Research and Publications: Recent submissions
Now showing items 701-720 of 1146
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Response of Economic Growth to Domestic Borrowing in Kenya
(Amity Journal of Economics, 2017)Kenya envisioned economic growth rate of 10 per cent per annum and a reduction in domestic debt levels to below 25 per cent of GDP by 2012. These targets were not achieved. Whether the slow rate of ... -
Impedimetry and microscopy of electrosynthetic poly(propylene thiophenoimine)-co-poly(3,4 ethylene dioxythiophene) dendritic star copolymer
(2011)The electrochemical impedance spectroscopy of generation 2 poly(propylene thiophenoimine)-co-poly(3,4 ethylene dioxythiophene) dendritic star copolymer (G2PPT-co-PEDOT) film was studied in LiClO4 solution. The results show ... -
Determination of Anthracene on Ag-Au Alloy Nanoparticles/Overoxidized-Polypyrrole Composite Modified Glassy Carbon Electrodes
(Molecular Diversity Preservation International, 2010)A novel electrochemical sensor for the detection of anthracene was prepared by modifying a glassy carbon electrode (GCE) with over-oxidized polypyrrole (PPyox) and Ag-Au (1:3) bimetallic nanoparticles (Ag-AuNPs). The ... -
Mitazamo ya Kusawiri Wahusika wa Kike katika Tamthilia za Kiswahili: Posa za Bikisiwa na Mama Ee
(The Africa Premier Research Publishing Hub, 2017)Uhusiano kati ya jinsia ya kiume na ya kikeni ni suala linaloendelea kuzua mijadala si haba miongoni mwa jamii kila uchao. Aghalabu midahalo hiyo huibua mitazamo kinzani baina ya wasomi na wahakiki wa kazi za kifasihi. ... -
Electrochemical Aptasensor for Endocrine Disrupting 17β-Estradiol Based on a Poly(3,4-ethylenedioxylthiopene)-Gold Nanocomposite Platform
(Molecular Diversity Preservation International, 2010)A simple and highly sensitive electrochemical DNA aptasensor with high affinity for endocrine disrupting 17β-estradiol, was developed. Poly(3,4-ethylenedioxylthiophene) (PEDOT) doped with gold nanoparticles (AuNPs) was ... -
Synthesis and characterization of poly (propylene imine) dendrimer–Polypyrrole conducting star copolymer
(Elsevier, 2010)A star copolymer based on poly(propylene imine) (PPI) dendrimer core (generations 1–4) and polypyrrole (PPy) shell was prepared. The synthesis procedure involved a condensation reaction between PPI surface primary amine ... -
Optimal Placement of FACTS Devices to Improve Power Flow Using Bees Algorithm
(International Journal of Advanced Research in Computer Science, 2016)Flexible AC Transmission System (FACTS) device has gained popularity recently as an essential device in power systems. The introduction of FACTS technology in power systems has seen increased flexibility and control of ... -
Relationship between Body Mass Index and Blood Pressure Level in Hypertensive Patients Attending Kiambu District Hospital, Kenya
(International Journal of Health Sciences and Research, 2018)Uncontrolled hypertension is the primary cause of cardiovascular disease occurrence which greatly contributes to fatality worldwide. Obesity is known to impact cardiovascular health, being an appropriate ... -
Ethical Issues and Indigenous Knowledge Production and Use in Sub-Saharan Africa in the 21st Century
(2014)This paper addresses the ethical issues which relate to the sharing, use, access, research and personal as well as social benefit of indigenous knowledge produced in sub-Saharan Africa. Close to two decades into the 21st ... -
Knowledge Management education in the departments of Library/Information Science in South Africa
(Sabinet, 2007)This paper focuses on the role of the departments of Library and/or Information Science (U1S) in South African universities in the training of Knowledge Management (KM) competencies. A questionnaire was e-mailed to thirteen ... -
DEVELOPING DIGITAL INFORMATION LITERACY AT INSTITUTIONS OF HIGHER LEARNING IN SUB-SAHARAN AFRICA: OPPORTUNITIES AND CHALLENGES
(SCECSAL, 2016)This is a study on developing digital information literacy at institutions of higher learning in sub-Saharan Africa and how digital information literacy may play a role in socio-economic development in sub-Saharan Africa. ... -
Graphenated tantalum (IV) oxide and poly (4-styrene sulphonic acid)-doped polyaniline nanocomposite as cathode material in an electrochemical capacitor
(Pergamon, 2014)Nanostructured poly(4-styrene sulphonic acid) and tantalum (IV) oxide-doped polyaniline nanocomposite were synthesised and their electro-conductive properties were determined. The oxide was synthesized using a modified ... -
A silver Nanoparticle/Poly (8-Anilino-1-Naphthalene Sulphonic Acid) Bioelectrochemical Biosensor System for the Analytical Determination of Ethambutol
(2011)Ethambutol (2S, 2′S)-2, 2′-(ethane-1, 2-diyldiimino) dibutan-1-ol) is a first-line antitubercular drug effective against actively growing Mycobacterium tuberculosis. Resistance of the mycobacterium to ethambutol among ... -
Modulation of the interfacial electrochemistry of surfactant-functionalised polypyrrole chemical sensor systems
(Pergamon, 2011)The redox properties of electro-polymerized polypyrrole (Ppy) doped with different surfactants were studied in acid medium. It was found out that the addition of different surfactants affect the redox properties as evidenced ... -
A Fingerprint &Pin Authentication to Enhance Security At The Automatic Teller Machines
(International Journal of Scientific & Engineering Research, 2017)The need of money can only be satisfied when you are carrying money with you. That also increases the risk of getting robbed. This researchfocuses on how to enhance security of transactions in Automatic Teller ... -
The Dependency of Bus Voltage and Frequency in Load Shedding
(2014)Load shedding schemes proposed in literature so far use voltage and frequency parameters separately. The individual consideration of these indices may not be reliable or effective, and may even lead to the over load ... -
Rheology of modified water based Isinya and Amboseli Clays: Effect of sodium carbonate and sodium carboxymethylcellulose.
(2018)Two Kenyan state owned entities are investing heavily in geothermal power exploration in Rift valley, to find enough steam for developing geothermal plants with capacities of up to 10,000 MW. This will require ... -
Survey for Pest and Natural Enemies of Amaranth and African Nightshades in Kenya and Tanzania
(2015)In the context of the HORTINLEA project (www.hortinlea.org) baseline survey activities were conducted to identify the diversity, distribution, incidence, and damage of arthropod pests and natural enemies infesting leafy ... -
Profiling active phytochemical compounds of Ziziphus abyssinica herb responsible for antioxidant and antimicrobial activity
(2017)This paper seeks to determine the various active compounds that are present in the Ziziphus abyssinica A. Rich that would elicit antioxidant and antimicrobial activity on foodstuff. The cold methanolic extract was separated ... -
Important arthropod pests on leafy amaranth (Amaranthus viridis, A. tricolor and A. blitum) and broad-leafed African nightshade (Solanum scabrum) with a special focus on host
(African Journal of Horticultural Science, 2017)Leafy amaranths and African nightshades are important African Indigenous vegetables (AIVs) with numerous nutritional and health benefits. However, their production is faced with several challenges - key among them integrated ...
