Ethnocentrism: Significance and effects on Kenyan society

African Journal of Political Science and International Relations

Afr. J. Pol. Sci. Int. Relat.

This study investigates the significance and effects of ethnocentrism in the Kenyan society. The usual concept of ethnocentrism combines the belief that one’s culture is superior to other cultures with the practice of judging other cultures as inferior to one’s own culture. This concept does not address the underlying issue of why people do this but emphasizes that people make false assumptions based on their own limited experience about... Read more

Vol. 8 Num. 9

Co-infections with Schistosoma haematobium and soil-transmitted helminths among school-aged children in Saki, Oyo State, Nigeria

Journal of Public Health and Epidemiology

J. Public Health Epidemiol.

A cross-sectional study was conducted to determine the prevalence and intensity of soil-transmitted helminthiasis and urinary schistosomiasis and the co-infection of these intestinal helminths among school children in Saki town, Oyo state, Nigeria. Early morning stool samples were collected and a Kato-Katz thick smear technique was used to examine and count parasitic load.Urine samples were also collected and examined for Schistosoma haematobium ova... Read more

Vol. 6 Num. 12

Can the centre hold for Arnstein’s ladder of participation in Zimbabwe?

African Journal of History and Culture

Afr. J. Hist. Cult.

One of the most contentious issues in Zimbabwe’s post-colonial history has been the law and practice of democracy. Electoral processes as a tenets of democracy has continued to produce contested and disputed electoral results. Politically-motivated violence has also reared its ugly head on Zimbabwe’s political landscape. The dictates of Arnstein’s Ladder of Participation which presents a normative framework for effective citizen... Read more

Vol. 6 Num. 10

Genetic diversity and adaptation to different tillage and farming systems of cocoyam genotypes (Xanthosoma sagittifolium L. Schott) in the Eastern Region of Ghana

Journal of Plant Breeding and Crop Science

J. Plant Breed. Crop Sci.

Experiments conducted in Ghana show that cocoyam exists as mixtures of clones in farmers farms. This work aimed to use RAPD markers to determine the extent of diversity in cocoyam genotypes collected from farms at different locations in the Eastern region of Ghana. The study also investigated whether the genotypes have different adaptation to different farming systems (intercropping with plantain and sole cropping) and tillage methods (mounds and... Read more

Vol. 6 Num. 12

Prioritization and cost and returns analyses of selected non-timber forest products in Yobe State, Nigeria

Journal of Development and Agricultural Economics

J. Dev. Agric. Econ.

This article describes cost and returns analysis of first five preferred Sahel savanna non-timber forest products (NTFPs) in Yobe State, Nigeria. The results demonstrate that households in Yobe State could realize NGN2,898.48 and NGN142,615.49 from the NTFPs as the least and maximum gross margins (household incomes) respectively. Gross margin ratio of households across all the study sites ranged from 0.925 to 0.980, and that from individual study... Read more

Vol. 6 Num. 12

Farmer perceptions of aflatoxin management strategies in lower Eastern Kenya

Journal of Agricultural Extension and Rural Development

J. Agric. Ext. Rural Dev

Aflatoxins pose a serious problem to maize grains, rendering them unsuitable for human and livestock consumption. This study assessed farmers’ attitude toward, and knowledge and perceptions of, the nature, causes and use of biological technologies in aflatoxin control in Embu, Machakos, Makueni and Kitui Counties of Kenya. A total of 480 households were randomly selected from two districts per county using a GPS system. The tools used in the... Read more

Vol. 6 Num. 12

Critical analysis of existing economic tools available for assessing river water quality

International Journal of Water Resources and Environmental Engineering

Int. J. Water Res. Environ. Eng.

This review paper critically analyzes the economic literature on the approaches of measuring the environmental benefits. It focuses on the economic methodologies that are available for the evaluation of the effects (social costs and benefits) of environmental changes (degradation/preservation) on river water quality. Further, it shows how the monetary valuations of these effects can have an impact in making of economic policy for creating more... Read more

Vol. 6 Num. 11

An assessment of impact of neglect of history on political stability in African countries: The case of Cote d’Ivoire

African Journal of History and Culture

Afr. J. Hist. Cult.

