Faculty of Science & Technology (FST): Recent submissions
Now showing items 2581-2600 of 4283
-
Unwanted pregnancy and sexually transmitted infection among young women in rural Kenya
(Taylor & Francis, 2004)Early sexual debut and premarital sex are increasingly common features of female adolescence in Kenya—putting girls at the risk of unwanted pregnancy and infection by sexually transmitted infections and HIV/AIDS. Levels ... -
Epidemiology and Risk Factors for Serogroup X Meningococcal Meningitis during an Outbreak in Western Kenya, 2005–2006
(2009)The epidemiology of serogroup X meningococcal meningitis in Africa is unknown. During a serogroup X meningococcus outbreak in Kenya, case finding involved record review at health facilities and interviews with health workers ... -
Effect of adrenalectomy on serum and tissue amylase
(College of Biological Sciences, University of Nairobi, 1965)The influence of the adrenals on the maintenance and control of serum and tissue amylase was studied in rats by determining the amylase content periodically for 21 days after adrenalectomy. Liver, muscle, fat, small ... -
Phenotypic and genotypic analysis of clinical isolates Salmonella serovar Typhimurium in western Kenya.
(University of Nairobi.Department of Zoology, 2009-10)BACKGROUND: Salmonella spp. are recognized as some of the most common causes of enteritis worldwide. This study aimed to identify clinically isolated S. Typhimurium in western Kenya and to assess antimicrobial resistance ... -
Isolation of Salmonella and Shigella from fish harvested from the Winam Gulf of Lake Victoria, Kenya.
(University of Nairobi.Department of Zoology, 2009-03)BACKGROUND: Human infections caused by pathogens transmitted from fish are quite common. The aim of this study was to isolate enteric pathogenic bacteria from fish that might be transmitted to humans after the handling ... -
The evolution of pyrimethamine resistant dhfr in Plasmodium falciparum of south-eastern Tanzania: comparing selection under SP alone vs SP+artesunate combination.
(University of Nairobi.Reproductive Biology Unit, 2011-10)BACKGROUND: Sulphadoxine-pyrimethamine (SP) resistance is now widespread throughout east and southern Africa and artemisinin compounds in combination with synthetic drugs (ACT) are recommended as replacement treatments ... -
Root growth, soil water depletion, nitrogen uptake and yield of wheat in relation to irrigation and nitrogen application
(College of Biological Sciences, University of Nairobi, 1990)In a trial in 1984-85 with wheat cv. HD 2009 given 80 or 120 kg N/ha, the values for root penetration and root wt density (RWD) in different soil layers were higher with (a) irrigation at 50% soil water depletion than with ... -
Association analysis of fodder yield and its components in different environments in oats
(College of Biological Sciences, University of Nairobi, 1988) -
Quantifying past and present connectivity illuminates a rapidly changing landscape for the African elephant.
(University of Nairobi.Reproductive Biology Unit, 2013-03)There is widespread concern about impacts of land-use change on connectivity among animal and plant populations, but those impacts are difficult to quantify. Moreover, lack of knowledge regarding ecosystems before fragmentation ... -
Effect of gibberellic acid (GA3) and temperature on seed germination of Rauvolfia serpentina
(College of Biological Sciences, University of Nairobi, 1970)GA was applied at 250, 500, 750 or 1000 mg/l. The 500-mg level in the laboratory increased germination from 5 (control) to 45.2%, and survival from 2 to 25.7%. Under field conditions the comparable figures for germination ... -
A new basic chromosome number in Saccharum spontaneum L.
(College of Biological Sciences, University of Nairobi, 1990)Study of meiosis in a clone of S. spontaneum (2n = 54), revealed that 11.39 ± 2.52% of PMCs undergo cytomixis during premetaphase I. Only 18 bivalents migrated with the nucleolus into the recipient cell and 9 remained in ... -
Long-term impacts of poaching on relatedness, stress physiology, and reproductive output of adult female african elephants.
