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 59 for “"Cellular morphology"”.
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Electrical synapses: cellular morphology and identification of connexins in the mouse retina
Das Ziel meiner Dissertation war die Zahl der deplatzierten Amakrinzelltypen (DAZ), die Identifikation der Cx45-exprimierenden Amakrinzellen (AZ) und Cx30.2-exprimierenden Ganglienzellen (GZ) zu erforschen. Außerdem wurde die Lokalisation von Cx57 in den Horizontalzellen (HZ) untersucht. Gefunden …
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The effects of colibacillinum and co-trimoxazole on the growth and cellular morphology of Escherichia coli
Dissertation submitted in partial compliance with the requirements for the Master's Diploma in Technology: Homoeopathy, Technikon Natal, Durban, South Africa, 1995.
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Effect of Lipid Modification on Transformation - Associated Properties and Viral Membrane Assembly
… phospholipid and fatty acid composition of the cellular membranes in chicken embryo fibroblasts. We have used this technique to study the effect of lipid modification on various parameters associated with transformation in tissue culture. Lipid supplementation had a variety of effects on …
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Mapping the Cellular Landscape of the Brain: A Scalable Approach to Comprehensive Microscopy Data Analysis
… generation of whole brain microscopy data at subcellular resolution, revealing intricate morphological details of cells at unprecedented scales. Given that cellular morphology is strongly linked to distinct functional states of cells, in-depth morphological analysis of such data offers immense …
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Saturation and foaming of thermoplastic nanocomposites using supercritical CO2.
… microscopy to determine effect of MLS on cellular morphology. Differential scanning calorimetry was used to determine the impact of nanocomposite microstructure on glass transition of the foamed polymer. X-ray diffraction spectra suggested that the PS/MLS composite had an intercalated …
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Investigation of relative expression level of SLC4 bicarbonate transporter family in mouse and Human corneal endothelial cells
… in late cultures is co-incident with altered cellular morphology and calls for further study to explore the possible link between SLC4 gene expression and possible endothelial mesenchymal transition.
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The characterisation of family-13 kinesins in Trypanosoma brucei
… six kinesins studied, but no gross changes in cellular morphology were observed. The distinct localisation of five Kinesin-13 family members outside the nucleus suggests that the functional diversity of the Kinesin-13 family is larger than previously thought.
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Genetic analysis of the maintenance of neuronal morphology in Drosophila melanogaster
Precise control of cellular morphology is critical for both the development and maintenance of nervous systems. In the developing Drosophila eye, normal photoreceptor cells establish and maintain a highly polarized architecture, with cell bodies and nuclei located apically in the epithelium, and …
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Regulatio of actin cytoskeleton by TIS21 vi downregulating reactive oxygen species (ROS) in the doxorubicin-induced premature senescenc
… genes and has been implicated in various cellular processes including cell cycle progression, differentiation and apoptosis. Cellular senescence is an irreversible arrest of proliferation, which is induced by replicative cell division (replicative senescence) or stress (stress induced …
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Novel methods for recording and reconstructing images in digital holographic microscopy
… techniques that can enhance the contrast of subcellular features without the need for labeling. Examples include phase contrast, differential interference microscopy, dark field microscopy, and Rheinberg illumination. However, these techniques are qualitative in nature and do not provide any …
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<i>Dictyostelium discoideum</i> Protein Kinase C-orthologue <i>pkcA</i> Regulates the Actin Cytoskeleton through Interaction with Phospholipase D and p21-activated Kinase
… of the actin cytoskeleton is crucial to many cellular processes. Many of these processes are regulated by extracellular signaling cues, which direct changes in the actin cytoskeleton, resulting in changes to cellular morphology, and directed motility. The social amoeba, Dictyostelium …
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The Function of Phosphatidylinositol 4-Kinase III-Beta in Trypanosoma Brucei
… in inhibition of cell growth and a distorted cellular morphology. Immunofluorescence studies revealed a distorted Golgi apparatus and mislocalization of lysosomal and flagellar pocket proteins. Ultrastructural analysis reveals internal accumulation of a heterogeneous population of vesicles, …
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The Effect of Chronic Hypertension on Neuropathology in the TGSWDI Mouse Model of Alzheimer's Disease
… increased presence of these structures altered cellular morphology at the neurovascular unit and compromised the blood brain barrier in hypertensive mice. Additionally, midlife hypertension induced hippocampal neurodegeneration at an early age in TgSwDI mice. Neuronal loss is a defining …
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Inactivation of foodborne pathogens by fruit wines
… peach and cherry wine revealed differences in cellular morphology, specifically reduction in cell size, holes in the cell wall and membrane disruption that appeared to have caused leakage of intracellular contents.
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Passive transport through biological membranes
… organisms are compartmented into cells via cellular walls made of lipid membranes. Through the wall the cell needs to transport nutrients, waste, genetic information and signaling molecules. The cell achieves this task via passive and active transport. In this thesis we focus on passive …
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Computational imaging and analysis in breast cancer
… in incorrect diagnoses or treatment. Because cellular morphology is an integrated reflection of genetic and epigenetic expression, we hypothesize that a more accurate quantitative accounting and measurement of histologic features can provide a more robust and reliable prediction of tumor …
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COMBINATORIAL DEVELOPMENT OF NANOSTRUCTURED MATERIAL LIBRARIES FOR THE STUDY OF CELL SUBSTRATE INTERACTION
An in vivo cellular microenvironment in which cells are immobilized contribute an essential role in diverse cellular behavior, consisting of cellular morphology, dynamics and eventually cellular fate. Micro and nanofabrication tools widely used to mimic the in vivo surrounding to manipulate …
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Advanced optical microscopy toolkits for non-invasive imaging in oncology
… and monitoring of the complex heterogeneity of cellular populations within tumors. To study such dynamics at the microscale, non-invasive optical toolkits offer the potential to identify, characterize, and visualize key molecules and their interactions in their native biological context, ranging …
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Mechanisms of Cell Nucleation, Growth, and Coarsening in Plastic Foaming: Theory, Simulation, and Experiment
… and coarsening phenomena, and ultimately the cellular morphology, involve delicate thermodynamic, kinetic, and rheological mechanisms, the production of plastics foams with customized cell morphology have been challenging. In light of this, the aforementioned phenomena were investigated …
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