Articles
Page 2 of 1200, showing 50 records out of 59967 total, starting on record 51, ending on 100
Journal of Economics and International Finance
Stability of money demand function in emerging Countries: Static and dynamic panel approaches
October-December 2020
The purpose of this study is to investigate the stability of money demand function in emerging countries using the annual data over the period 1987 to 2018. The panel data was analyzed applying both static and dynamic panel models. With the static panel analysis, the random effect method is found to be an appropriate model to determine the factors that affect money demand in emerging countries. The findings of random...
Journal of Pharmacognosy and Phytotherapy
Uncaria guianensis (Aubl.) J.F. Gmel. extracts reduce bronchial hyper responsiveness and inflammation in a murine model of asthma
October-December 2020
Uncaria guianensis (Aubl.) J. F. Gmel. (“cat’s claw”, Rubiaceae) is a plant with potential to treat asthma because of its anti-inflammatory and antioxidant activities. The aim of this study was to evaluate the effects of two extracts of U. guianensis in an animal model of allergic asthma. Balb/c mice were sensitized twice with ovalbumin intraperitoneally one week apart, then challenged with intranasal...
African Journal of Biotechnology
Advancing adoption of genetically modified crops as food and feed in Africa: The case of Kenya
October 2020
Genetically modified organisms (GMOs) and Genetic Engineering (GE) technology has been around since mid 1990s. Numerous successful applications of genetically modified (GM) crops have been recorded in different parts of the world. The technology has been adopted steadily in several countries with acreage under GM crops steadily increasing in many cases. Socio-economic studies show GMO adoption result in improved...
African Journal of Plant Science
Protocol optimization for in vitro propagation of Kulfo, orange flesh sweet potato (Ipomoea batatas) variety using shoot tip culture
October 2020
Conventional propagation methods of sweet potato (Ipomoea batatas L. var Kulfo) through stem cutting require large amount of propagules and large space for preparation. It has high risk of disease transmission to the next generation. In vitro propagation is the best alternative to overcome such limitations. This study was conducted to optimize protocol for in vitro propagation of Kulfo sweet potato variety using...
African Journal of Biochemistry Research
Insulin resistance and specific biomarkers in blood and urine of type 2 diabetic patients with or without nephropathy in Basrah, Iraq
October-December 2020
Diabetic nephropathy (DN) is a master cause of all surplus death-rate among type 2 diabetes mellitus (T2DM) patients with microalbuminuria. This study aimed to find effective biomarkers for early predicting of DN. Present study included 63 patients with T2DM (31 patients with DN, 32 patients without DN) and 33 healthy controls. These three groups were matched for their glucose, urea, creatinine, insulin, L-Carnitine...
International Journal of Nursing and Midwifery
Perineal trauma following vaginal delivery in a low-income area: A criterion-based audit
October-December 2020
Trauma to the perineum following vaginal delivery is common and can lead to anal incontinence and pain but can be prevented by perineal support. However, the incidence and how to prevent perineal injury in sub Saharan Africa has not previously been described. The objective of the study was to assess the incidence of perineal trauma at vaginal delivery and to assess a training intervention in perineal support using a...
International Journal of Genetics and Molecular Biology
Notice of Retraction: Verification of single nucleotide polymorphism (SNP) markers associated with maize (Zea mays. L) streak virus resistance in early generation maize lines
July-December 2020
The editors of the International Journal of Genetics and Molecular Biology (IJGMB) are retracting the article, “Verification of single nucleotide polymorphism (SNP) markers associated with maize (Zea mays. L) streak virus resistance in early generation maize lines” published in 2020 (Vol.12(1), pp. 36-45, February 2020). This is based on the corresponding author’s (Solomon Shibeshi) declaration of a...
African Journal of Pure and Applied Chemistry
Catalytic activity of using tungsten oxide with hydrogen peroxide for methyl orange degradation
October-December 2020
In this work, a tungsten oxide nanoparticle was developed with a simple method, using tungsten powder. The orthorhombic, hexagonal and monoclinic crystalline structures obtained were characterized by X-ray diffraction, scanning electron microscopy, as well as Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy. The coupling of these tungsten oxide nano particles with hydrogen peroxide is carried...
