Articles
Page 9 of 1176, showing 50 records out of 58772 total, starting on record 401, ending on 450
September, 2019
Journal of Medicinal Plants Research
DNA methylation as the most important content of epigenetics in traditional Chinese herbal medicine
Traditional Chinese medicine is commonly used in China and so many other Asian and western Countries. Epigenetics relates to heritable alternations in chromatin architecture that do not involve changes in the underlying DNA sequence but profoundly affect gene expression and impact cellular function. Epigenetic regulation is attained by specific mechanisms involving DNA methylation, histone posttranslational...
September 2019
African Journal of Food Science
Enhancement of nutritional quality of rice flour with mucuna beans (Mucuna pruriens)
The effect of fermentation on the proximate and anti-nutritional properties of rice flour enriched with mucuna beans was investigated in this study. The rice-mucuna beans flour blends were formulated in various ratios and fermented for 72 h. The predominant moulds isolated during the fermentation were Aspergillus flavus, Aspergillus fumigatus, Geotrichum candidum and Rhizopus stolonifera. After fermentation, the protein...
September, 2019
Journal of Medicinal Plants Research
Ethnobotanical studies of medicinal plants used in traditional treatment of malaria by some herbalists
in Ghana
The use of medicinal plants for the treatment of diseases including malaria is a common practice in Ghanaian traditional medicine. The objective of this study is to document indigenous knowledge of medicinal plants used for the treatment of malaria through ethno-botanical studies to facilitate the discovery of new sources of drugs. The study was carried out in 2018 at the Centre for Plant Medicine Research (CPMR) among...
September, 2019
African Journal of Agricultural Research
Assessing fish production, demand and supply in the selected districts of North Shewa Zone, Ethiopia
This study was aimed to assess fish production, supply and demand in selected districts of North Shewa Zone, Amhara Regional State, Ethiopia to generate base-line data that would help in the proper and sustainable utilization of fishery and water resources. Structured and semi structured questionnaires were employed as a means of data collection tools. Respondents from five districts that is, Merhabete, Menz Mama, Menz...
September, 2019
African Journal of Agricultural Research
Botanical control of cultivated plants of Lippia chevalieri Moldenke (Verbenaceae)
In Mali, the Malarial-5 which is an improved traditional medicine (ITM) made partly with the leaves of Lippia chevalieri is used to treat symptoms of uncomplicated malaria. One of the issues related to the production of this ITM is the quality of the raw material. The present work aimed to control the quality of the leaves from cultivated plants of L. chevalieri. This study was carried out from 2015 to 2016 in Mali. The...
September, 2019
African Journal of Agricultural Research
Farmers’ insecticide use practices and species composition and abundance of thrips species (Thysanoptera: Thripidae) on onion in the Rift Valley of Ethiopia
A survey was conducted in 2016 in the major onion producing areas of the Ethiopian Central Rift Valley. A structured questionnaire was used to assess farmers’ management practices with a focus on the use of insecticides. Plant samples were collected to assess species composition of thrips and their abundance. Results showed that insecticides were the only control methods for onion growers to control thrips...
September 2019
African Journal of Food Science
Utilization and haematological changes of fish fed African star apple (Chrysophyllum albidum) seed meal
In fish farming, nutrition and haematology are critical. The former accounts for 70% production cost and the later determines an excellent health status of fish. Feeding trials were conducted in the laboratory for 12 weeks to evaluate the growth performance and haematological parameters of Clarias gariepinus fed varying levels of Chrysophyllum albidum seed meal (ASASM) as a replacement for maize in diets. The...
September 2019
African Journal of Plant Science
Association and path coefficient analysis among grain yield and related traits in Ethiopian maize (Zea mays L.) inbred lines
Twenty four inbred lines developed by the Ethiopian National Maize Breeding Program were evaluated at Jimma Agricultural Research Center during the main season of the year 2016 in an 8 X 3 Alpha Lattice (0, 1) design with three replications. The objective was to determine the phenotypic and genotypic association among traits in Ethiopian maize inbred lines and to compare the direct and indirect effects of traits on...
