Browsing Naturwissenschaften, Mathematik und Informatik by Title
Now showing items 4672-4691 of 5532
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Synthesis, Spectral Studies, Structural Elucidation and Magnetic Properties of Metallasiloxanes containing Main Group and Transition Metals
(2006-04-27)In recent years, metallasiloxanes have been shown as potential model compounds for zeolites. In view of this, the synthesis and characterization of novel metallasiloxanes are of paramount ... -
Synthesis, Structural Characterization and Reactivity of homo- and heterobimetallic Imidoalanes and Carbaalanes, Aluminum Hydrazide and Aluminum Peroxide Compounds
(2005-02-16)In the present work, hydroalumination reactions were carried out successfully on nitriles and mono-substituted acetylenes in the synthesis of imidoalane and carbaalane cluster compounds. A ... -
Synthesis, Structural Studies and Reactivity of Monomeric Organo Aluminum and Gallium Amides, Hydrogensulfides and Hydroxides Using N-Heterocyclic Carbene: Precursors for Heterobimetallic Systems
(2004-12-20)The first part of this work was focused on reactions of elemental sulfur, selenium and tellurium with LAlH 2. Phosphine catalysis has significant influence on the reaction products and such ... -
Synthesis, Structure and Applications of Cationic Phosphonites
(2018-11-07)Phosphorus based ligands are a hugely important class of ligands for homogenous catalysis, owing to the easy fine-tuneability of their steric and electronic properties. In α-cationic phosphines, the incorporation of a ... -
Synthesis, Structure and Reactivity of Bismuth(III) and Aluminum(III) Complexes Supported by Nitrogen Donor Ligands
(2010-05-28)This dissertation has laid emphasis mainly on the reaction chemistry of Bismuth(III) and Aluminum(III) compounds stabilized by sterically bulky ligands. It is comprised of four parts. The ... -
Synthesis, Structure and Reactivity of Manganese Complexes Supported by Carbon or Nitrogen Donor Ligands
(2004-11-23)In this thesis, N-heterocyclic carbene, b-diketiminate and diamide ligands have been employed as supporting moieties for manganese compounds. The experimental results demonstrate that steric ... -
Synthesis, Structures and Reactions of Aluminum(I) and Aluminum(III) Compounds
(2004-11-24)In this dissertation bulky bidentate salicylaldiminato, diketiminato, tert-butyl and adamantyl groups have been employed as supporting moieties to synthesize aluminum(I) and aluminum(III) ... -
Synthetic Models for Dizinc Metallohydrolases
(2011-05-23)This work presents the synthesis and characterisation of new binuclear zinc complexes that mimic the active sites of dizinc metallohydrolases. To emulate the three-dimensional protein ... -
Synthetisch interessante Transformationen von Ring-anellierten (E,Z,E)-1,3,5-Hexatrienen
(2004-10-05)Twofold palladium-catalyzed coupling reactions (Heck reactions) of 1,2-dibromocycloalkenes with styrene or acrylates afforded 1,6-diphenyl- and 1,6-dialkoxycarbonyl-substituted ... -
Systematic Reverse Genetic Screen to Identify Novel Genes Required for Anterior Patterning of the Red Flour Beetle Tribolium castaneum
(2014-08-19)The formation of two main body axis is a crucial event during bilaterian de-velopment and has been in the focus of research for many years. The vinegar fly Drosophila melanogaster served as an excellent model organism for ... -
Systematics and biogeography of selected genera in Lejeuneaceae subfamily Lejeuneoideae
(2014-01-20)Lejeuneaceae represent the most species-rich epiphytic lineage of leafy liverworts with approximately 1000 species in 68 currently accepted genera. This subcosmopolitan family has its centre of diversity in the humid tropics ... -
Tailored near-infrared fluorescent carbon nanotube sensors for pathogen detection
(2021-10-21)During the global COVID-19 pandemic, the needs and benefits of fast and specific analytical tools became apparent to everyone. In particular, advances in nanotechnology promise novel healthcare diagnostics, like the ... -
Tailored Silica Polymer Composites and ABA Type Copolymers: Polymerization Kinetics, Structural Design, and Mechanical Properties
(2011-10-27)In this work, kinetic and mechanistic aspects of the radical polymerization from the surface of fumed silica particles were examined. The surface-initiated polymerization technique was ... -
Tailoring and Exploiting Magnetic Anisotropy in Low Coordinate 3d Transition Metal Complexes.
(2023-07-04)Among 3d transition metal based SMMs, Co(II) SMMs is the most-studied group owning to the high-spin electronic configuration (CoII, d7) which yields second-order spin-orbit coupling or even first-order spin-orbit coupling. ... -
Tailoring the Mechanical Properties of Montmorillonite-Nanocomposites via Surface-Bound RAFT-Polymer
(2021-01-19)The successful preparation of Montmorillonite--polymer-nanocomposites with tailorable mechanical properties via surface grafting of RAFT polymers was presented. Strategies to precisely tune the properties of filler--matrix ... -
Taking a secong look - Revising the effects of process and outcome accountability
(2022-12-12)Accountability is an essential aspect of human judgment and decision-making. Past research has claimed that different forms of accountability have differential effects on the quality of the decisions people make. Specifically, ... -
TAR-RNA Recognition by a Novel Cyclic Aminoglycoside Analogue
(2007-05-29)The formation of the Tat-protein/TAR RNA complex is a crucial step in the regulation of Human Immunodeficiency Virus (HIV)-gene expression. To obtain fulllength viral transcripts the Tat/TAR ... -
Targeting and Anchoring of Munc13-1 and ubMunc13-2 to active zones by RIM1alpha
(2005-11-23)Members of the Unc-13/Munc13 protein family are components of the presynaptic active zone and essential vesicle priming factors in regulated exocytosis. They are thought to mediate vesicle ... -
Targeting gene therapy to neuroinfalmmatory lesions in experimental autoimmune encephalomyelitis
(2005-03-18)The blood-brain barrier (BBB) protects the central nervous system (CNS) from harmful substances but at the same time is an obstacle to therapy by blocking the transport of drugs into brain ... -
Taxonomic and Functional Characterization of Biopolymer-degrading Microbial Communities in the Intestinal Tract of Beavers
(2019-05-09)The mammalian gut harbors a complex and specialized microbiota, which includes all tree domains of life (Archaea, Bacteria, and Eukarya). Bacteria are the most abundant group within the gut system, and they take part in ...