Articles
Page 1 of 1275, showing 50 records out of 63725 total, starting on record 1, ending on 50
Journal of Petroleum and Gas Engineering
Optimizing oil field productivity using integrated system modelling: A comprehensive approach for identifying and maximizing oil production in a Niger Delta field
July-December, 2024
This paper examines the development and application of an Integrated Production System Modelling (IPSM) approach to identify bottlenecks and optimize production in an oil-producing asset in the Niger Delta. IPSM integrates reservoir, well, and surface network models using software tools like MBAL, PROSPER, and GAP. Optimization results demonstrate a 50% reduction in separator and surge vessel pressures of 40, 116, and...
Journal of Medicinal Plants Research
Development of in vitro protocol for large-scale clonal propagation of Capparis erythrocarpos for the herbal medicine industry and conservation
November, 2024
The increased use of Capparis erythrocarpos for treating rheumatoid arthritis and as an appetite stimulant has necessitated the establishment of efficient in vitro propagation protocols for large-scale production of seedlings to ensure its sustainable use in the herbal medicine industry and conservation of the species. In this study, mechanical scarification and priming of seeds with sulfuric and GA3 induced only...
African Journal of Microbiology Research
Detection of carbapenemase-producing strains of Gram-negative bacilli in University Hospital of Angre in 2021
November 2024
The spread of carbapenemase-producing Gram-negative bacilli (GNB) poses a significant threat to public health. In Africa, data on carbapenem-resistant bacteria are poorly defined. This study aimed to determine the prevalence of carbapenemase genes among GNB isolated from patient samples at Angre University Hospital. A cross-sectional study was conducted in 2021 at the medical biology department, where...
African Journal of Microbiology Research
Practice of prophylactic antibiotic use in elective orthopedic procedures at a national teaching and referral hospital in Kenya
November 2024
According to the Centers for Disease Control and Prevention (CDC) recommendations, antibiotic prophylaxis should only be used when necessary. The judicious use of prophylactic antibiotics, following evidence-based guidelines, leads to optimal outcomes, including reduced infection rates and the prevention of antimicrobial resistance. This study examines the practice of prophylactic antibiotic use in elective orthopedic...
Journal of Cereals and Oilseeds
Participatory variety selection of rust-resistant improved bread wheat varieties in East Gojjam Zone, Northwest Ethiopia
July-December 2024
Wheat is one of the major cereal crops produced at different agroecologies of the East Gojjam Zone of the Amhara region. However, access to improved bread wheat varieties is minimal. Due to this and other factors, the area's potential for wheat crops is not exploited. So, developing and promoting technologies that suit the area is necessary. Thereby, this experiment was conducted at Aneded, Basoliben, and Debre...
African Journal of Environmental Science and Technology
Utilising the hierarchical hazard control model to reveal respiratory challenges faced by quarry and allied workers in Erongo, Otjozondjupa and Kunene regions, Namibia: A cross-sectional, quantitative study
November 2024
The study examines respiratory protection practices among quarry and allied workers in Namibia, amidst rising concerns over occupational respiratory disorders due to prolonged exposure to respirable dust. Utilising a quantitative cross-sectional design, data were collected from 304 workers across Erongo, Otjozondjupa, and Kunene regions. Findings showed a statistically significant association between employee...
African Annals of Thoracic and Cardiovascular Surgery
Late diagnosed acquire tracheoesophageal fistula in adult treated by surgery: Case report
November 2024
Tracheoesophageal fistula is an abnormal communication between the trachea and the esophagus. It can be congenital or acquired, with acquired causes being more common in adults. Among these, malignant fistulas are more prevalent than benign ones. Tracheoesophageal fistulas often arise as complications of tracheotomy or prolonged endotracheal intubation, particularly in patients with a nasogastric feeding tube. They can...
African Annals of Thoracic and Cardiovascular Surgery
Medical and surgical management of tracheal pathologies in Senegal
November 2024
The objectives of this study were to report cases of tracheal pathologies at the Centre Hospitalier National Universitaire de Fann (CHNU) in Dakar, specify the therapeutic aspects, and compare the observations with data from the literature. This was a single-center, descriptive study focusing on 12 patients over the period from January 2015 to March 2024. The descriptive study was conducted by calculating frequencies...
