)=)pf#6#2 et le complexe a pont -bisalkylidene fe(c#5me#5)(dppe)#2(-=ch-(ch#2)#2-ch=)pf#6#2. Les complexes a pont conjugue dimeth

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9

GUILLEVIC, MARIE-ANDREE. "Synthons organofer mononucleaires a ligands fonctionnels en serie pentaphenylcyclopentadienyle. Synthese et proprietes des complexes bimetalliques de type donneur accepteur (c#5ph#5)(co)#2fe-cc-cc-fe(dppe)(c#5me#5)#n#+, npf#6 (n = 0, 1)." Rennes 1, 1995. http://www.theses.fr/1995REN10127.

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Cette these presente la synthese et la caracterisation de nouveaux complexes monomeres du fer en serie pentaphenylcyclopentadienyle (c#5ph#5)fe(co)(l), (l = co, pme#3) et de complexes homobimetalliques du fer en serie pentaphenyl- et pentamethyl- cyclopentadienyle a ligands pontants bis-acetylure. Les complexes alkyle fonctionnels, obtenus par addition nucleophile sur le complexe carbenique (c#5ph#5)fe(co)(pme#3)(=chome)pf#62, presentent un centre metallique stereogenique, et un atome de carbone c# chiral. Ces complexes sont isoles avec une bonne diastereoselectivite (85/15). Les composes fonc

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10

Ergun, Seza. "Structural And Functional Investigation Of The Interaction Of Agomelatine With Model Membranes." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614997/index.pdf.

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Depression is one of the most commonly seen psychiatric diseases in the population in recent years. Treatment of depression is mainly carried out by psychiatric drugs. In the past few years, agomelatine which is released to the market with a trade name, Valdoxane, has been thought to have far less side effects due to its non-addictive nature, not having trouble when the drug is quitted, and also due to its property of binding only to the specific receptor that the drug interacts with. The action mechanism of agomelatine on the membrane structure has not been clarified yet, for instance, no stu

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11

Delost, Michael D. "Synthesis of Amine Derivatives from a “One-Pot” Synthesis of Biphenyl-4-methylazide." Youngstown State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1442407733.

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12

Zbořilová, Hana. "Studium membránových vlastností liposomálních systémů pomocí fluorescenční spektroskopie." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2021. http://www.nusl.cz/ntk/nusl-449373.

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The presented diploma thesis is focused on the preparation, characterization and study of membrane properties of liposomal systems which were composed of the neutral phosphatidylcholine (DPPC), cholesterol, negatively charged phosphatidylglycerol (DPPG), polyethylenglycol bounded to phosphatidylethanolamine (PEG5000–PE) and polycation N,N,N-trimethylchitosan (TMC). The influence of individual components and their concentrations on the average particle size, zeta potential and changes in the outer and inner part of the bilayer was investigated. In this matter, methods of dynamic and electrophor

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13

Chi, Danny T., and Nien-Lou Li. "DPPM Optical Communications and Reed-Solomon Codes." International Foundation for Telemetering, 1992. http://hdl.handle.net/10150/608918.

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International Telemetering Conference Proceedings / October 26-29, 1992 / Town and Country Hotel and Convention Center, San Diego, California<br>Pulse position modulation (PPM) has many attractions for optical communication over deep space and for intersatellite communications. This paper describes a variate of PPM, known as differential pulse position modulation (DPPM) which can double the data throughput relative to PPM. We begin this paper with a survey of various laser sources and laser modulation techniques used in modem space optical communications. We then discuss the advantages of

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14

López-Amaya, Clara Inés. "Interaction of Candida rugosa lipase with DPPC liposomes." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/nq27441.pdf.

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15

Kell, Henny. "Wechselwirkung des Lipoheptapeptides Surfactin mit Lipiddoppelschichten aus DMPC und DPPC." [S.l.] : [s.n.], 2006. http://opus.kobv.de/tuberlin/volltexte/2007/1463.

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16

Cigánek, Martin. "Syntéza a studium nových derivátů diketopyrrolopyrrolů (DPPs) pro organickou elektroniku." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2017. http://www.nusl.cz/ntk/nusl-316170.

