Browsing School of Science by Title
Now showing items 397-416 of 428
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SYNTHESIS AND CHARACTERIZATION OF NOVEL TBAF-PROMOTED DESILYLATION OF FLUOROGENIC 3-CYANO-7-HYDROXY-4-METHYLCOUMARIN DERIVATIVES AS POTENTIAL RAPID FLUORIDE DETECTORS IN POTABLE WATER
(University of Eldoret, 2021)Over the years, Fluoride has been identified as a contaminant of great global concern on drinking water safety. The need to prevent the population from consuming higher fluoride content in water lies in fluoride sensing. ... -
SYNTHESIS AND EVALUATION OF SURFACTANT AND BIODIESEL FROM SESAME OIL
(University of Eldoret, 2014)The search for alternative biodegradable and sustainable raw materials from renewable sources for industrial chemicals to replace the depleted commercially available petrochemicals raw materials has become an area of great ... -
SYNTHESIS OF A PHENYLETHYLTHIOUREA DERIVATIVE AS A POTENTIAL NON-NUCLEOSIDE INHIBITOR OF HIV-1 REVERSE TRANSCRIPTASE
(2016-05-20)The emergence of resistant strains of HIV-1 towards existing drugs has prompted a search for new compounds with good antiviral activity and favourable toxicological profile. This work reports the synthesis of a PETT ... -
SYNTHESIS OF A PHENYLETHYLTHIOUREA DERIVATIVE AS A POTENTIAL NON-NUCLEOSIDE INHIBITOR OF HIV-1 REVERSE TRANSCRIPTASE
(2016-05-20)The emergence of resistant strains of HIV-1 towards existing drugs has prompted a search for new compounds with good antiviral activity and favourable toxicological profile. This work reports the synthesis of a PETT ... -
SYNTHESIS OF A PHENYLETHYLTHIOUREA DERIVATIVE AS A POTENTIAL NON-NUCLEOSIDE INHIBITOR OF HIV-1 REVERSE TRANSCRIPTASE
(University of Eldoret, 2013)The emergence of resistant strains of HIV-1 towards existing drugs has prompted a search for new compounds with good antiviral activity and favourable toxicological profile. This work reports the synthesis of a PETT ... -
SYNTHESIS, CHARACTERIZATION OF ZnO NANO PHOTOCATALYSTS AND THEIR APPLICATION IN PHOTOREMEDIATION OF WASTE WATER
(2016-05-19)Water scarcity and its contamination with toxic metal ions and organic dyes represent a serious worldwide problem in the 21stcentury. Today’s world faces alarming challenges in the rising demand for drinking water and ... -
SYNTHESIS, GROWTH AND PHYSICO-CHEMICAL PROPERTIES OF TITANIUM DIOXIDE NANOTUBES FOR PHOTOCATALYTIC WATER PURIFICATION
(2018)Titanium dioxide (TiO2) photocatalysis is a promising method for decomposition of organic contaminants in water and belong to new a class of water purification methods called advanced oxidation processes (AOPs). AOPs ... -
SYNTHESIS, SPECTRAL AND ELECTROCHEMICAL STUDIES OF
(2016-05-19)In this thesis, the synthesis, characterization and electrochemical studies of monometallic and bimetallic complexes of schiff base ligands have been undertaken. Synthesis of bimetallic complexes initially involved preparation ... -
SYNTHESIS, SPECTRAL AND ELECTROCHEMICAL STUDIES OF HETEROBIMETALLIC COMPLEXES CONTAINING MOLYBDENUM (V) LINKED TO NICKEL AND COBALT SCHIFF BASE COMPLEXES
(University of Eldoret, 2013)In this thesis, the synthesis, characterization and electrochemical studies of monometallic and bimetallic complexes of schiff base ligands have been undertaken. Synthesis of bimetallic complexes initially involved preparation ... -
Taxonomy and Diversity of Vascular Plant Species in Cherangani Forest of Marakwet West in Kenya
(Africa Environmental Review, 2022)The availability of accurate and sufficient information on plant taxonomic groups and similarity measures is crucial for making informed conservation decisions.In many forests, due to human population pressure, ... -
