Articles
Page 8 of 1271, showing 50 records out of 63538 total, starting on record 351, ending on 400
African Journal of Agricultural Research
Ethnobotanical survey to evaluate the endogenous knowledge and consequences of Taro Leaf Blight (TLB) in Sudanian climatic zone of Burkina Faso
January, 2024
Leaf blight caused by Phytophthora colocasiae poses a significant threat to taro production in the Sudanian climatic zone of Burkina Faso. This study aims to assess producers' knowledge about the disease, its consequences, and field management practices. An ethnobotanical survey was conducted among taro producers between June and July 2021. Data were collected using a semi-structured questionnaire and analyzed...
African Journal of Agricultural Research
Response of maize grain yield to different sources of organic manure at varied levels of application
January, 2024
The experimental site was prepared and land used was 1,904 square feet (measuring 1706.88 by 1036.32 m). Varying rates (0.5, 1, and 1.5 kg) of three organic manures (palm kernel cake, bio char, Gliricidia sepium and poultry/chicken manure) were applied on maize variety DMR-ESR-yellow. The design was a randomized complete block design in a factorial arrangement with three replications, with a plot size of 4 by 4ft. Each...
African Journal of Agricultural Research
Enhancing wheat productivity for small-scale farmers in the northern state of Sudan through developing a local made seed cleaner and different seeding methods
January, 2024
The wheat cleaner was designed, manufactured, and tested in the workshop of the Department of Agricultural Engineering, Faculty of Agricultural Sciences, University of Dongola, and Northern State of Sudan. The purpose was to enhance productivity for small-scale farmers who traditionally plant their saved wheat seeds every season, facing risks of weed infestation and low viability. A one-season field experiment was then...
African Journal of Microbiology Research
Antibacterial activity and phytochemical investigation of leaf and root extracts of Aloe gilbertii Reynolds
January 2024
The objective of the study was to test the antibacterial activities of crude extracts of roots and leaves of Aloe gilbertii Reynolds against clinical pathogens. The crude extracts were prepared via maceration technique employing n-hexane, acetone, chloroform, dichloromethane:methanol (50:50% V/V) and methanol solvent system. The phytochemical screening tests of the dichloromethane:methanol (50:50% V/V) root extract of...
African Journal of Microbiology Research
Antibiotic sensitivity patterns of nosocomial infections bacterial isolates in National Hospital in Niamey, Niger
January 2024
Nosocomial infections are recognized as a global public health issue, with causative bacteria often exhibiting high levels of antibiotic resistance. However, there is a paucity of data on multidrug-resistant bacteria in nosocomial infections in Niger. This study aimed to determine the antibiotic sensitivity of bacteria isolated from specimens of patients suffering from nosocomial infections. Samples collected from...
African Journal of Microbiology Research
Microbiological quality and safety of poultry processed in Africa: A review
January 2024
Poultry is the second most consumed meat in the world. In Africa, chicken production and processing are practiced both formally and informally, with smallholders constituting the majority in this sector. Informal practices are vulnerable to the production and processing of chicken, which is easily contaminated by pathogens such as Escherichia coli, Staphylococcus aureus, Salmonella, and Campylobacter. The growth of the...
African Journal of Political Science and International Relations
The paradox of silencing the guns and increasing conflicts: A critical appraisal of the role of the African Union institutions
January-March 2024
This paper aims to highlight the reasons behind the escalating conflicts in Africa in recent years. Through a desk review of the literature on ongoing conflicts, the paper attempts to unpack the paradox surrounding the goal of silencing guns in Africa by the year 2020 and beyond. The objective is to uncover the reasons causing and contributing to conflicts in Africa. The study concludes that the sources of violent...
Educational Research and Reviews
Integrated approach for sustainable urban early childhood education and development: The case of urban planning and preschool infrastructure in rapid urbanization context
January 2024
This study explores an integrated approach for sustainable urban early childhood education and development within the context of urban planning and preschool infrastructure in rapidly urbanizing areas. It focuses on a case study conducted in both private and public preschools in Addis Ababa. The study adopts a qualitative case study design, utilizing data from secondary sources such as documents related to urban...
