Articles
Page 5 of 1271, showing 50 records out of 63538 total, starting on record 201, ending on 250
March 2024
International Journal of Computer Engineering Research
A practical guideline for implementing an extra security layer on an intra-cloud private MongoDB Database using encryption
Cloud computing offers different deployment and distribution models for the outsourcing of the company’s Information Technology (IT) infrastructure (applications and data). The wide adoption of this concept does not exclude permanent and unforeseen dangers. The company loses its guarantee of the confidentiality of its most sensitive information, and many legal and security questions remain unanswered. A large...
March 2024
International Journal of Computer Engineering Research
Lessons learned and perspectives on constrained data collection and preparation for a predictive machine learning model applied to transportation industry in a non-digitalised environment
Machine learning algorithms are based on qualitative and quantitative historical data, to create predictive models for shape recognition, autonomous systems, etc., using classifiers like K-Nearest Neighbors (KNN), neural-network, etc. So, treatment of data is the undisputed fuel that powers any machine learning endeavour. A standard data collection methodology would comprise a few steps as data collection, cleaning,...
March 2024
African Journal of Business Management
The failure of farmers' organizations to repay microcredits granted by MFIs: Determining factors in the Cameroonian context
The aim of this article is to analyze and identify the factors that explain the failure of farmers' organizations (FOs) to repay microcredits received from microfinance institutions (MFIs) to finance their projects. Default of a FO is observed when the monthly installment of a loan is partially reimbursed, reimbursed late, or not at all. Through the prism of agency theory, informational asymmetry, and contingency...
March 2024
African Journal of Business Management
Financial literacy and regulated financial services uptake in Uganda: The mediating role of digital platform usage
The study investigates the influence of financial literacy on the uptake of Regulated Financial Services (RFS) among members of Village Saving and Lending Associations (VSLAs) in Uganda, which is currently lower than the global and national goal of universal access. A cross-sectional survey design employing both quantitative and qualitative approaches was utilized. The qualitative aspect validates responses obtained...
March 2024
Journal of Soil Science and Environmental Management
Soil fertility enhancement through conservation agriculture with trees (CAWT) in the arid and semi-arid lands of Eastern Kenya
Arid and semi-arid lands (ASALs) are prone to relatively high vegetation and general environmental degradation including soils. Conservation agriculture with trees presents an opportunity to reduce such degradation and enhance soil characteristics-therefore redressing dryland challenges of low productivity- despite its low adoption. The study assessed the soil physical and chemical properties differences for...
March 2024
Journal of Dryland Agriculture
Effect of extension services delivery on improved potato production in Northern zone of Plateau State, Nigeria
The study examined the effects of extension service delivery on improved potato production in Northern Zone of Plateau State, Nigeria. Four thousand five hundred registered farmers were purposively selected from three local government areas (Barkin Ladi, Jos South, and Riyom) as sample frame. The procedure of sample based on proportion was adopted, and 4% of the total registered farmers were taken as sample size from...
March 2024
African Journal of Biotechnology
Detection of virulence genes and antibiogram of Shiga toxin-producing Escherichia coli O157:H7 from slaughtered cattle and abattoir effluent in Zaria, Nigeria
Shiga toxin-producing Escherichia coli (STEC) O157:H7 is a formidable human pathogen causing food-borne diseases worldwide. The present study investigates virulence genes and determines the antimicrobial characteristics of STEC O157:H7 isolates from faecal and effluent samples at Zaria abattoir in Zaria. PCR assays were used to detect the virulence genes of STEC O157:H7 isolates. The isolates that produced stx genes...
March 2024
African Journal of Biotechnology
Systematic studies on tetra SL hybrid hen technology and rearing for chicken welfare
In Serbia, there are 4 to 6 genotypes of hens used for producing eggs for consumption, including hybrid Tetra SL. The proper rearing of commercial flocks is critical for timely laying, intensity of laying capacity, number of laid eggs, and period of hen usage. The aim of this paper is to analyze the results of rearing the offspring of hybrid Tetra SL, from one-day-old chickens to eighteen-week-olds, with a review of the...
