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Now showing items 1771-1780 of 2707
An analytical method to investigate the metabolites and co-factors of the methionine-homocysteine cycle in women using combined oral contraceptives and non-users
(North-West University (South Africa), 2022)
Biotransformation protects the body from endogenous and exogenous substances like combined oral contraceptives (COCs). During biotransformation, estrogen undergoes methylation with the assistance of catechol-O-methyltransferase ...
The establishment of a model system in which variants of the medium-chain ligase (ACSM) and glycine N-acyltransferase (GLYAT) can be co-expressed and analysed
(North-West University (South Africa), 2022)
Even though glycine conjugation pathway discovery dates back to the 18th century, it is still an important detoxification pathway that is severely neglected in research. Xenobiotics are omnipresent in the environment (as ...
Purification and analysis of ferrous chloride for an Fe/Cr flow battery application
(North-West University (South Africa), 2022)
The inevitable depletion of fossil fuels, concerns about adverse human health effects of air pollution, reduction of greenhouse gas emissions and climate change are globally recognised as some of the main factors that drive ...
Effects of Temperature and Moisture on the Ecotoxicity of Metal-Based Fungicides Towards Earthworms
(North-West University (South Africa), 2022)
Climate change is a major threat to biotic and abiotic ecosystems worldwide and might potentially affect the mobility and bioavailability of metals in soil. Anthropogenic activities such as mining, agriculture and the use ...
The perception of commercial forestry managers of fire management challenges in rural Mpumalanga, South Africa
(North-West University (South Africa), 2022)
Around 20 000ha of plantation area in South Africa is lost per annum to forest fires, with a direct annual economic plantation loss of R402 million. The majority of larger forestry organisations are well equipped to deal ...
Evaluation of Brush Packing Methods on different Semi-Arid Savanna Soil Types and Properties
(North-West University (South Africa), 2022)
In Africa, savannas are important biomes used for raising livestock. Encroachment by woody species (so-called “bush encroachment”) disrupts the natural equilibrium between the herbaceous layer and the tree and shrub densities ...
Evaluation of ash and soil for control of Spodoptera frugiperda (Lepidoptera : Noctuidae) on maize
(North-West University (South Africa), 2022)
Fall armyworm, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae) emerged as one of the most important global pests of maize in recent years. The crops that are most infested in Africa are maize and sorghum. In ...
Combining data sources to be used in quantitative operational risk models
(North-West University (South Africa), 2022)
The management of financial losses is crucial for banks as they are required to set aside
regulatory capital to absorb unexpected losses. Banks also need to calculate economic capital
to ensure solvency according to their ...
GIS as a tool for strategic risk reduction and decision making in Fire Services in the Mopani District Municipality
(North-West University (South Africa), 2022)
There are many people who have encouraged and assisted me over the years. To each and every
one who has supported me on this journey, especially my family, I am most grateful. My father,
Bernard Altenroxel, sadly did not ...
Greening the electricity sector : barriers to the successful implementation of energy efficiency initiatives in South African Municipalities
(North-West University (South Africa), 2022)
Introduction: Greening of the electricity sector is one of the key critical responses to the pressing climate change, economic development, and electricity security challenges facing South African municipalities. The ...