Faculty of Science & Technology (FST): Recent submissions
Now showing items 3041-3060 of 4213
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Primary productivity in relation to environmental variables of a semi-arid grassland ecosystem in Kenya
(Department of Botany, University of Nairobi, 1987)A semi-arid grassland was investigated for biomass production and the factors that influence its productivity. Live aboveground biomass ranged from 73 g m-2 in October 1984 to 338 g m-2 in April 1985. Peak live biomass ... -
Parasitological and immunopathological responses in mice with concomitant schistosoma mansoni and plasmodium berghei infections
(School of Biological Sciences, University of Nairobi, 2008)Usually, areas endemic for schistosomiasis have malarial infections and vice versa. In Kenya, areas like Mwea, Lake Victoria region, along the coast and Ukambani, are known for this. On the other hand, not much information ... -
Influence of temperature and moisture content on the viability and vigour of eleusine coracana L. and amaranthus hybridus L. seeds during storage.
(School of Biological Sciences, University of Nairobi, 1998)The present study was carried out at the National Genebank of Kenya-KARl, Muguga between September 1996 and August 1997. The study aimed at determining the progress and extent of deterioration in seeds of two traditional ... -
Effects of maturity stage at harvest, storage temperature and storage atmosphere on the shelf life of papaya cv 'solo' (Carica papaya l.)
(Faculty of Agriculture, University of Nairobi, 1998)Papaya fruits of the 'Solo' variety at two maturity stages were evaluated for their shelf-life at room temperafure and under refrigerated conditions on the basis of riperiness standards derived from analysis of market ... -
Physico-chemical properties and characteristics of palm oil
(School of Biological Sciences, University of Nairobi, 1998)A survey of the literature revealed that most palm oil imports carried the exporter's specifications which created undue disputes that took long periods to settle while the oil remained stored under varying conditions ... -
Carotenoid content and vitamin a value of sweetpotato (Ipomoea hatatas (L.) Lam.) Cultivars as influenced by root age, farming site and cooking
(School of Biological Sciences, University of Nairobi, 1999)This study involved establishment of the main carotenoids in the storage roots of a number of sweetpotato (Ipomoea batatas (L.) Lam.) cultivars and determination of the effect of root age, trial location and cooking on ... -
Biochemical, immunological identification, characterization and localization of protective antigens, derived from the midgut of the tick amblyomma variegatum
(School of Biological Sciences, University of Nairobi, 1999)Tick infestation is a major problem in livestock industry. Ticks are vectors of parasites that cause devastating, often fatal diseases in livestock. In addition to diseases they transmit, ticks cause severe damage due ... -
Studies on filarial infection in Lamu and Tana river districts
(School of Biological Sciences, University of Nairobi, 1990)Brugia patei is a filarial worm that was discovered in cats, dogs and genet cats rn Pate Island (Lamu district) by BUCKLEY et el (1958). Subsequent epidemiological studies by HEISCH et al (1959) and NELSON et al (1962) ... -
Response of acacia tortilis and acacia xanthophloea seedlings to repeated soil drought stress
(School of Biological Sciences, University of Nairobi, 1999)In an attempt to understand how trees overcome drought stress and to establish mechanisms of stress tolerance in tropical aridland species, seedlings of Acacia tortilis (Forsk) Hyne and Acacia xanthophloea Benth. were ... -
Structural analysis of neotectonic joints at Lake Magadi area, and their relationship with regional faults using remote sensing imagery interpretation
(Department of Geology, University of Nairobi, 1999-05)Lake Magadi area, located in the southern part of the Kenya Rift is a high seismic region where rifting is still active. The quantitative analysis of the orientation and size characteristics of the fracture and fault ... -
Evaluation of adipokinetic response in the adult desert locust, schistocerca gregaria under the influence of azadirachtin and melia volkensii extract
(Department of Zoology, University of Nairobi, 1997)In order to develop realistic options and control strategies which are enviromentally acceptable, sustainable utilization of indigenous botanical resoursesought to be established. Flight performance was reduced in the ... -
Statistical models for stocks and flows of students in an educational system
(School of Physical Sciences, University of Nairobi, 1989-11) -
Abortion: perception and behaviour of adolescents in two districts in Kenya
(School of Biological Sciences, University of Nairobi, 1998)This study, done between July 1995 and June 1996, was to determine the adolescents' perceptions and behaviour regarding induced abortion and its risks. It was a descriptive cross-sectional study. Adolescents aged ... -
Characterization of aminopeptidase in midgut of body louse pediculus humanus humanus
(School of Biological Sciences, University of Nairobi, 1998)Body louse Pediculus humanus humanus, belong to the group of blood-sucking insects that act as vectors of several deadly diseases to either Mankind or his Livestock, resulting in massive economic losses, especially in ... -
Aspects of the reproductive biology and fishery of the blue marbled parrot fish leptoscarus vaigiensis (quoy and gaimardi, 1824) in Kenya shallow inshore waters
(School of Biological Sciences, University of Nairobi, 1997)The reproductive biology, growth parameters, mortalities and exploitation rate of Leptoscarus vaigiensis were investigated in a shallow inshore lagoon in the south coast of Kenya. The overall male to female sex ratio was ... -
Identify the presence of IL-10 and IFN-y in leukocytes during theileria parva infection in cattle
(School of Biological Sciences, University of Nairobi, 1993)The gene expression of two immunoregulatory cytokines, IL-10 and IFN-y, during infection of bovine leukocytes with T. parva was investigated at the single cell level. Initial results obtained from in vitro studies with ... -
An analytical and numerical study of a system of coupled oscillators with a time lag in the coupling
(School of Physical Sciences, University of Nairobi, 1997)We study two identical oscillators each with an asymptotically stable limit cycle coupled together in a line to its nearest neigbour by a linear diffusion like path with a time lag. The system of equations is inbuilt with ... -
Protein components of the blood meal of tsetse flies during a digestion cycle
(School of Biological Sciences, University of Nairobi, 1972)Due to the economic importance of the type of trypanosomiasis that infects man, wild and domestic animals, there is growing interest in studies of tsetse flies that are known to be vectors of this disease. Trypanosomes ... -
Diets,seasonal abundance and microhabitats of small mammals in a dry sub-humid grassland in Kenya
(2005)The last decades have seen a biodiversity in many tropical rainforests decline leading to a species-extinction crisis. Loss of biodiversity might, for example, alter the composition of frugivore assemblages in fruiting ... -
The ecology of bustards in Nairobi National Park and the Kitengela conservation area, Kenya.
(School of Biological Sciences, University of Nairobi, 1988)Field research was done on various aspects of bustard ecology in Nairobi National Park and the Kitengela Conservation Area, between October 1986 and September 1987. The Kori (Ardeotis kori), White-bellied (Eupodotis s ...
