Articles
Page 3 of 1176, showing 50 records out of 58782 total, starting on record 101, ending on 150
December 2019
African Journal of Biotechnology
Development of a rice yellow mottle virus amplicon biotechnological tool for the production of high value proteins in rice
Lately, advances on biotechnology have led to the emergence of plants as bioreactor for the production of molecules of industrial, pharmaceutical and agribusiness interests. One of the major advances was the exploitation of plant viruses as “amplifier” for the protein production. This amplicon technology relies on viral vector engineered to contain a gene encoding candidate protein that is produced in...
December 2019
African Journal of Biotechnology
An alternative caprine infection model for Mycoplasma mycoides
Ruminant infection models for Mycoplasma mycoides are invasive and laborious factors that may interfere with the experiment outcomes. This brief review presents an alternative method that may minimize on the mentioned challenges earlier mentioned. M. mycoides subsp. capri GM12 and M. mycoides subsp. capri YCP1.1 ∆68 strains were used; the former, causing a septicemia in goats. An intra-tracheal inoculation technique was...
December 2019
African Journal of Biotechnology
Phenotypic and molecular characterization of extended spectrum β-lactamase producing Pseudomonas aeruginosa in Nigeria
This present study was undertaken for detection of extended spectrum β-lactamases (ESBLS) enzyme genes among clinical isolates of Pseudomonas aeruginosa using phenotypic and molecular techniques. Thirty-four P. aeruginosa isolates from different hospitals in Nsukka and University of Nigeria Teaching Hospital (UNTH), Enugu were screened for the presence of ESBL-encoding genes. Phenotypic screening for ESBL producers...
December 2019
African Journal of Biotechnology
Evaluation of Lactobacillus spp. isolated from locally consumed probiotic food in Nsukka, Enugu State, Nigeria for antimicrobial activity utilizing agar well diffusion and pH tolerance tests
Antimicrobial activity against entero-pathogens and tolerance to acid stress are crucial characters of probiotic bacteria. Lactobacillus spp. isolates were phenotypically characterized using colony observation, catalase test and Gram stain reaction. The pH (1.5, 2.5 and 3.5) tolerance of each isolate was evaluated at 0 and 4 h. The antibacterial activities of the isolates were tested against pathogenic strains of...
December 2019
African Journal of Microbiology Research
Evaluation of lactic acid bacteria isolated from fermented mustards in lowering hypercholesterol by using bile salt hydrolase (BSH) activity and bile salt de-conjugation
This work evaluates lactic acid bacteria (LAB) obtained from fermented mustards for lowering cholesterol. The LAB strains’ ability to reduce cholesterol in vitro was determined using activity of bile salt hydrolase (BSH) and deconjugation of bile salt in vitro. The LAB strains were examined for their ability to resist acid and bile salt. Strains that can reduce cholesterol adhere to Caco-2 cells and they were...
October-December 2019
African Journal of Political Science and International Relations
Uganda and the refugee problem: challenges and opportunities
Uganda is one of the top refugee hosting countries in Africa and the world. It has been praised as a generous country with progressive refugee policies and laws that reflect the country’s national, regional and international obligations. However, a number of challenges ranging from increasing refugee numbers, protracted refugee situations, the burden of hosting of refugees, to limited resources and little...
October-December 2019
Journal of Economics and International Finance
Comparative migration studies of Burmese, Cambodian and Laotian migrants in Thailand: Multivariate approach
The paper outlines main economics factors determining migrant workers to Thailand, and the comparative studies between migrants, that are Myanmar, Cambodia and Laos. This research is quantitative in nature using logistic regression analysis. The results indicate demand on migration of Burmese migrants’ relevance to four factors, two related to personal factors (employment and past income) and two related to...
December 2019
African Journal of Business Management
Understanding internal control environment in view of curbing fraud in public healthcare unit
This study extends on the phenomena of control environment of Intensive Care Unit (ICU) in Brazil through narratives of physicians, nurses and auditors and also analyzes the results with interpretative discourse analysis. The structuration theory based on Giddens and discourse analysis toeing Laclau and Laclau and Mouffe were also used to reflexively discuss the data constructed. Based on...
