Journal Articles: Recent submissions
Now showing items 801-820 of 1315
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Genomic and environmental risk factors for cardiometabolic diseases in Africa: methods used for Phase 1 of the AWI-Gen population crosssectional study
(2018-09-27)There is an alarming tide of cardiovascular and metabolic disease (CMD) sweeping across Africa. This may be a result of an increasingly urbanized lifestyle characterized by the growing consumption of processed and calorie-dense ... -
Treatment of Tungiasis with Dimeticone: A Proof-of- Principle Study in Rural Kenya
(2014-07)Tungiasis (sand flea disease) is a neglected tropical disease, prevalent in resource-poor communities in South America and sub-Saharan Africa. It is caused by an inflammatory response against penetrated female sand fleas ... -
Fully immunized child: coverage, timing and sequencing of routine immunization in an urban poor settlement in Nairobi, Kenya
(2016-05)Background: More efforts have been put in place to increase full immunization coverage rates in the last decade. Little is known about the levels and consequences of delaying or vaccinating children in different schedules.Vaccine ... -
Investigating the influence of business events experience on international visitors’ perceived destination image: The case of Kenya
(2021-03-15)Tourism destinations’ in Africa continue to experience stereotypes, prejudice and negative images. These are further amplified and reinforced by international media. International business events provide an opportunity to ... -
Effect of boron concentration on physicochemical properties of boron-doped carbon nanotubes
(Elsevier, 2015-01-07)Boron-doped carbon nanotubes (B-CNTs) were synthesized using chemical vapour deposition (CVD) floating catalyst method. Toluene was used as the carbon source, triphenylborane as boron as well as the carbon source while ... -
Charge extracting buffer layers in bulkheterojunction organic solar cell
(Springer, 2015-08-27)The effects of boron and nitrogen-doped carbon nanotubes (B- or N-CNTs) have been investigated as photoactive and charge extracting layer in bulk heterojunction organic solar cell composed of poly(3-hexylthiophene) [P3HT] ... -
(4-{[(Pyridin-4-yl)methylidene]amino}- phenyl)ferrocene
(2012-11-21)The asymetric unit of the title compound, [Fe(CH)(CHN)], contains two independent mol-ecules whose conformations differ, especially in the 4-{(pyridin-4-yl)methyl-idene]amino}-phenyl unit where one is flipped by almost ... -
Organic Solar Cells with Boron- or Nitrogen-Doped Carbon Nanotubes in the P3HT : PCBM Photoactive Layer
(Hindawi Publishing Corporation, 2015-12-02)Either boron- or nitrogen-doped carbon nanotubes (B- or N-CNTs) were incorporated in bulk heterojunction organic solar cells photoactive layer composed of poly(3 hexylthiophene) (P3HT) : (6,6)-phenyl-C61-butyric acid methyl ... -
Bulk Heterojunction Solar Cell with Nitrogen-Doped Carbon Nanotubes in the Active Layer: Effect of Nanocomposite Synthesis Technique on Photovoltaic Properties
(2015-05-08)Nanocomposites of poly(3-hexylthiophene) (P3HT) and nitrogen-doped carbon nanotubes (N-CNTs) have been synthesized by two methods; specifically, direct solution mixing and in situ polymerization. The nanocomposites were ... -
Nitrogen-Doped Carbon Nanotubes Synthesised by Pyrolysis of (4-{[(Pyridine-4-yl)methylidene]amino}phenyl)ferrocene
(Hindawi Publishing Corporation, 2013-08-13)Nitrogen-doped carbon nanotubes (N-CNTs) were synthesized by pyrolysis of (4-{[(pyridine-4-yl)methylidene]amino}phenyl) ferrocene in a solution of either acetonitrile or toluene as carbon source. This was achieved by testing ... -
A review on carbon nanotube/polymer composites for organic solar cells
(John Wiley & Sons, Ltd., 2014-04-13)Carbon nanotubes (CNTs) have unique properties, such as their electrical conductivity, that enable them to be combined with conducting polymers to form composites for use in organic solar cells (OSCs). It is envisaged that ... -
An Effort Estimation Method for Service-Oriented Architecture
(2020-10-16)Determining size and effort of SOA systems is critical for managing SOA projects. As a consequence, a number of methods have been proposed to estimate effort of building SOA projects but the problem of estimating SOA ... -
Instructional Usefulness of ICT’s as perceived by Lecturers in Technical Training Institutions in Kenya
(2021-01)Information Communication Technologies (ICT’s) is now the source of information used for instruction in our institutions of learning. Teacher education has received a big challenge as educators have to keep pace with the ... -
Species composition and distribution of mayflies (Ephemeroptera) in relation to land use systems along the Thika River, Kenya
(Taylor & Francis Group, 2021-02-26)Mayflies (order Ephemeroptera) are widely distributed and commonly used in biological assessment of water quality because of their sensitivity. Their application as bio-indicators in tropical streams and rivers, however, ... -
Effect of Transformational Leadership Style on Employee Engagement In Public Secondary Schools, Murang’a County, Kenya
(Society for Science and Education, 2018-11-25)This study sought to examine the effect of employee transformational leadership style on employee engagement in public secondary schools of Murang’a County in Kenya. A survey research design was employed. The target ... -
Effect of Authentic Leadership Style on Employee Engagement In Public Secondary Schools, Murang’a County, Kenya
(Society for Science and Education, 2018-11-25)This study sought to examine the effect of employee authentic leadership style on employee engagement in public secondary schools of Murang’a County in Kenya. A survey research design was employed. The target population ... -
Effect of Transactional Leadership Style on Employee Engagement
(Strategic Journals, 2020-11-12)This study examined the effect transactional leadership style on employee engagement in public secondary schools of Murang’a County in Kenya. A survey research design was employed. The target population was 3,860 teachers. ... -
Gender, Leadership Style and Employee Engagement
(IOSR Journals, 2021-01)This study sought to establish the relationship between gender, leadership styles and teacher engagement in public secondary schools of Murang’a County, Kenya. A survey research design was used. A sample of 368 respondents ... -
Level of Education, Leadership Style and Employee Engagement
(IISTE, 2021-01-31)This study sought to establish the relationship between the level of education, leadership style and teacher engagement in public secondary schools of Murang’a County, Kenya. A survey research design was used. A sample of ... -
Effect of Dark Leadership Style on Employee Engagement
(Strategic Journals, 2020-11-12)This study examined the effect of dark leadership style on employee engagement in public secondary schools of Murang’a County in Kenya. A survey research design was employed. The target population was 3,860 teachers. ...
