Articles
Page 2 of 1151, showing 50 records out of 57545 total, starting on record 51, ending on 100
February 2019
Journal of Horticulture and Forestry
Socio-economic importance of highland bamboo (Yushania alpina K. Schum) and challenges for its expansion in Bibugn District, East Gojjam, Ethiopia
Highland bamboo (Yushania alpina) plays an important role in various socio-economic aspects in Ethiopia. However, these socio-economic roles and the associated challenges have not been studied in Bibugn District of East Gojjam, Ethiopia. Therefore, this study was conducted to assess the socio-economic importance of highland bamboo and the associated challenges for its expansion. For this study, four rural sub-districts...
February 2019
African Journal of Plant Science
Family Neuradaceae J. G. Agardh in Saudi Arabia
Morphological characters, seed coat sculpturing (SEM) of seed, leaf, pollen grains and also a key aspects were revisited to revise relationships between dissimilar taxa of the genus Neurada in Saudi Arabia. The present revision shows the occurrence of three distinctive varieties (var. procambens, var. al-eisawii and var. stellate); the last two varieties considered a new registration in Flora of Saudi...
February 2019
African Journal of Plant Science
Genetic variability studies of some quantitative traits in cowpea (Vigna unguiculata l. [walp]) under water stress
This research was conducted to study genetic variability of some quantitative traits in varieties of cowpea (Vigna unguiculata L. [Walp.]) under water stressed in Zaria Sudan Savannah, Nigeria. Seven varieties of cowpea (Sampea 1, Sampea 2, IAR1074, Sampea 7, Sampea 8, Sampea 10 and Sampea 12) collected from Institute for Agricultural Research, Samaru, Zaria, were screened for tolerance to water stress. The seeds were...
February 2019
African Journal of Plant Science
Correlations and path Analysis of some quantitative characters in barley (Hordeum vulgareum L.) landraces in western Oromia, Ethiopia
Barley is recognized as one of the oldest cereal crop in Ethiopia grown for various uses. The knowledge of the association between various yield components and yield is paramount important for effective selection in crop improvement. The present study was to determine the interrelationship and direct and indirect effects of yield component traits on grain yield of Ethiopian landraces barley for further...
February 2019
African Journal of Biochemistry Research
Shea butter extraction technologies: Current status and future perspective
Shea butter is a high–value shea nut fat used as an edible oil, antimicrobial and moisturiser in the food, pharmaceutical and cosmetic industries, respectively. The annual worldwide export of shea nut from Africa is 350,000 MT of kernels with a market value of approximately $120 million to producing countries. The multifunctional properties of the shea butter depend strictly on its compositional properties: the...
February 2019
African Journal of Biochemistry Research
Association of metabolic syndrome with the risk of developing liver disease in chronic hepatitis B patients
Metabolic syndrome is a constellation of abnormal glucose and lipid metabolic parameter that increases ones risk of developing cardiovascular diseases. Metabolic profiles have been linked to progression of varying stages of liver disease in chronic hepatitis B infection. The main objective of this prospective cross sectional study was to establish a link between metabolic syndrome indicators and markers of progression...
February 2019
Journal of Diabetes and Endocrinology
Antidiabetic effect of aqueous extract of ripe Carica papaya Linnaeus seed in alloxan-induced diabetic albino rats
This research was carried out to evaluate the antidiabetic effect of aqueous extract of ripe Carica papaya L. seed in alloxan-induced diabetic albino rats. Diabetes is a metabolic disease associated with sustained hyperglycaemia. Diabetes has become a global threat because its incidence is increasing on daily basis. Pathogenesis of diabetes mellitus and the possibility of its management by therapeutic agents without any...
February 2019
International Journal of Fisheries and Aquaculture
Identification of possible causes of fish death in Lake ‘’Lake Kabo’’
Any adverse change in the environmental conditions affects the life of aquatic organisms in water. Fish death was suddenly observed in Lake Kabo. To investigate its cause and look for solution, a research team started to consider the Lake. The present study was conducted to identify the reason for the fish deaths that accidentally occur in the lake. To achieve the objective samples were collected from four different...