International Journal of Sociology and Anthropology
What Transformative Leaders do: Emerging Perspectives in the 21st Century
October-December 2020
This paper examines the call for transformative leadership in the 21st century. It explores recent published articles on the subject matter in order to establish the expectations of a transformative leader. The turn of the century heralded a call for the adoption of a transformative agenda on the African continent. Nonetheless, the turbulent political, dynamic economic shifts and disruptive global events, such as posed...
Journal of Economics and International Finance
Human capital and stock market performance of some selected emerging economies
October-December 2020
This article fills a gap of literature on the relationship between education and the stock market. We adopt the modified Calderon-Rossell model to estimate the effect of quality of human capital on Capital market. Four different techniques were used to check the robustness of the result. Of all the techniques adopted Newey-West to account for different characteristics of emerging economies turnout to be more efficient...
African Journal of Business Management
Does gender diversity matter for risk-taking? Evidence from Italian financial institutions
October 2020
The aim of this study is to investigate the relationship between gender diversity and the risk profile of Italian financial institutions during the period 2013 to 2019. The paper examines whether the presence of top executives has any significant effect on corporate risk-taking. A sample of 160 Italian financial institutions was analyzed and a multivariate regression model was developed considering five risk dimensions...
International Journal of Livestock Production
Cattle crossbreeding for sustainable milk production in the tropics
October-December 2020
Crossbreeding has been used to improve milk production performance of local cattle in the tropics. Crossbreeding exploits additive and non-additive allele gene effects leading to improvements in lactation length, decrease in calving interval, higher milk yields and early age of calving of cows and potentially increasing producer incomes. Varying levels of success have been reported for various crossbreeding programmes...
African Journal of Agricultural Research
Cultural practices and pesticides contamination level of tomato in two gardening sites in the region of Boucle du Mouhoun, Burkina Faso
October, 2020
The present study consisted of evaluation of cultural practices and pesticides contamination level of tomato in some gardening sites in the region of Boucle du Mouhoun (Burkina Faso). A survey of phytosanitary practices among 30 producers was carried out at the Di and Dedougou sites. The pesticide contamination level of tomatoes collected was determined by the QuEChERS method. The survey revealed a low level of literacy...
African Journal of Agricultural Research
Evaluation of a motorized cassava peeler with four lining materials
October, 2020
Cassava processing requires peeling, which is mainly done manually and not effective for large scale processing, hence, the need to mechanise the peeling process. A motorized cassava peeler with four drum and disc linings (concrete, metal, rubber and wood) was designed. The prototype was tested at three disc speeds; (250, 350 and 500 rpm) to determine peeling capacity, peel removal efficiency, and flesh loss. The...
African Journal of Agricultural Research
Comparing productivity of rice under system of rice intensification and conventional flooding: A switching regression approach
October, 2020
This paper examined the factors influencing rice productivity in Mwea Irrigation Scheme using the System of rice intensification (SRI) and conventional flooding (CF). Stratified sampling was used to obtain 364 smallholder rice farmers for interviewing. Data collection was done with the aid of a semi-structured questionnaire and analyzed using the Endogenous Switching regression Model (ESRM). The results of ESRM...
African Journal of Agricultural Research
Agronomic and economic evaluation of phosphate fertilizer use in maize-bean cropping systems in Western Kenya
October, 2020
Effects of phosphorus rate and crop arrangement on yields and economic benefits in maize-bean cropping systems were investigated for two seasons: Short rains (SR) of 2015 and long rains (LR) of 2016 in Western Kenya. A split plot design with five crop arrangements in the main plots; one row of maize and beans alternating (conventional), maize and beans planted in the same hole (SH), two rows of maize alternating with...
Journal of Toxicology and Environmental Health Sciences
Asbestos exposure risk from ceiling and other building materials
October-December 2020
Although much research has been conducted regarding asbestos removal and worker exposure, there are gaps in our understanding of the extent of asbestos-containing materials still present in building materials and the effectiveness of exposure controls used during the removal of these materials. We conducted a review of third party surveys and exposure assessment reports to: (1) Evaluate the exposure levels...
