Articles
Page 8 of 1221, showing 50 records out of 61005 total, starting on record 351, ending on 400
April 2021
African Journal of Biotechnology
Composition and balance of the analytical fractionation of desert date (Balanites aegyptiaca L.) seeds harvested in Senegal
The desert date (Balanites aegyptiaca L.) can be one of the most common trees in Senegal. Thus, the objective is to carry out an analytical fractionation of these seeds to consider prospects for valuing the different constituents and a diagram of fractionation processes. The physical characterization of the seeds made it possible to know the fruit-seed and kernel-hull proportions. The chemical composition of the seeds...
April 2021
Journal of Development and Agricultural Economics
Modernization of family farms improves the sustainability of food security for farm households in Burkina Faso
Family farms are poorly modernized in Burkina Faso despite their predominance in the country’s agriculture and their major contribution to national food production. Convincing evidence of the contribution of family farm modernization to food security is needed to support advocacy. This study used data from recent national longitudinal surveys and Cox semi-parametric regression methods to explore the effect of...
April 2021
Journal of Public Health and Epidemiology
Factors associated with chronic respiratory disorders in the saleswomen working near Dantokpa’s market highways in Cotonou, Benin
Sales around roads, a common activity mainly carried out by women in African urban areas, expose these later to outdoor air pollution (OAP), leading to chronic respiratory diseases (CRD). This research aims at studying associated factors with CRD among these professionals. A cross-sectional, analytical study was conducted among 396 saleswomen working on the outskirts of the main track of Dantokpa’s market in...
April 2021
Journal of Public Health and Epidemiology
HIV-positive status disclosure with stable sexual partner at Gabriel Touré University Hospital, Bamako, Mali, 2017
Preventing new cases of HIV infection and mother-to-child HIV transmission requires knowledge of the factors associated with HIV-positive status disclosure with the sexual partner. Our objective was to determine the factors associated with HIV-positive status disclosure with the stable sexual partner at Gabriel Touré University Hospital, Mali. We conducted a cross-sectional study from February to March 2017 at...
April 2021
Journal of Public Health and Epidemiology
Determinants of internet-based resources for sex education among in-school and out-of-school adolescents in Kogi State, Nigeria
Sex education is a vital aspect of health education. It provides factual knowledge to assist adolescents to avoid sex related problems. Due to the sensitive nature of sex education many adolescents rely on internet resources for information on sex education because it offers information in a confidential manner. The study assessed and compared the determinants of internet based resources for sex education among in and...
April 2021
Journal of Public Health and Epidemiology
Knowledge, attitudes and perceptions related to covid-19 among Beninese military
The aim of this study was to assess the level of knowledge guiding attitudes, and to highlight the perceptions of Beninese military personnel towards COVID-19. This is a cross-sectional study conducted from May 18 to June 16, 2020 in the garrison of Cotonou through the administration of an anonymous questionnaire to 836 participants. To assess the level of knowledge, major and minor criterion were defined. The level of...
April 2021
International Journal of English and Literature
Anthropological investigations of love through a medieval lens: The perspectives by the Middle High German poet, Walther von der Vogelweide
One of the fundamental problems of the modern university is the artificial creation of departments which cuts up organic research fields and creates unnecessary divisions when cooperation and mutual learning would be called for. There are certainly differences in methodologies and theoretical concepts between archaeological anthropology, for instance, and literary studies (Humanities); but anthropology, ultimately, is...
April 2021
African Journal of Agricultural Research
Physiological, developmental and growth responses to desiccation induced stress in four seed coat colour varieties of Vigna unguiculata (L. Walp).
Cowpea (Vigna unguiculata L. Walp) is a widely grown leguminous crop in Ghana. This study was conducted using four varieties of cowpea based on the colour of the seed coat namely; red, brown, black and cream cowpea varieties, and were subjected to three different watering regimes, namely: Normal, moderate and severe water stress regimes. These different watering regimes were used as potential screening criteria to...
April 2021
International Journal of Plant Physiology and Biochemistry
Vegetative propagation of Echinops giganteus using stem and root cuttings
Echinops giganteus (Asteraceae) is a shrub native to Cameroon. As part of a recovery effort focused on Echinops giganteus, a vegetative propagation technique was developed. Plants were vegetatively propagated in and out of a non-midst propagator, juvenile stem and root cuttings from the nursery and plant growth regulator hormones of concentrations: 0, 0.5, 1, 2, 3, 4, 5, 8 and 10 g/L. The effect of the cutting positions...