December 2019
African Journal of Business Management
The role of market learning in the market integration of African smallholders
The integration of smallholders with the market is essential to provide enough food for the growing populations in most African countries. The existing literature emphasizes in that respect the role of transaction costs. This paper offers a complementary view, namely individual-level market learning, which is conceptually integrated in the existing market integration framework. The paper demonstrates that market...
July-December 2019
International NGO Journal
Mainstreaming psychological first aid response during disaster events in Nepal
Mental health and psychosocial intervention to disaster events is comparatively new and growing concept in Nepal, which often gets neglected during the emergencies. Though the government has acknowledged the importance of mental health components, psychosocial intervention still deserves the long journey to be mainstreamed in disaster response. In this context, Japan International Support Program (JISP) and IsraAID...
December 2019
Educational Research and Reviews
Causal theoretical model that favors the use of comprehensive sexuality education
This theoretical review goes over the different theoretical variables and constructs that could condition teacher intervention in relation to CSE curricular contents, since teachers’ experiences affect the pedagogic decisions they make. The theoretical model includes the constructs of sexual conduct, teacher training, and teacher self-efficacy for sexual education. Sexual behavior is operationalized by the...
December 2019
Educational Research and Reviews
A two-way perspective on social loafing and organizational cynicism
The aim of this study is to reveal the effects of the relationship between social loafing and organizational cynicism. The sample of the study was selected using stratified cluster sampling method, comprising 71 schools and 1043 teachers working in primary and secondary schools in Pamukkale district of Denizli province. In the study, relational screening model and quantitative methods were used. The data of the study...
December 2019
Educational Research and Reviews
Socio-cultural diversity as determinant of Social Studies students’ academic performance in Calabar, Cross River State, Nigeria
Students’ academic performance in Social Studies has been poor for the past years. Blame has been levelled on teacher factors, students’ attitude towards the subject, and lack of learning materials. This study therefore seeks to find out if socio-cultural diversity among students is responsible for their poor performance in Social Studies. The purpose of this study is to examine learners’...
December 2019
African Journal of Biotechnology
First report of bovine papillomavirus genotypes in cutaneous lesions by polymerase chain reaction (PCR) and direct sequencing in Panama
Bovine papillomavirus (BPV) causes benign tumours in the mucosal and cutaneous epithelium and is characterized by the presence of warts. The present study includes the molecular identification of BPV strains in samples of warts using degenerate polymerase chain reaction (PCR) primers FAP59/64. Skin biopsies were taken from crossbred cattle from two experimental farms of Instituto de Investigación Agropecuaria de...
December 2019
African Journal of Microbiology Research
Foodborne toxinfections caused by virus: Characteristics of the main viruses, prevention, treatment and clinical method of laboratory diagnosis by RT-qPCR
Foodborne viruses were recognized among the top-rated food safety priorities and have become a greater concern to the food industry over the past few years. Food safety experts agreed that control measures for viruses throughout the food chain are required. This manuscript provides a description of foodborne viruses (Rotavirus, Adenovirus, Norovirus, Astrovirus, Hepatitis A, Hepatitis E, and Poliovirus) and their...
December 2019
African Journal of Microbiology Research
Virulence characteristics and phylogenetic background of antibiotic-resistant Enterococcus faecalis from abattoir, poultry and clinical origin in Ado-Ekiti, Nigeria
Enterococcus faecalis is a major cause of nosocomial infection in human and severe extra-intestinal infections in animals. Enterococcus spp possesses the ability to acquire and spread genes linked with antimicrobial resistance which makes them an important nosocomial pathogen. This study aims to determine the distribution of antibiotic resistance and virulence genotype of Enterococcus faecalis in animal, poultry and...
December, 2019
African Journal of Agricultural Research
Effects of probiotic-treated rice straw on blood parameters and gut microbes of heifers
The study investigated the effects of probiotic treatment on nutrient content of rice straw and its impact on blood parameters and gut microbes of heifers. Eight Holstein crossbred heifers with initial average body weight (BW) of 180.25±21 kg were used in this study. The experimental period lasted for 33 days of feeding, of which 5 days were adjustment period. The treatments included feeding of untreated rice...
