Articles
Page 1 of 1253, showing 50 records out of 62602 total, starting on record 1, ending on 50
March 2023
African Annals of Thoracic and Cardiovascular Surgery
Endovascular and conventional surgical treatment of aneurysms of the aorta and its main branches in
Sub-Saharan Africa: The experience of the Côte d'Ivoire
The objective of this retrospective descriptive study is to share the experience of the Abidjan Heart Institute in the global management of aneurysms of aorta and its main branches from January 2007 to February 2022. It focused on the medical records of patients operated on for an aneurysm of the aorta and its main branches at the Abidjan Heart Institute. The following parameters were studied: Age, sex, circumstances of...
March 2023
African Annals of Thoracic and Cardiovascular Surgery
Management of axillary artery injuries at the University Hospital of Tengandogo: Report of two cases
Early repair of axillary artery injuries is a key decision that can minimize the potential for mortality and severe morbidities. The authors report two cases of major traumas of the shoulder that lead to axillary artery injuries. The case 1 is a 30 years old police man who presented explosion of the left axillary artery due to gunshot. A revascularization Dacron tube was successfully performed. The case 2 was aged 36...
March 2023
African Journal of Pharmacy and Pharmacology
Cannabis and regulatory science: A review of challenges in Africa
To some Cannabis is antisocial anathema, to others it is a harmless sedative-hypnotic, or narcotic analgesic and to others it occupies a cultural position as religious sacrament. Some fear its use leads to psychosis and addiction; to others still it is a legal anomaly and should be decriminalized. Whatever the case may be, in Africa where Cannabis is a recreational drug. It is caught in a bizarrely legal and regulatory...
March 2023
International Journal of Physical Sciences
A mathematical model development to investigate the impact of key parameters on the generated voltage hysteresis of silicon anode based lithium half cells
Lithium-ion batteries are widely used in various energy storage systems. In this article, a physics-based mathematical model of silicon micro-particle (SiMP) anode is developed to identify the principal reasons of voltage hysteresis occurrence during lithiation and delithiation battery cycling of silicon (Si) anode-based lithium half cells. Firstly, lithium diffusion, reaction kinetics, thermodynamics and mechanical...
March 2023
Journal of Horticulture and Forestry
Rooting African Sandalwood stem cuttings using low-cost technology employed in the commercial propagation of Camellia sinensis in Kenya
Osyris lanceolata (African Sandalwood) is endangered in the wild due to poor natural regeneration and over-exploitation for the highly valued sandalwood oil. The domestication of O. lanceolata is hampered by erratic and unreliable supply of seeds. A study on the rooting of O. lanceolata stem cuttings was conducted using a low-cost technology employed in commercial rooting stem cuttings of tea bushes (Camellia sinensis)...
March 2023
Journal of Public Health and Epidemiology
Sexually transmitted infection (STI): A malady with skewed marital unfaithfulness, the Nigerian experience
Marital unfaithfulness is a major contributor to sexually transmitted infections in both sexes; however, societal view of the menace seems to use various lenses for the different sexes. Globally, evidence suggests that marital infidelity has existed in history. In Africa, as well as in Western society, infidelity is a problem facing many families and accounts for high incidence of divorce. This narrative review...
March 2023
Journal of Music and Dance
Breaking barriers and stimulating dance accompaniment to popular music in Nigeria
Dances are part of our socio cultural identities in Nigeria. They are performed for different purposes and at different settings such as home, social gatherings, religious centres, schools, concert halls, dance halls and theatres. Some dance steps are peculiar to certain ethnic groups within each geo-political zone in Nigeria. These peculiarities of dance steps are seemingly going into oblivion. This paper seeks...
March 2023
African Journal of Agricultural Research
Growth performance and carcass composition of African catfish (Clarias gariepinus Burchell, 1822) fed on black soldier fly (Hermetia illucens Linnaeus, 1758) larvae based diets
A 12-week feeding trial was conducted to evaluate the effects of replacing fishmeal with black soldier fly larvae (BSFL) meal on growth performance and carcass composition of African catfish fingerlings. Five isonitrogenous (40% CP) diets of 0 (Control), 25, 50, 75 and 100% fishmeal with BSFL were used in triplicate. A randomized complete block design was used, and 600 fingerlings (0.46±0.02g) were randomly...
