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Showing 1 to 20 of 62 for “"derivates"”.
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The regulation of financial derivates: an agent-based model approach
In 2007-08, the world experienced the greatest financial crisis since 1929, which turned – in the following years – in one of the deepest and most prolonged periods of economic stagnation of modern history. While there were multiple conditions that originated the so-called Great Financial Crisis, a …
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Structural design of tris(bipyridyl)ruthenium(II)-derivates for high-performance solid-state light-emitting devices
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 1999.
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Polifenolok és származékaik feltérképezése hármaskvadrupól tömegspektrometriás módszerrel = Profiling polyphenols and their derivates with triple quadrupole mass spectometry
A polifenolok egyre jobban a figyelem középpontjába kerülnek, minél több kutatás és információ lát róluk napvilágot. Egyre inkább előtérbe kerülnek, mint olyan vegyületek, melyeknek kiemelkedő szerepe lehet az egészségmegőrzésben. Egyre bővülő ismereteink ellenére, vagy talán éppen amiatt, nagy …
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Asymmetric synthesis of medium-sized carbocycles spirocycles and oxabicycles via ring closing metathesis sufoximine substituted trienes and dihydropyran derivates
The synthesis of substituted chiral medium-sized carbocycles is an important goal of organic synthesis. Ring-closing metathesis of acyclic dienes is a very effective method for the synthesis of medium-sized carbocycles. In this project, sulfoximine-substituted trienes were proven to be excellent …
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Syntheses related to the preparation of substituted glycosyl derivates of pyrrolo (3,2-f) quinolines : spectroscopic studies of acetylated glycosylamine derivatives
The synthesis of 25 acetylated glycopyranosylamine derivatives (15 of which are newly reported here) from substituted sugar derivatives and amines is described. Eleven different methods were employed in these syntheses. Of the compounds prepared, 15 are substituted glycosylindoline derivatives. The …
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Metabolism of nonylphenol by human P450-recombinant yeast and assessment of the xeno-hormone potency of different isomers and their chlorinated derivates
The purpose of this study was to obtain a better understanding of the behaviour, the characteristics, the metabolism and the metabolites or derivatives of 4-nonylphenol isomers (4NP) regarding the risk of exposure for human health to these compounds. The development of efficient molecular tools, …
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Synthese funktionalisierter Polycarbonate auf cis-1,4-But-2-endiol-Basis
… but-2-endiol and different carbonic acid derivates. Statistical and alternating Copolymers were obtained through polycondensation of different dioles and carbon acid derivates. The synthesis of block copolymers have been successful with the combination of polycondensation and ring opening …
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Sequential Enantioselective Iridium-Catalyzed Allylic Alkylation/Cope Rearrangement for the Construction of Acyclic γ-Tertiary or Quaternary Stereocenters
… asymmetric γ-functionalization of carbonyl derivates is challenging because of the issues with ontrolling chemo- (O vs. C), regio- (α vs. γ), and enantioselectivity. In this way, enantioselective transition metal-catalyzed γ-allylic alkylation reactions have attracted increasing attention, …
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Wirksamkeit und Leistungsfähigkeit von nanoskaligen Fließregulierungsmitteln
… Durch die Verwendung des hydrophoben Ruß-Derivates Printex® 95 werden Pulvermischungen erhalten, die zudem weitestgehend unempfindlich sind gegenüber Kapillarkräften bei erhöhten Umgebungsfeuchten. Das hydrophobe Printex® 95 vereint damit praktisch alle gewünschten Eigenschaften eines …
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Biologische Aspekte der nicht-enzymatischen Stickstoffmonoxid-Generierung durch UVA-induzierten Nitritzerfall in humanen Hautfibroblasten
… decomposition of naturally occurring NO-derivates (NOD) like nitrite and nitroso-compounds. Function and mechanism of non-enzymatic NO-generation in human skin is largely unknown. Within this work we could show for the first time that under physiological conditions UVA-radiation can …
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Macrophage – cryptococcus interactions during cryptococcosis
… and characterisation of GFP-expressing derivates of two widely used cryptococcal strains: C. neoformans serotype A type strain H99 and C. gattii serotype B type strain R265. Furthermore, I have developed a method to effectively and rapidly investigate macrophage parasitism by flow …
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Preparation of Substituted Enol Derivatives from Terminal Alkynes and Progress Toward the Total Synthesis of Nigricanoside A
… describes the preparation of stereodefined enol derivates of alpha-branched aldehydes from terminal alkynes. Specifically, alkenyl alanes, derived from the methylalumination of alkynes, are shown to be efficiently oxygenated with peroxyzinc species. The resulting metallo-enolate may be trapped …
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Tertiary alkylamines as effective directing groups for palladium-catalysed C(sp3)–H activation strategies
… oxidants by a combination of oxygen and alkene derivates, and the reduction of palladium catalyst loadings were explored. Pivotal to the success of these discoveries was the use of mono-protected amino acid ligands. Combined experimental and computational analysis revealed that these readily …
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Immunomodulation der Kartoffel-Blattrollvirus (PLRV) Multiplikation via Expression virusspezifischer rekombinanter Antikörper in planta
… (PLRV) leads to the formation of a subset of P1 derivates including P1-C25 and the VPg. In order to study the relevance of P1 and/or its derivate P1-C25 to the viral life-cycle the VH- and VL-domains of a monoclonal antibody mAbP1-C25 raised against the carboxy terminus of P1 was cloned in order …
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Super-resolution image reconstruction from low-resolution images
… the bicubic interpolation and their first-order derivates and the use of first-order difference equation to extract the features from the low-resolution images are described and shown to improve the method of single image super-resolution using sparse representation. The proposed method has shown …
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Novel Directions in Network Steganalysis
… This thesis investigates the use of complexity derivates and a re-embedding technique to answer the two fundamental questions posed above. The experiments presented here show that it is possible to detect and estimate the amount of malicious information accurately in a number of different …
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Application of thermodynamic principles in biocatalytic synthesis of novel nucleoside analogues
… unexpected N7-xanthosine and various ribavirin derivates were synthesized and purified in milligram yields. The cytotoxicity in human cell lines was evaluated for selected examples. In conclusion, it is confirmed that thermophilic nucleoside phosphorylases exhibit an impressive substrate scope. …
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