International Journal of Biodiversity and Conservation
An ecophysiological study of the fern Onoclea sensibilis growing in three environmental locations varying in incident light intensity
October-December 2024
Onoclea sensibilis L. plants growing in three locations with varying light intensities (dense shade, partial shade, and open sun) at a temperate site in Palisades, New York, were studied to assess net photosynthesis rate, dark respiration rate, leaf micromorphology, and leaf fluorescence in relation to these light conditions. The mean maximum net photosynthesis rate (3.6 µmoles CO? m?² s?¹) was highest...
International Journal of Biodiversity and Conservation
Density, abundance and spatial distribution niche overlap of large and medium-sized mammal populations in the Lomako-Yokokala Faunal Reserve, Congo
October-December 2024
Understanding the dynamics of large and medium-sized mammal populations is crucial for effective conservation and management strategies. This study conducted a wildlife inventory in the Lomako-Yokokala Faunal Reserve (RFLY), focusing on signs of activity from 34 species of large and medium-sized mammals. The findings revealed that a total of 3,261 signs were recorded within transects, with an additional 6,915 signs...
International Journal of Biodiversity and Conservation
Rethinking conservation: Social injustices and the case for convivial conservation in Ghana’s Kyabobo National Park
October-December 2024
Conserving biodiversity for the benefit of present and future generations has driven global efforts toward the establishment of protected areas. However, balancing conservation goals with the need to sustain the livelihoods of local communities remains a significant challenge for protected area managers. The management of the Kyabobo National Park in Ghana, which employs restrictive conservation approaches, has been...
African Journal of Plant Science
Foliar fungal diseases of banana in the central region of Burkina Faso: Characterisation of pathogens
November 2024
Banana plantations in Burkina Faso are confronted with climatic hazards and parasitic attacks resulting in a considerable yield drop. Unfortunately, few studies have been devoted to banana leaf diseases. This study was initiated to characterize the major foliar fungal pathogens that hinder the development of this crop in the Centre region. Four communes were involved which are Koubri, Loumbila, Pabré, and...
African Journal of Plant Science
Combining ability and effect of water stress on morphological and physiological traits of Lablab purpureus L. sweet
November 2024
Drought limits crop production worldwide, reducing yields by up to 70%. Lablab bean, suited for arid and semi-arid regions, shows notable drought tolerance, yet Kenya lacks improved drought-tolerant lablab varieties. This study aimed to (i) identify drought-tolerant lablab genotypes based on morphological and physiological traits and (ii) assess the combining ability of seven parental genotypes and 21 crosses to find...
Journal of Environmental Chemistry and Ecotoxicology
Removal of refractory organic and inorganic load from gray ship wastewater by the electro-oxidation process
July-December, 2024
In this work, electro-oxidation which is one of the innovative and efficient processes was used to treat gray and fatty wastewater (oil residues) from ships. These wastewaters contain heavy metals and persistent organic pollutants that damage the marine environment, contaminate the food chain, and harm marine life. This project aimed to apply the electro-oxidation process for the treatment of gray wastewater from ships...
Educational Research and Reviews
Studies on digital diet and digital detox: A meta-analysis
November 2024
Digital diet and detox can be defined as strategies to balance technology use and mitigate the adverse effects of digital dependency. These concepts are designed to reduce negative impacts such as stress, insomnia, and social isolation, which can result from excessive reliance on technology and prolonged screen exposure. In recent years, digital addiction has been increasingly recognized as a growing concern,...
African Journal of Health Sciences and Technology
Effective competency-based assessment model for senior schools in Kenya
November 2024
The education systems globally are rapidly evolving due to their dynamic nature. This swift transformation necessitates a corresponding pace in assessment models, which should be realistic and effective for the targeted learners. Even before the COVID-19 pandemic, there were concerns about the reliability and validity of the assessment tools used in Kenyan post-primary schools. With the introduction of the...
