Browsing Faculty of Science & Technology (FST) by Title
Now showing items 3084-3103 of 4283
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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 ... -
Population, flocking behaviour and habitat selection of the Grey Crowned Crane Balearica regulorum at Lake Ol’ Bolossat basin, Kenya
(Journal of East African Ornithology, 2021-03-08)Lake Ol’ Bolossat is an inland wetland located in Nyandarua County, Kenya that provides critical year-round habitat for the Globally Endangered Grey Crowned Crane Balearica regulorum gibbericeps. This study aimed at ... -
A populational survey of amino acids in Propsopis species from North and south America
(University of NairobiCollege of biological and physical science, 1974)Leaf extracts of 540 plants representing 24 species of the genus Prosopis from North and South America were analyzed by 2-D PC and high voltage electrophoresis for their protein and non-protein amino acids. In addition to ... -
Populations in nests of the termite Macrotermes jeanneli in Kenya
(University of NairobiCollege of Biological and Physical Sciences, 1992)Estimates were made of the populations of seven nests of Macrotermes jeanneli of different sizes in Kenya. Caste and instar composition were examined, and relationships of these to the dimensions of the mound were investigated. ... -
Populurothrips dynamic and seasonal incidence of the legume bud thrips Megalurothrips sjostedti (Tryb.) (Thysanoptera: Thripicae) in cowpea fields in Kenya
(School of Biological Sciences, 1984) -
Porosity, Flow, and Filtration Characteristics of Frustum-Shaped Ceramic Water Filters
(University of Nairobi, 2013)This paper presents the results of an experimental study of the effects of porosity on the flow rate and Escherichia coli (E. coli) filtration characteristics of porous ceramic water filters (CWFs) prepared without a coating ... -
The possibility of one-size-fits-all in ict4d design: a case study of the day-labour organisations
(University of Nairobi, 2015)This paper presents design experiences for two Non-Governmental organizations and one day-labour organisation working for the informal job seekers and employers—day-labour market. The authors present the three design ... -
Possible impacts of the changes in the greenhouse gases on the climates of East Africa
(University of NairobiCollege of biological and physical science, 1989) -
Post-traumatic stress disorder: Case report
(College of Biological Sciences, University of Nairobi, 2000)Following exposure to a major traumatic event like the August seventh 1998 Nairobi bomb blast various reactions occur, some of which result in stress-related psychiatric disorders. We have described one such case, and ... -
Postharvest practices of maize farmers in Kaiti District, Kenya and the impact of hermetic storage on populations of Aspergillus spp. and aflatoxin contamination.
(University of Nairobi, 2016)Aflatoxin contamination in maize by Aspergillus spp. is a major problem causing food, income and health concerns. A study was carried out in Kaiti District in Lower Eastern Kenya to evaluate the effect of three months storage ... -
Potent Antimalarial Activity of the Alkaloid Nitidine, Isolated from a Kenyan Herbal Remedy
(Ministry of Health, KenyaThe Wellcome Trust Research LaboratoriesThe National Museums of Kenya,Kenya Medical Research InstituteDepartment of Pharmaceutical Sciences, University of StrathclydeDepartment of Pharmacology and Therapeutics, University of Liverpool, 1995)Bioassay-guided fractionation of extracts of Toddalia asiatica, a plant used by the Pokot tribe of Kenya to treat fevers, has yielded the alkaloid nitidine as the major antimalarial component. Fractions containing nitidine ... -
Potential Antibacterial Pharmaceuticals From the Flora of Africa
(University of Nairobi, 2022)The present chapter highlights the antibacterial potential of nine highly active compounds isolated from the African medicinal plants: 8,8-bis-(dihydroconiferyl)- diferulate, buesgenine, candidone, diospyrone, ferruginin ... -
Potential antitermite compounds from Juniperus procera extracts
(Department of Chemistry, University of Nairobi, 2000-10)Thin layer chromatography (TLC) analysis revealed that destructive distillation of Juniperus procera tree gave .en major components, whereas Croton megalocarpus tree yielded five components. This was confirmed by gas ... -
Potential capability of the East African seismic stations
(1998)It is well known that Africa is poorly covered with seismic stations and relatively few readings reach the international data bases. In September 1993 a workshop was held in Dar es Salaam, where all available seismograms ... -
The potential for antitick plants as components of an integrated tick control strategy
(University of Nairobi.school of Biological Sciences, 2004) -
The potential for antitick plants as components of an integrated tick control strategy
(University of Nairobi.School of Biological Sciences, 2000)Extracts from various African plants have been shown to possess strong acaricidal and/or tick repellent properties. Some of the plant extracts are capable of reducing tick feeding, molting, fecundity, and viability of eggs. ... -
The Potential For CO2 Geosequestration In Kenya: A Suitability Assessment Of The Lamu Basin
(University of Nairobi, 2019)There is a consensus that current trends in climate change may be due to increasing concentrations of greenhouse gases (predominantly methane and carbon dioxide) from anthropogenic emissions. Among measures proposed for ... -
The potential for drug resistance in schistosomiasis.
(University of Nairobi.Department of Zoology, 1987-11) -
Potential for Melia volkensii fruit extract in the control of locusts
(College of Biological Sciences, University of Nairobi, 1996)Fruits from the East African tree, Melia volkensii (Gurke) contain terpenoid compounds with well-establishcd insecticidal activity. At high doses a concentrated M. volkensii extract (Mv) causes death or lack of physical ... -
Potential for urban and peri-urban agriculture to create employment and reduce poverty
(Department of Chemistry, 2004)