Articles
Page 9 of 1162, showing 50 records out of 58059 total, starting on record 401, ending on 450
March 2019
Educational Research and Reviews
The use of social networks among university students
The changes that are experienced in technology are influencing various fields as well as educational environments. From this point of view, it is seen that the tools used in educational environments as well as those used by students are diversified depending on the change in technology. Based on the characteristics of learners in the twenty-first century, it is observed that current technology takes part in...
March 2019
Educational Research and Reviews
Equitable access to education and development in a knowledgeable society as advocated by UNESCO
Any vision of knowledge societies must affirm the core aspirations for peaceful and sustainable knowledge societies in a way that acknowledges the interests of all stakeholders. It is essential to recall that knowledge societies are concerned with human development, not only with technological innovation and its impacts. This report focuses the role equitable access to education play in achieving equitable knowledge...
March 2019
Educational Research and Reviews
Turkish Background Families Live In Germany and Education: In Term of Families, Students, Teachers
The aim of this research is to determine the problems, supports and suggestions for families of Turkish background living in Germany about their children’s education. It is also intended to determine opinions of Turkish background students living in Germany and Turkish background teachers working in Germany about Turkish background families’ parents’ role. Phenomenology, which is one of the qualitative...
March 2019
Educational Research and Reviews
One-hand clapping: Gender equality and its challenges in pastoralist secondary education in Afar region: A quality concern
One way of conceptualizing educational quality is that it is a function of effectiveness, efficiency, responsiveness, equality, relevance and sustainability (Barrett et al. 2006). Quality education rejects gender discrimination and social injustice. Gender equality in Ethiopia, as an anchor of quality education, has long been explained numerically. The Annual Abstracts the Ministry of Education published each year do...
March 2019
Educational Research and Reviews
The effect of daily sight reading studies of the guitar students on sight reading and guitar performance
This study was conducted to analyze the effects of regular sight reading studies of classical guitar students on their sight reading and their performance of classical guitar. In the research, experimental method was used with a pretest-posttest control and experimental group. The application process was carried out with 14 undergraduate students studying Music and Fine Arts Education Department from Marmara University....
March 2019
African Journal of Pharmacy and Pharmacology
Medicines prescribing pattern in northern Ghana: does it comply with WHO recommendations for
prescribing indicators?
The prescribing of medicines is critical in the treatment of diseases in general practice. Inappropriate prescribing can negatively influence the goals of treatment, which makes the assessment of the patterns of prescriptions essential. The objective of this study was to assess the medicines prescribing pattern in health facilities in the Northern Ghana, a developing economy in Africa, using the prescribing indicators...
March 2019
African Journal of Microbiology Research
The prevalence of tuberculosis and rifampicin resistance among the Mycobacterium tuberculosis clinical isolates at Federal Medical Centre Makurdi, Benue State, Nigeria
Tuberculosis (TB) has become a global health challenge; it is a serious problem in sub-Saharan Africa, where rates of Human Immunodeficiency Virus (HIV) co-infection and drug resistance are high. The prevalence and rifampicin (RIF) resistance of Mycobacterium tuberculosis (MTB) among patients attending Federal Medical Centre Makurdi, Benue State was investigated. Sputum samples collected from 200 patients were tested...
March 2019
African Journal of Microbiology Research
Detection of pathogenic bacteria and fungi on biometric surface of Automated Teller Machines located in Brazilian public hospital
The Automated Teller Machine (ATM) is used by millions of people as an alternative to gain time instead of using traditional banking systems in Brazil and ATMs are frequently localized in São Paulo city around the hospitals. However, ATMs might be potential devices for microbial accumulation and transmission in the community. The objective of the present study was to evaluate forty-two ATMs, in two hospital areas...
March 2019
African Journal of Agricultural Research
Phenotypic plasticity in soybean (Glycine max (Merrill)) genotypes with contrasting growth characteristics subjected to planting density stress at different developmental stages
A study was conducted to determine phenotype plasticity responses in soybean genotypes subjected to plant density stress at different phenological stages. Plants planted at supra optimal population density (500,000 plants per hectare) were thinned to 400,000 population density at 4 developmental stages: V1 (Full expansion of first trifoliate leaves), V3 (Four nodes with 3 unfolded trifoliates), V6 (Seven nodes, with 6...