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This diploma thesis describes organic pigments of diketopyrrolopyrroles (DDPs) possessing properties applicable in attractive and perspective areas of organic electronics and photonics. The modification of the DPP skeleton was performed by nucleophilic substitution by various alkyl chains and 5 series of DPP derivatives were prepared. The regioselectivity of N-alkylation and also the photophysical properties of the prepared derivatives were studied. A key product of this work is the N,N'-ethyladamantyl derivative of DPP, which exhibited ambipolar characteristic with excellent electron mobility

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17

Silva, Mauro Marcos da. "Estudo da composição Química do óleo essencial de Lippia microphylla CHAM em três anos diferentes e atividade antioxidante." Universidade Federal de Roraima, 2014. http://www.bdtd.ufrr.br/tde_busca/arquivo.php?codArquivo=249.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>O estado de Roraima é dividido em três grandes sistemas ecológicos: floresta, campinas-campinarana e savanas ou cerrados e está localizado no extremo norte da Amazônia brasileira. Apesar da grande variedade de plantas existem poucas informações sobre plantas aromáticas da região. Lippia microphylla Cham., pertence à família Verbenaceae e ao gênero Lippia, e conhecida popularmente em Roraima como salva do campo, sendo encontrada nos lavrados roraimenses. Esta planta pode ser encontrada com facilidade ao longo da BR 174 que liga Boa

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18

Morton, Colin J. H. "Novel derivatives of DPP and related heterocycles." Thesis, University of St Andrews, 1999. http://hdl.handle.net/10023/15291.

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This thesis discusses the synthesis of new organic, heterocyclic materials for potential application as pigments. Chapter 1 comprises an introduction to the field of pigment and dye chemistry, discussing the rudimentary elements of colour theory, before advancing to a review of the pertinent literature regarding high performance organic pigments. In particular, the development of 1,4-diketopyrrolo[3,4-c]pyrrole (DPP) pigments is described and the central objective of synthesising alkenyl-DPPs is outlined. Chapters 2 and 3 describe synthetic efforts towards alkenyl-DPPs, employing retro Diels-A

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19

Ponsot, Flavien. "Hybrides bactériochlorine-dicétopyrrolopyrrole (DPP) : Nouveaux fluorophores proche infrarouge pour des applications en biodétection/bioimagerie." Thesis, Bourgogne Franche-Comté, 2020. https://nuxeo.u-bourgogne.fr/nuxeo/site/esupversions/1fa27cab-663e-4192-be47-cd34a712a1cd.

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Les fluorophores organiques absorbant et émettant dans le proche infrarouge (700-900 nm, première fenêtre thérapeutique NIR-I) sont des outils de choix pour une application en bioimagerie. En effet, l'absorption, la diffusion et l'autofluorescence de constituants du milieu biologiques sont limitées dans cette région spectrale, rendant les tissus relativement transparents à ces longueurs d'onde. Les bactériochlorines sont des dérivés de porphyrines dont deux doubles liaisons sont réduites. Ces molécules présentent une forte absorption et une émission dans le NIR-I. Les DPP sont des fluorophores

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20

da, Cunha Amaral Lima Danielle. "Estudo comparativo da atividade antioxidante de plantas medicinais da caatinga utilizadas como antiinflamatórias." Universidade Federal de Pernambuco, 2011. https://repositorio.ufpe.br/handle/123456789/3324.

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Made available in DSpace on 2014-06-12T16:30:16Z (GMT). No. of bitstreams: 2 arquivo2758_1.pdf: 877607 bytes, checksum: 307ea2159d2a3bd8df068f531d04a4d8 (MD5) license.txt: 1748 bytes, checksum: 8a4605be74aa9ea9d79846c1fba20a33 (MD5) Previous issue date: 2011<br>Plantas com atividade antioxidante podem estar envolvidas no tratamento e/ou prevenção de diversas enfermidades, em especial as que envolvem processos inflamatórios. Foram selecionadas vinte espécies de plantas utilizadas para tratar inflamação pela comunidade de Carão, localizada em Altinho-PE, e dezenove espécies de forma aleatór

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21

Tran, Tinh Vi. "The hydrolysis rate of fluorescent dipeptides by dipeptidyl peptidase I (DPPI)." Thesis, Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/10132.

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22

Zander, Thomas [Verfasser], and Andreas [Akademischer Betreuer] Schreyer. "The interaction of DPPC and hyaluronan / Thomas Zander ; Betreuer: Andreas Schreyer." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2016. http://d-nb.info/1116604590/34.

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23

Derrat, Hanan S. "Organic and metal organic cationic DNA intercalators based on DPPZ analogues." Thesis, University of Sheffield, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.574605.