April 2021
African Journal of Agricultural Research
Nitrogen fertilization on soybean crop over straw of forage sorghum intercropped with Urochloa ruziziensis
The experiment was carried out to evaluate the influence of N on the agronomic characteristics of soybean crop under no-tillage system over forage sorghum intercropped with Urochloa ruziziensis and on straw degradation. Four treatments (nitrogen doses) were used: 0; 20; 40 and 60 kg of N ha-1. N were applied at V3-V4 stage, using ammonium nitrate as the N source, containing 30% N. The experimental design was a...
April 2021
African Journal of Agricultural Research
Effect of powder and extract of Ritchiea reflexa (Thonn.) Gilg et Benedict and Ctenium elegans Kunth on Amitermes evuncifer Blattodea, Termitinae
Termites play key roles in the ecosystems functioning, especially in the recycling of organic matter. However, few are considered pests because they cause damages to crops and wooden structures. Long based on the use of synthetic pesticides, the control of pestiferous termites is now focused on environmental friendly means including the use of plant extracts. Here, powder, acetonic and ethanolic extracts of Ctenium...
April 2021
African Journal of Agricultural Research
Understanding the effects of COVID-19 on food security in Ghana
The relationship between hunger and poverty has become clear with the outbreak of the coronavirus. Restricted people movement and border closures used to control the spread of the virus have implications for food security. Governments are challenged with allocating their scarce resources to cover additional healthcare costs and social protection expenditures which did not exist before. The Food and Agriculture...
April 2021
African Journal of Agricultural Research
Differential vegetation status of Okomu National Park and Okomu Forest Reserve, Edo State, Nigeria
Okomu National Park and Okomu Forest Reserve were established to protect the rich flora and fauna resources. Studies comparing the impact of these two approaches in conserving the rich flora and fauna resources have not been carried out on the study sites. This study is aimed at filling the knowledge gaps and assessed the differences in vegetation status of Okomu National Park and Okomu Forest Reserve. The purpose is to...
April 2021
Journal of Physical Education and Sport Management
Assessment of the practices and perceptions towards age estimation among the sports fraternity in Uganda
Local sports administrators are faced with a challenge of upholding fairness and protecting the health of their players due to the difficulties they face to determine the right age categories of athletes. Therefore, the aim of this study was to explore the practices of how age estimation is performed in the sports fraternity in Uganda. The study was qualitative and it involved 19 participants who were purposively...
April 2021
African Journal of Pharmacy and Pharmacology
NONMEM population pharmacokinetic and Monte Carlo dosing simulation of ertapenem in patients with sepsis
An alteration of pharmacokinetics (PK) due to pathophysiological changes in patients with critical illnesses have the impact on the drug levels in plasma, consequently affecting the achievement of pharmacodynamics (PD) targets of antibiotics. The objectives of this study were (i) to determine the population PK, and (ii) to assess the probability of target attainment (PTA) of ertapenem in patients with critical...
April 2021
Journal of Veterinary Medicine and Animal Health
Prevalence, effects and alternative control methods of Haemonchus contortus in small ruminants: A review
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...
April 2021
Journal of Infectious Diseases and Immunity
Toxoplasma gondii: Deeper understanding of epidemiology, virulence and pathophysiology enhances diagnosis and informs vaccine design
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...
April 2021
Medical Case Studies
A case report of medulloblastoma in the cerebellopontine angle in 1-year old child
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...
April 2021
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)
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...
April 2021
Journal of Pharmacognosy and Phytotherapy
Green synthesis of silver nanoparticles through reduction with Euphorbia nivulia Buch.-Ham., stem bark extract: Characterization and antimicrobial activity
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...
April 2021
African Journal of Biotechnology
Molecular characterization of bacteria strians isolated from “JIKO”: A herbal preparation consumed in some parts of Kaduna metropolis, Nigeria
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...
April 2021
Journal of Soil Science and Environmental Management
Effect of agricultural machinery on physical and hydraulic properties of agricultural soils
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...
April 2021
African Journal of Microbiology Research
Multidimensional aspects of surgical site infections due to non-tuberculous mycobacteria
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...
April 2021
African Journal of Agricultural Research
Extension training for banana value addition among smallholder farmers in Meru and Tharaka-Nithi counties, Kenya
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...
April 2021
African Journal of Agricultural Research
Evaluation of the on-farm dairy technologies in Ethiopia: A review
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...
April 2021
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
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...
April 2021
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
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...
April 2021
International Journal of Nursing and Midwifery
Unmasking nurses' entrepreneurial potentials: Swot analysis of Nigerian nursing and midwifery act
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...
