Articles
Page 7 of 1221, showing 50 records out of 61050 total, starting on record 301, ending on 350
International Journal of Physical Sciences
Adsorption and thermodynamic studies of the corrosion inhibition effect of Rosmarinus officinalis L. leaves on aluminium alloy in 0.25 M HCl and effect of an external magnetic field
April-June, 2021
The corrosion inhibition of Aluminium alloy AA8011 in 0.25 M hydrochloric acid solution by Rosmarinus officinalis L. (rosemary) leaves extract was studied using the gravimetric technique at 303, 313, 323 and 333K, and in the presence of an external magnetic field. The study reveals that the methanolic extract of rosemary leaves inhibits corrosion of Al in 0.25 M HCl. The inhibition efficiency was found to increase with...
African Journal of Biotechnology
A rapid detection method on-site for Zygosaccharomyces based on loop-mediated isothermal amplification (LAMP) combined with a lateral flow dipstick (LFD)
May 2021
The Zygosaccharomyces is notorious for its remarkable spoilage characteristics. In the present study, the visual and rapid identification of the genus Zygosaccharomyces was performed by a loop-mediated isothermal amplification (LAMP) assay using specific primers in Mini Dry Bath within 30 min at 65°C followed by a lateral flow dipstick (LFD) detection. The sensitivity evaluation revealed LAMP-LFD assay with...
African Journal of Environmental Science and Technology
Determinants of climate change adaptation and perceptions among small-scale farmers of Embu County, Eastern Kenya
April 2021
Climate change threatens the livelihoods of millions of small-scale farmers in East Africa. How farmers perceive climate change and its impacts has a strong bearing on how they adapt to the adverse impacts. This paper focused on factors that determine climate change adaptation and perceptions among small-scale farmers of Embu County. A survey was carried out across five sub-counties of Embu County where a multi-stage...
Journal of Ecology and The Natural Environment
Is Faurea rochetiana a potential candidate for Dendroclimate studies? Wood samples from semi-arid woodlands of southern Ethiopia
April-June 2021
Sustainable management of economically and ecologically important tree species such as Faurea rochetiana merely depend on acquiring reliable information on growth dynamics and structure in response to the changing climate. Formation of the growth ring boundaries is pre-requisite for conducting several denroclimatology studies. Hence, the objective was to verify the formation of growth ring boundaries of F. rochetiana....
African Journal of Agricultural Research
Water stress affects the physio-morphological development of tomato growth
May, 2021
This study aimed to differentiate and identify the best soil field capacity for good plant growth and optimization of yield. Tomato is an herbaceous crop that needs an adequate amount of water for growth and yield optimization. This experiment was conducted in pots in a greenhouse to examine the effect of water stress on the growth, yield, and shelf-life of five tomato varieties namely Padma F1, Cobra F1, Symbal F1,...
African Journal of Plant Science
Improvement of the kola tree cuttings root (Cola nitida) in nursery by removing the terminal bud of the semi-lignified plagiotropic cuttings
May 2021
The influence of the terminal bud treatment and genotype on the cutting of plagiotropic semi-lignified kola tree cuttings was studied with the aim of vegetative propagation. Two dressing modes cuttings (B1: Presence of terminal bud and B2: Absence of terminal bud) were tested on three genotypes (D9L20A3, 315 and 323) in a split-plot design with the genotype in the large plot and the cutting dressing mode in the small...
African Journal of Microbiology Research
Role of mass gatherings in transmission of respiratory tract infections caused by Haemophilus influenzae
May 2021
Respiratory infection is one of the infections that can be transmitted in closed places due to the ease of transmission of pathogens from infected people to healthy people through droplets from coughing and sneezing, among these bacterial causes, Haemophilus influenza. Therefore, this study aimed to evaluate the prevalence of this type of bacteria among pilgrims coming from different geographical locations in the world...
African Journal of Agricultural Research
Evaluation of the physiological quality of quinoa seeds
May, 2021
The variations in seed quality and scarcity vigor studies have been limiting factors in crop establishment at different regions of its Andes origin. The present study aimed to evaluate the physiological quality of quinoa seeds, from cultivars of Brazil, Colombia and Ecuador. The research was conducted in the Seeds Technology Laboratory of the University of Brasília, Brazil, through the tests of germination,...
