Articles
Page 2 of 1263, showing 50 records out of 63150 total, starting on record 51, ending on 100
African Journal of Agricultural Research
Antioxidant activity of phenolic compounds in Hibiscus sabdariffa from Congo
November, 2023
Hibiscus sabdariffa is a plant of the Malvaceae family, commonly found in tropical and subtropical regions of Africa, Asia, and the Americas. Its leaves, seeds, and calyxes are utilized in both human and animal nutrition. The objective of this study was to evaluate the antioxidant activity of phenolic compounds in leaves and calyxes harvested from H. sabdariffa plants that were fertilized with chicken manure in Congo....
Journal of Accounting and Taxation
Financial accountability mechanisms in local governments in Uganda: A case of Kabale District Local Government
October-December 2023
The purpose of the study is to present financial accountability mechanisms in local governments, with reference to Kabale district local government. A cross-sectional research design, which used both quantitative and qualitative approaches to collect and analyze data, was adopted. Both simple random and purposive sampling techniques were used to select 117 respondents from 174 subjects. Questionnaires and personal...
African Journal of Microbiology Research
Denaturing gradient gel electrophoresis (DGGE): An alternative culture independent method for bacterial screening in bovine milk sample
November 2023
Bovine mastitis is a disease that has a great impact on Brazilian livestock production. Some bacteria described as mastitis-causing agents are not easily cultivable in conventional media, making their diagnosis difficult. The aim of the present study was to detect bacteria present in milk from mastitic and non-mastitic quarters of dairy cattle in Rio de Janeiro-Brazil, using a culture-independent and culture-dependent...
International Journal of Physical Sciences
foF2 diurnal variation at Dakar station during the period of geomagnetic shock of variable duration over solar cycle 21 and 22: Prediction with IRI 2016
October-December, 2023
This work concerns the comparative study of the diurnal variation of the critical frequency of the F2 layer (foF2) between experimental data from the Dakar station and those of the IRI 2016 model through its URSI. The comparison was conducted during solar cycles 21 and 22, across different phases, and on various days of geomagnetic shock activity. The results indicate that during solar minimum, the graphs of the...
Educational Research and Reviews
Research on the influence of teachers' perceived transformational leadership on knowledge sharing behavior in colleges and universities in Anhui, China
November 2023
This study aims to explore the impact of perceived transformational leadership on knowledge sharing behavior among university teachers in Anhui Province, China. Using a questionnaire survey method, convenient sampling was conducted among college teachers in Anhui Province. With 326 teachers as the research subjects, SPSS software was used to analyze the relationship between teachers' perception of transformational...
African Journal of Biotechnology
Evaluation of viral hepatitis C screening at Institut Pasteur of Côte d'Ivoire from 2012 to 2022
November 2023
The hepatitis C virus (HCV) accounts for 48% of the 1.4 million deaths from viral hepatitis worldwide. The prevalence of HCV was estimated at 5% in Côte d'Ivoire in 2015. The aim is to evaluate screening for the HCV at the Institut Pasteur de Côte d'Ivoire (IPCI) from 2012 to 2022. A retrospective study was carried out to monitor changes in screening for the anti-HCV Ac at the IPCI. The parameters of...
Journal of Engineering and Technology Research
Optimal support spacing for composite oil and gas pipelines
July-December, 2023
Problems of premature breakage or failure may be encountered with composite pipelines used in the transportation of oil and gas products due to the manner in which these lines are laid or installed, especially in cases where the lines traverse long distances with rapidly varying topograghy over which considerable twisting and bending of the pipelines may occur. To overcome such problems, an analytical model is developed...
Journal of Medicinal Plants Research
Medicinal plants diversity at King Salman Bin Abdulaziz Royal Natural Reserve in Saudi Arabia and their conservation management
November, 2023
King Salman Bin Abdulaziz Royal Natural Reserve (KSRNR) is the largest protected area in the Middle East. This literature review study considered the primary survey on the native medicinal plant diversity at KSRNR in the Kingdom of Saudi Arabia (KSA). KSRNR flora, until now, has about 260 plant species, representing about 12% of the KSA flora. Information was gathered through an extensive literature survey, which...