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New metal complex derivatives of tppz containing cationic "diquat" sites have been synthesized and characterized. Their interaction with DNA has also been explored .. Water-soluble organic cationic derivatives of the dppz ligand with a variety of functional groups and number of aromatic rings in the phenazine region have also been synthesised and characterized. These systems were synthesized with the aim of modulating the energy of the internal charge transfer excited state of the parent cation. The interactions of the new organic diquaterary salts of dppz with ON A have been studied. Metal co

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24

Dyer, Joanne. "Designing infrared probes of DNA based on rhenium tricarbonyl DPPZ complexes." Thesis, University of Nottingham, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.289455.

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Zander, Thomas Verfasser], and Andreas [Akademischer Betreuer] [Schreyer. "The interaction of DPPC and hyaluronan / Thomas Zander ; Betreuer: Andreas Schreyer." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2016. http://nbn-resolving.de/urn:nbn:de:gbv:18-80661.

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26

Pantazis, Periklis. "Role of endocytic trafficking during Dpp gradient formation." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2004. http://nbn-resolving.de/urn:nbn:de:swb:14-1106665288062-25959.

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Morphogens are secreted signalling molecules that are expressed in restricted groups of cells within the developing tissue. From there, they are secreted and travel throughout the target field and form concentration gradients. These concentration profiles endow receiving cells with positional information. A number of experiments in Drosophila demonstrated that the morphogen Decapentaplegic (Dpp) forms activity gradients by inducing the expression of several target genes above distinct concentration thresholds at different distances from the source. This way, Dpp contributes to developmental fa

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Pantazis, Periklis. "Role of endocytic trafficking during Dpp gradient formation." [S.l. : s.n.], 2005. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB11611845.

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28

Mamza, Jil Billy. "Comparative effectiveness and safety of DPP-4 inhibitors." Thesis, University of Nottingham, 2016. http://eprints.nottingham.ac.uk/33202/.

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Approximately 3 million people throughout the UK suffer with Type 2 diabetes mellitus (T2DM), and are 32% more likely to die early. There remains a lack of evidence for the long-term effectiveness and safety of anti-diabetic drugs in preventing diabetes-related complications, making it unclear how to optimally manage diabetes. Work to date includes observational studies subject to bias, and randomised controlled trials (RCTs), which may not reflect the ‘real world’ situation. The aim of this thesis is to combine such findings via systematic reviews, meta-analyses and retrospective cohort studi

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29

Sandrino, Bianca. "Estudo do complexo mer-[RuCl3(dppb)(VPy)]: síntese, caracterização e potenciais aplicações." UNIVERSIDADE ESTADUAL DE PONTA GROSSA, 2010. http://tede2.uepg.br/jspui/handle/prefix/2086.

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Made available in DSpace on 2017-07-24T19:38:03Z (GMT). No. of bitstreams: 1 Bianca Sandrino.pdf: 3843951 bytes, checksum: 505fe1db6a6c07decee103402e3a2a3d (MD5) Previous issue date: 2010-03-05<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The synthesis of biphosphine complex, specifically containing the unit “[RuCln(dppb)]” (dppb = 1,4-bis(diphenylphosphino) butane), has attracted considerable interest due to applications in catalysis for hydrogenation of organic compounds and more recently in biological activities and modified electrodes due to its stability and promisi

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Monteiro, Vania Claudia Barros. "Avaliação do estresse oxidativo em humanos e em animais suplementados com ácidos graxos polinsaturados omega-3." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/9/9131/tde-29052007-092628/.

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Ácidos graxos polinsaturados Omega-3 (n-3 PUFA) tais como o ácido eicosapentaenóico (C20:5 n-3, EPA) e docosahexaenóico (C22:6 n-3, DHA) reduzem a concentração plasmática de triacilgliceróis em humanos. Entretanto, uma alta proporção desses ácidos graxos na dieta poderia favorecer a susceptibilidade das células à peroxidação, aumentando o risco de desenvolvimento de doenças cardiovasculares. Embora modelos animais não sejam recomendados para avaliar o efeito de n-3 PUFA nas lipoproteínas plasmáticas, estes têm sido amplamente utilizados como modelo para avaliação de dano oxidativo. Diferenças

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31

Calomeni, Andressa do Valle. "Utilização de película de amendoim para produção de pigmento natural em pó: estudo do efeito do processo de atomização na estabilidade, propriedades antioxidante e antimicrobiana do material." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/74/74132/tde-03022016-162446/.