July –December 2019
Journal of Petroleum and Gas Engineering
Evaluating the performance of ultrasound energy on improved oil recovery using MATLAB reservoir simulation toolbox (MRST)
There are many processes the oil industry used to recover more oil from the reservoir after the natural energy is depleted. In this research work, ultrasound energy has been tested as a method of improving oil recovery after waterflooding. The method used in this research work was a numerical simulation using MATLAB Reservoir Simulation Toolbox (MRST-2017a). Ultrasound energy source equation was incorporated into the...
July-December 2019
Journal of Physiology and Pathophysiology
Omega-3 polyunsaturated fatty acids confer protection against gentamicin-induced testicular injury: Novel insights into possible mechanisms
Gentamicin (GM) is an aminoglycoside that has harmful effects on the male germ cells and sperm quality. N-3 polyunsaturated fatty acids (n-3 PUFA) are natural antioxidants that influence cell signaling and inflammation. Heme-oxygenase-1 (HO-1) and heat shock proteins (HSP) aid in cellular protection against cellular insults. This study aimed to explore the potential alleviating influences of treatment with n-3 PUFA on...
July –December 2019
Journal of Cereals and Oilseeds
Assessment of seed oil yield and characteristics of ten castor plant (Ricinus communis L.) Accessions in Ogbomoso, Nigeria
Experiment was conducted to assess the seed oil yield and physical and chemical characteristics of ten castor plant accessions. The experiment was laid out in a Randomized Complete Block Design replicated three times. At maturity, the racemes were harvested and seeds were extracted. One hundred gram of seed was taken from each accession for oil extraction. The extracted oils were analysed for physical properties and...
September 2019
African Journal of Environmental Science and Technology
Non-linear equilibrium and kinetic study of the adsorption of 2,4-dinitrophenol from aqueous solution using activated carbon derived from olives stones and cotton cake
Olives stones and cotton cakes have been investigated as a cheap and available precursor used for the production of novel carbon using potassium hydroxide as chemical activating agent with 2:1 impregnation ratio at 1.5 M KOH. Carbonization was performed at 450°C for one hour. The activated carbons NOK and MK3 were characterized by Iodine Number, Fourier Transform Infrared (FTIR) spectroscopy, EDX Analysis, Scanning...
September, 2019
African Journal of Agricultural Research
Grain quality and nitrogen use efficiency of bread wheat (Triticum aestivum L.) varieties in response to nitrogen fertilizer in Arsi highlands, southeastern Ethiopia
Field experiments were conducted in 2017/18 cropping season at Kulumsa Research Center Farm (OnS) and on farmer’s (OnF) field to assess the effect of N fertilizer rates on grain quality and NUE of bread wheat (Lemu and Wane) varieties. Factorial combinations of Lemu and Wane varieties and five N rates (0, 46, 92,138 and 184 kg N ha-1) were laid out in a randomized complete block design with three replications. The...
September, 2019
African Journal of Agricultural Research
Aggressiveness of Phaeoisariopsis griseola isolates and reaction of common bean varieties to the isolates under greenhouse conditions
Angular leaf spot caused by Phaeoisariopsis griseola is one of the most destructive diseases on common bean in Southern and Southwestern parts of Ethiopia. However, systematic and focus studies were lacking to this important disease. Therefore, greenhouse study was conducted to test aggressiveness of P. griseola isolates and evaluate resistance reactions of bean varieties to pathogenic isolates. 55 leaf samples were...
September, 2019
African Journal of Agricultural Research
Cleome gynandra L. origin, taxonomy and morphology: A review
Cleome gynandra L. is one of the traditional leafy vegetables in Africa and Asia providing essential minerals and vitamins to the diet and income of resource poor communities. Despite these benefits, the crop has not been studied extensively resulting in lack of scientific information to guide crop improvement research and associated agronomic practices. The taxonomy of the crop, its reproductive behaviour, genome size,...
September, 2019
African Journal of Agricultural Research
Factors influencing the level of commercialization among smallholder cassava farmers in Taita-Taveta and Kilifi Counties, Kenya
Commercialization of farm produce is a decision made at the household level. However, the decision is influenced by different socio-economic and institutional factors which in turn affect the level of commercialization. Therefore, cassava farmers in Taita-Taveta and Kilifi counties participate in the market at different commercialization levels due to their difference in market orientation. The Household...
