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 11 of 11 for “"Potential health risk"”.
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Nachweis und Differenzierung von Vibrio sp. in Krusten- und Schalentieren und Erzeugnissen daraus unter besonderer Berücksichtigung der routinemäßigen Diagnostik
… in Hamburg for the existence of pathogenic potential. A total of 22 percent of the samples were positive for Vibrio; raw shells have the highest contamination rate with 50 percent, raw shrimps (35 % positive) distinctly higher than boiled shrimps (6,8 % positive). Most of the positive …
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Impact of Silvicultural Activities on Water Quality in the Thathe Vondo Forest Plantation, Limpopo Province, South Africa
… metals, microbial contamination, and assess the health risks linked to their concentrations in surface waters and the surrounding soils. It also assessed seasonal and spatial variations and identified the driving factors influencing contaminant levels. Field sampling was carried out during both …
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Chloramine and MIEX control of disinfection by-products formed from an alluvial aquifer water source
… become a main safety issue for the public health. Trihalomethanes (THMs) and haloacetic acids (HAAs) are two of the major classes in DBPs. In response to this potential health risk from DBPs, the EPA established a current maximum contaminant level (MCL) is 80 [mu]g/L of THMs and 60 [mu]g/L …
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Investigation of biofilms in copper tube corrosion and the survival of <i>Legionella pneumophila</i> on alternative plumbing materials
… suggest that plastic plumbing systems pose a potential health risk by providing a means for transmission of pathogens such as <i>L. pneumophila</i>. <br></br><br></br>The association of biofilms with pepper pot pitting led to new ideas about mechanisms of microbially induced corrosion of …
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Identification et caractérisation de bactériocines produites par deux bactéries lactiques (Enterococcus faecium CWBI-B1430 et Enterococcus mundtii CWBI-B1431) isolées à partir de fromages frais artisanaux péruviens
… Two of the major factors concerned in a potential health risk associated with the genus Enterococcus were evaluated, and it was demonstrated that they were sensitive to vancomycin and showed no hemolytic activity. Genetic studies showed the presence of four putative bacteriocin genes in …
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A metals study to assess human health risks in drinking water from Eastport, Perry, and Pleasant Point, Maine
… study analyzed drinking water for a subset of health concerns expressed by residents in the towns of Eastport, Perry, and Pleasant Point. The town of Pleasant Point is located in the Passamaquoddy tribe's reservation, and all three towns are located in the Boyden Lake watershed in Maine. Water …
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Evaluation of pollution potential and bioremediation of tannery-based chromium wastes in Sub-Saharan Africa: the case of dump sites in Beit Ore Tannery in South Africa and Dogbone Tannery in Kenya
… now becoming of great environmental and public health concern in the world but more seriously in Sub Saharan Africa. This study aimed first at investigating chromium status, trace metals contamination and ecological risk assessment of tannery waste disposal of selected tannery waste dumpsites in …
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An assessment of health hazards associated with the use of water mist systems as a cooling intervention in Australia
… fowleri is emerging as a challenge for public health and water quality management. Contrary to other premise plumbing features like showers and domestic taps that have been implicated in various waterborne infections, the health risks associated with WMS are not well understood. The primary aim …
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Oxidation of Bisphenol A, Triclosan and 4-Nonylphenol by Fe-B* activated peroxide
… poses direct threat to aquatic species and potential health risk to humans. This thesis describes a systematic investigation of BPA, TCS and NP oxidation by a green catalyst system. The catalyst system used is the FeIII-TAML/H2O2 (TAML = tetra-amido-macrocyclic ligand) catalytic oxidation …
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Modelling of Air Pollution and Evaluation of the Human Health Implication in Phalaborwa, Mopani District, South Africa
Air pollution has increased public health concerns and is currently a scientific research interest in both developed and developing countries due to its critical impacts being instigated on man, animals, water, and the entire environment. Thus, may become the major environmental basis of mortality …
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Determination of illegal and toxic ingredients in face creams
… face creams on the market poses significant risks to consumer health, with some products containing illegal and toxic ingredients that can lead to serious dermatological and systemic effects. This study focuses on the identification and quantification of illegal and toxic ingredients in …