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A película do amendoim apresenta coloração vermelha intensa e é rica em compostos fenólicos, todavia o extrato líquido é instável e de difícil comercialização. Os objetivos deste trabalho foram extrair os pigmentos da película do amendoim, estudar o processo de secagem por atomização deste extrato, caracterizar os pós obtidos, bem como sua propriedade antioxidante, antimicrobiana e estabilidade durante o armazenamento, sempre comparando com o controle. Quanto a caracterização do extrato líquido foi analisado fenólicos totais, pH, umidade, cinzas, proteínas, lipídeos, açúcares, aflatoxina e aci

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Souza, João Francisco Ventrici de. "Efeito de materiais particulados em sistemas modelos de biomembranas." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/59/59138/tde-13042012-144908/.

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Neste trabalho foram estudadas algumas propriedades de sistemas miméticos de tensoativos pulmonares (TP) constituídos de dipalmitoilfosfatidilcolina (DPPC) e DPPC/colesterol e suas interações com o material particulado (MP) proveniente da queima da palha da cana-de-açúcar, reconhecido por meio de estudos clínicos como agente agravador de diversas patologias respiratórias. O MP utilizado neste trabalho foi analisado por meio de uma série de técnicas: espalhamento dinâmico de luz (DLS), microscopia eletrônica de varredura acrescida do uso de análise de energia dispersiva de raios X (MEV e MEV-ED

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33

Růžička, Tomáš. "Tržní příležitosti pro moderní perorální antibiabetika a position nového přípravku." Master's thesis, Vysoká škola ekonomická v Praze, 2010. http://www.nusl.cz/ntk/nusl-77780.

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Diabetes Mellitus is a group of diseases, prevalence and incidence of which is on the rise not only in the Czech Republic, but also worldwide. This diploma work aims to analyze market situation and opportunities for modern oral anti-diabetic drugs. This work also designs suitable positioning for new OADs of Novartis -- Galvus and Eucreas.

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34

Zhang, Ting. "Studies of DPPA & LPS Monolayers on Aqueous Solutions by Surface Tensiometry and Brewster Angle Microscopy." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1417622850.

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35

Tai, Zhongtian. "Aircraft electrical power system diagnostics, prognostics and health management." Thesis, Cranfield University, 2009. http://dspace.lib.cranfield.ac.uk/handle/1826/9593.

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In recent years, the loads needing electrical power in military aircraft and civil jet keep increasing, this put huge pressure on the electrical power system (EPS). As EPS becomes more powerful and complex, its reliability and maintenance becomes difficult problems to designers, manufacturers and customers. To improve the mission reliability and reduce life cycle cost, the EPS needs health management. This thesis developed a set of generic health management methods for the EPS, which can monitor system status; diagnose faults/failures in component level correctly and predict impending faults/f

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Shen, Jie. "The role of Decapentaplegic (Dpp) in Drosophila wing development." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2004. http://nbn-resolving.de/urn:nbn:de:swb:14-1102321765343-79763.

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Decapentaplegic (Dpp), a member of the TGF-[Beta] superfamily, acts as a morphogen to direct cell differentiation, determine cell fate and promote cell survival and proliferation in Drosophila wing development. To investigate the role of Dpp in Drosophila wing development, three aspects of the patterning role of Dpp have been analyzed. First, I investigated the cellular responses to Dpp signaling by a loss of function strategy. The consequences of lacking Dpp signal transduction on cell morphology and tissue integrity were analyzed. Second, I investigated whether Dpp signaling is down-stream o

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Buchholz, Alexander Karl. "DPP: Dual Path PKI for Secure Aircraft Data Communication." Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/20373.

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Through application of modern technology, aviation systems are becoming more automated and are relying less on antiquated air traffic control (ATC) voice systems. Aircraft are now able to wirelessly broadcast and receive identity and location information using transponder technology. This helps reduce controller workload and allows the aircraft to take more responsibility for maintaining safe separation. However, these systems lack source authentication methods or the ability to check the integrity of message content. This opens the door for hackers to potentially create fraudulent messages or

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Oliveira, Sandro de. "Determinação da capacidade antirradicalar de produtos naturais utilizando-se a quimiluminescência do luminol e ensaios fotométricos com radicais estáveis." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/46/46136/tde-05122011-114158/.

