College of Natural Sciences (CoNAS): Recent submissions
Now showing items 1-20 of 299
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Dynamics of soil-transmitted helminths under mass drug administration among school children in Kumi Municipality, Eastern Uganda
(Makerere University, 2023-09)Soil-transmitted helminthiases (STH) are neglected tropical diseases of public health significance globally, WHO recommended periodic mass drug administration (MDA) in endemic areas. In 2003, Uganda initiated MDA but ... -
Optimization of Expected Utility of Consumption and Terminal wealth in a portfolio in continuous time.
(Makerere University., 2024-01-31)In this dissertation, addressing an investment-consumption problem with the goal of maximizing expected utility of consumption and terminal wealth in a portfolio in continuous time is considered. The action is two-fold in ... -
Dividend maximisation in an insurance process compounded by risky and non-risky investments.
(Makerere University., 2024-02-07)Shareholders of an insurance company would expect maximum dividends from their investment in insurance companies for decades. Therefore, there is a need for managers of insurance companies to pay out appealing dividends ... -
Assessment of mercury bioavailability in soils and potential uptake by food crops grown around selected artisanal and small-scale gold mining areas of Eastern Uganda
(Makerere University, 2024)The unregulated use of elemental mercury (Hg) in artisanal and small-scale gold mining (ASGM) to extract gold from its ore results in metal pollution of various environmental systems. ASGM employs the mercury amalgamation ... -
PAH derivatives in sediments and fish from white Nile near Melut oil fields, South Sudan: bioaccumulation and source apportionment
(Makerere University, 2024-01-06)This study was aimed at determining the occurrence and distribution of Nitro-PAHs, Oxy-PAHs and Hydroxy-PAHs in three different fish species (Oreochromis niloticus, Lates niloticus and Clarias gareepinus) and sediments ... -
A comparative analysis of the performance of field methods in the control of tsetse and trypanasomiasis: The case of Bugiri District in South Eastern Uganda.
(Makerere University., 2023-09-06)African Animal Trypanosomiasis (AAT) commonly known as Nagana continues to be a threat to livestock health and food security in Uganda. In Bugiri District, AAT is still endemic despite several interventions, and is a major ... -
Development and performance analysis of a parabolic dish solar concentrator integrated with a heat storage block
(Makerere University, 2023-12-13)Solar irradiance received on the earth’s surface is highly intermittent. This affects the availability of solar energy for cooking especially with parabolic dish solar cookers which rely on beam solar irradiance. In this ... -
Paediatric Clinical Indication Based Computed Tomography Dose Optimisation in Selected Imaging Centers in Kampala
(Makerere University., 2023-11-30)Optimizing radiation doses is crucial for safety, especially in paediatrics with radiosensitive organs.Computed tomography scans pose a global radiation protection concern due to their growing use, higher effective dose, ... -
On the irreducible representation of symmetric groups S6 and S7
(Makerere University., 2023-11-30)The focus here is on the representation theory of the symmetric group over a field of char acteristic zero. Every representation is built out of irreducible representations. The main aim of this dissertation is to describe ... -
Aflatoxin exposure in Southwestern Uganda and the ameliorative effects of selected medicinal plants on induced aflatoxicosis in wistar rats
(Makerere University, 2023-11)Introduction: Over 5.5 billion people, worldwide are chronically exposed to aflatoxins. This contributes to 40% of the African disease burden. Aflatoxins are mycotoxins produced by Aspergillus flavus and A. parasiticus, ... -
Prediction of immune state and viral suppression in HIV-1 infection using IL-6: IFN-γ ratios
(Makerere University, 2023-03-06)Introduction: Cytokine dysregulation is a hallmark of HIV infection with a rise in plasma IL-6 largely reported to enhance HIV-1 replication while IFN-γ shows hindrance. Besides, IL-6 inhibits IFN-γ secretion through the ... -
Origin and Hydrogeochemical formation processes of Geothermal fluids from the Kibiro area in Hoima District, Western Uganda.
(Makerere University., 2023-12-20)The Kibiro geothermal field, located in the western branch of the East African Rift System, has many geothermal surface manifestations. Geochemical studies on the classification of the geothermal water, evaluation of thermal ... -
Assessment of organochlorine pesticides in serum and urine of children from a community affected with nodding syndrome in Kitgum District
(Makerere University, 2023-11-23)This study aimed at determining the concentrations of OCP residues in serum and urine of children from a community affected with nodding syndrome (NS) in Kitgum District, Northern Uganda. A total of 150 urine and 75 serum ... -
Isolation and characterisation of compounds from Helichrysum odoratissimum (L.) Sweet and their activity on oral bacteria.
(Makerere University., 2023-11-27)Dental caries (DC) and Periodontal diseases (PD) are the most common oral diseases in the world today. Conventional treatment of these diseases relies on approaches that are not easily accessible to most rural populations, ... -
Positional behaviour and patterns of support utilization in chimpanzees
(Makerere University, 2023-08-12)Understanding the complex interplay between chimpanzee locomotion, feeding patterns, and both arboreal and terrestrial substrate utilization in their natural context is vital since chimpanzee populations and their habitats ... -
Physiological and growth response of oreochromis esculentus (Graham, 1929) populations to different temperature regimes: implications for species’ conservation and aquaculture management
(Makerere University, 2023-11)Oreochromis esculentus, the once most important commercial fish species in Lakes Victoria and Kyoga, is currently confined in a few minor lakes. The rising atmospheric temperatures due to climate change may worsen the ... -
Isolation and structure determination of phytochemicals from senna dydimobotrya leaf extract used in cancer management
(Makerere University, 2023-11-27)Cancer is the second leading cause of death worldwide accounting for an estimated 10 million cancer deaths by 2020 with more deaths recorded in economically developing countries. Cancer cases are projected to double by ... -
Power dynamics and marketing efficiency of silver cyprinid (Rastrineobola Argentea) at Kiyindi Landing
(Makerere University, 2023-12)Small pelagic species are considered major economic resource involving several actors to derive livelihoods. The high number of actors increases competition and may result in unequal distribution of benefits depending on ... -
Diversity of the bean anthracnose pathogen, colletotrichum lindemuthianum (sacc. and magn.) from major bean agroecological zones of Uganda
(Makerere University, 2023-11)Anthracnose disease in common bean (Phaseolus vulgaris L.) is a major disease caused by the fungus Colletotrichum lindemuthianum. Management through host-plant resistance is the best management option, but is constrained ... -
Photocatalytic Degradation of Methylene Blue Dye in Wastewater Using Iron-Doped Titanium Dioxide Nanoparticles.
(Makerere University., 2023-11-22)The photocatalytic degradation of methylene blue dye in wastewater was investigated using iron (III)-doped titanium dioxide nanoparticles. The nanoparticles were synthesized via the sol-gel method and calcined at a temperature ...