Articles
Page 1 of 1172, showing 50 records out of 58588 total, starting on record 1, ending on 50
November 2019
African Journal of Business Management
Corporate governance and risk disclosures: An empirical study of listed companies in Kenya
This paper examines the relationships between corporate governance variables and the extent of risk disclosures among listed companies in Kenya. The study aims to empirically examine the relationship between corporate governance variables and risk disclosures in 48 listed non-financial companies in Kenya. Content analysis of annual reports for the period 2010-2016 was used to measure the level of risk disclosures and...
November 2019
African Journal of Environmental Science and Technology
Occurrence, quantities and probable human health risks of indicatory polychlorinated biphenyls in processed Lates niloticus (L.) products from Lake Victoria in Tanzania
A study was conducted in Lake Victoria to assess the occurrence, levels and risks of indicator polychlorinated biphenyls (PCBs) in four processed Lates niloticus (L.) products (salted-sundried, trims, smoked and deep-fried). Samples extractions were done using QuEChERS method while detection and quantification of congeners was done using a GC- ECD and GC- MS. Six PCBs (CB 28, CB 52, CB 118, CB 138, CB 153 and CB 180)...
November 2019
African Journal of Environmental Science and Technology
Seasonal variations of some physico-chemical properties of water sources that feed Rivers Wouri and Meme of Cameroon
Rivers Wouri and Meme are surrounded by streams and wells and serve for irrigation, fishing, domestic purposes and transportation. Water samples were collected from the rivers in February (dry season) and August (wet season) of 2012 at different sites and at different depths and analyzed for some physicochemical properties. This was to study the effect of seasonal changes on the properties and also infer the possible...
November 2019
African Journal of Environmental Science and Technology
The roles of community-based water and sanitation management teams (WSMTs) for sustainable development: An example of the Bawku West
District, Ghana
Poor sanitation, water and hygiene are related to several and severe negative implications on health and the environment. In recent years, community-based management of water and sanitation facilities have been linked to improving access to these facilities. Ghana is also on its way to achieving the Strategic Development Goals (SDGs) for access to potable water. However, several studies have found gaps between increased...
November 2019
Journal of Agricultural Extension and Rural Development
Turning challenges into opportunity: Potential for adoption of e-extension in Lesotho
Farmers in Lesotho mostly depend on rain-fed agriculture and are in need of access to agricultural information and knowledge in a timely, complete and quality manner. The traditional practice for delivering agricultural information has mainly relied on agricultural extension staff visiting farmers in order to provide advisory services. Due to the limited number of extension staff and other challenges, the delivery of...
November 2019
Journal of Agricultural Extension and Rural Development
Determinants of adoption of improved sorghum package in agro-pastoral households of Somali Region of Ethiopia: A gender perspective
The study analysed determinants of adoption of improved sorghum package between male-headed and female-headed households. The specific objectives were to analyse adoption differentials of improved sorghum package, and to identify factors that affect adoption decision of improved sorghum package by male and female-headed households. Purposeful sampling method was employed to select Woreda of sorghum growers with greater...
November, 2019
African Journal of Pharmacy and Pharmacology
Phytochemical analysis and in vitro antibacterial evaluation of leaf and bark extracts of Alstonia boonei
The antibacterial effect of the leaf, bark and leaf and bark combined of Alstonia boonei on bacterial pathogens, Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, Streptococcus pneumonia, Proteus mirabilis, Klebsiella pneumonia, Shigella dysenteriae and Salmonella typhimurium was determined using agar diffusion technique to investigate their efficacy as anti-bacterial agent. The phytochemical components...
November 2019
African Journal of Environmental Science and Technology
A chemical speciation study of selected heavy metals in aquatic bottom sediment samples from Mpenge stream, Musanze District, Rwanda
Mpenge stream is regarded as one of the most important domestic water resource in Musanze District; Rwanda. The chemical speciation study of selected heavy metals (Zn, Cu, Co, Cr, Ni, Pb, and Cd) in sediment samples collected from that stream was carried out by means of an analytical procedure involving sequential chemical extraction method and to determine the heavy metals content in different fractions of sediment....
