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 105 for “"PFAS"”.
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Studium toxicity PFAS s využitím řas
PFAS (perfluoroalkyl and polyfluoroalkyl substances) are synthetic perfluorinated and polyfluorinated alkyl compounds. There are up to several thousand PFAS compounds and they are found in every biosphere of the Earth. These substances are of concern as they have been shown to be toxic for many …
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PFAS and the Future of Rural Land
In this thesis, I will explain how the problem of PFAS chemical contamination on farmland in the United States emerges from and connects with other environmental, agricultural and economic challenges in rural areas. Using Maine as a case study, I will evaluate the policy response that took place in …
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Acetylene Functionalized Photocatalytic COFs for PFAS Adsorption and Degradation
… with per- and polyfluoroalkyl substances (PFAS) due to the strong binding between fluorine and carbon atoms. The challenge is designing COFs that include electron-rich rings with a suitable pore size to absorb and degrade the contaminants. Herein, we demonstrate the novel synthesis of a …
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Biological and bioelectrochemical defluorination of per- and polyfluoroalkyl substances (PFAS)
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2024-08-01
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Matrix Effects on Electrochemical Oxidation of PFAS in Real Wastewater Systems
Per- and polyfluoroalkyl substances (PFAS) are persistent environmental contaminants of increasing global concern due to their chemical stability, mobility, and resistance to degradation in conventional water treatment processes. Electrochemical oxidation has emerged as a promising technique for …
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Understanding the nonaqueous partitioning of per- and poly-fluoroalkyl substances (PFAS)
Per- and polyfluoroalkyl substances (PFAS) are emerging contaminants that have been extensively used as firefighting agents and released to the environment, accumulating in waters, soils, and the atmosphere. PFAS are known to bioaccumulate, leading to adverse health outcomes. Therefore, …
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Evaluation of PFAS in Environmental Solids: Retention Devices and a Screening Method
Per- and polyfluoroalkyl substances (PFAS) present a threat to global ecosystems and human health due to their ubiquitous use and unique physicochemical properties. Through direct and indirect emissions, PFAS can end up in soil which serves as both a reservoir and a source of further contamination. …
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Identification of Metabolic Markers as Potential Early Predictors of PFAS- Induced Immunotoxicity
… known as per- and polyfluoroalkyl substances (PFAS). They can be found in consumer products such as clothing, food packaging, cookware, cosmetics, carpet, and fire-fighting foam. PFAS are often referred to as “forever chemicals” because they break down very slowly and can accumulate in people, …
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A Computational Approach to Efficient Electrode Material Design for Electrochemical Oxidation of PFAS
Per- and polyfluoroalkyl substances (PFAS) are persistent contaminants of growing environmental concern due to their strong carbon-fluorine bonds and resistance to conventional degradation methods. Among destructive treatment technologies, electrochemical advanced oxidation processes (EAOP) have …
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Removal of Per- and Poly-fluoroalkyl Substances (PFAS) from Water: A Computational Approach
Per- and polyfluoroalkyl substances (PFAS) are persistent synthetic compounds widely detected in the environment due to the exceptional stability of the carbon–fluorine bond, posing significant risks to human health and ecosystems. This dissertation develops a multiscale framework for PFAS …
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Transport of Per- and Polyfluoroalkyl Substances (PFAS) at a Managed Aquifer Recharge Site
… of selected per- and polyfluoroalkyl substances (PFAS) in groundwater at the SRC. The transport of seven PFAS detected at the SRC is examined in this study: perfluorobutanoic acid (PFBA), perfluorobutane sulfonic acid (PFBS), perfluoropentanoic acid (PFPeA), perfluorohexanoic acid (PFHxA), …
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TOWARD SUSTAINABLE CHEMICAL SUBSTANCES: DEVELOPMENT OF NOVEL APPROACH METHODOLOGIES TO STUDY IMMUNOTOXICITY OF PFAS
… questi, le sostanze per- e polifluoroalchiliche (PFAS) sono una vasta classe di sostanze chimiche di sintesi con proprietà di persistenza e bioaccumulo, in grado di rappresentare un rischio significativo per la salute. Questa ricerca ha avuto lo scopo di colmare importanti lacune nella …
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Harnessing redox electro-sorbents and reactive separations for efficient PFAS remediation in water systems
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-02-04 without embargo terms
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Design of a Portable Device to Detect Per- and Polyfluoroalkyl Substances (PFAS) in Water
PFAS or per- and polyfluoroalkyl substances are a group of man made chemicals used since the 1940s. The chemicals are highly stable and build up in the environment and organic systems. They can also cause several health problems in humans at high concentrations causing them to be a chemical of …
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Occurrence of Per- and Polyfluoroalkyl Substances (PFAS) in Private Water Supplies in Southwest Virginia
Per- and polyfluoroalkyl substances (PFAS) are a class of man-made contaminants of increasing human health concern due to their resistance to degradation, widespread occurrence in the environment, bioaccumulation in human and animal organ tissue, and potential negative health impacts. Drinking …
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Fish Consumption Based PFAS Risk Assessment for Recreational Anglers in Chicago, IL & Benton Harbor, MI
… exposure to per- and polyfluoroalkyl substances (PFAS), and the Hazard Index associated with this exposure for specific communities was unknown (Koulini et al., 2024; Fair et al., 2019). Benton Harbor, Michigan, and Chicago, Illinois, are two cities on opposite sides of Lake Michigan with active …
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Adsorption of Single and Multi-Component Per-and Polyfluoroalkyl Substances (PFAS) at Air-Water Interfaces
Per- and polyfluoroalkyl substances (PFAS) are a class of fluorinated chemicals that are highly persistent in the environment, pose significant health risks, and are widespread due to their use in consumer products and fire-fighting foams. The purpose of this study was to investigate the transport …
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Geospatial Trends of Per- and Polyfluoroalkyl Substances (PFAS) Incidence in Private Drinking Water in Virginia
Per- and polyfluoroalkyl substances (PFAS) are a class of synthetic organic compounds that are hydrophobic, thermally stable, and resistant to environmental degradation. Widespread industrial and household use has resulted in frequent environmental and drinking water detection, raising concerns …
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Per- and Polyfluoroalkyl Substances (PFAS) in Air, Water, and Soil and Their Impact on Air Quality
Per- and polyfluoroalkyl substances (PFAS) are synthetic chemicals of growing environmental and public health concern due to their persistence and toxicity. This study focuses on fluorotelomer alcohols (FTOHs) and fluorotelomer acrylates (FTAcrs), key volatile PFAS classes, for which ambient air …
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“Mycoremediation” of PFAS: application of wood decay fungi and natural wood substrates to investigate the tolerance, degradation, and sequestration capacity of fungi for perfluorocarboxylic acids:
… and use of per-and polyfluoroalkyl substances (PFAS) since the 1950’s has led to globally ubiquitous contamination of the environment with PFAS and PFAS precursors. These fluorinated contaminants demonstrate extreme resilience to degradation and therefore do not meaningfully degrade when …
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