African Journal of Food Science
Physicochemical analysis of extracted oil from five improved groundnut varieties
November 2024
Groundnut, the main cash crop of The Gambia, has seen a considerable decline in local production, while the national demand for good and affordable vegetable oil continues to increase. This investigation dissects the proximate and physicochemical properties of five recently screened groundnut varieties and their oil extracts. The results of the analysis showed that variety ICGV97188 had the highest 1000 grain/kernel...
African Journal of Pharmacy and Pharmacology
Impact of aqueous extract of unripe musa paradisiaca pulp on the electrocardiogram of isoprenaline induced myocardial infarcted wistar rats
November 2024
In many cultures around the world, pulp of unripe plantains, or Musa paradisiaca, is used in folk medicine to cure liver, kidney, and cardiovascular diseases as well as obesity, anemia, and diabetes. In order to determine the electrocardiographic characteristics of Musa paradisiaca's aqueous extract in isoprenaline-induced myocardial infarction in Wistar rats, this study was conducted. About 300 g of the powdered...
African Journal of Pharmacy and Pharmacology
Development of a digital application for the rational use of medicine in Burkina Faso
November 2024
Developing countries lack enough human and financial resources, making it difficult for them to respond adequately to the population's essential health needs. Using digital applications to promote the rational use of medicines presents a solution to increase the health system's efficiency and encourage saving limited medicinal resources. This project aimed to develop a drug database completed with equivalence...
African Journal of Pharmacy and Pharmacology
Guidelines for rational use of drug based data extracted from the APURMED application in Burkina Faso
November 2024
The major constraint of insufficient resources limits the availability and accessibility of medicine. Fortunately, proper use of available medicinal resources could contribute to greater efficiency within the health system. This study, using data extracted from the APURMED application, aims to guide the rational use of drugs in practice within Burkina Faso. Treatments for infectious and non-communicable diseases...
African Journal of Biotechnology
Molecular detection of Schistosoma haematobium infection among school children in Sabon-Gari Local Government Area, Kaduna State, Nigeria
November 2024
Urogenital schistosomiasis is the most prevalent type of schistosomiasis, leading to terminal haematuria and bladder wall pathology. The disease is often characterized by blood in urine, affecting 110 million individuals globally. This study was conducted to determine the prevalence and associated risk factors of Schistosoma haematobium infection, the major pathogen of the disease, among school-age children in Sabon...
Journal of Bioinformatics and Sequence Analysis
Computational pipeline for long non-coding RNA sequence data to identify differential expressed genes
July-December 2024
Long non-coding ribonucleic acids (lncRNAs) are sequences that do not encode proteins and have been identified as essential regulators of ischemic stroke. Stroke is a leading cause of serious long-term disability, and several lncRNAs have recently been discovered to influence ischemic stroke processes, particularly the immune response following a stroke. This study focuses on the expression profiles of long non-coding...
International Journal of Physical Sciences
Evaluation and structural interpretation of aeromagnetic anomalies over parts of Gubio and environs of Chad (Bornu) Basin, northeastern Nigeria, using 3-D Euler Deconvolution and Source Parameter Imaging techniques
October-December, 2024
The high resolution magnetic field data of Monguno and environs (data maps 066, 067, 089 and 090) of the Nigerian Chad (Bornu) Basin were structurally interpreted to investigate the hydrocarbon and solid mineral implications of the basin by determining the magnetic basement depth and delineating the basement morphology, the relief and other structural features associated with the area and their trends employing Oasis...
African Journal of Agricultural Research
Comparative studies of carbon stocks in cashew (Anacardium occidentale L.) plantations and primary forest in southeast Ghana
November 2024
Trees are essential for carbon sequestration, a critical process for mitigating global climate change. Assessing the carbon stock potential of primary forests and cashew plantations is crucial, especially given the considerable degradation of forest resources in southern Ghana. A series of parallel permanent transects each up to 1 km in length and spaced 200 m apart, were established across different land use types,...
African Journal of Agricultural Research
Impact of organo-mineral fertilization, sowing dates and climate variability on yields and water productivity of three improved sorghum cultivars in the Sudanian agroecological zone of Mali
November 2024
Sorghum production in Mali faces challenges, including low soil fertility and climate variability. To assess the effects of management practices (fertilizer types, sowing dates) on biomass and grain yields, as well as water use efficiency (WUE) of grain yield, experiments were conducted at the ICRISAT Samanko and IER N’Tarla research stations. A split-split plot design was used as the experimental design during...