November, 2019
African Journal of Pharmacy and Pharmacology
Acquaintance of Botox: A cross-sectional survey among female students in Karachi, Pakistan
The cosmetic treatment strategies have been considerably popular over the last few decades among the population with respect to age, gender, and ethnicity. These procedures are easily accessible safer, minimally invasive, and more precise. Botox therapy is one of the most common non-surgical cosmetic treatment. Thus, the current study was accomplished to assess the knowledge of female students towards Botox therapy for...
November, 2019
African Journal of Pharmacy and Pharmacology
Evaluation of the immunomodulatory properties and microbial bioburden of three commercial herbal mixtures sold in Awka, Anambra State Nigeria
The consumption of herbal medicine and herbal medicinal products has been on the rise lately. This has led to an increase in research on herbal medicine and its different formulations to gain more knowledge in their constituents, therapeutic effects, its mechanism, and their undesired or toxic effects. The purpose of this study was to evaluate toxicity profile, phytochemical constituents, microbial quality and...
November 2019
African Journal of Microbiology Research
Heat shock impact on the growth of Bacillus spp. (SUBB01) and its surveillance in minimal medium under shaking condition
Heat shock proteins (HSPs) are a family of proteins that are produced by all living organisms in response to exposure to stressful condition. The present research aims to study the physiology of Bacillus spp. (SUBB01) under aeration in diverse culture media and temperature at 47, 48, 49, 50, 52, 53 and 54°C. Bacterial growth was measured through enumeration of the viable and culturable growing cells that...
November 2019
African Journal of Microbiology Research
Passive surveillance of clinical poultry diseases in an Upazila Government Veterinary Hospital of Bangladesh
The present study is aimed at investigating clinical poultry diseases in an Upazila Government Veterinary Hospital of Bangladesh through passive surveillance and to know the frequency distribution of antimicrobial drugs prescription pattern. The study was conducted in Ramu Upazila Government Veterinary Hospital under Cox’s Bazar district of Bangladesh from February to March, 2016. A total of 180 cases including 73...
July-December 2019
Journal of Medical Laboratory and Diagnosis
Designing an expert system model for pulmonary TB disease diagnose pre-screen laboratory process
Tuberculosis is a major public health problem in Ethiopia more than half a century ago. If the disease is not treated well and on time, it can lead to severe health problems like lungs, but can also affect other organs, including the central nervous system. Therefore, detecting those diseases at early stages enable us to overcome and treat them appropriately. However, among people in the developing countries like...
July-December 2019
Journal of Physiology and Pathophysiology
Evaluation of ventilatory function of Senegalese patients with type 2 diabetes
Diabetes is a common disease in sub-Saharan Africa. Complications associated with type 2 diabetes mellitus are due to macro-vascular and micro-vascular lesions. One of the less known complications of diabetes is impaired respiratory function. The objective of this study was to evaluate the ventilatory function of Senegalese type 2 diabetics. A total of Sixty-four women composed to 32 diabetic subjects and 32 healthy...
October-December 2019
Journal of Public Health and Epidemiology
Factors associated with pulmonary tuberculosis treatment failure in Togo, 2015-2016
Tuberculosis (TB) treatment failure compromises its elimination as recommended by Sustainable Development Goals. The purpose of this study is to determine the factors associated with pulmonary TB treatment failure in Togo between 2015 and 2016. An unmatched case-control study was conducted on cases of pulmonary TB under treatment at all of 47 TB Diagnostic and Treatment Centers (DTC) in Togo between 2015 and 2016....
October-December 2019
Journal of AIDS and HIV Research
Unprotected sexual practice and associated factors among people on anti-retro-viral therapy at public health facilities of Arba Minch town: Cross-sectional study
Unprotected sexual practice with multiple partners is identified as the greatest risk factor for transmission of human immunodeficiency virus (HIV) in Sub Saharan Africa and it is a public health concern among people infected with HIV. However, due to the focus of HIV prevention efforts was largely on people uninfected with HIV, people on anti-retroviral therapy (ART) were not addressed by prevention strategies in...
October-December 2019
Journal of Public Health and Epidemiology
Assessing tuberculosis preventive methods in the Somme department: Collaboration between the Tuberculosis Control Center and its partners
Tuberculosis Control Center (TBCC) is responsible for prevention of the TB in France. The collaboration of this center with its partners has not yet been studied. All notified cases of TB and all of their contacts screened between 2007 and 2011 were retrospectively included. Communication between actors in tuberculosis control was analyzed. Of the 175 reported cases, the TBCC sent 85.1% of letters to the notifiers,...