African countries had been engulfed in political crises soon after they regained independence from their respective European colonial masters. Almost all the conflicts witnessed in post-independence Africa were blamed on the former colonial Powers. This article argued that rather than blaming the West for political instability, African political leaders should be blamed for neglecting the discipline of history that should have guided them to enact... Read more

Vol. 6 Num. 9

The social animal: A scrutiny of Philip Larkin’s “Wants”

International Journal of English and Literature

Int. J. English Lit.

A humanistic and analytical approach has been applied to comprehend one important longing that is solitude, hidden at the bottom of the human heart. At heart every person is lonely and likes to be alone. A case has been made for this quaint social creature called the human. He is studied intrinsically to uncover the essential vacuum of his heart. On the other hand, three gloomy and poignant truths such as futility, death and oblivion are earmarked... Read more

Vol. 5 Num. 9

Elites and exclusive politics in Sub-Saharan African

African Journal of Political Science and International Relations

Afr. J. Pol. Sci. Int. Relat.

This paper examines democracy as a major and popular form of government which is finding ground across the African continent. The study also examines the degree to which political power is concentrated in the hands of elites while the ordinary citizens are relegated to voting alone when elections are due shortly after which they are soon forgotten in the governance of state affairs. Conducted with the use of secondary sources of data collection, the... Read more

Vol. 8 Num. 8

Seroprevalence of brucellosis in small ruminants in pastoral areas of Oromia and Somali regional states, Ethiopia

Journal of Veterinary Medicine and Animal Health

J. Vet. Med. Anim. Health

  A cross-sectional study was conducted from November, 2013 to April, 2014 in pastoral areas of Oromia and Somali regional states to determine the prevalence of brucellosis in small ruminants and assess associated risk factors. The multistage sampling technique was used on total population in the selected district during the study period. A total of 420 serum samples were collected from 129 sheep and 291 goats in extensive management... Read more

Vol. 6 Num. 11

Epidemiology of malaria among children aged 1 to 15 years in Southeast Nigeria

Journal of Public Health and Epidemiology

J. Public Health Epidemiol.

An epidemiological survey was conducted on prevalence of malaria among children aged 1-15yrs in south east Nigeria. A total of 498 children were surveyed for malaria and other morbidity indicators. Out of these, 369 which include 195 (52.8%) males and 174 (47.2%) females were from experimental household and 129, including 66 (51.2%) males and 63 (48.8%) females from control household. Before the deployment of Lambdacyhalothrin-treated household... Read more

Vol. 6 Num. 11

Comparative economic analysis of tomato (Lycopersicon esculenta) under irrigation and rainfed systems in selected local government areas of Kogi and Benue States, Nigeria

Journal of Development and Agricultural Economics

J. Dev. Agric. Econ.

The study compared the economic performance of tomato (Lycopersicon esculenta) under irrigation and rain fed systems in Bassa and Makurdi Local Government Areas of Kogi and Benue States of Nigeria, with the aim of assessing the determinants of its profitability. Primary data obtained from a sample of 120 farmers by stratified and multi-staged random sampling from four villages were analyzed using percentages, means, gross margin, net profit,... Read more

Vol. 6 Num. 11

Land use, land cover change in urban pastoral interface. A case of Kajiado County, Kenya

Journal of Geography and Regional Planning

J. Geogr. Reg. Plann.

Suitable location and influx of immigrants have made pastoral peri-urban Kajiado County a centre of two conflicting interests; urban sprawl and agricultural intensification.  To understand the resulting trends over the period 1984-2010 satellite image based analysis of land use cover changes and interviews with landowners were conducted. Interviews focused on the changes and trends in land use, their causes and future forecasts. Percentage... Read more

Vol. 7 Num. 9

Evaluation of a decontamination protocol prior to a full-mouth disinfection procedure: A randomised clinical study