December, 2019
African Journal of Agricultural Research
Indigenous rhizobia strains: The silver bullet for enhanced biological nitrogen fixation and soybean (Glycine max (L.) Merr. ) yield under different soil conditions in South Kivu province, Democratic Republic of Congo
Soybean is an important crop in the Democratic Republic of Congo, a country faced with high levels of war induced malnutrition but its productivity is limited by poor soil fertility coupled with low access to nitrogen mineral fertilizers. Commercial rhizobia strains introduced in 2010 failed to adapt and increase soybeans yields at desired level. We studied the performance of six indigenous rhizobia strains in enhancing...
July-December 2019
Journal of Civil Engineering and Construction Technology
Variability of visible and near-infrared (vis-NIR) diffuse spectral reflectance of cement-based solidified/ stabilized pre-treated oil-based drill cuttings
This study investigated the effects of solidification/stabilization (S/S) variables on visible and near-infrared (vis-NIR) spectral reflectance of solidified/stabilized low-temperature thermally desorbed (pre-treated) oil-based drill cuttings. Partial least squares (PLS) regression models were also developed to rapidly estimate the levels of total petroleum hydrocarbon (TPH), Cu, and Ba present in the...
December, 2019
African Journal of Agricultural Research
An analysis of socioeconomic factors affecting avocado production in saline and flooded areas around Lake Victoria Basin of Western Kenya
Avocado (Persia americana) a very important crop worldwide nutritionally and economically. In Kenya avocado does not thrive well in soils with high salinity, flooded or waterlogged areas. Survey was conducted around Lake Victoria Basin in Kenya to establish socioeconomic factors and flooding that affects its production. A sample of 400 households was interviewed using structured questionnaire, focus group discussions...
October-December 2019
Journal of Plant Breeding and Crop Science
Evaluation of hot pepper (Capsicum annuum L.) varieties for green pod yield and yield components in Western Tigray, Northern Ethiopia
A field experiment was conducted at Humera Agricultural Research Center experimental site for two consecutive years (2011/2012 and 2012/2013 cropping season) under irrigation condition to evaluate performance of hot pepper varieties for green pod yield and yield components in western Tigray, Northern Ethiopia. A total of six hot pepper varieties were used as test genotypes. Least Significant Difference (LSD) and Pearson...
October-December 2019
Journal of Plant Breeding and Crop Science
Evidences that polyploidization and hybridization affected resveratrol content in Arachis
interspecific hybrids
To broaden the genetic base of the allotetraploid peanut (Arachis hypogaea L.), pre-breeding programs have produced interspecific synthetic allotetraploids resulting from the chromosome duplication of hybrids between peanut related diploid species. These allotetraploids were highly cross-fertile with peanut making it possible to access the extensive genetic variability harbored by the wild species. This study aims to...
December, 2019
African Journal of Pharmacy and Pharmacology
Non-adherence to statins therapy and its impact on cardiac morbidity and mortality: A metanalysis
Dyslipidemia is a major risk factor for cardiovascular disease, the leading cause of death worldwide. Statins have been shown to significantly reduce morbidity and mortality in patients with coronary artery disease and in patients with hyperlipidemia. However, there is a significant gap between expected and actual benefits; this may be attributed to poor adherence to statin therapy. Literature search was conducted by...
December 2019
African Journal of Biotechnology
Survey of the incidence and distribution of groundnut rosette disease in major groundnut-producing regions of Western Kenya
Groundnut rosette disease (GRD) is the most important viral disease of groundnuts in sub-Saharan Africa. In Kenya, GRD infection especially before flowering results in 100% loss in pod yield. Surveys were conducted in 2016 and 2017 to determine the incidence and distribution of GRD in five major groundnut growing Counties of western Kenya. A structured questionnaire was used to assess GRD incidence and severity and...
December 2019
African Journal of Biotechnology
In vitro regeneration of coconut (Cocos nucifera L) through indirect somatic embryogenesis in Kenya
Regeneration of the coconut (Cocos nucifera L) through indirect somatic embryogenesis using 9 to 12 months embryos explants was established in Y3 medium supplemented with 100 to 250 µM 2,4 -dichlorophenoxyacetic acid (2, 4-D) alone and in combination with gibberellic acid (GA3), 6-benzylaminopurine (BAP) and thiadiazuron (TDZ). The highest callus induction (100%) was observed in medium containing 150 and 250...
