Articles
Page 3 of 1189, showing 50 records out of 59449 total, starting on record 101, ending on 150
Journal of Geology and Mining Research
Sequence stratigraphic study of ‘X’ field in eastern offshore of Niger Delta, Nigeria
April-June, 2020
An integrated approach to Seismic interpretation that combines techniques of sequence stratigraphic analysis, seismic facies analysis and attribute analysis is one of the most effective approaches for hydrocarbon exploration in growth-faulted deltaic strata of offshore eastern Niger Delta. These strata are generally thick paralic/marine units deposited along an unstable progradational continental margin. Here, shale...
International Journal of Physical Sciences
Interpretation of aeromagnetic data over some parts of Sokoto Basin, Nigeria, using source parameter imaging and 3D Euler deconvolution methods
April-June, 2020
This investigation is aimed at determining depth to the bottom of magnetic source and to reveal some certain geological features across Sokoto basin using source parameter imaging and 3D Euler deconvolution techniques. The investigation employed fifteen number aeromagnetic sheets covering longitude 4°30'E - 6°00E and latitude 11°00'N - 13°30'N. The total magnetic intensity of the area was...
African Journal of Biotechnology
Comparison and optimization for DNA extraction of okra (Abelmoschus esculentus L. Moench)
June 2020
The extraction of high-quality DNA from okra (Abelmoschus esculentus L. Moench) is notoriously troublesome due to the high contents of polysaccharides, polyphenols, and different secondary metabolites. We have tested seven extraction buffers on silica dried okra leaves. Here, we describe a simple, rapid and modified procedure for high-quality DNA extraction from okra, which is amenable for downstream analyses. In...
African Journal of Biotechnology
Lactic acid bacteria fermentation of coconut milk and its effect on the nutritional, phytochemical, antibacterial and sensory properties of virgin coconut oil produced
June 2020
Coconut oil has profound health benefits but the high content of fatty acids is a concern to many consumers, as several processing methods have failed to produce oil with considerable change in fatty acid content. In this study, selected lactic acid bacteria including Lactobacillus plantarum, Lactobacillus pentosus, Leuconostoc mesenteroides and Enterococcus faecium were used to ferment coconut milk for production of...
African Journal of Food Science
Microbial quality of artisanal yoghurt and Dèguè products collected in schools of Cotonou and Abomey-Calavi (Benin)
June 2020
The main aim of this study is to evaluate the microbiological quality of yoghurt and two types of dèguè (couscous and millet) sold in Cotonou and Abomey-Calavi. Samples of dairy products were collected in 15 schools of Abomey-Calavi and Cotonou from vendors located inside the schools. In this study, 180 samples (60 yoghurt, 60-dèguè millet and 60-dèguè couscous) were analysed....
African Journal of Food Science
Assessment of Arabusta coffee hybrids [Coffea arabica L. X Tetraploid Robusta (Coffea canephora )] for green bean physical properties and cup quality
June 2020
Robusta coffee is known to be high yielding than Arabica coffee, since it is more vigorous in growth. However, it is limited by the inferior cup quality. The aim of the study was to evaluate the performance of the Arabusta hybrids and its backcross derivatives for bean physical characteristics and organoleptic properties including their interrelationship. Nineteen coffee genotypes were evaluated at Siaya ATC and...
Journal of AIDS and HIV Research
Immunological and clinical response to antiretroviral therapy according to baseline CD4+ T-cell count in Karamara General Hospital, Jigjiga, Ethiopia
January-June 2020
In resource limited countries, there is scarcity of information regarding the degree of immunological and clinical recovery in remote communities with ART service. This study retrospectively assessed the degree of immune recovery by CD4 count after initiation of ART. A retrospective cohort study was conducted on adult HIV patients who have been on ART for more than one year at Karamara Hospital. All analyses were...
African Journal of Agricultural Research
Comparison of laboratory methods in predicting the lime requirement of acid soil in Wombera District, North western Ethiopia
June, 2020
Soil acidity is one of the major constraints of crop production in the Ethiopian highlands where precipitation is high enough to leach basic cations leaving the soil acidic. Liming is the major practice used to ameliorate the problem of soil acidity. Currently farmers use Ag lime in their fields to reduce soil acidity. However, the suitability of the existing methods of lime requirement (LR) has not yet being...