March 2023
African Journal of Agricultural Research
Biochar as an alternative to improve the in vitro environment for Pitaya (Hylocereus undatus Haw) and strawberry (Fragaria x ananassa Duch) growing
In vitro cultivation is widely used for micropropagation of several plant species; however, the increase in the gas concentration, such as ethylene gas, inside the growth vials can cause physiological changes. Thus, 4 experiments were carried out at the Federal University of Minas Gerais to evaluate the biochar use from sugarcane bagasse in vials with or without caps with porous membrane in the in vitro growing of...
March 2023
African Journal of Microbiology Research
ICU COVID-19 patients with bacterial and fungal super-infections in Saudi Arabia
Bacterial and fungal infections in COVID-19 patients were reported all over the world. A retrospective study was conducted to determine the prevalence of bacterial and fungal superinfections in COVID-19 positive patients between April 2020 and December 2021. This research included patients admitted in a specialized medical center in Saudi Arabia. A total of 2643 patients with confirmed diagnosis of COVID-19 via reverse...
March 2023
Journal of Horticulture and Forestry
Allelopathic and shading effects of Mangifera indica L. on germination and early growth performance of associated crops
Mango (Mangifera indica L.) is widely grown as an agroforestry tree in different parts of the world especially in Ethiopia. However, its dense canopy and expected allelopathic effect make it very difficult to survive for many of the associated crops grown under it. Therefore, current study was undertaken with the main objective to investigate the allelopathic and shading effects of mango on the germination and early...
March 2023
Journal of Engineering and Technology Research
The impact of electronic-electrical waste on human health and environment: A systematic literature review
Sub-Saharan Africa has become one of the leading destinations for used equipment or Electronic-Electrical waste (e-waste-or-EEW) from developed economies, making its management more urgent than ever. Most studies have articulated the serious impact of e-waste disposal to the environment and public human health. Little attention or consideration has been devoted to the management of e-waste in Uganda despite the...
March 2023
Journal of Medicinal Plants Research
Effects of millet on calcium oxalate crystal growth and dissolution
The influence of aqueous extract of millet on the crystallization and the dissolution of calcium oxalate (CaOx) crystals were investigated in detail under supersaturated and artificial urinary circumstances in order to understand the effect of the water-soluble components of millet on CaOx kidney stones in humans. To investigate the inhibition effect, different volumes of millet extract were added separately to the...
March 2023
African Journal of Mathematics and Computer Science Research
Curriculum development and evaluation: New dimensions to enriching Mathematics Education
in Nigeria
This paper makes a case for curriculum development and evaluation. It emphasized the new dimensions to enrich mathematics education in Nigeria. The paper therefore examined the meaning of curriculum. It highlighted issues involved in planning the mathematics education curriculum such as purpose of the curriculum, current knowledge level of students and materials. Also, it examined the practical aspect of developing the...
March 2023
African Journal of Microbiology Research
Molecular cloning and functional research in drug-resistance of transposase gene in Burkholderia pseudomallei
Transposons are widely used in genetic engineering research and play an essential role in microbial drug resistance research. Transposase is the key to constructing efficient transposons, but no studies have reported transposons in Burkholderia pseudomallei. In this study, a new transposase gene was cloned and identified from HNBp001 isolated from Hainan province. Blast and phylogenetic tree analysis showed that the...
March 2023
International Journal of Livestock Production
Distribution and relative abundance of pig breeds in South-Western Agro-ecological Zone, Uganda: Status of locally adapted pigs
A cross-sectional study was conducted in five districts in South Western Agro-Ecological Zone (SWAEZ), Uganda, to map pig breed distribution and determine their abundance and population structure. Purposive and snowball sampling methods were used to identify pig farmers whose pigs were included in the study. Pig breeds were identified using the NAADS user guide on pig husbandry. The breeds that were properly identified...