(University of Nairobi.Reproductive Biology Unit, 2001-12)Widespread poaching prior to the 1989 ivory ban greatly altered the demographic structure of matrilineal African elephant (Loxodonta africana) family groups in many populations by decreasing the number of old, adult females. ... -
Assignment of 6-phosphogluconate dehydrogenase and glucose oxidase to chromosome 2 of Anopheles albimanus
(NRC Research PressCollege of Biological Sciences, University of Nairobi, 1993)As a part of a comprehensive, continuous effort to define a linkage map for Anopheles albimanus Wiedemann, 6-phosphogluconate dehydrogenase (6-Pgd) and glucose oxidase (Go) were assigned to the right arm of chromosome 2. ... -
A review of allodiversity in Lake Naivasha, Kenya: Developing conservation actions to protect East African lakes from the negative impacts of alien species
(ScienceDirectDipartimento di Biologia Evoluzionistica “Leo Pardi”, Università degli Studi di Firenze, Via Romana 17, 50125 Firenze, ItalySchool of Conservation Sciences, Bournemouth University, Poole, Dorset BH12 5BB, UKSchool of Biological Sciences, University of Nairobi, Nairobi, KenyaSchool of Biological Chemical Sciences, Queen Mary University of London, Mile End Road, London E1 4NS, UKDepartment of Biology, University of Leicester, University Road, Leicester LE1 7RH, UKDipartimento di Ecologia, Università degli Studi della Calabria, 87030 Arcavacata di Rende, Italy, 2011)The biodiversity of developing countries is increasingly threatened by introductions of invasive alien species. This study on the allodiversity in Lake Naivasha, Kenya reviews the pathways, establishment rates and outcomes ... -
The MacVuti sampler: a new and inexpensive volume sampler for plankton and water
(WileyDepartment of Zoology, University of Nairobi, Nairobi, Kenya, 1985)Details are presented for the construction and operation of a cheap simple volume sampler for Zooplankton and water. This sampler has been used in waters up to 45 m deep over a number of years and proved to be reliable and ... -
Population structure and secondary productivity of Limnodrilus hoffmeisteri (Claparede) and Branchiura sowerbyi Beddard in the profundal zone of Lake Naivasha, Kenya
(Kluwer Academic PublisherDepartment of Fisheries, Moi UniversityDepartment of Biology, University of Leicester, Leicester, LE1 7RH, U.KDepartment of Zoology, University of Nairobi,, 2002)Lake Naivasha has been well studied since the 1930s but attempts to understand its ecological functioning have had to wait until enough was known about its structure. The energetics of the lake has only been studied to ... -
Fluxes and exchange of suspended sediment in tidal inlets draining a degraded mangrove forest in Kenya
(ScienceDirectKenya Marine and Fisheries Research Institute (KMFRI)Postgraduate Hydrology Programme, Department of Geography, University of Nairobi,Department of Zoology, University of Nairobi,, 2003)This study focuses on sediment exchange in the degraded Mwache mangrove forest wetland located in southern Kenya. It involved measurement of total and particulate organic suspended sediment concentrations (TSSC and POSC), ... -
The benthic macrofauna community of Kenyan waters of Lake Victoria
(Kluwer Academic PublishersDepartment of Zoology, University of Nairobi,Kisumu Research Centre, Kenya Marine and Fisheries Research Institute,, 2001)The benthic macroinvertebrates in the Kenya waters of Lake Victoria (ca. 1400 km2) were surveyed during four 10 day sampling periods in February, April, August and November 1984. Fourty three taxonomic groups were recorded. ... -
Application of geophysics in the search for metallic ores in Western Kenya
(Department of Geology, University of Nairobi, 1984) -
Euler’s differential equation and the identification of the magnetic point‐pole and point‐dipole sources
(University of Nairobi, Department of Geology,, 1994)The concept of point‐pole and point‐dipole in interpretation of magnetic data is often employed in the analysis of magnetic anomalies (or their derivatives) caused by geologic bodies whose geometric shapes approach those ...