October-December 2019
International Journal of Water Resources and Environmental Engineering
Spatial and temporal fluctuation of groundwater depth in Amibara, middle Awash, Ethiopia
Soil salinity is a threat for agriculture under irrigation as it affects the growth and development of plants and the problem is widespread in middle Awash where Amibara irrigated farms are present. Therefore, Measurements of groundwater depth were taken from thirty piezometers in the months of August, September, October, November and December to investigate spatial variability and temporal fluctuation of...
November 2019
African Journal of History and Culture
Oyo-Ondo relations: A study in pristine inter-group relations in Nigeria
The noticeable degree of Benin and Ife influence on Ondo has not obliterated the Oyo factor as a strong force in the history of Ondo, especially its traditions of origin. This paper focuses on Oyo-Ondo connections as a study in pristine inter-group relations. It argues that although Oyo is situated in the savanna region of Yorubaland, while Ondo is placed in the forest region, certain traits offer strong proof that Ondo...
November 2019
African Journal of Biotechnology
Expression profiling, phylogenetic, and structural analyses of a laccase gene from the red palm weevil, Rhynchophorus ferrugineus
Laccases, member of multicopper oxidase (MCO) family enzymes, play crucial roles in insects’ cuticle tanning and pigmentation. The purpose of this study was to identify and characterize a laccase gene from the red palm weevil (RPW), Rhynchophorus ferrugineus. The isolated RPW laccase gene sequence was 3,389 bp, including a 2,163 bp open reading frame that encodes 720 amino acids. The RPW laccase gene conserved the...
November 2019
African Journal of Biotechnology
In vitro regeneration protocol through direct organogenesis for Jatropha curcas L. (Euphorbiaceae) accessions in Ethiopia
Jatropha curcas L. is among important tree crops in the world with a potential for biofuel production. In Ethiopia, there is a soaring investors’ interest to produce Jatropha in the country for biodiesel production. However, insufficient good quality propagation material is a major production constraint. A study was undertaken to establish a protocol for in vitro mass propagation of three Ethiopian Jatropha...
November, 2019
African Journal of Agricultural Research
Impact of DroughtTEGO® hybrid maize variety on agricultural productivity and poverty alleviation
in Kenya
Impact of DroughtTEGO® maize hybrids on agricultural productivity and poverty reduction among small-scale maize farmers were analyzed using 642 households in Kenya. The Water Efficient Maize for Africa (WEMA) project coordinated by the African Agricultural Technology Foundation (AATF) developed the varieties. While on-farm production output and farmers’ testimonies indicate significantly high productivity over...
November, 2019
African Journal of Agricultural Research
Effect of pesticides on Exopolysaccharide (EPS) production, antibiotic sensitivity and phosphate solubilization by Rhizobial isolates from Sesbania bispinosa in Bangladesh
Rhizobium spp. retains a symbiotic relationship with leguminous plants including Sesbania bispinosa by fixing N2 through nodule formation. Several researches suggest that Exopolysaccharides (EPSs) are required for nodule formation. Rhizobial growth parameters as well as the EPS production are affected by the presence of pesticides. The present investigation was performed using three different pesticides which were...
November, 2019
African Journal of Agricultural Research
Disparities and influential factors to men’s and women’s involvement in freshwater aquaculture in Madagascar
This research identifies the factors determining the individual decision to get involved in the aquaculture sector for both men and women through a case study in Madagascar. A rich body of scholarly literature shows that women play an important contribution in the aquaculture sector, particularly in South Asia and Africa. The literature shows that multiple factors, such as lack of access to assets and gender norms,...
November 2019
African Journal of Biotechnology
Effects of genotype and plant growth regulators on callus induction in leaf cultures of Coffea arabica L. F1 hybrid
Coffea arabica, F1 hybrid variety, Ruiru 11 is a highly sought after crop in Kenya due to its alleviated resistance to Coffee Berry Disease and Coffee Leaf Rust coupled with high yield capacity and good cup quality. Access to the variety’s planting materials is limited due to challenges with difficulty in propagation using conventional methods of seed and vegetative propagation; and somatic embryogenesis is...