March 2024
African Journal of Biotechnology
Effects of seed coat pigmentation on germination characteristics and antioxidant properties of Argyrolobium uniflorum ((Decne.) Jaub. & Spach) in southern Tunisia
Seeds of Argyrolobium uniflorum (Fabaceae), a spontaneous plant in arid and semi-arid regions of Tunisia, showed a color variability in their seed coats (green, orange, yellow and brown). The influence of the color of seed coat on germination and phytochemical seed composition was evaluated. Germination tests were carried out and the results obtained show that the applied chemical treatment (sulfuric acid) improved...
March 2024
African Journal of Biotechnology
Screening of tuberculosis in highly exposed children in the population of Cameroon central region
Although the treatment for tuberculosis (TB) is available nowadays, it remains a real concern, especially since cases in children are often detected late and underreported. Studies have shown that elevated serum levels of C-reactive protein (CRP) are associated with TB in adults. This study aims to assess the CRP levels among the pediatric cases at Jamot Hospital (Yaoundé) and Meguemessi community in Cameroon....
March 2024
African Journal of Biotechnology
Genetic diversity of Fusarium isolates infecting potato (Solanum tuberosum) and tobacco (Nicotiana tabacum) crops in Zimbabwe
Potato (Solanum tuberosum) and tobacco (Nicotiana tabacum) are important crops that contribute significantly to Zimbabwe’s economic development. However, they are attacked by Fusarium species leading to reduced yields, quality and profitability for farmers. A study was conducted to investigate the diversity of Fusarium spp. causing wilt and rots in both crops in Zimbabwe. Plants displaying symptoms of wilting,...
March 2024
Journal of Computational Biology and Bioinformatics Research
Computational prediction of small molecules targeting Lassa fever drug target using quantitative structure activity relationship (QSAR) and random forest algorithm
Lassa fever, an endemic viral hemorrhagic fever in West Africa, is attributed to the Lassa virus as its causative agent, and this disease has led to the untimely death of many people in the affected areas. At present, the available treatment options for Lassa fever are limited and there is need for new drugs. This study aims to use computational tools to predict the efficacy of small molecules that can target the Lassa...
March 2024
International Journal of Sociology and Anthropology
Rehabilitating street children: The great paradox
Street children are habitually depicted in a purely negative manner, often described as indigent, penurious, and impecunious individuals who roam the streets in search of a livelihood. Their world is demoralizing, disheartening, disenchanting and their future appears formidable and arduous as they are frequently rejected, scorned and despised by society. However, it's important to recognize that they are normal...
March 2024
International Journal of Psychology and Counselling
Surviving child labour through forgiveness and self-efficacy: Implications for counselling practice
Self-efficacy and forgiveness are personal resources that individuals utilize to navigate challenging tasks, find meaning in life, and achieve inner peace. This study aimed to deepen our understanding of how self-efficacy and forgiveness serve as coping strategies for survivors of traumatic experiences of child labor. We conducted a qualitative phenomenological study to explore the various dimensions of forgiveness and...
March 2024
Journal of Pharmacognosy and Phytotherapy
Effect of seasonal variations on the secondary metabolites and antioxidant activities of Bridelia ferruginea, Lippia multiflora, and Azadirachta indica leaves
The aim of the study was to investigate the effect of the annual seasonal variations in Ghana on the phytochemical composition and antioxidant properties of the leaves of Bridelia ferruginea (BF), Lippia multiflora (LM), and Azadirachta indica (AI). The medicinal plants were collected at the end of each quarter from September 2021 to June 2022, representing four seasons. The phytochemical constituents of the samples...
March 2024
Journal of Pharmacognosy and Phytotherapy
Topical wound healing activity of an ointment based hydroethanolic leaf extract of Anogeissus leiocarpus
Anogeissus leiocarpus is a plant used in the local West African pharmacopeia. This study aimed to evaluate the healing properties of the hydro-ethanol extract of its leaves in Wistar rats. A 1.5 cm diameter excision wound model was used. Wistar rats were treated post-excision by the topical application of petroleum jelly alone, also known as 'Vaseline', petroleum jelly supplemented with 3% (ALHE-3%) and 10%...
March 2024
Journal of Development and Agricultural Economics
Determinants of utilization of banana value addition among small-scale agripreneurs in Kenya: A case of Kisii County
There is an increased demand for banana fruit and its processed products among both rural and urban populations. Value addition has the potential to reduce postharvest losses, increase crop productivity, and enhance crop income. Despite the promotion of banana value addition by government and non-governmental organizations, its utilization remains low in Kisii county, Kenya. There is a lack of information on the...