March 2023
African Journal of Agricultural Research
Impacts of farmer field schools on food security and environmental conservation in Western Kenya
This study assessed the impacts of Farmer Field Schools (FFS) on household food security and environmental conservation in the Western Province of Kenya. The outcome variables were: Maize yield per acre, income per acre, household food insecurity score and environmental conservation score. Principal component analysis and propensity score matching techniques were used for analyses and regression method to test the...
March 2023
African Journal of Agricultural Research
Typologies of pineapple-based farming systems in Centre-Cameroon
The high diversity in pineapple fields and farmers provide huge challenges in farm management in already dwindling pineapple production sector in the center region of Cameroon. A first step to overcome these production challenges is to manage the afore-mentioned diversity to a reasonable level without loss of detail and specific management interventions for each category or typology proposed. Field surveys were...
March 2023
Journal of Medicinal Plants Research
In vivo hypotensive activity on the albino’s rat and in vitro antioxidant activities of aqueous extract from Guibourtia tessmannii (Harms) J. Leonard (Cesalpiniaceae) stem barks
In Central Africa, stem bark from Guibourtia tessmannii is used in traditional pharmacopeia for the treatment of hypertension. The aim of this study was to scientifically verify the traditional use in the treatment of metabolic pathologies such as arterial hypertension and evaluated its pharmacological potential. Phytochemical tests were evaluated by standard method of laboratory. Antioxidant activities were determined...
March 2023
International Journal of Physical Sciences
Mannheim partner curves in the special linear group
In this study, we state some basic results about the geometry of the special linear group SL(2,R), seen as a subset of in terms of the left invariant fields, such as bracketing, Levi Civita connection ∇ and Riemann curvature tensor R, we give some basic theorems for Mannheim partner curves in the special linear group. We also find the relations between the curvatures and torsions of these...
March 2023
Journal of Veterinary Medicine and Animal Health
Pathological lesions associated with Cordylobia anthropophaga infestations of dogs in Kitui County, Kenya
Myiasis is the infestation of living tissues of human and animals with larvae of flies in the Order Diptera. This study determined the gross and histopathological lesions due to Cordylobia anthropophaga infestations of Dogs in Kitui County, Kenya. Four dogs identified and confirmed to have canine cutaneous myiasis (CCM) infestation were purchased for the study. All the study animals were clinically examined for skin...
March 2023
African Journal of Business Management
An assessment of the impact of quality service on customers’ satisfaction and loyalty in selected hotels in Tamale Metropolis, Northern Region, Ghana
This study was carried out to assess the impact of quality service on customers’ satisfaction and loyalty in some hotels in Tamale Metropolis, Ghana. A total of three hundred structured questionnaires were distributed to native and international tourists for the study. A self-employed form of survey was used to gather information from the respondents using service quality model. All the three hundred respondents...
March 2023
African Journal of Business Management
The effect of participatory project design on project success in government funded project in Uganda: A case study of parish development in Kabale District
The objective of this study was to examine the effect of participatory project design on project success in a government-funded project in Uganda, a case study of Parish Development in Kabale District. A cross-sectional survey was done. 75 respondents provided information, and we integrated quantitative and qualitative analysis. The analysis was conducted on three separate levels and included descriptive, bivariate, and...
March 2023
Journal of Physiology and Pathophysiology
Contribution of high fat diet to the development of gestational diabetes mellitus in rats
Gestational diabetes mellitus (GDM) is a glucose intolerance resulting in hyperglycemia with onset or first recognition during pregnancy. High fat diet (HFD) is one of the contributing factors to GDM. This study evaluated the contribution of HFD in differential adipose tissue (AT) expansion and subsequent development of GDM in Wistar rats. Pregnant and non-pregnant rats were given streptozotocin (STZ) by a single...
