Browsing Faculty of Science & Technology (FST) by Title
Now showing items 3032-3051 of 4025
-
Physico-electrochemical assessment of pollutants in Ngong river
(Depatment of Chemistry, University of Nairobi, 2007)In this thesis, the quality of water in Nairobi River is assessed for pollutants. Heavy metals assessed include lead, copper, cadmium, zinc, iron, nickel and chromium. Biochemical analyses of the water which entailed ... -
A Physicochemical And Electrochemical Study Of Aqueous Thiaminium Dichloride At 250c
(University of NairobiCollege of Biological and Physical Sciences, 1990)Investigation of density, viscosity, refractive index, conductivity and diffusivity of aqueous Thiaminium dichloride solutions at 250C have been carried out over the concentration range 0 -_1M. The concentration dependence ... -
Physicochemical Characteristics Of Crude And Dehydrated Castor Oil From Local Wild Plants (ricinus Communis) From Five Selected Regions In Kenya
(University of Nairobi, 2013)Castor oil have a unique fatty acid i.e. C 18:1 ; 12-hydroxy-9-cis-octadecenoic acid which has influenced its applications. The oil has myriad uses in the manufacture of medicines, cosmetics, lubricants, paints and recently ... -
Physicochemical Characterization of Honey from Selected Counties in Kenya
(University of Nairobi, 2019)Honey is a natural product with unique flavour and is highly nutritious. It is produced by honeybees and consumed by many. It contains sugars, proteins, water and minerals just to mention a few. There is growing interest ... -
The physicochemical investigation of termiticidal components from the local trees, Juniperus procera and croton megalocarpus
(Depatment of Chemistry, University of Nairobi, 1995)For many years various methods have been employed to control termite and prevent damage by termites on buildings, trees and other plants. Termiticides of various kinds have been used but there has been a general concern ... -
Phytochemical Analyses of Mundulea Sericea, Tephrosia Uniflora (Leguminosae) and, Strebulus Usambarensis (Moracea) for Anti-infective and Cyctotoxic Principles
(University of Nairobi, 2022)Phytochemical analysis of the dichloromethane/methanol (1:1) extracts of Mundulea sericea and Tephrosia uniflora (both Leguminosae) and Strebulus usambarensis (Moraceae) yielded thirtyone compounds. Phytochemical analysis ... -
Phytochemical analysis of five tephrosia species found in Kenya for antimalarial and radical scavenging principles
(University of Nairobi, 2017) -
Phytochemical analysis of Kenyan Medicinal Ypsinaceae plants
(Faculty of Science, University of Nairobi, 1988)There are five members of the Myrsinaceae in Kenya, four of which, Embelia schimperi, Myrsine africana, Rapanea melanphloes and Maesa lanceolata are applied broadly in our traditional medicine and at least one part of ... -
Phytochemical Analysis Of Myrsine Africana Land Maesa Lanceolata Forsk And Structure Activity Relationship Studies Of 2,5-dihydroxyalkylbenzoquinones
(Department of Chemistry, 1994)ABSTRACT Myrsine africana Land Maesa lanceolata Forsk are among the five medicinal Myrsinaceae plants found in Kenya and find a wide application in ethnopharmacology as anthelmintics and as anti-microbials. The plant ... -
Phytochemical Analysis of Selected Plants in the Leguminosae and Moraceae Families for Anticancer Principles
(University of Nairobi, 2019)Cancer is an increasing public health problem in the world with about 17.5 million new cases and 8.7 million cancer deaths reported in 2015 alone. The development of drug resistant cancer cells represents one of the major ... -
Phytochemical Analysis of Selected Tephrosia Species for Anti-inflammatory Principles
(University of Nairobi, 2021)Inflammation is a vital immune process in the restoration of inflamed tissues and it is regulated by mediators such as cytokines. However, dysregulation of inflammation is associated with the onset and development of chronic ... -
Phytochemical and antiplasmodial investigation of rhamnus prinoides and kniphofia foliosa
(University of NairobiChemistry, 2010)The dried and ground whole root of Rhamnus prinoides (Rhamnaceae) were exhaustively extracted using dichloromethane/methanol (1: 1) by cold percolation. The crude extract was subjected to chromatographic separations on ... -
Phytochemical and pharmacological evaluation of tephrosa purpurea and eriosema psoraleoides on mating behaviour and isolated tissues
(University of NairobiChemistry, 2010)The air dried and ground E. psoraleoides roots were exhaustively extracted with dichloromethane/methanol (1: 1) by cold percolation. The extract was partitioned between water and ethyl acetate. Chromatographic separation ... -
Phytochemical and Some Bio-activity Studies of Teclea Trichocarpa, Tovomita Mangle, Aspilia Pluriseta, Tephrosia Hildebrandtii, and Milletia Thonningil
(University of Nairobi, 1984)This thesis describes a chemical and bio activity study of five tropical plant species, namely Teclea trichocarpa Eng., Tovomita mangle G. Mariz., Aspilia pluriseta Schweinf., Tephrosia hildebrandtii Vatke. and Milletia ... -
Phytochemical Antibacterial And Antifungal Study Of Dombeya Torrida(J.F. Gmel) And Hydnora Abyssinica (A. Braun)
(University Of Nairobi, 2013-06)Introduction Traditional medicines play an essential role in healthcare. The World Health Organisation (WHO) estimates that approximately 80 % of world inhabitants rely on traditional medicine for their primary healthcare. ... -
Phytochemical composition, antioxidant and potential anti-cancer activity of extracts from Drumstick (Moringa oleifera) and Quinine tree (Rauwolfia caffra)
(University of NairobiCenter for Biotechnology and Bioinformatics, 2013)This study had the aim of phytochemically evaluating the usefulness of two plants (Moringa oleifera and Rauwolfia caffra), used in traditional health care to manage cancer and diseases related to oxidative stress. To achieve ... -
Phytochemical Evaluation of Tephrosia Hildebrandtii For Antimicrobial Principles
(University of Nairobi, 2018)Pathogenic diseases caused by microbes are a main public health problematic around the world causing death. Medicinal plants contain bioactive compounds (metabolites) that serve an important therapeutic role in curing and ... -
Phytochemical Investigation Of Aloe Secundiflora For Antiplasmodial And Antimicrobial Activity
(Department of Chemestry, School of Physical Sciences, University of Nairobi, 2010)The stems of Aloe secundiflora was exhaustively extracted by percolation in CH2Ch-MeOH (1: 1) at room temperature. The extract showed significant antiplasmodial activity against the chloroquine-resistant (W2) strain of ... -
Phytochemical Investigation Of Aloe Turkanensis For Anticancer Activity
(University of Nairobi, 2014)Cancer cases are on the increase all over the world including Sub-Saharan countries. In the search for new anticancer drugs, nature remains an excellent source of lead compounds. Among various classes of natural compounds ... -
Phytochemical Investigation of Alstonia Boonei and Schizozygia Coffaeoides for Cytotoxic Principles
(University of Nairobi, 2018)The air dried and ground stem bark and root bark of Alstonia boonei were extracted, separately, with CH2Cl2/MeOH (1:1) by cold percolation. After which, the crude extract of the stem bark was subjected to a combination of ...