African Journal of Agricultural Research
The impact of safety net programs on household asset building in Ethiopia: Propensity scope matching model results
November, 2023
The study analyzed the impact of the Productive Safety Net Program (PSNP) on Household Asset Building (HAB) in drought-prone areas of Southern Ethiopia. Cross-sectional survey data were collected from 180 randomly sampled households, including both PSNP beneficiaries and non-beneficiaries. The analysis included both inferential and descriptive methods, utilizing a Propensity Score Matching (PSM) technique to estimate...
Educational Research and Reviews
Focus group method for examaining the reading habits of high-level readers
November 2023
The state of reading to meet a person's needs develops over time, and this habit becomes a part of the person's life. In this study, a focus group interview was the preferred method of qualitative research. High-level readers who read more than 30 books a year were included in the study. Even though they read about 30 to 100 books a year, they still think they should improve in some respects. Their reading...
Journal of Medical Laboratory and Diagnosis
Correlation between severe malaria and EBV endemicity in children under five years in Ghana
July-December 2023
In Africa, Plasmodium falciparum accounts for majority of malaria morbidity and mortality in children under five years. At this age, they also become co-infected with Epstein-Barr virus (EBV). There is scanty of information whether this co-infection is the reason why malaria in children tends to be severe. The aim was to study the association between co-infection of EBV with P. falciparum infection and malaria severity...
Educational Research and Reviews
Review of the mathematical thinking levels of gifted and non-gifted students
November 2023
This study aimed to determine the mathematical thinking levels of gifted and non-gifted students and to compare them according to some variables. In this study, screening model was used from quantitative research methods. The study group of the study consists of 194 gifted students and 168 non-gifted students studying in grades 5-8 in a province in the southern region of Turkey in the 2022 to 2023 academic...
Journal of Agricultural Extension and Rural Development
Farmers’ perceptions towards the implementation of agroecological practices for enhancing food availability in Singida Rural District
October-December 2023
This paper delves into the global drive to promote agroecological practices, which have been widely acknowledged for their diverse economic, social, and environmental benefits. Yet, a critical gap persists in our understanding on the impact of these practices on food availability from the perspective of farmers. Our study focuses on farmers' perceptions regarding the role of agroecological practices in enhancing...
Journal of Medicinal Plants Research
Genipa americana fruit ethanolic extract in the control of environmental infecting agents
November, 2023
The choice of substances that are not harmful to man and the environment is a priority in the production of sanitizing products. The aim of this study was to evaluate the disinfectant action and biofilm biomass reduction of the ethanolic extract of Genipa americana fruit. The extract disinfectant efficacy was assessed by modified Kelsey-Sykes, solid surface, and use-dilution methods. Also, the ability of the extract to...
Journal of Economics and International Finance
Global economic policy uncertainty, oil shocks and volatility in some Southern African Development Community stock markets: A GARCH-MIDAS approach
October-December 2023
This study investigates the effects of global economic policy uncertainty and oil shocks on stock market volatility in Botswana, Mauritius, and South Africa. Datasets from periods preceding and during the COVID-19 pandemic are utilized to provide evidence on the impact of global economic policy uncertainty (GEPU) and oil shocks on stock returns volatility in these countries. The examination employs a mixed data sampling...
Journal of Development and Agricultural Economics
Assessing the determinants of farm households’ choice of livelihood diversification strategies in Sub Zoba Debarwa, Eritrea
October-December 2023
Smallholder rural farm households face increasing pressure to diversify their livelihood strategies to supplement their meager and unstable agricultural productivity. The objective of the study was to assess the determinants of smallholder rural farm households’ choice of livelihood diversification strategies in sub-Zoba Debarwa, Zoba Debub, and Eritrea. Data were collected from 201 randomly selected rural...
Journal of Veterinary Medicine and Animal Health
A cross-sectional study on gastrointestinal parasitism in dromedary camel calves in Isiolo County, Kenya
October-December 2023
A cross-sectional study was carried out to determine the prevalence and risk factors associated with gastrointestinal parasitism in dromedary camel calves in Isiolo County, Kenya. Data on farm- and calf- levels were collected through semi-structured questionnaires. The calves were examined, and a faecal sample was collected per rectum for laboratory analysis. The gastrointestinal parasite eggs and oocysts were estimated...