Journal of Cancer Research and Experimental Oncology
Assessment of alternative approaches of primary cervical cancer screening among women in low-income environments
January-June 2021
Alternative techniques for detecting cancer of the cervix uteri alongside its early precancerous lesions still remain necessary for low income environments since morbidity and mortality due to cervical cancer continues to be on the rise. We recruited one thousand and seventy-seven women aged 15-55 years from selected study hospitals in Eastern Uganda and examined them using Papanicolaou (Pap) smear, direct visual...
Journal of Internet and Information Systems
Use of social media in migration decision making
January-June 2021
The use of social media in migration decision making has attracted the attention of researchers in recent works. The current study investigated the influence of social media on decisions by migrants to move from their hometowns to the city. Their use of social media for integration activities in the city and the methods they use to connect with their family and friends back home were also studied. A survey was used to...
Journal of Parasitology and Vector Biology
Community implementation of human landing and non-human landing collection methods for Wuchereria bancrofti vectors
January-June 2021
In the drive towards elimination of lymphatic filariasis, enhanced surveillance of vector mosquitoes requires sound sampling methods which can be easily implemented and accepted by communities. Several tools have been validated as alternatives to human landing catches (HLC) for this purpose, but little is known about their effectiveness compared to HLC in terms of the vector density patterns. This study aimed at...
African Journal of Medical and Health Sciences
Prevalence of diaper rash and associated factors among babies aged 0 to 24 months in Adama Administrative City, Central Ethiopia: A cross sectional study
May 2021
The objective of this study was to assess the prevalence of diaper rash and identify associated factors with diaper rash among children between 0 and 24 months of age in Adama Ethiopia. A cross-sectional study was conducted with mothers using structured questionaries during face to face interview to assess risk factors associated with diaper rash. Data were analyzed using SPSS version 21 and Chi-square test was used to...
African Journal of Business Management
Sustainable entrepreneurship of small businesses in Uganda: A confirmatory factor analysis
May 2021
This paper examines specific constructs for sustainable entrepreneurship as perceived in the Ugandan context using confirmatory factor analysis. This study is cross-sectional. Data were collected through a face to face survey of 384 small businesses in Kampala selected through stratified and simple random sampling. Data were analyzed through exploratory factor analysis (EFA), confirmatory factor analysis (CFA) and...
Journal of Economics and International Finance
Do disaggregated manufacturing sectors matter in Nigeria’s economic growth: VECM approach?
April-June 2021
The research used vector autoregressive (VAR) and the vector error correction mechanism (VECM) technique to see whether disaggregated manufacturing sectors had any effect on Nigeria's economic growth over the last 49 years (1970-2018). The productivity of the oil refining subsector is an effective tool for economic growth, according to empirical findings; the coefficient is positive and meaningful in the short run...
Journal of Public Health and Epidemiology
Prevalence and correlates of physical health conditions in Jamaica and Guyana
April-June 2021
The increasing prevalence of non-communicable diseases remains an important source of concern in the Caribbean and Latin American regions. This study examines rates and the associated socio-demographic correlates of physical health indicators in Jamaica and Guyana. Area probability cross-sectional data were collected on 1,218 Jamaicans and 2,068 Guyanese participants in 2005. Physician- diagnosed hypertension, diabetes...
African Journal of Biotechnology
Synthesis, characterization and antibacterial activity of AgNPS mediated by Ocimum sanctum
May 2021
This research focused on isolation of Silver Nano Particles (AgNPs) using leaf filtrate of Ocimum sanctum and evaluation of their antibacterial action against Bacillus aureus, Staphylococcus aureus and Escherichia coli. It is known that plant extracts act as reducing agents, stabilizers and as capping agents. The O. sanctum plant was specifically selected due to its medicinal properties and abundant availability. The...
