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A comparative analysis of the rubber industries in Liberia and Malaysia : lessons for industrial policy

- Duoku, Thomas K.

  • Authors: Duoku, Thomas K.
  • Date: 2021
  • Subjects: Industrial policy - Liberia , Economic development - Liberia
  • Language: English
  • Type: Masters (Thesis)
  • Identifier: http://hdl.handle.net/10210/478310 , uj:43224
  • Description: Abstract: Liberia, with the world’s largest contiguous rubber plantations and multinational rubber companies, needs to prioritise the development of a rubber manufacturing plan while moving up the value-added chain. The country needs a structural transformation from low productivity agriculture to high output manufacturing. Manufacturing has the potential to stimulate other sectors of the economy and contribute to export-led industrialization, increase foreign exchange earnings through revenue realization, improve living standards, and increase income distribution. This dissertation thus puts forward a rubber manufacturing, processing plan that has the potential of linking other segments of the economy to it. This would not only contribute to government revenues, but reduce poverty and breach the vicious circle of economic growth without development. Through a comparative case study with Malaysia, using a qualitative research method, this study aims to investigate why Liberia, with the world’s largest contiguous rubber plantations, has failed to develop her rubber industry, whereas Malaysia has succeeded... , M.Phil. (Industrial Policy)
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A comparative legal analysis of the interpretation of the independence principle in demand guarantees in South Africa, England and Singapore

- Ncube, Awakhiwe

A computational study of cisplatin and its derivatives towards the analysis, improvement and design of anticancer agents

- Pole, Phadishe Solomon

  • Authors: Pole, Phadishe Solomon
  • Date: 2021
  • Language: English
  • Type: Masters (Thesis)
  • Identifier: http://hdl.handle.net/10210/484256 , uj:43976
  • Description: Abstract: Several studies have reported the computational study of platinum-based compounds for chemotherapeutic treatment of different cancers. However, there remains a need to study cisplatin and its derivatives to further understand properties such as the chemical reactivity, kinetic stability, and reactivity descriptors that can further elaborate why some compounds are active against cancer cells, while some are not. The present study aimed to perform molecular structure optimization calculations for the bond lengths and angles, NBO analysis, MESP, HOMO-LUMO and Fukui function analysis of selected platinum-based anti-cancer drugs using DFT techniques to evaluate the anti-cancer activities against the computed structural and electronic properties. The M06-2X functional was found to produce structures with the lowest energy conformations and closest replication of experimental findings in literature. The NBO analysis was carried out to understand the bonding interactions within the structures, showing that the second order perturbation energy was increased in the presence of Ï€-electron delocalization within the structure. The MESP and Fukui reactivity indices revealed that the most nucleophilic atom within the platinum complexes was the chloride leaving group. The results for the HOMO-LUMO analysis showed that the frontier orbital energy gap is increased by an increase in alkyl chain length. The energy gap was also noticed to decrease for compounds having an electron-withdrawing group in the carrier ligand in the order: COOH
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A critical evaluation of health risk assessments of pm2.5 from coal-fired power stations

- Simelane, Siyabonga Precept

  • Authors: Simelane, Siyabonga Precept
  • Date: 2021
  • Language: English
  • Type: Masters (Thesis)
  • Identifier: http://hdl.handle.net/10210/484368 , uj:43991
  • Description: Abstract: South Africa’s coal-fired power stations release large quantities of nitrogen oxides (NOx) and sulphur dioxide (SO2) which form inhalable secondary particulate matter with an aerodynamic diameter of less than 2.5 mm (PM2.5). PM2.5 is harmful to health and has been associated with premature mortalities due to lung infections, cardiovascular disease, strokes and cancer. Health risk assessments on exposure to PM2.5 from coal-fired power stations have significantly different results in terms of health outcomes. The purpose of this research is to improve the approaches used in health risk assessment of PM2.5 from coal-fired power stations. The study area is the South African plateau encompassing the coal-fired power stations and surrounding populations in Mpumalanga, northern Free State, Gauteng, eastern North-West Province and Limpopo. A proportional log-linear approach is introduced to calculate the number of premature mortalities due to one component of total ambient particulate matter, using a log-linear RR model and ascribing premature mortalities based on the proportion of ambient particulate matter contributed by the single component of interest. The proportional log-linear approach is intended to be used to estimate premature deaths when the single source contributes PM2.5 concentrations below a relative risk model’s counterfactual exposure value. Use of a conventional relative risk model is not appropriate, since summing up premature deaths linked to all individual sources overestimates premature deaths because the relationship between relative risk and PM2.5 exposure is not linear... , M.Sc. (Geography)
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A GIS-based approach for the evaluation of the land-use impact of future energy scenarios in South Africa for 2050