International Journal of Biodiversity and Conservation
Effect of density and management of oil palm plantations on the avifauna of Southeastern Sierra Leone
October-December 2023
Oil palm (Elaeis guineensis) is a tropical perennial plant that provides most of the vegetable oil traded internationally. Although native to Africa, oil palm is grown throughout the humid tropics, and the largest producers are now in Southeast Asia. In many regions of cultivation, oil palm has been identified as a leading cause of deforestation and biodiversity loss. In Sierra Leone, oil palm grows wild in secondary...
Journal of Ecology and The Natural Environment
Stakeholder perceptions of wetlands management effectiveness in Cameroon
October-December 2023
Wetland ecosystems and the fisheries that depend on them are vital to the survival of million individuals in poor nations. Although this habitat is contracting because of heavy pressure brought on by the expansion of the population and the increase of human activity in Cameroon. Yet it is crucial to evaluate the management practices used to ensure its durability. In this study, we look into wetland stakeholders'...
Journal of Public Health and Epidemiology
Employing an Eigenfunction Eigendecomposition algorithm to cartographically and statistically delineate traffic-related carbon monoxide pollution in Hillsborough County, Florida
October-December 2023
The traffic-related carbon monoxide (CO) pollution in Hillsborough County, Florida, has yet to be analyzed with high-resolution satellite data or algorithmic geo-spatiotemporal autocorrelation methods. This study aims to detect the association between traffic volume and CO pollution in Hillsborough County in 2022. It is hypothesized that daytime outdoor CO pollution positively correlates with traffic volume....
African Journal of Pharmacy and Pharmacology
Pharmacotherapeutics of cerebrovascular accidents in the medical intensive care unit of the Abidjan Cardiology Institute (Ivory Coast)
November 2023
Stroke is responsible for 52% of vascular deaths in Africa, compared to 38% in Europe. A rigorous and rapid pharmacotherapeutic approach, based on the rational use of drugs, could improve this figure. This work aimed to study the pharmacotherapeutic treatment of strokes in the medical intensive care unit of the Abidjan Cardiology Institute. A retrospective descriptive cross-sectional study carried out on patient records...
International Journal of Library and Information Science
Biobibliometric portrait of Dr. Dilip Mahalanabis, pioneer of oral rehydration solution (ORS), the life-saving solution
July-December 2023
Dr. Dilip Mahalanabis is a medical cum clinician scientist and globally celebrated pediatrician for his epoch-making discovery of ORS (Oral Rehydration Solution) in diarrhea and allied research. He is recognized as the “Father of ORS or Pioneer of ORS.” This biobibliometric study is based on his 233 publications contributed during 1970 to 2022, nearly during 53 years, including service and retirement period...
Journal of Pharmacognosy and Phytotherapy
Determination of in vitro thrombolytic activity in isolated flavonoids of plant Madras Nelli
October-December 2023
The study is regarded for standardization of aerial parts of the plant Phyllanthus maderaspatensis L., phytochemical investigations, isolation of flavonoids and evaluation for thrombolytic activity of alcoholic extract and butanolic fraction of alcoholic extract. Standardization study includes macroscopy, microscopy and determination of proximate values and phytochemical investigations include extraction of coarsely...
African Journal of Health Sciences and Technology
Factors determining adherence to follow-up care for the prevention of mother-to-child transmission of HIV among pregnant women in Cross River State, Nigeria
November 2023
Adherence to the prevention of mother-to-child transmission of HIV in developing countries faces several barriers. The aim of the study is to identify factors determining adherence to follow-up care in the prevention of mother-to-child transmission among pregnant women living with HIV in Cross River State, Nigeria. It is a cross-sectional study applying systematic sampling techniques among antenatal attendees living...
Journal of Geology and Mining Research
Direction of material creep during the deformation phase in shear zones, role in mining prospecting: A case of the Nassara-Torkera gold deposits in the Gaoua region, Burkina Faso, West Africa
October-December, 2023
Mineralization at the Nassara and Torkera gold deposits is situated at the contact between volcanic rocks (basalt-andesite) and volcanosedimentary rocks (pyroclastite, black shale) within the echelon faults of the large West Batié shear zone (WBZ). Along the mineralized body, shear deformation is intense, accompanied by significant hydrothermal fluid circulation. The objective of this study is to determine the...