Journal of Dentistry and Oral Hygiene

J. Dent. Oral Hyg.

The objective of this study was to test the hypothesis that the application of a chlorhexidine-based decontamination protocol during two weeks prior to scaling root planing (SRP) would reduce bleeding on probing (BoP) at the time of SRP. Secondary outcomes were other clinical parameters. Another secondary aim was to assess whether the improvement of periodontal conditions, if any, would have a benefit up to 3 months later. In this mono-centre,... Read more

Vol. 6 Num. 7

Relationship between occupational skills provided to Polytechnic Diploma Engineers by BTEB and requirement of industry in Bangladesh

International Journal of Vocational and Technical Education

Int. J. Voc. Tech. Educ.

The objective of this study was to find the relationship between the occupational skills provided to polytechnic diploma engineers by BTEB (Bangladesh Technical Education Board) and requirement of industries in Bangladesh. Questionnaires were sent to Managers and diploma graduates of industries around Dhaka and Gazipur, teachers of Dhaka polytechnic institute, officers of BTEB and DTE (Directorate of Technical Education) to find out the extent to... Read more

Vol. 6 Num. 4

Effect of plant bed type on nematode density and yield of cabbage in two regions of Ghana

Journal of Entomology and Nematology

J. Entomol. Nematol.

Cole crop production in general and cabbage in particular is constrained by pest infestation, reducing the farmer’s profit margin considerably. In this study, the effects of three plant bed types: flat, ridges and raised beds were investigated in 2012 and 2013 at Asiwa and Dormaa Ahenkro in Ghana, respectively to study their effects on plant parasitic nematodes and the yield of cabbage. Treatment effects on nematode density/200 cm3 soil,... Read more

Vol. 6 Num. 10

Correlates of examination malpractice among secondary school students in Oyo State, Nigeria

International Journal of Educational Administration and Policy Studies

Int. J. Educ. Admin. Pol. Stud.

The purpose of this study is to investigate the correlates of examination malpractice among secondary school students in Oyo State, Nigeria. The instrument used for the study was tagged Predisposing Factors towards Examination Malpractice Questionnaire (PFTEMQ). The instrument was administered to 300 students randomly selected from 20  multi staged selected secondary schools of five randomly selected local government areas of the state, whereby... Read more

Vol. 6 Num. 9

Development of genodynamic metrics for exploring the biophysics of DNA polymorphisms

Journal of Computational Biology and Bioinformatics Research

J. Comput. Biol. Bioinform. Res

Single nucleotide polymorphisms (SNPs) represent an important type of dynamic sites within the human genome. These common variants often locally correlate within more complex multi-SNP haploblocks that are maintained throughout generations in a stable population. Information encoded in the structure of SNPs and SNP haploblock variation can be characterized through a normalized information content metric. Genodynamics is being developed as the... Read more

Vol. 6 Num. 1

Attenuation of allergic airways inflammation by an extract of Hymenocardia acida

Journal of Physiology and Pathophysiology

J. Physiol. Pathophysiol.

Tracheal hyperresponsiveness, airway mucus production and bronchoalveolar inflammation are the major components of asthma. Here, we aim to investigate the role in the control of asthma of a bioactive plant extracted from Hymenocardia acida in a physiological and pathophysiological model. The effect of H. acida crude extract (HACE) on total cellular components of bronchoalveolar (BAL) fluids was performed on ovalbumin (OVA) and lipopolysaccaride... Read more

Vol. 5 Num. 3

Biosecurity practices in Central Ethiopian cattle feedlots: Its implication for live cattle export

International Journal of Livestock Production

Int. J. Livest. Prod.

Biosecurity is the implementation of measures that reduce the risk of the introduction and spread of disease agents. Biosecurity is a cornerstone of herd health maintenance in export-oriented feedlots. The aim of this study was to document current biosecurity practice in export-oriented cattle feedlots in Central Ethiopia and to discuss its implication for live cattle export. In this study 31 export-oriented cattle feedlots found in central Ethiopia... Read more

Vol. 5 Num. 11

Impact of computer technology on health: Computer Vision Syndrome (CVS)

Medical Practice and Reviews

Med. Pract. Rev.