- Gaeatlholwe, Vusumuzi Tshepang

  • Authors: Gaeatlholwe, Vusumuzi Tshepang
  • Date: 2021
  • Language: English
  • Type: Masters (Thesis)
  • Identifier: http://hdl.handle.net/10210/483966 , uj:43941
  • Description: Abstract: Concern over climate change has stimulated the transition from fossil fuels for power generation to renewable resources. A Geographical Information Science-based study is conducted to quantify the current and projected energy sprawl (land area used and required for energy generation) in South Africa by 2050 using five scenarios from the Integrated Resource Plan (IRP) 2018. A suitability analysis is conducted to identify the most suitable areas for wind and solar developments in the designated Renewable Energy Development Zones (REDZs) and to evaluate the likely impact on biomes. Both the direct and indirect land required to produce a given amount of energy for each technology, termed land use intensity (LUI), is calculated. Various renewable power generators have higher LUI than non-renewables. For example, hydropower had a LUI of 691,23 km²/TWh in 2019 and is projected to have a LUI of 170,25 km²/TWh in 2050 whereas open cycle gas turbines (OC-GTs) have the highest LUI of non-renewable generation types with a LUI of 20,20 km²/TWh. A total land area of at least 1 567 km² (338 km² direct and 1 229 km² indirect) was impacted by energy infrastructure in South Africa in 2019. An additional 17 644 km² will be impacted by 2050, an area almost the size of Gauteng Province. The move towards renewables has triggered a major shift in the geographical location of power stations from the interior (particularly Mpumalanga) to coastal provinces (Northern Cape, Western Cape, and Eastern Cape). Of South Africa’s 1 220 813 km² land area, 36% (444 869 km²) is suitable for solar energy installations of which most of the suitable areas are located in the semi-arid interior of the country. 57% of South Africa’s land area is suitable for wind farms, with the southern and the southeastern regions of the country, as well as areas in the Free State close to the highlands of Lesotho, being the most suitable. Considering the areas found to be of excellent suitability within the REDZs, , Nama Karoo is the most at risk biome from solar power and wind power development with a total of 30 538 km² of its land area being at risk. Nama Karoo, however, is considered to be the best biome to locate solar parks and wind farms since it is an arid region dominated by low-lying vegetation and with minimal fauna and flora (Rutherford et al. 2006). , M.Sc. (Geography)
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A legal analysis of the proposed nationalisation of the South African Reserve Bank

- Phooko, Mokhutwane Blessing

A psychic landscape : reimagining personal identities within local landscapes

- Pienaar, Alexa

  • Authors: Pienaar, Alexa
  • Date: 2021
  • Subjects: Landscapes in art , Gender identity in art , Belonging (Social psychology) in art , Art and society - South Africa - History - 21st century , Installations (Art)
  • Language: English
  • Type: Masters (Thesis)
  • Identifier: http://hdl.handle.net/10210/480572 , uj:43509
  • Description: Abstract: This research examines unconventional ways in which a sense of belonging can be achieved through landscape as a platform for personal, societal and cultural identity formation. I determine how hierarchical structures prevalent in colonial and, later, Afrikaner landscape representation are contested in postmodern discourses. My focus is on my white, queer, female, Afrikaans identity and how, through embodied and immersive engagements with landscape, I contest stereotypical roles, created in the image of the volksmoeder, set out for Afrikaans-speaking women. My interests lie predominantly in immersive experiences of landscapes where the viewers, and I, are immersed in the experience rather than observing the ‘view’ from a distance. I refer to Deleuze and Guattari’s (1988) notions of moving through “smooth” and “striated” space as modes in which we engage with our environments as well as the spaces within our own minds. I apply these conceptions in my analysis of Olafur Eliasson and Paul Emmanuel’s artworks, where they contest colonial landscape conventions through modes of journeying, atmospheric perception, self-awareness and inscription. With regard to my own landscape installation, Deleuze and Guattari’s (1988) modes of moving (and thinking) “smoothly” and in “striation” help me to navigate complex personal and cultural narratives within a post-colonial and post-apartheid South African setting. Through embodied engagements with my installation as well as with the landscape I am able to unpack the fibres that make up my identity and, thereby, fashion a renewed sense of Self and, therefore, a sense of belonging. , M.Tech. (Fine Art)
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A secondary analysis of the prevalence and risk factors associated with musculoskeletal disorders among undergraduate Health Sciences nursing and optometry students at the University of Johannesburg

