Division of Chemical Sciences: Recent submissions
Now showing items 561-580 of 1541
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Synthesis and Self-Assembly Studies of Carbohydrate-Conjugated Oligo-p-Phenylenes
The structural diversity of carbohydrate derivatives is amplified further by their strong tendency to self-assemble in aq. solutions, provided the molecular constitution and environmental conditions favor. Glycostructures ... -
Studies on the Lewis Acidity of Redox-Active Telluranes and the Catalytic Applications of a Low-Valent Iron Complex
Recent advances in catalysis have expanded the landscape of both main group and transition metal catalysts, moving beyond traditional boron- and aluminum-based main group systems and 2nd -3rd row transition metal systems ... -
Theoretical Investigations of Excited State Proton Transfer in Selected Molecular Systems
Excited state proton transfer (ESPT) plays a key role in various chemical and biological systems, including DNA where it plays a role in the deactivation mechanism. Compared to the ground state, molecules typically have ... -
Exploring Scalable Material Strategies Towards the Practical Metal-Sulfur Batteries
Lithium-ion batteries (LIBs) dominate the market of portable electronic devices and currently serve as the stand-alone power source for electric vehicles. LiBs are approaching their theoretical energy density limit, ... -
Guest Induced Structural Transformations of Coordination Cages and their Role in Mediating Chemical Conversions
Enzymes utilize several non-covalent interactions to perform catalytic reactions within small cavities. Coordination driven self-assembly has been found to be the simplest approach for constructing artificial enzyme ... -
Design and development of proteasome inhibitors with improved efficacy in breast cancer cells: 3D tissue models and detailed molecular mechanistic studies
The proteasome is an enzyme complex that regulates the degradation of intracellular proteins, maintaining cell cycle regulation, protein quality, and cellular homeostasis. Proteasome inhibition has gained popularity as a ... -
Design, Synthesis and Binding of Hydrogen Bond Surrogate (HBS) stabilized Helicomimics with Biorelevant DNA Transcription Factor Domains and Proteins
Although all cells share the same genome, their diverse functions arise from differential gene expression, which governs cell fate and activity. Dysregulation of this transcriptional machinery leads to diseases, highlighting ... -
On the Development of Repetition-Rate Scalable Multidimensional Spectroscopy
Pump-probe (PP) spectroscopy is a powerful and now routine time-resolved spectroscopic technique that routinely probes the non-equilibrium electronic and nuclear motions with sub-10 fs temporal resolution. PP spectroscopy ... -
Genetic Code Expansion with Unnatural Amino Acids: Biosynthesis and Incorporation of Halogen and Chalcogen-containing Amino Acids into Proteins
Genetic code expansion (GCE) strategy allows incorporation of unnatural amino acids (UAAs) with diverse physical, chemical, and biochemical properties. Multiple UAAs have been successfully incorporated co-translationally ... -
Atomic-Scale Insights into the Conversion Chemistry of Metal Chalcogenides using Advanced Electron Microscopy for Structure-Property Correlation
Conversion chemistry is a pivotal technique for transforming pre-synthesized nanocrystals into new materials with precise control over their properties. The investigation of phase transformations and conversions in 2D metal ... -
Enzymatically Combating Biofilm Associated Microbial Infections: Towards Next-Gen Enzyme-Based Therapeutics
Bacteria employ various defense mechanisms, one of the most significant being forming biofilms─structured communities of microorganisms encased in a self-produced extracellular polymeric substance (EPS) matrix. The widespread ... -
Exploration of Oxides and Polyanionic Cathodes for Zn-ion and Zn-air Batteries
Lithium-ion batteries (LIBs) rule the modern consumer electronics and electric vehicle sectors. However, their high production costs, safety risks from flammable electrolytes, and paucity of lithium resources have spurred ... -
Formation Mechanism, Structure and Optical properties of Functional Nanoparticle Assemblies
Metal nanoparticles (MNPs) concentrate light near their surface because of localized surface plasmon resonances (LSPR). LSPRs depend on MNP morphology, composition, size, and the metal–dielectric interface. LSPRs are further ... -
A Few Probable Electrolyte and Electrode Design Strategies for Multivalent-Ion-Based Rechargeable Batteries
Lithium-ion batteries have transformed modern energy storage, but their limitations concerning the materials supply chain and safety risks highlight the need for alternative technologies. This PhD thesis explores multivalent ... -
Photoluminescent Lanthanocholate Gel-Based Sensors for Human Well-Being
Lanthanide-based luminescent materials have emerged as highly promising in biosensing, primarily owing to the long lifetimes of lanthanides, which enable the efficient elimination of background signals during time-delayed ... -
Photo-physical Investigation of Bistable Molecular Magnetic Materials: Design, Synthesis and Applications
The work reported in this thesis is structured around four interconnected studies that explore distinct, yet interrelated facets of molecular magnetism. An overview of the chapters presented in this thesis is outlined ... -
Activation of H–E (E = H, Si, B, C) σ-Bond by Iridium and Rhodium Pincer Complexes: Implications in Catalytic (De)hydrogenation Reactions
Methane is a major constituent of natural gas and crude oil. Due to its abundance, methane is attractive from the standpoint of its utilization and conversion into value-added products.1 This process involves activation ... -
Transition metal nanoparticles embedded carbonaceous framework for electrocatalysis and zinc air batteries
As the world’s energy demand grows and environmental challenges mount, there is a growing push to find sustainable energy sources and efficient solutions for energy conversion, such as water splitting, fuel cells, ... -
Studies on Solid State- and Photorechargeable- Batteries: From Interface Engineering to Material Design
Research work presented in the thesis involves fundamental studies on photorechargeable and solid-state energy storage devices. Lead-free perovskite (CsBi3I10) and a mixed chalcogenide (MoSeTe) based electrodes lead to ... -
Designing Functional Supramolecular Assemblies for Enzyme Activity Regulation
Enzymes are essential biocatalysts that perform chemical and biochemical reactions in living organisms. Dysregulation in enzyme activity is responsible for several metabolic disorders and lethal diseases such as Alzheimer’s ...