In today’s society, the use of computer as a tool at workplaces, academic institutions, recreation facilities and homes has become very common. It is estimated that globally, about 45 to 70 million people spend hours staring into a video display terminal, popularly known as computer screen. Several studies, mainly in developed countries, have shown an association between computer use and visual health related symptoms (Computer Vision... Read more

Vol. 5 Num. 3

Runge kutta to precise the detection of lesion for magnetic resonance imaging (MRI) image

Journal of Electrical and Electronics Engineering Research

J. Electrical Electron. Eng. Res.

In this paper, we translate non linear model to linear one and used numerical analysis: “Runge kutta4 (RK4)” is mathematical solutions to study the approximation’s solutions of ordinary differential equations, then pass to the statistical study for multiple regression to applied anova technique and with it, we extract the place of the lesion on medical image MRI by two ways: Distribution of gaussien curve (hypothesis test of ho)... Read more

Vol. 6 Num. 3

The relationships between motivation type and sport participation among students in a South African context

Journal of Physical Education and Sport Management

J. Phys. Educ. Sport Manag.

Reasons for participation in sport differ and intrinsic motivation, extrinsic motivation and even amotivation can influence the decision. In the South African context, little research has been done on the differences of motivation among male and female students to participate in sport. This study sought to understand the relationship between certain motivation drivers and sport participation. It also explored the gender variable and whether there... Read more

Vol. 5 Num. 6

The effect of concept mapping- guided discovery integrated teaching approach on Chemistry students’ achievement and retention

Educational Research and Reviews

Educ. Res. Rev.

This study investigates the effects of Concept Mapping-Guided Discovery Integrated Teaching Approach on the achievement and retention of chemistry students. The sample comprised 162 Senior Secondary two (SS 2) students drawn from two Science Schools in Nasarawa State, Central Nigeria with equivalent mean scores of 9.68 and 9.49 in their pre-test. Five instruments  were developed, validated  and used by the investigator for the study; they... Read more

Vol. 9 Num. 22

Vaginal colonization and resistance profile of group B Streptococcus among pregnant women in Yaoundé Gynecology, Obstetric and Pediatric Hospital in Cameroon

Journal of Clinical Medicine and Research

J. Clin. Med. Res.

In order to obtain reliable data on vaginal carriage of Streptococcus agalactiae in pregnant women and to formulate a prevention program of neonatal Group B Streptococcus (GBS) disease, we carried out a prospective cross sectional study for 6 months. The general objective of the study was to evaluate the prevalence of vaginal carriage and the resistance profile of GBS. The study involved 142 pregnant women presenting for antenatal care in... Read more

Vol. 6 Num. 6

Cost effectiveness analyses of influenza A (H1N1) vaccination programs: How accurate were they?

Journal of Infectious Diseases and Immunity

J. Infect. Dis. Immun.

Three economic evaluations of pandemic influenza A (H1N1) vaccination campaigns in North America concluded that the mass vaccination campaigns would be, or were, highly cost-effective, if not cost-saving. This paper re-assesses each study's analysis and presents three arguments: 1) prediction of vaccine program cost-effectiveness is unrealistic, if not impossible, unless quality surveillance data is available; 2) even when surveillance data is... Read more

Vol. 6 Num. 4

Comparision between the effects of dietary suplements of sun dried or sulfur fumigated apricots on the telomerase activity and oxidatıve stress parameters in azoxymethane administered rats

International Journal of Nutrition and Metabolism

Int. J. Nutr. Metab.