African Journal of Agricultural Research
Agronomic and economic evaluations of nutrient source, defoliation intensity and defoliation frequency on the Broccoli head size under rainfed conditions in Rwanda
November 2024
The experiment compared the use of synthetic fertilizers [Diammonium Phosphate (DAP) and urea] with organic fertilizer (goat manure) and defoliation treatments on growth and development of broccoli. The trial was conducted under rainfed conditions in Rwanda using a 2 x 3 x 3 factorial design with three replications. The results showed that synthetic fertilizers (DAP and urea) led to significant increases in various...
African Journal of Agricultural Research
Selection of cowpea (vigna unguiculata l. Walp) tolerant genotypes to hydric stress by drought indices of tolerance in Burkina Faso
November 2024
Over the last decade, there has been a gradual growth in cowpea production in Burkina Faso due to its significant income generation for farmers, processors, and traders. However, despite the increasing interest in cultivating this crop, yields are still low due to various constraints, including drought. During drought periods cowpea productivity and growth are significantly reduced. This study was conducted to evaluate...
African Journal of Agricultural Research
Characterization of soil fertility management practices under greater nightshade cropping systems in South Benin
November 2024
This study aimed to characterize cropping systems of greater nightshade (Solanum macrocarpon) in the market garden areas located along the coastal zone in the South. Socio-economic profile of producers, soil fertility management practices, constraints and nuisances related to the use of organic fertilizers, as well as the endogenous solutions desired by producers were collected from 120 producers in the communes of...
African Journal of Agricultural Research
Market gardeners' perceptions and practices of pesticide use in eastern Niger: Implications for environmental and health safety
November 2024
Market gardeners heavily rely on pesticides to combat pests and diseases, often neglecting health and environmental safeguards. This study examined farmers' perceptions of current phytosanitary practices and identified potential risks in the eastern oasis of Niger. The methodology included an inventory of pesticides used on crops and socioeconomic surveys of 118 market gardeners across eight oases. Results...
African Journal of Agricultural Research
Evaluation of Nigella seed oil effect against oxidant stress during ageing of camel meat
November 2024
The use of aromatic plants as antioxidants helps minimize oxidative rancidity, thereby extending the shelf life and preserving the nutritional quality of foodstuffs, including meat. The antioxidant effect of Nigella sativa L. (commonly known as black seed) oil (NO) on raw camel meat during cold storage was evaluated in this study. Muscle samples (Longissimus dorsi) were collected from 7 male camels (Camelus...
Journal of Public Health and Epidemiology
Evaluating a novel predictive tool for respiratory infection outbreaks in real life
October-December 2024
Respiratory infections remain a significant public health threat with considerable morbidity and mortality, highlighting the need for effective early warning tools. This study aims to evaluate the Epidemic Volatility Index (EVI) as a real-life early warning tool for respiratory infections. From October 16, 2023, to February 4, 2024, adults with respiratory infection symptoms were studied at the hospital, with nasal...
Journal of Public Health and Epidemiology
Cholera epidemic and first deployment of the « strengthening and utilizing response groups for emergencies» (AVoHC-SURGE) in Madarounfa, Niger
October-December 2024
Cholera is an acute diarrheal infection caused by the ingestion of food or water contaminated with Vibrio cholerae. In early September 2022, Niger experienced an outbreak of this disease, with a total of 39 cases and one death (2.56%) reported in Madarounfa. Building on lessons learned from previous epidemics and leveraging the new Health Emergency Management Project (AVoHC-SURGE) in Niger, the quality of response...
Journal of Public Health and Epidemiology
Investigation of a waterborne gastroenteritis outbreak in Bouaké South Health District, Côte d'Ivoire, March 2024
October-December 2024
The Air France 3 Health Center reported an outbreak of acute gastroenteritis on March 10, 2024. The aim of this study was to describe the phenomenon, identify the causal agent, and determine the source of contamination. A retrospective cohort study was conducted on March 11, 2024. Data were collected from consultation registers at the Air France 3 and Kôkô urban health centers, as well as from interviews...