African Journal of Biotechnology
Assessment of the stability and genotype-environment interaction of a spider plant (Cleome gynandra L.) collection in Burkina Faso: Application of the AMMI and GGE models
November 2023
Spider plant, Cleome gynandra L (Cleomaceae) is an important traditional leafy vegetable in Burkina Faso diets. Due to its high nutritional value and medicinal properties, it is a good dietary supplement for combating nutritional deficiencies and certain degenerative diseases. However, the lack of quality seeds and poor agronomic performance are limitations to crop improvement. The aim of the present study was to...
Journal of Civil Engineering and Construction Technology
The effect of curing condition and use of additives on compressive strength of lime/pozzolana mortar
July-December, 2023
Previous studies have shown that the obsidian pozzolana of the Sabaloka area processes a high pozzolana index. Therefore, it was chosen to study the effect of its curing condition and use of additives on the compressive strength of lime pozzolana mortar. The investigation revealed that the strength of pozzolana mortar is affected positively or increases with the curing condition (humidity, time, and temperature); also...
Journal of Soil Science and Environmental Management
Response of rainfall variability on the evolution of the vegetative cycle in the Chari-Logone basin (Lake Chad basin)
October-December, 2023
The Chari-Logone Basin (CLB), encompassing 610,000 km2 as the hydrologically active segment of the Lake Chad basin, is the focal point of this study aiming to characterize the evolution of vegetation cover in response to rainfall. The primary focus relies on spatialized precipitation and NDVI data. Analysis of these spatial rainfall data reveals trends that predominantly align with a south-north gradient typical of the...
Journal of Medicinal Plants Research
Phytochemicals properties of Carica papaya Linn seeds’ essential oil and their antifungal and antibacterial activities
November, 2023
Carica papaya seeds have been used as traditional medicine. This study aims to determine the phytochemicals of papaya seeds essential oils their antimicrobial properties. Polyphenolic content and antioxidant properties were determined with standard methods. GC-MS was used to analyze chemical compounds. Antimicrobial properties were performed using agar diffusion method. MICs, MBCs and MFCs were established based on...
African Journal of Microbiology Research
Evaluation of the impact of the efflux pump modulation process on the anti-adhesion and antibiofilm activities of analogues of natural marine compounds in a marine bacterium
November 2023
One strategy for enhancing the effect of natural marine antifouling compounds has been to combine them with coumarin-type molecules (VL2, VL17 and VL19). These molecules are known to have an inhibitory effect on the efflux pumps (EP) of a large number of Gram-negative bacteria. To this end, they have been used as adjuvants to natural marine compounds (OB1, AS194 and AS162) to enhance their antibiofilm activity. On the...
African Journal of Environmental Science and Technology
The application of composting materials to degrade polycyclic aromatic hydrocarbon on oil field drill cuttings
November 2023
The potential effects of using poultry droppings and mushroom substrate, either alone or in combination, as amendments or nutrient supplements for hydrocarbon biodegradation were investigated in this study. The rates of biodegradation of drill cuttings were studied over remediation periods of 4 and 8 weeks under laboratory conditions. The concentrations of polycyclic aromatic hydrocarbons (PAHs) in untreated drill...
Journal of AIDS and HIV Research
Validation of women abuse screening tool (WAST-S) in the Mozambique National Health Service (significance for HIV prevention and ART treatment Adherence): A quasi-experimental crossover study
July-December 2023
Intimate partner violence (IPV), includes a wide range of abusive behaviors perpetrated by someone involved or who was involved in an intimate relationship with the victim. It is a serious and preventable public health problem globally. This article reports on the validation of an adaptation of the Women Abuse Screening Tool (WAST-S) in Mozambique and recommends its application for more effective prevention and ART...
International Journal of Peace and Development Studies
Internationalization of Post-1991 political reform-induced ethnic conflicts, cross-border contraband trade and human trafficking in eastern Ethiopia
July-December 2023
The political changes in Ethiopia after 1991 created a context for the dynamics of ethnic conflicts, changes in local contraband trade to cross-border trade, and women trafficking, affecting social norms and leading to intersectional impacts on women and girls in eastern Ethiopia. Previous studies have primarily focused on dimensions of ethnic conflicts within a specific geographical location (territory) and their links...
