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ENVIRONMENTAL OCCURRENCE AND ECOTOXICOLOGICAL RISKS OF CONTAMINANTS OF EMERGING CONCERN IN THE RIVER ATHI BASIN, KENYA: ANALYTICAL AND KINETIC ADSORPTION STUDIES USING AGRICULTURAL WASTE BIOCHARS
(University of Eldoret, 2024)Globally, the environmental occurrence of Contaminants of Emerging Concern (CECs) including Active Pharmaceutical Ingredients (APIs), Personal Care Products (PCPs) and pesticides has raised ecological and human health ... -
HEAVY METALS IN WATER, SOIL AND PUMPKIN (Cucurbita maxima) LEAVES FROM SHIYALU-LURAMBI AREA KAKAMEGA COUNTY KENYA: CONTAMINATION LEVELS AND SPECIATION ANALYSIS
(University of Eldoret, 2024)Pollution of the environment by heavy metals is a major global concern. Arsenic (As), cadmium (Cd), lead (Pb), nickel (Ni), copper (Cu), and zinc (Zn) present the greatest environmental threat because of their widest ... -
BACTERIOLOGICAL QUALITY OF FRESH MEAT SOLD WITHIN ELDORET TOWN
(University of Eldoret, 2024)Meat is the primary source of proteins in many parts of Africa. In many cases however, it is major point of entry of many zoonotic diseases. Further, due to the long and many procedures involved in the meat industry, it ... -
COMPUTER-BASED LABORATORY SIMULATIONS AND DEVELOPMENT OF INQUIRY SKILLS IN ELECTRO-CHEMISTRY IN SECONDARY SCHOOLS INSTRUCTION IN BOMET COUNTY
(University of Eldoret, 2023-08)Computer technology has advanced to the point where it can significantly enable inquiry learning to be used at various levels, and offer new tools for representing the nature of science in the classroom. Traditional education ... -
INVESTIGATION OF Pavonia urens AS A POTENTIAL BIOSORBENT IN HEAVY METAL REMOVALTHROUGH COMPLEXATION
(University of Eldoret, 2023-09)Metal ion-related environmental pollution poses a possible risk to human life. This is a result of various chemical wastes being released into the environment after being treated in an affordable and effective manner. ... -
BIOGENIC SYNTHESIS AND CHARACTERIZATION OF ZnO AND CuO NANOPARTICLES FROM Entada abyssinica AND Warburgia ugandensis LEAF EXTRACTS FOR ANTI-BACTERIAL APPLICATIONS
(University of Eldoret, 2023-09)In this study, biosynthesis, structural characterizations, optical and bactericidal properties of copper oxide and zinc oxide nanoparticles have been documented. Copper oxide (CuO) and zinc oxide (ZnO) nanoparticles were ... -
ANTIDIABETIC PROPERTIES OF Tarchonanthus camphoratus IN FRUCTOSE-INDUCED DIABETIC WISTAR RATS
(University of Eldoret, 2023-10)Tarchonantus camphoratus (TC) has been used traditionally to manage several diseases such as diabetes mellitus (DM) including in Kenya but its anti-diabetic efficacy has not been scientifically evaluated. Therefore, this ... -
QUANTIFICATION OF Cr +3, Cr +6, TOTAL CHROMIUM, AND PHYSICOCHEMICAL CHARACTERISTICS OF TANNERY WASTEWATER EFFLUENTS: A case study of Bata Tanneries, Kenya
(University of Eldoret, 2022-10)Kenya's tanning industry is a key economic sector. Leather processing generates toxic effluents depending on the process. Bata leather industries in Kenya have been discharging effluent to nearby rivers leading to human ... -
WATER QUALITY OF ATHI RIVER AND ITS TRIBUTARIES BASED ON SELECTED PHYSICAL-CHEMICAL PARAMETERS, HEAVY METALS AND BACTERIAL LEVELS
(University of Eldoret, 2022)Pollution is one of the major challenges facing water resources management in Kenya. This study was carried out to assess and monitor water quality status of the Athi River and its tributaries based on selected basic ... -
SYNTHESIS AND CHARACTERISATION OF NICKEL AND PALLADIUM BIMETALLIC COMPLEXES AND THEIR CATALYTIC APPLICATION IN OLIGOMERISATION OF 1-HEXENE
(University of Eldoret, 2022)In this work, typical homobimetallic complexes derived from N,O-salicylaldimine ligands were investigated for their catalytic potential in oligomerisation of 1-hexene. Catalysts of monometallic nature, that is, those ... -