- Du Plessis, Marthinus Louis

A secondary analysis of the prevalence and risk factors associated with musculoskeletal disorders in medical imaging and radiation sciences undergraduate students at the University of Johannesburg

- Inder, Antalaya

  • Authors: Inder, Antalaya
  • Date: 2021
  • Language: English
  • Type: Masters (Thesis)
  • Identifier: http://hdl.handle.net/10210/476086 , uj:42971
  • Description: Abstract: Aim: To identify the prevalence of musculoskeletal disorders and the role of certain occupational and biopsychosocial risk factors in the development of these musculoskeletal disorders in the undergraduate Medical Imaging and Radiation Sciences students at the University of Johannesburg. Method: This study was a secondary quantitative correlation data analysis of the Medical Imaging and Radiation Sciences students data from the unpublished 2019 study on the “Prevalence of Musculoskeletal Disorders Among Undergraduate Health Sciences Students at the University of Johannesburg: Biomedical Technology, Environmental health, Medical Imaging and Radiation Sciences” done by Bensusan, Moodley and Ismail, 2019. Results: There was an 89.1% prevalence rate of musculoskeletal disorders in the participants’ lifetime, with the greatest number of participants experiencing lower back pain (66.9%) and neck pain (60.3%). The prevalence of pain in the 12 months before they completed the questionnaire was 77.8%. The most participants had experienced pain in the lower back (53.1%) and neck (43.5%). The risk factors that affected the most body areas with musculoskeletal pain were the number of hours spent in practical classes and recreational sports. Nine other risk factors were further noted to be statistically significant for the development of musculoskeletal pain in Medical Imaging and Radiation undergraduate students. Conclusion: There was a high prevalence of musculoskeletal pain in undergraduate students studying Medical Imaging and Radiation Sciences and the risk factors pertaining to the pain experienced were multifactorial and varied. Lower back pain and neck pain was experienced most often, and hip and thigh pain were experienced least often. , M.Tech. (Chiropractic)
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A secondary analysis of the prevalence and risk factors associated with the chiropractic and complementary medicine students at the University of Johannesburg

- Botha, Christell

  • Authors: Botha, Christell
  • Date: 2021
  • Subjects: Chiropractic , Musculoskeletal system , University of Johannesburg - Students
  • Language: English
  • Type: Masters (Thesis)
  • Identifier: http://hdl.handle.net/10210/476625 , uj:43037
  • Description: Abstract: Background Musculoskeletal disorders are one of the most prevalent occupational health issues among healthcare workers. Recent studies conducted at the University of Johannesburg aimed determine the prevalence and related occupational risk factors of musculoskeletal disorder in undergraduate health science students in the Chiropractic and Complementary Medicine departments at the University of Johannesburg. Aim This research aimed to conduct a secondary analysis of a study done by Cartwright (2020) on the prevalence and risk factors of musculoskeletal disorders in Chiropractic and Complementary Medicine students in the Faculty of Health Sciences at the University of Johannesburg. Methodology The methodology for this study was a cross-sectional descriptive and comparative study utilising data from previous studies from the University of Johannesburg. A total of 179 chiropractic and 73 complementary medicine students completed the questionnaires. Results and discussion The risk factors proven to be statistically significant for each region were, the course of study (p=0.001), quality of the seated position (p=0.01), repetitive motions in practical classes (p=0.038), hours per week studying at home (p=0.011), and moving patients (p=0.023), for neck pain. The shoulder pain’s risk factors were practicing chiropractic manipulations (p=0.015) and lifting heavy equipment with the back or knees (p=0.02). Upper back pain’s risk factors were gender (p=0.011), the course of study (p=0.001), and quality of the seated position (p=0.02). The elbow pain’s risk factors were repetitive movements in practical classes (p=0.036) and walking as a form of exercise (p=0.003). Hand and wrist pain’s risk factors were the course of study (p=0.03), treating a patient (p=0.042), and location of study (p=0.003). Low back pain’s risk factors were the year of study (p=0.042), quality of the seated position (p=0.006), mostly done , M.Tech. (Chiropractic)
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Adoption of retail banking social media content by millennials in South Africa

