Faculty of Science & Technology (FST): Recent submissions
Now showing items 2941-2960 of 4089
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Studies on the community structure,population dynamics and production of the limnetic zooplankton in a tropical lake,lake naivasha, Kenya
(School of Biological Sciences, University of Nairobi, 1983)The first quantitative study of the limnetic zooplankton community of Lake Naivasha, Kenya, was undertaken from July 1978 to July 1980. Using a 105 um mesh net, vertical haul zooplankton samples were taken from 3 ... -
Characterization of Casein Kinase II of trypanosoma (nannomonas) Congolense
(School of Biological Sciences, University of Nairobi, 1993)Casein kinase II from Trypanosoma congolense has been partially purified by chromatography on DEAE-cellulose and heparin-agarose and this subunit exhibits protein kinase activity with casein as the substrate. The enzyme ... -
Habitat utilization by birds, hippopotamus (hippopotamus amphibious) and livestock in lake Ol'bolossat, Kenya.
(School of Biological Sciences, University of Nairobi, 2003)The field study was conducted between April and November 1999. The study established the habitat use and activity budget for Red knobbed coots (Fulicata cristata), Egyptian geese (Alopochen aegyptica), Yellow-billed ... -
Evaluation of bovine dendritic cells in the induction of cytotoxic T lymphocyte responses to Theileria Parva
(School of Biological Sciences, University of Nairobi, 2003)Recent demonstration of an ability of human and murine dendritic cells (DC) to acquire exogenous antigens, present them as peptide complexes with MHC class I molecules and induce antigen specific CD8+ cytotoxic T lymphocyte ... -
The ecology of ciliated protozoa in an alkaline-saline lake, lake Nakuru, Kenya
(The Faculty of Graduate Studies of The University of Guelph, 1995)Abundance, biomass and production of planktonic ciliates in Lake Nakuru were estimated between June, 1993 to January, 1994. Lake Nakuru had high abundances of a cyanobacterium (Spirulina platensisy, flagellates, algae ... -
The role of antibody in experimental trypanosoma congolense infection in rats
(School of Biological, Sciences University of Nairobi, 1978)The immunological control of African trypanosomiasis is currently one of the problems occupying the minds of many scientists. Earlier studies have shown that during infections with African trypanosomes serum IgM levels ... -
An assessment of nutrient fluxes and zooplankton dynamics in two marine tidal creeks: Mtwapa and Shirazi, along the Kenyan coast
(Department of Zoology, University of Nairobi, 2004)Two creeks along the Kenyan coast, Mtwapa and Shirazi were investigated in a bid to establish the ecological status as a result of various human impacts on the marine waters. Nutrient distribution patterns in the two ... -
Ecological study of herpetofauna in the Arabuko-Sokoke and Gede coastal forests of Kenya
(School of Biological Sciences, University of Nairobi, 1993)The herpetofauna of the two coastal forests (Arabuko- Sokoke and Gede) of Kenya, were sampled using three methods namely: Quadrat, Time constraint and Opportunistic methods. During the study, 2,201 individuals were ... -
A study of the ecdysone content of some selected East African plants
(School of Biological, Sciences University of Nairobi, 1974)Ecdysone is a steroid hormone involved in the induction of moulting and metamorphosis in Arthropods. The initial discovery of the two zooecdysones , and B- ecdysones,was followed in 1966 by the discovery of these and ... -
Persistence of DDT in soils and on cotton leaves, at Mwea Tebere, Kenya
(School of Biological Sciences, University of Nairobi, 1982-05)Plots in 3 replicates at Mwea Tebere Cotton Research Station, on which cotton had been planted 1n October 1980 were treated with technical DDT at various application rates and at different times of the year. The soil ... -
Arsenite toxicity and tolerance in three microalgae, synechococcus leopoliensis, oscillatoria limnetica and Chlorella pyrenoidosa
(Department of Biology, Queen's University Kingston, Ontario, Canada, 1988-12)The cyanobacteria Oscillatoria limnetica and Synechococcus leopoliensis manifested concentration-dependent growth lags in presence of arsenite above 200pM. There were no detectable growth lags in the Chlorophyte ... -
An ethnobotanical and phytochemical study of the herbal remedies of Migori district, Kenya
(Department of Botany, University of Nairobi, 1999-08)Aspects of ethnobotany , ethnosystematics and ethnomedicine of the Luo , an agropastoral community ofMigori district, Kenya are recorded based on a one year field and laboratory research. The area covered was 2506 sq. ... -
Methods for fluoride analysis in plants, foods and soil using fluoride ion selective electrode
(School of Biological and Physical Sciences, University of Nairobi, 1989)In the recent past there has been an increasing interest in the determination of the fluoride content in foods. The fluoride analysis has been carried out using mainly the fluoride ion selective electrode. This interest ... -
The normal titre range of widal and brucella agglutination tests in a cross section of the human population in Nairobi and Naivasha
(Department of Botany, University of Nairobi, 1994)A survey of the literature revealed that among infectious diseases, typhoid fever and brucellosis are widespread in Kenya; the Widal's and Brucella agglutination tests are still widely used in the diagnosis of these ... -
The photochemistry of benzene at 2537 a
(Facult of Science, University of Nairobi, 1977) -
Estimation of concentration of carbon monoxide hydrocarbons and oxides of nitrogen from motor vehicles in Nairobi
(Department of Meteorology, University of Nairobi, 1992)Highway traffic is one of the major source of air pollutants and account for a considerable fraction of the air pollutants discharged into the atmosphere in urban areas Among {he principal transportation related poilu/ants ... -
Effect of metarhizium anisopliae and its complementation with phenylacetonitrile pheromone on reproductive potential and mortality of gregarious nymphs of schistocerca gregaria
(School of Biological Sciences, University of Nairobi, 2004-11)Recent concerns over possible human health problems and environmental damage resulting from large scale application of chemical' pesticides for desert locusts control have led to proposals for alternative control strategies. ... -
Adverse skin reactions to sulfadoxine-pyrimethamine in western Kenya: implications for malaria treatment strategies
(Department of Zoology, University of Nairobi, 1998)With the increasing problem of chloroquine-resistant falciparum malaria in Kenya, treatment with alternative drugs such as sulfadoxine-pyrimethamine is becoming common. One of the side-effects associated with the use ... -
A study of the butterfly diversity in the Arabuko-Sokoke forest, Kenya
(School of Mathematics, University of Nairobi, 1997)In this study the diversity of butterfly fauna in the Arabuko-Sokoke Forest is examined by looking into their population abundance and seasonality. Investigation of these were by means of systematic collecting and trapping, ... -
Pathogenesis and immune responses in HIV-l infected infants and children
(School of Biological Sciences, University of Nairobi, 2001)There are limited reports on HIV-l RNA load, CD4 T-Iymphocyte counts, anti-HIV-l antibody responses and age in relation to disease progression in HIV-1 infected untreated children in Africa. Understanding these parameters ...