THE SPATIAL AND TEMPORAL VARIATION OF SELECTED HEAVY METALS, NITROGEN AND PHOSPHORUS IN WATER AND SOILS OF YALA SWAMP, KENYA
(University of Eldoret, 2013)Studies involving pollutants in the environment have been used as an indicator of their accumulation resulting from human activities. A study of spatial and temporal variation of pollutants involving forty four water and ... -
EFFECT OF LABORATORY RESOURCES AVAILABILITY AND USABILITY ON STUDENTS’ ACHIEVEMENT IN PRACTICAL CHEMISTRY IN SOTIK SUB-COUNTY, KENYA
(University of Eldoret, 2016)In the years 2010 and 2011, poor results in Chemistry were recorded among secondary school students in Sotik Sub-County. Lack of efficient use of laboratory resources was cited as one reason for the poor performance. ... -
EFFECT OF GRAIN SIZE, BED DEPTH AND RETENTION TIME IN INTERMITTENT BIOSAND FILTERS FOR IMPROVEMENT OF SECONDARY SEWAGE EFFLUENT QUALITY
(University of Eldoret, 2014)Biosand filtration (BsF) is a simple technique used for pathogen and particle removal in drinking water purification. It may be adapted for wastewater stabilization but only a few studies have been done on improvement ... -
ACTIVITY OF TEPHROSIA VOGELII CRUDE EXTRACT AGAINST LEISMANIA MAJOR IN EXPERIMENTALLY INFECTED BALB/c MICE
(University of Eldoret, 2016)Leishmaniasis, a vector-borne disease caused by obligate intra-macrophage protozoa, is endemic in large areas of the Tropics, Subtropics and the Mediterranean basin and 350 million people are considered at risk. The ... -
EFFICACY OF NEW PYRETHRUM SYNERGISTS FROM OCIMUM KILIMANDSCHARICUM GUERKE AND TAGETES MINUTA L. AGAINST MALARIA VECTOR THE ANOPHELES GAMBIAE
(University of Eldoret, 2016)Mosquitoes are vectors that carry disease-causing viruses and parasites from person to person. Some of these diseases such as dengue, malaria, rift valley fever, yellow fever among others can be life threatening. Vector ... -
ANALYSIS OF THE LEVELS OF SELECTED HEAVY METALS IN THE VICINITY OF A LEAD BATTERIES RECYCLER PLANT IN ATHI-RIVER, KENYA
(University of Eldoret, 2015)The levels of heavy metals in the environment have been increasing in the recent past as a result of human activities. Since toxicity of heavy metals is widely known, their speciation is increasingly attracting attention. ... -
POTENTIAL OF TEA FACTORY WASTE IN REMOVAL OF SELECTED HEAVY METAL IONS FROM SIMULATED CONTAMINATED WASTE WATER
(University of Eldoret, 2014)Pollution of water resources has increased with human activities world over and heavy metals are major contaminants. In this study, removal of Cd2+, Cr3+, Cu2+, Pb2+ and Zn2+ ions from simulated contaminated water using ... -
ASSESSMENT OF LEVELS OF SELECTED HEAVY METALS AND COLIFORM BACTERIA IN SOIL AND VEGETABLES GROWN AT ELDORET MUNICIPAL DUMPSITE
(University of Eldoret, 2015)Agricultural practices are on the rise in urban areas of developing countries; Kenya included due to the high rate of urbanization which comes with associated challenges such as increased demand for food and employment. ... -
PHYTOCHEMICAL ATTRACTANTS AND REPELLENTS FROM SELECTED KENYAN VARIETIES OF MANGO (Mangifera indica L.) AS CONTROL TOOLS FOR MANGO FRUIT FLY, Bactrocera invadens (DIPTERA: TEPHRITIDAE)
(University of Eldoret, 2018)Infestation of mangoes (Mangifera indica L.) by the mango fruit fly, Bactocera invadens (Drew, Tsuruta and White) is a big threat to mango production in Kenya. The pest infestation leads to poor quality fruits that cannot ... -
DETERMINATION OF SELECTED HEAVY METALS POLLUTANTS AND PHYSIO-CHEMICAL PARAMETERS IN SEDIMENTS AND WATER: A CASE STUDY OF RIVER ATHI MACHAKOS COUNTY
(University of Eldoret, 2013)The study set out to evaluate the effect of industrial activities by analyzing selected heavy metals and physicochemical parameters of water. Chemical survey was conducted in 9 selected sites (potential polluting sites) ...
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