Faculty of Science & Technology (FST): Recent submissions
Now showing items 1141-1160 of 4283
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Determinants of antibiotic dose adjustment in patients with chronic kidney disease at Kenyatta National Hospital Kenya
(University of Nairobi, 2014)Background: Reduced renal function in chronic kidney disease (CKD) necessitates appropriate dose alterations to avoid drug accumulation. Objectives: The main objective of the study was to determine the prevalence of ... -
Electro-Characterization of Polypyrolle Electrosynthesized on a Montmorillonite Host-Matrix, in Aqueous Media Containing Sulphuric Acid as Supporting Electrolyte
(University of Nairobi, 2014-05)In this paper polypyrolle has been electrosynthesised from an aqueous media containing the pyrolle monomer and sulphuric acid as the supporting electrolyte. The redox properties of polypyrolle on carbon graphite working ... -
Electrochemical Characterization of Amoxycillin, a Broad Spectrum Antibiotic on a Bentonite Host Matrix, Using Cyclic Voltammetry
(University of Nairobi, 2014-05)In this paper we report on the redox properties of amoxycillin , a broad spectrum anti biotic. on a bentonite modified working electrode. The CV obtained with ethanol is well defined and quasi reversible suggesting fast ... -
Surface Modified Electrodes Used In Cyclic Voltammetric Profiling Of Quinine An Anti - Malarial Drug
(University of Nairobi, 2014-05)In this paper electrochemical profiling of quinine, an effective anti - malarial drug administered to humans, was done using primarily the very versatile el ectrochemical technique - cyclic voltammetry. In ... -
Polyaniline and Polythiophene Modified Electrodes in Energy Storage Units with hydrocarbon gel/Bentonite/Sodium Chloride as Electrolyte Gel
(University of Nairobi, 2014-05)In this paper we present results obtained for energy storage units developed using polyaniline and polythiophene modified electrodes. The voltage potential prof iles for recharge/discharge are either linear or exponential. ... -
A Review of Sediment Gas Cycling in Lakes with Reference to Lake Victoria and Sediment Gas Measurements in Lake Tanganyika
(University of Nairobi, 2002)Little is known about gases in the sediments or the water column of African lakes. Considering the importance of lakes as life-supporting resources, these are critically neglected areas of limnologic investigation. The ... -
Remote Sensing of African Lakes: A Review
(University of Nairobi, 2014)The optical complexity and small size of inland waters make the application of remote sensing more challenging than for the open ocean. However, in Africa, where in situ monitoring of important water bodies is financially, ... -
An Adaptive ICT-Enabled Model for Knowledge Identification and Management for Enterprise Development
(University of Nairobi, 2014-01)Knowledge is vital in achieving enterprise growth and development. This paper argues that treating knowledge management as a Complex Adaptive System CAS presents an alternative lens within which processes within knowledge ... -
ICT Powered Strategic Flexibility System Dynamic Model: A Pillar for Economic Development in Micro and Small Enterprises
(University of Nairobi, 2014-01)Resource-Based View RBV of the firm in strategic management literature focuses on firm internal endowments in terms of resources, capabilities and dynamic capabilities for their development. By establishing a learning ... -
A xanthone and a phenylanthraquinone from the roots of Bulbine frutescens, and the revision of six seco-anthraquinones into xanthones
(University of Nairobi, 2014)Phytochemical investigation of the dichloromethane/methanol (1:1) extract of the roots of Bulbine frutescens led to the isolation of a new xanthone, 8-hydroxy-6-methylxanthone-1-carboxylic acid (1) and a new phenylanthraquinone, ... -
Additional Cooking Fuel Supply And Reduced Global Warming Potential From Recycling Charcoal Dust Into Charcoal Briquette In Kenya
(University of Nairobi, 2014-06)Rising demand for energy is one of the major challenges facing the world today and charcoal is a principal fuel in Kenya. Faced with energy poverty many poor households turn to briquette making. This study assessed the ... -
Challenges of Cloud Computing in Business: Towards New Organizational Competencies
(University of Nairobi, 2014)researchers and practitioners as a new Information Technology (IT) paradigm. Cloud computing cannot be sufficiently understood as a standalone phenomenon in the IT market, but rather as a core ingredient of a larger tr ... -
Covariance differences of linealy representable sequences in Hilbert spaces
(2006)The paper introduces the concepts of covariance differences of a sequence and establishes its relationship with the covariance function. One of the main results of this paper is the criteria of linear represent-ability of ... -
Occurence of Fusarium species and associated T2-Toxin in Kenyan Wheat
(University of Nairobi, 2011)Survey covering 120 wheat fields was conduc- ted in three wheat-growing districts of Kenya during the 2008 cropping season to determine the incidence of Fusarium head blight (FHB) and T2-toxin contamination in grain. FHB ... -
Population of predacious phytoseiid mites, Euseius kenyae (Swirski and Ragusa) on coffee treated with different soil applied fertilizers
(African Journal of Agricultural Research, 2013-09-11)Predacious phytoseiid mites, Euseius kenyae (Swirski and Ragusa) plays a major role in management of coffee thrips and other pests such as Phytophygous mites in coffee. Their conservation under various agro-ecosystems ... -
Ratooning ability and its effect on grain yield of upland Nerica rice varieties in Central Kenya
(2014)Field experiments were conducted at Mwea Irrigation Agricultural Development (MIAD) Centre in central Kenya (0o 41'S, 37o 20'E, 1159m) to assess rice ratooning ability and its effect on grain yield. Four upland NERICA (NERICA ... -
Intelligent System for Predicting Agricultural Drought for Maize Crop
(International journal of technology enhancements and emerging engineering research, 2014)There has been little information in regard to agricultural drought prediction. This paper aimed at coming up with an efficient and intelligent agricultural drought prediction system. By using a case study approach and ... -
Disappearing medicinal plants in Mt. Kenya forests , Kenya: a case study of East African green heart ( Warburgia ugandensis sprague)
(2013)Natural disturbances and human activities are significantly affecting indigenous trees species in forests. Warburgia ugandensis is a plant highly valued for its medicinal properties, timber and fuel among other uses. Many ... -
To be or not to be a species: use of reproductive isolation experiments and genetic analysis to clarify the taxonomic status of two Busseola (Lepidopter a: Noctuidae) species in Kenya
(Taylor & Fr ancis, 2013)Phylogenetic analysis combined with chemical ecology can contribute to the delimitation of closely related insect species, particularly in Lepidoptera. In this study, the taxonomic status of a species in the genus ... -
Influence of soil fertility amendment practices on ex-situ utilisation of indigenous arbuscular mycorrhizal fungi and performance of maize and common bean in Kenyan highlands
(2014)Arbuscular Mycorrhizal Fungi (AMF) are important in agriculture and have received attention as they are considered a part of an active and diverse soil biological community essential for increasing the sustainability ...