Articles
Page 9 of 1275, showing 50 records out of 63725 total, starting on record 401, ending on 450
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...
March 2024
African Journal of Bacteriology Research
Contribution of COVID-19 diagnosis in patients seen at the tuberculosis laboratory in the response to the COVID-19 pandemic in the Kayes Heath district
The COVID-19 pandemic has posed challenges to tuberculosis (TB) services, leading to an increase in TB deaths for the first time in a decade. The aim of our study was to investigate the presence of SARS-CoV-2 in patients attending the Kayes Reference Health Center for tuberculosis diagnosis and anti-tuberculosis treatment monitoring. This was a cross-sectional and prospective study conducted at the Reference Health...
March 2024
Journal of Entomology and Nematology
Comparative efficacy and cost analysis of albendazole, levamisole, and ivermectin on West African dwarf sheep in Makurdi Benue state Nigeria
Helminthosis and helminths resistance to anthelmintic is a great concern in the management of sheep. The efficacy of three different anthelminthics was studied in sheep. Three groups of sheep comprising seven animals each were treated with three different anthelmintics (albendazole, ivermectin and levamisole). Faecal samples were collected from each group before and after treatment. The faecal egg count (FEC) was...
March 2024
African Journal of Political Science and International Relations
African’s sub-regional bloc’s challenges in coordinating collective security amidst the influence of external state powers in African security governance: The case of ECOWAS and the roles of Nigeria, France, and the UNSC in the civil wars of Liberia and Mali
This paper analyzed regional collective security cooperation and ownership challenges under the auspices of the Economic Community of West African States (ECOWAS) vis-à-vis regional organizations' responsibilities as outlined in the UN Charter. The paper situated these challenges in the conflicting interests of Nigeria, a sub-regional hegemon or aspiring hegemon, France as an extra-regional counter-hegemony,...
February 2024
African Journal of Business Management
The economic role of micro and small-scale business enterprise in case of Meket town, North Wollo, Ethiopia
This study aimed to assess the economic role of micro and small-scale business enterprises in the case of Meket town, North Wollo. The specific objectives were to investigate employment creation in micro and small-scale business enterprises, assess the role of MSSEs in income generation, and evaluate the major constraints of MSSEs in the study area. In this study, owners of micro and small-scale enterprises and...
February 2024
Educational Research and Reviews
A review on the effect of school principals' perceptions of professional loneliness on their performance
In this research, it is aimed to make a compilation based on studies in the literature on the reflection of professional loneliness levels of Educational Managers, especially school principals, on their individual and organizational performances, and to raise awareness by drawing attention to the problems experienced. Based on the literature, the variables affecting the professional loneliness levels of school...
February 2024
Journal of Engineering and Technology Research
Design of a novel control panel for 24-Volt automatic fish feeders
This paper describes a novel control panel for programmable feeders in a production fish hatchery. This system used digital interval timers in electrical box to control three parallel rails of power outlets. Transformers were used to step down the voltage from 120 to 24-V for use by 24-V feeders. A photo-eye was incorporated into the system so that the feeder would only dispense during the daylight hours. The system...
February 2024
International Journal of Library and Information Science
Information sources, methods and challenges: perspective of first year undergraduate students of University of Cape Coast, Ghana
For the University of Cape Coast first-year students, research is an important step in determining the knowledge that best suits their needs. This study investigated the purpose of searching for information, major sources of information, information search strategies, and the challenges in information search, using the quantitative descriptive survey design. The sample size was 486, with 48.8% of the respondents aged...
February 2024
African Annals of Thoracic and Cardiovascular Surgery
The magnitude of systemic arterial oxygen saturation improvement achievable by a Blalock-Taussig-Thomas shunt: A systematic review
This study was carried out to determine the magnitude of systemic arterial oxygen saturation (SaO2) improvement caused by a Blalock-Taussig-Thomas shunt (BTTS). PUBMED (PM) and Google Scholar (GS) were searched between 1st January, 1966 and 31st March, 2023. Search terms included: Blalock, Taussig, shunt, pulmonary artery and Tetralogy of Fallot. Only full-text papers that measured pre-BTTS and post-BTTS systemic...
February 2024
Journal of Brewing and Distilling
Bacterial contamination and surface hygiene in the microbrewery environment
Bacterial spoilage has a negative impact on the quality, stability and consumer acceptance of beer. The present study was conducted to determine bacterial surface and product contamination in the microbrewery environment. HybriScan™ D Beer rapid molecular testing kits for bacterial cell counts were used to evaluate three microbreweries of similar size at eleven different locations within each brewery. Analyses of...
February 2024
International Journal of English and Literature
An in-depth review of the two most common feedback forms in English undergraduate programs: The connection of their consequential academic damages to students’ perceptions of their teachers, and how video-recorded feedback can combat these effects
This review, built upon the criticism receiver’s harmony theory and incorporating the voices of the majority of English undergraduate students and English department professors at California State University, Northridge, and North Central University as its primary foundation, explores the two most prominent types of personal feedback in undergraduate English courses. It delves into their individual psychosocial...
February 2024
Journal of Chemical Engineering and Materials Science
Exploring the biodiesel potentials of waste avocado fruit oil
The biodiesel potential of waste avocado fruit was investigated. This study is essential for utilizing the enormous waste generated from avocado cultivation in Nigeria. Biodiesel was produced using a two-step acid-base catalyzed transesterification process. The acid catalyzed esterification step was required to convert the free fatty acids present in the oil to methyl esters. Important biodiesel properties such as flash...
February 2024
African Journal of Biochemistry Research
Effect of conditions in the production of highly soluble powder from tomatoes using microbial enzyme preparation
This study develops functional food ingredients made from tomatoes. In particular, the cellulose contained in tomatoes was saccharified using microbial enzyme preparations, and the possibility of producing highly soluble tomato powder was investigated. First, the study investigated the conditions for saccharification of Avicel using enzyme preparations A, B and C. A result of saccharifying tomato powder under best...
February 2024
African Journal of Biochemistry Research
Hyperhomocysteinemia in a population of type 2 diabetics in Senegal
The objective of this study is to estimate the prevalence of hyperhomocysteinemia in a population of type 2 diabetics and to study the relationship between serum homocysteine ??levels and sociodemographic, clinical and biological characteristics in this population. This is a cross-sectional study involving 100 type 2 diabetic patients. Each patient underwent a routine biological assessment and a total homocysteinemia...
Page 9 of 1275, showing 50 records out of 63725 total, starting on record 401, ending on 450