March 2024
Journal of Media and Communication Studies
Pharmaceutical companies’ Twitter communications: Engagement and message frames
This study conducted a content analysis of tweets from the top five pharmaceutical companies to examine the levels of engagement between these companies and their audiences. The research also investigated the relationships between different types of tweets, including topics and message frames, and user interactions. The results revealed that pharmaceutical companies were more inclined to engage with tweets related to...
March 2024
Journal of Media and Communication Studies
Product placement in Namaste Wahala in the global film industry and brand recall in Nigeria
Many firms utilize Nollywood in Nigeria as a marketing platform for product placement. Within this context, this study investigates product placement in the movie "Namaste Wahala" in the global film industry and its effect on brand recall among Nigerian undergraduate students from Caleb University and the Lagos State University of Science and Technology (LASUSTECH). The aim is to determine if they can remember...
March 2024
African Journal of Agricultural Research
Antifungal effect of wood vinegar from selected feedstocks on Ascochyta rabiei in vitro
A study to evaluate the antifungal activity of wood vinegar (pyrogenous acid) from maize cobs, acacia twigs, bean straw and an invasive tree species Prosopis juliflora against Ascochyta rabiei was conducted in vitro and at Egerton University Njoro, Kenya. The physicochemical characteristics of the different wood vinegar were also determined. Antifungal effects of wood vinegar were evaluated at different concentrations...
March 2024
African Journal of Agricultural Research
Ancient and novel Ethiopian durum wheat cultivars: What is the future for their cultivation?
Durum wheat ancient cultivars have been grown in Ethiopia for centuries. Until the 1960s, durum wheat covered all wheat areas in the country; nearly all surfaces were represented by landraces. Now, the area dedicated to durum wheat has declined to approximately 15% of the wheat surface. Still, Ethiopia remains an immense genetic diversity resource for durum wheat. In 2019-21, a group of researchers conducted a field...
March 2024
African Journal of Agricultural Research
Management of pigeon pea pod borer (Helicoverpa armigera) using biopesticides and yield performance in arid and semi-arid areas of Kenya
Pod borer (Helicoverpa armigera) is one of the major causes of low productivity in pigeon pea (Cajanus cajan) in Kenya. This study determined the effect of Nimbedicine, Pyagro and Bacillus thuringiensis on pod borer and grain yield performance of two pigeon pea varieties. The experiments were set up in Kapkayo and Koibatek during April-September, 2020 and May-October, 2021 cropping seasons. The experiment was laid in...
March 2024
African Journal of Agricultural Research
Leaf and fruit description of 18 varieties of mango tree (Mangifera indica L.) in Burkina Faso
Fruit cultivation, particularly mango production, is flourishing in Burkina Faso. Despite the abundance of mango varieties, the methods for identifying them based on morphological traits remain unknown. This study aims to identify the distinctive characteristics of 18 mango tree varieties at INERA/Farako-Bâ, where experimentation is ongoing. To achieve this, 18 qualitative and four quantitative parameters were...
March 2024
African Journal of Agricultural Research
Preliminary study of growth pattern and condition factor of bobo croaker (Pseudotolithus elongatus) in obolo area Nigeria
The preliminary study of the growth pattern and condition factor of Bobo Croaker (Pseudotolithus elongatus) in the Obolo Area, Nigeria, was conducted over a six-month period. Samples were collected from the catches of artisanal and local fishers, and the length and weight of the samples were measured in situ using appropriate tools. The parameters "a" and "b" of the Length-Weight relationship were...
March 2024
African Journal of Agricultural Research
Smallholder palm oil production sector in African countries: State of the art, practices, constraints, and opportunities in Littoral and Centre regions of Cameroon
During palm oil extraction by smallholders in Cameroon, palm oil mill effluent (POME) is generated. A detailed description of the processes involved, aids in reducing loss and minimising the environmental effect of the wastes produced. We characterized herein, the production chain of smallholders’ palm oil production in Cameroon. Mixed methods research approach was used, and semi-structured questionnaires...