February 2019
International Journal of Fisheries and Aquaculture
Age, growth and mortality rates of round sardinella, Sardinella aurita (Valenciennes, 1810) from the Senegalese coasts (West Africa)
Sardinella aurita is the main species exploited by small-scale fisheries in Senegal and represents an important source of low cost protein in the Senegalese market. The objective of this study was to determine the age, growth and mortality parameters of S. aurita obtained from the Senegalese coastal waters. Age, growth parameters and mortality rates of this species were estimated using FiSAT II (FAO–ICLARM Stock...
February 2019
International Journal of Water Resources and Environmental Engineering
Preference for water boreholes to odor stream harnessing at Amaopkara
The paper focuses on provision of sustainable portable water to Amaokpara community in Orumba Local Government Area of Anambra State, using “Decision Tree Analysis” which involves two options of water boreholes and odor stream harnessing. This is to achieve one of the key targets of millennium development goals by 2015, which is aimed at the proportion of people without sustainable access to safe drinking...
February 2019
International Journal of Water Resources and Environmental Engineering
Assessment of water resources management and past works on water points development in Borana Rangelands, Southern Oromia, Ethiopia
Water is the principal resource for all living to prosper but a major limiting factor when mismanaged. The wide spread clearing of trees has caused soil erosion that is resulting silt accumulation in the reservoirs 40 to 50% /year. Purposive selection techniques have deployed for this study to gather information. Borana community has been managing water and pasture using its customary institutions called...
February 2019
International Journal of Fisheries and Aquaculture
Value chain analysis of small-scale fisheries in the High Dam Lake in Egypt
Although, High Dam Lake small-scale fisheries is an important source of fish for residents of Aswan in Upper Egypt, there is limited information available about the performance of small-scale fisheries value chain. Structured questionnaires with fishers, traders, and processors were used to collect input and output data at each node of the chain. Focus group discussions meeting with stakeholder collected qualitative...
February 2019
Journal of Agricultural Extension and Rural Development
Assessment of forest management practices and livelihood income around Arero dry Afromontane forest of Southern Oromia Region in Borana Zone, South Ethiopia
Forest resources are often well managed by local communities either through their own initiatives using traditional institutions or being organized with assistances from development actors such as non-governmental organization (NGOs) and governmental organizations (GOs). The study was aimed to assess forest management practices, and the contribution of forest resource for communities’ livelihoods of Arero forest...
February 2019
Medical Case Studies
The great mimicker: A rare case of Iliopsoas abscess associated with vertebral and sacroiliac osteomyelitis
A 21-year-old, recent Indian migrant to Australia, presented to the Emergency Department with a 3-week history of worsening right buttock and thigh pain and weakness, associated with fever of up to 39°C and weight loss of 3 kg. On examination, the patient demonstrated a right-sided antalgic gait with a limp and weakness of right hip flexion. The patient was tachycardic with a heart rate of 140, and had raised...
February 2019
International Journal of Library and Information Science
Use of electronic resources by postgraduate students in University of Cape Coast
The study investigates the use of electronic resources by postgraduate students in University of Cape Coast (UCC). It specifically targets first year postgraduate students of UCC. Awareness, usage, training, and access were explored. A survey method was employed and a structured questionnaire was utilized to solicit data. The findings revealed that, though students are aware of electronic resources, they do not fully...
February 2019
International Journal of Medicine and Medical Sciences
Prevalence of preoperative hypertension and its intraoperative anesthetic management among patients undergoing elective surgery at Hawassa University Comprehensive Specialized Hospital, Southern Ethiopia
Overall, twenty of the world’s adult populations live with hypertension. Blood pressure determination forms an integral part of anesthesiologist’s evaluation of the patient prior to and during surgery. 25% of surgical patients have hypertension preoperatively. There are several risks related to untreated preoperative hypertension in perioperative and postoperative phase. The objective of this study was to...
February 2019
African Journal of Pure and Applied Chemistry
Production and characterization of derived composite biosorbents from animal bone
Composite biosorbents were produced from animal bone by carbonization, activation of animal bone char with phosphoric acid and zinc (II) chloride independently, and the obtained activated carbons were separately impregnated on chitosan. The chitosan was produced from chitin, which was extracted from shrimp shell through deminerization, deproteinization and deacetylation processes. Comprehensive characterization studies...
