Journal Articles: Recent submissions
Now showing items 41-60 of 1146
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Structural and Optical Properties of ZnO:Al:Ga Co-Doped Nanoparticles: Investigation on the Effects of pH of the Precursor Solution via a Simple Sol-Gel Route
(American Journal of Materials Science, 2024)Zinc oxide (ZnO) has unique properties that are suitable for solar cell applications. However, there is need to improve its effectiveness by incorporating dopants into ZnO structure. This study investigates how pH affects ... -
Rapid Macronutrient Profiling of Maize Varieties Grown in Kirinyaga County, Kenya Using Atr-Ftir Spectroscopy and Chemometric Techniques.
(INTERNATIONAL JOURNAL OF RESEARCH AND INNOVATION IN APPLIED SCIENCE (IJRIAS), 2025)Maize (Zea mays), a staple food in Kenya, is vital for food security and economic sustainability, contributing 12.65% to the agricultural GDP. Despite its centrality, limited studies have explored the nutritional ... -
Leveraging off higher plant phylogenetic insights for antiplasmodial drug discovery
(Natural Products and Bioprospecting, 2023)The antimalarial drug-resistance conundrum which threatens to reverse the great strides taken to curb the malaria scourge warrants an urgent need to find novel chemical scaffolds to serve as templates for the development ... -
Kojic acid derived hydroxypyridinone–chloroquine hybrids: Synthesis, crystal structure, antiplasmodial activity and b-haematin inhibition
(Bioorganic & Medicinal Chemistry Letters, 2014)Aminochloroquinoline–kojic acid hybrids were synthesized and evaluated for b-haematin inhibition and antiplasmodial activity against drug resistant (K1) and sensitive (3D7) strains of Plasmodium falciparum. Compound 7j ... -
Effects of Catchment Land Use on Nutrients and Heavy Metals Inflows into Maragua and Mathioya Wetlands in Murang’a County, Kenya
(INTERNATIONAL JOURNAL OF RESEARCH AND INNOVATION IN APPLIED SCIENCE (IJRIAS), 2025)Wetland ecosystems in Murang’a County are diminishing due to increased catchment land use practices. Part of wetlands have been converted into farmlands where various agricultural activities are carried out while some parts ... -
Analysis of Pesticide Residues in Tomatoes and French Beans from Murang’a and Kiambu Counties, Kenya
(European Journal of Nutrition & Food Safety, 2020)Poor Pesticide-handling practices during production of tomatoes and French beans pose adverse health and environmental effects. This study was conducted to determine the concentrations of pesticide residues in tomatoes ... -
Prioritised identification of structural classes of natural products from higher plants in the expedition of antimalarial drug discovery
(Natural Products and Bioprospecting, 2023)The emergence and spread of drug-recalcitrant Plasmodium falciparum parasites threaten to reverse the gains made in the fight against malaria. Urgent measures need to be taken to curb this impending challenge. The ... -
Development of a Traceability Model for Geographical Origin of Kenya’s Black Teas Based on Principal Component Analysis of FTIR and UV-Vis Spectral Data
(INTERNATIONAL JOURNAL OF RESEARCH AND INNOVATION IN APPLIED SCIENCE (IJRIAS, 2025)Authentic tracing of the origins of black tea is important in the tea market as this helps to extrapolate the quality and thus prices. Tasting on its own can be a misleading test for tea quality and origin tracing since ... -
Livestock Farmers’ Perception on Generation of Cattle Wastebased Biogas Methane: the Case of Embu West District, Kenya
(Journal of Energy Technologies and Policy, 2014)Perception of livestock farmers on the generation of cattle waste-based biogas methane was evaluated in this study. The study was carried out in Embu West district in Kenya. A random sampling technique was used to gather ... -
Electrophoretic Deposition of TiO2/Nb2O5 Composite Electrode Thin Films for Photovoltaic Application
(Journal of Energy and Power Engineering, 2014)Nano sized powders of TiO2 (titanium dioxide) and Nb2O5 (Niobium (V) oxide) were used to fabricate TiO2/Nb2O5 composites thin films by EPD (electrophoretic deposition) technique. The metal oxide powders, together with ... -