March 2024
African Journal of Agricultural Research
Assessment of the concentration of heavy metals in two vegetables in selected urban metropolises (Ilorin and Osogbo), Nigeria
This study analyzed heavy metal contamination in commonly consumed leafy vegetables grown on peri-urban farms in Osogbo and Ilorin, Nigeria. Across five neighborhoods in each city, fresh vegetable samples were collected and assessed for lead (Pb), copper (Cu), zinc (Zn), iron (Fe), and manganese (Mn) using atomic absorption spectrophotometry. Alarming Pb levels were discovered, with mean concentrations ranging from 0.01...
March 2024
African Journal of Agricultural Research
Use of cultured indigenous micro-organism (IMO) decomposed liquid chicken manure on the growth and yield of onions (Allium cepa)
This study was conducted to determine the effect of indigenous micro-organism (IMO) decomposed liquid chicken manure on the growth and yield of onions set up at Africa University, Mutare, Zimbabwe. There were five treatments arranged in a Randomized Complete Block Design with three replicates. Treatments were: 1 (Onions grown with IMO decomposed liquid chicken manure only), 2 (IMO decomposed liquid chicken manure only),...
March 2024
African Journal of Agricultural Research
Growth performance and carcass characteristics of Kuroiler chicks fed on Silkworm pupae (Bombyx mori) diet
Utilization of silkworm pupae meal for feed will partially meet the protein feed deficiency, and fish meal competing uses. Silkworm pupa was used as a fishmeal substitute at different levels in poultry feeds to determine the growth performance and carcass characteristics after feeding day old Kuroiler chicks for 8 weeks. Fishmeal was substituted with Silkworm pupae at percentages of 25 (T3), 50 (T2) and 100 (T1) with a...
March 2024
African Journal of Environmental Science and Technology
Climate change and community conflicts in Sub-Saharan Africa: A review of the evidence
This paper delves into the link between climate and conflict in Africa, drawing insights from climate science, political ecology, and peace studies, and it emphasizes the need for integrated climate adaptation and peacebuilding policies, rooted in inclusive governance, social justice, and community-based approaches aligned with the Sustainable Development Goals. Quantitative data analysis supports associations between...
March 2024
African Journal of Environmental Science and Technology
Behavioural communication change for empowering small-scale farmers in addressing climate change: Perceptions, mitigation and adaptation strategies
Climate change poses a serious threat to Kenya's food security, necessitating immediate and steadfast attention to the development and implementation of comprehensive climate risk management and adaptation strategies at both the national and sub-national levels. This study is a crucial undertaking that utilizes the direct knowledge and experiences of farmers in Kisumu, Kenya, to tackle important problems necessary...
March 2024
African Journal of Environmental Science and Technology
Heavy metal resistant Aspergillus species from soil and water environments impacted by solid wastes dumping exhibit mycoremediative traits
This study assessed the growth and metal tolerance of fungal species from water and soil samples impacted by solid wastes in Ibadan, Nigeria. Isolated fungi species were exposed to two metals each (pb 100 to 600 and Co 50 to 300 mgl-1; Fe100 to 600 and Sn 25 to 300 mgl-1; and Mn 100 to 600 and Ag 25 to 100 mgl-1). These were filter-sterilized and incorporated into malt extract agar and mycelial radial growths were...
March 2024
Journal of Petroleum and Gas Engineering
Investigation of the viscous fluid effect on torque and drag modeling in highly deviated wells
In this work, the effects of the viscous flow of fluids on torque and drag simulation results were investigated for down-hole strings. Torque and drag simulations were performed with and without the inclusion of viscous fluid effects, the influence viscous fluid effects inclusion had on torque and drag simulation results were determined and the consequence this margin of influence would pose to drilling operation. Well...
March 2024
Journal of Medicinal Plants Research
Productivity and picroside contents of Picrorhiza kurroa Royle ex Benth. cultivated at multi-locations in Uttarakhand, India
Cultivation is cost effective for conservation and sustainable supply of rare and high value medicinal plants. Assessment of productivity and quality testing validates cultivation and improves trade prospective. Picrorhiza kurroa is a recently domesticated Himalayan medicinal herb. Despite, specific habitat preference above 3000 m in natural habitats, P. kurroa is cultivated successfully below 3000 m under diverse...