African Journal of Agricultural Research
Factors influencing seed germination of Calycotome villosa (Poir.) Link. (Fabaceae) from Southern Tunisia
May, 2021
As typical arid vegetation, Calycotome villosa is an annual herb playing an important role in folk medicine. In this research, the influences of temperature and salinity on germination of C. villosa seeds gotten from southern Tunisia were investigated. The germination responses of the seeds in total darkness were determined over an extensive array of temperatures (5, 10, 15, 20, 25, 30, 35 and 40°C) as well as...
Journal of Media and Communication Studies
Teaching the holocaust through digital heritage, experiential and project-based learning: Finding Matilda- A documentary by students, about a student, for students
April-June 2021
Recent research has reported that two-thirds of American Generation Z has vague knowledge of the genocide of World War II. Twenty-two percent of millennials said that they have never heard of the Holocaust or were just not sure. Armed with this knowledge we set out to create a project, a documentary, to help students better understand this horrifying part of our history on terms that they can identify with. This...
Educational Research and Reviews
A resource recommendation for improving musical expression and narration in piano education: An examination of loeschhorn op. 65 etudes
May 2021
This current study primarily focuses on the contribution of the etudes, which have a significant role in piano education, to musical expression and narration improvement. Starting from this point of view, Op. 65 etudes by Albert Loeschhorn which were released as studies for improving technical and musical expression and with the aim of being used in different stages of piano education were investigated. According to...
Journal of Ecology and The Natural Environment
Analysis of fuelwood utilisation and existing reforestation strategy on local biodiversity in Northern Plateau State, Nigeria
April-June 2021
Unsustainable fuel wood utilisation and poorly articulated habitat reforestation strategy could pose serious threats to the survival of animal species. However, few areas have provided the opportunity to compare the twin effects of these factors on local biodiversity which may be useful for shaping conservation strategies at local levels. Thus, this study examined utilization patterns of plant species used for fuelwood...
Journal of Infectious Diseases and Immunity
Toxoplasma gondii: Deeper understanding of epidemiology, virulence and pathophysiology enhances diagnosis and informs vaccine design
January-June 2021
Toxoplasma gondii is an extremely widespread intracellular obligate parasite that infects both animals and birds. This protozoan pathogen usually causes asymptomatic infection in humans but can cause significant disease in congenitally infected infants, immunodeficient patients and occasionally in immunocompetent individuals. In the complex life cycle of T. gondii, sexual development occurs uniquely in felines whereas...
African Journal of Pharmacy and Pharmacology
Quality assessment of frequently available mother tinctures in the market by employing standard values
April, 2021
As general awareness for using herbal drugs in today’s health practice is increasing, the world is endorsing extraordinary increase in the consumption of herbal products. This increase in the demand has led to consumers’ dissatisfaction due to substandard products, making the herbal market risky. There is need to set standard that will help to evaluate herbal drugs to ensure formulation of high quality...
African Journal of Food Science
Bio-based packaging used in food processing: A critical review
April 2021
Food packaging plays an important role in ensuring the global quality of the food consumed by people. Technological progress has been achieved in recent years in the food packaging sector, leading to a great diversity of food packaging, including bio-based packaging. This review highlights the different types of biodegradable polymers that are used for food packaging production, their characteristics and effects on food...
Journal of Plant Breeding and Crop Science
Morphological and microsatellite characterization of improved Lablab purpureus genotypes
April-June 2021
Lablab purpureus is a multipurpose legume mainly grown by subsistence farmers for pulse, forage and vegetable. Despite these diverse uses that can be combined successfully under various agronomic conditions, the bean has not been extensively exploited. Dolichos production in Kenya is constrained by low yielding varieties, pests, poor growing techniques and varieties with non-preferred taste and flavor. A study to...
African Journal of Agricultural Research
Evaluation of the on-farm dairy technologies in Ethiopia: A review
April, 2021
The objective of this review is to provide an overview of the major achievements of on-farm dairy technologies in Ethiopia by reviewing a variety of documents from proceedings, articles, journals, and original research papers. Following the on-station generation and evaluation of dairy technologies, on-farm participatory verification of improved dairy cattle production packages has started. Since then, there are...