March 2019
African Journal of Agricultural Research
Soil hydro-physical attributes under management practices for pineapple genotypes cultivation
Pineapple is a rustic species but may respond positively to conservation practices of soil management. This work aimed to evaluate the physical properties of the soil under conservation management practices for the cultivation of pineapple genotypes. The treatments consisted of four varieties of pineapple, two levels of gypsum (0 to 4 t ha-1), two levels of management (with and without cover crop - millet), and two soil...
March 2019
African Journal of Agricultural Research
Aries Guineagrass (Megathyrsus maximus Jacq cv. Aries) pasture establishment without chemical control in an environmentally protected area
This study aimed to evaluate the Aries Guineagrass (Megathyrsus maximus sin. Panicum maximum Jacq. cv. Aries) and the weed community dynamics under different soil tillage and sowing methods in Southern Brazil, to create alternatives for sustainable farming in areas where weed chemical control is restricted. The experiment was carried out in split-plot design with randomized blocks and four replications; the main plots...
March 2019
African Journal of Biotechnology
Phytochemical analysis and antinociceptive activity of bitter ginger (Zingiber zerumbet) cultivated in Manaus/Amazonas
The present work concerns the analgesic effects of zerumbona, obtained from Zingiber zerumbet L. Smith cultivated in Manaus/Amazonas. The compound has been studied for decades because it has potent cytotoxic activity against liver and prostate tumor cells, colon, and breast. The plant is rich in sesquiterpenes, glycosylated flavonoids that present important pharmacological activities; standing out cytotoxic activity...
March 2019
African Journal of Biotechnology
Study of oxygen transfer processes improvement for domestic wastewaters treatment
In aerated processes, the oxygen transfer was limited by the presence of the suspended matter as colloid and the dissolved matter, which might decrease the biological degradation effectiveness. In this publication, three series of tests were conducted to study possibilities to reduce these matters: bacterial adaptation which was conducted in a biological aerated filter, adsorption/biosorption conducted on a biological...
March 2019
International Journal of Physical Sciences
Structural, magnetic and transport properties of samarium (Sm) doped Cu-Zn ferrites
The present work is focused on investigating the effect of rare earth ion on structural, magnetic and transport properties of (Cu0.5Zn0.5Fe2-x)SmxO4[x = 0.00, 0.05 and 0.10] ferrites which were prepared by solid state reaction technique at 1100°C for 3 h. The X-ray diffraction analysis revealed that rare earth free sample shows formulation of single phase cubic spinel structure with no extra peak whereas Sm...
March 2019
Scientific Research and Essays
Precision attributes based index for the selection of efficient agricultural machinery
Development and introduction of high capacity, precise, reliable and energy efficient machinery/equipment is the need for judicious use of inputs. Manufacturing of agricultural machinery in India is varied in nature and starts from village artisans, tiny units, cottage to small scale industries, organized tractor and agricultural machinery manufacturers including energy and processing machinery industry. Precision in...
March 2019
African Journal of Business Management
The impact of intellectual capital on firms’ financial performance and market value: Empirical evidence from Italian listed firms
The purpose of this paper is to extend the understanding of Intellectual Capital (IC) in the context of Italian listed firms. In this study, the Valued Added Intellectual Coefficient (VAIC) is employed as a measure of IC to investigate the relationship between IC, firms’ financial performance and market value. The empirical investigation is developed by using data drawn from a sample of 135 Italian listed...
March 2019
African Journal of Business Management
Critical success factors for green supply chain management practices: An empirical study on data collected from food processing companies in
Saudi Arabia
The aim of this research paper is to explore critical success factors required to implement green supply chain management. A descriptive analytical method was used by which a questionnaire was developed based on literature review and suggestions of academics as well as experts. It was distributed to a sample of 360 managers selected from food processing companies in Saudi Arabia. Out of 360 questionnaires, 278 were...
