Research Articles: Recent submissions
Now showing items 41-60 of 72
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Preparation and Identification of Reduced Phosphomolybdate Via, Molybdenum Blue Reaction
(Oriental Journal of Chemistry, 2020)Sodium thiosulphate reduced phosphomolybdate (STRP) was prepared based on the condensation of phosphate and molybdate ions in aqueous acid medium to form phosphomolybdic acid (PMA) followed by its reduction to molybdenum ... -
Trace Metal Leaching from Cookware Locally Fabricated from Scrap Metal: A Case Study of Ntungamo District, Uganda
(American Journal of Analytical Chemistry, 2022)Abstract Heavy metal exposure remains a significant public health problem, particularly in sub-Saharan Africa where use of artisanal cookware made from recycled metallic materials is still common. In this study, the effect ... -
Target, Suspect and Non-Target Screening of Silylated Derivatives of Polar Compounds Based on Single Ion Monitoring GC-MS
(International journal of environmental research and public health, 2019)Abstract: There is growing interest in determining the unidentified peaks within some sample spectra besides the analyses of interest. Availability of reference standards and hyphenated instruments has been a key and ... -
Spectrophotometric Determination of Low Levels of the Orthophosphate Anion as Molybdenum Blue using Sodium Thiosulphate Reducing agent
(Oriental Journal of Chemistry, 2020)ABSTRACT A simple spectrophotometric method for the determination of low levels of the orthophosphate (PO43-) in environmental water systems is reported. The method is based the formation of the phosphomolybdate from the ... -
Aflatoxin Contamination of Cattle’s Concentrate Feeds; A Case Study in Dar Es Salaam-tanzania
(Research square, 2022-07-08)Abstract Background Aflatoxicosis associated with the consumption of aflatoxin contaminated maize and maize products has been reported in the central part of Tanzania (Chemba, Kondoa, and Kiteto), however little is known ... -
Temporal and Spatial Seasonal Variations in Quality of Gravity Flow Water in Kyanamira Sub-County, Kabale District, Uganda
(Journal of Water Resource and Protection, 2017-04-20)The study was designed to investigate temporal and spatial seasonal variations in quality properties of gravity flow water samples collected from Kigata, Kacuro, Kihanga, Kitibya and Kanjobe located in Kyanamira Sub-County, ... -
Spatial Variation in Physicochemical Surface Water Quality in River Rwizi, Western Uganda
(Journal of Water Resource and Protection, 2019-12-04)River Rwizi originates from the Buhweju hills. It is a major source of water for the inhabitants of Mbarara Municipality and surrounding environment. In this study, spatial variation of water quality in River Rwizi section ... -
Sorption and Desorption Phenomena of Urban Biowaste-Based Heavy Metals by a Ferralsol
(Journal of Agricultural Chemistry and Environment, 2020-01-17)Background: The objective of this study was to examine the adsorption-desorption phenomena of heavy metals in an agricultural Ferrosol treated with sewage solid waste at rates usually applied for soil fertility management. ... -
Occurrence and significance of polychlorinated biphenyls in water, sediment pore water and surface sediments of Umgeni River, KwaZulu-Natal, South Africa
(Environ Monit Assess, 2015-08-05)The Umgeni River is one of the main sources of water in KwaZulu-Natal, South Africa; however; there is currently a lack of information on the presence and distribution of polychlorinated biphenyls (PCBs) in its sediment, ... -
Quantitative analyses of selected polychlorinated biphenyl (PCB) congeners in water, soil, and sediment during winter and spring seasons from Msunduzi River, South Africa
(Environ Monit Assess, 2018-09-20)The lack of information and the need for knowledge on the organic pollutants within the area of KwaZulu-Natal together with the global problem of water supply have prompted our investigation into the analyses of eight ... -
Potential of Artocarpus heterophyllus Seed Powder in the Adsorption of Chromium(VI) from Aqueous Solution
(Journal of Water Resource and Protection, 2017-05-22)The potential of Artocarpus heterophyllus (Jackfruit) seed powder in adsorption of chromium(VI) from aqueous solution was studied using batch technique. The performance of the adsorption process was evaluated against contact ... -
Pharmaceutical residues in water and sediment of Msunduzi River, KwaZulu-Natal, South Africa
(Chemosphere, 2015-03-27)The little data about pharmaceutical residue contamination in African water bodies motivated our study on the occurrence of pharmaceutical residues in the water and sediment of Msunduzi River in the KwaZulu-Natal province ... -
Pesticide use in vegetable production in rural Uganda -A case study of Kabale District, South western Uganda
(African Journal of Agricultural Research, 2020-09-29)A study to investigate commonly grown vegetables, commonly used pesticides, and pesticide use practices was conducted in Kabale District, in South-western Uganda. This is because indiscriminate pesticide use and poor ... -
Occurrence of selected pharmaceuticals in water and sedimentof Umgeni River, KwaZulu-Natal, South Africa
(Environ Sci Pollut Res, 2015-02-05)Selected pharmaceuticals including antibiotics, an-tipyretics, a stimulant, an antiepileptic and an antipsychoticdrug were determined in wastewater, surface water and sedi-ment along the Umgeni River which is the main ... -
Novel methods for quantitative analysis and evaluation of effects of chronic exposure to microcystins by capillary electrophoresis and metabolomics studies
(2010)This thesis describes capillary electrophoresis (CE) methods for separation and quantification of cyan toxins in water; and “metabolomics” and “metabonomic” approaches for investigation of the effect of exposure of a human ... -
Mobility of Chromium, Copper and Arsenic in Amended Chromated Copper Arsenate Contaminated Soils
(Asian Journal of Applied Chemistry Research, 2020-09-23)The use of copper-based preservatives such as chromated copper arsenate (CCA) and creosote to prolong the life of lumber present environmental concerns because they contain heavy metals and polycyclic aromatic hydrocarbons ... -
Metabolomics Approach for Investigation of Effects of Dengue Virus Infection Using the EA.hy926 Cell Line
(Journal of Proteome Research, 2010-10-18)This paper describes a multiplatform analytical approach combining proton nuclear magnetic resonance (1H NMR) spectroscopy and mass spectrometry (MS), together with pattern recognition tools in a metabolomics study used ... -
Occurrence and significance of polychlorinated biphenylsin water, sediment pore water and surface sedimentsof Umgeni River, KwaZulu-Natal, South Africa
(Environ Monit Assess, 2015-08-05)The Umgeni River is one of the main sourcesof water in KwaZulu-Natal, South Africa; however;there is currently a lack of information on the presenceand distribution of polychlorinated biphenyls (PCBs) inits sediment, ... -
Investigation of the effect of exposure to non cytotoxic amounts of microcystins
(Metabolomics, 2010-12-12)This paper describes a metabolomic approach for investigation of the potential effect of exposure of humans to low amounts of microcystins using HepG2 cell line. Microcystins are hepatotoxins produced by cyanobacteria ... -
Indoor air quality in rural Southwestern Uganda: particulate matter, heavy metals and carbon monoxide in kitchens using charcoal fuel in Mbarara Municipality
(SN Applied Sciences, 2020-11-20)The use of biomass energy over open fires in sub-Saharan Africa is rampant yet it is associated with air pollution. Information on the contribution of common biomass like charcoal to indoor air pollution in Uganda is scarce; ...