April 2021
Journal of Medicinal Plants Research
Antibacterial effects of the organic crude extracts of freshwater algae of Sulaymaniyah, Kurdistan Region, Iraq
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....
April 2021
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
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...
April 2021
International Journal of Water Resources and Environmental Engineering
Water supply interruptions in Umzinto Water System: Ugu District, South Africa
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...
April 2021
Journal of Accounting and Taxation
Financial accountability mechanisms in local governments in Uganda: a case of Kabale
District Local Government
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...
April 2021
African Journal of Microbiology Research
Virulence and multi-resistance of gram-negative bacilli strains isolated from some artisanal fermented dairy products sold in secondary schools in Benin
This work aims at assessing toxin production capability and antibiotic resistance profiles of thermo-tolerant Gram-negative bacilli strains isolated from three types of fermented dairy products (yoghurt, dèguè millet and dèguè couscous). Samples collected in Abomey-Calavi and Cotonou were analyzed for microbial, biochemical and molecular parameters. Samples were contaminated with...
April 2021
African Journal of Microbiology Research
Molecular characterization of water-borne multi-drug resistant Escherichia coli
Antibiotics are very important in the fight against infectious disease caused by bacteria and other microbes for decades. Today microbes have developed ways to resist antimicrobial agents targeted at them. We sought to characterize and simultaneously detect virulence genes associated water-borne antibiotic resistant Escherichia coli, obtained from water sampled from ground and surface water sources. The Analytical...
April 2021
African Journal of Political Science and International Relations
Fiscal federalism, sub-national revolts and internal colonialism in Nigeria
One subject that has remained contentious since the introduction of federalism in Nigeria has been how the revenue accruing to the nation will be shared between the federating units, namely, the federal, state and local government and among the states and the local government councils. The over centralization of power and resources in the first tier of government, has weakened other levels of governments, and undermined...
April 2021
African Journal of Political Science and International Relations
Attitudes of the Sudanese people towards the performance of new transitional government: An exploratory study
The article is exploratory in nature and uses descriptive statistical tools to describe the attitudes of Sudanese people towards certain policy issues faced by the Transitional Government in Sudan, which has emerged after the popular revolution of December 19, 2019, that ousted Bashir’s Islamite military regime. The new Transitional Government is now less than two-year-old. Hence it is difficult to...
April 2021
African Journal of Biotechnology
Serum total protein concentration and liver enzymes activities in albino rats model administered with ethanolic leaf extract of Ficus capensis
There is an increased use of the Ficus capensis plant and concerns about safety alongside efficacy have been raised. The aim of this work is to study the total protein, bilirubin and serum liver enzyme activities in albino rats administered graded concentrations of ethanol extract of F. capensis leaf. Twenty-four albino rats were shared into four groups and different concentrations of the leaf extract were administered...
April 2021
African Journal of Political Science and International Relations
Political opportunism, impunity and the perpetuation of Victor’s Justice: A case of the Rwandan Genocide
The genocide in Rwanda remains one of the most tragic and horrendous events witnessed in Africa, and an important case study in the exploits of transitional justice. An approximated number of one million people were subjected to systematic rape, murder and torture with several thousands of people being displaced in the process of ethnic conflict in Rwanda-evidencing genocide, war crimes and crimes against humanity....
April 2021
Journal of Physical Education and Sport Management
Body image, self-esteem and health behaviour among senior high school students in Offinso Municipality of Ashanti Region, Ghana
Body image perception has become a public health issue globally. Positive or negative feelings about one self can be influenced by individual and environmental factors. Research has shown that dissatisfaction with body image can have an impact on an individual’s quality of life including an individual’s self-esteem, interpersonal confidence, eating and exercise behaviours. This study investigated the...
April 2021
African Journal of Plant Science
Comparative effect of weed control methods on Mexican sunflower (Tithonia diversifolia) in maize
Mexican sunflower management in arable crops is becoming increasingly important due to its prevalent growth habit. The field experiments were conducted to compare weed suppressive abilities of two cover crops and two maize herbicides on Mexican sunflower. The treatments consist of the pre-emergence application of Primextra Gold (atrazine + metolachlor) at 4 l/ha, a post-emergence application of Aminoforce (2, 4-D)...
April 2021
Journal of Geography and Regional Planning
Urban farmers land injustice: Assessing the impact of land development projects on agriculture in Dar es Salaam City
Land injustices are a global phenomenon but more vivid in developing countries, especially in Africa, where colonial hangover and the neo-liberal economic policies have been known to contribute into the plight of the urban poor including urban farmers. This paper examines the land injustices of urban farmers by taking Mbweni-Mpiji, a sub-urban area in the city of Dar es Salaam as a case study. The study used a...