March 2019
African Journal of Business Management
Satisfaction of university community on in house sourcing (Samara University) versus outsourcing (some selected government universities in Ethiopia)
Outsourcing noncore activities are the best solution for many organizations. This study was conducted to study the comparative analysis of university community satisfaction on outsourcing in some selected universities in Ethiopia using both primary and secondary data. Samples were taken from students, teachers and support staff of four universities. The research identified that by outsourcing the different non-core...
March 2019
African Journal of Business Management
The status quo of East African stock markets: Integration and volatility
This paper presents the current stock markets’ situation of East African markets compared to Johannesburg Stock Exchange (JSE). The study uses weekly price indices of Kenya, Tanzania, Rwanda, and Uganda, South Africa as a performance benchmark for the African market. The period used is from 17th January 2008 to 31st March 2017. The stock indices’ returns results show in general that there is relatively...
March 2019
African Journal of Microbiology Research
Effectiveness of commonly used antiseptics on bacteria causing nosocomial infections in tertiary hospital in Malaysia
The antimicrobial inhibitory effects of five common antiseptics [Chlorhexidine (CHX), Hydrogen peroxide (H2O2), Iodine, Ethanol and Dettol] were investigated using agar well diffusion method. The organisms used included methicillin-resistant Staphylococcus aureus (MRSA), Acinetobacter baumannii, Escherichia coli, Klebsiella species and Pseudomonas aeruginosa. The undiluted concentrations of the antiseptics showed...
March 2019
African Journal of Microbiology Research
In vivo safety and hypolipidemic effect of Bifidobacterium adolenscentis CH2 in female albino rats
This paper studied the safety and physiological effect of acute intake of Bifidobacterium adolescentis CH2 in albino rats using yogurt as a carrier. Thirty-six female albino rats were divided into three groups: control group received standard diet and water daily; yogurt group received standard diet, water, and 0.5 ml yogurt; B. adolenscentis-yogurt (probiotic yogurt) group received standard diet, water, and 0.5 ml B....
March 2019
African Journal of Microbiology Research
Survey of bacterial contamination and antibiotic resistance pattern of Bangladeshi paper currency notes in Mymensingh city
Paper currency notes, which are transferred from one individual to another, are known to carry microorganisms on their surface. As people have to exchange currencies repeatedly to buy goods and services in their everyday life, risk of spreading infectious diseases may be enhanced. Thus, it is important to identify the bacteria associated with currency and evaluate their multidrug resistance pattern. Consequently, the...
March 2019
African Journal of Agricultural Research
Foodborne diseases, fish and the case of Aeromonas spp.
Food intake is an imperative need of living beings in order to obtain the nutrients and energy necessary for their growth and development. All human beings worldwide have the right to access to nutritious and safe food. Food safety is a term that has become increasingly important in food production; is defined as the set of conditions and actions necessary along all phases of the food chain (from its primary production...
March 2019
African Journal of Agricultural Research
Application of nitrogen in different phenological states of the corn crop
Corn is a crop of high productive potential, but to achieve this, it is essential to apply production technologies, especially fertilizers with a high level of nitrogen. The objective of this work was to evaluate the influence of nitrogen fertilizer in different phenological stages on corn production. The experiment was installed in the experimental plot of the Facultad de Ciencias Agrarias, Universidad Nacional de...
March 2019
African Journal of Agricultural Research
Effects of biogas slurry and conventional fertilizer on the abundance, diversity, and function of the soil microbe community in continuously cropped Chinese chives
The effects of biogass slurry and conventional chemical fertilizer as topdressings on relative abundance and community diversity of soil microbes in fields under continuous cropping of Chinese chives were investigated. It was found that topdressing treatment altered soil bacteria community and diversity, where relative abundance and taxonomic diversity were greater in the biogas slurry treatment. Although average well...
March 2019
African Journal of Biotechnology
Simple sequence repeat (SSR) marker-based DNA fingerprinting of some varieties of rice (Oryza sativa L.) released in Nigeria
Over time, precise, specific and rapid identification of variety have been achieved via fingerprinting with molecular markers. In this research, 13 out of 45 screened simple sequence repeat (SSR) markers were employed to fingerprint 27 rice varieties (22 are commercially released while five are suspected duplicates from the hands of marketers with different names) in Nigeria. The SSR primer pairs (13) were polymorphic...