Journal of Mechanical Engineering Research
Peristaltic transport of a second-grade dusty fluid in a tube
July-December 2020
These article intents to analyze the behavior of second-grade dusty fluid flowing through a flexible tube whose walls are induced by the peristaltic movement. Coupled equations for the fluid and solid particles have been modelled by considering streamline conversions. Regular perturbation technique has been implemented to get the solutions and the outcomes are demonstrated through graphs. The impact of diverse...
African Journal of Food Science
Spoilage and microbial quality of crude palm oil from the North-west Region of Cameroon
October 2020
In Cameroon, palm oil is extensively used in its crude form for food. The present study was carried out to access stakeholders’ perception of spoilage and the microbial quality of crude palm oil in the North-west Region of Cameroon. A random survey was carried out on 148 stakeholders of the crude palm oil marketing channel about their perception of crude palm oil spoilage. 79 samples were collected from...
African Journal of Agricultural Research
Leaf organic content variation of 2 durum wheat genotypes under water stress by applying phytohormone (IAA)
October, 2020
Water stress is the most important problem in plant growth and development. Greenhouse trial is carried out on 2 durum wheat (Triticum durum Desf) genotypes (MBB and WAHA), to evaluate the effect of water stress on the biochemical content of leaves, and the possibility of reducing this effect by applying a growth regulator Indole-3-acetic acid (IAA) by seeds soaking and foliar spraying. Water stress causes a large...
African Journal of Agricultural Research
Biofortified bean genotypes under integrated soil fertility management across sub-humid agro-ecological zones of The Democratic Republic of Congo
October, 2020
This study was implemented to evaluate the performance of biofortified bean under different integrated soil fertility management (ISFM) options and agro-ecological conditions in Democratic Republic of Congo (DRC). A Split-plot design with eight genotypes as main factors and four ISFM options as secondary factors was carried out in eight production zones distributed across South-Kivu, North-Kivu, and Katanga provinces....
African Journal of Agricultural Research
Response of eight sorghum varieties to plant density and nitrogen fertilization in the Sudano-Sahelian zone in Mali
October, 2020
This work was conducted to study the performance of eight sorghum varieties that contrasted with intensified practices in the Sudano-Sahelian zone of Mali. Two experiments were carried out in 2018 and 2019 rainy seasons at Sotuba Agricultural Research Station in Mali. The experimental design used was a Split-split-plot with three replications and three factors including two plant densities (D1: 26666 plants ha-1 and D2:...
African Journal of Agricultural Research
Challenges in greenhouse crop production by smallholder farmers in Kisii County, Kenya
October, 2020
Despite the success in greenhouse farming by large scale horticultural farmers in Kenya, smallholder greenhouse farming is beset by many challenges leading to over 30% failure rates. Reasons for the high failure rate are not clearly understood. The objective of this study was to assess the challenges in greenhouse crop production by small-scale farmers in Kisii County, Kenya and provide recommendations for sustained...
African Journal of Biochemistry Research
Correlation between glycated hemoglobin and venous blood sugar in diabetic patients monitored in Abidjan
October-December 2020
The aim of this study was to determine the correlation between glycated hemoglobin and blood sugar levels in diabetic subjects carried out in Abidjan. This cross-sectional study included 100 patients with diabetes monitored, for three months, for whom glycated blood glucose and hemoglobin were performed, this after informed consent of the patients. Pearson and Spearman correlation tests were used, at the 5% threshold....
African Journal of Agricultural Research
Determination of solar energy requirements for indirect cooling combined with evaporative cooling for storage of fresh produce
October, 2020
A solar photovoltaic (SPV) system generating power to run a 53-m3 storage for indirect air-cooling combined with evaporating cooling (IAC+EC) for providing a cool environment for storage of tomatoes under small-scale farming was evaluated. The experiment consisted of nine 330 W solar modules, twelve 230 AH Gel batteries, 145 VDC solar charge controller, 5 kW inverter, 290 W ventilation fan, 260 W water pump,...
