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 43 for “"per- and polyfluoroalkyl substances (PFAS)"”.
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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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Transport of Per- and Polyfluoroalkyl Substances (PFAS) at a Managed Aquifer Recharge Site
In response to aquifer overuse and its related issues in eastern Virginia, the Hampton Roads Sanitation District (HRSD) is conducting a managed aquifer recharge (MAR) project called the Sustainable Water Initiative For Tomorrow (SWIFT). The objective of the SWIFT program is to treat wastewater to …
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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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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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Evaluation of the degradation of per- and polyfluoroalkyl substances (PFAS) using UV-activated silica-based granular media (UV/SGM)
Per- and polyfluoroalkyl substances (PFAS) have become ubiquitous in the environment through production, industrial use, and consumer use. PFAS are recalcitrant, persistent, and bioaccumulative contaminants of concern which are present in many solid and liquid sources. PFAS have been detected in …
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The effects of per- and polyfluoroalkyl substances (PFAS) and high fat diet on metabolism, reproductive health & prostate cancer progression
Per- and polyfluoroalkyl substances (PFASs) are a group of synthetic chemicals that have been utilized in various industries and settings. Their resistance to water, oil, grease, and extreme temperatures enabled utilization of PFAS in adhesives, cleaning-products, paints, coatings, packaging, …
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Toward improved in vitro models for human health risk assessment : mechanisms of short-chain per- and polyfluoroalkyl substances (PFAS) toxicity.
… exemplified by the widespread contamination of per- and polyfluoroalkyl substances (PFAS) worldwide. Despite their extensive use in various consumer products, the persistent and toxic nature of PFAS was not fully understood until after their global dissemination. As scientific knowledge advanced …
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Exploring the heterogeneous uptake of gas-phase PFCAs to the condensed phase
Perfluoroalkyl carboxylic acids (PFCAs) are a class of per- and polyfluoroalkyl substances (PFAS) which are completely fluorinated, accompanied by a carboxylic head functional group. With varying toxic effects on animals, plants, and humans, it has become imperative to understand the fate of these …
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IMPROVING CANNABIS SATIVA'S PHYTOREMEDIATION CAPABILITIES OF FOREVER CHEMICALS THROUGH MICROBIAL INOCULATIONS
<p>Per- and polyfluoroalkyl substances (PFAS) are persistent environmental contaminants that pose ecological and human health risks due to their resistance to degradation and potential for bioaccumulation. Phytoremediation has emerged as a potential strategy for mitigating PFAS contamination, and …
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Surface Modification Of Exhausted Activated Carbon For The Enhanced Removal Of Per- And Polyfluoroalkyl Substances
… limit (MCL) has been proposed for a group of per- and polyfluoroalkyl substances (PFAS), a class of chemicals that have been used in many consumer products and industrial applications. GAC is capable of the treatment of PFAS below the MCL, but in many water sources competing contaminants are …
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Acetylene Functionalized Photocatalytic COFs for PFAS Adsorption and Degradation
… due to their highly tunable architectures and porosities. COFs used as photocatalysts have great potential because they usually possess high surface areas for adsorption, tunable pore and surface functionalities, and various opto-electrical properties determined by the functional groups of …
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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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Expanding the Capabilities of Paper Spray Mass Spectrometry: High-Throughput Drug Screening and On-Paper Electrokinetic Stacking
Paper spray mass spectrometry (PS-MS) offers advantages in simplicity and rapid analysis but faces challenges that have limited its widespread adoption. These include insufficient sensitivity for certain analytes, susceptibility to matrix effects in complex samples, and inconsistent quantitative …
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Essays on Industrial Pollution, Regulation, and Health
… examines the effects of industrial pollution and environmental regulation on health outcomes and health-improving behaviors. It draws on quasi-experimental variation from two distinct settings to evaluate the consequences of pollution exposure and the potential for regulatory interventions to …
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Nanomaterials from lignocellulosic biomass : tailorable synthesis via surface functionalization and self-assembly mechanisms
… refinery based on deep eutectic solvents (DESs) and specialized for biomass-based nanomaterials synthesis Particularly, this work has the focus on lignin nanoparticles (LNPs) and lignin-containing cellulose nanofibrils (LCNFs). First, the lignin self-assembly in the formation of nanolignin was …
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Navigating the Unregulated: A Multi-Tiered Public Health Risk Assessment of PFAS and N-DBPs Utilizing Unregulated Contaminant Monitoring Rule Data
Per- and polyfluoroalkyl substances (PFAS) and nitrogenous disinfection byproducts (N-DBPs) are significant drivers of genotoxic and non-genotoxic health risks, primarily through the ingestion of drinking water containing these contaminants. While risk depends on individual chemical properties …
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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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