African Journal of Agricultural Research
Effect of different rates of filter cake against bruchids (Zabrotes subfasciatus (Boheman) and Callosobruchus maculatus (Fabricius) (Coleoptera: Chrysomelidae) on common bean and cowpea
June, 2020
Storage of common bean and cowpea is limited due to different species of bruchids. Zabrotes subfasciatus and Callosobruchus maculatus are the most important species of bruchids attacking stored common beans and cowpeas, causing yield losses reaching up to 38-100%. Two experiments, one on the effect of different rates of Filter Cake against Z. subfasciatus on common bean, and the other experiment on the effect of...
African Journal of Agricultural Research
Comparison of yield performance and rice quality between direct-seeded and hand-transplanted rice under different nitrogen rates in Eastern China
June, 2020
In order to clarify whether the shift from hand-transplanting seedlings to direct seeding will bring negative effects to rice production and to find optimal nitrogen management for direct-seeded rice in Eastern China, research has been conducted in Quzhou City, in the Zhejiang Province of China in the year 2017 and 2018. One indica inbred rice variety, “Zhongjiazao-17” was planted by two different rice...
African Journal of Agricultural Research
Effect of food types of Galleria mellonella L. (Lepidoptera: Pyralidae) on biological aspects and life table of Apanteles galleriae Wilkinson (Hymenoptera: Braconidae)
June, 2020
In the present work, laboratory and field strains of the greater wax moth, Galleria mellonella L. (Lepdoptera: Pyralidae) were reared on two food types (artificial diet for laboratory strain and wax frames for field strain) to study some biological aspects of the developmental stages of braconid wasp, Apanteles galleriae Wilkinson (Hymenoptera: Braconidae) the parasitoid of G. mellonella. Results of total developmental...
Journal of Environmental Chemistry and Ecotoxicology
Heavy metals in children’s toys and baby items commonly sold in Trinidad and Tobago
January-June 2020
Children’s toys and baby items are a unique source of exposure to heavy metals in young children. It is a global health concern because of the potential risk heavy metals pose during the early years of childhood development. This study assessed the levels of six heavy metals (lead (Pb), manganese (Mn), nickel (Ni), chromium (Cr), cadmium (Cd) and copper (Cu)) in eleven toys and seven baby items currently sold in...
Journal of Public Health and Epidemiology
A study on the relationship between Bacillus Calmette–Guérin (BCG) vaccination and Covid-19 prevalence: Do other confounders warrant investigation?
April - June 2020
The Covid-19 pandemic, which originated from Wuhan, Hubei province, China, and quickly spread to the rest of the globe is caused by SARS-CoV-2 coronavirus. Preliminary data suggest a relationship between the BCG vaccine and the prevalence of Covid-19. The vaccine is used in the prevention of tuberculosis, a disease that is most prevalent in developing countries. To determine the potential protective role of Bacillus...
Journal of Public Health and Epidemiology
Performance of the routine health information system for epidemiological surveillance of road traffic injuries in Benin
April - June 2020
Road crashes are the leading cause of death among people aged 15 and above. The routine health information system is used to monitor common hospital illnesses, including road traffic injuries. The objective of this study was to evaluate its performance in the surveillance of road traffic injuries in Benin in 2019. This was an evaluative study, based on updated guidelines from the Centre for Disease Prevention and...
International Journal of Science and Technology Education Research
Implementation of active learning methods in mathematics classes of Woliso town primary schools, Ethiopia
January-June 2020
The purposes of this study were to explore the nature of the teaching-learning process in line with active learning methods and to identify the major challenges hindering the implementation of these approaches in mathematics classes. Both qualitative and quantitative methods of data collection were employed which is a mixed method research design. Probability proportional sampling technique for students and availability...
African Journal of Agricultural Research
Extent and pattern of genetic diversity for phenol-agro-morphological traits in Ethiopian improved and selected farmers’ varieties of Tef (Eragrostis tef (Zucc.) Trotter)
June, 2020
Forty-nine tef, Eragrostis tef (Zucc.) Trotter, genotypes comprising 36 improved and 10 farmers’ varieties, and, three elite breeding lines were field evaluated using 7 × 7 simple lattice design at two contrasting locations (Debre Zeit and Alem Tena) in central Ethiopia during the main cropping season. The objective was to assess the extent and pattern of genetic diversity for 23 quantitative...
