Gold Collection: Recent submissions
Now showing items 621-640 of 1028
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Compositional analysis and optical properties of Co doped TiO2 thin films fabricated by spray pyrolysis method for dielectric and p hotocatalytic applications
(Optik, 2017-01)Cobalt doped TiO2 thin films (CTF) deposited by spray pyrolysis has been studied. The compositional analysis has been done using RBS method, while optical spectroscopy has been done by measuring the transmittance and ... -
Enhanced performance of Sb2S3 mesoscopic sensitized solar cells employing TiO2:Nb compact layer
(Journal of Materials Science: Materials in Electronics, 2018-07-28)This paper reports on the enhancement of charge transport and recombination by niobium doped compact layers of TiO2 in a solar cell with Sb2S3 absorber layer by characterizing both thin films of TiO2:Nb and working solar ... -
Probing the equatorial ionosphere using spread-F signatures and GPS scintillations at Maseno in East Africa
(Advances in Space Research, 2018-10-01)The Maseno (0.0°S, 34.6°E) ionosonde and the Mbarara (0.6°S, 30.7°E) GPS SCINDA receiver have been used to probe the equatorial ionosphere of the East Africa region using data obtained in 2012 and 2015. The equatorial ... -
Total electron content and scintillations over Maseno, Kenya, during high solar activity year
(Atmospheric & Space Sciences, 2019-09-06)Proper characterization of total electron content (TEC) and scintillation is very important to global positioning system (GPS) users in communication, navigation, ionospheric or atmospheric studies. Quiet time variation ... -
Thermal properties and pressure-dependent elastic constants of cadmium stannate as a substrate for MEMS: An ab initio study
(Physica B: Condensed Matter, 2023-02-15)Silicon carbide (SiC) has become a suitable replacement to silicon as a substrate for manufacture of microelectromechanical systems (MEMS) that operate in harsh environmental conditions, owing to its better mechanical ... -
Accurate Ab-initio calculation of elastic constants of anisotropic binary alloys: A case of Fe–Al
(Solid State Communications, 2022-09-15)The final formed phases of alloys are functions of the chemical compositions of the mixture. The overall mechanical moduli of the alloy are also functions of the phases present. Most of the previous computed elastic constants ... -
Effect of antimony concentration on optical, electrical and structural properties of copper antimony sulphide thin films deposited by spray pyrolysis technique
(Iranian Journal of Physics Research, 2022-09)Copper antimony sulphide (CuSbS2) is a semiconductor with narrow band gap and a potential absorber material for applications in various optoelectronic devices like infrared detectors and solar cells. In this paper, CuSbS2 ... -
Thermal properties and pressure-dependent elastic constants of cadmium stannate as a substrate for MEMS: An ab initio study
(Physica B: Condensed Matter, 2023-02-15)Silicon carbide (SiC) has become a suitable replacement to silicon as a substrate for manufacture of microelectromechanical systems (MEMS) that operate in harsh environmental conditions, owing to its better mechanical ... -
Indium decorated nanoporous Ag as an efficient catalyst for enhanced CO2 electroreduction
(2022-07)Development of bimetallic nanoporous structures is of great importance for their energy and environmental applications due to their superior catalytic properties resulting from their higher surface-to-volume ratio, excellent ... -
Optimal efficacy in mosquito-host interaction inhibition by 35-60 kHz animal sounds for malaria control
(Biophysical Journal, 2023-02-10)Female Anopheles gambiae sensu stricto, the malaria vector, continues to develop resistance to synthetic insecticides thus threatening its control. Studies on mosquitoe's phonotaxis showed that the electronic mosquito ... -
Acoustical properties of compressed earth blocks: Effect of compaction pressure, water hyacinth ash and lime
(Case Studies in Construction Materials, 2023-01-04)This study assessed the potential use of a mixture of lime and water hyacinth ash (WHA) as binders in fabrication of cylindrical compressed earth blocks (CEBs) with good acoustic absorption properties for building and ... -
Effects of 15th January 2010 Annular Solar Eclipse on Traveling Ionospheric Disturbances and Equatorial Plasma Bubbles over Low Latitude Regions of East Africa
(Advances in Astronomy, 2022-11-21)The influence of the 15th January 2010 annular solar eclipse on traveling ionospheric disturbances (TIDs) and equatorial plasma bubbles (EPBs) is studied using data from six global navigation and satellite system (GNSS) ... -
Hemoglobinopathies, merozoite surface protein-2 gene polymorphisms, and acquisition of Epstein Barr virus among infants in Western Kenya
(BMC Cancer, 2023-06-20)Background Epstein Barr virus (EBV)-associated endemic Burkitt’s Lymphoma pediatric cancer is associated with morbidity and mortality among children resident in holoendemic Plasmodium falciparum regions in western Kenya. ... -
Indigenous knowledge factors influencing farmers' uptake of climate change adaptation strategies in Kajiado County, Kenya
(Journal of Water and Climate Change, 2023-06-15)Due to the effects of climate change, farmers in Kajiado County have embraced different climate change adaptation strategies including the use of indigenous knowledge (IK) and scientific approaches. The objective of this ... -
Utilization of Social Media Tools in Students Elections at Masinde Muliro University, Kenya
(International Journal of Innovative Research & Development, 2021-05-12)The advent of social media has brought with its new ways of communicating and interacting. Social networking sites have become quite popular in the recent past especially among the youth. They are not only being accessed ... -
An evaluation of the effectiveness of guidance and counselling services in public universities in Kenya
(Journal of Emerging Trends in Educational Research and Policy Studies, 2012-12-01)Concerns have been raised over the increase of problems like drug abuse, alcoholism premarital sex, cheating in examinations and teenage pregnancies in Kenyan Public Universities. The study sought to evaluate the effectiveness ... -
In Silico Models for Anti-COVID-19 Drug Discovery: A Systematic Review
(Advances in Pharmacological and Pharmaceutical Sciences, 2023-06-15)The coronavirus disease 2019 (COVID-19) is a severe worldwide pandemic. Due to the emergence of various SARS-CoV-2 variants and the presence of only one Food and Drug Administration (FDA) approved anti-COVID-19 drug ... -
Incidence and severity of bean common mosaic disease and resistance of popular bean cultivars to the disease in western Kenya
(Journal of Phytopathology, 2020-07-01)The common bean (Phaseolus vulgaris) is a high protein crop and the main legume in the cropping system of western Kenya. Despite its importance, common bean yields are low (<1.0 t/ha) and declining. Bean common mosaic virus ... -
Education for Sustainable Development: The Case of Masinde Muliro University of Science and Technology (MMUST
(Southern African Journal of Environmental Education, 2023-09-17)The unit-based sustainability assessment tool (USAT) was administered at Masinde Muliro University of Science and Technology (MMUST), Kenya, between January and March 2012. The assessment focused on establishing to what ... -
Screening and Prioritization of Pesticide Application for Potential Human Health and Environmental Risks in Largescale Farms in Western Kenya
(Agriculture, 2023-05-31)Pesticide application in agricultural and residential areas is a worldwide practice. However, human pesticide poisoning and environmental pollution through pesticide residues remain a challenge in the developing world. The ...
