Browsing School of Biological and Physical Science by Title
Now showing items 518-537 of 925
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AN INVESTIGATION OF THE EFFECTS OF BOUNDARY LAYER THICKNESS ON A THIN FILM OF LIQUID FLOW DOWN AN INCLINED PLANE
(2012-12-30)The motion of fluid substances may be described by the Navier-Stokes (N-S) equations. The equations arise from the application of Newton’s second Law of motion to a fluid. In this paper, N-S equations in two dimensions ... -
An investigative study of dwarf mango (Boribo Muyini) seed kernel extract against inflammatory agent Staphylococcus aureus
(Journal of Scientific and Innovative Research, 2015)Alternative herbal medicine has been used to treat various infections from centuries. Natural plants contain Phyto constituents having similar chemical properties as of synthetic antibiotics. Boribo Muyini a typical Tanzanian ... -
Isolation and Characterisation of Ralstonia Solanacearum Strains of Tomato Wilt Disease from Maseno, Kenya
(Asian Economic and Social Society, 2017)Ralstonia solanacearum (E.F. Smith) Yabuuchi, is the cause of bacterial wilt of tomato and one of the most severe pathogens of solanaceous crops with a very wide host range. There is little information on R. solanacearum ... -
Isolation and Characterisation of Ralstonia Solanacearum Strains of Tomato Wilt Disease from Maseno, Kenya
(Asian Economic and Social Society, 2017)Ralstonia solanacearum (E.F. Smith) Yabuuchi, is the cause of bacterial wilt of tomato and one of the most severe pathogens of solanaceous crops with a very wide host range. There is little information on R. solanacearum ... -
Isolation and characterization of a toxic metal-tolerant Phenanthrene-degrader Sphingobium sp. in a two-liquid-phase partitioning bioreactor (TPPB)
(2013-10-01)A phenanthrene-degrading strain PHE3, identified as the genus of Sphingobium, was isolated using a two-liquid-phase partitioning bioreactor. More than 96% of the initial amount (up to 100 mg l− 1 silicone oil) of ... -
Isolation and chemical characterisation of pyrrolisidine alkaloids from some senecio
(University of Calgary, 1991) -
Isolation and detailed 1H and 13C NMR structural assignment for three trachylobanes from Psiadia punctulata (Asteraceae) grown in Africa
(Elsevier, 2022-04-01)The first isolation of a trachylobane from an African specimen of Psiadia punctulata (Asteraceae) is presented in this paper. A complete 1H and 13C NMR spectral analysis of this compound and two other trachylobane diterpenes, ... -
Isolation and Identification by Morphological and Biochemical Methods of Antibiotic Producing Microorganisms from the gut of Macrotermes michaelseni in Maseno, Kenya
(Journal of Applied Biology & Biotechnology, 2016-01)The major gut microflora colonizing the hind gut of higher termites, include morphologically diverse microorganisms. The objective of this study was to identify by morphological and biochemical methods of the antibiotic ... -
Isolation of a new β-carboline alkaloid from aerial parts of Triclisia sacleuxii and its antibacterial and cytotoxicity effects
(Taylor & Francis, 2017-03-04)A new β-carboline alkaloid named sacleuximine A (1) together with known compounds palmatine (2), isotetrandrine (3), trans-Nferuloyltyramine (4), trans-N-caffeoyltyramine (5), yangambin (6), syringaresinol (7), sesamin ... -
Isolation of a new β-carboline alkaloid from aerial parts of Triclisia sacleuxii and its antibacterial and cytotoxicity effects
(Natural Product Research, 2017-01-01)A new β-carboline alkaloid named sacleuximine A (1) together with known compounds palmatine (2), isotetrandrine (3), trans-Nferuloyltyramine (4), trans-N-caffeoyltyramine (5), yangambin (6), syringaresinol (7), sesamin ... -
Isolation of Salmonella and Shigella from fish harvested from the Winam Gulf of Lake Victoria, Kenya.
(University of Nairobi., 2009)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 or consumption ... -
Isolation, characterization and biological activities of phytoconstituents from Lonchocarpus eriocalyx Harms leaves
(Islamic Azad University, Shahrood Branch Press, 2018-09-01)The plant species Lonchocarpus eriocalyx Harms (Fabaceae) is a deciduous slender tree or shrub which grows up to 15 m tall. It is an important medicinal plant in Kenya used to treat a wide range of ailments including eye ... -
Isolation, characterization and biological activity of organic extractives from Calodendrum capense (L.f.) Thunb.(Rutaceae)
(2018)A novel prenylfuroquinoline alkaloid capensenin (1), an alkaloid confusameline (2), two furanocoumarins psolaren (3) and bergapten (4), were isolated from hexane and dichloromethane crude extracts of stem bark, leaves ... -
Isozyme variation among Amaranthus cultivars.
(Discovery and Innovation, 1996)Electrophoretic variation of esterase (Est), peroxidase (Per), phosphoglucoisomerase [glucose-6-phosphate isomerase] (Pgi) and phosphoglucomutase (Pgm) was studied in seven Amaranthus populations, namely, Jumla, F1 Jumla, ... -
The Kakamega Forest medicinal plant resources and their utilization by the adjacent Luhya community.
(Medwell Online, 2009)Kakamega Forest in Kenya is a rich natural setting endowed with abundant flora and fauna used by the local communities who once lived within the forest and those who now border it. There has been scarcity of information ... -
Kenya-Ethiopia Relations: a Study of the Significance of Economic and Political Factors Contributing to Co-operation, 1963-1991
(Nairobi university, 2005)This thesis analyses and explains the nature of inter-state relations between Kenya and Ethiopia. An analysis of the two countries' relations shows that despite change of leadership in both Kenya and Ethiopia and despite ... -
Kenya’s response to the COVID-19 pandemic: a balance between minimising morbidity and adverse economic impact
(African Academy of Sciences, 2021)Coronavirus disease 2019 (COVID-19) has ravaged the world’s socioeconomic systems forcing many governments across the globe to implement unprecedented stringent mitigation measures to restrain its rapid spread and adverse ... -
Key determinants of food preparation attributes in staging memorable experiences: Perspectives of hotel managers in Western Kenya
(RoutledgeRoutledge, 2014)This exploratory research sought to identify important food preparation factors and attributes in staging memorable experiences. Self-administered questionnaires were distributed to 166 hotel managers drawn from 62 hotels ... -
Key management practices that influence actual ICT application among three to five star hotels in Kenya
(2016)ICTs are considered strategic tool for business management worldwide and fast finding wider application within the hotel industry. However, their use has not always been fruitful due to poor application of the ICTs. This ... -
Kinetic, sorption isotherms, pseudo-first-order model and pseudo-second-order model studies of Cu (II) and Pb (II) using defatted Moringa oleifera seed powder
(The Journal of Phytopharmacology, 2016)In the recent decades, there has been a concern on heavy metals in waste water and high cost of conventional methods of removing heavy metals, for this reason search on adsorbents of biological origin which is low cost and ...