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 304 for “"structural characterization"”.
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Structural characterization of synaptotagmin I
… I C2AB structure, we see evidence of a domain structural change in the absence of Ca2+. Analysis of interacting residues between C2A and C2B show a network of highly conserved residues within the C2 domain that regulates Ca+2/phohspholipid binding in C2A. Analysis of the Syt I C2A structure, as …
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Structural characterization of multimetallic nanoparticles
… catalytic activities due to their unique structural properties. Using <em>in situ</em> time-resolved synchrotron based x-ray diffraction, we investigated the structural properties of nanoscale catalysts undergoing various heat treatments. Thermal treatment brings about changes in particle …
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Structural characterization of sports supplement market
… purpose, a systematic literature review and a structural analysis of descriptive scope were used with the help of seven experts knowledgeable about the industry and the MICMAC structural characterization software. The results present as key variables of the system the economic development of …
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Structural Characterization And Bioactivity Of Cranberry Oligosaccharides
Complex carbohydrates from plant sources, such as the fruits of cranberry (Vaccinium macrocarpon Aiton), promote human health in a variety of ways. However, complete studies of carbohydrate function often hinge on a detailed understanding and thorough elucidation of the chemical structure. Several …
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Structural Characterization of the Flavonoid Enzyme Complex
… The goal of the work presented here was to structurally characterize a series of loss-of-function chalcone synthase (CHS) alleles and to define the molecular basis of the interaction between CHS and the second enzyme of flavonoid biosynthesis, chalcone isomerase (CHI). CHS proteins encoded …
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Structural characterization and bacterial degradation of marine carbohydrates
… spectroscopy was used to check for selective structural alterations (such as preferential cleavage of specific linkage types or positions) of the substrates. A series of enrichment experiments showed that mixed cultures of marine bacteria distinguish even between small, very closely-related …
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Structural characterization of G-Quadruplexes within duplex DNA
… Further work is needed to establish if these structural folding trends are consistent in the double-stranded (ds) DNA context. Limited studies in this area have occurred due to the lack of available methodologies for characterizing these GQ structures within a duplex DNA context (i.e. a GQ …
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Structural characterization and bacterial degradation of marine carbohydrates
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1993.
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Structural characterization of polyurethane foam and implications of aging
… during processing. In this thesis, chemical and structural analysis of ReCrete processed at 25°C and 85°C were performed using photoacoustic infrared spectroscopy, IR imaging, and thermal analysis. The change in modulus was related to thermal decomposition of uretoneimine linkages in the …
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Structural Characterization and Phase Behavior in Supported Metallic Nanoparticles
The reductive condensation of a carbon-supported molecular cluster precursor, PtRu5C(CO)16, into a bimetallic nanoparticle has been followed by using in-situ extended X-ray absorption fine structure spectroscopy, temperature programmed desorption, and scanning-transmission electron microscopy. The …
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Structural characterization and optical transmission studies of vanadate glasses
"Structural characterization and optical transmission studies have been carried out on vanadate glasses based on the system V205-P205 in the range 70.0-87.5 mole % V205 0 The optical studies are compared with other studies of crystalline V205, and additional transmission measurements on V20 S were …
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Energetic Considerations and Structural Characterization of Twinning in Nanowires
… was used to demonstrate twinning is a general structural feature of the growth of gold nanowires growing in a <111> direction. A model was proposed to explain the conditions under which twinning is energetically favored during nanowire growth. The model, which is based on a maximum rate …
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Structural Characterization and Chemical Inhibition of the ARNT/TACC3 Complex
… details of this protein complex and providing a structural funcation for coactivator recruitment in HIF signaling pathway. The second half of this study focuses on the search for ARNT/TACC3 inhibitors with in vitro screens to regulate ARNT/CCCs activity in a rapid and flexible way. From a …
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Biochemical and Structural Characterization of the Atg8/LC3 Lipidation Pathway
Atg8 and its eukaryotic orthologues LC3 and GARBARAP family proteins (referred here to Atg8 family proteins) play crucial roles in autophagy through their covalent ligation to lipids, typically phosphatidylethanolamine (PE), in a process known as lipidation. Lipidation of Atg8 family proteins …
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STRUCTURAL CHARACTERIZATION OF THE PUMA DIAPIR, GULF OF MEXICO BASIN
… for petroleum accumulations to be met, a complex structural framework is present. This framework results from the asymmetric spreading of the North American Plate from the Yucatan block crating the GOM basin we see today, coupled with Jurassic Louann Salt deposits precipitated throughout the …
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Structural characterization of the Voltage-Dependent Selective Anion Channels (VDACs)
Cysteine and methionine residues are unique amino acids in proteins for their property to undergo several redox reactions as part of their normal function. Mitochondria are the cell source of most chemical energy obtained as the end-product of the aerobic oxidation of glucose. Mitochondria are also …
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Biochemical and towards structural characterization of RAD51 and RAD51AP1 complexes
All living organisms must maintain accurate functioning and propagation of their genetic information. This is under persistent threat from DNA damaging events arising from cellular processes or exposure to DNA damaging agents. Amongst the most toxic forms of DNA damage are DNA double-strand breaks …
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Optical and structural characterization of crystalline oxides for laser applications
… the aim of this study concerns the optical and structural characterization of crystalline oxides for laser application, with the prospective of enhancing efficiency and tunability of solid state lasers, and the experimentation of new materials able to meet specific technological purposes. The …
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Functional and structural characterization of the macaque Middle face patch
The middle face patch is a region of cortex in the ventral visual pathway of the Inferior Temporal lobe in the macaque brain. This region has been identified by functional MRI to respond preferentially to images of faces over non-face images, similar to functionally defined face selective regions …
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