Educational Research and Reviews
Professional identity development in bioscience education: A systematic review of the literature
January 2024
This article addressed the significant issue of identity crisis experienced by students in their choice of profession, as highlighted in various research studies. The importance of examining professional was emphasized to identity development from a disciplinary perspective, particularly in the biosciences and allied fields. To achieve this, we conducted a synthesis of 85 research articles, aiming to comprehend the...
Educational Research and Reviews
An examination of pre-service teachers’ Van Hiele levels of geometric thinking and proof perception types in terms of thinking processes
January 2024
The primary goal of advanced mathematics courses is to equip students with proof skills. That is why the competence of pre-service mathematics teachers in proof is considered an assessment of their performance. Despite the emphasis on mathematical proof in undergraduate education, students studying higher mathematics at university often face difficulties with proofs. Therefore, it is essential to examine students’...
African Journal of Biotechnology
Analytical performances description of the immunoturbidimetric method for the determination of HbA1c using Selectra Pro M automated system at the Institut National d'Hygiène (INH) of Lomé
January 2024
HbA1c is the best indicator for monitoring glycemic control in both type 1 and type 2 diabetic patients. Its value allows us to predict the development of long-term degenerative complications of diabetes. Several techniques offered by different laboratories allow the determination of HbA1c based on different principles. The purpose of the present study was to perform the verification of the analytical performances of...
African Journal of Biotechnology
Typing of enterovirus identified from Moroccan mussels (Mytilus galloprovincialis Lamarck, 1819) by seroneutralization
January 2024
Non-poliovirus enteroviruses (NPEV) are infectious agents which can determine various illness in human such as hand-foot-mouth syndrome, angina, respiratory diseases, acute or chronic heart disease, diarrhea, pancreatitis, acute hemorrhagic and conjunctivitis. These viruses are eliminated in the stool and thus contaminate the marine environment and shellfish. In Morocco, shellfish sanitary quality analysis does not...
African Journal of Biotechnology
Morphological traits variation of cowpea (Vigna unguiculata L. Walp) grown in Côte d’Ivoire
January 2024
The genetic diversity of a genetic resource is an indicator of its richness and offers many possibilities for improvement. Cowpea is an important source of nutrients for humans and animals. This study aimed at assessing genetic diversity and relationships present among 135 accessions in the Centre National de Recherches Agronomiques (CNRA) collection, using qualitative traits. Traits analysis revealed significant...
African Journal of Biotechnology
Purification of stilbene synthase from Phaseolus vulgaris and determination of its catalytic activity
January 2024
Stilbene compounds, secondary metabolites produced by plants in response to external environmental stimuli, are garnering increasing attention. Stilbene synthase (STS) plays a crucial role in their synthesis. This study focuses on the purification of stilbene synthase from Phaseolus vulgaris and the determination of its catalytic activity. The stilbene synthase gene obtained from the Phaseolus genome was expressed in...
African Journal of Biotechnology
Estimates of genetic variability in ultraviolet irradiated populations of summer squash
January 2024
Summer squash is an important member of the family Cucurbitaceae. It is one of the most popular vegetable crops cultivated in Egypt. Increasing yield and improving fruits quality are the targets for growers. Therefore, this study aimed to evaluate the extent of genetic variations, heritability, as well as expected genetic advance for growth and yield related traits in four genotypes of summer squash subjected to three...
International Journal of Nutrition and Metabolism
Dietary intake of omega-6 and omega-3 fatty acids among pregnant and breastfeeding women in Morogoro, Tanzania
July-December 2023
A new-born’s health and wellbeing is determined by the diet and lifestyle of the mother prior, during and after conception. Polyunsaturated fatty acids play an important role for proper development of brain and other organs in the body. This study sought to assess dietary intake of omega 6 and omega 3 fatty acids among pregnant and breastfeeding women in Morogoro municipality, Tanzania. About 318 women completed a...
International Journal of Nutrition and Metabolism
Effect of junk food on body mass index (BMI) of adolescent school children in Ukwuani Local Government Area (LGA) of Delta State
July-December 2023
There are great concerns in Nigeria about lifestyle diseases which are now emerging among adolescent school children due to emphasis on the food taste rather than nutritional value of the food. Survey of the consumption pattern of junk foods among adolescent school children drawn from both public and private school in Ukwuani LGA of Delta State, Nigeria was carried out. The study sample is class three (3) of the Junior...