African Journal of Biotechnology
TetraSOD® activates the antioxidant response pathway in human cells: An in vitro approach
June 2020
The combined action of both endogenous and exogenous factors stimulates the production of free radicals and reactive oxygen species (ROS) in cells. They are neutralized by an elaborate antioxidant defense system, superoxide dismutase (SOD) being the first line of enzymes involved in ROS scavenging. However, when ROS production cannot be counteracted by cellular antioxidant mechanisms oxidative stress happens, inducing...
Journal of Environmental Chemistry and Ecotoxicology
Analysis of heavy metal concentration in auto-mechanic dumpsites in Makurdi Metropolis, North Central Nigeria
January-June 2020
This research was carried out to assess heavy metals pollution in Makurdi auto-mechanic dumpsites in Kanshio (K), Northbank (NB) and Wadata (W). Atomic absorption spectrophotometer (PG990) was used to determine the heavy metals concentration. Results of the mean heavy metals concentrations (Cd, Cu, Pb and Zn) were found to be K (4.65, 137.12, 257.77 and 294.75), NB (1.97, 65.67, 162.88 and 223.23), and W (2.92, 85.27,...
African Journal of Microbiology Research
Isolation of an emerging thermotolerant medically important Fungus, Lichtheimia ramosa from soil
June 2020
Lichtheimia ramosa, a ubiquitous clinically important mould was isolated during a screen for thermotolerant fungi obtained from soil on a freshly burnt field in Ikorodu, Lagos State. In the laboratory, as expected it grew more luxuriantly on Potato Dextrose Agar than on size limiting Rose Bengal Agar. The isolate had mycelia with a white cottony appearance on both media. It was then identified based on morphological...
African Journal of Microbiology Research
Fungal diversity within organic and conventional farming systems in Central Highlands of Kenya
June 2020
Fungal diversity in agro-ecosystems is influenced by various factors related to soil and crop management practices. However, due to the complexity in fungal cultivation, only a limited number has been extensively studied. In this study, amplicon sequencing of the Internal Transcribed Spacer (ITS) region was used to explore their diversity and composition within long-term farming system comparison trials at Chuka and...
African Journal of Microbiology Research
Presence of phytopathogenic fungi and oomycetes on rice and avocado crops in Tolima (Colombia)
June 2020
Tolima is one of the largest zones in Colombia where avocado and rice are produced. The disease management programs for these crops are mainly chemical-dependent and tend to have variable results since the diagnosis of some diseases is based on unspecific symptoms. In this context, the present study aims to bring information about the phytopathogens affecting Tolima´s rice and avocado crops. From foliar tissue,...
African Journal of Microbiology Research
Evaluating the efficacy of household filters used for the removal of bacterial contaminants from drinking water
June 2020
Due to the erratic nature of microbial contaminants in drinking water, private and municipality water supply systems failed to deliver safe drinking water to households. In Ethiopia, there is lack of data and knowledge on the effectiveness of filter devices used to treat drinking water at household. This study aims to evaluate efficiency of household point of use filter devices (membrane filter, membrane with activated...
African Journal of Microbiology Research
First novel phages from rodents with lytic activity on clinical Enterobacteriaceae strains: Initiation for phage therapy in West Africa
June 2020
Bacteriophages (phages) are viruses that infect bacteria. The emergence of resistant bacteria has been reported worldwide. The use of phages to treat bacterial infection or to reduce bacteria load has become a new area of interest. The viral colonization of rodents represents an important source for a specific biotope. The objective of this study is to characterize the effect of novel phages isolated from rodents...
Journal of Public Health and Epidemiology
Supply and demand side factors influencing utilization of infant and young child feeding in Gibe District, Hadiya Zone, South Ethiopia
April - June 2020
Although infant and young child feeding practices play an important role in reducing early childhood morbidity and mortality, very large proportions of women do not practice optimal breastfeeding and complementary feeding for their children in Ethiopia. Till date, none has addressed the supply and demand side factors that influence infant and young child feeding practices (IYCFP). This work aims to assess supply and...