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Os organismos vivos estão expostos à ação oxidativa de espécies reativas de oxigênio (ERO), causando uma série de doenças degenerativas como câncer, aterosclerose, diabetes, artrite e doenças do coração. Estudos têm demonstrado que o consumo de substâncias antioxidantes na dieta diária podem prevenir estes processos oxidativos que provocam o envelhecimento precoce do organismo. Nas últimas décadas tem se destacado o interesse em encontrar antioxidantes naturais para o emprego em produtos alimentícios ou farmacêuticos, com a finalidade de substituir antioxidantes sintéticos, os quais apresentam

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HAMAJIMA, NOBUYUKI, KENJI WAKAI, GUANG YIN, et al. "DPP4 Genetic Variants Influence Baseline Prostate-Specific Antigen Levels: The J-MICC Study." Nagoya University School of Medicine, 2013. http://hdl.handle.net/2237/17603.

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Raudonis, Raimondas. "Efektyviosios skysčių chromatografijos - pokolonėlinės reakcijos metodo vystymas antioksidantinio aktyvumo nustatymui." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2008. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2008~D_20080616_100532-09677.

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Didelis dėmesys skiriamas natūralių antioksidantų paieškai ir įvertinimui augalinės kilmės vaistinėse ir maistinėse žaliavose. Mokslinių tyrimų objektais yra didelis skaičius augalų rūšių, ekstraktų, maisto papildų ir vaistinių preparatų. Tiriamųjų darbų našumas ir informatyvumas, be abejonės, priklauso nuo pasirinktų metodų tinkamumo, jautrumo ir efektyvumo. Darbo tikslas yra išvystyti bei įteisinti pokolonėlinę ESC-DPPH metodiką ir ją pritaikyti laisvuosius radikalus surišančių žinomų ir nežinomų junginių, esančių vaistinėje augalinėje žaliavoje, antioksidantinio aktyvumo įvertinimui. ESC iš

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Dalgê, Jéssica Jamila. "Estudo da capacidade antioxidante, antimicrobiana e anti-hemolítica do gengibre (Zingiber offinale)." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/74/74132/tde-08092015-083147/.

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O presente estudo teve como objetivo determinar a capacidade antioxidante, antimicrobiana e anti-hemolítica do gengibre (Zingiber officinale) utilizando diferentes solventes extratores. Para tal, rasuras secas de gengibre foram trituradas e usadas na proporção 1:50 (p/v) nas quatro diferentes extrações: água, etanol (70%), acetona/ácido acético (70%/2%) ou acetona (70%). Após centrifugação, o extrato foi utilizado pra determinar o conteúdo de compostos fenólicos por Folin-Ciocalteau e ação sobre os radicais ABTS+. e DPPH.. Foi selecionado o melhor solvente extrator pelas propriedades antioxida

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Janovik, Vanessa. "AVALIAÇÃO QUÍMICA E ATIVIDADE ANTIOXIDANTE DAS CASCAS E TRITERPENÓIDES OBTIDOS DE CARINIANA DOMESTICA (MART) MIERS." Universidade Federal de Santa Maria, 2011. http://repositorio.ufsm.br/handle/1/6040.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The Lecythidaceae family consists of about 230 species, classified in some 10 genera. The species Cariniana domestica (Mart) Miers is one of several Jequitibá species, the oldest and millenary trees from Brazil. The present work developed studies with the aim of characterize the species when concerning to chemical aspects, in order to contribute to the knowledge improvement about Lecythidadeae family. The barks of C. domestica were collected in Tangará da Serra-MS. Exsiccate was archived as voucher specimen in the herbarium of Depa

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Korkmaz, Filiz. "Biophysical Studies Of Progesterone-model Membrane Interactions." Master's thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/4/1116060/index.pdf.

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Interactions of progesterone with zwitterionic dipalmitoyl phosphotidylcholine (DPPC) multilamellar liposomes (MLVs) were investigated as a function of temperature and progesterone concentration by using three non-invasive techniques of Fourier transform infrared (FTIR) spectroscopy, turbidity at 440 nm and differential scanning calorimetry (DSC). The results show that 1mol% of progesterone does not induce a significant change in the shape of thermotropic profile of DPPC. However as progesterone concentration increases, the main transition temperature decreases and phase transition curve broad

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Siqueira, Williams Nascimento de. "Estudo do efeito radioprotetor do flavonóide quercetina sobre linfócitos humanos." Universidade Federal de Pernambuco, 2013. https://repositorio.ufpe.br/handle/123456789/10154.

