College of Pure and Applied Sciences (COPAS): Recent submissions

Now showing items 21-40 of 401

MAAMSIC: Multimodal Authentication and Authorization Model for Security of IoT Communication via GSM Messaging in Sub-Saharan Africa

Nabusoba, Joan (JKUAT-COPAS, 2024-05-21)

Internet of Things (IoT) which consists of heterogeneous devices is an enabling technology that can greatly improve the quality of lives in Sub-Saharan Africa. For instance, soil humidity and irrigation for e-agriculture, ...
Antimalarial Efficacy and Safety of Senna occidentalis (L.) Link Roots Extract

Mogaka, Simeon Zachariah (JKUAT-COPAS, 2024-05-14)

Senna occidentalis (L.) Link has been used worldwide in traditional treatment of many diseases and conditions. In Kenya, a decoction from the plant roots taken orally is used as a cure for malaria. Several studies have ...
Predicting Students’ Academic Performance Using a Hybrid of Machine Learning Algorithms

Ayienda, Roselyne Bonareri (JKUAT-COPAS, 2024-05-13)

The research highlights the significance of student academic performance as a crucial factor in determining the success of educational institutions. Educational data mining (EDM) is employed to analyze educational data, ...
Immunomodulatory Properties of Terminalia brownii Fresen and Carissa edulis (Forssk.) Vahl Extracts

Mbiri, Jane Wanja (JKUAT-COPAS, 2024-04-22)

Microbial infections are currently on the rise and this significantly increases the rates of mortality and cases of disability worldwide. This surge is attributed to the emergence of antimicrobial resistance, rendering ...
Influence of Varying Wind Speeds, Installation Heights, Orientation and Tilt Angles on Solar PV Modules and Design of Automated PV Surface Cleaning System

Ndeto, Martin Paul (JKUAT-IEET, 2024-04-18)

Solar photovoltaic (PV) is one of the emerging technologies widely acknowledged as a potential solution to energy poverty. This is because of its high reliability, long life, and automatic operation with minimal ...
Growth Performance, Fecundity and Sexual Growth Dimorphism of Oreochromis esculentus and Two Populations of Oreochromis niloticus Under Cage Culture in Kisii County, Kenya

Muga, Edwin Robin (2024-04-04)

The blue growth initiative can be a driver in helping to meet the increased demand for food. Tilapiine fish species, Singida tilapia, Oreochromis esculentus, a fish once prevalent in Lake Victoria and satellite lakes was ...
Application of Genetic Algorithm to Optimize Microalgae Cultivation Conditions in a Locally Assembled Flat Plate Photobioreactor

Mukabane, Bonface Godwin (JKUAT-IEET, 2024-04-04)

The availability of more cost-effective sources of energy is a key driver of any economic development more so for a developing country like Kenya. The interest in biofuels is motivated by: the fluctuating oil prices and ...
Characterization of Geothermal Resource in the Olkaria South East Field using Multidimensional Magnetotelluric Data Inversion

Wachira, Eunice Wambui (JKUAT-COPAS, 2024-04-02)

One of the seven blocks that make up the Greater Olkaria Complex is Olkaria South East field. There are few wells that have been drilled, therefore the area is continuously being explored. Olkaria south east field is ...
Dietery Utilization of Black Soldier Fly Larvae (Hermetia illucens) in African Catfish (Clarias gariepinus) Cultured Under Spinach (Spinacia oleracea) Propagated Aquaponic System Using Different Substrates

Omboga, Maranga Benard (JKUAT-COPAS, 2024-02-05)

The rising demand of fish due to its nutritive value has led to over exploitation of capture fisheries thus, paving way for aquaculture development. Being the world’s fastest growing agro-food sector, aquaculture faces a ...
Maize Disease Classification Model Based Multi Task Learning - Convolutional Neural Networks

Niyomwungere, Diane (JKUAT-COPAS, 2024-02-05)

One of the top machine learning algorithms for image classification is Convolutional Neural Networks, according to experts. Convolutional Neural Networks has been extensively used in the agriculture sector for a variety ...
Classification of Stateless Communities Using a Robust Nonparametric Kernel Discriminant Function