March 2023
African Journal of Mathematics and Computer Science Research
Degree of vertices and number of edges in a mixed graph
In the study of a graph theory, degrees of vertices and number of edges are among the important theoretical terms that are helpful in showing discrete structures and their properties. This study attempts to present the relationship between number of edges and degrees of vertices in a mixed graph. Key words: Graph, directed graphs, undirected graphs, mixed graph, degree of vertex, number of edges.
March 2023
Journal of Agricultural Extension and Rural Development
Assessment of rural women participation in farmers’ multipurpose cooperatives: The case of Agarfa District, Bale Zone, Oromia Region, Ethiopia
Rural women face different obstacles in joining and being active participants in typically male dominated farmers’ cooperatives. The purpose of this study was to assess factors affecting rural women’s participation in multipurpose cooperatives in the Agarfa district. A multi-stage sampling technique was used to select 204 women members of the multipurpose farmer’s cooperatives from whom data were...
March 2023
International Journal of Biotechnology and Molecular Biology Research
The value of Vitellaria fruit pulp beyond energy and heat generation
The shea nut pulp (SNP) has been used minimally for energy and heat generation. There is increased generation of SNP as waste during the processing of the shea nut fruit (SNF) to butter. Although the pulp is sweet and eaten by human and birds, there is paucity of information on the composition and potential uses of the SNP. This study investigated Vitellaria fruit pulp for their total solids and biochemical components....
March 2023
Journal of Agricultural Extension and Rural Development
“It All Goes Back to Trust”: A qualitative exploration of extension professionals’ perceptions of COVID-19 vaccines in rural Florida
While urban communities experienced high levels of infection at the onset of the COVID-19 pandemic, rural communities experienced an increase of confirmed cases during the fall months of 2020. Rural Americans were also among the most hesitant to receive the COVID-19 vaccine. The purpose of this study was to explore the perceptions of [State] extension professionals related to the COVID-19 vaccines in rural communities....
March 2023
African Journal of Microbiology Research
Aflatoxins contamination in raw and roasted cashew nuts in Mtwara, Tanzania
The aim of this work was to determine the contamination levels of raw and roasted cashew nuts sold in Masasi and Newala districts of Mtwara region in Tanzania. A total of 60 samples including 40 roasted (24 samples from Newala and 16 from Masasi) and 20 raw samples (12 from Newala and 8 from Masasi) were collected. Determination of total aflatoxins levels in raw and roasted cashew nuts samples was carried out by immune...
March 2023
Educational Research and Reviews
A study on the development of creativity of teachers in Shaanxi Universities in China in the context of demographic variables
This study was to explore the current state of creativity among university teachers in Shaanxi, China. The study was based on creativity systems theory and a questionnaire survey was conducted with a convenience sample of university teachers in Shaanxi Province. A total of 711 teachers from 30 universities were sampled to compare the effects of demographic variables such as gender, title, subject background, and...
March 2023
Educational Research and Reviews
An investigation of the relationship between digital obesity and digital literacy levels of individuals in the context of Turkey
The concepts of digital obesity and digital literacy, which are interconnected in influencing human beings, can find their place in all areas of life with the virtualized life industry in the globalizing world. Having these competencies, awareness can be explained by the orientation process between these concepts and the individual. In this direction, this study, which aims to examine the relationship between digital...
March 2023
African Journal of Agricultural Research
Artificial intelligence and deep learning based technologies for emerging disease recognition and pest prediction in beans (phaseolus vulgaris l.): A systematic review
Artificial Intelligence (AI) and deep learning have the capacity to reduce losses in crop production, such as low crop yields, food insecurity, and the negative impacts on a country’s economy caused by crop infections. This study aims to find the knowledge and technological gaps associated with the application of AI-based technologies for plant disease detection and pest prediction at an early stage and recommend...
March 2023
African Journal of Agricultural Research
Design optimization of communal solar powered irrigation system
Communal solar-powered irrigation systems (SPIS) have the potential for sharing the upfront costs hence encouraging farmers to adopt irrigation. Conventional methods of sizing photovoltaic water pumping (PVWP) system for irrigation consider the hydraulic energy requirement by the pump and PV generator capacity separately from the available water source capacity. As a result, the potential of the technology is not...