March 2019
African Journal of Biotechnology
Polymorphisms in IL-10 (-1082) and IFN-𝛾, (+874) cytokine genes associated with resistance or susceptibility to Schistosoma haematobium infection in primary school children of Mount Darwin, Zimbabwe
The promoter region of human interleukin-10 (IL-10) gene is highly polymorphic while the first intronic region of interferon gamma (IFN-) gene is also highly polymorphic. These polymorphisms are associated with susceptibility or resistance to Schistosoma haematobium infection. Schistosomiasis is known to be a highly inflammatory disease that requires the delicate balance of pro- and anti-inflammatory cytokines. The...
March 2019
Educational Research and Reviews
English teachers’ opinions on problems encountered in English language teaching in schools: The case of Karabük
The opinions of English teachers on the problems encountered in English teaching in the schools in Karabük Province were examined in this study, by taking a variety of variables into consideration. There are 231 English teachers in state schools in Karabük. A total of 67 English teachers serving in the primary schools, secondary schools and high schools in the central districts of Karabük Province-Turkey...
March 2019
Educational Research and Reviews
An investigation of pre-service basic education teachers’ learning styles in terms of different variables
Learning process varies from student to student. In a related research, it is argued that one of the basic elements for this variation is due to student’s distinct learning styles. Planning learning situations based on the knowledge of learners’ learning styles can be more effective and efficient. With the learning-teaching process designed in accordance with the learning styles of students, it is possible...
March 2019
Educational Research and Reviews
High school students’ seismic risk perception and preparedness in Savar, Dhaka
People in Dhaka, where disaster risk of earthquake is the most due to its high population density and rapid urbanization, are in extreme danger of earthquake. However, the study on assessment of the real scenario of residents’ perception of earthquake risk is very little. The purpose of this cross-sectional study is to assess the seismic risk perception and preparedness about earthquake among high school students...
March 2019
Educational Research and Reviews
The effect of tablet use on students’ success in English as a Foreign Language (EFL) grammar classroom
Integration of tablets in teaching English as a Second or Foreign language has been popular in recent years. However, there is limited evidence to prove the effect of tablet use on the acquisition of specific language skills. This paper aims to investigate the impact of tablet use on students’ mastery of grammar skills. In order to answer the research questions, an experimental pretest-posttest with a control...
March 2019
Journal of Medicinal Plants Research
Edraianthus pumilio (Schult.) A. DC.: Phytochemical and biological profile
Edraianthus pumilio is stenoendemic plant native to Dalmatia, Croatia. This paper deals with its phytochemical and biological profile. Phytochemical profile of volatile oil was performed by the gas chromatography–mass spectrometry (GC/MS), while total phenolic content of its aqueous extract was performed by Folin-Ciocalteu method. The phytochemical analysis showed that the main volatile oil compounds were nonanal...
March 2019
Journal of Medicinal Plants Research
Protective effects of Pleurotus ostreatus in ameliorating carbon tetrachloride (ccl4) induced liver injury in Wistar rats
Since oxidative stress is implicated in the pathogenesis of liver diseases, this study was carried out to evaluate the hepatoprotective, hematoprotective and hypolipidemic effects of Pleurotus ostreatus (Oyster mushroom) in Carbon Tetrachloride (CCl4) induced liver injury in wistar rats. Thirty rats were used for this study. The rats were divided into five groups of six rats per cage. Group I that served as the normal...
March 2019
Journal of Medicinal Plants Research
Identification of annotated metabolites in the extract of Centella asiatica
Plants contribute to 75% of molecular medicines (MM) either directly or indirectly. Centella asiatica (CA) is being extensively used in experimental and clinical studies. However, its scientific approval is not forthcoming. It is well known that every plant contains useful as well as some harmful compounds. Subjecting whole plant extracts containing harmful compounds to modern pharmacological methods will only...