March 2024
Journal of Medicinal Plants Research
Phytochemical screening and biological activities of Copaifera langsdorffii Desf. (Fabaceae) organic extracts
This study explores the therapeutic potential of Copaifera langsdorffii Desf. (Fabaceae), commonly known as Copaíba, a legume renowned for its oleoresin extraction. The organic extracts from Copaíba's leaves, stem bark, and wood, using n-hexane, ethyl acetate and methanol were investigated for their antimicrobial, antioxidant and anti-inflammatory activities. In vitro assessments included determining...
March 2024
Journal of Geography and Regional Planning
Land use-land cover changes and river basin degradation: A case study of the Densu River in Ghana
Land use-land cover (LULC) changes over time trigger local climatic and geological changes. Recent earth tremors around the Densu River Basin (DRB) in Weija near Accra Ghana, provided the motivation for this study. Using Landsat 8 and Landsat 9 OLI/TIRS imageries, this paper maps the various LULC change trends in the basin over 20 years (2003-2023) and discusses the impact on the Densu River basin. Land cover changes...
March 2024
International Journal of Nursing and Midwifery
Perception and Utilization of Standardized Nursing Languages among Nurses in south-south Nigeria
Standardized nursing languages (SNLs) are crucial for nursing documentation, yet their usage varies and depends on several factors. This study aims to investigate the perception and other influences on SNL use among Nigerian nurses. A cross-sectional survey employing a questionnaire was utilized to survey 310 nurses from two Nigerian hospitals: The University of Calabar Teaching Hospital (UCTH) and General Hospital...
March 2024
African Journal of Pharmacy and Pharmacology
Approval of conventional medicines in Cameroon in 2023: Why do some fail?
This study focuses on the work of the specialized commission responsible for assessing the conformity of registration files for drugs seeking marketing authorization (MA) in Cameroon during 2023, particularly examining why certain applicants submit noncompliant files for approval. First, the files submitted to the specialized commission in 2023 were listed. The data on the reasons for noncompliance were then compiled,...
March 2024
Journal of Horticulture and Forestry
Availability of forest tree species in nurseries for domestic use and for reforestation in different climatic zones in Burkina Faso (West Africa)
Nurseries are used to supply plants for domestic purpose and for reforestation. However, few studies have focused on forest tree species cultivated by horticulturists for domestic use and for reforestation in African countries such as Burkina Faso. With the aim of contributing to better knowledge and participating in better use of forest tree species in nurseries, 37 nurseries were identified and studied in two cities,...
March 2024
Journal of Horticulture and Forestry
Effect of harvesting frequency on leaf biomass production of three Moringa stenopetala (Bak.f) provenances grown in Dello-menna district of Bale zone, Southeast Ethiopia
Many parts of Moringa stenopetala are edible, providing a highly nutritious food for both humans and animals. Above all, the leaves of Moringa have exceptional nutritional value containing a variety of vitamins and minerals. Harvesting frequency had effect on leave biomass production of M. stenopetala provenances. This study was conducted to examine the effect of harvest frequency on M. stenopetala provenances grown at...
March 2024
African Journal of Biochemistry Research
Effect of shaking in the production of highly soluble powder from tomatoes using microbial enzyme preparation
In this study, functional food ingredients have been developed from tomatoes. Specifically, this paper investigates the possibility of producing tomato powder with high solubility by decomposing (saccharification) the cellulose contained in tomatoes using three different microbial enzyme preparations. Additionally, the paper examines the differences in the concentration of sugar produced with and without shaking during...
March 2024
International Journal of Physical Sciences
Evaluation of particle size, flowability and thermal properties of formulated composite wheat-sologold sweet potato flour for baked products
This paper attempts to formulate a composite wheat-sologold sweet potato flour that would have good texture, water absorption, dough rheology and heat transfer required for quality baked products. In this study, a completely randomized design was used to determine the best blend of composite flour, followed by the evaluation of its particle size, flowability and thermal properties. The results showed that a lower mean...