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Submitted by Amanda Silva (amanda.osilva2@ufpe.br) on 2015-03-03T14:48:47Z No. of bitstreams: 2 DISSERTAÇÃO WILLIAMS NASCIMENTO DE SIQUEIRA.pdf: 1464701 bytes, checksum: 7895af5b94b0f41fbd0315ed1f0968d2 (MD5) license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5)<br>Made available in DSpace on 2015-03-03T14:48:47Z (GMT). No. of bitstreams: 2 DISSERTAÇÃO WILLIAMS NASCIMENTO DE SIQUEIRA.pdf: 1464701 bytes, checksum: 7895af5b94b0f41fbd0315ed1f0968d2 (MD5) license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5) Previous issue date: 2013<br>A radiação ionizant

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Ibrahim, Akram Yousif. "A study of DPPC and DMPC monolayers at different temperatures using epifluorescence surface balance." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ54924.pdf.

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Indrakusuma, Ira [Verfasser], Jürgen [Gutachter] Eckel, and Eckhard [Gutachter] Lammert. "DPP4 and its role in vascular dysfunction / Ira Indrakusuma ; Gutachter: Jürgen Eckel, Eckhard Lammert." Düsseldorf : Universitäts- und Landesbibliothek der Heinrich-Heine-Universität Düsseldorf, 2017. http://d-nb.info/1132771722/34.

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Oliveira, Aldenor Souza de. "cis-[RuIICl2(dppb)(bipy)]cis complex immobilized in SBA-15: development of new materials." Universidade Federal do CearÃ, 2013. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=10108.

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CoordenaÃÃo de AperfeiÃoamento de NÃvel Superior<br>Este trabalho foi realizado com o objetivo principal de acrescentar informaÃÃes cientÃficas sobre a imobilizaÃÃo de complexos metÃlicos em matrizes sÃlidas, propondo uma ligaÃÃo covalente entre o complexo cis-[RuIICl2(dppb)(bipy)] e a matriz sÃlida mesoporosa Santa BÃrbara Amorphus (SBA-15). Para a imobilizaÃÃo do complexo por ligaÃÃo covalente, utilizou-se como estratÃgia o âGraftingâ(encherto) da matriz sÃlida com grupos bipiridinÃcos, a partir da reaÃÃo entre o agente sililante 3-aminopropiltrietÃxisilano(3-APTES), o ligante 4,4â- (cloroca

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Heyer, Elodie. "Elaboration d'édifices multi-chromophoriques à base de DPPs et BODIPYs : vers des applications photovoltaïques." Thesis, Strasbourg, 2014. http://www.theses.fr/2014STRAF022/document.

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Les travaux réalisés au cours de cette thèse ont consisté en l’élaboration d’édifices multi-chromophoriques pour des applications en cellules solaires organiques. La conception de ces nouveaux matériaux a été guidée par trois paramètres : (i) l’augmentation de la planéité pour une meilleure organisation intermoléculaire ; (ii) la modulation de la fenêtre spectrale d’absorption pour capter un maximum de photons ; (iii) l’enrichissement électronique des matériaux pour faciliter la séparation des charges. Notre choix s’est porté sur les hydrocarbures aromatiques polycycliques, de part leurs propr

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劉秋蒞. "含氮、磷多牙團配子VIB金屬羰基錯合物的合成及結構研究-Mo2(CO)8(trien)Mo2(CO)8(C10H26N4)Mo2(CO)9(C7H19N3)fac-W(CO)3(η1-dppe)(η2-dppe)fac-Mo(CO)3(η1-dppe)(η2-dppe)". Thesis, 1994. http://ndltd.ncl.edu.tw/handle/73707301663224595862.

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碩士<br>國立臺灣師範大學<br>化學學系<br>82<br>Metal carbonyl derivatives were synthesized by reactions of the VIB metal hexacarbonyls with polydentate nitrogen ligand, triethylenetetramine, N, N'-bis (3-aminopropyl) butane-1, 4-diamine, 1, 1, 4, 7, 7-pentamethyltriethylenetetramine and 1, 2-bis (diphenyl-phosphino) ethane (dppe) in refluxed n-decane or tetrahydrofuran (THF) and were identified by infrared spectra and elemental analysis. Among them, crystal structures of (1)[Mo2(CO)8(trien)], (trien=H2N-(CH2)2-NH-(CH2)2-NH-(CH2)2-NH2); (2)[Mo2(CO)8(C10H26N4)], (C10H26N4=H2N-(CH2)3-NH-(CH2)4-NH-(CH2)3-NH2); (

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Ji-Ming, Luo. "Intramolecular Cyclization and Related Reactions of (h7-C7H7)(dppe)MoCNR Isocyanide complexes." 2005. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-0507200520025100.

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