School of Physical Sciences (Phys-Sciences) Collections: Recent submissions
Now showing items 121-140 of 198
-
Synthesis of cyclic carbonates from epoxides and carbon dioxide catalyzed by talc and other phyllosilicates
(Springer Nature, 2020)Naturally occurring phyllosilicate minerals such as talc and vermiculite in conjunction with n-tetra butyl ammonium bromide (TBAB) co-catalyst were found to be efficient in the coupling of CO2 with epoxides to form cyclic ... -
Organochlorine pesticide residues in Uganda’s honey as a bioindicator of environmental contamination and reproductive health implications to consumers
(Elsevier, 2021)Honey has multifaceted nutritional and medicinal values; however, its quality is hinged on the floral origin of the nectar. Taking advantage of the large areas that they cover; honeybees are often used as bioindicators of ... -
Selective oxidation of benzyl alcohols with molecular oxygen as the oxidant using Ag-Cu catalysts supported on polyoxometalates
(Elsevier, 2021)We report an efficient process for the oxidation of benzyl alcohols using molecular oxygen as the oxidant catalyzed by Ag-Cu catalysts supported on polyoxometalates (Ag-Cu/POM). The Ag-Cu/POM catalyst was prepared by ... -
X-ray emission properties of supernova remnants SN1987A and SN1006 from Chandra data
(Makerere University, 2021-12-07)In this study, we present X-ray emission properties of Type I and Type II supernova remnants from the Milky Way and Large Magellanic Cloud galaxies, respectively, using \textitChandra} data. Supernovae, the core-collapse ... -
Glycerol carbonylation with CO2 to form glycerol carbonate: A review of recent developments and challenges
(Elsevier, 2021-10)The utilization of CO2 as a feedstock to produce valuable chemical products is an important area of research in the field of sustainable chemistry and climate change. It addresses the challenge of rising CO2 atmospheric ... -
Estimation of Ground Motion Levels Due To Earthquakes of the Albertine Graben In Uganda.
(Makerere University, 2021-02-17)Present probabilistic seismic hazard maps for the Albertine Graben, for peak ground acceleration and the spectral ordinate at periods of 0.2seconds and 1.0seconds;with 10 % probability of being exceeded on average once in ... -
Potential Hydrogeological Contaminants derived from petroleum activities in the Albertine Graben
(Makerere University, 2021-02)Current understanding of the hydrogeological characteristics of rift-margin environments is limited and not well reconciled to large- scale conceptual models of rift evolution. In Uganda with substantial dependence on ... -
Potential Hydrogeological Contaminants derived from petroleum activities in the Albertine Graben
(Makerere University, 2021-02)Current understanding of the hydrogeological characteristics of rift-margin environments is limited and not well reconciled to large- scale conceptual models of rift evolution. In Uganda with substantial dependence on ... -
Synthesis, catalysis and Nitrosyl derivatives of Iron(ii) complexes bearing Pentadentate Polypyridyl ligands
(Makerere University, 2021-04-06)The work described in this thesis reports the synthesis, characterization, and solution chemistry of a series of new pentadentate polypyridyl ligands and their corresponding Fe(II) complexes. The ligand structure was based ... -
Development of a sensible heat packed bed energy storage system for medium temperature applications
(Makerere University, 2020-11-01)Utilization of solar energy can be a strategy to provide clean and cheap energy for various purposes such as cooking. Unfortunately, solar energy is intermittent and unreliable for continuous usage. As a result, it ... -
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 ... -
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 ...