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.
Results
Showing 1 to 20 of 77 for “"occupational exposure"”.
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Monitoring of occupational exposure to antineoplastic drugs
… care workers are therefore at risk of getting occupationally exposed. Many antineoplastic drugs are classified as carcinogenic and teratogenic to humans. Cyclophosphamide (CP) and ifosfamide (IF) are two common antineoplastic drugs. The general aim of this thesis was to develop and evaluate …
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Airborne Nanoparticles: Generation, Characterization, and Occupational Exposure
… quantitative information on the potential for exposure to nanomaterials. In addition, to facilitate life-cycle assessments and inhalation toxicology studies, robust methods are needed to generate aerosolized engineered nanoparticles. We conducted a set of field studies to measure the fine …
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Analytical methods to investigate occupational exposure to toxic elements and their species
… of biological monitoring to monitor and control exposure to chemicals may help to reduce the risk of ill health. However, this is not always possible for all elemental workplace exposures. The work in this PhD thesis outlines the improvement of existing methodologies and,the development of novel …
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Determination of trace elements in hair for monitoring environmental and occupational exposure
… and urine, as an indicator of the intake and exposure to trace elements. While the analysis of these conventional sample types can only be used as a measure of recent exposure, hair, in contrast, can provide an historical record of exposure episodes. Furthermore the levels of trace elements in …
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Effectiveness of a closed system device in reducing occupational exposure and environmental concentrations of anticancer drugs
… be educated of these results and the risks of occupational exposure to low levels of anti-cancer drugs and the use of PPE should be emphasised. Results of the drain study form the basis of preliminary estimates of the likely concentrations of platinum-based drugs in surface waters and their …
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Lifetime Occupational Exposure to Endocrine-disrupting Chemicals and Postmenopausal Breast Cancer Risk: A Montreal-based Case-control Study (2008-2011)
Background: Exposure to endocrine-disrupting chemicals (EDCs) suspected to increase cumulative lifetime estrogen exposure, may elevate postmenopausal breast cancer risk. Despite evidence from environmental studies, few studies on EDCs have analyzed lifetime occupational exposures and most fail to …
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Occupational exposure to flour dust and the associated respiratory outcomes among workers at a selected flour mill in KwaZulu-Natal
Submitted in fulfillment of the requirements for the Degree of Master in Health Sciences: Environmental Health, Durban University of Technology, Durban, South Africa, 2022.
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Compilation and Determination of Potential Occupational Exposure in the Work Place - U.S. Coast Guard (Marine Safety Unit, Air Station Unit) Galveston, Texas
… and timely steps to reduce and control unwanted exposures.
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Examining evidence for a protective occupational exposure limit for inhalable manganese dust below which there are no adverse subclinical nervous system effects
The aim of this study was to investigate the exposure-response relationship between the concentration of inhalable manganese dust and subclinical nervous system outcomes amongst workers in a South African manganese smelter with a view to identifying any exposure threshold below which adverse …
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ON THE USE OF ASBESTOS IN CENTRAL ASIAN COUNTRIES: FINDINGS IN POSTMORTEM LUNG SAMPLES, CHARACTERIZATION OF ASBESTOS-CONTAINING MATERIALS, ENVIRONMENTAL AND OCCUPATIONAL EXPOSURE. CASE STUDIES IN KYRGYZSTAN.
… asbestos used, underreporting, low environmental exposure, and “controlled use” of chrysotile in manufacturing. This thesis aims to develop insights into asbestos production in Central Asia by analysing the chemical composition of asbestos samples taken in Kyrgyzstan; measuring the environmental …
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Factors determining exposure to benzene vapour among filling station attendants and road tanker drivers in the City of Cape Town, South Africa
The aim of the study was to evaluate the occupational exposure to benzene amongst filling station attendants and road tanker drivers in the City of Cape Town and to determine factors associated with elevated benzene exposure levels.
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Mediating factors in the relationship between sociodemographic factors and Chronic Lower Respiratory Diseases (CLRD) among adult ACBS respondents in the United States
… indoors, being a current or former smoker, occupational exposure and medical cost were significant predictors of CLRD. The mediation tests revealed that mold, mice presence, being a current smoker, smoke indoors and occupational exposure fully or partially mediated the relationship between …
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Aerosol Samplers Comparison: IOM Dual Sampler (Inhalable & Respirable) vs Conventional Methods for Assessing Welders Exposure to Manganese
Occupational exposure to airborne manganese (Mn) is currently determined using National Institute for Occupational Safety and Health (NIOSH) and Occupational Safety and Health Administration (OSHA) analytical methods for particulate not otherwise regulated. The Institute of Occupational Medicine …
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Health and well-being of workers at wastewater treatment plant in Muledane Thohoyandou Block J, Limpopo Province
Background: Occupational hazards and health risks faced by wastewater treatment plant (WWTP) workers have been recognised globally as a significant public health concern. Purpose: This study aimed to assess the health and well-being experienced by workers at the wastewater treatment plant in …
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The Relationship of Locus-of-Control and Altruism to Prehospital Emergency Medical Care Providers Universal Precaution Practices
… relationship between locus of control, altruism, occupational risk, and personal factors to the frequency of universal precautions practices of prehospital emergency medical care providers. The effects of OSHA's Occupational Exposure to Bloodborne Pathogens; Final Rule on reducing prehospital …
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Determinants of occupational allergic respiratory disease and asthma in spice mill workers
… of this study was to determine the prevalence of occupational allergy and asthma associated with airborne spice and to determine the host and environmental risk factors associated with allergic respiratory disease among spice mill workers. A cross-sectional epidemiological study of 150 currently …
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Plutonium pharmacokinetics and blood biochemistry
… out to determine the effects of plutonium exposure and a broad picture of the biological behaviour of plutonium has been built up. Radiological protection standards are based on such broad understanding and a "Central Dogma" has arisen viz, plutonium is bound avidly in liver and bone; …
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Three essays on the environment and health in cities
… or income, so it is necessary to understand how exposure to various environmental factors might affect fetal health. In contrast to the U.S. where air quality regulations have been implemented since the 1960's, I also observe air pollution in Nairobi, the capital of Kenya and home to 3.1 million …
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Respiratory exposure and potential dermal exposure to volatile organic compounds in nail salons : a pilot study
… to quantify respiratory and potential dermal exposure of nail technicians to acetone, formaldehyde, ethyl methacrylate, methyl methacrylate, toluene and xylene. Fifteen female nail technicians, working in different salons participated in this study. Products used for nail treatments differed …
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