Journal of Brewing and Distilling
Assessment of the composition of gins by nuclear magnetic resonance spectroscopy
July-December 2023
A limited number of samples of gin and related alcoholic beverages have been analysed using high-resolution 1H NMR Spectroscopy to investigate the effectiveness of the technique as a means of gaining insight into their chemical composition. Various types of gin were investigated, including London Dry, Compound, Old Tom, and fruit gins. The study utilized some advanced NMR experiments, including multiple solvent...
African Journal of Food Science
Insights into the journey towards development of dietary guidelines: An exploration of synergy between fruit and vegetable research with food composition tables in Malawi
December 2023
Publication of the Malawi Food Composition Database (MFCDB) is a milestone towards improving the nutritional status and overall health of citizens. Following the establishment of this database, the next step involves formulating food-based dietary guidelines tailored for Malawi. However, both the database and the planned dietary guidelines are dependent on robust research on food composition. This analytical review...
African Journal of Food Science
Effect of 300Gy Gamma (Y) radiation dose on Nigerian onion: A proximate composition
December 2023
Onion (Allium cepa) samples purchased from one of the most populous markets (Bodija market) in the south-western part of Nigeria were irradiated with a 300Gy dose of Yphotons using YBEAMX200, while some of these onions were also kept as control (non-irradiated). Proximate analyses were carried out on both irradiated and non-irradiated onion. The proximate composition revealed 0.16, 11.63 and 7.90% reduction in moisture,...
Journal of Media and Communication Studies
Assessment of communication interventions to improve the livelihood of rural community in Ethiopia: The case of Sidama Region
October-December 2023
This study aims to assess practical communication interventions used by development agents in the agricultural sector in the Sidama Region. Using the descriptive design, the researchers employed a quantitative data-gathering method. A cluster random sampling technique was used to identify two 'districts' from the region. All development agents found in the two woredas were selected and included in the survey. A...
African Journal of Agricultural Research
Effects of irrigation regimes at different growth stages on seed yield and yield components of two soybeans (Glycine max L. (Merr.)) varieties in semi-arid conditions
December, 2023
Water stress is the most limiting abiotic stress factor for soybean growth, development and production in semi-arid regions. The development of new soybean cultivars with high efficiency and ability to drought resistance is very important. Field experiment was conducted to investigated the impact of irrigation regimes at different growth stages (Full irrigation, irrigation regimes at vegetable growth, flowering, and pod...
African Journal of Agricultural Research
Effect of biochar on soil physical properties, growth parameters and yield of soybeans on a five-year fallow
December, 2023
The potential of biochar as a soil amendment in agricultural fields is a recently recognized and yet underutilized technology. The objective of this study was to investigate the mid/long-term effects of a single biochar application on soil physical properties, growth parameters and the yield of soybeans in a sandy clay loam. Biochar was added to a highly weathered tropical soil at rates of 40 tons ha-1 five years prior...
African Journal of Agricultural Research
Agronomic efficiency and grain yield response index of wheat varieties as influenced by nitrogen rates in
semi-arid zone of southern Niger
December, 2023
Wheat productivity in southern Niger is hampered by the utilization of local wheat varieties that exhibit a low response to fertilizer. A field experiment was conducted over two dry seasons in Djirataoua to investigate the efficiency and responsiveness of four wheat varieties under four nitrogen doses (0, 100, 150 and 200 kg N ha-1). The experiment followed a split-plot design with three replications. Results revealed...
African Journal of Agricultural Research
Screening sorghum local landraces for potential drought tolerance stay-green quantitative trait loci (QTLs) sources in Burkina Faso
December, 2023
Sorghum serves as a staple food for rural populations in Burkina Faso, but its cultivation faces limitations due to post-flowering drought stress. Consequently, there is a need for improvement to enhance resilience to moisture stress. The current investigation aims to identify drought-tolerant germplasm to enhance local susceptible elite varieties. One hundred and ten accessions, comprising improved and exotic...
