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 17 of 17 for “"Plan As (thesis-based master's degrees)"”.
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Characterizing the role of ATP-binding cassette transporters in triterpenoid wax bloom production
Some plants have developed lineage-specific mechanisms to increase water retention during drought conditions, including thick epicuticular wax coatings called wax blooms. However, the process underlying synthesis and especially the transport of wax bloom compounds to the leaf surface have yet to be …
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Temporal Change in Community Composition, Ecological Niche, and Phenotypic Selection in Minnesota’s Rare Arctic Relict Plants
Rare, arctic relict plant populations of Minnesota, found in the cool and moist microclimate produced along the cold waters of Lake Superior, face an uncertain future due to anthropogenic climate change. In this study, we used a variety of approaches to examine the contemporary impacts of climate …
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Use Of Multi-Gear Sampling To Improve Abundance Estimates Of Demersal Coregonids In The Laurentian Great Lakes
Demersal species such as Bloater (Coregonus hoyi), Shortjaw Cisco (Coregonus zenithicus), Lake Whitefish (Coregonus clupeaformis) and Round Whitefish (Prosopium cylindraceum) play a vital role in both the Laurentian Great Lakes food webs and the commercial fishing industry. Hydroacoustic sampling …
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Analysis of Contaminants on Ground Glass Pozzolan and the Effects on Pozzolan Performance in Mortar
Using ground glass pozzolan as a replacement for portland cement can reduce the CO2 emissions associated with concrete production and utilize waste glass that would otherwise end up in landfills. In the United States, municipal solid waste (MSW) stream recycling operations collect plastic, glass, …
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Multilevel Buck Converter Topologies and Their Applications
… conventional buck converters in some specific areas. In this thesis, novel multilevel buck topologies are proposed to meet the specific requirements of two particular applications respectively. In case I, a two-stage power conversion structure for high-voltage, relatively low-current application, …
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Diel and horizontal patterns in the densities of Bythotrephes, Chaoborus, and Leptodora in a Minnesota Reservoir
… simultaneous distributions of three invertebrate planktonic predators—Bythotrephes cederstroemii, Chaoborus punctipennis, and Leptodora kindtii—in one system can help describe food web dynamics and inform management decisions. The population densities of these three species were examined in a …
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Past precipitation, watershed characteristics, and drought: interactive effects on watersheds of Northern California.
… aquatic species. Watershed properties, such as aspect, elevation, soil type, vegetation composition, and stand age, are known to impact runoff through differences in evapotranspiration and storage. Drought may further change the hydrological function, or precipitation-runoff relationship of a …
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Optimizing a long-term monitoring program to track toxic cyanobacteria blooms in a Great Lakes estuary
… harmful algal blooms (cHABs) have become increasingly frequent and severe in the St. Louis River Estuary (SLRE) since 2018. Given the novelty of cHABs in the SLRE, the locations, timing, and environmental conditions associated with past cHABs have remained largely unknown, complicating efforts …
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Fibronectin and Laminin, extracellular matrix proteins, have an origin in mesoderm tissue and promote anterior neural tube closure in zebrafish
… NTD causes life-threatening birth defects such as anencephaly, spina bifida, and craniorachischisis. Work from several laboratories has demonstrated that mesoderm is required for anterior neural tube closure in mice and zebrafish. In all vertebrates, there is an extracellular matrix between the …
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Biological Iron Limitation within Lake Superior's Watershed: Oligotrophic Algal Blooms Along a Land to Lake Gradient
… amounts of freshwater literature highlight phytoplankton iron limitation in systems of varying hydrology and trophic status. Furthermore, global trends of increased dissolved iron in lakes could play an important role in relieving iron limitation. Concurrent rises in oligotrophic harmful algal …
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Characterizing spatial and temporal trends in fish community diversity in the inland lakes of Isle Royale, MI, USA
… an opportunity to explore how fish diversity has natural shifted with minimal confounding effects. I analyzed fish assemblages of 23 lakes sampled in the 1920s, 1990s, and 2020s to 1) assess temporal shifts in species richness and composition 2) identify lakes and species experiencing the most …
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Annotating and Automatically Extracting Task Descriptions from Shared Task Overview Papers in Natural Language Processing Domains
… rate of scientific literature makes it increasingly difficult for researchers to keep up with developments in their field. This is a problem that can be addressed by structuring academic papers according to information units that go deeper than keywords. The need to efficiently structure …
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Exploring the Effects of Breathing Exercises with a Humanoid Robot on Cognitive Functioning
… behind this research stems from the increasing interest in non-pharmacological interventions to enhance cognitive abilities. Breathing exercises have been shown to have various benefits, including reducing anxiety and improving mental clarity. However, the impact of robot-guided breathing …
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Characterization of Nanoporous Polyvinylidene Fluoride (PVDF) Sensors under Tensile Loading
… in biologic medical and electrical applications, as fluorocarbon coatings and other areas. They have shown thriving prospects in the ongoing research and commercialization process. To improve the material’s piezoelectricity, a Polyvinylidene Fluoride (PVDF) sensor with integrating nanoporous …
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Caregiver connect: a mobile application for stress tracking anddelivering support for dementia caregivers
… this population. Additionally, this population aso endures worse physical health outcomes than non-caregivers. In response to the complex challenges of dementia caregivers, this study presents thedesign and deployment of a specialized mobile application tailored to address their specific needs. …
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Smart E-Textiles Integrated into Human Health Monitoring Systems
E-textiles, broadly defined as any textile that has electronic capabilities, are becoming the future of portable, wearable electronics for human performance and health monitoring. There are many applications of e-textiles in the health monitoring industry, where early detection and prevention of …
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Using Water Budgets and Isotope Analysis to Explore Water Availability in Low Flow Conditions: Hartley Pond Case Study
Quantifying seasonal changes to the volume and timing of water flowing through a reservoir provides valuable information for responsible resource management. Hartley Pond is a reservoir in Duluth, Minnesota, that is formed by a dam on Tischer Creek. Solar forcing to the reservoir elevates the …