Journal Articles: Recent submissions
Now showing items 2081-2100 of 29939
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Extraction and characterization of gelatin from Lates niloticus and potential industrial applications
(University of Nairobi, 2016)Kiplagat CS, Onyari JM, Mulaa F, Wabomba J. 2018. Extraction and characterization of gelatin from Lates niloticus and potential industrial applications. Biofarmasi J Nat Prod Biochem 16: 53-64. This research aims to extract ... -
Adsorption Of Malachite Green From Aqueous Solutions Onto Rice Husks: Kinetic And Equilibrium Studies
(University of Nairobi, 2017)A study was done to evaluate the removal of a cationic dye from simulated waste water onto rice husks (RH). Spectroscopic methods such as FTIR and SEM/EDX were used for adsorbent characterization. Experimental dependency ... -
Effective Biotransformation Of Reactive Black 5 Dye Using Crude Protease From Bacillus Cereus Strain KM201428
(University of Nairobi, 2018)Effective effluent treatment is a paramount step towards conserving the dwindling clean water resources. The present study describes the use of crude protease extract from Bacillus Cereus Strain KM201428 biotransformation ... -
Occurrence and distribution of organochlorine pesticide residue levels in water, sediment and aquatic weeds in the Nyando River catchment, Lake Victoria, Kenya
(University of Nairobi, 2019)Samples of water, sediments and aquatic weeds were collected from 26 sites in the Nyando River catchment of the Lake Victoria basin in 2005–2006. The objective was to investigate levels of organochlorine pesticides that ... -
The Minamata Convention on Mercury and its implications for management of dental caries in low‐ and middle‐income countries
(University of Nairobi, 2019)BACKGROUND Dental caries has become a ubiquitous public health problem despite overwhelming evidence that it is preventable1,2. Petersen reported that virtually all populations are affected globally, with 60%–90% of ... -
Effect of Sonication Pre-treatment of TiO2 Catalyst for Photo-Degradation of Acid Orange 7 Azo Dye
(University of Nairobi, 2019)In this study, Acid Orange 7 azo dye was degraded on TiO2 catalyst layer illuminated with ultra-violet light. The TiO2 suspension had prior been sonicated at 20 kHz before electrophoretic deposition on smooth stainless ... -
Comparison Of Aqueous And Enzymatic Extraction In Combination With Sequential Filtration For The Profiling Of Selected Trace Elements In Medicinal Plants From Kenya
(University of Nairobi, 2019)This work presents results for the profiling of eight essential elements (Co, Cu, Ni, V, Mo, Mn, Zn and Cr) in aqueous and enzymatic extracts of eight anti-diabetic medicinal plants, used by Traditional Medicine Practitioners ... -
Who Controls the Digital? Value Chains and the Challenges of Connectivity for East African Firms
(University of Nairobi, 2018)In recent years, internet connectivity has greatly improved across the African continent. This paper examines the consequences that this shift has had for East African firms that are part of global value chains (GVCs). ... -
Naphthalene Derivatives from the Roots of Pentas parvifolia and Pentas bussei
(University of Nairobi, 2016)The phytochemical investigation of the CH2Cl2/MeOH (1:1) extract of the roots of Pentas parvifolia led to the isolation of three new naphthalenes, parvinaphthols A (1), B (2), and C (3), two known anthraquinones, and five ... -
A Survey Of Traditional Medicinal Uses Of Catha Edulis (Celastraceae) In Meru And Eembu Counties Of Kenya.
(University of Nairobi, 2016)Catha edulis (qat) is an evergreen tree or shrub whose young leaves and stems are widely chewed in Eastern Africa. The aim of the present study was to document ethnomedicinal value of Catha edulis as used traditionally ... -
Isoflavones and Rotenoids from the Leaves of Millettia oblata ssp. teitensis
(University of Nairobi, 2017): A new isoflavone, 8-prenylmilldrone (1), and four new rotenoids, oblarotenoids A−D (2−5), along with nine known compounds (6−14), were isolated from the CH2Cl2/CH3OH (1:1) extract of the leaves of Millettia oblata ... -
Cytotoxicity Of Isoflavones And Biflavonoids From Ormocarpum Kirkii Towards Multi-factorial Drug Resistant Cancer
(University of Nairobi, 2019)Background While incidences of cancer are continuously increasing, drug resistance of malignant cells is observed towards almost all pharmaceuticals. Several isoflavonoids and flavonoids are known for their cytotoxicity ... -
Electrophoretic Deposition And Characterization Of TiO2/Nb2O5 Composite Thin Films For Dye Sensitized Solar Cells
(University of Nairobi, 2018)In this study, Electrophoretic Deposition (EPD) technique was used to fabricate TiO2/Nb2O5 composite thin films on FTO coated glass for application as photoelectrodes in Dye Sensitized Solar Cells (DSSC). A TiO2/Nb2O5 ... -
Assessment of Honeybee Colony Performance in the Agro-Ecological Zones of Uganda
(University of Nairobi, 2018)Honeybee colony performance is the ability of the honeybees to defend the colony and also to effectively collect nectar and pollen and thus productivity. The colony performance of honeybees in nine agro-ecological zones ... -
Assessment of the trends and presence of Water Related Conflicts in the Upper Ewaso Nyiro North River Basin: ACase for Laikipia County
(University of Nairobi, 2018)The main objective of the study was to assess how water resources are accessed, used and managed by diverse users pursuingdifferent socio-economic activities amicably. The Theory of Access, Game Theory, and Tragedy of ... -
Vegetative compatibility and phenotypic characterization as a means of determining genetic diversity of Aspergillus flavus isolates
(University of Nairobi, 2018)oxigenic Aspergillus species produce mycotoxins that are carcinogenic, hepatotoxic and teratogenic immunosuppressing agents in both human and animals. Kenya frequently experiences outbreaks of aflatoxicosis with the worst ... -
Contents lists available atScienceDirectJournal of Hydrology: Regional Studiesjournal homepage:www.elsevier.com/locate/ejrhImpacts of land use and land cover change on surface runoff,discharge and lowflows: Evidence from East Africa
(University of Nairobi, 2018)Region:East Africa.Focus:A review of catchment studies (n = 37) conducted in East Africa evaluating the impacts ofLand Use and Land Cover Changes (LULCC) on discharge, surface runoff, and lowflows.New hydrological ... -
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 ... -
Groundwater hydrodynamics of an Eastern Africa coastal aquifer during the recent La Niña 2016-17 drought
(University of Nairobi, 2019)In 2016-17 much of East Africa was affected by a severe drought which has been attributed to Indian Ocean Dipole and El Niño Southern Oscillation conditions. Extreme events such as this have immediate and knock-on effects ... -
Constraints And Solutions For Groundwater Development, Supply And Governance In Urban Areas In Kenya
(University of Nairobi, 2019)Based on a five-town case-study cohort in Kenya, a conceptual framework has been developed to enable the formulation of holistic and effective strategies that encompass the national aspirations and regional to global ...