African Journal of Agricultural Research
Growth promotion and yield attribute improvement of five groundnut (Arachis hypogaea L.) varieties by the application of plant growth promoting rhizobacteria
December, 2023
The aim of this investigation was to evaluate the symbiotic performance of a collection of ten plant growth-promoting rhizobacteria (PGPR) strains on the growth and yield attributes of five groundnut varieties. The screening was conducted in the greenhouse using seeds of the varieties Essamay, Amoul Morom, 55-437, Fleur 11 and Sunu Gaal grown in 1.5 kg pots with Sangalkam soils. Leaf chlorophyll content, plant height,...
African Journal of Microbiology Research
The assessment of contamination level of multidrug resistant bacteria and antibiotic residue in chicken manure
December 2023
This study aimed to assess the contamination level of chicken litter by antibiotic residues and multidrug resistant (MDR) bacteria. A total of 28 chicken litter samples were aseptically collected in Abidjan poultry farms in December 2021. The bacteria including Salmonella, Escherichia coli and Staphyloccocus aureus were isolated on specific culture media and were identified using biochemical tests. Antibiotics...
African Journal of Microbiology Research
Molecular identification of biofilm-producing Bacillus species and yeasts isolated from food sources and their interaction with Lysinibacillus louembei strain
December 2023
The microorganisms contained in fermented foods are known to harbor metabolic products, possibly improving human and animal health. However, despite several studies on the functional effects of fermented foods, isolation and identification of the effective Bacillus species strains are still in progress. The objective of this study was to molecularly identify biofilm-producing Bacillus spp. (BPB) and yeasts from...
African Journal of Microbiology Research
Prevalence, antibiotic resistance of Staphylococcus aureus isolated from layer farms (eggs, droppings/litter) in the outskirts of the city of Ouagadougou, Burkina Faso
December 2023
Eggs are susceptible to microbiological contamination by various pathogens on farms, particularly those belonging to the genus Staphylococcus, which are zoonotic bacteria capable of contaminating humans, animals, and/or birds, posing a significant public health concern. In Burkina Faso, limited data exists on the prevalence of Staphylococcus aureus, prompting this study to investigate the prevalence and antibiotic...
African Journal of Microbiology Research
Acute bacterial meningitis ecosystem in Cote D'ivoire from 2012 to 2020
December 2023
Bacterial meningitis remains a health concern in meningitis belt countries. The objective of this study was to ascertain the bacterial profiles of meningitis in Côte d'Ivoire from 2012 to 2020. The study, conducted retrospectively at the National Center of Reference of Meningitis of Cote d’ivoire, analyzed 5046 cerebrospinal fluid (CSF) samples from January 2012 to December 2020. Epidemiological data...
Journal of Medicinal Plants Research
Antimicrobial activities of the extract of shea tree (Vitellaria paradoxa Gaertn. F.) leaf and bark on some selected clinical pathogens
December, 2023
The use of plants and plant products in the treatment of various ailments has been with humanity since the dawn of time and the potentials of these plants are so enormous that the continuous search for their hidden treasures is more crucial because of the rise in antibiotic resistance. This study was designed to determine the antimicrobial activities of the shea tree (Vitellaria paradoxa) extracts against some selected...
Journal of Medicinal Plants Research
Phytochemical compounds present in COVI-MXG herbal preparation inhibits RNA-Dependent RNA polymerase from SARS-CoV-2: A molecular docking study
December, 2023
Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) has been identified as the agent responsible for COVID-19 pandemic. Currently, no therapeutic agents have proven effective in combating the virus. Managing the infection is mainly palliative in nature, involving infection prevention strategies and supportive therapy anchored on drugs that practitioners have had previous usage experience. Previously exploited...
Journal of Medicinal Plants Research
Effects of different nitrogen forms and concentration combinations on American ginseng seedling growth
December, 2023
This study investigated the impact of various nitrogen forms on American ginseng (Panax quinquefolius) seedling growth. Thirteen treatments of inorganic and organic nitrogen combinations were tested in the first year and growth indicators were measured. In the second year, treatments with significant growth promotion effects were further verified. The results showed improved growth of American ginseng seedlings when the...
