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Now showing items 4151-4160 of 4193
Radiometric Survey of the Tyaa River Sand Mine in Kitui, Kenya
(University of Nairobi, 2020)
Gamma spectroscopic analyses of sand and rock samples from Tyaa River report an average activity concentration of 33 ± 1, 55 ± 2.8 and 812 ± 40.46 Bqkg-1 for 226Ra, 232Th and 40K, respectively in the sand. A similar analysis ...
Cloud Computing Adoption by Firms in Kenya: the Role of Institutional Forces
(University of Nairobi, 2019)
While there is substantial literature on the adoption of IT innovations based on utility computing, there is a dearth of studies on cloud computing adoption by business organizations. Given that cloud computing adoption ...
Anilino-functionalized Graphene Oxide Intercalated With Pt Metal Nanoparticles for Application as Supercapacitor Electrode Material
(University of Nairobi, 2016)
Nanostructured anilino-functionalized reduced graphene oxide intercalated with Pt metal nanoparticles was successfully synthesized. Graphene oxide nanosheets were synthesized using a modified Hummers method with simultaneous ...
Spatial and temporal trends of polychlorinated biphenyls in water and sediment from Nairobi River, Kenya
(University of Nairobi, 2020)
Polychlorinated biphenyls (PCBs) are chemicals that have become ubiquitous environmental pollutants due to their past use, persistence, and long-range transport thus requiring continuous monitoring. Therefore, this research ...
DryCardtm — A Low-cost Dryness Indicator for Dried Products
(University of Nairobi, 2017)
Mycotoxin contamination of food and feed is a significant health hazard in humid areas of the
world. Fungal development can be halted if the water activity of dried products is kept below 0.65. This
preliminary study ...
The prevalence of the Rouviere's sulcus: A meta-analysis with implications for laparoscopic cholecystectomy
(University of Nairobi, 2020)
Rouvière's sulcus (RS) is increasingly being recognized as an important extra-biliary landmark during laparoscopic cholecystectomy (LC). The aim of this study was to conduct a systematic analysis of the prevalence and ...
Is there evidence of intra-uterine vertical transmission potential of COVID-19 infection in samples tested by quantitative RT-PCR?
(University of Nairobi, 2020)
There is currently no definitive evidence of intra-uterine vertical transmission of COVID-19 in pregnant women diagnosed in the third trimester. All patients included in the current analysis developed symptoms and were ...
Hybridized Robust Chemometrics Approach for Direct Rapid Determination of Trace Biometals in Tissue Utilizing Energy Dispersive X-ray Fluorescence and Scattering (Edxrfs) Spectrometry
(University of Nairobi, 2018)
Direct rapid energy dispersive X-ray fluorescence and scattering (EDXRFS) analysis of trace biometals in soft body tissues is important because it has an immense potential for biomedical applications. Unfortunately this ...
First Report of Southern Bean Mosaic Virus Infecting Common Bean in Zambia
(University of Nairobi, 2020)
Southern bean mosaic virus (SBMV, genus Sobemovirus) is one of the causative agents of mosaic and mottle diseases in common bean (Phaseolus vulgaris) (Tremaine and Hamilton 1983). The ∼4.2 kb (+)ssRNA genome of SBMV is ...
Corporate Governance Practices in Micro-Finance Institutions in Nairobi, Kenya
(University of Nairobi, 2020)
Governance is about achieving corporate goals. For most MFIs, dual goals exist particularly the social and economic perspectives. In Kenya, good governance involves effective guidance of the board of MFIs to manage the ...