African Journal of Agricultural Research
Natural parasitism of hymenoptera (insect) on bruquids associated with Fabaceae seeds in Northern Sinaloa, Mexico
June, 2020
With the purpose of identifying the parasitic hymenoptera species associated with the diversity of bruchidae over Fabaceae, in 2017 seeds of 25 plant species were collected from the municipalities of Ahome, El Fuerte, Choix and Guasave (Sinaloa, Mexico). From 68,344 seeds, 19,396 adult bruquids were obtained, distributed in nine species: Acanthoscelides desmanthi, Callosobruchus maculatus, Merobruchus insolitus,...
Journal of Public Health and Epidemiology
Epidemiology of tuberculosis in the Somme Department, France five years after implementation of the French National Tuberculosis Program
April - June 2020
In order to assess the measures involved in the control of tuberculosis in the Somme Department, France, five years after the implementation of the French National Tuberculosis Program, we found it essential to describe the precise epidemiology on this disease. All reported cases of tuberculosis between 2007 and 2011 were retrospectively included and a descriptive analysis of the incidence of the disease and...
African Journal of Biotechnology
Potential applications of enzymes on the extraction of vitexin from dried Mas Cotek leaves
June 2020
Mas Cotek or Ficus deltoidea var. deltoidea leaves extracts contain various beneficial properties such as antidiabetic, antihypoglycemic and antioxidant activities, which can be enzymatically extracted in water. Vitexin is one of the antioxidants and remarkable compound of flavone C-glycosides found in Mas Cotek leaves. Cellulase is one of the essential enzymes applied to hydrolyze cellulose into fermentable sugars and...
Educational Research and Reviews
Policy initiatives for improving the contributions of university agricultural education and extension institutions to environmental and sustainable development in agriculture
June 2020
This study determined policy initiatives for improving the contributions of university agricultural education and extension institutions to environmental and sustainable development (ESD) in agriculture. The study was carried out in Cross River State. Survey research design was adopted for the study. The population for the study of 534, comprising 195 registered farmers who have continuously participated in ADP farmer...
African Journal of Medical and Health Sciences
Renal Doppler values in healthy Nigerian children: Anthropometric variations
June 2020
The rising morbidity and mortality from end-stage renal disease (ESRD) among children in sub-Saharan Africa and Nigeria is now a primary health concern. Due to this, an accurate, simple, affordable, non-invasive method for early diagnosis of renal diseases in children is needed to prevent progression to ESRD. In this prospective, cross-sectional study among children with no evidence of clinical and pathologic...
International Journal of Library and Information Science
The degree of possession of the faculty members at Princess Alia University College for the skills on the use of databases and its relation to research performance
January-June 2020
This study aimed to know the viewpoint of faculty members at Princess Alia University College on the degree of possession of the skills to use databases and its relationship with their research performance and to investigate the effect of gender, experience, qualification, and academic rank on the point of view of faculty members.The study sample consisted of 40 faculty members, males (17) and females (23) from Princess...
Journal of Music and Dance
Cultural suppression of female gender in Nigeria: Implications of Igbo females’ songs
January-June 2020
The widespread of domestic violence is a social problem awakening the interest of different organizations, governments and people as a result of its negative consequences. Female gender in Nigeria has been marginalized, stereotyped and humiliated in various ways resulting in negative impacts on them such as depression, physical disability and even death. Music has been found to be an avenue for the female folk to...
International Journal of Medicine and Medical Sciences
The value of exercise therapy to asthmatic patients as an adjunct treatment
January-June 2020
Asthma is a chronic respiratory disease that adversely influences the quality of life of many South Africans. The medical management of asthma includes identification, education, medical and pharmaceutical treatment. Literature has inequitably demonstrated that habitual structured exercise therapy can be a beneficial adjunct to general medical and pharmaceutical management strategies. This clinical commentary aims to...
Journal of Veterinary Medicine and Animal Health
Evaluation of comparative intradermal tuberculin and interferon gamma release tests for prediction of tuberculous lesion development in slaughtered cattle
April-June 2020
Bovine tuberculosis (BTB) is a chronic contagious disease of cattle which has economical, public health and veterinary importance worldwide. So far, test and slaughter is the most feasible method to control the disease but identification of lesions from slaughtered animals does not always coincide with ante-mortem test results. Fifty four animals which were found positive by comparative intradermal tuberculin test...