February 2019
International Journal of Water Resources and Environmental Engineering
Detection of hydrological impacts of climate change in Benin by a multifractal approach
This study analyzed the hydrological impacts of climate change over Bénin synoptic stations from 1951 to 2010 using multifractal approach. This method is based on the study of temporal evolution of fractal dimension (D_f), multifractality index (α), co-dimension (C_1) and probable maximum singularity (γ_s). The comparison of the average values of yearly fractal dimension ((D_f)) ̅ obtained over the...
February 2019
Journal of Chemical Engineering and Materials Science
Objects impact effect on thermal fatigue life of unidirectional T700 Carbon Fiber/Epoxy
The main objective of this study is to investigate the effect of meteorites and debris impact on thermal fatigue life of unidirectional T700 carbon fiber/epoxy composite material. This composite material may be applied in space structures for space missions. These structures are exposed to thermal cycles as they go in and out of the planet’s shadow. If in this environmental condition, meteorites and debris impact...
February 2019
Journal of Medicinal Plants Research
Essential oil composition, antifungal activity and leaf anatomy of Lippia alba (Verbenaceae) from
Brazilian Chaco
This study aims to determine the essential oil chemical composition of Lippia alba (Mill.) N.E.Br. ex Britton & P. Wilson collected in the Brazilian Chaco where plants grow in conditions of high temperatures in the summer, periodic flood, low temperatures and air humidity in the winter. We also evaluate the oil antifungal activity against the animal and plant pathogenic fungi Aspergillus flavus, A. fumigatus, A....
February 2019
Educational Research and Reviews
Perceived problems of 4th grade primary school students related to their families and schools
The purpose of this study was to reveal the problems perceived by fourth grade students in their own lives. The research was carried out with a basic interpretative qualitative research design. This method was used in order to examine in depth the vital problems perceived by fourth grade students. For the study, data were collected in the spring term of 2016-2017 academic year. The appropriate/accidental sampling method...
February 2019
Educational Research and Reviews
A lesson plan model for character education in primary education
The purpose of the study is to design a lesson plan model for character education in primary education, and to elicit the related stakeholders’ opinions and suggestions on the proposed lesson plan model. As a qualitative design research, the data in this study were collected through written document analysis and interview. Criterion sampling method was used to determine the participants of the study. The...
February 2019
Educational Research and Reviews
An examination of the relationship between primary school students’ environmental awareness and basic science process skills
The aim of the research was to examine the relationship between primary school students’ environmental awareness and basic science process skills based on various variances. Within relational research model, the research was conducted with 332 grade 3 and 4 students. Primary School Environmental Awareness Scale and Basic Skills Scale were used to collect data. Demographic features were employed to determine the...
February 2019
African Journal of Pharmacy and Pharmacology
Endothelium-independent vasorelaxation by dichloromethanolic fraction from Anogeissus leiocarpa (DC) Guill. Et Perr. (Combretaceae) bark of trunk on porcine coronary artery rings: Involvement of [Ca2+]i decreased and phosphodiesterases inhibition
Anogeissus leiocarpa (DC) Guill. et Perr. belongs to the Combretaceae family and was previously named A. leiocarpa (DC) Guill. Et Perr. It has been widely used in Burkina Faso by traditional medicine for the treatment of hypertension. Previous study showed that the dichloromethanolic fraction from the barks of trunk of A. leiocarpa (ALF) has induced an endothelium-independent and endothelium-dependent vasodilation...
February 2019
Scientific Research and Essays
Compaction and strength characteristics of recycled pavement material: Cement mixtures used for road pavement purposes
The implementation of conventional soil-cement stabilization techniques is hindered by the relatively large particle size of road pavement materials. This study aims to investigate the effects of the gradations of soil particles, cement content, and water content on the soil-cement materials (real construction materials collected from the field) used for pavement. Recycled crushed rock obtained from the pulverizing...
February 2019
African Journal of Business Management
The impact of firms’ characteristics in accessing finance by micro, small and medium enterprises in Southern Ethiopia
There is a concurrence among different stakeholders such as policy makers, economists, and business experts that Micro Small and Medium enterprises (MSMEs) are engines of economic growth. The dynamic role of MSMEs in developing countries insures them as engines through which the growth objectives of developing countries can be achieved. However many problems encounter MSMEs and as a result, many firms perform dismally...