Journal of Medicinal Plants Research
Qualitative, quantitative composition and evaluation of the antioxidant activity of polar extracts of stem bark of Hexalobus crispiflorus A. Rich (Annonaceae family): Central African species
December, 2023
Hexalobus crispiflorus A. Rich., synonym Hexalobus grandiflorus Benth, is a plant in the Central African pharmacopoeia, widely used in the treatment of skin diseases and diabetes. The present study is a contribution to the qualitative and quantitative analysis and evaluation of the antioxidant activity of this plant. Preliminary phytochemical tests carried out on the different crude extracts of H. crispiflorus revealed...
Journal of the Nigeria Society of Physiotherapy
Cardiopulmonary physiotherapy as a specialty: Students’ experience and factors that influence their career choice
July-December 2023
Studies have shown that physiotherapy students have limited knowledge about cardiopulmonary physiotherapy specialty despite the increased need for cardiopulmonary physiotherapy services in Nigeria. The study aims to assess undergraduate physiotherapy clinical students' experiences in the cardiopulmonary physiotherapy specialty and the factors that influence their career choice. A cross-sectional survey was conducted...
African Journal of Environmental Science and Technology
Groundwater quality assessment and human health risks in Ovitoto, Otjozondjupa Region, Namibia
December 2023
Namibia, a dry country relies heavily on groundwater resources which is susceptible to anthropogenic contamination. The study assessed the quality and health risks of borehole water supplied to residents of the Ovitoto community in Otjozondjupa region of Namibia. Water samples were collected from nine boreholes across nine communities over a period of six months and subjected to physicochemical and microbial analyses....
African Journal of Environmental Science and Technology
Possible human health risk of selected heavy metals’ mobility from municipal waste compost amended agricultural soil
December 2023
Use of organic compost in soil amendment in agricultural practice may tend to transfer heavy metals and can be a health concern. This study aims to investigate the possible mobilization of selected heavy metals from municipal compost amended soil. Experimental plots (250 m2) were divided into four equal portions and alternate portions were amended with municipal compost and left for 5 weeks. Soil physicochemical...
African Journal of Environmental Science and Technology
Geospatial assessment of land surface temperature in Owo Forest Reserve Area, Ondo State Nigeria
December 2023
Nigeria forest reserves acts as the last succour for the entire citizenry and also have significant contributions to her economy. This study was intended at assessing the Land Surface Temperature (LST) in Owo Forest Reserve Area (FRA) with a view for sustainable forest management. The objectives set for the research includes: (i.) assessing the vegetation changes in Owo FRA, (ii.) evaluate the LST and (iii.) relate...
Journal of Accounting and Taxation
Digital ethics and taxpayers’ attitude in Greece: Evidence and policy recommendations for the future
October-December 2023
New technologies transform public policies and the services provided to citizens, contributing significant added value to them individually or collectively. The same applies to the case of Artificial Intelligence (AI) in Tax Administration (TA). Contemporary TA integrates in its operation a number of algorithmic applications in high impact areas of taxation. This paper aims to analyze Greek taxpayers’ attitudes...
African Journal of Plant Science
Combining ability of aphids (Aphis craccivora Koch) resistance in cowpea (Vigna unguiculata (L.) Walp.)
December 2023
General combining ability (GCA) describes the general usefulness of the parental form in terms of the concerned trait, whereas specific combining ability (SCA) indicates importance of the joint action of the genes of parental forms. Such information is useful to identify the best combiners which may be hybridized to build up favourable genes. This present investigation aimed to determine the GCA and SCA effects of...
African Journal of Biotechnology
Callus induction of Tacca integrifolia Ker Gawl using stem nodal segment
December 2023
A study was conducted to determine the optimum concentration of plant growth regulators on in vitro callus induction of Tacca integrifolia using stem nodal segment. Fresh, dry weight and morphology of callus were evaluated and the results showed significant effects on callus induction when analyzed at a 5% level of significance. Among the treatments, Murashige and Skoog with only 6-Benzylaminopurine (1.0 mg/L) produced...