- Mwaniki, Evelyn Wangari

  • Authors: Mwaniki, Evelyn Wangari
  • Date: 2021
  • Subjects: Bank marketing - South Africa , Social media - South Africa , Internet marketing - South Africa , Generation Y - South Africa - Attitudes
  • Language: English
  • Type: Masters (Thesis)
  • Identifier: http://hdl.handle.net/10210/478857 , uj:43291
  • Description: Abstract: Organisations are increasingly making use of digital content marketing as a way to attract customers to their offering and promote engagement with their brands. Digital content marketing can be used to stimulate consumer preference, since it has the ability to inform, persuade, and reinforce consumer decisions. Moreover, digital content marketing is proving necessary, particularly when consumers do not have adequate knowledge of a subject, as is often the case with financial products. Millennials in particular, rely on social media digital content for an authentic understanding of brands. The ability to trust information can impact on its use and its ability to influence customer behaviour. Millennials are a large market segment in many countries, including South Africa. They are an important segment for retail banks to understand so that they can target them effectively. Thus, the objective of this study is to investigate the factors that influence trust in social media digital content and its eventual adoption for decision-making by millennial retail bank customers... , M.Com. (Marketing Management)
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Adverse childhood experiences and somatic symptoms in South African adults

- Demetriou, Salome

  • Authors: Demetriou, Salome
  • Date: 2021
  • Subjects: Psychic trauma in children , Somatoform disorders , Mental health
  • Language: English
  • Type: Masters (Thesis)
  • Identifier: http://hdl.handle.net/10210/477635 , uj:43163
  • Description: Abstract: In this article the focus was to investigate adverse childhood experiences and somatic symptoms in South African adults. The aim was to gain a better understanding of and knowledge on adverse childhood experiences, and to explore whether there is an association between adverse childhood experiences and somatic symptoms in adults. The study included 337 participants, of whom had completed the Adverse Childhood Experiences – International Questionnaire and the Patient Health Questionnaire – 15. Adverse childhood experiences were found to significantly explain the variance in somatic symptoms in adulthood. Subsequent, there were 13 categories of adverse childhood experiences that were investigated; however living with someone who has a chronic mental illness, as well as gender were the only variables that significantly explained the variance in somatic symptoms. These findings indicate that adverse childhood experiences, as well as gender play a role on psychosocial health in adulthood. , M.A. (Clinical Psychology)
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An analysis of the eXtensible Business Reporting Language (XBRL) compliance by South African listed companies

- Kulik, Yvette

  • Authors: Kulik, Yvette
  • Date: 2021
  • Subjects: XBRL (Document markup language) , Business - Data processing , Business communication - Data processing
  • Language: English
  • Type: Masters (Thesis)
  • Identifier: http://hdl.handle.net/10210/478433 , uj:43239
  • Description: Abstract: eXtensible Business Reporting Language (XBRL) is one of the main areas of technological innovation that are taking the accounting profession forward into the fourth Industrial Revolution (4IR). The Companies and Intellectual Property Commission of South Africa (CIPC) requires all South African companies registered with CIPC to submit their minimum statutory compliance documentation digitally using inline-XBRL (iXBRL) reporting from 1 July 2018 onwards. This replaces the previous digital reporting system in which companies could lodge a PDF version of annual financial statements to a more structured format of submission... , M.Com. (International Accounting)
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An appraisal of the twin peaks model and its ability to effectively regulate the South African insurance industry