March 2023
African Journal of Agricultural Research
Exploration of challenges and associated recommendations to livestock sector development in South Africa using a stakeholder-driven approach
Development of the livestock sector in South Africa has the potential to contribute significantly to national development. The aim of this study was to explore challenges and propose recommendations to support livestock sector development in South Africa using a stakeholder-driven approach. Interviews with high-level stakeholders across major livestock industries were conducted to gather insights. Responses were...
March 2023
African Journal of Agricultural Research
Determination of import demand of wheat in Kenya; A time series analysis from 2000 to 2019
Trade influences economic growth and entails imports and exports. In Kenya, wheat imports have been expanding with no sign of slowing down and this has become a matter of great concern because the country is losing over 30 billion Kenyan shillings in importing wheat on a yearly basis. This motivated the need to estimate wheat import demand model, which was conducted using secondary time series data from 2000 to 2019....
March 2023
International Journal of Livestock Production
A review on differentiation of goat populations in Ethiopia based on husbandry practices, breeding and morphological traits: The primary step for conservation
The purpose of this review is to provide an overview of the differentiation of goat population in Ethiopia based on husbandry, breeding practices, and morphological traits of goats. Ethiopian goats have long been known for their extensive production methods, which have been reared in all agro-ecological zones. Rather than competing for fodder with cattle and sheep, goats complement them. The major feed resources for...
March 2023
Journal of Neuroscience and Behavioral Health
Gender-based violence and associated factors among high school female students in Ethiopia: Systematic review and meta-analysis
Gender-based violence is a serious public health problem. The prevalence of sexual violence against female students in Ethiopia has not been systematized, according to many dispersed studies. Therefore, the purpose of this systematic review and meta-analysis estimate cumulative prevalence of sexual violence and associated factors among high school female students, in Ethiopia. A systematic review and meta-analysis...
March 2023
Journal of Development and Agricultural Economics
Characterising agricultural holdings in Uganda: Inputs to improving policy formulation
This manuscript shows a characterisation of critical agricultural household features that are fundamental for performance of agricultural activities in Uganda. Data from the 2018 Annual Agricultural Survey show that these households are exposed to a series of circumstances that make agriculture a challenging enterprise to undertake, but at the same time essential for subsistence. These challenges are mainly associated...
March 2023
Educational Research and Reviews
Sustainable interior design learning during the Covid-19 era: From theory into practice
The three pillars of sustainability, social, environmental and economic developments, are global trends in education. The emergence of the COVID-19 pandemic is a critical indication of nature's resistance. Developing a sustainable interior design learning approach is not a prerequisite for a sustainable education perspective but may bring solutions to environmental concerns. Therefore, developing a curriculum for...
March 2023
International Journal of Educational Administration and Policy Studies
Reimaging of basic education; panacea for catalyzing change for inclusion and access during pandemics
The worldwide health epidemic has glinted serious challenges on the vulnerabilities. However, on the other hand it has given a glimpse of existing disparities and a wakening call on what mitigations are needed to be considered. At the top-most is the need to address the education of over one point five billion learners whose education has been interrupted due to the COVID-19 crisis. As the world globally navigates the...
February 2023
African Journal of Agricultural Research
Role of income from rice cultivation on livelihoods of rice farmers: Evidence from Ahero Region, Kenya
In Africa, the demand for rice has increased rapidly as urbanization progresses and assistance is being provided to improve productivity and rice farming management. In the rice-cultivation area near Lake Victoria in western Kenya, where farmers are called “outgrowers”, wage labor costs put pressure on rice farming and reduce profits. However, wage laborers were rice farmers living in the same area. The...
February 2023
African Journal of Agricultural Research
Effects of corn-pea mixture and harvesting days on forage yield and quality
The objective of this study was to assess the effect of mix-cropping, Yangtsepa corn variety with legume Sesbania, and single cropping on the forage yield and quality at 60-, 90-, and 120-days harvest. Randomized Complete Block Design (RCBD) with three replications was used as an experimental design. The corn and pea were line sown at 20 cm apart with a seed ratio of 50:50. The results showed higher corn forage yield...