December, 2019
African Journal of Pharmacy and Pharmacology
Hepatoprotective and antioxidant activities of Pterocarpus santalinoides methanol leaf extract
This study evaluated the hepatoprotective and antioxidant activities (AA) of Pterocarpus santalinoides methanol leaf extract (PSMLE) on carbon tetrachloride (CCl4)-induced hepatotoxicity in albino rats. Thirty male albino rats randomly assigned into 6 groups (A – F) of 5 rats each were used for the in vivo study. Hepatotoxicity was induced in groups A – E using CCl4. Group A served as negative control....
December 2019
African Journal of Microbiology Research
Evaluation of three commercialized rapid point-of-care tests for detection of anti-hepatitis C virus antibodies in Burkina Faso
This study aimed to evaluate the diagnostic performance of commercially rapid point-of-care (POC) tests used for HCV antibodies detection. This is a case-control study conducted in Ouagadougou between December 2014 and January 2015. Three POC for HCV antibodies detection (SD Bioline HCV test®, Anti-HCV dipstick® and First response® HCV card test) marketed in Burkina Faso were evaluated. Architect...
October-December 2019
International Journal of Sociology and Anthropology
Home truths behind closed doors: Reciting the lived experiences of child domestic workers in selected towns of Gedeo Zone, Southern Ethiopia
This qualitative study was aimed at looking into the lived experiences of child domestic workers in the selected towns of Gedeo Zone. A triangulation of key informant interviews, in-depth interviews, focus group discussions, informal conversations, non-participant observations, and life histories were employed to collect the required data from child domestic workers, brokers, urban residents, police officers, and...
December 2019
African Journal of History and Culture
Increasing participatory space in Zimbabwean local governance democracy
The purpose of this paper is to unpack the extent to which citizen participation has been enhanced in local governance in Zimbabwe. The paper points out that citizen participation in local governance have proved to be of significance to all decision-making processes. Legislative provisions guiding citizen participation in local governance in Zimbabwe are prescribed in the Urban Councils’ Act of 1996 which seeks to...
December, 2019
African Journal of Agricultural Research
Suitability of biosolids from university sewage ponds as a substrate for crop production
Currently, sewage waste management is a serious environmental problem and one of the major growing concerns for urban areas all over the world. Utilization of biosolids (BS) for crop production may be a sustainable waste management strategy. The present study evaluated the physico-chemical and biological characteristics of biosolids from sewage ponds at Egerton University, Kenya. This was to determine its suitability...
December, 2019
African Journal of Agricultural Research
Behavior of nursing Apis mellifera after application of entomopathogenic fungi to control Varroa destructor
To study the possible use of fungi to control Varroa destructor Anderson & Trueman, a parasitic mite of Apis mellifera L., without effects on its pollinator’s behavior, the entomopathogenic fungi Beauveria bassiana (Balsamo) Vuillemin and Metarhizium anisopliae (Metschnikoff) were applied at 30ºC in the dark, at 108 conidia/mL, a concentration known previously for its pathogenicity on V. destructor. Both...
December, 2019
African Journal of Agricultural Research
The performance of selected commercial organic fertilizers on the growth and yield of bush beans in Central Uganda
To assess the quality of commercial organic fertilizers in Uganda market, a quick survey was conducted to establish the organic fertilizers being sold in Container village market in Kampala Capital City. Different products were found being sold as organic fertilizers. Four of these fertilizers are two solid (Biochar and Fertiplus) and two liquid (Biogrow and Digrow) selected for a field study. Field...
December, 2019
African Journal of Agricultural Research
The role of soil nutrient ratios in coffee quality: Their influence on bean size and cup quality in the natural coffee forest ecosystems of Ethiopia
Nutrients are essential for plant growth and development, and soil nutrient ratios play key roles in coffee quality. The objective of this study was to investigate the influence of soil nutrient ratios on the quality of wild Arabica coffee in Ethiopia. Results revealed that the balance between the soil nutrients was well correlated with coffee quality attributes. The balance between magnesium and calcium (Mg:Ca) and the...
December, 2019
African Journal of Agricultural Research
Livelihood diversification and it’s determinants on rice farming households in Ogun State, Nigeria.