Journal of Geography and Regional Planning
Urban territorial regionalisation and the emergence of urban villagization localities of Dodoma, the National Capital City of Tanzania
October-December 2024
This study explores the critical issue of urban territorial evolution from town to city status in Dodoma, Tanzania, and its impact on the emergence of unecological urban villagization and land cover changes from 1998 to 2022 in the Dodoma City locality—a topic that remains underexplored in Tanzanian cities. Empirical evidence for this study was gathered by interviewing 384 respondents across 17 wards and 56...
Journal of Geography and Regional Planning
Assessing land use patterns and soil texture, color, and drainage systems in the Khadimnagar area of Khidirpur Mauza
October-December 2024
Understanding land use patterns is crucial for promoting sustainable development, efficient resource management, and regional planning, particularly in areas with unique geographical and climatic features, such as Khadimnagar in the Sylhet district of Bangladesh. Effective land management is essential for sustainability, especially in regions where distinctive topographical and climatic conditions influence land...
International Journal of Medicine and Medical Sciences
Chlorine dioxide treatment for diabetic foot ulcers: Three case studies
July-December 2024
Foot ulcers are a major source of morbidity and mortality for individuals suffering from diabetes mellitus. Currently, available treatments for these wounds are often ineffective, which can lead to the progression of these lesions to a point that requires amputation of the affected limb. Despite amputation, these individuals subsequently suffer from an increased risk of mortality. A novel therapy has been suggested to...
International Journal of Livestock Production
Econometric analysis of determinants of land resource allocation to dairy farming in the highlands of Uganda: A case of Kigezi Highlands
October-December 2024
Dairy farming is important for income, food and nutritional security globally. The enterprise is traditional to cattle corridor in Uganda but of interest in non-traditional areas of the country such as the south western highland agro-ecological zone (SWHAEZ). The study examined dairy production, feeding and management practices and, assessed socio-economic factors that influence land resource allocation to dairy...
African Journal of Political Science and International Relations
Turkey-UAE rivalry in Somalia and its implications on regional dynamics
October-December 2024
This study analyzes the rivalry between Turkey and the United Arab Emirates (UAE) in Somalia, focusing on its implications for regional dynamics through the lens of constructivist theory. Constructivism asserts that international relations are shaped by social structures, identities, and norms rather than mere material power. In this context, the study explores how Turkey’s historical ties from the Ottoman era and...
African Journal of Political Science and International Relations
Major powers and the new scramble for Africa in the 21st century: Interrogating China-Nigeria engagements
October-December 2024
The study examined China’s increased infrastructure development and investment in Nigeria within the broader context of the new scramble for Africa. The 21st century has witnessed a resurgence of interest among major global powers in Africa, reminiscent of the colonial-era scramble for the continent's resources. This contemporary scramble, however, is characterized by economic and strategic engagements rather...
Journal of Accounting and Taxation
Revamping tax administration in North Central Nigeria: A narrative of the application of the business model canvas for strategic reform
October-December 2024
This paper narrates the transformative journey of the Kwara State Internal Revenue Service (KW-IRS) in Nigeria, highlighting its establishment in 2015 through a reform agenda aimed to enhance revenue mobilization. Against the backdrop of Nigeria’s federal structure and the challenges within its tax administration landscape, KW-IRS emerged to streamline revenue collection and administration in Kwara State. Adopting...
Journal of Accounting and Taxation
Corporate income tax disparities: A comparative study of Greece and Cyprus in the petroleum sector
October-December 2024
This study aims to analyze and compare the corporate tax systems of Greece and Cyprus, focusing on data from 2018 to 2022. Research is conducted to examine the factors affecting income taxes in Greek and Cypriot companies during this period. The study evaluates the effective tax rates (ETRs) for corporate income by analyzing the financial statements of companies in each country and comparing these rates with the...