February 2019
African Journal of Business Management
Investigating the effectiveness of entrepreneurship education in developing entrepreneurial intentions among students in HEIs located in Blantyre
District of Malawi
This paper aims to investigate the effectiveness of entrepreneurship education in developing entrepreneurial intentions among students in HEIs in Blantyre District of Malawi. A mixed method approach consisting of quantitative and qualitative methods was employed. In total 60 participants were purposively sampled for the study of which 42 responded to the questionnaire that was administered. This represents a response...
February 2019
African Journal of Microbiology Research
A comparative study on antibacterial effects of Hagenia abyssinica oil extracted from different parts of the plant using different solvents against two selected and standardized human pathogens
Hagenia abyssinica is an important medicinal plant that the traditional society relied on for generations as a traditional medicine for various types of worm infections. The tree is a multipurpose dioecious tree and can grow up to 20 m in length. This research work is designed to investigate the antibacterial activity of H. abyssinica oils extracted using three different kinds of solvent and from three...
February 2019
African Journal of Microbiology Research
Biosynthesis of cadmium selenide quantum dots by Providencia vermicola
Cadmium selenide quantum dots (CdSe QDs) were synthesized by using Providencia vermicola BGRW, which has discriminatory ability to resist many metals such as Selenium, Cadmium, Silver, Zinc, Copper, Lead, Nickel, Cobalt and Bismuth metals. BGRW was able to grow in the presence of 6 mM of CdCl2. The best conditions for extra/intracellular CdSe QDs synthesis were 0.1 mM SeO2: 0.9 mM CdCl2, 37°C, pH 9 within 24 h. The...
February 2019
African Journal of Microbiology Research
Influence of aqueous extracts of black angico on Pratylenchus brachyurus in cotton plants
The root lesion nematode (Pratylenchus brachyurus) is one of the main phytosanitary problems of cotton plants in Brazil. Searching for alternatives that minimize the damages in the crop, several methods are performed aiming to manage these damages. Among them, is the use of vegetal extracts. In this sense, the aim of this study was to evaluate the potential of black angico extract (Anadenanthera macrocarpa) in the...
February 2019
African Journal of Biotechnology
Regulation of a dominant glutathione S-transferase and Na+/K+ by spermidine under salinity in onion
Spermidine (Spd) is one of the most important polyamines (PAs) showing important roles in growth, development and stress responses in plants. The role of Spd in regulation of a dominant glutathione S-transferase (GST, E.C.2.5.1.18) and ionic balance of Na+ and K+ in onion leaves were examined. Onion GSTs were separated from fresh bulb tissue using DEAE-cellulose chromatography. Three GSTs were eluted at 56, 120 and 169...
February 2019
African Journal of Biotechnology
Genetic structure of cassava populations (Manihot esculenta Crantz) from Angola assessed through (ISSR) markers
Eighteen ISSR primers (between Simple Repeated Sequences) were used to estimate the genetic diversity of Angolan cassava populations in order to identify genetic variabilities and their potential to be used in the diversification of cassava crops in Angola. In order to do so, three populations from three Angolan provinces were analyzed (Cuanza Norte, Uige and Malanje), which totaled 40 genotypes. In total, 116 bands...
February 2019
Educational Research and Reviews
A review on the relationship between critical thinking skills and learning domains of Turkish Language
Knowledge has been transforming and progressing at an unprecedented pace at the present time. In the face of the incomprehensible transformation and progression of the knowledge, human beings have had to change their vital needs. Education is among these vital needs. In the last century, particularly in the last quarter of the century, the developments in the knowledge and science necessitate the formation of relevant...
February 2019
Educational Research and Reviews
Evaluation of Turkish teacher candidates’ perception of note taking concept
Note taking is individual’s recording of the attraction grabbing, unknown or newly learned knowledge in brief notes so as to remember afterwards. Note taking nowadays is no longer a routine action for students but viewed as a skill. In fact, students do not take note of all the word being taught in classes but record the knowledge in short notes, sometimes even shortening the words in a way understandable to them....