This study was conducted to evaluate the protective effects of organic and sulfur treated apricot on the azoxymethane-induced carcinogenesis by antioxidant markers and telomerase activity. Spraque Dawley rats (n = 35) were fed with  two kinds of  dried apricots (sun-dried or sulfur fumigated), with or without azoxhymethane (AOM). Rats were sacrificed after seven weeks for measurement of reduced  glutathione,  malondialdehyde,... Read more

Vol. 6 Num. 5

Identification of post-harvest rotting microorganisms from tomato fruits (Solanum esculentum Mill.) in Toke Kutaye District of West Shoa Zone, Ethiopia

Journal of Stored Products and Postharvest Research

J. Stored Prod. Postharvest Res.

Tomato (Solanum esculentum Mill.) fruits were collected  from farmers and retailers in Toke Kutaye District, Ethiopia during main-season (October to December, 2012) and off-season (December, 2012 to March, 2013) with an objective to identify microbial organisms that cause post-harvest rot of tomato. Diseased tissues were cultured in Potato Dextros Agar media for fungal and in Nutrient media  for bacterial identification. Identification of... Read more

Vol. 5 Num. 3

Assessment of knowledge gap and constraints affecting production and consumption of standardized dairy products in Wolayta Soddo, Southern Ethiopia

African Journal of Agricultural Research

Afr. J. Agric. Res.

A study was conducted to assess knowledge gap and identify constraints on production and consumption of standardized dairy products.  Only 20, 10, 16.7, 3.3 and 6.7% had knowledge about standardized dairy products, hazard consequent of using substandard dairy products, proper standards during milk production, hazard analysis critical control point system and  what to check during shopping labeled dairy products, respectively. All... Read more

Vol. 9 Num. 47

Composition and stand structure of a regenerating tropical rainforest ecosystem in South-western Nigeria

International Journal of Biodiversity and Conservation

Int. J. Biodivers. Conserv.

The dynamics of forest regeneration in a tropical rainforest ecosystem in South-western Nigeria as exemplified by International Institute of Tropical Agriculture Forest Reserve, Ibadan, Nigeria was assessed. Twenty-four sample plots of 25 × 25 m each were used to assess all plants ≥ 5 cm diameter at breast height (dbh) (1.3 m) in each plot for density, height, dbh and frequency. Detrended Correspondence Analysis (DCA), similarity and... Read more

Vol. 6 Num. 11

Changes in growth and nutrient uptake in response to foliar application of sodium and calcium chloride in cowpea cultivars (Vigna unguiculata L. Walp)

African Journal of Biotechnology

Afr. J. Biotechnol.

In this study, the effects of NaCl and CaCl2 on growth and nutrients uptake of cowpea (Vigna unguiculata L. Walp cvs. Mouola GG; Mouola PG, Garoua GG, Garoua PG and Tsacre) were investigated. Three treatments [0 (unsprayed), 50 mM NaCl or 50 mM CaCl2] were adopted, with five replications. NaCl and CaCl2 were applied as foliar spray twice a week during 30 days after sowing. Application of NaCl resulted in significant decreases in plant height, dry... Read more

Vol. 13 Num. 47

Morphometric relations, diet composition and ontogenetic dietary shift of Labeobarbus intermedius (Rüppell, 1836) in Lake Tana gulf of Gorgora, Ethiopia

International Journal of Fisheries and Aquaculture

Int. J. Fish. Aquac.

Morphometric relations, feeding habits and dietary shifts of Labeobarbus intermedius in Lake Tana at gulf of Gorgora were studied during the dry season. A total of 250 fish ranging from 13.2 to 43.8 cm total length (TL) and 73.4 to 742.8 g total weight (TW) were randomly sampled from the lake. The data generated from both morphometric parameters were analyzed using SPSS (Version 20) and expressed using least square regression, and stomach content... Read more

Vol. 6 Num. 11

Analytical investigation of convective heat transfer of a longitudinal fin with temperature-dependent thermal conductivity, heat transfer coefficient and heat generation

International Journal of Physical Sciences

Int. J. Phys. Sci.