This study assesses the nexus between livelihood diversification, technology adoption and food security status among rice farm households in the Ogun State. A multistage sampling technique was used to select two Agricultural Development Programme zones (Ikenne and Abeokuta zones) in the state. Purposive selection of two blocks per zone based on the concentration of rice farmers was done. Six farming cells were randomly...
December, 2019
African Journal of Agricultural Research
Effects of bio-stimulants on the yield of cucumber fruits and on nutrient content
The aim of the experiment was to assess the effect of bio-stimulants of different composition (Asahi SL - based on three nitrophenol compounds, naturally occurring in plants, as active ingredients; Optisil – mineral growth stimulant containing 24 g L-1 of Fe and 200 g L-1 of SiO2; Kelpak SL – manufactured from Ecklonia maxima and containing auxins and cytokinins) on the content of macronutrients and...
December, 2019
African Journal of Agricultural Research
Community based participatory forest resources management practices in Chilimo forest, Dendi District, West Shewa Zone, Oromia Regional State, Ethiopia
This research has made an endeavor to analyze the practices of community based participatory forest management and its impacts on the incomes of the forest user groups and the forest cover of Chilimo forest, Dendi District, Ethiopia. 380 households were selected from seven peasant association proportionally and simple random sampling was adopted to choose the sample households from each peasant association. Both...
December, 2019
African Journal of Agricultural Research
Additive main effects and multiplicative interaction (AMMI) and genotype main effect and genotype by environment interaction (GGE) biplot analysis of large white bean (Phaseolus vulgaris L.) genotypes across environments in Ethiopia
Undertaking a multi-environment trial prior to releasing a high yielding and stable varieties for a specific environment is a major step in plant breeding. Therefore, the objective of this work was to study the effect of Genotype × Environment Interaction (GEI) and evaluate the adaptability and stability of sixteen large white common bean genotypes. Additive main effects and multiplicative interaction (AMMI) and...
December, 2019
African Journal of Agricultural Research
Consumers’ awareness of the presence of pathogenic bacteria and pesticide residues on tomatoes sold in Nairobi
Tomato consumed worldwide for its vitamins and bioactive elements can harbor postharvest bacteria and pesticide residues. A cross-sectional survey using a semi-structured questionnaire was done in 101 households in Kangemi assessing consumers’ awareness on pesticide residues and bacterial presence on tomatoes sold in Nairobi. Questionnaire was administered in Kangemi during weekends, systematic random sampling was...
December, 2019
African Journal of Agricultural Research
Effect of vermicompost on growth, quality and economic return of garlic (Allium sativum L.) at Haramaya District, Eastern Ethiopia
Garlic (Allium sativum L.) is an important vegetable crop in Ethiopia. The yield of the crop is often constrained by low and unbalanced nutrient supply in the soil. This study was undertaken to assess effect of vermicompost (VC) on growth, quality and economic return of garlic variety Chelenko I during 2016 main rainy season in Haramaya University main campus, Ethiopia. The treatment consisted of four levels of...
July –December 2019
Journal of Agricultural Biotechnology and Sustainable Development
Effect of N fortified rice mill waste on soil chemical properties and yield of maize in Nigeria rainforest
Organo-mineral nutrient sources are promising soil amendments for sustainable crop production in Nigeria. A field experiment was conducted at the Teaching and Research Farm of the Cross River University of Technology Obubra during the 2016 cropping season. The objective of the study was to evaluate the effects of nitrogen (N) and amended rice mill waste (RMW) on some soil chemical properties and yield of maize (Zea mays...
December 2019
International Journal of Livestock Production
Phenotypes, production systems and reproductive performance of indigenous chickens in
contemporary Rwanda
This study aimed at characterizing phenotypes, production systems and the reproductive performance of indigenous chickens in Rwanda. Indigenous chickens (n=529) from 265 chicken rearing households drawn from all the five provinces of Rwanda were used in this study and analysis was performed using Statistical Analysis Systems (SAS, version 9.2) software. Four comb types were observed, with strawberry (51%) being most...