Journal of Dryland Agriculture
Effect of range land vegetation degradation on livestock and socio-economics status of the pastoralists, Afar regional state, Northern Ethiopia
June 2020
The objectives of the study were to assess current vegetation diversity in the rangeland and its effect on the livestock and socio-economics of the pastoralists. Vegetation data were collected from 72 sample plots laid on the four transects. The size of the main plot was 20 m x 20 m for tree species. Socio-economic data were analyzed using SPSS version 21 software packages. A total of 75 species of vascular plants...
African Journal of Medical and Health Sciences
Pattern of gynaecological malignancies in a Nigerian tertiary hospital
June 2020
The sociodemographic and histological patterns of gynaecological malignancies is important in their management. Facilities are now available for prevention, detection, treatment and palliative care for the wide spectrum of female genital tract malignancies. The study aim to determine the socio demographic and histological patterns of Gynaecological malignancies identified at the University of Abuja Teaching Hospital...
Journal of Veterinary Medicine and Animal Health
Occurrence and antimicrobial resistance of Salmonella spp. in broiler chicken neck skin from slaughterhouses in Zambia
April-June 2020
Salmonella is an important zoonotic foodborne pathogen and poultry meat is considered as one of its major sources. This study evaluated Salmonella spp. detected in broiler chicken carcasses in Zambia. A total of 440 broiler neck skin samples were collected from 6 slaughter houses along the process line after evisceration and tested for Salmonella spp. Eleven samples (2.5%) were positive for Salmonella spp. The suspected...
Educational Research and Reviews
Using films to teach Turkish as a foreign language: A study of classroom practice
June 2020
In recent years, developing communication skills is the main goal of foreign language learning, so the most effective way of developing this skill is to expose the learners to real life situations. Movies provide exposures to real language, used in authentic settings and in the cultural context. Movies are the most effective audiovisual materials both in teaching basic language skills and reflecting the language and...
Educational Research and Reviews
Satisfaction, utilitarian performance and learning expectations in compulsory distance education: A test of mediation effect
June 2020
People using the distance education system are students as well as consumers who use the services. In this sense, determining satisfaction with the use of this service is vital to the success of the system. The aim of this study is to determine the relationships between perceived utilitarian performance, expectation confirmation and learning satisfaction structures in universities that have been switched from formal...
African Journal of Business Management
Artification as a driver of public value co-creation: Evidence from the photographic exhibition on Italian Ghost hotel
June 2020
This study attempts to enlarge knowledge on public value co-creation within a complex environment such as artification. The transfiguration of object that is not regarded as art in the traditional sense into something art-like underpins the development of processes suitable for analyses within the co-creation framework. The case of “EXIT”, the photographic exhibition on Ghost hotel in the province of Pavia...
African Journal of Agricultural Research
Water use efficiency and fodder yield of maize (Zea mays) and wheat (Triticum aestivum) under hydroponic condition as affected by sources of water and days to harvest
June, 2020
This study was conducted at Soilless Culture Unit, Azemor Agribiz Limited, Ibadan to evaluate the effects of sources of water (fish hatchery wastewater (FHW), borehole water (BW) and nutrient solution (NS)) and days to harvest (8, 10 and 12 days after sowing (DAS)) of two forage crops (maize (Zea mays) and wheat (Triticum aestivum)) for green fodder production and water use efficiency under hydroponic conditions. The...
African Journal of Biotechnology
Assessment of genetic diversity among cassava landraces using single nucleotide polymorphic markers
June 2020
This study seeks to determine the genetic diversity among cassava landraces using single nucleotide polymorphic (SNP) markers. One hundred and five cassava landraces were assayed with 195 SNP markers. Major allele frequency varied from 0.500 to 0.942 with an average of 0.728. Average gene diversity, heterozygosity and polymorphic information content (PIC) were 0.359, 0.314 and 0.286 respectively. These values were...
African Journal of Food Science
Health risk assessment of Brazil nut consumption by aflatoxin biomarker in urine samples
June 2020
Aflatoxins are the main mycotoxin related to the contamination of Brazil nut and an important product extracted from the Amazon region that has a high number of consumers due to its health benefits. Considering the frequent occurrence of aflatoxins in Brazil nuts, it is necessary to study the levels of exposure to these toxins associated with its consumption using biomarkers. To do this, a study was carried out with 30...