African Journal of Agricultural Research
Field evaluation of lentil germplasms for their resistance to Ascochyta blight (Ascochyta lentis) under field conditions
October, 2020
Ascochyta blight caused by Ascochyta lentis is a fungal disease with a major importance in Ethiopia. It has the potential to cause appreciable reduction in yield. The present study was conducted to identify the sources of resistance in lentil to ascochyta blight in 2018 main cropping season in hot spot area in AlemTena research station. The total of 148 accessions were received from Ethiopian Biodiversity Institute were...
African Journal of Business Management
Social responsibility practices of leading firms in an industry: Driver for corporate citizenship in Kenya
October 2020
The study examines the relationship between the Corporate Citizenship (CC) practices of leading firms in their industries and their level of advancement in CC. The study took a conceptual approach and used two cases not as empirical evidence but for illustration purposes. The main hypothesis was that CC practices of leading firms find expression from the fact that these firms tend to play two significant roles. First,...
African Journal of Agricultural Research
Genetic diversity analysis and construction of selection index of selected tomato genotypes
October, 2020
To study the genetic variability and selection index of selected tomato genotypes, an experiment was conducted at the farmer’s field of Chirirbandar Upazilla of Dinajpur District, Bangladesh. Ten tomato genotypes were evaluated in a randomized completely block design with four replications. The study results displayed high heritability plus higher genetic advance for all the traits studied. Among the traits, plant...
African Journal of Political Science and International Relations
“Mother tongue won’t help you eat”: Language politics in Sierra Leone
October-December 2020
This article addresses the question, how does Sierra Leone’s language regime, moderated through formal and informal education, contribute to post-war globalization dynamics? Since Sierra Leonean independence from Britain in 1961, Krio, a type of Creole, has gone from being the mother tongue of a small ethnic minority to the lingua franca, particularly in Freetown, the state capital. English has been Sierra...
African Journal of Agricultural Research
The use of microchondrometer to assess test weight in small samples of triticales and oats
October, 2020
The test weight or hectoliter weight is an important parameter used to classify the quality of the grain. Globally, it is evaluated by using 250, 500 or 1000 ml devices. Despite its importance, there is no standard equipment to assess it in small samples from the research plots. This study aims to test a newly developed microchondrometer (15.30 ml) in the triticale and oats. A second microchondrometer (31.26 ml) was...
Journal of Plant Breeding and Crop Science
Genetic diversity of Ethiopian durum wheat (Triticum durum Desf) landrace collections as reveled by morphological markers
October-December 2020
Knowledge of the extent and pattern of genetic diversity within and among populations is crucial to identify useful breeding materials and design appropriate collection and conservation strategies. Genetic diversity of 160 durum wheat (Triticum durum Desf) accessions was studied using 15 morpho-agronomic traits. The field studies for morphological characterization were undertaken at Adadi Maryam and Ginchi locations...
Journal of Plant Breeding and Crop Science
Participatory maize hybrid evaluation for different cropping systems in the central rift valley in Ethiopia
October-December 2020
This study was conducted at research and farmers’ field. Seven new promising and three standard checks in total ten hybrid varieties were planted and evaluated in 2013 main season. At research field, the genotypes were tested under sole and inter cropping in two replications and each genotype was planted in two rows using spacing 0.75 cm and 0.30 cm between consecutive maize rows and between plants, respectively....
Journal of Plant Breeding and Crop Science
Multi-environment trial and spatial analysis for yield performance of sorghum [Sorghum bicolor (L.) Moench] hybrids in dry lowland sorghum growing areas of Ethiopia
October-December 2020
Sorghum is one of the most widely preferred and cultivated crops in Ethiopia. It is grown for food and feed components. In the developed world, exploitation of heterosis in most crops (Maize, Sorghum, Rice, etc.) is high. There is a clear need to develop sorghum hybrids in Ethiopia to improve their livelihood by increasing sorghum production and productivity. One of the strategies for increasing sorghum yield is through...
Journal of Economics and International Finance
Okun’s law: An asymmetrical approach for Zimbabwe (1991-2018)
October-December 2020
The Okun’s law, which explains the inverse relationship between unemployment and output growth, has been observed to have broken down in most developing economies. The failure by researchers to take into account the asymmetric properties of the relationship between unemployment and output has been attributed to the limitations of the Okun’s law in explaining the inverse relationship between unemployment and...