February 2019
Educational Research and Reviews
Evaluation of Turkey’s 2013 Visual Arts (Grades 1-8) curriculum
Turkey’s Ministry of National Education aims to identify and develop valuable characteristics to prepare the nation’s young for their professional life as adults. The Ministry has been conducting an extensive and comprehensive review of the educational system since the beginning of 2000. Educational system was implemented in time for the 2012/2013 academic year. The purpose of this study is to evaluate the...
February 2019
Educational Research and Reviews
Perceptions of democracy of foreign students studying at Mustafa Kemal University
In Turkey, foreign students are studying in most of the universities. On July 15, 2016, these students faced a treacherous coup attempt against democracy and were able to witness the Turkish people's reaction to the coup attempt. The aim of this study is to examine the views of foreign students studying at Mustafa Kemal University on democracy. In the literature, foreign students who studied in Turkey have been...
February 2019
Journal of Medicinal Plants Research
Aristolochic acids in herbal medicine: Public health concerns for consumption and poor regulation of botanical products in Nigeria and West Africa
Aristolochic acids are naturally occurring biomolecules found in plants of the genus Aristolochia and Asarum belonging to the family Aristolochiaceae. They are reported to be carcinogenic and nephrotoxic; and are implicated in kidney diseases, aristolochic acid nephropathy (AAN) which may result in kidney failure, other health complications and possibly death. Aristolochic acids are highly genotoxic and are linked to...
February 2019
Journal of Medicinal Plants Research
In vitro effect and scanning electron microscopic changes of Nigella sativa loaded chitosan nanoparticles on Schistosoma mansoni adult
Nanoparticles can act as drug carriers that can modulate pharmacokinetics, increase bioavailability and target release with minimal toxic effects. The present work aimed to assess the therapeutic effect and electron microscopic changes of Nigella sativa loaded Chitosan Nanoparticles (NSLCN) on adult Schistosoma mansoni in vitro. Adult worms were removed from the portal and mesenteric veins of infected mice after 90...
February 2019
Journal of Medicinal Plants Research
Effect of hormones on the seed germination of Bupleurum species
In Asia, Radix Bupleuri (Bupleurum spp. root) is an important medicine used for treating many diseases over the past 2000 years. However, its cultivation is difficult due to poor germination rates and loss of seedling viability shortly after seeding. In the present study, the effect of 6-benzyl aminopurine (6-BA), daminozide, gibberellin (GA3), paclobutrazol, uniconazole, and mepiquat chloride (MC) on the germination of...
February 2019
African Journal of Pharmacy and Pharmacology
Anti-fertility activity of aqueous root bark extracts of Asparagus africanus Lam and Annona senegalensis Pers combination on female Sprague Dawley rats
Many rural and poor women have now resorted to use of potential medicinal plants as a means of fertility control. Asparagus africanus Lam and Annona senegalensis Pers are some of the plants used for this purpose. The efficacy and safety of many of such plants, however, have not been verified. Therefore, screening for anti-fertility activity of potential medicinal plants, would thus provide alternative safe and...
February 2019
African Journal of Pharmacy and Pharmacology
Good practice guidance to support safe oral medication preparation and administration through feeding tubes
The objective of this work is to elaborate good practice guidance, aimed at preparing and administering drugs through feeding tube. This study was performed at a secondary level hospital in the interior of São Paulo state, Southeast Region of Brazil. For the first phase, a literature review was carried out in the following databases: LILACS, MEDLINE, Web of Science, and MICROMEDEX® Solutions. A manual search...
February 2019
African Journal of Microbiology Research
Lactobacillus acidophilus and Bifidobacteria spp having antibacterial and antiviral effects on chronic HCV infection
Hepatitis C virus is a serious hepatic disease that could be developed into hepatocellular carcinoma. Previously, some probiotic strains showed a natural therapeutic activity against the fatty liver disorder. Therefore, it could make sense to evaluate the antiviral and antibacterial responses to probiotics as Lactobacillus acidophilus and Bifidobacteria spp. in patients with chronic hepatitis C virus. Twenty (20)...
