Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 23 for “"Molecular building blocks"”.
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OCTAHEDRAL METAL CLUSTERS AS MOLECULAR BUILDING BLOCKS OF COORDINATION POLYMERS: SYNTHESIS, CHARACTERIZATION, AND STUDY OF THEIR HOST-GUEST INTERACTIONS
… with valence electron per cluster (VEC) = 15 as molecular building blocks of coordination polymers. Apical cyanide ligands are used as bridging ligands between the cluster and other molecular building blocks for the preparation of supramolecular assemblies with different dimensions. Using the …
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Functional nucleic acids as substrate for information processing
… environment in which an orchestration of molecular building blocks can be realised. Strict arbitrary control over the design of these computational nucleic acids is not feasible. The microphysical behaviour of these molecular materials must be taken into consideration during the design …
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Theoretical And Spectroscopic Studies Of Molecular Systems For Charge Transfer And Energy Storage And Transfer
… for the development of optoelectronic devices, molecular electronics, and solar voltaic cells. Characterization of the photophysical properties of new molecular systems for these applications has emerged as an important field of research. Many molecular building blocks have been developed and …
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The Spectroscopic Characterization Of Newly Developed Emissive Materials And The Effects Of Environment On Their Photophysical Properties
… of the photophysical properties of new molecular systems for these applications has become critical in the design and development of these materials. Many molecular building blocks have been developed and understanding the properties of these molecules at a fundamental level is essential …
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Directing the self-assembly of short peptide derivatives
Self-assembly of molecular building blocks has attracted increasing interest as an effective bottom-up approach for the design of functional nanomaterials. Amongst the variety of known molecular building blocks, very short (di- and tri-) peptides and their derivatives are of particular relevance in …
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Electronic structure and transport in low dimensional systems
The work discusses the development of molecular electronics based on the possibility of the usage of anorganic quantum dots and organic molecules as basis material. Of special interest are the properties of semiconductor quantum dots and their modification due to the coupling of quantum dots from …
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Use of organocatalysts in stereoselective organic synthesis
… Cyclobutanone derivatives are useful molecular building blocks for the construction of complex molecular structures. Surprisingly, however, the use of organocatalysts to functionalize cyclobutanones is rare, especially when the substrate bears substituents. In this thesis, we present …
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Polymers containing calix[4]arenes and triptycenes : new syntheses, properties and applications
… methods for making polymers with complex molecular structures. Calix[4]arenes and triptycenes are the two major molecular building blocks for constructing the functional polymers. Unusual properties, with the emphasis on mechanical and sensory properties, are demonstrated. In Chapter 2, …
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Two-dimensional molecular self-assemblies on surfaces studied by low-temperature scanning tunneling microscopy
Supramolecular self-assembly on surfaces is a promising bottom-up approach to fabricate two-dimensional (2D) molecular nanostructures over macroscopic areas. In our studies, a wide range of 2D molecular self-assemblies on surfaces and their formations of regular supramolecular arrays were …
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Synthesis of oligonucleotide analogues for use in DNA nanostructures
… platform on a grid of addressable molecular building blocks using DNA<br/>node structures, DNA complexes need to be fixed onto surfaces. To fulfil this<br/>requirement on lipid membranes, phosphoramidites monomers modified with a<br/>cholesterol moiety and a spacer unit were …
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Investigation of chiral porphyrin aggregates with heterodyne-detected vibrational sum frequency generation spectroscopy
… the precise arrangement of the reaction centers' molecular building blocks. Further knowledge of the relationship between structure and function in these natural systems is key to advancing synthetic solar technologies like dye-sensitized solar cells and artificial photosynthesis. Photosynthetic …
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THE ROLE OF CGI-58/ABHD5 IN LIPID METABOLISM, INFLAMMATION, AND INSULIN ACTION
… normally store lipids as a source of energy, molecular building blocks, and signaling molecules. Under conditions of excess caloric storage such as obesity, lipids can accumulate to harmful levels and lead to inflammation and metabolic diseases like fatty liver and diabetes. In 2001, a novel …
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Toward the Synthesis of Designed Metal-Organic Materials
… and transportation. Design approaches based on building blocks provide a means to conquer the challenge of constructing premeditated solid-state materials. Single-metal ion-based molecular building blocks, MNx(CO2)y+x, constructed from heterochelating ligands offer a new route to rigid and …
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Stochastic dynamics of cell adhesion in hydrodynamic flow
… is mediated by weak bonds between complementary molecular building blocks which are either located on the cell surface (receptors) or attached to the bottom plate of the flow chamber (ligands). The model system under consideration is a hard sphere covered with receptors moving above a planar …
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Solid-Binding Peptides Enable Biomolecular Surface Assemblies and Mineralization
… for solids with the purpose of using them as molecular building blocks in materials synthesis, assembly, and formation. As part of developing these tools for biotechnology, solid-binding peptides found via several methods were used in a variety of proof-of-principle applications. The research …
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Surface conjugation of upconversion nanoparticles via supramolecular host-guest self-assembly
… example: while it delivers a great promise as molecular probes, sensors, drug carriers and light transducers for a library of application in the area of biological and physical science. However, the hydrophobic surface of UCNPs, sometimes, is one of the main challenges for further applications, …
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Anilate-based Functional Molecular Materials with Conducting and Magnetic Properties
… of novel anilate-based functional molecular materials showing magnetic and conducting properties. The family of anilate ligands comprises several derivatives obtained by introducing various substituents (H, F, Cl, Br, I, CN, Me, NO2, etc.) at the 3 and 6 positions of a common …
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Investigating New Guaiazulenes and Diketopyrropyrroles for Photonic Applications
… (ODS), among others. As a result, several molecular building blocks have been designed, allowing new frontiers to be realized. While various successful building blocks have been fine-tuned at both the electronic and molecular structure level to provide advanced photophysical and …
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S-Schichtproteine als molekulare Bausteine zur Funktionalisierung mikroelektronischer Sensorstrukturen
… layer proteins (S-layer proteins) can be used as molecular building blocks for the functionalisation of technically-used surfaces. For example, the proteins serve as templates for the production of well-defined patterns or provide binding sites for material synthesis at nanoscale. In this thesis, …
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Linear Conjugated Molecular Wires: Organic Materials and Single-Molecule Electronics
… relationship between the intrinsic molecular properties of the bridging organic wire and the performance of their single-molecule junctions. The electrical as well as mechanical characteristics of single-molecular junctions were measured using the scanning tunneling-based break …
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