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 102 for “"Topo"”.
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Tohoku Topo-Urbanism : oblique community form in post-Tsunami Japan
Tohoku Topo-Urbanism explores the potential inhabitation of the oblique as an alternative model of community form and resilient reconstruction in Post-Tsunami Japan. In its wake, the 2011 Tsunami left a redefined landscape and enormous questions about the future of people and place. Since then, the …
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Avaliação do ciclo térmico no revenido de arames de aço ao carbono soldados a topo por resistência elétrica
O presente projeto tem por objetivo a avaliação do ciclo térmico do revenido de amostras de arames previamente soldados utilizados em armaduras de umbilicais. Arames soldados de 3,6 mm de diâmetro foram furados fazendo uso de uma broca de 1,6 mm em direção transversal com profundidades de 0,5; 1,8 …
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Mechanistic Characterization of the Mitochondrial Type I DNA Topoisomerase and a Study of Genes Containing Type I DNA Topoisomerase-Related Domains
<p>The mitochondrial type I DNA topoisomerase (mt-topo I) serves an important function in the mitochondrion by relaxing mtDNA supercoils to allow for replication of the mitochondrial genome as well as for gene expression. The mt-topo I's role in essential processes, such as replication and …
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Assessing fetal topoisomerase IIα as a mechanism of in utero benzene toxicity in generating double-stranded DNA damage in CD-1 mice
… inhibits the critical DNA repair enzyme topoisomerase IIα (topo IIα) and is hypothesized to initiate leukemias through the generation of double stranded DNA (dsDNA) breaks in hematopoietic cells. My research examines the role of topo IIα as a target of benzene toxicity to generate dsDNA …
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Dynamics of human DNA Topoisomerases I and II
… with a stable expression of bio-fluorescent topo II and topo I. This was successfully achieved using a bicistronic vector system. Control experiments showed that proteins of expected size were expressed, and that GFP-tagged topos I, IIa, and IIb were active in the cells and fully integrated …
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Generation and Characterization of dszB Mutants from Nocardia asteroides A3H1
… from A3H1 was successfully cloned into the pBAD TOPO® and pBAD TOPO®/ThioFusion expression vectors. Cloning efficiency of the wildtype gene into the pBAD TOPO® vector was 86%. The in vitro directed evolution of DszB was initiated using error-prone PCR. An asexual dszB mutant library was generated …
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Anatomia de um crime ambiental
… Áreas de Preservação Permanente – APPs. A APP de topo de morro foi aquela categoria cujos critérios de demarcação foram drasticamente alterados. Assim, torna-se necessário contrapor a nova lei florestal ao Código Florestal revogado (Lei 4.771/1965), para verificar as implicações decorrentes para a …
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role of NF-<i>k</i>B signaling in multiple myeloma
… region was PCR amplified and cloned into pCR 2.1 TOPO vector using One Shot® Chemically Competent E. coli. After confirmation of the clone through polymerase chain reaction (PCR) and restriction analysis, BMF promoter (2.5 Kb) was released from TOPO vector and subcloned into pGL3 promoter vector. …
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Synthesis of organically capped and water soluble metal sulfide semiconductor nanoparticles
… formed. When the capping group was changed to TOPO, predominantly rod shaped particles were obtained. The growth mechanism for the anisotropic HDA capped PbS is mostly likely due an oriented attachment mechanism. The formation of the rod shaped TOPO capped PbS is due to the impurities in TOPO. …
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Variabilidade radial e longitudinal de propriedades da madeira de angico-vermelho (Anadenanthera peregrina (L.) Speg.)
… foram observadas entre as toras, no sentido base-topo, na maioria das propriedades estudadas. Observou-se uma tendência de aumento do comprimento de fibras, espessura de parede, massa específica básica e aparente, contração tangencial, contração radial, contração volumétrica, resistência à …
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Linker Histone Medicated Regulation of Mitotic Chromosome Compaction and Individualization
… Recent studies have shown how condensins and DNA topoisomerase II organize the mitotic chromosome. However, the regulation of these factors in maintaining proper chromosome size in different cell types remains a mystery. Here, I investigated the role of the linker histone variant H1.8 in …
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Toxicidade genética das antraciclinas : associação entre estrutura química e ação inibitória sobre a topoisomerase II
… de compostos está relacionada à inibição da topoisomerase II (topo II) – uma enzima que atua no relaxamento da supertorção da dupla hélice de DNA, através da quebra e posterior religação de suas fitas - as diferenças observadas podem ser atribuídas ao mecanismo envolvido neste bloqueio …
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Liquid-liquid extraction of rare earth elements from sulfuric acid
… addition, the synergistic effect of using TBP, TOPO and D2EHPA and the optimum conditions for the stripping process are deten-nined. Chapter 3 contains introduction to cerium chemistry and recent developments in cerium extraction chemistry. The optimum conditions for solvent extraction of …
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Luminescent Semiconductor Quantum Dots (QDs) and Their Nanoassemblies as Bioprobes
… and trioctylphosphine oxide/trioctylphosphine (TOPO/TOP). Transmission electron microscope (TEM), X-ray diffraction (XRD), UV-VIS, fluorescence spectroscopy and microscopy were used to characterize the QDs and their nanoassemblies. CdS QDs synthesized in reverse micelles showed broad emission …
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Effect of Quantum Dots, Novel Biological Imaging Agents, in Liver Cells in Vitro
… and poly (maleic anhydride-alt-1-tetradecene (TOPO-PMAT)) which is functionalized with carboxylic acid groups were used to investigate their toxic effect in mouse liver cells. The cells were treated with 2 nM, 20 nM and 40 nM of QDs for a 24 -hour period and assays were performed to determine …
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Transferência de Carga de Estacas Hélice Contínua Instrumentadas em Profundidade
… obtidos com as instrumentações instaladas no topo e ao longo do fuste das estacas, com determinação das parcelas de carga por atrito lateral e de ponta. Foi verificado que as estacas hélice contínua desta pesquisa transferiram a maior parte da carga aplicada no topo por atrito lateral, e duas …
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Estilos e perfis de líderes intermédios na escola com funções de avaliação de desempenho docente
… ou mesmo, imposições feitas pelo líder de topo (ou Lei), ou seja, estilo de liderança foi diretamente ligado à forma como se exerceu o cargo. E perfil de liderança foi relacionado predominantemente com as características profissionais/académicas existentes/exigidas, ou seja, com a definição …
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Modern Fair-Weather and Storm Sediment Transport Around Ship Island, Mississippi: Implications for Coastal Habitats and Restoration Efforts
… 2004 subaerial island volume was lost from the topo/bathy system. Only 1/5 of this volume was recovered between 2007 and 2010. The island returned to a net sediment loss between 2010 and 2012, although island area continued to increase. This highlights the importance of full topo/bathy datasets …
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Synthesis, Characterisation and Functionalisation of CdSe Quantum Dots
… presence of many NMR active species in CdSe TOP/TOPO QDs viz., 113Cd, 77Se, 13C, 31P, 77S and 1H solid-state nuclear magnetic resonance spectroscopy (SS-NMR) was used to investigate the interaction of the organic capping agent and the QD core. High-quality TOP/TOPO capped CdSe QDs displaying a …
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Colloidal CdSe quantum nanowires: Synthesis, photo-induced photoluminescence enhancement and fabrication of core/shell, water-dispersible structures
… wires. The effects of the impurities of solvent TOPO during the synthesis were also explored. Photo-induced photoluminescence enhancement phenomenon is observed and studied for the CdSe nanowires. The quantum yield of the ensemble CdSe quantum wires can reach up to 10% after photo-enhanced. …
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