African Journal of Biotechnology
Isolation and molecular identification of tannase producing fungi from soil
December 2023
The study was conducted to isolate and identify tannase producing fungi from soil. Soil samples were collected aseptically and cultured on tannic acid agar (TAA) to screen for tannic acid hydrolysis. The observed isolates were sub-cultured to obtain pure culture and were later subjected to secondary screening in the Czapek medium. The biomass weight, tannase activity, and gallic acid concentration in the fermentation...
African Journal of Biotechnology
Identification of antagonistic bacterium strain and biocontrol effects on ginseng root rot disease
December 2023
From healthy mountain-cultivated ginseng leaves, 45 endophytic bacteria strains were isolated. Antagonistic bacterium strain FS17 was screened with the confront culture method, and identified as Bacillus subtilis based on morphological characteristic and 16S rRNA sequence analysis. Growth rate method was used to determine that the fermentation broth of FS17 had inhibitory effect on 10 plant pathogenic fungi, and the...
African Journal of Biotechnology
Inoculation effectiveness of native and exotic Bradyrhizobium species strains in a Senegalese agricultural soil: A comparison on modern and traditional peanut (Arachis hypogaea L.) cultivars
December 2023
Peanut is a key component of Senegal’s predominantly cereal-based farming systems, but its production is challenged by low soil fertility. Rhizobial inoculation is a promising strategy to improve crop yield and reduce the use of chemical nitrogen fertilizers. The aim of this study was to isolate the most specific and effective bradyrhizobial strain for peanut, and to determine the degree of variability in the...
African Journal of Biotechnology
Preferential expression of somatic embryogenesis in five elite genotypes of Theobroma cacao (L.) associated with explant type and protocols used
December 2023
This study aims to identify the suitable subculturing time, culture media (protocols) and explants type suitable for somatic embryogenesis expression in five elite genotypes of Theobroma cacao L. Thus, petals and staminodes explants extracted from immature flower buds of genotypes (C1, C8, C9, C14, and C16) are first grown in different media (CIM and CDM) to assess the subculturing time. Then, successive transfers in...
International Journal of Nursing and Midwifery
The impact of self-management education and exercise intervention on pregnant women’s back pain experiences in low- and middle-income countries
October-December 2023
Pregnancy-related back pain is a frustrating health problem worldwide because of its high prevalence. Approximately 50% of women experience back pain during pregnancy and 25% may continue to experience pain after delivery. The impact of a self-management education and exercise intervention were determined on pregnant women’s back pain experiences in a low- and middle-income setting. The aim was to establish the...
Educational Research and Reviews
The perception of junior secondary school teacher to their level of motivation in Bo District, Southern Region of Sierra Leone
December 2023
The study assessed the perception of junior secondary school teacher to their level of motivation in Bo district, Southern Region of Sierra Leone. It adopted a descriptive research design to collect data on a sample size of 298 teachers. Self-administered perception questionnaire on teacher motivation (SAPQTM) was developed on the basis of the objectives of the study. Data was collected and analyzed using descriptive...
Educational Research and Reviews
Meta-cognitive knowledge, locus of control and understanding mathematical jokes: A study in students with and without learning disabilities
December 2023
This study examined how metacognitive knowledge and locus of control are associated with understanding mathematical jokes in students with and without learning disabilities. This study looked at a sample of 60 ninth-grade students of which 30 had a learning disability diagnosis and 30 had no learning disabilities. Students were tested using three instruments: a metacognitive knowledge questionnaire, a locus of control...
Educational Research and Reviews
The effect of differentiated instruction on gifted students' critical thinking skills and mathematics problem solving attitudes
December 2023
It is known that a significant portion of the world's child population is gifted. Studies on the applications that can be used in the education of these gifted students have been given importance in recent years. In this study, the effect of differentiated instruction method on mathematics problem solving attitude and critical thinking skills of gifted students at primary school level was examined. The research is a...
Educational Research and Reviews
Examining e-learning adoption intention among academic staff in higher education institutions: A developing country context
December 2023
E-learning presents a significant opportunity for developing countries to rapidly increase the availability of higher education to their population. However, e-learning is not widely adopted in many developing countries such as Nigeria. This study aims to advance our understanding of the determinants of e-learning adoption by examining the factors influencing e-learning adoption intentions among academic staff in higher...
Page 8 of 1271, showing 50 records out of 63538 total, starting on record 351, ending on 400
