Dokumente Fakultät für Chemie (inkl. GAUSS) nach Erscheinungsdatum
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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 ... -
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 ... -
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. ... -
Novel Near-Infrared-Emitting (Nano)Materials for Bioimaging
(2022-12-16)The scientific interest around in vivo biomedical imaging has strongly increased in recent years due to its benefits compared to other diagnostic tools. Fluorophores that emit in the near-infrared region of the electromagnetic ... -
Structure and Mechanics of Membrane-bound Vimentin Filaments and Networks under Strain
(2022-12-16)The shape and mechanical properties of eukaryotic cells are determined by the cytoskeleton, composed of actin filaments, microtubules and intermediate filaments (IFs). Among these, IFs are considered to be the main ... -
Diols under Investigation: Benchmarking their Monomers, Dimers and Chirality Recognition
(2022-12-14)A large variety of different 1-2,-diols are investigated with regards to their monomers, dimers and chirality recognition. Jet-Raman and microwave spectroscopy are used to spectrally characterise the systems. The results ... -
Templat-vermittelte Synthese zyklischer Peptide an programmierten Coiled-Coil-Gerüsten
(2022-12-12)In recent years, macrocyclic peptides have experienced a renaissance in research. Due to their restricted conformation, they have a high substrate specificity and, relative to their size, a large surface area. This is ... -
Untersuchungen zur Aggregation des ALS-relevanten TDP-43(307-347)
(2022-12-12)Amyotrophic lateral sclerosis (ALS) is a fatal, multicausal, neurodegenerative disease for which there is so far no cure. Abnormal cytoplasmic aggregates of TDP-43, a multifunctional RNA-binding protein, are a pathological ... -
Vibrational dynamics of formic acid and its dimer: FTIR and Raman jet spectroscopy and theory
(2022-12-07)The vibrational spectroscopy of formic acid and its dimer (including deuterated isotopologues) is investigated using Raman and FTIR jet spectroscopy. The vibrational spectroscopic record of monomeric formic acid is reviewed, ... -
Bioinspired Dinuclear Copper Complexes for Oxygen Activation
(2022-12-06)This thesis explores new bioinspired bimetallic copper complexes for the activation of dioxygen. Therefore, two novel TACN/pyrazolate ligand scaffolds with reduced steric hindrance were introduced and successfully established. ... -
Aggregations- und Evaporationsdynamik von Clustern und Aerosolpartikeln im H<sub>2</sub>SO<sub>4</sub>-H<sub>2</sub>O-System
(2022-11-28)Sulfuric acid and water are two key compounds in the formation of atmospheric aerosols and are therefore relevant in the context of climate research. In this work, a modified experimental setup is presented, using the ... -
Investigation of Intermolecular Ketone-Alcohol Balances via FTIR Spectroscopy
(2022-11-24)Asymmetrically substituted carbonyl groups are predestinated to form two distinguishable hydrogen bridged complexes between the free electron pairs of the carbonyl oxygens and hydrogen bond donors like alcohols. These ... -
Detection of Monoamine Mediated Immune Cell Communication by Nanosensors
(2022-11-11)The immune system comprises many organs, organ systems, cell types and secretory components that together form an intricate host defense network encompassing physical, biological and chemical barriers. Secretory components ... -
Probing SNARE-Induced Membrane Fusion Using Peptidic Model Fusogens
(2022-11-10)In this thesis, SNARE analogues with artificial recognition units made of either coiled-coil sequences or peptide nucleic acid (PNA) oligomers were synthesized. By applying FRET-based liposome fusion assays, the fusogenic ... -
Tuning the donor properties of bipyridyl-substituted phosphines by metal ion encapsulation & Photocatalytic synthesis of 6H-benzo[c]chromenes from S-aryl sulfonium salts
(2022-11-09)This work is divided into two parts. The first part introduces a novel approach for the synthesis of cationic phosphine ligands by metal ion encapsulation. In this context, multidentate heterophosphines encapsulate a ... -
Synthesis and Magnetic Properties of Polyimidosulfur- and Bis(benzoxazolyl)methanide-ligated Complexes
(2022-09-30)The properties of magnetic molecules are promising centerpieces in various fields of research directed toward novel technologies, ranging from quantum computing, high-density data storage systems, and medical imaging ... -
Development of a Generally Applicable Machine Learning Potential with Accurate Long-Range Electrostatic Interactions
(2022-08-16)Machine learning potentials (MLPs) have become an indispensable tool for large-scale atomistic simulations, due to their accuracy comparable with ab-initio methods at considerably reduced computational cost. The development ... -
Computational Description of Chemical Bond Formation Using Neural-Network Potentials: H-Atom Scattering from Graphene
(2022-08-01)When a hydrogen or a deuterium atom is interacting with a graphene surface during scattering events, its energy loss determines if the projectile will be adsorbed or scattered. The energy loss highly depends on the initial ... -
Ramanspektroskopische Untersuchung der Esterfaltung in Überschallexpansionen, Oder: Wie man bei der Suche nach der Haarnadel im Esterhaufen fünf auf einmal findet
(2022-06-29)The conformational preference of linear alkyl chains with an ester group in the center was investigated using Raman spectroscopy in supersonic expansions. Like alkanes, short esters prefer a stretched conformation, but ... -
Epithelial Cells under Mechanical Strain: an Investigation
(2022-06-29)Cells are the minimal living unit of the body. Each cell plays a vital role that must withstand various stresses, from chemical environments to mechanical strain and temperature variations. One of these vital cell types ...