Journal of Soil Science and Environmental Management
Comparison of several lime requirement methods in luvisol of Southern Ethiopia
April-June 2020
Ethiopian soil affected by strong acidity accounts for about 28% of the entire country and 43% of the total cultivated land. Soil acidity is expanding in scope and magnitude. To tackle the problem, lime addition is one of the solutions. The lack of soil specific lime recommendation method(s) to amend the increasing acidification problem has been one of the challenges to boost crop production. Therefore, a greenhouse...
Journal of Agricultural Extension and Rural Development
Status of pests and diseases of sorghum and their management practices by “Fadama” III participating farmers in Abuja, Nigeria
April-June 2020
A diagnostic survey was carried out at the end of 2018 and early 2019 to assess the status of sorghum pests, diseases and their management strategies by the “Fadama” III participating farmers in the Federal Capital Territory (FCT), Abuja, Nigeria. Data were collected from the 28 production clusters in 10 Fadama Development Areas in the six Area Councils. Instruments used were semi-structured interview, farm...
Journal of Development and Agricultural Economics
Adoption of artificial insemination service for cattle crossbreeding by smallholder farmers in
Laelay-Maichew district, Tigray, Ethiopia
April-June 2020
Adoption of artificial insemination (AI) in Ethiopia is low and there is paucity of information in documentation. Therefore, the aim of this study is to identify the determinants of smallholder farmers’ adoption of AI technology in Laelay-Maichew district. Multi-stage random sampling technique was employed to select 155 sample respondents for the study. The primary data were collected through individual interviews...
Journal of Plant Breeding and Crop Science
Inheritance pattern of resistance to Fusarium wilt (Fusarium oxysporum f. sp sesame) in sesame
April-June 2020
Fusarium wilts (Fusarium oxysporum f.sp. sesame) is among of the most destructive soil-borne disease of sesame in Uganda. The disease may cause yield loss of up to 100% if not controlled. Breeding and use of resistant varieties is the most economic and eco-friendly solution to the disease since majority of sesame growers are resource constrained. Some genotypes were reported to be moderately resistant to the disease in...
Journal of Dentistry and Oral Hygiene
Current aptitude on management of medically compromised patients: A questionnaire based survey of medical, dental and nursing students
January-June 2020
Advances in medical technology, greater access to medical facilities and better socio-economic conditions had increased the life expectancy. The proportionate increase of the elderly in the population caused a gradual escalation of the number of medically compromised patients. Knowledge, awareness and practices of health personnel hold paramount importance in the proper management of these patients to prevent...
African Journal of Medical and Health Sciences
Glycaemic control and correlation between estimated average glucose and glycated haemoglobin in diabetic patients seen in a tertiary hospital in Benin City, Nigeria
June 2020
Diabetes mellitus is on the increase worldwide and in Nigeria, with prevalence ranging from 0.65% in rural Mangu to as high as 11.0% in urban Lagos. Its prevention, early diagnosis and adequate treatment to prevent morbidity and mortality are essential. Glycated haemoglobin estimation is a marker of glycaemic control and it reflects average plasma glucose over previous eight to twelve weeks. Reporting estimated...
Journal of Accounting and Taxation
The challenges affecting tax collection in Nigerian informal economy: Case study of Anambra State
April-June 2020
The Federal and State Governments might not be able to provide infrastructural development for its citizens, if the citizens do not pay tax. Successive government officers and tax administrators in Nigeria have come up with different programs on how to increase tax collection. Each of these programs has been unsuccessful due to lack of accountability, poor awareness and publicity, and poor implementation. Recently,...
Journal of Horticulture and Forestry
Patula pine (Pinus patula) cones opening under different treatments for rapid seed extraction in Londiani, Kenya
April-June 2020
Seed extraction from pines is challenging to the forestry sector globally. This is usually contributed by the pine cone anatomy that opens through a function of temperature and humidity which varies widely in the pine growing regions of the world and the Pinus species as observed in previous works done on Pinus roxburghii, Pinus halepensis, Pinus wallichiana, Pinus pinaster, Pinus radiata, and Pinus sylvestris. This...
Page 3 of 1189, showing 50 records out of 59449 total, starting on record 101, ending on 150
