MMUST Institutional Repository: Recent submissions
Now showing items 1761-1780 of 2256
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Derivatization Reactions and Reagents for Gas Chromatography Analysis.
(Advanced Gas Chromatography - Progress in Agricultural, Biomedical and Industrial Applications, 2012-03)Derivatization reactions are meant to transform an analyte for detectability in Gas Chromatography (GC) or other instrumental analytical methods. Derivatization in GC analysis can be defined as a procedural technique that ... -
Residue levels and discharge loads of antibiotics in wastewater treatment plants ( WWTPs), hospital lagoons, and rivers within Lake Victoria Basin, Kenya.
(Environmental Monitoring and Assessment, 2016-08)The detection of antibiotics in water systems has instigated great environmental concern due to the toxicological effects associated with these compounds. Their discharge into the environment results from the ubiquity of ... -
Bioaccumulation of perfluoroalkyl acids in dairy cows in a naturally contaminated environment.
(Environmental Science and Pollution Research, 2013-05-04)Beef and dairy products may be important vectors of human exposure to perfluoroalkyl acids (PFAAs), but the understanding of how PFAAs are accumulated and transferred through agricultural food chains is very limited. Here, ... -
Per- and polyfluoroalkyl substances in selected sewage sludge in Nigeria.
(Chemosphere, 2013-07-03)Levels of seven major perfluoroalkyl carboxylates (PFCAs) and three perfluoroalkyl sulfonates (PFSAs) were analyzed for the first time in sludge from wastewater treatment plants from Nigeria. Measurements were performed ... -
Perfluoroalkyl acids in selected wastewater treatment plants and their discharge load within the Lake Victoria basin in Kenya
(Environmental Monitoring and Assessment, 2015-04-11)A major ecological challenge facing Lake Victoria basin is the influx of chemical contaminants from domestic, hospital, and industrial effluents. Determined levels of perfluoroalkyl acids (PFAAs) in wastewater and sludge ... -
Insights on adsorption of carbamazepine onto iron oxide modified diatomaceous earth: Kinetics, isotherms, thermodynamics, and mechanisms
(Environmental Research, 2020-01)To ameliorate adsorbent recovery by an external magnetic field, naturally occurring diatomaceous earth (DE) was modified with iron-oxide, characterized and applied for adsorption of carbamazepine (CBZ) from synthetic ... -
Biodegradation of carbofuran in soils within Nzoia River Basin, Kenya
(Journal of Environmental Science and Health, Part B, 2015-04)Carbofuran (2,3-dihydro-2,2-dimethylbenzofuran-7-yl methylcarbamate) has been used within the Nzoia River Basin (NRB), especially in Bunyala Rice Irrigation Schemes, in Kenya for the control of pests. In this study, the ... -
Comparative studies in electrochemical degradation of sulfamethoxazole and diclofenac in water by using various electrodes and phosphate and sulfate supporting electrolytes
(Journal of Environmental Science and Health, Part A, 2016-06-23)In this study, the electro-oxidation capacities of Na2SO4 and potassium phosphate buffer supporting electrolytes were tested and compared for destruction of the sulfamethoxazole (SMX) and diclofenac (DCF) on platinum (Pt) ... -
Perfluorinated Compounds Distribution and Source Identification in Sediments of Lake Victoria Gulf Basin
(Soil and Sediment Contamination, 2011-03-03)Perfluorooctanoic acid and perfluorooctane sulfonate were determined in the sediments from Winam Gulf, which is in the Kenyan side of Lake Victoria and in its source rivers. The sources of perfluorinated compounds within ... -
The Dissipation of Carbofuran in Two Soils with Different Pesticide Application Histories within Nzoia River Drainage Basin, Kenya
(Bulletin of Environmental Contamination and Toxicology, 2014-02-28)The dissipation of carbofuran from soils within the Nzoia River Drainage Basin in Kenya was studied under real field conditions for 112 days. Results showed significantly enhanced dissipation of carbofuran with half life ... -
Assessment of heavy metals in benthic macroinvertebrates, water and sediments in River Isiukhu, Kenya
(Environmental Monitoring and Assessment, 2019-10-16)A major ecological challenge facing freshwater resources such as rivers is the influx of chemical contaminants from anthropogenic sources. A report on the levels of heavy metals, namely Zn, Cu, Cr, Cd and Pb in benthic ... -
The Influence of Filter Mud Compost and Tithonia diversifolia Leaves on the Dissipation of Diuron in Soils within the Nzoia River Drainage Basin, Kenya
(Bulletin of Environmental Contamination and Toxicology, 2012-05-22)The aim of the study was to evaluate the environmental impact of filter mud compost and Tithonia diversifoila amendments on the dissipation of diuron in sugarcane cultivated soils. Filter mud compost is the by-product of ... -
Chemicals of Emerging Concern in Surface and Wastewater: A Perspective of Their Fate Within the Lake Victoria Catchment Area of KenyaAbstract
(2020-01)Rapid technological advancement in the pharmaceuticals and chemical industry has led to synthesis of compounds used for health/personal care and industrial products in large amounts. These chemicals of emerging concern ... -
Assessment of Environmental Sources, Levels and Distribution of Polycyclic Aromatic Hydrocarbons within Nzoia Catchment Area in Kenya
(Journal of Environmental Protection, 2019-06)Continuous concerns about Polycyclic Aromatic Hydrocarbons (PAHs) presence in the environment have raised concern because of their toxic effects to various organisms. Sugarcane farming and cane processing industries are ... -
Morphological Assessment and Effectiveness of Indigenous Rhizobia Isolates that Nodulate P. vulgaris in Water Hyacinth Compost Testing Field in Lake Victoria Basin
(British Journal of Applied Science & Technology, 2014-01)Aims: The study was aimed at isolating, identifying and assessing the effectiveness of indigenous rhizobia nodulating P. vulgaris in Lake Victoria Basin (LVB). Study design: Randomized complete block design. Place and ... -
RosenzweigMacAurther Model with Holling type II Predator Functional Response for Constant Delayed Migration. Asian Research Journal of Mathematics
(Asian Research Journal of Mathematics, 2019-08-29)Predator-prey models describe the interaction between two species, the prey which serves as a food source to the predator. The migration of the prey for safety reasons after a predator attack and the predator in search of ... -
The Role of Public-Private Partnerships (PPP) in Ensuring Technology Access for Farmers in sub-Saharan Africa
(African Journal of Food, Agriculture, Nutrition and Development, 202-04-15)Public-private partnerships in agriculture are collaborative mechanisms in which actors in research fields and the private sector share resources, risk and generate innovation for the development of the agricultural sector, ... -
A Qualitative Approach To Understanding The Determinants Of Mobile Phone Users’ Intention To Use Mobile Payment Services.
(IEEE, 2019-07-18)This paper discusses the determinants of mobile phone user's intention to use mobile payment services in Kenya and how they influence on mobile money use. The paper also looks at how these determinants impacts on the mobile ... -
THE STRUCTURAL BEHAVIOUR OF CONCRETE- FILLED BAMBOO COLUMNS UNDER AXIAL COMPRESSION
(MMUST, 2021-03)Bamboo is a renewable and versatile resource, characterized by high strength to weight ratio, and has been widely used in the past to build both permanent and temporary structures. However it has a low compressive bearing ... -
Fish Tissue Bio-concentration and Interspecies Uptake of Heavy Metals from Waste Water Lagoons
(Journal of Pollution Effects & Control, 2016-01)Fish products may be important vectors of human exposure to heavy metals. However the understanding of how heavy metals bioconcentrate in different fish species (sp.) through contaminated environments such as wastewater ...