March 2019
African Journal of Pharmacy and Pharmacology
Effect of Maytenus senegalensis roots on OVA-induced airway inflammation in a mouse asthma model
The present work is focused on the evaluation of the Maytenus senegalensis roots effect on bronchial hyperleukocytosis and the search of its antioxidant potential both in vitro and in vivo. The roots of M. senegalensis (Celastraceae) are traditionally used for the treatment of cough and asthma. This study evaluates the effect of the hydroalcoholic extract of the roots of M. senegalensis on the bronchial...
March 2019
African Journal of Pharmacy and Pharmacology
Antibacterial resistance modulatory properties of selected medicinal plants from Ghana
Bacterial resistance to antibiotics is a serious challenge to human and animal health and all efforts are being put together to resolve the menace. In this study the antibiotic resistance modifying activity of ten plants was established by determination of the minimum inhibitory concentrations (MICs) of the plant extracts, the MICs of the antibiotics alone (amoxicillin, ciprofloxacin, erythromycin and tetracycline) and...
March 2019
African Journal of Microbiology Research
Inhibition of Streptococcus mutans (ATCC 25175) biofilm formation on eugenol-impregnated surgical sutures
The use of bioactive compounds as anti-infective coating on biomaterial surfaces has been studied as a tool against microbial adhesion and the establishment of biofilms. The objective of this work was to evaluate the antibacterial activity of eugenol, specifically the ability to interact with cotton suture threads for preventing adhesion and biofilm formation of Streptococcus mutans (ATCC 25175). The minimum inhibitory...
March 2019
African Journal of Microbiology Research
Utility of molecular diagnostic method compared with conventional methods in detection of etiologic agents of central nervous system infections in Rwanda
The incidence of meningoencephalitis in developing countries is high and its diagnosis being inadequate as it is mainly based on conventional methods with a limited diagnostic capacity for bacterial, fungal and viral detection. This results in prescription of a cocktail of antibiotics, antifungal, or anti-viral drugs, since the causative agent is often unknown. There is therefore need for timely and appropriate...
March 2019
African Journal of Agricultural Research
Development and technical validation of spray kit for coffee harvester
Spraying a coffee plantation simultaneously with harvesting ensures that the coffee plants are protected from pests and diseases, which are intensified during this period. In addition to economical operation, the pulverizer adapted to all harvester models promotes greater uniformity in pulverized syrup dispensing since the spray tips are arranged evenly around the plant. Two experiments were carried out in the...
March 2019
African Journal of Agricultural Research
Pig compost for the formation of coffee seedlings in the substrate composition
Pigs can be used in the formation of coffee seedlings; it gradually provides essential nutrients for the development of plants, in addition to promoting the improvement of the substrate and water retention. It was decided, with this work, to evaluate the use of pig compost in the formation of coffee seedlings. The topics studied were: T1 - Witness (absence of organic compound); T2-30% concentration of cattle compost;...
March 2019
African Journal of Agricultural Research
Correlation of climatic elements with phases of the lace bug Vatiga illudens (Hemiptera: Tingidae) in two cassava cultivars (Manihot esculenta Crantz, Euphorbiaceae)
Cassava (Manihot esculenta Crantz) is subject to various disease problems and insect attacks. The aim of this study was to evaluate the correlations of climatic elements on the phases of the lacebug, Vatiga illudens in two cultivars of cassava. The study was carried out in a greenhouse using the ‘Sergipana’ and ‘Campina’ cultivars. Data were analyzed using the Pearson index for linear...
March 2019
African Journal of Agricultural Research
Comparison of cyanobacterial bio-fertilizer with urea on three crops and two soils of Ethiopia
Although chemical fertilizers have long been used to meet the high demand of nitrogen (N), the most common limiting nutrient to plant growth, the frequent use of this fertilizer gradually deteriorates soil fertility in addition to its high cost, lower supply and agronomic use efficiency in Ethiopia. Nevertheless, N-fixing cyanobacterial biofertilizers are eco-friendly, and currently considered important to support the...