November, 2019
African Journal of Agricultural Research
Entomocidal activity of some plant extracts against Sitophilus zeamais Motschulsky
(Coleoptera: Curculionidae)
Entomocidal activity of ethanolic leaf extracts of four plant species namely Euphorbia balsamifera Aiton, Lawsonia inermis L., Mitracarpus hirtus (L.) DC. and Senna obtusifolia L. were evaluated in order to assess their protectant ability to stored sorghum against Sitophilus zeamais Motsch. The botanicals were applied to 20 g of sorghum grains at the rate of 25, 50 and 100 mgml-1, while no extracts was added to the...
November, 2019
Journal of Medicinal Plants Research
Antioxidant, DNA protective and antibacterial activities of Terminalia bellerica extracts
Terminalia bellerica Roxb., commonly known as Beleric myrobalan, is a well-known large deciduous tree with various pharmaceutical properties. However, scientific information on T. bellerica, growing in India, as regards to its phytochemical constituents and pharmacological properties is very limited. With this in view, this study investigated the antioxidant, DNA protective and antibacterial activities of different...
November, 2019
Journal of Medicinal Plants Research
Therapeutic role of chitosan nanoparticles in murine schistosomiasis mansoni
This research evaluates the value of loading Nigella sativa on chitosan nanoparticles (ChNPs) in the treatment of Schistosoma mansoni infection compared to praziquantel. Chitosan has efficient oral administrative capability to penetrate mucosal surface being mucoadhesive and non-toxic, as well as combination with NPs add characters of controlled release and safe serum levels. The study was done on 40 S. mansoni infected...
October-December 2019
Journal of AIDS and HIV Research
Challenges of the care of HIV positive adolescents in Jos, Nigeria
The introduction of highly active anti-retroviral therapy (HAART) to children with perinatally acquired HIV has prolonged their lifespan to adolescence and beyond. These HIV positive adolescents on care face challenges as they undertake their treatment which this study aimed to determine. The study was a cross-sectional descriptive study of challenges faced by adolescents between the ages 10 and 19 years on routine...
November 2019
African Journal of Microbiology Research
Assessment of bacterial contamination and milk handling practices along the raw milk market chain in the north-western region of Rwanda
This study was conducted to assess raw milk bacterial loads and micro-organisms associated with milk handling practices and raw milk chain in the North-western region of Rwanda. A multistage sampling method was used to collect sixty-seven raw milk samples that were analyzed for milk quality at four stages of the raw milk chain: dairy farmers, milk hawkers, milk collection centres (MCC) and milk kiosks. Total bacterial...
November 2019
African Journal of Microbiology Research
The bacterial diversity in infected tissue pus of an East Asian finless porpoise
Two East Asian finless porpoises (Neophocaena asiaeorientalis sunameri) in Ningbo, East China Sea, China, were observed to be bacterially infected between the fat layer and muscle layer. The microbial communities in pus samples were identified by metagenome sequencing 16S in the PacBio platform and explored the relationship between emaciation and bacterial infection. The present paper was the first report on bacterial...
October-December 2019
International Journal of Nutrition and Metabolism
Evaluation of the nutritional status of adult subject with cancer at the Treichville University hospital center
While multidisciplinary consultation meetings on therapeutic protocols, psychological management, treatment of pain for patients living with cancer are setting up, their nutritional status in Côte-d'Ivoire is almost absent in oncology units. This study aimed to assess the nutritional profile of adult patients with cancer, followed at the oncology service of the University Hospital of Treichville. A descriptive...
July-December 2019
Journal of Cancer Research and Experimental Oncology
Head and neck lipomas: A clinicopathologic analysis of 36 cases
Lipomas are common benign soft tissue tumors, with 15 to 20% of the cases affecting the head and neck region and 1 to 4% involving the oral cavity. The literature has many reported cases of head and neck lipoma but few comprehensive studies hence, the aim of this study was to review and analyze the clinical and histopathologic features of head and neck lipomas in Nigerians. A fifteen-year retrospective study evaluated...