International Journal of Water Resources and Environmental Engineering
Intensity duration frequency relationship of maximum rainfall in a data scarce urbanized environment: A case study of the Guma Catchment in Sierra Leone
April-June, 2021
Rainfall intensity for a particular frequency and duration is one of the most important parameter for the hydrologic design of dam, reservoirs, storm sewers, culverts and many other hydraulic structures. This can be obtained from Intensity-Duration-Frequency (IDF) relationship, which is determined by frequency analysis of rainfall data. The goal of this research is to develop rainfall intensity-duration frequency...
Journal of Accounting and Taxation
Economy-wide impact of tax reform in Ethiopia: A recursive dynamic general equilibrium model
April-June 2021
This paper examined the macroeconomic influence of tax reform on the Ethiopian economy using the Dynamic Computable General Equilibrium model. It utilized the updated 2009/2010 Ethiopian Social Accounting Matrix (SAM) from 2005/2006 developed by Ethiopian Development Research Institute (EDRI). To investigate the impact of tax reform on the Ethiopian economy, different simulations were made turn by turn. First, a...
Journal of Accounting and Taxation
The influence of mental accounting, perceived trust and power of revenue authorities on tax compliance among SMEs in Zimbabwe
April-June 2021
This study is done against a background of perennial negative variances between the projected and actual tax collections in Zimbabwe. Studies that look at the influence of mental accounting, perceived trust and power of tax authorities on tax compliance seem to be lacking in Africa. The target population comprise of self-employed tax payers because these currently comprise the highest form of employment among...
International Journal of Peace and Development Studies
The post genocide reconciliation in Rwanda: Erasing ethnicity and building citizenship
January-June 2021
The Rwandan genocide, seen as the result of years of ethnic antagonization and segmentation, was followed by a political effort leading to the restructuration of Rwandan national identity in order to unify the society and eventually achieve national reconciliation. By implementing measures such as the removal of ethnic affiliation on national identity documents, or by reforming the national education curriculum, the...
African Journal of Pharmacy and Pharmacology
Knowledge of hypertension and diabetes comorbid patients about their medication in a municipal hospital in Ghana
April, 2021
Patients with hypertension and diabetes co-morbidity may have medication knowledge and therapy challenges that could impact on patients’ outcomes. The study examines knowledge of medication and therapy among hypertension and Type-2- diabetes mellitus co-morbid patients at a Municipal hospital in Ghana. This study was conducted at the medical outpatient department (OPD) of the Municipal Hospital in Tema (a Harbour...
International Journal of Livestock Production
Grazing behavior, growth performance, carcass yield and economic analysis of steers supplemented with concentrate in an integrated crop-livestock system
April-June 2021
This trial evaluated concentrate supplementation on grazing behavior, growth performance, carcass yield and economic analysis of off-season steer production in an integrated crop-livestock system (ICL). A randomized block design with the pastures (modules) as blocks, with 4 treatments, 4 groups of animals per treatment and 3 animals per group (N=48, 395±16 kg) was used to evaluate increasing levels of concentrate...
African Journal of Medical and Health Sciences
Birth injuries in newborn: A prospective study of deliveries in South-East Nigeria
April 2021
Birth injury is an important cause of short and long-term deformity and disability in children. It is becoming an increasing source of litigation in developing countries. Exploring the magnitude of the problem in a resource-limited setting, and, identifying associated factors, will help reduce its occurrence. This surveillance for birth injuries is a 4-year prospective study conducted in the Enugu State University...
Medical Case Studies
A case report of medulloblastoma in the cerebellopontine angle in 1-year old child
January-December 2021
Medulloblastomas (MB) are malignant embryonic neuroepithelial tumors of the cerebellum, accounting for 25% of primary tumors of the Central Nervous System of childhood, which predominantly grow in the cerebellar vermis and hardly in the cerebellopontine angle (CPA). The study aims to report the surgical management of a childhood medulloblastoma in CPA. The author reports the case of a 1-year-old male child who initially...
Journal of Veterinary Medicine and Animal Health
Prevalence, effects and alternative control methods of Haemonchus contortus in small ruminants: A review
April-June 2021
Small ruminants farming is a traditional activity mostly practiced by local populations in developing countries since several centuries. Nowadays, due to many biotic and climatic factors, it faces various problems which damage smallholders’ income especially those related to gastrointestinal parasites. In opposite to the chemical drugs use in controlling those parasites, medicinal plants have been investigated...
