10 hasil untuk "Manny Mathuthu"
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Artikel Jurnal
Tracing rare earth elements for nuclear forensics signatures in Mpumalanga province, South Africa
The original assessment of the nuclear material is the primary objective of nuclear forensics. Among various signatures, rare earth elements (REEs) have proven to be highly significant in identifying uranium deposits, owing to their consistent patterns under varying geochemical conditions. In this…
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Artikel Jurnal
Assessment of heavy metals and radionuclides in dust fallout in the West Rand mining area of South Africa
Windblown dust can contain radioactive materials from mining. These radionuclides when inhaled in dust produce ionizing radiation which damages the cells and tissues in the body. The aim of this study was to assess dust fallout radionuclides in the West Rand mining area of South Africa. Dust…
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Artikel Jurnal Teks lengkap
Replacement of Soybean Meal with Heat-Treated Canola Meal in Finishing Diets of Meatmaster Lambs: Physiological and Meat Quality Responses
The study investigated whether heat treatment (190 °C for 90 min) could improve the quality of expeller canola meal (CM) protein in finishing diets of Meatmaster lambs. Five isonitrogenous and isoenergetic diets were formulated by partially (50%) or completely replacing SBM as the major protein…
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Artikel Jurnal
The impact of radiation dose variability on the response of radiophotoluminescence glass dosimeters – an experimental approach
The dosimetric properties of radiophotoluminescence glass dosimeters (RPLGDs) make them valuable tools for accurately measuring doses in various radiation fields. Over the years, thermoluminescence dosimeters have been used for both personal and environmental monitoring in South Africa, although…
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Artikel Jurnal
Assessment of radiation hazards from natural radionuclide activity in quarry sites and surrounding soils in Osun State, Southwest Nigeria
Abstract This study assessed the radioactivity levels of naturally occurring radioactive materials (NORMs), specifically 40K, 232Th, and 238U, in quarry products and surrounding soils from four major commercial quarry sites in Osun State, Nigeria, using gamma spectroscopic technique. The average…
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Artikel Jurnal
Health risk assessment of heavy metals and physicochemical parameters in natural mineral bottled drinking water using ICP-MS in South Africa
Abstract The contamination of natural mineral bottled drinking water with trace, heavy metals and rare-earth elements is a growing concern globally, especially in regions with limited access to safe drinking water sources. In South Africa, the safety of bottled water remains a critical issue due to…
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Artikel Jurnal Teks lengkap
Occurrence of potentially toxic elements in commercial tea products from South Africa and associated carcinogenic and non-carcinogenic health risks
Abstract Potentially toxic elements (PTEs) in food and beverages may pose adverse health effects following long-term dietary exposure. This study determined the concentrations of aluminium (Al), arsenic (As), cadmium (Cd), chromium (Cr), copper (Cu), cobalt (Co), iron (Fe), manganese (Mn), nickel…
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Artikel Jurnal
Investigating the connection between the global meteoric water line and the local meteoric water line within the Gauteng and North West provinces in South Africa
Study Region: this study was conducted in the Gauteng and North West Provinces of South Africa, where ground water is the main source of high quality and clean water. Study Focus: The aim of this study was to characterize the recharge-discharge processes and identify the connection between the…
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Artikel Jurnal
Radiological safety assessment of sugar consumption in South Africa—a study of 226Ra, 228Ra, and 40K levels
Human exposure to natural radionuclides in the environment primarily occurs through ingestion of foodstuffs, highlighting the importance of continuous monitoring of radionuclide levels in foodstuffs by ensuring consumer safety and compliance with regulatory standards. Using gamma spectrometry, this…
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Artikel Jurnal
Modelling the dynamics of the cancer risk due to potentially toxic elements in agricultural soils, in the upper Crocodile River catchment, North-West province, South Africa
Contaminated agricultural soil with potentially toxic elements (PTEs) poses a threat to food safety and can adversely affect human health. This study evaluates the potential health risk caused by PTEs contamination in cultivated soils and the possible related health effect. Sixty-four (64) soil…