March 2019
African Journal of Agricultural Research
Genetic variation and heritability of kernel physical quality traits and their association with selected agronomic traits in groundnut (Arachis hypogeae) genotypes from Uganda
Breeding for improvement of physical kernel traits has a direct implication on acceptance of groundnut varieties. However, the genetic parameters associated with these traits are not well documented. Ten groundnut lines were evaluated in a Randomized Complete Block Design experiment with three replicates in 2015. Data were collected on yield parameters and pod and kernel physical traits. Mean values were used to...
March 2019
African Journal of Agricultural Research
Evaluation of the effectiveness of different trap designs for the monitoring of Drosophila suzukii (Matsumura, 1931) (Diptera: Drosophilidae) in blackberry crop
Spotted Wing Drosophila (SWD), Drosophila suzukii is one of the most important pests in berry crops around the world. In this study, different models of traps were evaluated for monitoring adult SWD. The study was conducted in a commercial blackberry orchard of the cultivar Chester, in the municipality of Vacaria, RS, Brazil in May 2016. The treatments consisted of three trap designs, namely the European model...
March 2019
African Journal of Agricultural Research
Analysis of factors affecting the demand for inorganic fertilizer in Boricha and Wondogenet Districts, Southern Ethiopia
A study was undertaken to analyze factors affecting the demand for inorganic fertilizer in Boricha and Wondogenet farming Districts, Southern Ethiopia. Data on gender, educational level, farming experience, health status, soil fertility status, organic fertilizer used, access to inorganic fertilizer, ownership and size of cultivated farm, on-farm income, contact with DAs, availability of certified seed, and credit...
March 2019
African Journal of Biotechnology
Physicochemical and microbiological stability of muffins packed in actives edible coatings from cassava starch: Inverted sugar/sucrose and natural additives
The aim of this study was to develop edible coatings containing natural additives incorporated to the matrix of cassava starch, for use in muffins, as well as to evaluate the efficacy of its use in the increase of shelf life and maintenance of the products characteristics. Seventeen film forming formulations were developed following a central composite experimental design (CCD). The influence of independent variables...
March 2019
African Journal of Biotechnology
Genetic diversity of antibiotic and plant extract resistant Staphylococcus aureus isolated from hospitalized patients in Ekiti State, Nigeria
This study aimed to determine the genetic diversity of antibiotics and plants extract resistant Staphylococcus aureus using molecular technique. A total of 106 human clinical samples were collected from patients in three different hospitals within Ekiti State. Microbiological and molecular analyses were performed using standard methods. Antimicrobial susceptibility test with common antibiotics and plant leaves extracts...
March 2019
African Journal of Biotechnology
Genetic diversity using random amplified polymorphic DNA (RAPD) and inter-simple sequence repeats (ISSR) markers in Tinospora cordifolia from the Rayalseema region in Andhra Pradesh
Tinospora cordifolia is a highly important medicinal plant in India, with a rich source of different secondary metabolites. In the present study, 12 samples of T. cordifolia (collected from different areas of Rayalseema region,Andhra Pradesh) were studied for genetic diversity using 15 random amplified polymorphic DNA (RAPD) and eight inter-simple sequence repeats (ISSR) markers. Out of them, 10 RAPD and 5 ISSR primers...
February 2019
African Journal of Environmental Science and Technology
Water quality problems, related challenges and their impacts on Ethiopian fishery
The purpose of this review article is to explore the drivers of the water quality problems and associated impacts and mitigation schemes of the fishes and fisheries in Ethiopia. Data were obtained from both published and unpublished online documents as well as from different Ethiopian universities and institutions. The country has the potential to produce more fish yield (94, 500 ton/year. The published and unpublished...
February 2019
African Journal of Environmental Science and Technology
Modelling and simulation of atmospheric conditions impact on photovoltaic production in Saint Louis area
In this study, we worked on the modelling and the simulation of atmospheric conditions impact on photovoltaic production in Saint Louis area. Using Ineichen's model based on the disorder factor of Link, an assessment of sunshine in the study area was made. A characterization of the irradiation is elaborated by modelling the radiation and by simulating outputs of a photovoltaic power plant. We can estimate aerosols...
Page 9 of 1162, showing 50 records out of 58059 total, starting on record 401, ending on 450