February 2023
African Journal of Pharmacy and Pharmacology
Prevalence and possible psychoactive effects of hair cream use among students
In the last decade, there have been different mental health challenges among students due to academic stress, especially during examinations. This has led to the need to explore the relationship between psychoactive ingredients, behavioral responses and academic stress in relation to the use of hair creams. The objectives of the study were to identify hair creams containing psychoactive ingredients in use by female...
February 2023
African Journal of Pharmacy and Pharmacology
Acute and sub-acute toxicity evaluation of aqueous stem bark extract of Zanthoxylum Zanthoxyloides (Lam.) in male Albino Wistar rats
Zanthoxylum zanthoxyloides has been used for decades in traditional medicine across West African countries to treat several ailments such as malaria and pain. However, sometimes it is used without information on its toxicity level. This present work aimed to explore the toxicity level of Zanthoxylum zanthoxyloides bark aqueous extract (AZZ) on albino Wistar rats after single and repeated administrations. For the acute...
February 2023
International Journal of Physical Sciences
Indoor ionizing radiation measurement in different departments of the Federal University of Technology Owerri
The indoor background ionizing radiation of various offices of the various departments in Federal University of Technology, Owerri (FUTO) was estimated in this study. This was conducted using a well calibrated digital Geiger - Muller Counter (GCA - 04W). The highest value measured was 0.0873 ± 0.1432 µSv/h while the lowest value was 0.0006 ± 0.0001 µSv/h with an average value of 0.0052 ±...
February 2023
African Journal of Food Science
Production practices of table salt by small-scale miners in Tanzania: A case study of Nkonkilangi, Singida, Tanzania
In Tanzania, a small-scale salt enterprise supplies salt which is mainly consumed within the country. However, the producers often lack appropriate production knowledge. The purpose of this study was to assess salt processing and handling practices at Nkonkilangi village in Singida region, Tanzania. A cross-sectional study design was used to collect data. Scheduled interviews with 63 out of 100 producers were conducted...
February 2023
African Journal of Microbiology Research
Antimicrobial susceptibility profile of Enterococcus species isolated from cows with clinical mastitis and from bulk milk tanks in Brazil
Vancomycin-resistant enterococci (VRE) have been reported as a major hazard to human and animal health, causing problems like clinical mastitis in dairy cattle and nosocomial infections in humans. The aim of this study was to determine the in vitro microbial susceptibility profile of enterococci isolated from dairy farms in São Paulo and Minas Gerais states, Brazil. A total of 310 samples of Enterococcus species...
February 2023
Journal of Plant Breeding and Crop Science
Genetic bio-fortification of cereals from a plant breeding perspective
Genetic “biofortification” presents an opportunity to provide sustainable and cost effective solution to the perennial problem of ‘hidden hunger’ prevalent in most marginalized regions of the world. Diets in households across many developing countries typically consist of high calorie crops which are mostly cereals with limited diversified food. Production of cereal crops with elevated quantities...
February 2023
Journal of Bioinformatics and Sequence Analysis
DeutJ: An ImageJ plugin for improved automatic masking and segmentation of images from confocal microscopy
Due to advances in microscopic imaging, there are a plethora of biological molecules that can now be tagged and subsequentially imaged from almost any cell, organism, or tissue. However, the ability of software to analyze these images remains to be a challenge. ImageJ is open source software that allows for the processing of these images, but faces challenges when dealing with images that show weak contrast between...
February 2023
African Journal of Agricultural Research
Yields and soil chemical property changes in an intensive vegetable cropping system in the Sahel
Irrigated vegetable production is an important agricultural activity and a significant source of income for millions of smallholder farmers in the Sahel. There is little information on the potential effects of intensive vegetable production using African Market Garden (AMG) technology on vegetable yields and soil chemical properties. Three contiguous 500-m2 plots were established to evaluate three vegetable management...
Page 1 of 1253, showing 50 records out of 62602 total, starting on record 1, ending on 50