December, 2019
Journal of Medicinal Plants Research
Community pharmacists’ knowledge and perspectives regarding the medicinal use of Nigella Sativa Seeds (Ranunculaceae),: A qualitative insight from Dubai, United Arab Emirates
The seeds of Nigella sativa (NS) (family: Ranunculaceae), (NS) are widely used as medicine throughout the world. It is very popular in various traditional systems of medicine like Unani and Tibb, Ayurveda and Siddha. Seeds and oils have a long history of folklore usage in various systems of medicines and food. The objective of this study was to investigate the knowledge of community pharmacists in Dubai, United Arab...
October-December 2019
Journal of Public Health and Epidemiology
Resurgence of yaws in Benin: Four confirmed cases in the district of Zè, Southern Benin
Yaws is an infectious neglected tropical disease (NTD) caused by the Treponema pallidum pertenue which is highly contagious and transmitted through direct contact with an infected person. It mainly affects skin, bone and cartilage and predominantly in children under 15 years of age. The last cases in Benin were documented in 1982 in the districts of Adjohoun, Bonou and Dangbo in Southern Benin. In line with the global...
July-December 2019
Journal of Parasitology and Vector Biology
Studies on distribution and abundance of freshwater snail intermediate hosts of schistosomiasis along Kwanar Areh Dam in Rimi L.G.A. of Katsina State
Various species of freshwater snails act as intermediate hosts for Schistosoma species. The Bulinus and Biomphalaria snails serve as intermediate hosts for Schistosoma haematobium and Schistosoma mansoni, which are the causative agents of urinary and intestinal schistosomiasis in humans, respectively. This study aims to determine the distribution and abundance of these snail intermediate hosts along Kwanar Areh Dam,...
July-December 2019
International Journal of Genetics and Molecular Biology
Inheritance of maize (Zea mays L.) leaf traits
Maize leaf plays an important role in the synthesis of organic compounds. It hosts the interception of light energy and conversion to organic energy, and the capture and assimilation of carbon dioxide in order to produce food. In this study, we explore the heritability of the maize leaf length, leaf width, and the number of leaves of two maize genotypes, JNE and BLC. The estimates of heritability varied from 0.2 to...
December 2019
African Journal of Food Science
Assessments of good hygienic practice in food markets of Maputo, Mozambique and development of Food Safety Index
This study evaluated good hygienic practices (GHP) of food establishments in seven food markets in Maputo, Mozambique. A total of 191 food handlers were selected in this study. Information on demographic characteristics and hygienic-sanitary conditions were obtained through semi structured interviews. The results revealed that the majority of food vendors in Maputo are females (92.7%) and all the selected...
December 2019
African Journal of Plant Science
In vitro seed germination and seedling growth of the orchid Dendrobium primulinum Lindl.
Dendrobium primulinum Lindl. (D. Primulinum L.) is one of the important epiphytic orchid species for horticultural and commercial use. It is listed as a rare and critically endangered species of orchid. The present study is intended to conserve the orchid species through the micropropagation technique. The in vitro seed germination and seedling growth was carried out by taking a mature pod of D. Primulinum L. in...
December 2019
African Journal of Business Management
Gender as a moderator between entrepreneurship intention and its predictors among university graduates in Nigeria and India
The main emphasis of this study is to examine the role of gender as a moderator between entrepreneurship intention and its predictors among university graduates in Nigeria and India. The data were gathered from 130 postgraduate students from two universities in Abuja and a southern region of India. A structured questionnaire was administered on-line via Google document. Confirmatory Factor Analysis of Structural...
October-December 2019
Journal of Economics and International Finance
Trend analysis and economic effect of RTA deaths on dependency ratio in Ghana
Road traffic accident (RTA) injuries and mortalities are some side effects of using automobile vehicles and Ghana is not deprived of them. This study enlightens some effects of road traffic accident mortalities on the Ghanaian economy and investigates its yearly trend, age range distribution and also reveals its influence on economic activities. 832 secondary data obtained on individuals who died through RTA from the...
December 2019
African Journal of Business Management
Procurement performance and profitability in foam mattress firms in Uganda
The purpose of this study was to examine the effect of procurement performance on the profitability of Foam Mattress Firms in Uganda. Cross-sectional research design was used to execute the study. Stratified and simple random sampling techniques were employed to draw a sample size of 40 Departments whose inventory, supply chain, production, marketing, internal audit and accounting department formed the unit of...
Page 3 of 1176, showing 50 records out of 58782 total, starting on record 101, ending on 150