Electrical Characterization of Nano-TiO2/Nb2O5 Composite Thin Films Deposited Using Electrophoretic Deposition Technique
(International Journal of Innovative Research in Advanced Engineering (IJIRAE), 2015)This paper reports the results of electrical characterization of TiO2/Nb2O5 composite thin films. Uniform TiO2 and Nb2O5 composites thin films were deposited on FTO coated glass substrate using electrophoretic deposition (EPD) ... -
Effect of Process-Related Parameters on Band Gap of Electrophoretically Deposited TiO2/Nb2O5 Composite Thin Films
(Africa Journal of Physical Sciences, 2014)Nano-crystalline composite thin films of titanium dioxide and niobium (v) oxide (TiO2/Nb2O5 ) were successfully deposited on fluorine doped tin oxide (FTO) coated glass substrate using electrophoretic deposition (EPD) ... -
Electrophoretic Deposition and Characterization of TiO2/Nb2O5 Composite Thin Films for Dye Sensitized Solar Cells
(Journal of Materials Physics and Chemistry, 2018)In this study, Electrophoretic Deposition (EPD) technique was used to fabricate TiO2/Nb2O5 composite thin films on FTO coated glass for application as photoelectrodes in Dye Sensitized Solar Cells (DSSC). A TiO2/Nb2O5 ratio ... -
Effects of Varying Growth Temperature on Optical and Structural Properties of Iron-doped Zinc Oxide Nanoparticles
(Nanoscience and Nanotechnology, 2025)Iron-doped zinc oxide nanoparticles (Fe: ZnO NPs) have gained attention in biomedical fields due to their tunable optical properties and potential as biomedical agents. However, the influence of growth temperature on ... -
Effects of Glutathione Concentration Used as a Capping Agent on the Structural, Optical, and Photoluminescence Properties of Fe: ZnO NPs
(American Journal of Condensed Matter Physics, 2025)Glutathione (GSH) capped Iron-doped zinc oxide nanoparticles (GSH-Fe: ZnO NPs)at varying GSH concentrations (0.002, 0.004, 0.006, 0.008, 0.01, 0.012, 0.014M) were successfully synthesized through sol-gel route to study their ... -
THE PERFORMANCE OF RAPID DIAGNOSTIC KITS IN CHOLERA DIAGNOSIS AMONG PATIENTS PRESENTING WITH DIARRHOEA SYMPTOMS ATTENDING THE NAIROBI WOMENS HOSPITAL (ADAMS
(EAST AFRICAN MEDICAL JOURNAL, 2021)Background: Cholera is an acute watery diarrhea disease caused mainly by Vibrio Cholera O1 and less commonly by Vibrio Cholera O139. It remains a global threat to public health thus importance to early detection. Stool is ... -
Ten simple rules for developing a research mentorship program: The experience of the postgraduate mentorship program at the Kenya Medical Training College
(Kenya Eye Health Journal, 2024)Introduction: The development and implementation of research mentorship programs are pivotal for cultivating future scholars and advancing academic research. This case description explores the application of ten essential ... -
SALIVA AND BLOOD GLUCOSE PARAMETRIC ANALYSIS AMONG INDIVIDUALS ATTENDING KUTRRH HOSPITAL IN NAIROBI, KENYA
(East African Medical Journal, 2022)Background: Diabetes mellitus is a glucose metabolic disorder which occurs when the body is unable to regulate blood glucose. High blood glucose level is toxic to body organs and leads to organ failure and death. Blood ... -
QUALITY OF SELECTED IMMUNOLOGICAL AND IMMUNOHEMATOLOGICAL TESTS IN CLINICAL LABORATORIES IN KIAMBU COUNTY, KENYA
(EAST AFRICAN MEDICAL JOURNAL, 2024)Objective: This study is aiming at assessing the quality of external quality assessment control results of standard Immunological and Immuno-haematological control samples generated by clinical laboratories in Kiambu ... -
MICROBIAL FLORA IDENTIFIED IN CERVICAL SMEARS OF WOMEN ATTENDING MACHAKOS LEVEL V HOSPITAL, CANCER CARE AND RESEARCH CENTRE
(EAST AFRICAN MEDICAL JOURNAL, 2021)Background: Several microorganisms which may be found in the cervix of women may disrupt the physiological and immunological function of the cervix. The immune system keeps them on check to prevent abnormal proliferation ...