Journal of Stored Products and Postharvest Research
Response of kenaf varieties to different threshing methods and storage environments
July-December 2024
The study was conducted in the Seed Testing laboratory of the Institute of Agricultural Research and Training to determine the response of kenaf to different threshing and packaging materials. Experimental design was a 2 × 3 × 4 × 2 factorial arrangement in CRD with 3 replications. The factors were variety, threshing methods, packaging materials and storage environments. The results showed that kenaf...
Journal of Parasitology and Vector Biology
High overprescription of antimalarial drugs and antibiotics among febrile patients at a sentinel malaria surveillance site in Libreville, Gabon
July-December 2024
In Gabon, the prompt diagnosis of malaria has been recommended for febrile patients since 2006. However, the medical practices of health workers (HW) have not been investigated since these guidelines were implemented. This study was conducted to assess the prescription practices and attitudes of HW at a sentinel site for malaria surveillance in Libreville. A retrospective, cross-sectional, descriptive study was...
Journal of Public Administration and Policy Research
Public administration in Zimbabwe: Challenges and Prospects
July-December 2024
Public sector management has become an important issue in both the developed and the developing countries. The need to improve the efficiency and effectiveness of the public sector organisations has called for a raft of measures within the sector. This however has presented debates in the administration circles as some measures are always being taken in a number of countries but with no meaningful change being...
Journal of Chemical Engineering and Materials Science
Effect of calcination temperature on the photocatalytic activity of Ni-Doped TiO2 nano particles
July-December, 2024
This research work presents the preparation of pure undoped TiO2 and 0.5 wt.% Ni-doped nanoparticles through the sol-gel method using titanium tetra isopropoxide as the titanium source and nickel nitrate hexahydrate as the nickel source. The prepared samples were calcined at 450, 500, 550, 600, 700, and 800°C and analyzed for energy band gap, surface area, particle size, morphology, and purity using UV-Vis DRS, BET,...
African Journal of Business Management
The political economy of Lesotho fiscal policy
October 2024
The paper uses analytic narratives to determine the economic and political factors that have shaped Lesotho’s fiscal policy choice during both the colonial and post-colonial eras. This is essential given that fiscal policy is the linchpin for macroeconomic management in Lesotho, especially in the fixed exchange rate regime context. It is important to trace this evolution as far back as the colonial era since some...
African Journal of Environmental Science and Technology
The effect of aircraft engine model and fuel type on the morphological characteristics of soot particles
October 2024
In this study, the morphological characteristics of the soot samples collected from a Lycoming O-320 piston engine, PT6A-42 turboprop engine, and Rolls Royce Allison 250C20B turboshaft engine were examined using Raman spectroscopy. The results obtained in this study indicate that engine and fuel type have to a certain extent some influence on the morphological characteristics of the soot particles. The examination of...
Journal of Internet and Information Systems
Prediction of trains’ derailments using a combination of classifiers in an African railway company
July-December 2024
The prediction of random phenomena has long seemed impossible to achieve without the arrival of Machine Learning techniques and the development of computer power. These techniques have been applied in several fields but not in rail transport, except for some work on the presence of faults on rails and machines. This work starts from the results obtained by the k-nearest neighbors algorithm (k-NN) method used previously...
Journal of Geography and Regional Planning
An exploration of sustainable urban development policy for Kenya
October-December 2024
Attempts by the colonial government of Kenya to strengthen its rule and exploit natural resources to establish an export economy accelerated the establishment of trading centres. After independence, the trading centres have grown into urban areas with many urbanisation problems. Since the colonial era, various governments have attempted to institute urban development policies to address the problems. Policies such...
African Annals of Thoracic and Cardiovascular Surgery
Mitral valve replacement versus mitral valve repair outcomes in paediatric rheumatic heart disease: a meta-analysis
October 2024
Mitral valve repair (MVr) in pediatric patients with rheumatic heart disease is now considered the optimal solution for severe mitral regurgitation. The rationale is that MVr is thought to be as durable as mechanical valve replacement (MVR) and is associated with better long-term survival and less long-term morbidity. The objective of the current meta-analysis was to examine the literature for evidence to support this...
Page 1 of 1275, showing 50 records out of 63725 total, starting on record 1, ending on 50
