School of Science: Recent submissions
Now showing items 421-440 of 491
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FOUR-BODY NON-ADDITIVITY AND THE TWIST OF B-DNA BASE-PAIR STEPS: A QUANTUM MONTE CARLO AND DENSITY FUNCTIONAL THEORY STUDY
(2018)The lack of many-body non-additivity consideration in DNA bases is common in a lot of research, yet it contributes significantly to B-DNA molecule dynamism. Previous ab initio studies have shown substantial challenge to ... -
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 ... -
OPTIMISING A RESTING BOX TO ENHANCE ADULT GRAVID FEMALE MOSQUITOE AUTO-DISSEMINATE LARVICIDE IN A SEMI FIELD
(2018)Malaria control strategies that target adult mosquitoes are challenged by the emergence of insecticide resistance and behavioral changes of vectors. The conventional approach of applying larvicides is limited by high ... -
A DENSITY FUNCTIONAL THEORY STUDY OF COPPER OXIDES NANOWIRES AND CLUSTERS ON ANATASE TiO2 (101) SURFACE FOR PHOTOCATALYTIC WATER SPLITTING
(2018)Copper oxides deposited at titania surfaces have a beneficial effect on the photocatalytic activity of TiO2, particularly water splitting. However, the role of copper oxides and mechanisms of enhancement remains to be ... -
SPATIO -TEMPORAL DISTRIBUTION AND RISK FACTORS ASSOCIATED WITH PHLEBOTOMINE SAND FLIES AND LEISHMANIASIS IN Mt. ELGON REGION, KENYA
(2018)This study determined the spatio–temporal distribution, natural infection and risk factors associated with phlebotomine sand flies and leishmaniasis in Mt. Elgon focus in 2015. Collections of sandflies were carried out ... -
EFFICACIES OF CHLORFENVINPHOS, AMITRAZ AND ALPHACYPERMETHRIN AND THEIR COMBINATIONS ON RHIPICEPHALUS (BOOPHILUS) DECOLORATUS TICKS FROM CATTLE IN NANDI COUNTY, KENYA
(2018)The one-host tick, Rhipicephalus (Boophilus) decoloratus, is a ubiquitous ectoparasite of cattle in Nandi County, Kenya. For more than one decade, the County has used plunge dips to apply, either chlorfenvinphos, amitraz ... -
BIO-CONTROL OF SELECTED BARLEY FUNGAL PATHOGENS USING Paenibacillus polymyxa KaI245 ISOLATED FROM SORGHUM RHIZOSPHERE IN WESTERN KENYA
(2019)The use of agrochemicals in agriculture has several advantages but has been reported to cause phytotoxicity, hazardous to animals and the environment. In a quest to find alternatives, this study sought to test selected ... -
ANTIMICROBIAL ACTIVITY OF WARBURGIA UGANDENSIS, EUCLEA DIVINORUM, RHUS VULGARIS, OCIMUM GRATISSIMUM AND CLAUSENA ANISATA AGAINST ORAL PATHOGENIC MICROORGANISMS
(2018)Oral infections are the most prevalent diseases in man. Oral microbiota, which cause oral diseases, have developed resistance against some antibacterial agents such as metronidazole, tetracycline, erythromycin, cephalosporin ... -
CANCER RISKS ASSOCIATED WITH ARSENIC, CADMIUM, CHROMIUM AND LEAD EXPOSURE IN FLUORSPAR MINING BELT ELGEYO-MARAKWET COUNTY, KENYA
(2018)The elevated levels of heavy metals due to the mining activities in Fluorspar mining belt are a cause of environmental and health concern. The study was aimed at determining the concentrations of Arsenic (As), Cadmium ... -
ETIOLOGY OF LEAF RUST CAUSING FUNGI INFECTING SELECTED BRACHIARIA (Brachiaria mutica; Forssk) GENOTYPES IN KENYA
(2019)These rust diseases causing pathogens are also of importance to many crops, hence the need to clarify the species delimitations in the natural lineages infecting brachiaria grass. The classification of yellow leaf rust ... -
ANTIMICROBIAL PROPERTIES OF BLACK NIGHT SHADE (SOLANUM NIGRUM) GROWN IN THE RIFT VALLEY, WESTERN AND NYANZA REGIONS OF KENYA
(2019)Solanum nigrum complex comprises of plant species that belong to Solanum section Solanum used as indigenous leafy vegetables in Kenya. The S. nigrum complex species have been used traditionally as medicine. Many species ... -
POST MORTEM INSECT SUCCESSION AND DEVELOPMENT PATTERNS ON DECOMPOSING PIG (Sus domesticus L) CARRION IN ELDORET AND MARIGAT, KENYA
(2019-11-30)The death of human provides a decomposing media in the carcass/carrion which act as reservoir for rapidly changing habitat and food source for microorganisms and arthropods. The pattern of micro/macro-organisms succession ... -
EFFECTS OF MAGNETIC FIELD ON THE VALUE OF SPECIFIC HEAT JUMP ON LITHIUM TITANIUM OXIDE
(2019-11-30)Superconductivity is an observable scientific fact exhibited by some materials at extremely low temperature approaching 0 K where their specific heat capacities (a thermodynamic bulk property) change as they transition to ... -
CONSTRUCTION OF MODIFIED THIRD ORDER ROTATABLE DESIGNS THROUGH PAIRWISE BALANCED DESIGNS
(2019-11-30)Rotatable designs are designed for use of response surfaces. Rotatability is evidently a greatly popular property for Response Surface Methodology (RSM). RSM is a group of statistical and mathematical technique valuable ... -
Prevalence of Agrochemicals Use on Irrigated Vegetables Farms along River Moiben, Uasin-Gishu County
(2020-02-03)The purpose of this study was to carry out a survey on farming practices and agrochemical application along River Moiben in Moiben, Uasin Gishu County where intense agricultural practices are done especially during the dry ... -
Heavy Metals Uptake in Maize Grains and Leaves in Different Agro Ecological Zones in Uasin Gishu County
(Scientific Research Publishing Inc., 2017-11-13)Maize grain is the second most vital food after wheat to humans and forms an important part of a human diet due to its nutrients. In Kenya, it is estimated that one out of every two acres of land put to crop production is ... -
ELECTROCHEMICAL TREATMENT OF TEXTILE DYE WASTE
(2016-05-23)Textile factories such as Rift Valley Textile Limited (RIVATEX) in Eldoret Kenya produce large volumes of wastewater which is alkaline, highly coloured and has high chemical oxygen demand (COD) and can adversely affect ... -
EPIDEMIOLOGY OF INTESTINAL PARASITIC INFECTIONS AMONG HIV INFECTED POPULATION, IN BUNGOMA COUNTY- KENYA
(2016-05-23)Intestinal parasitic infections are parasites that populate the gastro-intestinal tract of humans adding stress to both the humoral and cellular arms of the immune system already weakened by human immunodeficiency virus ... -
INVESTIGATION OF POLLUTANT LEVELS AND EFFICIENCY OF HEAVY
(2016-05-23)An increase in population initiating rapid industrialization has been found to consequently increase the effluents and domestic wastewater into the aquatic system. This has resulted in heavy metal pollution which has become ... -
INTESTINAL GEOHELMINTH NEMATODES INFECTIONS IN LANGAS
(2016-05-23)The prevalence and intensity of intestinal geohelminth nematodes was assessed among school children in Langas Primary School in Eldoret Municipality. The main objective of the study was to determine the relationships between ...