Naturwissenschaften, Mathematik und Informatik
Recent Submissions
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Rhenium Mediated Formation of N-Containing Organic Compounds by Nitride Transfer
(2023-01-26)N-containing organic compounds occur in all the organisms, such as in the form of amino acids (and thus proteins), nucleic acids (DNA and RNA), and in the form of energy transfer molecule adenosine triphosphate. The human ... -
Molecular Mechanisms of Frequency Discrimination in the Drosophila Ear
(2023-01-24)Since the first confirmed evidence of potassium ions crossing the membrane to the first cloned and identified potassium channel from Drosophila melanogaster, the studies of potassium channels have extensively broadened our ... -
Biodiversity and ecosystem services in a tropical smallholder landscape in Madagascar
(2023-01-20)The overarching theme of this thesis is how biodiversity and ecosystem services respond to land-use change by smallholder farming in north-eastern Madagascar. The region is a global biodiversity hotspot and a major vanilla ... -
Simulations of Cosmological Structure Formation with Nonrelativistic Scalar Fields
(2023-01-20)Nonrelativistic, self-gravitating scalar fields are of current interest in several scenarios of cosmological structure formation. This includes the gravitational clustering of dark matter in the late-time Universe which ... -
Far-from-Equilibrium Quasiparticle Dynamics in Graphene
(2023-01-17)Comprehending far-from-equilibrium many-body interactions is one of the major goals of current ultrafast condensed matter physics research. Here, a particularly interesting but barely understood situation occurs during a ... -
Transition Metal- and Electro-Catalyzed C-H and B-H Activation for the Efficient Synthesis of Carborane Derivatives
(2023-01-12)The emergence and rapid development of transition metal-and electro-catalyzed C-H activation has proven to be a powerful tool in the assembly of complex molecular structures. in addition, the selective synthesis of carborane ... -
Using smart farming technologies to improve the sustainabilty of livestock grazing systems
(2023-01-12)Semi-natural grasslands, which contribute to a wide range of ecosystem services, such as soil erosion control, water storage and carbon storage, are severely threatened by both intensification and complete extensification, ... -
Mineralogical mapping of selected areas of the lunar surface using Moon Mineralogy Mapper data.
(2023-01-12)The dissertation is concerned with spectrophotometric studies of selected areas of the lunar surface using the data generated by the mapping spectrometer Moon Mineralogy Mapper (M3), onboard the Chandrayaan-1 spacecraft. ... -
Financial Inclusion in Kenya: The Role of Mobile Financial Services
(2023-01-12)Access to Mobile Financial Services (MFS), which include mobile payments, savings, insurance, and digital credit, enables mobile phone users to leapfrog over the deficiencies of conventional banking structures and ... -
Experimentelle Untersuchung von thermohalinen Treppen in doppelt-diffusiver Konvektion
(2023-01-12)This study deals with the modeling of a laboratory experiment where steady states as well as transients of double diffusive staircases can be observed by Particle Image Velocimetry (PIV) in a fluid layer. A stabilizing ... -
Kommunalismus und Raumproduktion am Beispiel der indischen Metropole Hyderabad
(2023-01-11)Hyderabad is a fast growing emerging Indian Megacity. Along with globalisation rapid and drastic changes have taken place resulting in spatial fragmentations and new conflicts. The Muslim-dominated old city of Hyderabad ... -
High-Resolution Reflection Microscopy via Absorbance Modulation
(2023-01-11)The properties of composite materials are primarily governed by their microstructural features, which can vary in size from a few nanometres to several micrometres. Optical microscopy is one of the primary tools for ... -
Phylogenetic Forest Spaces
(2023-01-10)Given a fixed set of operational taxonomic units (OTUs), when studying their evolutionary relationships among each other, a common way of depicting those is to construct a phylogenetic tree, a graph-theoretic tree with a ... -
Effects of Visual Masking and Crowding on Stimulus Visibility and Processing
(2023-01-10)The visibility of visual stimuli can be manipulated by various methods such as visual masking or crowding in such a way that the viewer can no longer identify the stimulus. Despite these circumstances, the stimuli can be ... -
Nanoscale Friction Measurements on Manganite Thin Films: Which Material Properties are Important?
(2023-01-05)Although the phenomenon of friction has been known to mankind for millennia, the underlying mechanisms that ultimately lead to the conversion of kinetic/mechanical energy into heat remain unclear. Based on Bowden and Tabor's ... -
Bagger or Bär? The influence of individual interests on early word learning
(2023-01-03)Young children are remarkable word learners: At the end of the first year of life, typically developing children only produce a handful of words, but their vocabularies grow many times over during the second and third year ... -
Investigation of the effects of raw material density and molecular weight of phenolic binders on the properties of lightweight panels based on Paulownia wood
(2023-01-03)Abstract This thesis focuses on different production process conditions of strand boards (SBs), especially with wood species (Paulownia tomentosa) by various adhesive binders (pMDI) and their influence on the properties ... -
Robust phylogenomic inference through genome skimming as demonstrated by a systematic analysis of Nereididae
(2022-12-16)The introduction of massively parallel sequencing in the mid-2000s has truly revolutionized the field of molecular phylogenetics and ultimately our understanding of the tree of life. Despite today's existence of long-read ... -
Exploring the roles of RNAPII in genome organization
(2022-12-16)The role of RNAPII in 3D genome organization has been heavily debated over the last two decades. Here, in situ Hi-C and Micro-C data were used to conclusively address this debate. I discovered that: 1) using cell population ... -
Fixing the Conformation in Helicenes: Enantioselective Synthesis of [5]Helicenes and Synthesis of In-Fjord Substituted Expanded Helicenes
(2022-12-16)By combining the 3,3’-disubstituted BINOL-derived backbone and different cationic rests, a new family of α-cationic chiral phosphonites has been synthesized. Coordination to Au(I) afforded the corresponding precatalysts. ...