- Coppinger, Caelin Shea

An appreciation of land (de-) attachment : some biblical and modern perspectives

- Pienaar, Jean

  • Authors: Pienaar, Jean
  • Date: 2021
  • Subjects: Land reform , Place attachment
  • Language: English
  • Type: Masters (Thesis)
  • Identifier: http://hdl.handle.net/10210/477875 , uj:43193
  • Description: Abstract: Scannell and Gifford (2014) provide a useful framework for understanding and evaluating place attachment, augmented by Sebastien (2020), who provides a graphical representation of the relationship between place identity (an indication of perception), place dependence (an indication of preservation), and place attachment. This framework is used to appreciate how place attachment is expressed in the ancient texts of Psalm 37 and Matthew’s Beatitudes... , M.A. (Biblical Studies)
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An evaluation of interpolation techniques and commonly used digital elevation models for floodline mapping in a South African environment

- Chetty, Prevlan

  • Authors: Chetty, Prevlan
  • Date: 2021
  • Subjects: Interpolation , Flood damage prevention , flood forecasting
  • Language: English
  • Type: Masters (Thesis)
  • Identifier: http://hdl.handle.net/10210/477226 , uj:43112
  • Description: Abstract: Flooding accounts for a large proportion of property loss and damage all over the world. Flood frequencies associated with intense periods of rainfall show increasing trends in both South Africa and globally. As a result, preventative measures to mitigate property loss and damage play an increasingly important role in the built environment. In hydrology terms, flood-lines refer to the maximum extent of a flood event that can either be measured retrospectively after a rainfall event of significance through in-situ measurements or proactively simulated through a digital representation of the assessment area. The proactive approach has inherent benefits of being able to run a multitude of volumes to illustrate the effect of various rainfall events on a river system but is dependent on the quality of data being fed into the system itself. A key component to the data input includes elevation information that defines the topographical environment around the river system. There are several elevation sources and methods of interpolating to create continuous elevation surfaces that can be utilized for an area-based flood modelling scenario. The usage and application of many of these sources are affected by the cost and time factors which often place restrictions on the level of detail and accuracy that the digital representation of the river system captures. Due to the multitude of variables with regards to the elevation data inputs, there is a need to 1) identify the best-suited interpolation techniques to accurately represent a hydrological environment; and 2) to identify an optimal elevation source to accurately depict a flood-line output... , M.Sc. (Geography)
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An evaluation of the cross-border nature of cartels : the case of bitumen in Southern Africa

- Dube, Precious Peloentle

  • Authors: Dube, Precious Peloentle
  • Date: 2021
  • Subjects: Bitumen , Competition , Cartels
  • Language: English
  • Type: Masters (Thesis)
  • Identifier: http://hdl.handle.net/10210/478301 , uj:43223
  • Description: Abstract: This paper evaluates the possible cross-border nature of a cartel uncovered and prosecuted in the bitumen industry in South Africa. The paper assesses whether the cartel in South Africa could have had an appreciable effect in the neighbouring states in the Southern Africa Customs Union (SACU) region, given their close economic integration and trade ties with South Africa. Qualitative and quantitative data analysis were undertaken to assess the possible impact of the cartel. First, a qualitative assessment of the industry stakeholders was conducted to evaluate competition in the bitumen industry within the SACU region. This covered the structural and behavioural characteristics of the industry which renders it susceptible to collusion. Second, trade data was used to demonstrate the dependency of the SACU member states on South Africa for their bitumen imports and an analysis of the pricing trends derived from the import prices was conducted. The trade data demonstrated that the SACU member states were almost wholly dependent on South Africa for their bitumen needs for the duration of the cartel, which was produced and supplied by the companies implicated in the cartel. Similar pricing trends to South Africa were also found in the SACU region. This suggests that the effects of the cartel may have extended beyond the South African borders. The contribution of the study is to highlight the significance of screening and timeously investigating cartel conduct prosecuted in neighbouring countries in cases where there is significant trade dependency, as these may have an appreciable impact on regional markets. , M.Com. (Competition and Economic Regulation)
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An evaluation of the effectiveness of interventions to transition low-income households towards the adoption of cleaner energy sources on the Mpumalanga Highveld