TAXONOMY AND NUTRIENT COMPOSITION OF SPECIES IN THE Vernonia hymenolepis A. RICH. COMPLEX IN TROPICAL EAST AFRICA
(2016-05-20)Three Stengelioid species forming a complex in the genus Vernonia Schreber. in Tropical East Africa viz., Vernonia calvoana (Hook.f.) Hook.f., Vernonia hymenolepis A. Rich. and Vernonia tolypophora Mattf. were investigated ... -
TAXONOMY AND NUTRIENT COMPOSITION OF SPECIES IN THE Vernonia hymenolepis A. RICH. COMPLEX IN TROPICAL EAST AFRICA
(University of Eldoret, 2015)Three Stengelioid species forming a complex in the genus Vernonia Schreber. in Tropical East Africa viz., Vernonia calvoana (Hook.f.) Hook.f., Vernonia hymenolepis A. Rich. and Vernonia tolypophora Mattf. were investigated ... -
TAXONOMY, DIVERSITY, STRUCTURE, USES AND THREATS OF PLANT SPECIES IN CHERANGANI FOREST OF ELGEYO MARAKWET, KENYA
(University of Eldoret, 2023-07)The pursuit for a local floristic database amidst, uncontrolled resource uses, an alarming rate of forest destruction and loss of species informed the need for a botanical inventory in five blocks of Cherangani forest. ... -
THEORETICAL ANALYSIS OF A SOLAR AIR COLLECTOR WITH A RECTANGULAR AIR-DUCT PROFILE
(University of Eldoret, 2012)Any solar energy conversion system requires proper designing and sizing in order for it to be cost effective with respect to energy production under the prevailing climatic conditions and initial cost. Modelling and ... -
THEORETICAL DETERMINATION OF SPECIFIC HEAT AND CRITICAL TEMPERATURE OF HIGH-TC CUPRATE SUPERCONDUCTORS BASED ON INTRALAYER AND INTERLAYER INTERACTIONS
(University of Eldoret, 2013)The role of attractive interlayer and intralayer interactions in layered high-Tc Cuprate superconductors was investigated using a two-layer Hamiltonian. The Hamiltonian was formulated and diagonalized using Bogoliubov ... -
THERMODYNAMIC PROPERTIES OF HIGH TEMPERATURE SUPERCONDUCTORS BASED ON THE t-J-d MODEL
(University of Eldoret, 2015)Many theories that attempt to describe the superconducting state have suffered significant failures, leaving the t-J model as the only model which effectively captures the physics of the strong correlations inherent ... -
TO EVALUATE THE OCCURRENCE, PREVALENCE AND DISTRIBUTION OF VARROA MITE (Varroa destructor) AND ASSOCIATED INSECT PESTS OF HONEY BEE (Apis mellifera) IN UASIN GISHU COUNTY, KENYA.
(University of Eldoret, 2017)The loss of Apis mellifera colonies in recent years has been in many regions of the world been alarmingly high. No single cause has been identified for these losses, but the interactions between several factors (mostly ... -
TOWARDS TECHNICAL DEVELOPMENT OF NATURAL DYES FOR THE TEXTILE INDUSTRY IN KENYA: A CASE STUDY OF Bixa orellana.L SOLVENT EXTRACT.
(University of Eldoret, 2017)The aim of the study is to report the dyeing of textile fibres using the natural dyes extracted from the seeds of Bixa orellana Linn. Natural dyes derived from plant materials have proved to be important alternatives to ... -
TRADITIONAL MEDICINES TO CURE DIABETES MELLITUS IN THE NORTH RIFT
(Directorate of Research and Innovation, University of Eldoret, 2021-03)Presently, there are more than 415 million people affected by diabetes mellitus worldwide,(International Diabetes Federation). This figure is projected to rise to over 642 million or more by 2040. Around 90% of diabetic ... -
Transformer mineral oil ingestion induces systemic sub-acute toxicity in Wistar rats
(Heliyon, 2019)We investigated the potential toxicities associated with the sub-acute ingestion of transformer mineral oil (TMO) at a heated low dose (HLD-50 mg/kg), heated high dose (HHD-500 mg/kg) and unheated high dose (UHD-500 mg/kg) ...