November 2019
African Journal of Business Management
The impact of information asymmetry on public-private partnership contracts: Theoretical approaches
Institutional arrangements for making the benefits of expert information systems technology available to state enterprises in South Africa have been impacted by information asymmetry. The proliferation of infrastructure improvements has become palpable, hence the necessity to address information asymmetry in the public sector. The reliance on the private sector for expertise and knowledge has exacerbated the information...
November, 2019
Journal of Medicinal Plants Research
The insight and survey on medicinal properties and nutritive components of Shallot
Shallot is a horticultural commodity belonging to spice vegetables. Shallot (Allium ascalonicum L.) is a perennial crop which is grown as an annual for its cluster of small cloves and bulbs. Persian shallot also is native and endemic of Iran and grows as a wild plant across Zagross mountains at high elevations. Shallot is an important source of carbohydrate, vitamin A, B, and C. Phenolic compound in Shallot consist of...
November, 2019
Journal of Medicinal Plants Research
Menopause disorders and their treatment in traditional medicine in Burkina Faso
A survey was conducted in the central region of Burkina Faso to find out about women's menopause-related disorders and their treatment in traditional medicine. Fifty-six (56) species have been identified to treat different symptoms such as hot flashes, insomnia, nausea, joint and muscle pain, itching, lower abdominal pain, edema, mood disorders, vertigo. Leaves and stem bark were the most recommended in the...
November 2019
African Journal of Business Management
MtB versus VAIC in measuring intellectual capital: Empirical evidence from Italian listed companies
The purpose of this paper is to compare two of the most commonly utilized methods employed to measure the Intellectual Capital (IC) value: Market to Book (MtB) ratio and the Value Added Intellectual Coefficient (VAIC), in order to determine the most suitable in the context of Italian listed firms and their respective relationships with some key IC determinants. The study is conducted for a sample of Italian listed firms...
November 2019
African Journal of Biotechnology
Relationship between 2-acetyl-1-pyrroline and aroma in Uganda rice populations with Oryza (barthi, glaberrima and sativa) backgrounds
The sweet popcorn aroma conferred by 2-acetyl-1-pyrroline (2AP) is a highly economic trait of rice grain attracting premium price worldwide. This research study was conducted to determine the levels of 2AP in Ugandan rice lines with the aim of establishing a better understanding on the level and classes of 2AP and aroma phenotype. Concentration of 2AP was assayed using two-dimensional gas chromatography-time-of-flight...
November 2019
African Journal of Microbiology Research
Assessment of drugs pressure on Escherichia coli and Klebsiella spp. uropathogens in patients attending Abobo-Avocatier Hospital, North of Abidjan (Côte d’Ivoire)
The problem of antibiotic resistance of uropathogens appears in Abobo municipality to be worsening because of the overuse and misuse of antibiotics. This study aims to assess the impact of drugs pressure on uropathogenic Escherichia coli and Klebsiella spp. strains isolated from patients attending Abobo-Avocatier Hospital. The study was conducted in patients suffering from urinary tract infection. Urine samples of...
October-December 2019
Journal of Plant Breeding and Crop Science
Estimates of genetic parameters and genotype by environment interactions for sugar yield and its components in sugarcane genotypes in Western Kenya
This study was conducted to estimate broad sense heritability, genetic advance, GE interactions and correlations among quality traits in sugarcane clones in western Kenya. Thirteen sugarcane promising clones and one check cultivar were evaluated plant and ratoon crops in three locations under rain fed conditions using the randomised complete block design with three replications. Analysis of variance showed...
October-December 2019
Journal of Plant Breeding and Crop Science
Genetic dissimilarity and growth of coffee in Cerrado
Genetic dissimilarity can be used to identify promising genotypes for cultivation in specific conditions. Thus, the objective of this work is to study the genetic dissimilarity among 35 genotypes of Coffea arabica in the Cerrado, under irrigation, using phenological data and multivariate statistics. Plant height, stem diameter, canopy diameter, number of orthotropic branch nodes, length of orthotropic branch internodes,...
November, 2019
Journal of Medicinal Plants Research
Effect of Withania somnifera in the treatment of male infertility: A literature review
The high prevalence of male infertility associated with the high costs of its conventional treatment motivated researchers to look for alternative approaches to the treatment of sexual dysfunction. The use of medicinal plants for these fins has been adopted in Withania somnifera which is one of the plants that has been associated with improvements in male fertility. Thus, the aim of this study was to review data...