African Journal of Biotechnology
Molecular characterization of bacteria strians isolated from “JIKO”: A herbal preparation consumed in some parts of Kaduna metropolis, Nigeria
April 2021
Herbal products are considered as phytomedicines which are used as complementary medicine and without adequate monitoring they are leased straightaway into the market. Preparation, transportation and handling of these products can lead to high microbial contamination which can be harmful to human health. The aim of this research was to molecularly characterize some multiple resistance bacteria obtained from JIKO which...
Journal of Pharmacognosy and Phytotherapy
Green synthesis of silver nanoparticles through reduction with Euphorbia nivulia Buch.-Ham., stem bark extract: Characterization and antimicrobial activity
April-June 2021
Nanoparticles, because of their diversified applications in the field of modern medicine, have gained a lot of importance thrust area. In the present investigation, synthesis and characterization of Silver nanoparticles (AgNPs) and their antimicrobial effect on certain pathogenic bacteria were studied. AgNPs were prepared by green synthesis process using stem extract of Euphorbia nivulia, from 1 mM AgNO3 solution. The...
International Journal of Water Resources and Environmental Engineering
Water supply interruptions in Umzinto Water System: Ugu District, South Africa
April-June, 2021
The Constitution of the Republic of South Africa states that all citizens have a right to access adequate food and water. However, water services provision has remained one of the biggest challenges faced by most municipalities. The Umzinto water supply system under the auspices of the Ugu District Municipality (Ugu DM) was selected as the study area to evaluate the water supply interruption frequency. Data range for...
Journal of Accounting and Taxation
The COVID-19 and earnings management: China’s evidence
April-June 2021
This study investigated the relationship between the COVID-19 outbreak and the Chinese listed firms’ earnings management practices. It also examined how this relationship was moderated by the Chinese listed firms’ corporate social responsibility (CSR) and the external corporate governance mechanism. The data in this study were mainly retrieved from the China Stock Market and Accounting Research (CSMAR)...
African Journal of Food Science
Application of wedge fracture test for texture analysis in boiled sweetpotato (Ipomoea batatas)
April 2021
Several instrumental texture analysis methods have been developed for use in sweetpotato. However, there are very few reports on the use of the wedge fracture test. The purpose of the study was to develop a texture analysis method using a wedge fracture and evaluate its performance against compression test in assessing sweetpotato varieties with different cooking times. The optimal cooking time (OCT) of five sweetpotato...
International Journal of Livestock Production
Goat farmers’ production objectives and trait preferences in the North West province of South Africa: An approach to identify selection criteria for community-based breeding program
April-June 2021
Breeding practices and trait preferences are key to defining sound breeding objectives and designing genetic improvement programs at community level. The current study identifies these factors for village goats within a pilot community-based breeding program in Pella village, North West province, South Africa. Thirty-five farmers were interviewed using semi-structured questionnaire survey to characterize goat...
Journal of Soil Science and Environmental Management
Effect of agricultural machinery on physical and hydraulic properties of agricultural soils
April-June 2021
The study assessed effect of farm machinery on both physical and hydraulic properties of agricultural soils used for rice cultivation in northern Ghana. Two tractor models were used for the field experiment with field tests and soil sampling points classified as tractor tyre passage area (TTPA), ploughed area (PA) and unploughed area (UPA). The study used Randomised Complete Block Design (RCBD) with 3 blocks, 3...
African Journal of Food Science
Nutrient and mineral components of wild edible mushrooms from the Kilum-Ijim forest, Cameroon
April 2021
Kilum-Ijim forest is a montane forest in the North West Region of Cameroon. Wild edible mushrooms are mostly consumed by the communities of Kilum-Ijim as substitute of meat to obtain protein, hence the need to evaluate the nutrient and mineral components of the species consumed in these communities. The most eight preferred wild mushroom species from ethnomycological studies are: Polyporus tenuiculus, Termitomyces...