March 2024
International Journal of Physical Sciences
Extraction of ionospheric vertical total electron content (VTEC) using global navigation satellite system-continuously operating reference station (GNSS-CORS) data from station BF01 in Ouagadougou
Numerous raw data concerning the ionosphere exist almost everywhere in Africa. However, these data are underexploited due to the lack of simple methods to extract ionospheric parameters from the data. This paper presents a method for extracting vertical total electron content (VTEC) using Global Navigation Satellite System-Continuously Operating Reference Station (GNSS-CORS) raw data recorded between 01/01/2013 and...
March 2024
International Journal of Physical Sciences
Study of the high pressure and temperature response of silicon, germanium and gallium arsenide electronic energy bands
In this study we investigate the different temperature electronic energy band structure responses of silicon, germanium and gallium arsenide at various applied hydrostatic pressures within a range that does not exceed their structural phase transition pressure. The pressure coefficients for each material have been determined. An atomistic insight was presented into the question of how much of the electronic band...
March 2024
International Journal of Physical Sciences
Modelling and optimization of rice production in Nigeria: bibliometric analysis and future research.
Rice production plays a vital role in enhancing employment opportunities, GDP, and food security, thereby contributing to the prosperity of the country. This study aimed to evaluate the current state of research in the field and identify potential areas for future modeling and optimization of rice production. Data were sourced from the reputable academic citation database and research tool, Web of Science, spanning the...
March 2024
International Journal of Physical Sciences
Application of geological and geo-electric methods in the assessment of corrosivity, competence, and vulnerability of soils around Southeastern Nigeria
The study investigates the electro-geophsysical method's application to assess corrosivity, competence, and aquifer vulnerability in Njaba and its environs, in southeastern Nigeria, aiming to determine soil suitability for engineering constructions and estimate aquifer vulnerability. Urbanization in the area has led to increased man-made structures and surface pollution exposure. Twenty-three geo-electric...
March 2024
African Journal of History and Culture
Self-writing in postcolonial criticism: A survey of some fundamental problems (II)
This paper surveys a few fundamental problems that relate to postcolonial self-writing in the context of global capitalism. It advances the claim that self-writing in Anglophone Postcolonial Criticism discloses an obsessive, reductionist tenet when addressing the gaps in imperial ideology, especially with the existence of an engrafted, ubiquitous protectionism from the part of the postcolonial intellectual. This...
March 2024
Journal of Veterinary Medicine and Animal Health
Evaluation of the coccidiocidal effects of Vernonia amygdalina and Aloe vera aqueous extracts on poultry in Bambili, North West, Cameroon
Coccidiosis is a disease transmitted through ingestion of contaminated food or water with sporulated Eimeria oocysts. Bloody diarrhoea is the primary symptom. Farm poultry production systems are recently challenged with the concept of "clean, green, ethical" which promotes limited use of drugs, chemicals and hormones for poultry welfare. Substituting synthetic drugs with plant-based supplements such as...
March 2024
Journal of Accounting and Taxation
Managing, measuring, and reporting geopolitical risk exposure: New challenges and current evidence
Geopolitical risks pose a significant threat to many companies' performance, necessitating the acquisition and evaluation of reliable information to manage these risks effectively. Furthermore, increased legal requirements in recent years demand more comprehensive reports on firm-specific risks. Therefore, detailed knowledge of the regulatory framework, accounting implications, and measurement is essential for...
March 2024
Journal of Accounting and Taxation
Do firm-specific factors moderate the impact of COVID-19 on firm performance? An empirical study from listed companies in North America
In the face of unprecedented economic challenges posed by the COVID-19 pandemic, this pioneering study examines how firm-specific factors shape the pandemic's impact on firm financial performance. By analyzing data from 12,826 firm-year observations across 14 sectors in North America from 2019 to 2023, the study investigates the moderating role of company size, leverage, earnings management, CEO compensation, and...
March 2024
International Journal of Biodiversity and Conservation
Woody species composition and diversity in homegardens in Bekoji town, Southeast Ethiopia
This study assessed the role of urban homegardens in woody species conservation in Bekoji town, southeast Ethiopia. Ninety-six homegardens were identified using multistage sampling technique. Woody species inventory was made in 3103 m × 10 m quadrants. Shannon and Weaver diversity index (H`), reciprocal of Simpson diversity index (1-D), evenness index (J`) and Margalef richness index (Dmg) were computed to...
Page 5 of 1271, showing 50 records out of 63538 total, starting on record 201, ending on 250
