Utafutaji Department of Chemistry and Biochemistry Kwa jina la Kitabu
Now showing items 87-106 ya 113
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Safety evaluation and antihyperglycaemic effect of root extract of Maerua decumbens (Brongn.) DeWolf in Wistar rats
(Elsevier, 2020)Local communities living in rural regions of Kenya use the plant, Maerua decumbens (Brongn.) DeWolf for various purposes including water purification (roots), as food (roots and fruits) and medicinal (various parts of ... -
Selected Heavy Metal (Zn, Pb and Cd) Pollution in Soil and Water from Marakwet East and Marakwet West, Elgeyo Marakwet County, Kenya
(African Environmental Review Journal, 2022-06)Heavy metal pollution has become a global public health issue, aggravated by human activities in the world leading to food and drinking water quality challenges. The present study aimed at assessing selected heavy metal ... -
SOIL FERTILITY AMENDEMENT USING MOLASSES WASTEWATER AND PIGWASTE AND THEIR INFLUENCE ON SOIL CHARACTERISTICS AND YIELD OF COWPEAS (Vigna unguiculata)
(University of Eldoret, 2014)Soil fertility is the number-one natural resource in Africa. However, due to high soil acidity and low fertility, food production has declined over the last decade. A case in point is in Uasin Gishu County, where farmers ... -
SOLID-STATE THERMAL DESOLVATION AND STRUCTURAL STUDIES OF OXALIC ACID DIHYDRATE, ZINC ACETATE DIHYDRATE, COPPER (II) SULFATE PENTAHYDRATE AND NICKEL (II) SULFATE HEXAHYDRATE
(2016-05-23)For many years it has been widely accepted that crystal dehydration can be related to internal crystal structure. However, there is very little empirical data or experiments on this work. This work makes an attempt to use ... -
SOLID-STATE THERMAL DESOLVATION AND STRUCTURAL STUDIES OF OXALIC ACID DIHYDRATE, ZINC ACETATE DIHYDRATE, COPPER (II) SULFATE PENTAHYDRATE AND NICKEL (II) SULFATE HEXAHYDRATE
(University of Eldoret, 2013)For many years it has been widely accepted that crystal dehydration can be related to internal crystal structure. However, there is very little empirical data or experiments on this work. This work makes an attempt to use ... -
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 ... -
SPATIAL AND TEMPORAL VARIATIONS IN PHYSICO-CHEMICAL
(2016-05-19)Increased human activities have led to water pollution, especially metals and nutrients. Therefore, prudent management of aquatic environments require information on their quality status that can be estimated by monitoring ... -
SPATIAL AND TEMPORAL VARIATIONS IN PHYSICO-CHEMICAL PARAMETERS, NUTRIENTS AND HEAVY METALS ALONG A GRADIENT OF ANTHROPOGENIC ACTIVITIES WITHIN KAPSABET RIVER, KENYA
(University of Eldoret, 2013)Increased human activities have led to water pollution, especially metals and nutrients. Therefore, prudent management of aquatic environments require information on their quality status that can be estimated by monitoring ... -
Spatial and TemporalVariability of Phosphates, Nitrates and Selected Physico-Chemical Parameters of River Nzoia
(Africa Environmental Review, 2022)Several agricultural activities are practiced within the River Nzoiacatchment area, most of which involve application of chemicals in form of fertilisers and pesticides.Most of these chemicals end up in the ... -
SUB-ACUTE ORAL TOXICITY OF TRANSFORMER MINERAL OIL IN WISTAR RATS
(University of Eldoret, 2018)There is an increasing trend in Kenya where local deep frying food-vendors use cooking oil blended with transformer mineral oil (TMO) in preparing edible products despite the scant knowledge on possible toxic effects of ... -
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 ... -
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, 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 ... -
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 ...