Journal of Pharmacognosy and Phytotherapy
Quality control standardization and evaluation of the anti-inflammatory and antipyretic effects of the leaves and stem bark of Amphimas pterocarpoides harms (Leguminosae)
April-June 2021
Amphimas pterocarpoides is used traditionally for the treatment of oedema, infections, malaria and skin diseases. This study described pharmacognostic and physicochemical parameters of the leaf and stem bark. The carrageenan-induced foot oedema and the baker’s yeast-induced pyrexia were used to assess the anti-inflammatory and antipyretic activities respectively. The leaf of A. pterocarpoides is oddly pinnate...
African Journal of Biotechnology
Isolation and characterization of a novel keratinolytic bacterial strain from soil samples of chicken feather keratinaceous-waste dumping sites of Ngaoundere (Cameroon)
April 2021
This study aims at characterizing new chicken feather-degrading bacteria isolated from soils of keratinic waste collected from four dumping sites of Ngaoundere. Fifteen proteolytic bacteria were isolated with three (D1, D2 and F1) showing the capacity to degrade feather in Basal Salt Media. Highest degradation rate (71.11 ± 3.05%) of feather was obtained from isolate D2 from Municipal slaughterhouse. The partial...
African Journal of Microbiology Research
Bacteriological characteristics and resistance profiles of Vibrio cholerae O1 strains isolated in the Republic of Benin in 2020
April 2021
This study aims to carry out a bacteriological characterization and determine the resistance profile of Vibrio cholerae O1 strains isolated during the epidemiological season of 2020 in Benin. To achieve this goal, 43 diarrheal stool samples were analyzed. The samples were taken during the epidemic period of 2020. Bacteriological analyses consisted of enrichment of the samples in buffered peptone water followed by...
International Journal of Nursing and Midwifery
Unmasking nurses' entrepreneurial potentials: Swot analysis of Nigerian nursing and midwifery act
April-June 2021
Nurses have every capacity to dominate the private healthcare market in Nigeria. However, ignorance, the tradition of seeking for already established jobs in the hospitals mainly, and self-limiting legal impediments of the law establishing nursing and midwifery in Nigeria have not allowed them to recognize this fact. Given the situation of the present-day saturated labor market, getting the nurses to realize their...
African Journal of Microbiology Research
Multidimensional aspects of surgical site infections due to non-tuberculous mycobacteria
April 2021
We read the recent publication on “Surgical site infections” (SSI) by Braga et al. (2021) with great interest. Moreover this paper has sensitized the surgeons, practitioners, microbiologists and quality managers on the need to look for non-tuberculous mycobacteria (NTM) as a cause for SSIs. Though NTM is one another cause for SSIs, and scientific articles and case reports including the present...
Journal of Medicinal Plants Research
Antibacterial effects of the organic crude extracts of freshwater algae of Sulaymaniyah, Kurdistan Region, Iraq
April, 2021
In the recent past, the importance of freshwater algae has grown enormously due to their antibiotic activity against certain species of bacteria known for several disease states like endocarditis, external otitis, skin rash, etc. Also, there is a growing concern among the immunocompromised individuals that they may be susceptible to antibiotics and anti-fungal resistant infections resulting in increased fatality rates....
African Journal of Agricultural Research
Extension training for banana value addition among smallholder farmers in Meru and Tharaka-Nithi counties, Kenya
April, 2021
Extension training is intended to increase the efficiency and performance of the human resource that acts responsibly in a society based on a communication interaction with knowledge sources. The main objective of this study was to assess the effect of training farmers on banana value addition among smallholder farmers in Meru and Tharaka-Nithi counties. The study adopted a pragmatic paradigm and a cross-sectional...
African Journal of Medical and Health Sciences
Salivary gland tumours in the intraoral region: A retrospective study of cases treated in a teaching hospital in North-West Nigeria
April 2021
Tumours of the minor salivary glands occurring in the oral cavity are uncommon. The oral cavity has many tiny salivary glands which occur in the lip, palate, floor of the mouth, cheeks, tongue and pharynx. Tumour could develop from any of these minor salivary glands. We conducted a retrospective study of twenty-four cases of these tumours treated in our Centre over a period of eleven years. The objective of this study...
Page 7 of 1221, showing 50 records out of 61050 total, starting on record 301, ending on 350
