Faculty of Science & Technology (FST): Recent submissions
Now showing items 3001-3020 of 4213
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Effects Of Ricinus Communis Linneaus (euphorbiaceae) Extracts On Leishmania Major Promastigotes And On Infected Balb/c Mice
(University of Nairobi, 1998)The effect of castor oil plant seed oil fractionally extracted with diethyl-ether and the aqueous extracts of its leaves was tested in vitro on Leishmania major (Yorkimov and Schokor, 1913) promastigotes and in vivo on ... -
Uptake of heavy metals by vegetables grown on sewage sludge amended soils
(School of Biological Sciences, University of Nairobi, 1989)The concentrations of some heavy metals in soil and plant tissue, resulting from land application of sewage-sludge, were examined by determining the levels of manganese (Mn), iron (Fe), Copper tCu), zinc (Zn) and lead (Pb) ... -
History and present status of human-elephant conflicts in the Mwatate-Bura area, Kenya
(School of Biological Sciences, University of Nairobi, 1993)The management of large mammals such as elephant, rhino, lion, and tiger often entails dealing with people related problems at the interface between protected areas and areas with other land uses. This thesis ... -
Phlebotomine sandfly (diptera: psychodidae) behaviour and utilization of termite hills and animalburrows in Baringo district, Kenya.
(Department of Zoology, University of Nairobi, 1995)A field based project to study the behaviour and utilization of termite hills and animal burrows by phlebotomtne sandflies in Baringo District, Kenya was undertaken. The trapping of sandflles was done in two areas; around ... -
Effects of cold acclimation in a tropical fish, Oreochromis niloticus (Trewavas )
(School of Biological Sciences, University of Nairobi, 1992)The effects of temperature acclimation in a tropical fish, Oreochromis niloticus have been investigated. Fish of the genus O. niloticus were accli 111(1 ted to either (mean +/-S.D) 26.5 ± 0.3 OC or 20.5 ± 0.5 oC for ... -
Studies on mycoflora of stored maize and maize products: their enumeration and significance
(Department of Botany, University of Nairobi, 1992)Mycoflora of stored maize and maize products was investigated during November 1990 - July 1991. A total of 214 samples of maize kernels and flour were randomly collected from the kiosks and shops within Nairobi for ... -
Podborer insect pests attacking pigeonpea, cajanus cajan (L) millsp, at flowering and post-flowering stages and their impact on yield in Kenya
(School of Biological Sciences, University of Nairobi, 1993)The pigeonpea Cajanus cajan (L.) Millsp, is one of the major pulse crops farmed in Kenya particularly in arid and semi-arid areas. It is important for its nutritive value to people because of its high protein content. One ... -
Photosynthesis and related processes of two mangrove species: rhizophora mucronata and ceriops tagal at Gazi Bay, Kenya
(School of Biological Sciences, University of Nairobi, 1995)Measurements were made of the gas exchange properties, water use efficiency and water relations of two mangrove species of the Rhizophoraceae family in the dry and wet seasons of 1992 at Gazi Bay, Kenya. The rates of ... -
Generation of wind velocity fields with special reference to interpolation methods
(Department of Mathematics, University of Nairobi, 1987-10) -
Studies on the effect of ammonium sulphate and sodium nitrate on crassulacean acid metabolism (CAM) in kalanchoe species
(School of Biological Sciences, University of Nairobi, 1991) -
Evaluation of mitochondrial oxidative phosphorylation during trypanosoma congolense infection in rabbits: the role of thyroxine
(School of Biological Sciences, University of Nairobi, 1992) -
Characterization of mammal hairs and their application in determining diet composition of lion (panther Leo Massaica Neuman) in the salient region of Aberdare National Park, Kenya.
(School of Biological Sciences, University of Nairobi, 1996)This study sought to determine the diet composition of lion in the salient region of Aberdare National Park by analysis of hairs obtained from their scats. Monthly counts of potential lion prey species were carried out ... -
Identification of homologues of the cell cycle regulators in mature in vitro cultivated plasmodium falciparum gametocytes
(School of Biological Sciences, University of Nairobi, 1996)This study was designed to define putative homologues of known eukaryotic cell cycle regulatory proteins in mature in vitro cultivated Plasmodium Jalciparum gametocytes. Cultures of mature gametocytes (16 day-old) ... -
Biochemical studies on the accessory reproductive gland secretions of the male desert locust, schistocerca gregaria forskal
(School of Biological Sciences, University of Nairobi, 1977) -
Comparative studies on malaria transmission potential at a lakeshore and a nearby inland site in Western Kenya
(School of Biological Sciences, University of Nairobi, 1992)This study was conducted in Kakstngrt location west of llomabay and south of Mbita point. It is located in Mbita division, South Nyanza district, Nyanza province, Kenya The general objectives of the study centred around ... -
Effects and use of some Ocimum plant species and their essential oils on some storage insect pests
(Department of Zoology, University of Nairobi, 1994-08)The bioactivity of 0. suave, 0. kenyense and 0. kilimandscharicum against three storage insects (Sitophilus zeamais, Rhizoperta dominica and Sitotroga cerealella) was evaluated in the laboratory. Fresh, dry, ground plant ... -
The histochemistry, capillarization and mitochondrial volume density in the locomotory muscles of the naked mole-rat,heterocephalus glaber
(School of Biological Sciences, University of Nairobi, 1992) -
Optimization of analytical procedures and determination of levels of mercury, cadmium and lead in fish, water, sediments} soil and plants from Naivasha area, Kenya
(School of Biological Sciences, University of Nairobi, 1992)The analysis of heavy metals in digested samples depends on parameters such as pH, temperature, time and digestion procedures. These parameters were Investigated in order to obtain optimum experimental conditions for the ... -
A physico-chemical and electrochemical study of aqueous barbituric acid and sodium barbital at 25c
(School of Biological Sciences, University of Nairobi, 1988-07)Derivatives of Barbituric Acid like Barbitone, Phenobarbitone, Soneryl, Numbutal and Amytal etc. have long been used as a powerful hypnotic and soporitic medicine for the treatment of epilepsy and other ailments which ... -
Some factors affecting the sporogony of theileria parva in the salivary glands of its tick vector, rhipicephalus appendiculatus
(School of Biological Sciences, University of Nairobi, 1988)An investigation into several aspects of Theileria parva sporogony in unfed Rhipicephalus apoendiculatus ticks was carried out in the laboratory and in the field. In the first experiment an attempt was made to heat-stimmulate ...