February 2019
African Journal of Microbiology Research
Molecular characterization of silver resistant E. coli strains isolated from patients suffering from diarrhea
Silver nanoparticles (AgNPs) are considered a good alternative for antibiotics due to emerging Multidrug Resistance (MDR) crisis. Resistance to AgNPs is approximately limited among Gram-positive and Gram-negative pathogens. Low toxicity to human cells permits its safe use as a new antimicrobial with broad spectrum. Bacterial cells are used as a factory for AgNPs synthesis supplying a powerful antimicrobial with...
February 2019
African Journal of Agricultural Research
Use of vegetable oils in the control of Colletotrichum sp. in banana fruits
Anthracnose is a disease caused by the fungus of the genus Colletotrichum. It is considered an important post-harvest disease in fruits of banana (Musa sp.) which depreciates the commercial value of the fruit. The use of vegetable oils to control fungal growth and disease progression in plants is an important alternative to minimize the deleterious effects of toxic chemicals. Studies were carried out to evaluate the...
February 2019
African Journal of Agricultural Research
Maize-lupine intercrop response to applied nitrogen and phosphorus in North-Western Ethiopia
Maize (Zea mays) is a major staple crop in North-Western Ethiopia. Narrow leaf lupine (Lupinus angustifolius) grain is a commercial concentrates for livestock feed. Maize-lupine intercropping is a sustainable and emerging crop production approach for the resource poor smallholder farmers of North-Western Ethiopia; however, there is no recommended fertilizer rate for the intercrop. Therefore, field experiment was...
February 2019
African Journal of Agricultural Research
Growth of parica seedlings (Schizolobium amazonicum Huber ex Ducke) cultivated in different organic substrates
The forest plantations depends on appropriate initial seedling establishment, which occurs when primary factors (water, light, CO2 and nutrients) are within appropriate ranges. The purpose this study was to evaluate the growth of young parica plants (Schizolobium amazonicum Huber ex Ducke) grown in different organic substrates (chicken manure, goat manure and organic matter) in proportions of 5, 10, 15 and 20% in yellow...
February 2019
African Journal of Agricultural Research
Virulence and characterization of isolates of potato bacterial wilt caused by Ralstonia solanacearum (Smith) in Rwanda
Bacterial wilt (Ralstonia solanacearum) is one of the major potato diseases in Rwanda. An in vitro study was carried out to identify and characterize the pathogen isolated from three potato cultivars (Kinigi, Kirundo and Gikungu) in Rwanda. This was achieved by cultural and morphological tests on triphenyl tetrazolium chloride (TTC) and casamino peptone glucose (CPG) agar as well as biochemical tests through Gram...
February 2019
African Journal of Agricultural Research
An assessment of adaptation options enhancing smallholder farmers’ resilience to climate variability and change: Case of Mbengwi Central Sub-Division, North-West Region of Cameroon
Farmers’ implementation of suitable adaptation measures in the face of climate variability and change (CVC) depends first and foremost on their ability to perceive CVC. This paper analyzes the adaptation measures implemented by smallholder farmers (SHFs) in Mbengwi Central Sub-Division, North-West Region of Cameroon in the face of CVC as well as the determinants of smallholder farmers’ choice of adaptation...
February 2019
African Journal of Agricultural Research
Comparison of bioslurry to common nitrogen sources on potato (Solanum tuberosum L.) yield and yield components in andisols and oxisols of Northern Rwanda
This study evaluated the effect of bioslurry from on-farm biogas production units and other sources of nitrogen fertilizer on Irish potato yield and yield components in northern Rwanda. To achieve this, an on-farm experiment was undertaken in the Andisols of Musanze District and the Oxisols of Gicumbi District in 2012. Three farms were selected to host the study in each District. Six treatments were randomly tested in...
February 2019
African Journal of Agricultural Research
Biomass accumulation and potassium concentrations in tissue of Teff (Eragrostis tef Zucc. Trotter) at three growth stages in Vertisols and Nitisols of the Central Highlands of Ethiopia
Understanding the physiology and time-course of above ground biomass (AGBM) and potassium (K) accumulation pattern in plants and removal from soil is essential to simultaneously increase crop yield and synchronize K demand and K supply, thereby predict crop yield. It is also an essential criterion for optimizing fertilizer practices, and may help to enhance soil and crop quality. A pot experiment was conducted using...
Page 2 of 1151, showing 50 records out of 57545 total, starting on record 51, ending on 100