September, 2019
Journal of Medicinal Plants Research
Chemical composition, in vitro antioxidant and antiparasitic properties of the essential oils of three plants used in traditional medicine in Benin.
Sclerocarya birrea (Sb), Psidium guajava (Pg) and Eucalyptus camaldulensis (Ec) are widely used in traditional medicine for the treatment of many diseases, some of which were related to oxidative stress and parasitic diseases. Their essential oils (EO) were analyzed by GC/MS and FID and tested in vitro for their antioxidant activities (DPPH), their anti-trypanosomal and anti-plasmodial activities against Trypanosoma...
September 2019
African Journal of Biotechnology
Extreme resistance to late blight disease by transferring 3 R genes from wild relatives into African farmer-preferred potato varieties
Three late blight resistance (R) genes from wild potato species were transferred as a stack into the farmer-preferred varieties ‘Tigoni’ and ‘Shangi’. Transgenic events were tested by detached-leaf assays (DLA) and whole-plant assays (WPA) with isolates of Phytophthora infestans using 20,000 sporangia / mL inoculum. For the first DLA, 9 out of 13 ‘Tigoni’ and 10 out of 12...
September 2019
African Journal of Biotechnology
Characterization of products from sawdust biodegradation using selected microbial culture isolated from it
Characterization of products from sawdust degradation using selected microbial culture isolated from it was carried out. A composite sawdust waste sample was collected from MCC timber market in Calabar. The sample was diluted using serial dilution method and inoculated on Nutrient agar and Sabauraud dextrose agar using pour plate technique and incubated at 370C and 270C respectively. Five bacteria species and 3 species...
September 2019
Journal of Public Health and Epidemiology
Determinants of focused antenatal care service satisfaction in public health facilities in Ethiopia 2018: A mixed study design
Ethiopia has been implementing focused antenatal care package to reduce maternal and child deaths. The quality of antenatal care service has not being resolved widely due to unstandardized measurement. Hence, this study assessed determinants of focused antenatal care service satisfaction in Public Health Facilities of West Guji Zone, Ethiopia, 2018. A facility based cross-sectional triangulated with qualitative study...
September 2019
Journal of Public Health and Epidemiology
Knowledge and practice of essential newborn care among postnatal mothers in Addis Ababa City Health Centers, Ethiopia
Essential newborn care is a wide-ranging approach planned to improve the health of newborn through interventions after pregnancy. In Ethiopia, about 120,000 newborns die every year in the first weeks of life which accounts for 42% of all deaths of under-five mortality. Therefore, this study aimed to assess the knowledge and practice of essential newborn care practices among mothers in Addis Ababa, Ethiopia. A...
September 2019
International Journal of Physical Sciences
The magnetic moment of elementary particles is studied by space vector and space curvature
This paper reaffirms the basic agreement of the material space theory: (1) Space is a physical existence; (2) "Force" is the action to space, and "force" is equal to the reciprocal value of "time"; in the absence of special description, "force" is the reciprocal of time; (3) There is a steady velocity field in three-dimensional space, whose intensity is the speed of light C; (4)...
July-September 2019
Journal of Media and Communication Studies
Facebook use among Nigerians in Houston Texas USA
Social Media came into our world in the 21st century and changed the way things are done, knitting itself into the fabric of everyday living. It has opened the world in ways that was unimagined in previous decades, connecting people through time and space. Being one of the largest immigrant groups in Houston Texas, this study investigates how Nigerians have embraced the new medium as Diasporas. Two Hundred Nigerians...
July-September 2019
International Journal of Nursing and Midwifery
Knowledge and practice of healthy nutrition among pregnant women attending antenatal clinic at selected private hospitals in Benin City
The health of a pregnant mother and her nutritional status can influence the health and survival of the growing foetus because of the biological link between her and her child. This study was conducted to assess the knowledge and practice of healthy nutrition among pregnant women attending selected private hospital, Benin City. Descriptive cross-sectional research design was used for the study. Two hundred and twenty...
