College of Natural Sciences (CoNAS): Recent submissions
Now showing items 201-220 of 335
-
Farmers’ awareness of bean leaf beetles (Ootheca spp.) and the virulence of Aspergillus flavus and Metarhizium Anisopliae against these pests in Uganda
(Makerere University, 2021-02)The common bean (Phaseolus vulgaris L.) is a widely grown crop and plays a key role of food and income security in Uganda. However, production of the crop is constrained by field insect pests including bean leaf beetles ... -
Occurrence, eco-toxicological risk assessment, sorption and degradation of selected emerging organic chemical pollutants in water and sediments of Lake Victoria, Uganda
(Makerere University, 2021-03)The occurrence of emerging chemical pollutants (ECPs) including; 25 pharmaceuticals, 11 personal care products, 6 plasticizers and 8 organophosphorus flame retardants was investigated in water and sediment samples collected ... -
Synthesis, Anti-plasmodial and Anti-microbial Properties of Carvotacetone Analogues
(Makerere University, 2021-03-30)Resistance of plasmodia parasites, Cryptococcus neoformans and methicillin resistant Staphylococcus aureus to the available medications are a major cause of concern worldwide. This situation necessitates the requirement ... -
Antiplasmodial activity, Toxicity and Phytochemistry of Selected Plant Species used by Rukararwe and Prometra Herbalists in Treatment of Malaria in Uganda
(Makerere University, 2021-03-30)Resistance of malaria parasites to known antimalarial drugs necessitated to finding new drugs from natural products which are readily available to treat malaria. The study documented; medicinal plants used in malaria ... -
Supported silver and copper catalysts for selective oxidation of benzyl alcohols using molecular oxygen as oxidant
(Makerere University, 2020-10)ABSTRACT This dissertation presents sustainable and efficient processes for the oxidation of benzyl alcohols using molecular oxygen as the oxidant and catalyzed by Ag-Cu bimetallic catalysts supported on polyoxometalates ... -
Effect of basin evolutionary factors on reservoir quality of the Semliki basin, Western Uganda
(Makerere University, 2021-02-06)Sedimentation in the Semliki basin is controlled by tectonics and climatic changes. These factors together control the patterns of river drainage, that create variations in sediments composition, heterogeneities in the ... -
Effect of thermal pretreatment of East African highland cooking banana peels on biogas production
(Makerere University, 2021-03)East African Highland Cooking Banana peels (EAHB peels) possess suitable properties for biogas production through anaerobic digestion however hydrolysis of EAHB Peels like other lignocellulosic materials is slow and therefore ... -
Prevalence of schistosomiasis and soil- transmitted helminthes and the associated risk factors among primary school children aged 10-14 years in Buyende District-Eastern Uganda
(Makerere University, 2020-03)Infestations of Schistosoma mansoni and STHs in children especially among the primary school age group is still a problem of public health concern in Uganda with an estimated prevalence in some areas at 4.5% despite the ... -
Biokinetics and modelling of pollutant accumulation in Cat fish (Clarius casonii) and Silver fish (Rasteneobola argentea) from selected aquatic ecosystems in Uganda
(Makerere University, 2019-12)Concentrations of DDT and its residues and heavy metals (Zn, Cu, Pb and Cd) were determined in Clarius casonii collected from Nakivubo and Lubigi wetlands and Rasteneobola argentea from lakes Victoria and Kyoga. Measured ... -
Characterization of Reservoir Properties for the Kisegi Formation in Semliki Basin, Albertine Graben, Western Uganda using Rock Physics Diagnostics
(Makerere University, 2019-11-22)The quality of a reservoir rock is a fundamental input in evaluating its productivity during exploration and appraisal. Therefore, attempts to characterize the formation using rock physics diagonostic ... -
Characterization of reservoir properties for the Kisegi Formation in Semliki Basin, Albertine Graben, Western Uganda using rock physics diagnostics
(Makerere University, 2019-11)The quality of a reservoir rock is a fundamental input in evaluating its productivity during exploration and appraisal. Therefore, attempts to characterize the formation using rock physics diagnostic ... -
Sorption kinetics and degradation of chlorpyrifos in selected Uganda soils using mixed solvents
(Makerere University, 2019-10)The purpose of this study was to determine sorption kinetics using mixed solvents and degradation of Chlorpyrifos in tropical soils. The information is important to understand the behaviour and fate of Chlorpyrifos in ... -
Isolation and structural elucidation of antibacterial triterpenoids compounds from stem bark of Psorospermum Febrifugum (spach var. febrifugum)
(Makerere University, 2019-10)In this study, Psorospermum febrifugum stem bark was investigated for the antibacterial compounds present in its stem bark. The stem bark of Psorospermum febrifugum was collected in Mpigi District, Misindye hill in Buwungu ... -
The effects of PMD in buried and aerial single mode and polarization maintaining fibers and performance of direct and external modulation techniques at high speed data rate
(Makerere University, 2019-06)Optical fiber transmission is greatly affected by dispersion and in this study, we experimentally investigate angular displacement and speed of state of polarization in Single Mode Fibers (SMF) and Polarization Maintaining ... -
Utilisation of excess power generated by stand-alone solar photovoltaic system: a case study in Uganda
(Makerere University, 2019-11-25)Stand-alone solar PV systems are increasingly installed worldwide. For reliability, these systems are mostly oversized because of the intermittent nature of the source of energy and to cater for days of autonomy. During ... -
Morphometrics, growth and nutritional characterization of selected bivalves' species from Lake Victoria
(Makerere University, 2020-01-07)Fish is a major source of animal protein to most people in Uganda. However, production from capture fisheries has declined, mainly due to overfishing. Aquaculture, which is a viable option to meet the fish demand is ... -
Indoor radon concentrations in the dormitories of selected secondary schools in Otuke District, Northern Uganda
(Makerere University, 2019-12-05)Inhalation of radon and its progeny is the most significant source of natural radiation exposure to human population. Over 50 % of the natural background radiation comes from radon (222Rn). This study measured background ... -
Assessment of organochlorine pesticide residues in blood and placenta tissues of mothers living in Kanungu District and Kampala Capital City
(Makerere University, 2019-12)This study determined the levels of organochlorine pesticides in blood and placenta tissues of mothers from Kanungu District (N=26) and Kampala Capital City (KCC) (N=26). Samples for Kanungu District were collected from ... -
Source rock maturation and hydrocarbon generation evaluation using 3D Basin modelling
(Makerere University, 2019-11)The Semliki basin is located in the Albertine Graben which is part of the western arm of the East African Rift System (EARS). The basin demonstrated existence of a Petroleum System (Kiconco, 2005 and PEPD, 2012). Although ... -
Organochlorine pesticides in mothers' breast milk and risk assessment posed to nursing infants in Kanungu District and Kampala District
(Makerere University, 2019-10)This is the second study to report organochlorines (OCPs) in maternal breast milk in Uganda. The main aims of the present study were to determine concentrations of selected organochlorine pesticides in mothers’ breast milk ...