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 49 for “"Persistent organic pollutants"”.
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Investigating persistent organic pollutants as endocrine disruptors of androgen receptor signalling
… lead to adverse health effects in those exposed. Persistent organic pollutants (POPs) are a class of organic compounds that are structurally resistant to processes of degradation and thus are ubiquitous in the environment upon release. Due to their long elimination half-lives and affinity for …
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High-throughput analytical methods for persistent organic pollutants in high-lipid matrices.
Persistent organic pollutant (POP) trends and profiles reconstructed from environmental matrices, such as mammal tissues, have provided a wealth of information regarding contaminant behavior and environmental fate. These POP trends and profiles are unique and often irreplaceable due to difficulties …
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Associations of Persistent Organic Pollutants Exposure with Coronary Heart Disease and Hearing Loss
Persistent Organic Pollutants (POPs) are endocrine-disrupting chemicals associated with adverse health outcomes. Emerging evidence suggests that POP exposure may contribute to chronic diseases such as coronary heart disease (CHD) and hearing loss, potentially through inflammatory pathways. …
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An uncertainty-focused approach to modeling the atmospheric chemistry of persistent organic pollutants
In this thesis, I study polycyclic aromatic hydrocarbons (PAHs) and perfluorocarboxylic acids (PFCAs). PAHs are by-products of burning and therefore have important anthropogenic sources in the combustion of fuels, biomass, etc. PFCAs and their atmospheric precursors are used in making firefighting …
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Investigation of Persistent Organic Pollutants in Breast Milk // Изследване на устойчиви органични замърсители в майчино мляко
… thesis aims to investigate the concentrations of persistent organic pollutants (POPs) in human breast milk of women from North-Eastern Bulgaria and to assess the potential health risks. POPs are toxic anthropogenic substances that have proven chemical and biological stability. A total of 77 …
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Investigating the effects of persistent organic pollutants (POPs) on insulin-like growth factor 1 (IGF-1) in grey seals
… Scientific evidence shows that a class of toxic organic chemicals known as persistent organic pollutants (POPs) are a cause of increasing rates of endocrine and developmental disorders, such as Laron syndrome and could also disrupt other pathways important to health. POPs are introduced into the …
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Bioaccumulation of persistent organic pollutants and trace metals in Scottish marine food webs and their relationship with trophic level and fatty acid signatures.
… assessments. Currently, assessment criteria for organic and inorganic contaminants either do not account for secondary poisoning as a route of exposure, or a proxy is used due to the lack of ecotoxicological data available. Secondary poisoning is a result of biomagnification, which can be …
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Monitoring of Persistent Organic Pollutants (POPs) in marine biota from the Catania Gulf (Sicily, Italy) and development of new sensitive analytical methods for their detection
… assess the distribution of different classes of Persistent Organic Pollutants (POPs), including polychlorinated biphenyls (PCBs), organochlorine pesticides (POCs), and polycyclic aromatic hydrocarbons (PAHs), in environmental matrices (biota, volcanic ashes and seawater), as well as on the …
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Approaches for assessing the presence and impact of thyroid hormone disrupting chemicals in Delphinid cetaceans
… is also the primary bioaccumulation site for persistent organic pollutants (POPs) such as polychlorinated biphenyls (PCBs). During periods of lipid mobilization such as lactation, PCBs from the blubber are mobilized into the circulatory system and may cause toxic effects. One particular toxic …
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Comparative analyses of aryl hydrocarbon receptor structure, function, and evolution in marine mammals
Marine mammals possess high body burdens of persistent organic pollutants, including PCBs and dioxin-like compounds (DLC). Chronic environmental or dietary exposure to these chemicals can disrupt the function of reproductive and immune systems, as well as cause developmental defects in laboratory …
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Pharmacokinetic Evaluation of the Blood: Tissue Relationship in Poultry: Screening for Antibiotic Residues in Chicken Muscle
… of man made processes, including heavy metals, persistent organic pollutants, pesticides and veterinary drugs. Some of these substances can leave residues in food products and possibly expose consumers to their potential toxic effects. To address these problems extensive regulatory efforts are …
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Halogenated 1'-methyl-1,2'-bipyrroles (MBPs) in the Norwestern Atlantic
… (MBPs) are a distinctive class of marine organic compounds. They are naturally produced, they have a unique carbon structure, they are highly halogenated, and they bioaccumulate in upper trophic levels. MBPs share many characteristics with persistent organic pollutants (POPs), and may …
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Halogenated 1'-methyl-1,2'-bipyrroles (MBPs) in the northwestern Atlantic
… (MBPs) are a distinctive class of marine organic compounds. They are naturally produced, they have a unique carbon structure, they are highly halogenated, and they bioaccumulate in upper trophic levels. MBPs share many characteristics with persistent organic pollutants (POPs), and may …
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Thyroid hormones and their receptor gene expression as biomarkers of endocrine disruption in harbour seals (Phoca vitulina)
Persistent organic pollutants (POPs) are ubiquitous environmental contaminants that are lipophilic, slow to degrade, bioaccumulate in aquatic food webs and threaten the health of both humans and wildlife. Predatory marine mammals, such as harbour seals (Phoca vitulina), are at particularly risk for …
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Examining the effects of environmental compounds on influenza virus ecology
… environmental compounds, including bacteria and pollutants, on the ecology of IAV. In the first study, I demonstrate that gastrointestinal tract bacterial isolates reduce the thermal stability of IAV. Moreover, bacterial lipopolysaccharide (LPS), found on the exterior surfaces of bacteria, is …
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Investigating the properties of persistent organic carbon in municipal wastewater treatment biosolids
… plants (WWTP) are the primary pathway for many organic contaminants such as pharmaceuticals and persistent organic pollutants (POPs) found in domestic, industrial and hospital effluents to reach the environment. These substances can accumulate in WWPT sludges or treated biosolids, which are …
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Comparative analyses of aryl hydrocarbon receptor structure and function in marine mammals
Marine mammals possess high body burdens of persistent organic pollutants, including PCBs and dioxin-like compounds (DLC). Chronic environmental or dietary exposure to these chemicals can disrupt the function of reproductive and immune systems, as well as cause developmental defects in laboratory …
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