Obudho, Macdonald George (JKUAT-COPAS, 2024-02-01)

The main objective of this study was to classify the stateless communities using a Robust Nonparametric Kernel Discriminant Function. A Robust Nonparamet- ric Kernel Discriminant Function has therefore been developed by ...
Estimation of Finite Population Totals Based on a Robust Nonparametric Feedforward Backpropagation Neural Network

Were, Festus Anzetse (JKUAT-COPAS, 2024-02-01)

Estimation procedure of Population Parameters in Model Based framework has employed Nonparametric techniques widely. This has become more interesting when complete Auxiliary information is available allowing use of more ...
Molecular Characterization and Pathogen Loads Assessment of Cimex Spp. (Bedbugs) in Selected Counties of Kenya

Mbuta, Dennis Mutua (JKUAT-COPAS, 2023-11-27)

Bedbugs, voracious blood-feeding ectoparasites, are indeed a potentially significant health problem within resident communities in Kenya. However, there is paucity of available studies on epidemiological or clinical data ...
Risk Factors of Sub-Clinical Mastitis, Antibiogram and Genotypic Analysis of Staphylococcus Spp. And Enterobacteria Resistant Bacteria Isolated from Humans and Lactating Dairy Cows from Small-Holder Farms in Gatundu Sub-County, Kenya

Otenga, Felix Odhiambo (JKUAT-COPAS, 2023-11-21)

The emergence and subsequent widespread antimicrobial resistance significantly impact global health. The aim of the study was to determine risk factors of sub-clinical mastitis, antibiogram and genotypic analysis of ...
Removal of Selected Pharmaceutical Residues from Wastewater using Activated Carbon from Rice Husks and their Biodegradation using Microorganisms

Peter Mungai, Kahara (JKUAT-COPAS, 2023-10-23)

Presence of pharmaceutical residues in wastewater discharges into rivers disrupts aquatic ecosystems and human health. The risk of exposure to these pharmaceutical residues becomes greater since most of them are not degraded ...
Design and Fabrication of an Integrated Microcontroller Security System

Muoki, Sakayo (JKUAT-COPAS, 2023-10-23)

Ubiquitous insecurity brought about by terrorism and advances in human development and technology are significantly on rise. People now live in more advanced homes with facilities that make life more comfortable but also ...
Antimicrobial Activity and Degradation Effect of Green Iron Nanoparticles Synthesized Using Galinsoga parviflora (Cav.), Conyza bonariensis (L.) and Bidens pilosa (L.) Leaves

Wanakai, Sammy Indire (JKUAT-COPAS, 2023-08-01)

Infectious bacterial diseases remain a major global problem due to antibiotic resistance caused by the misuse of antibiotic drugs. Green nanoparticles have rare and unique applicability in various fields: medicine, nutrition, ...
Biocontrol Potential of Chitin and Chitosan Extracted from Black Soldier Fly Pupal Exuviae against Bacterial Wilt of Tomato

Kemboi, Violah Jepkogei (JKUAT-COPAS, 2023-09-08)

Globally, Ralstonia solanacearum (Smith) is ranked one of the most destructive bacterial pathogens inducing rapidly and fatal wilting symptoms on tomato. Yield losses on tomato vary from 0 to 91% and most control measures ...
Milk Quality Assessment for Adulteration and Organic Contaminants in Juja and Githurai Markets, Kiambu County

Ouma, Josephine Adhiambo (JKUAT-COPAS, 2023-08-08)

The annual milk consumption rate in Kenya is estimated at 50-150 liters per capita. Approximately 70% of milk marketed in Kenya is sold through a largely unregulated informal market. There are concerns about the quality ...
A Trust Model for Context-Aware E-Health Services

Chiteri, Brenda Martha Ayuku (JKUAT-COPAS, 2023-07-28)

With the rapid advancement of technology, context-aware services, ubiquitous technology, and pervasiveness, systems have revolutionized the healthcare sector, offering substantial benefits. Context-aware e-health services ...

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