Faculty of Science & Technology (FST): Recent submissions
Now showing items 2861-2880 of 4089
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Elution And Partial Characterisation Of Immunoglobulins Bound To Goat Placenta
(University of NairobiSchool of Biological Sciences, 2000)The success of viviparous pregnancy in the vertebrate species remains a major puzzle to immunologists. Thus, the fetus is antigenic ally foreign by virtue of its paternally derived genes yet if is not rejected. The ... -
Imputation Techniques In Multivariate Analysis
(University of NairobiSchool of Mathematics, 1999)This research deals with the problem of missing data in multivariate analysis, in the sense that not all variables of interest are measured on every unit or element of the sample. The emphasis of the thesis is on ... -
An Ecological Assessment Of Littoral Seagrass Communities In Diani And Galu Coastal Beaches, Kenya
(University of NairobiSchool of Biological Sciences, 1995)Most studies along the Kenyan coast have concentrated on coral reefs and mangrove swamps. Limited studies have been carried out on seagrasses though they provide an important link between the mangroves and the coral ... -
Biosystematics Of The Cotesia Flavipes Complex (hym: Braconidae), Parasitoids Of Gramineous Stemborers
(1994)The species of the Cotesia f/avipes complex are gregarious endoparasitoids of lepidopteran stemborers of gramineous plants. The complex consists of three morphologically similar species: C. flavipes, in the Indo- Australian ... -
Sex Reversal, Growth And Aspects Of The Biology Of Oreochromis Niloticus (L.)
(University of NairobiDepartment of Zoology, 1992)Some aspects of the reproductive biology, sex reversal and growth of sex-reversed O. niloticus are reported. typical O. niloticus displays reproductive behaviour of oreochromine tilapias. The male is territorial and ... -
The Effects Of Ascorbic Acid On The Immune System Of The Guinea Pig (cavia Porcellus)
(University of Nairobi, 1996)Three experiments were carried out to investigate the effects of ascorbic acid on immunoglobulin levels, on T-Cell function and on humoral response to viral antigens using the guinea pig as a model. These were done by ... -
An Ethnobotanical And Chemical Study Of The Poisonous Plants Of Busoga District In Uganda.
(University of NairobiDepartment of Botany, 1993)This project was an ethnobotanical survey of the poisonous plants of Busoga district in Uganda. The information was gained through a questionnaire. A total of 74 species of poisonous plants in 64 genera and 34 families ... -
Endometrial autoantigens eliciting immunoglobulin g (igG) and igM responses in the sera of baboons with endometriosis
(Department of Animal Physiology, University of Nairobi, 1994)The presence of antiendometrial antibodies in the sera of women with endometriosis has been reported by several investigators using various methodologies. Some studies suggest that circulating and peritoneal fluid ... -
A Study Of The Potential Genotoxic Effects Of Some Medicinal Plants Commonly Used In Kenya Using The Salmonella/mammalian Microsome Assay And The Vicia Faba Test System
(University of NairobiDepartment of Botany, 1988) -
An ethnobotanical and phytochemical study of medicinal plants used to treat gastrointestinal disorders in children in Siaya district, Kenya.
(Department of Botany, University of Nairobi, 1997)Although the local Siaya people attribute most of the diseases and misfortunes to spirits, magical and religious practices or animal sacrifices are seldom sought to get rid of diseases and illnesses, and these do not ... -
Intraspecific Genetic Variation Among Populations Of Kenyan African Violet, Saintpaulia Rupicola B. L. Burtt: A Molecular Approach
(University of NairobiSchool of Biological Sciences, 1998)Saintpaulia rupicola B. L Burtt (Gesneriaceae) is one of the African Violet species under high threat of extinction from its habitat. It is endemic to coastal Kenya where it occurs in Kilifi and Kwale districts in four ... -
Sensitivity To Dihydrofolate Reductase Inhibitors And Molecular Karyotypes In Some Plasmodium Falciparum Isolates In Kenya
(University of NairobiSchool of Biological Sciences, 1995)Ten Kenyan isolates of Plasmodium [alcip arum were characterized by their molecular karyotype and antimalarial drug sensitivity. For chromosomal analysis pulse field gradient gel electrophoresis was used. Plasmodium ... -
Serum tumour necrosis factor in children suffering from plasmodium falciparum infection
(Department of Zoology, University of Nairobi, 1995)The involvement of tumour necrOSlS factor (TNF) In human malaria was investigated in children infected with P.lasmodium falciparum in Kilifi and in uninfected children in the same community. For these investigations, ... -
Structure elucidation of hydrophillic flavonoids of polygonum Senegalense and trent comparative antifeedant activity with hydrophobic components.
(University of Nairobi, 1993)Polygonum senegalense is one of the eleven Polygonum species growing in Kenya highlands. P. senegalense finds use in ethno-medical mode of therapy in this country along with other species of the Polygonaceae family. In ... -
Studies On Distribution Of Organochlorine Pesticide Residues In A Tropical Marine Environment Along The Kenyan Coast
(University of Nairobi, 1998)A Study was conducted in which samples of seawater, seaweed, sediment and fish were collected from four sites: Sabaki, Kilifi, Ramisi and Mombasa along the Kenya coast between 1996 and 1997. The samples were: subjected ... -
Chemistry And Some Biological Activities Of Benzoquinones Of Embelia Schimperi
(University of NairobiSchool of Physical Sciences, 1997)Embelia schimperi and Embelia keniensis are among the five medicinal Myrsinaceae plants found in Kenya which find a wide range of application in ethnopharmacology as antimicrobials and anthelmintics. The berries and root ... -
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 ...