September 2019
International Journal of Livestock Production
Effect of supplementing Tsara (Pterocarpus lucens), pigeon pea (Cajanes cajan) leaves and concentrate mixture on carcass characteristics of Begait sheep fed hay as a basal diet
The study was conducted with the objective of determining the carcass characteristics of Begait sheep fed hay basal diet and supplemented with different levels of Tsara (Pterocarpus lucens) leaves, pigeon pea (Cajanus cajan) leaves and concentrate mixture on iso-nitrogenous basis to supply 66.60 g/day crude protein on dry matter (DM) basis. Twenty five yearling male Begait sheep with initial body weight (BW) of...
September 2019
Journal of Ecology and The Natural Environment
Determinants of pastoral communities for adoption of forage production technology in Yabello rangeland, Southern Ethiopia
Nowadays, adoption of forage enhancement technology is considered a primary action plan for enhanced livestock production through increasing forage production among pastoralist communities in the rangeland of Yabello. In addition, a number of factors help in determining adoption of these practices that varies with different socio-demographical issues within the pastoral household. This study focused on identifying major...
September 2019
Educational Research and Reviews
Analysis of the relation between creativity level and problem solving skills of gifted and talented students
The aim of this study is to analyze the relationship between intellect and creativity level of students with gifted, and to understand the relationship between their creativity level and creative problem solving skills. The target group of this study consists of a total of 20 primary school students between the ages 7 and 10; it is determined by the counseling and research center that the students involved in the study...
September 2019
Educational Research and Reviews
Educational system and media content in the Republic of South Africa
In this study, the education system of the Republic of South Africa was explored. The study focused on the successes as well as problems faced by the educational system. The research questions focused on the quality of education in the country. It also explored the problems faced by students as they try to gain access to schooling at all levels of the education system. Qualitative methods were used to collect data for...
September 2019
Educational Research and Reviews
The relationship between self-sabotage and organizational climate of schools
This study aimed to determine the relationship between self-sabotage behaviours of school administrators and teachers and their perceptions of organizational climate in schools. In the present study, ‘correlational screening model’ which is a quantitative research method was used. A sample consisting of 1204 teachers and 166 administrators working in 74 Turkish schools was selected through stratified cluster...
September 2019
African Journal of Microbiology Research
Prevalence of intestinal schistosomiasis infections among school children in Danane, Western Côte D’Ivoire
Intestinal schistosomiasis is very common in children and cause significant morbidity. Danané is located in the west of the Côte d’Ivoire which is an area where intestinal schistosomiasis transmission is established. The Ministry of Health of Côte d'Ivoire which have acceded to the global goal of eliminating these diseases as a public health problem, has adopted a five year strategic plan in...
September 2019
African Journal of Microbiology Research
Construction of a genetically engineered strain of nattokinase and assessment of its fibrinolytic activity
A strain of Bacillus natto was isolated from natto and found to have a high yield of nattokinase. The aprN and pro-aprN gene fragments, encoding nattokinase from Bacillus natto, were amplified using two pair of primers and were expressed in Bacillus subtilis WB800N host cells using the pHT43 plasmid as a vector. In this system, the effect of leader peptides on nattokinase activity, revealing that these leader peptides...
September 2019
African Journal of Business Management
Alcohol consumption and conflicts in developing countries: A qualitative and a quantitative research concerning Christian consumers in Burkina Faso
The interest of researchers on consumption and conflicts is explained by the fact that consumption behavior leads to conflicts. Most of the studies on the topic are done in other contexts, and little research on the subject has been conducted in the context of Burkina Faso. This research aims to explore the concepts of alcohol consumption and conflicts in Burkina Faso, and underline the role of culture in management....
September 2019
African Journal of Business Management
Determinant factors of consumers’ bank selection decision in Sudan
The purpose of this study is to identify the key determinant of the bank selection decision by Sudanese banks’ customers. The motivation for this paper is the lack of research that empirically studied bank selection criteria that influence customers' selection decisions on banking services in Sudan. Data were collected using self-administered questionnaires to a sample of 253 of Banks customers in Khartoum...
September 2019
African Journal of Microbiology Research
Evaluation of inactivated vaccine against fowl cholera developed from local isolates of Pasteurella multocida in Ethiopia
Fowl cholera caused by Pasteurella multocida is among the serious infectious diseases of poultry in Ethiopia. This study was conducted to develop a vaccine from local strains of P. multocida and evaluate its performance. Inactivated vaccine was prepared following the OIE standards in three adjuvant formulations (oil, alum and gel). The performance of the different formulations was evaluated at different dose rates (0.5...