International NGO Journal
The elephant in the room: Understanding recruitment pitfalls in NGOs
July-December 2023
This commentary can be considered as an appeal to the leaders of humanitarian aid and developmental organizations (commonly referred to as Non-Governmental Organizations or NGOs) to critically reflect on the existing recruitment process and take corrective measures to address a number of grave concerns. The paper argues that the recruitment process is now often power-centric, which not only provides limited space for...
African Journal of Agricultural Research
Market value chain of honey production in Northern Ethiopia
November, 2023
Farm commodities that are grown to sell for profit and purchased by parties separate from a farm are seen as cash crops. Coffee, cotton, and honey are produced for sale in South and Western Ethiopia. As honey emerged as a cash commodity, farmers in Northern Ethiopia became involved in honey production as an income source. Studies on honey production have focused on central, south, and western Ethiopia. Northern and...
African Journal of Agricultural Research
Comparative analysis of immediate and residual effects of farmyard manure, triple superphosphate, and lime on maize yields in western Kenya
November, 2023
The effects of farmyard manure (FYM) and triple superphosphate (TSP) as sources of phosphorus, when applied with or without lime, on selected soil chemical properties, and the initial and residual maize yields, were compared for two consecutive seasons at two acidic, phosphorus-deficient sites, Khwisero and Maseno, in western Kenya. Nutrient inputs, consisting of two sources of phosphorus: TSP and FYM, applied as sole...
African Journal of Business Management
Perceived performance in creative and cultural entrepreneurship: A lecture of music industry entrepreneurs in Cameroon
November
The aim of this study is to shed light on the performance criteria used by cultural entrepreneurs, specifically those in the music industry in the Cameroonian context. Adopting a qualitative multiple-case study approach, semi-structured interviews were conducted with a sample of 14 music industry entrepreneurs selected using the reasoned choice method. Analysis of these entrepreneurs' discourse using Nvivo 10...
International Journal of Physical Sciences
Contribution of solar quiet (Sq) daily current variations to the deep earth conductivity within the Southern African Region
October-December, 2023
This work focuses on determining the source current systems by applying the method of spherical harmonic analysis (SHA) to geomagnetic field data obtained from ground measurements. The objectives are to establish the mantle conductivity-depth profile and to compare the results of the profiles from four stations with other research findings. The study utilizes magnetometer data obtained for the year 2011 from geomagnetic...
African Journal of Biotechnology
Dynamics of the vaginal microbiome during the menstrual cycle of HIV positive and negative women in a sub-urban population of Kenya
November 2023
Vaginal microbiome (VM) is dominated by Lactobacillus for maintenance of vaginal health. The objective of this study was to characterize changes in the VM during the menstrual cycle of HIV positive (HIV+) and HIV negative (HIV-) women in a sub-urban population of Kenya. In this longitudinal study of 38 women-20 HIV+,18 HIV-high vaginal swabs were for genomic DNA and Gram stain and quantitative PCR (qPCR). qPCR nested on...
African Journal of Biotechnology
An optimized protocol for in vitro regeneration of tropical maize inbred lines through cell suspension and semi-protoplast cultures
October 2023
Maize being an important staple food crop is widely consumed in Kenya but its production remains low due to biotic and abiotic challenges that have not been addressed sufficiently through conventional breeding. This study sought to optimize the establishment of cell suspension and protoplast cultures for 10 tropical inbred maize genotypes in order to identify genotypes that can readily establish in liquid cultures and...
International NGO Journal
Impact of adolescent engagement in sexual and reproductive health program outcomes in Northern Ethiopia
July-December 2023
Adolescent engagement in sexual and reproductive health (SRH) programs is mentioned both as reproductive right and a solution to reducing SRH burdens on adolescent youths in a society. However, in practice, due to gaps in monitoring, evaluation, and the reassessment of program interventions, significant policy and program gaps in sexual and reproductive health (SRH) persist. The factors for these include insufficient...
International NGO Journal
Impact of productive safety net program on household food security in Southern Ethiopia: Propensity score matching results
July-December 2023
The study analyzed the impact of productive safety net program (PSNP) on household food security in drought-prone areas of Southern Ethiopia. A cross-sectional survey data were collected from 180 randomly sampled households. The study analyzed descriptive and logit econometric model data results. A propensity score matching (PSM) technique was used to estimate the inferential data results. The study findings show that...