Journal of Parasitology and Vector Biology
Spatiotemporal analysis of Plasmodium falciparum genetic diversity and multiplicity of infections in Senegal from 2014 to 2017
July-December 2020
Malaria showed a significant decline in Senegal following the scale up of malaria control around the country with epidemiological disparities. Assessment of multiplicity of infection (MOI) and genetic diversity of Plasmodium falciparum population evolution proved its efficacy in monitoring malaria control. However, to our knowledge few studies focused on the dynamic changes of genetic diversity and MOI in Senegal. The...
Journal of Engineering and Technology Research
Effect of variation of different additives on some selected properties of silica sand mould for aluminium castings
July-December 2020
The quality of castings in a green sand mould is influenced significantly by its properties, such as green compressive strength, shear strength, shatter index, compatibility, moisture content, permeability and others which depend on input parameters. Usually, the aforementioned properties of a particular casting differ due to variation in composition of the moulding sand mixtures, sand grain shape and size, bonding...
International Journal of Physical Sciences
Effects of elevated humidity on stratospheric ozone content in the tropics
October-December, 2020
This study examines the effects of elevated humidity on stratospheric ozone content in the tropics, a case study of Nigeria. The specific stations in Nigeria studied with their co-ordinate include Makurdi (7.7°N 8.5°E), Maiduguri (11.9°N 13.2°E), Kano (12.0°N 8.5°E), Port-Harcourt (4.9°N 7.0°E) and Lagos (6.5°N 3.4°E). Using monthly mean stratospheric ozone data from Earth Probe...
African Journal of Political Science and International Relations
China’s engagement in the promotion of peace and security in the Horn of Africa: An interplay of big power responsibility and geopolitical interest
October-December 2020
The Horn of Africa is a term given to the geographic map in the North East part of the African continent. The region connects Africa to the outside world like the Middle East, Europe and Asia that indicates its geopolitical significance. Despite its geopolitical significance, the region remains one of the most unstable, underdeveloped and security wise volatile than any other region of Africa. These multiple challenges...
African Journal of Environmental Science and Technology
Assessment of the phytoremediation capabilities of bracken fern (Pteridium aquilinum) for the remediation of heavy metals (Pb, Ni and Cd) contaminated water
October 2020
This study was carried out to investigate the potential uptake of heavy metals (Pb, Ni, and Cd) by Pteridium aquilinum plant from aqueous solutions. The whole plant strands were cultured in 36 experimental pots containing 5, 10 and 15 (mg/L) of Pb2+, Ni2+ and Cd2+ aqueous solutions. The plants were harvested after 24, 48, 72 and 96 hours of exposure and segmented into leaves, stem and root, respectively. The heavy...
African Journal of Microbiology Research
Antibacterial properties of traditional Sudanese medicinal materials against selected enteric
bacterial strains
October 2020
Folklore medicine in Sudan used medicinal materials to treat inestinal infections caused by bacterial infections or contamination of food. Methanolic and aqueous extracts of different parts of Acacia nilotica (L.) Delile gum, Haplophyllum tuberculatum Juss.aerial parts, Hydnora abyssinica A. Br.fruits, Nigella sativa L seeds, Rhynchosia minima (L.) DC. roots,and Usnea molliuscula lichen were tested for antibacterial...
International Journal of Biodiversity and Conservation
Impact of cocoa cultivation in the forest-savannah transition zone of western Côte d'Ivoire
October-December 2020
The mountainous relief of Western Region of Côte d'Ivoire, as well as large savannas bordering the dense semi-deciduous forests, did not make this part of the country an area suitable for cocoa cultivation. However, in search of forest land for cocoa cultivation, a large influx of people has been observed in this area over the last decade. The objective of this study is to assess the impact of human pressure...
African Journal of Microbiology Research
Prevalence and drug-resistance profile of plasmid-borne extended spectrum beta-lactamase (ESBLs) resistance genes in multidrug resistant Escherichia coli from HIV-1 positive individuals in Jos, Nigeria
October 2020
Production of extended-spectrum beta-lactamases (ESBLs) can lead to treatment failures when the antibiotics are used. This study detected ESBLs genes on Multidrug Resistant Escherichia coli from HIV-infected individuals attending some hospitals in Jos. Eighty (80) isolates of multidrug resistant (MDR) E. coli were screened for plasmids. ESBLs genes including bla-CTX, bla-TEM and bla-SHV were detected on the plasmids...