September, 2019
African Journal of Agricultural Research
Assessing yield stability and adaptability of Andean common bean genotypes in the semi-arid environment of Botswana
Common bean (Phaseolus vulgaris L.) is a vital source of nutrients worldwide. It is one of the most consumed grain legume in Botswana. Fourteen Andean common bean genotypes were evaluated in four environments (two seasons and two diverse agro-ecologies) to determine the effect of genotype and environment interaction and yield stability. The genotypes were grown in a randomized complete block design with three...
September, 2019
African Journal of Agricultural Research
Heritability of reversion from Sweet potato feathery mottle virus infection in sweetpotato
Sweet potato feathery mottle virus (SPFMV) causes 50% yield losses in sweetpotato (Ipomoea batatas). However, some cultivars have been observed to become SPFMV free following initial infection, a phenomenon termed reversion. The heritability of reversion from virus infections in sweetpotato remains unclear. This study is aimed at determining heritability of reversion from SPFMV in progeny of crossed reverting and...
September, 2019
African Journal of Agricultural Research
Yield prediction under associated millet and cowpea crops in the Sahelian zone
Dekads in the prediction of yields under associated millet and cowpea crops were studied in three localities located in the Sahelian zone. Multiple linear regressions was applied to create predictive models based on variables extracted from the decadal Normalized Difference Vegetation Index (NDVI) image series from the SPOT VEGETATION satellite, the GeoWRSI tool, and the recorded ground rainfall. The earliest forecast...
September, 2019
African Journal of Agricultural Research
Vegetative and enzymatic analysis of the initial stages of Coffea arabica L. grown from seeds treated with humic substances
Arabica coffee is a perennial crop usually propagated by seeds, which must be healthy and able to form normal plants. The objective of this study was to analyze the vegetative and enzymatic reactions in the initial stages of Arabica coffee seedlings treated with different humic substances and at different concentrations. A germination test was conducted with Arabica coffee seeds of the Topazio MG 1190 cultivar using...
September 2019
International Journal of Livestock Production
Feed intake, digestibility and growth performance of Begait sheep fed hay basal diet and supplemented with Tsara (Pterocarpus lucens), Pigeon pea (Cajanus cajan) leaves and concentrate mixture
The study was conducted with the objective of measuring feed intake, digestibility, and growth performance of Begait sheep fed hay basal diet and supplemented with different levels of Tsara (Pterocarpus lucens) leaves, Pigeon pea (Cajanus cajan) leaves and concentrate mixture on iso-nitrogenous basis to supply 66.60 g/day crude protein (CP) on dry matter (DM) basis. Twenty five yearling male Begait sheep with initial...
July –December 2019
Journal of Cereals and Oilseeds
Evaluation of diallel crosses of maize at multilocation (Zea mays L.) for saline tolerance
A diallel cross was produced using diverse maize (Zea mays L.) germplasm of saline tolerant and saline susceptible maize lines as parents. Agronomic performance of the offspring of the diallel cross was examined. Eight germplasm lines bearing diversified agronomic traits of five known tolerant and susceptible lines were involved as parents of the diallel cross that was evaluated at three different ecological areas viz....
September 2019
African Journal of Biotechnology
Phenotypic characterization of selected Kenyan Khat (Catha edulis) cultivars based on morphological traits
Khat (Catha edulis Vahl) is an evergreen shrub habitually ingested for its euphoric and stimulatory effects. The crop is grown in the Middle East, Somalia, East Africa and Ethiopia. It is referred to as Miraa in Kenya, while in Yemen it has several names like Qat, Kat, Kath, Gat, Chat and Tschat. It belongs to the sub-order Rosidae, family Celastraceae and characterized by astringent taste. Despite the daily use and...
September 2019
African Journal of Biotechnology
Potential of Opuntia stricta Haw (Mexican elephant ear) in removing cyanobacteria in surface water
In this study, assays were carried out to evaluate the efficiency of cactus Opuntia stricta cladodes as a coagulant for removal of cyanobacteria cells. To carry out the coagulation assays, water from eutrophic reservoir Bodocongó, in Brazilian semiarid, with cyanobacteria bloom of Microcystis aeroginosa, Plankthotrix isothrix and Cylindrospermopsis raciborskii were sampled. This water was submitted to coagulation...