African Journal of Microbiology Research
Effect of sanitizers combined with ultrasound on adhesion of microorganisms isolated from fish from the Amazon region
October 2023
Attachment of undesirable microorganisms to surfaces that contact food is a source of concern, since it can result in product contamination leading to serious economic and health problems. Bacteria aggregated to form biofilms are more resistant to environmental stress than planktonic cells. The objective of this paper was to evaluate the bactericidal effect of sodium hypochlorite and peracetic acid associated with...
African Journal of Microbiology Research
Molecular detection of pathogenic Leptospira from cattle in peri-urban areas of Addis Ababa, Ethiopia
October 2023
Leptospirosis is a bacterial, zoonotic disease caused by pathogenic Leptospira. Rodents are known to carry pathogenic Leptospira, but livestock are also important hosts. The disease is economically important in cattle, causing abortion, decreased fertility and decline in milk yield. Pathogenic Leptospira are shed in cattle urine and can survive in the environment. Only a few studies have been performed in Ethiopia to...
Journal of Plant Breeding and Crop Science
Targeting and mapping resistance to Cercospora sojina in two elite soybean (Glycine max L.) populations
October-December 2023
Frogeye Leaf Spot (FLS) is a soybean disease caused by the fungus Cercospora sojina. It is distinctly signified by red-brown circular lesions on the leaves that can move to the stems, pods, and seeds in severe infections. QoI inhibitor fungicides had been priorly used to control C. sojina, but resistance was quickly developed. Without adequate control, yield can be reduced to 40% when environmental conditions are...
African Journal of Agricultural Research
Evaluation of soil fertility status in the Kyoga Basin of Uganda: A physio-chemical study in Buyende and Serere districts
October, 2023
Nutrients present in the soil are important elements required for the healthy growth of plants. This study, therefore, sought to examine the physio-chemical properties of soils in Buyende and Serere districts, in the Kyoga basin, Uganda. Using soil auger, soil samples were purposively picked from Serere (23) and Buyende (17) districts at depth of (0-25 cm). Routine soil analysis was done for the macro soil...
African Journal of Biotechnology
Screening extracts of fungal endophytes isolated from Allophylus abyssinicus (Hochst. Radlk.) for control of bean anthracnose
October 2023
Common bean is consumed in large quantities globally but it is highly susceptible to Colletotrichum lindemuthianum, leading to 90 to 100% yield losses. This study investigated the bioactivity of secondary metabolites from Allophylus abyssinicus fungal endophytes against C. lindemuthianum, causing bean anthracnose. A total of 37 fungal endophytes were isolated from the leaves, bark and roots of A. abyssinicus and 20%...
African Journal of Biotechnology
Quality evaluation of low free fatty acid and high free fatty acid crude palm oil and variation of total fatty matter and fatty acid composition in Nigerian palm oil
October 2023
Quality of palm oil determines its consumer and market acceptability and price. This correlates directly to its moisture (%), free fatty acid (% FFA) and total fatty matter (%TFM) content. The aim of the present study was to evaluate the quality of low free fatty acid (LFFA) and high free fatty acid (HFFA) crude palm oil (CPO) samples aged 5 to 10 days, purchased from four locations in Southern Nigeria. HFFA CPO is...
Medical Case Studies
Reactivation of tuberculosis in Covid-19 infected patient: Case report
July-December 2023
Tuberculous meningitis is a severe manifestation of extrapulmonary tuberculosis, often associated with substantial morbidity and mortality. This case report discusses a unique presentation of tuberculous meningitis in a 39-year-old male who was concurrently positive for COVID-19. The patient initially presented with symptoms of COVID-19, including fatigue, fever, and respiratory distress. However, subsequent...
African Journal of Biotechnology
Effects of sound waves on conidiospores of Aspergillus oryzae strain RIB40 and characterization of the enzyme activity of rice–koji
October 2023
It was reported that the glucoamylase activity of rice-koji prepared with sound-irradiated conidiospores of yellow-koji, Aspergillus oryzae, at 16 kHz was decreased as compared with that of conidiospores that had not been sound irradiated. To reveal why the glucoamylase activity was changed, we observed the changes of the expression level of glaB encoding glucoamylase. We also determined to observe how the germination...
Page 2 of 1263, showing 50 records out of 63150 total, starting on record 51, ending on 100