- Phogole, Bopaki Testimonies

  • Authors: Phogole, Bopaki Testimonies
  • Date: 2021
  • Subjects: Energy policy - South Africa - Mpumalanga , Renewable energy sources - Government policy - South Africa - Mpumalanga , Clean energy
  • Language: English
  • Type: Masters (Thesis)
  • Identifier: http://hdl.handle.net/10210/474329 , uj:42750
  • Description: Abstract: Globally, low-income households are faced with crippling effects of energy poverty which limit them to the use of polluting energy sources such as coal and wood. The high prevalence of the use of these ‘dirty’ fuels and the severity of their impacts on human health and the environment have necessitated widespread transition towards the adoption of cleaner energy sources. Against this backdrop, this study assesses the effectiveness of interventions that are designed to encourage and facilitate the long-term use of clean energy sources in low-income areas of South Africa. This study is based on the participants of the Eskom’s air quality offsets programme that was implemented in KwaZamokuhle in the Mpumalanga province, South Africa... , M.Sc. (Environmental Management)
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Anion exchange composite membrane (AECM) based on Imidazolium quaternized Poly (2, 6-dimethyl-1, 4-phenylene oxide) (PPO) functionalized with Zeolitic Imidazole Framework (ZIF-8) for direct alcohol alkaline fuel cells

- Letsau, Thabakgolo Tiego

  • Authors: Letsau, Thabakgolo Tiego
  • Date: 2021
  • Language: English
  • Type: Masters (Thesis)
  • Identifier: http://hdl.handle.net/10210/484017 , uj:43947
  • Description: Abstract: Imidazolium quaternized poly (2, 6 dimethyl – 1, 4 phenylene oxide) (ImPPO) blended with functionalized Zeolitic Imidazole Framework (ZIF-8) (ImPPO/ZIF-8) as an anionic exchange membrane (AEM) were prepared for direct methanol alkaline fuel cell application. The ImPPO/ZIF-8 blended membranes were prepared by the solution casting method. ImPPO was prepared by dissolving BrPPO in NMP at 80 ºC to make a 15 wt. %, then 2-methylimidazole was added to the mixture until it dissolved. To get ImPPO/0, 1, 3 and 5% ZIF-8, different ratios of ZIF-8 (0, 1, 3 and 5%) were added to the ImPPO solution. To complete the quaternization the membranes were soaked in the 2-methylimidazole solution for 24 h. The membranes were then soaked in 1 M KOH for 24 h to change the membranes from Br- form to OH- form. Finally, the membranes were washed repeatedly with de-ionized water to remove any residual KOH and stored dry for further studies... , M.Sc. (Chemistry)
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Antifeedant and insecticidal activities of members of the family Meliaceae in South Africa

- Shilaluke, Kolwane Calphonia

  • Authors: Shilaluke, Kolwane Calphonia
  • Date: 2021
  • Language: English
  • Type: Masters (Thesis)
  • Identifier: http://hdl.handle.net/10210/484356 , uj:43990
  • Description: Abstract: Botanical pesticides have emerged as a promising alternative to synthetic chemical ones due to their non-persistence, high selectivity, and low mammalian toxicity. Plants are known to be rich sources of bioactive chemicals and hence they are considered to be a good alternative source of agents for controlling insects. The aim of the study was to assess the antifeedant and insecticidal properties of selected South African species of the family Meliaceae against the fall armyworm and diamondback moth. The study hypothesized that the selected plants used traditionally as insecticides will exhibit insecticidal, antifeedant or deterrent properties. The first objective of this study was to conduct an ethnobotanical literature survey to document medicinal plants that are used traditionally as insecticides and antifeedants, and to determine if these plants have previously been scientifically proven to have such properties. This literature survey identified 113 plant species distributed in 35 families using journal articles sourced from different databases and books... , M.Sc. (Botany)
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