Browsing Journal Articles by Title
Now showing items 2651-2670 of 3929
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Optimization of growth conditions and characterization of enzymatic activity of selected novel Streptomyces species from Kenyan soils
(Scientific Conference Proceedings, 2012-06-14)This study was aimed at unveiling and assessing protease, esterase, amylase and lipase enzymes from selected novel Streptomyces species with biotechnological interest. Four Streptomyces isolates from Jomo Kenyatta University ... -
Optimization of parameters for bio-ethanol production from sweet sorghum (Sorghum bicolor (L.) Moench) stalk juice and finger millet malt using Taguchi method
(2024)Bio-ethanol is a promising renewable energy but its production is expensive from high cost of feedstocks. In this study, sweet sorghum (Sorghum bicolor (L.) Moench) stalk juice was investigated for bio-ethanol production. ... -
Optimizing production of biodiesel catalysed by chemically tuned natural zeolites
(Elsevier, 2018-12-31)The twin crises of fossil fuel depletion and environmental degradation coupled with their unpredictable prices is a reality. Biodiesel is a promising, viable and environmentally friendly alternative. However, production ... -
Optimizing Zeolitic Catalysis for Environmental Remediation
(John Wiley & Sons, Inc., 2015-05-01)This chapter discusses the effects of chemical and physical properties of zeolites as they affect the catalytic efficacy and applications of the zeolites in environmental remediation. Heterogeneous catalysts, where zeolites ... -
Option Pricing of an Asset with Seasonal and Periodic Supply
(International Journal of Multidisciplinary Sciences and Engineering, 2014-12-12)In option pricing the rate of change of asset price with time can be viewed to be directly proportional to the Walrasian [6] excess demand. Scholars such as Jacques [3] and Onyango [4], have used the excess demand concept ... -
Option Pricing of an Asset with Seasonal and Periodic Supply
(International Journal of Multidisciplinary Sciences and Engineering, 2014)In option pricing the rate of change of asset price with time can be viewed to be directly proportional to the Walrasian [6] excess demand. Scholars such as Jacques [3] and Onyango [4], have used the excess demand concept ... -
Ordinary Least Square and Vector Autoregressive analysis of Forward Integration Credit Risk Mitigation Mechanisms by Commercial Banks on Capital Employed growth of Agribusinesses in Kenya
(International Journal of Application or Innovation in Engineering & Management, 2017)Capital growth is long-term return expectations on a balanced fund; where time is required to facilitate determination of compounding and diversification functions of Capital Employed on itself; not only for the lender ... -
Organizational Characteristics that are Antecedents to Organizational Learning: A Case of Maseno University, Kenya
(AFRICAN JOURNALS ONLINE (AJOL), 2014)This paper sought to establish the existing Organizational characteristics that are antecedent to organizational learning in public Universities, a case of Maseno University, Kenya. The study adopted a survey design. The ... -
Organizational cultural factors hindering women ascending to top management positions in public universities in Kenya: a case of Moi University
(IISTE, 2011)It is observed that the major setback to economic development in Kenya is stagnation in industrial development. To overcome these, Kenya plans to be a middle level income nation by the year 2030. These plans are to ... -
Orthogonality of elementary operators in normed spaces and their applications
(SAMSA 2012 mathematics conference proceedings, 2012-11)Malaria is a major public health concern, especially among pregnant women and children under the age of five. It is a leading cause of morbidity and mortality in Malawi, accounting for fourty percent of out-patient ... -
Ortner syndrome
(South African Journal of Child Health, 2008)Ortner syndrome, or cardio-vocal syndrome, is a clinical entity characterised by hoarseness (secondary to left-sided recurrent laryngeal nerve palsy) caused by cardiovascular disease. It has been reported in up to 12% of ... -
Osmotic demyelination syndrom: case report
(East African Medical Journal, 2007)We present a 40 year old man who was admitted to the hospital with convulsions. His final diagnosis was osmotic demyelination syndrome (ODS). We discuss the diagnostic and management challenges and the possible complications ... -
Outcome of intravitreal Avastin® injections in patients with macular oedema in Uganda: a cohort study
(Nature Publishing Group, 2022)To determine the outcome of Intravitreal Avastin (IVA) injections in patients with Macular Oedema (MO) in Uganda. -
Outpatient upper respiratory tract viral infections in children with malaria symptoms in Western Kenya.
(Pub Med Central, 2010-11)A cross-sectional study was performed in children 5 through 10 years of age presenting to outpatient clinics in Nyanza Province, Kenya, in which nasal swab and blood specimens were collected during the high malaria ... -
Overall Determinants of Foreign Direct Investment Inflows in Kenya
(2017-04-20)Empirical literature on the determinants of foreign direct investments (FDI) flows is extensive but controversial over some determinants of FDI in-flows in developing countries. The objective of this study therefore was ... -
An overview of current status of Kenyan fish feed industry and feed management practices, challenges and opportunities
(Kenya Marine & Fisheries Research Institute, National Aquaculture Research Development & Training Center (NARDTC, 2014)The profitability of commercial fish farming operation is of paramount importance to all farmers. However, farmers must have access to well-balanced and cost effective feeds coupled with optimal on-farm feed management ... -
An overview of Kenyan aquaculture: Current status, challenges, and opportunities for future development
(Munguti Jonathan Mbonge; Kim Jeong-Dae; Ogello Erick Ochieng, 2014-03-31)The Kenyan aquaculture sector is broadly categorized into freshwater aquaculture and mariculture. Whereas freshwater aquaculture has recorded significant progress over the last decade, the mariculture sector has yet to be ... -
Ownership concentration and financial performance of listed firms in Kenya: An econometric analysis using panel data
(European Scientific Journal, 2013)In this study, we use panel methodology comprising 53 firms listed at the Nairobi Securities Exchange to establish the effect of ownership concentration on financial performance of these firms for the period 2007 to 2011. ... -
The oxytocic properties of Luffa cylindrica (L.) M. Roem. and Bidens pilosa L., traditionally used medicinal plants from western Uganda
(Blackwell Publishing Ltd, 2007-12-01)The usage of medicinal plants in childbirth in Uganda is a long standing tradition. Over 80% of Ugandan women have childbirth at home and herbal remedies are administered to complete the process of childbirth. The herbs ...