E-Dissertationen: Auflistung E-Dissertationen nach Titel
Anzeige der Dokumente 1072-1091 von 4168
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Elucidation of the Putative Gene Cluster for the Biosynthesis of Siphonazole – a Secondary Metabolite from Herpetosiphon
Höver, Thomas Christian (2012-07-26)Polyketides (PKs) and non-ribosomal peptides (NRPs) are two major classes of natural products. They comprise a vast variety of structurally and functionally diverse compounds, which include a great number of clinically ... -
Arabidopsis thaliana aldehyde dehydrogenases ALDH3H1 and ALDH3I1: cysteine mutations, S-nitrosylation and esterase activity
Podgórska, Karolina Anna (2016-04-20)S-nitrosylation is a posttranslational modification that is known to affect many biochemical processes in plants. In the current study the ability of NO donors to S-nitrosylate aldehyde dehydrogenases ALDH3H1 and ALDH3I1 ... -
Die AtMRS2-Genfamilie: Untersuchungen zur entwicklungs-/ gewebespezifischen Expression in Arabidopsis thaliana und Protein-Proteininteraktionsanalysen mit dem mating based Split-Ubiquitin-System in Hefe
Meschenmoser, Karoline (2008)<p>Magnesium besitzt einzigartige physiko-chemische Eigenschaften und benötigt einen ebenso außergewöhnlichen Transportmechanismus. Obwohl Magnesium eine essentielle Funktion in der Zelle als Cofaktor zahlreicher Enzyme, ... -
C and CP Violation in Light-Meson Decays
Akdag, Mehmet Hakan (2023-11-29)This dissertation delves into the systematic parameterization of a simultaneous violation of C and CP in the light-meson sector, i.e., a source of CP violation that has been mostly disregarded over the past six decades. ... -
Enoki mushroom (enok) – ein neuer epigenetischer Regulator von Lipidmetabolismus, Wachstum und Nahrungsaufnahme in Drosophila melanogaster
Moderau, Nina (2016-12-09)Um das Überleben eines Organismus zu gewährleisten, bedarf es eines exakten Zusammenspiels von verschiedenen Genen, die zeit- und gewebespezifisch reguliert werden müssen, um das externe Nahrungsangebot zu detektieren, die ... -
Escherichia coli und Synechocystis sp. als heterologe Produktionssysteme für Ectoin und Hydroxyectoin
Moritz, Katharina (2019-02-15)Die kompatiblen Solute Ectoin und Hydroxyectoin werden von vielen Mikroorganismen zur Anpassung an osmotischen Stress synthetisiert. Darüber hinaus haben sie eine protektive Wirkung auf Biomoleküle, Zellen und Gewebe ... -
G-Global Algebraic K-Theory
Lenz, Tobias (2021-11-09)We develop the foundations of G-global homotopy theory as a synthesis of classical equivariant homotopy theory on the one hand and global homotopy theory in the sense of Schwede on the other hand. Using this framework, we ... -
The glmS ribozyme is an antibacterial target: Mode of action analysis, investigation of potential metabolite analogs and characterization of glmS ribozyme variants of human pathogens
Schüller, Anna Katharina (2018-05-22)Bacteria increasingly develop resistances to the known antibiotics, this threatens human health. Thus, novel antibiotics are urgently needed. The currently used antibiotics mainly target five bacterial processes and are ... -
hp-finite elements for pde-constrained optimal control problems with focus on distributed control and fast solvers
Hofer, Katharina (2016-09-06)In this thesis <em>hp</em>-finite element methods are applied to linear quadratic optimal control problems subject to partial differential equations.<br /> In particular two kind of model problems are considered: a boundary ... -
Ilex paraguariensis St.-Hil. (Mate): Variabilität phytochemischer Merkmale in Ausgangsmaterial und Produktion
Haaf, Melanie (2004)Mit "Mate" wird in Südamerika ein Baum (<em>Ilex paraguariensis</em> St.-Hil., Aquifoliaceae) bezeichnet, dessen Blätter traditionell zur Zubereitung stimulierend wirkender Getränke genutzt werden. Mate-Tee ist in Argentinien, ... -
In silico drug discovery on computational Grids for finding novel drugs against neglected diseases
Kasam, Vinod Kumar (2010-05-19)Malaria is a dreadful disease affecting 300 million people and killing 1-1.5 million people every year. Malaria is caused by a protozoan parasite, belonging to the genus Plasmodium. There are several species of Plasmodium ... -
In Silico Facets of Biochemical Research: Accounts from Protein Folding and Protein-Ligand Interaction Studies
Paul George, Ajay Abisheck (2020-09-04)Exponential advancements in computer technology over the last five decades have ubiquitously benefited science and humanity as a whole. Consequent beneficiaries of this surge of computational power include all subfields ... -
In situ observations of reaction and transport phenomena during silicate glass corrosion by fluid-cell Raman spectroscopy: Method development and applications
Dohmen, Lars (2020-07-06)Borosilicate glass is the preferred material for the immobilization of high-level nuclear waste and an important material for various industries. Silicate glasses, however, are prone to corrosion by aqueous solutions, which ... -
In situ STM-Studie zum Anioneneinfluss auf die Abscheidung von Cadmium auf Kupferelektroden
Hommrich, Joerg (2003)Die hier vorgestellte Arbeit befasst sich mit dem Anioneneinfluss auf die elektrochemische Abscheidung von Cadmium auf einkristallinen Kupferelektroden. Hierbei wurde die Abscheidung sowohl in salzsaurer als auch in ... -
In vitro aqueous alteration experiments on cortical bone: Quantification and visualization of alteration effects from the micro- down to the atomic scale
Kral, Anna Gabriele (2022-10-14)This dissertation addresses the effects of early diagenetic processes on vertebrate bone's organic and inorganic constituents in an aquatic environment. <br /> For this purpose, in vitro alteration experiments were ... -
K-K and π-K Scattering Lengths at Maximal Isospin from Lattice QCD
Helmes, Christopher (2019-08-02)The current work presents calculations of the elastic scattering length <em>a</em><sub>0</sub> for systems of two Kaons and one pion and one Kaon, respectively. The values for <em>a</em><sub>0</sub> have been obtained from ... -
K-Theorie adischer Räume
Andreychev, Grigory (2023-09-13)In dieser Arbeit formulieren wir die Grundlagen der <em>K</em>-Theorie im Kontext der adischen Geometrie unter Verwendung des Formalismus der verdichteten Mathematik und der Ergebnisse von Efimov über lokalisierende ... -
L2-index theory, the Chern conjecture, and manifolds of special holonomy
Hoffmann, Michael (2014-12-12)In this dissertation we study a conjecture attributed to Chern and Hopf, a generalization of Atiyah's <em>L</em><sup>2</sup>-index theorem used by Gromov to prove said conjecture for Kähler manifolds, and an extension to ... -
N-Heterocyclic Carbene Palladium Pincer Complexes: Synthesis, Aggregations and Catalytic Applications
Jagadeesh, Malineni (2011-11-29)The work presented herein describes an investigation of a new class of pyridine-bridged bis- (benz)imidazolium salts and N-heterocyclic pincer carbene complexes derived there from, as well as their implication as homogenious ... -
A p-Adic 6-Functor Formalism in Rigid-Analytic Geometry
Mann, Lucas (2022-08-01)We develop a full 6-functor formalism for $p$-torsion étale sheaves in rigid-analytic geometry. More concretely, we use the recently developed condensed mathematics by Clausen--Scholze to associate to every small v-stack ...