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 251 for “"Spatially resolved"”.
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Spatially-resolved reflectance spectroscopy with variable fiber geometry
… the collection angles of fiber probes to achieve spatially-selective reflectance from the epithelial layers, which is particularly pertinent to the diagnosis of early dysplastic transformation occurring at superficial depths. By testing angularly-variable fiber geometry on layered tissue phantoms, …
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Spatially resolved investigations and modelling of SCR/DPF
… of this research project is to use combined spatially resolved experimental and numerical techniques to investigate the behavior of SCR/DPFs. The initial stages of the experimental aspect of the project will make use of the SpaciMS mass spectrometer available in the Chemical Engineering …
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Spatially resolved ionic measurements with scanning electrochemical microscopy
Modern electrochemical energy storage systems operate by the concerted shuttling of electrons and cations between a cathode and an anode. Strategies for looking at this process do not have a direct measure of ion movement as it occurs, and thus do not provide essential mechanistic details for …
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Spatially-resolved studies of nearby star-forming galaxies
Spatially-resolved studies of nearby star-forming galaxies are essential to understand various physical and chemical phenomena at play in the interstellar medium in the galaxies, and consequently to obtain a comprehensive picture of galaxy formation and evolution. In this thesis, I perform …
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Spatially resolved light propagation in tissue-like media
… Alzheimer's disease non-invasively in vivo using spatially resolved nearinfrared (NIR) spectroscopy. Alzheimer's disease is one of the most common forms of senile dementia occurring in the elderly population, and at present has no cure. The first step in developing a monitoring instrument involves …
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Spatially resolved technique for the measurement of fluorine radicals
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-05-01
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Direct Computations of Spatially Resolved Viscoelastic Moduli of Biomolecular Condensates
<p>Biomolecular condensates are viscoelastic materials formed by liquid-liquid phase separations (LLPS) of biopolymers. In this study, we develop a modified graph Laplacian-based collective model to characterize viscoelastic heterogeneity within condensates based on results of lattice-based …
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Spatially resolved star formation and quenching: insights from observations and simulations
… 2 to z ~ 0. To do so, it is crucial to study the spatially resolved star formation activity of galaxies across a broad range of star-forming states - from those above to below the star-forming main sequence (SFMS). In this thesis, I use the Middle Ages Galaxy Properties with Integral Field …
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Spatially resolved star formation and quenching: insights from observations and simulations
… 2 to z ~ 0. To do so, it is crucial to study the spatially resolved star formation activity of galaxies across a broad range of star-forming states - from those above to below the star-forming main sequence (SFMS). In this thesis, I use the Middle Ages Galaxy Properties with Integral Field …
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Spatially resolved study of the molecular isotopologue 13CO in nearby galaxies
… dominant role in R variations on kpc scales. The resolved R is also insensitive to temperature and velocity dispersion. A changing gas density that impacts the opacity and R could account for the general trends we observe on kpc scales. Detailed diagnostics of the properties of molecular ISM will …
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The Scatter Dependence of the Spatially-Resolved Star Formation Main Sequence Relation
The scatter of the spatially-resolved star formation main sequence (SFMS) is investigated in order to reveal signatures about processes of galaxy formation and evolution. We have assembled a sample of 355 nearby galaxies with spatially-resolved Hα and mid-infrared fluxes from the Survey for Ionized …
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A New Spatially-Resolved Method to Sample Biofilms from Drinking Water Fountains
A drinking fountain, also called a water fountain, is a facility designed to provide drinking water in public space. It consists of a basin and a spout. The users need to bend down to the stream to collect or drink water. The history of water fountains can be traced back to ancient Rome. Even …
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Spatially resolved life cycle models for the environmental footprint of electricity generation
Electricity generation has significant environmental impacts, including on regional air quality, greenhouse gas emissions, and water availability. Modeling the overall environmental impact of electricity generation requires linked simulations of power generation, air pollution physics and …
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Spatially-resolved multiomic profiling of the human heart in adulthood and development
… diversity and function by generating two spatially-resolved cell atlases, encompassing the heart in adulthood and development. Chapter 1 summarises cardiac development, cardiac innervation, and the cardiac conduction system, before providing a brief review of the strengths and weaknesses …
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Multiplexed, scalable, and functionality compatible platforms for 3D spatially resolved proteomic profiling
… technology for the unfulfilled aim of spatially resolved functional detection. To address these challenges, two projects were implemented during my PhD to improve the volumetric scalability, multiplexing capacity, and the possibility of spatially resolved functional detection of spatial …
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Spatially-resolved transcriptomic mapping in live cells using peroxidase-mediated proximity biotinylation
… APEX-RIP combines peroxidase-catalyzed, spatially restricted in situ protein biotinylation with RNA-protein chemical crosslinking, while APEX-Seq utilizes peroxidase-catalyzed in situ biotinylation on RNA. We demonstrated that APEX-RIP can isolate RNAs from a variety of subcellular …
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Spatially Resolved Equivalence Ratio Measurements Using Tomographic Reconstruction of OH*/CH* Chemiluminescence
… flame chemiluminescence emissions allows for 3D spatially resolved flame measurements to be acquired using a series of integral projections (camera images). High resolution tomography reconstructions require a selection of projection angles around the flame, while captured chemiluminescence of …
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Spatially Resolved Heat Transfer Studies in Louvered Fins for Compact Heat Exchangers
Understanding the mechanisms that serve to increase heat transfer provides valuable knowledge to minimize the size and maximize the performance of compact heat exchangers. This document presents a detailed experimental heat transfer study of six scaled up louvered fin geometries that are typical of …
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Investigation of the effects of colloidal suspension properties on spatially resolved diffuse reflectance
… scattering properties extracted from a novel spatially and angularly resolved diffuse reflectance measurement (SAR-DRM) is proposed. This approach incorporates Mie theory and particle size distribution function, followed by Farrell's diffuse approximation to model specified reflectance signal. …
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Investigating the role of ionised outflows in galactic evolution through spatially resolved spectroscopy
How feedback mechanisms trigger, regulate and suppress star formation in galaxies remains one of the main questions in astronomy today. Theoretical models and cosmological simulations of galaxy formation and evolution frequently employ feedback mechanisms from active galactic nuclei (AGN) and …
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