November, 2019
Journal of Medicinal Plants Research
Evaluation of aphrodisiac properties of the aqueous extract of the trunk barks of Spathodea campanulata P. Beauv. (Bignoniaceae) on albino rats (Rattus norvegicus)
Spathodea campanulata P. Beauvois (Bignoniaceae) is a tree from the tropical and subtropical forests of Africa, used in folk medicine for the treatment of several diseases such as gastric pain, rheumatism, lumbago, cataracts and some intestinal parasites. In West Cameroon, traditional healers use a decoction of the bark of the trunk as an aphrodisiac in males. The objective of the present study was to evaluate the...
October-December 2019
Journal of Plant Breeding and Crop Science
Evaluation of coffee berry disease resistance (Colletotrichum kahawae) in F2 populations derived from Arabica coffee varieties Rume Sudan and SL 28
Coffee supports livelihoods of approximately 125 million families worldwide and over 700,000 households in Kenya. The epidemics of Coffee berry disease (CBD), caused by Colletotrichum kahawae, destroy up to 80% of the developing berries on susceptible varieties. The control of the disease using chemicals accounts for 30 to 40% of the production cost and contributes to environment pollution, hence the use of resistant...
November, 2019
African Journal of Agricultural Research
Influence of mineral nutrition on plant development and chemical composition of volatile oils of Porophyllum ruderale (Jacq.) Cass subspecies
The objective of this study was to find out the influence of soil nutrition on the composition of volatile oils of Porophyllum ruderale subsp. macrocephalum and Porophyllum ruderale subsp. ruderale. The seedlings were transplanted into pots containing sand as substrate. Every seven days, different Hoagland solutions were applied: Complete solution and solution lacking, respectively nitrogen, phosphorus, potassium,...
November, 2019
African Journal of Agricultural Research
Transforming smallholder agriculture through cooperatives for improving households’ food security at OR Tambo District Municipality, South Africa
Agriculture is a primary source of food, employment and income in rural households. Agricultural cooperatives have been regarded as possible vehicles in achieving these objectives. Small holder farming in the OR Tambo District Municipality has marginally been performed in contributing to households’ food security. Research indicates that there are many factors affecting agricultural cooperative development and...
November 2019
Journal of Development and Agricultural Economics
Opportunities and determinants of rural non-agricultural activities in Ethiopia
The main goal of this study is to investigate the characteristics and determinants of rural non-agricultural activities using country representative household survey. This study is based on 14,616 sampled households which was collected from the four main regions of Ethiopia, namely Tigray, Amhara, Oromia and SNNPR which represent more than 90% of the population of Ethiopia. Descriptive statistics and probit model were...
November 2019
Educational Research and Reviews
Comparison of seventh-grade Turkish and Iranian social studies textbooks in terms of value education
One of the objectives of comparative education research is to compare within a certain period of time educational systems that have developed in similar or different environments and processes. The aim of this qualitative study is to compare the value education in Turkish and Iranian seventh-grade social studies textbooks. Data were collected using document analysis. Results show that both books underscore the values of...
November, 2019
African Journal of Agricultural Research
Dynamics of weed biomass on yield and yield component stability of maize under various weed management strategies
Weed is a very significant enemy of crop production. Its density, diversity and the interaction complexes on the yield and yield component of maize cv “Quality protein” were investigated in the present study. The experiment was laid out in randomized complete block design (RCBD) containing five weed management strategies and a weedy check as treatments in 2015 and 2016. Data were collected on weed density,...
November 2019
African Journal of Microbiology Research
Antimicrobial activity of cotton and silk fabrics dyed with Datura stramonium (Jimson weed) plant
leaf extracts
Functional finishes are agents that are applied to fabrics to make them suitable for specific uses and contribute a specific attribute to a fabric without altering its appearance. In this context, the present study reveals the importance of dyed fabrics with Datura stramonium plant leaf extracts to control antibiotic-resistant bacteria, which have been a threat to human health and posed noticeable challenges...
Page 1 of 1172, showing 50 records out of 58588 total, starting on record 1, ending on 50