African Journal of Biotechnology
Treatment of mangrove and well contaminated water using activated charcoal from coconut shell in
Douala, Cameroon
October 2020
The main objective of this study was to evaluate the contribution of activated carbon, based on coconut shell, in the treatment of mangrove and well contaminated water from the BONAPRISO district. More precisely, it consisted of preparing the activated carbon, then characterizing the mangrove water and the well water through a manual of sampling procedure; and finally verifying that the activated carbon produced had a...
International Journal of Psychology and Counselling
A qualitative study of psychological support needs of family caregivers of hospitalized Lassa fever patients during an outbreak in an endemic state in Nigeria
October-December 2020
The study assessed the emotional reactions and perceptions of stigmatization among family caregivers of Lassa fever patients. Six focus group discussions were held among 48 purposively selected and consenting family caregivers in a Lassa fever treatment facility in South-South Nigeria during an outbreak. An interview guide structured to elicit views and perceptions on Lassa fever, reactions to the news of a positive...
African Journal of Biotechnology
Genetic progresses from over four decades of sorghum [Sorghum bicolor (L.) Moench, Poaceaea family] breeding in Ethiopia
October 2020
Information on genetic progress achieved over time from a breeding program is absolutely essential to develop effective and efficient breeding strategies. Thirty-seven improved lowland sorghum varieties released between 1976 and 2016 and promising advanced lines were evaluated to estimate the genetic progresses made in 40 years of sorghum breeding in Ethiopia. The study was conducted at 2 environments during 2018...
Journal of Chemical Engineering and Materials Science
Characterization of rice husk ash prepared by open air burning and furnace calcination
July-December 2020
Rice husk (RH) is an agricultural waste, and easily available in rice growing areas. The husk is mostly burnt as a way of getting rid of it. The ash obtained after burning or calcination may have economic application, mainly dependent on its properties. These properties in turn depend on the calcination method. However, for commercial viability, and for many applications, the calcination method should not only be as...
Journal of Horticulture and Forestry
Effects of furrow dimensions on water productivity and yield of onion at small scale Irrigation Ilu Gelan district West Shoa Ethiopia
October-December 2020
This study was conducted at the Ilu Gelan district Western Shewa zone of Oromia Regional State to evaluate the impacts of furrow dimensions on yield and water productivity of onion. The experiment was laid out in a randomized complete block design with three treatments replicated four times. The experimental treatments including farmer practice or T1 (farmer practice with top width of 23 cm, bottom width of 13 cm and...
Journal of Agricultural Extension and Rural Development
Trends in livelihoods options over a five year period: A case of Murewa smallholder farmers
October-December 2020
Inter and intra seasonal trends in livelihoods options have been reported at country and rarely at ward level in Zimbabwe. Evidence based on local level trends in livelihoods options is rare. This study thus reviewed data on livelihoods activities based on the Agriculture Food Security Monitoring System (AFSMS) surveillance system. It was conducted by the Department of Crop and Livestock Production formerly...
African Journal of Business Management
The rules of business transformation
October 2020
Business transformation initiatives update a company’s production methods and aim to ensure it operates more efficiently. However, the author suggests that a reactive, piece meal approach to needed change relegates a company to lagging behind its market and stagnates its growth. A proactive, holistic approach to business transformation ensures that a company is attuned to its evolving market environment. It...
African Journal of Agricultural Research
Effect of kernel type on hardness and interrelationship with endosperm chemical components of Malawian local maize (Zea mays L.) varieties during storage
October, 2020
The aim of this study was to establish the attributes of kernel type based on kernel hardness and its interrelationship with maize endosperm chemical components, which are essential during storage. Three local varieties and one hybrid variety commonly grown by smallholder farmers in central Malawi were used. For storage experiment, the maize samples were infested with Prostephanus truncatus, larger grain borer (LGB) for...
Page 2 of 1200, showing 50 records out of 59967 total, starting on record 51, ending on 100