September 2019
African Journal of Microbiology Research
Molecular characterization of Acinetobacter baumannii from patients with prolonged hospital stays in three tertiary hospitals of Kano Metropolis,
Northwestern Nigeria
Acinetobacter baumannii is one of the most important opportunistic bacterial pathogens that cause serious health care associated complications in hospitalized patients. This leads to prolong hospital stay which increase cost to both healthcare provider and family of the patients. The study aimed at molecular characterisation of A. baumannii from patients with prolonged hospital stays in three tertiary hospitals of Kano...
September 2019
African Journal of Microbiology Research
Region of acquisition of urinary tract infection (UTI) may be an important parameter while treating UTI cases
The study recently published on urinary tract infection (UTI) cases at Najran University Hospital, Najran region of Saudi Arabia (Alshabi et al., 2019), though small, only on 19 cases, have been concluded beautifully, “regional clinical data regarding the prevalence and efficacy of antibiotics should be taken into consideration along with the treatment guidelines”. The authors reported a study on only 19...
September 2019
African Journal of Food Science
Chemical compositions of the essential oils of Plukenetia conophora leaves
Plukenetia conophora fresh leaves were obtained from a farm in the Surulere Local Government Area of Oyo State, Nigeria. The plant is a climber which normally found support in kola nut or cocoa tree. Standard method was used for the extraction of the oil. The oil was analyzed using gas chromatographic and gas chromatography coupled with mass spectrometric methods. Fifteen compounds were identified in the leaves. The...
July - Sept 2019
Scientific Research and Essays
Structural plasticity and species distribution in a peri-urban mangrove of Southeastern Brazil
The goal of this study was to evaluate the structural plasticity and distribution of mangrove species in the Estuarine System of Greater Vitória (ESGV). Four areas distributed along the estuary were analyzed. Fringe and basin forests were sampled in each station. Concomitantly to the forest sampling, interstitial salinity was measured in the field, and sediment was collected for analysis of organic matter (OM)...
September 2019
Educational Research and Reviews
The opinions of participants’ about Grundtvig workshops on history and culture
Grundtvig programme are activities aimed at providing adults with ways to improve their knowledge and skills. This study examined the opinions of adults who participated in four workshops on history and culture organized throughout Europe between 2009 and 2014 under the Grundtvig Adult Education Programme and Lifelong Learning Programme of the EU. The aim of the study was to analyze the opinions of adults from different...
September 2019
Journal of Stored Products and Postharvest Research
Evaluation of morphometric and physiological seed quality traits of improved cowpea (Vigna unguiculata L. Walp) varieties in Sierra Leone
A study was conducted at the Seed Laboratory of the Njala Agricultural Research Centre (NARC) to evaluate the seed quality traits of five cowpea genotypes at room temperature (25 ± 2°C). The five genotypes studied were Slipeas 1, 2, 4 and 5 and local Tabe. The trial was laid out in a Completely Randomized Design (CRD) in four replicates. The results indicated that the local variety (Tabe) had the highest...
July-September 2019
Journal of Soil Science and Environmental Management
Impacts of soil and water conservation on crop yield, soil properties, water resources, and carbon sequestration: A review
This paper reviews the impact of soil and water conservation (SWC) measures on crop yield, soil properties, water resources and carbon sequestration. Land degradation due to soil erosion in Ethiopia is too severe which affects the livelihood of a community and ecosystem functions. The dry and highland part of the country was identified as seriously vulnerable to land degradation because of soil erosion. And, soil...
July-September 2019
Journal of Soil Science and Environmental Management
Soil characterization and evaluation of blended (YaraMila cereal) fertilizer for bread wheat (Triticum aestivum L.) production at Aleltu areas in North Shewa Zone of Oromia region
The main objective of the study was to characterize the soils on the basis of selected soil physicochemical properties and to evaluate the effects of blended fertilizer (YaraMila cereal) applications on yield and yield components of bread wheat on the major soil types in the study area. The field experiment involved 5 treatments (control, three rates of blended fertilizer and recommended nitrogen and phosphorus...
Page 9 of 1176, showing 50 records out of 58772 total, starting on record 401, ending on 450