April 2021
Journal of Petroleum and Gas Engineering
Performance evaluation of oil based drilling fluid formulated with castor oil
Oil based muds formulated from diesel oil have proven to be quite expensive and environmentally unfriendly. This current study focused on investigating the suitability of castor oil in formulating oil based muds. The experiment in this work was conducted at different temperature conditions ranging from 40 to 80°C. The density and specific gravity of castor oil based mud were found experimentally to be 0.3 ppg and...
April 2021
International Journal of Biodiversity and Conservation
Studies on Shea (Vitellaria paradoxa) fruits storage and different preservation technologies for domestication
In order to prevent a Shea seed from germination when stored, a preservation technology was adopted using different polythene bags which include a white transparent polythene bag of 500 mm gauge, big size perforated brown envelope, and black polythene bags of 500 mm guage. The results revealed that the Shea seeds preserved in the white transparent polythene bags retained their viability for six months which can then be...
April 2021
Journal of Development and Agricultural Economics
Evaluation of the resource efficiency of guinea fowl production in the Savelegu-Nanton District of the Northern Region of Ghana
Guinea fowl production offers an income source that could reduce the incidence of poverty of rural householders in Northern Ghana, considered one of the poorest regions in West Africa, due to its unimodal rainfall patterns that restrict the year-round production of crops. However, information on profitability and resource use in guinea fowl production in Northern Ghana is very limited. We assessed the resource-use...
April 2021
African Journal of Food Science
Effect of flour types and flour concentrations on the physicochemical and sensory characteristics of an indigenous senescent plantain cake (ofam)
Ofam is a Ghanaian indigenous cakelike product made mainly from senescent plantain and local flours from cereal, grain and/or tuber sources. The effect of three flour types (steeped corn flour (SCF), roasted corn flour (RCF) and kokonte flour (KF)) and flour concentrations (20, 17.5, 15, 12.5 and 10%) on the physicochemical characteristics and sensory acceptability ofam was investigated. Parameters such as moisture, pH,...
April 2021
African Journal of Food Science
Contribution of fish in improving micronutrients content in complementary foods for children aged 6 to 23 months in Lindi Rural District
Lindi region has high stunting prevalence of about 35%, and one of the factors that cause stunting is inadequate intake of micronutrients for children under 2 years old. This study aimed at assessing contribution of fish in improving micronutrients, specifically vitamin A, zinc and iron contents in complementary foods for children aged 6 to 23 months old children in Lindi Rural District. A cross-sectional study was...
April 2021
International Journal of Plant Physiology and Biochemistry
The costunolide biosynthesis enzymes of Artemisia glabella Kar. et Kir.: Determination of the nucleotide sequences of the mRNA
Artemisia glabella Kar. et Kir. is a source of sesquiterpene lactone arglabin, which has antitumor, radiosensitizing and immunomodulatory activity. Studying the biosynthesis of arglabin and its derivatives will allow us to develop the biotechnological basis for its production, thereby increasing its availability. The precursor to most sesquiterpene lactones is costunolide. The purpose of these studies was to detect and...
April 2021
International Journal of Biodiversity and Conservation
Physiological ecology of ferns: Biodiversity and conservation perspectives
Ferns have a long geological record extending over millions of years, and they are distributed in diverse environments worldwide; including swamps, coastal locations, open grasslands, mountain terrains, drylands and deserts. Consequently, their physiological ecology is rich with examples of the fern species diversity, and remarkable adaptive variability. This is a review of some major aspects of their physiological...
April 2021
African Journal of Food Science
Evaluation of cooking time and organoleptic traits of improved Dolichos (Lablab purpureus (L.) sweet) genotypes
In Lablab bean, cooking time and organoleptic qualities are major factors that influence its adoption and consumption. Its production in Kenya has been constrained by low yielding varieties, pests, poor agronomy and varieties with non-preferred taste and flavor. This study was initiated to evaluate cooking time and organoleptic traits of six Dolichos genotypes, (G2, B1, M5, LG1, W7 and G2), that had been bred at the...
April 2021
Journal of Accounting and Taxation
Board structure and firm performance: An empirical study of Greek systemic banks
This paper examines the effect of board characteristics on bank financial performance. Tracing the Greek financial crisis during the period of 2008 to 2018, the paper investigates whether board size, board independence, CEO duality, female directors, and foreign directors affect banks performance. The empirical evidence shows that board structure has a significant effect on bank performance. Specifically, board size,...
Page 8 of 1221, showing 50 records out of 61005 total, starting on record 351, ending on 400