In this article, the heat transfer through a longitudinal fin is studied. The heat transfer coefficient, thermal conductivity and heat generation are variables and supposed to be temperature-dependent. The temperature distribution in fin with longitudinal rectangular profile was carried out by using the differential transformation method (DTM) which is an analytical solution technique. For validation of the analytical solution, the heat equation is... Read more

Vol. 9 Num. 21

Effect of industrial tannery effluent on soil fungi and fungal protease/cellulase activity on modified rice husk /modified sawdust medium (MRHM/MSDM)

Scientific Research and Essays

Sci. Res. Essays

The release of unprecedented tannery effluents into agricultural fields constitutes danger to land fill and nutrient cycling as well as organic matter processing. In the present study, tannery effluent discharged soil (polluted landfill), undischarged soil (control) and effluent discharged (waste) were collected from the surrounding areas of tannery industry. The physico-chemical and biological properties and soil protease / cellulose were examined.... Read more

Vol. 9 Num. 21

Water quality assessment of Manchar Lake during the month of August and November 2011 by analyzing selected trace elements

African Journal of Pure and Applied Chemistry

Afr. J. Pure Appl. Chem.

Manchar Lake is the largest fresh water lake in Pakistan, situated in Jamshoro District. It was created in the 1930 when the Sukkur Barrage was constructed on the river Indus. It is a vast natural depression flanked by Khirthar range in the west, Lakhi hills in south and river Indus in the east. On the north eastern side is the protective embankment. The lake is fed by two canals, the Aral Wah and the Danister from the river Indus. The lake also... Read more

Vol. 8 Num. 11

Integrative transport and modal interchanges: A social sustainable approach towards urban migration

Journal of Civil Engineering and Construction Technology

J. Civ. Eng. Constr. Technol.

Transport is argued to be one of the most important human activities worldwide and an indispensable component of the economy. Transport provides an integral function in the forming of spatial relations between locations. Integrative transport systems are relatively unknown concept and therefore, only implemented to a certain extent. Integrating transport with the surrounding land use is however essential in order to create a sustainable and livable... Read more

Vol. 5 Num. 6

On the influence of interseasonal sea surface temperature on surface water pCO2 at 49.0°N/16.5°W and 56.5°N/52.6°W in the North Atlantic Ocean

Journal of Oceanography and Marine Science

J. Oceanogr. Mar. Sci.

The sea surface temperature (SST) and partial pressure of carbon dioxide (pCO2) derived from hourly in situ measurements at Northwest (56.5°N, 52.6°W) and Northeast (49.0°N, 16.5°W) subpolar sites of the Atlantic Ocean from 2003 – 2005 were employed to investigate the seasonal pCO2–SST relationship. The results indicate weak to moderately strong significant negative relationships (r = -0.04 to -0.89, p<0.0001) and (r =... Read more

Vol. 5 Num. 7

Production of fructosyltransferase by Penicillium simplicissimum in batch culture

African Journal of Biotechnology

Afr. J. Biotechnol.

Seventeen (17) strains of macro-fungi were screened for fructosyltransferase (FTase) production, of which Penicillium simplicissimum was selected for further work. FTase production was carried out in shake flask cultured at 30°C and 250 rpm for 48 h. For optimization of one factor-at-a-time method, effects of initial sucrose concentration, fermentation time, pH, inoculum size and agitation speed were studied on growth and extracellular FTase... Read more

Vol. 13 Num. 46

The difficulties of the bilingual social sciences teacher candidates in educational activities: A case of Agri Ibrahim Cecen University

Educational Research and Reviews

Educ. Res. Rev.

This study aims at determining the difficulties experienced by bilingual teacher candidates in education. The study has a qualitative design, semi-structured interview is used and data are obtained with content analysis method. The study group of the research includes 117 students studying at different classes in Agri Ibrahim Cecen University, Faculty of Education, and Department of Social Sciences Teaching in 2013-2014 academic year, fall semester.... Read more

Vol. 9 Num. 21

Technical efficiency of fenugreek production in the semi arid region of Rajasthan, India: A stochastic frontier approach

African Journal of Agricultural Research

Afr. J. Agric. Res.

This paper examines the technical efficiency of fenugreek production in Rajasthan and also identifies key variables affecting technical efficiency using primary data collected from 120 randomly selected fenugreek cultivating farmers by applying a stochastic frontier analysis (SFA). The results obtained in an empirical model indicated that mean technical efficiency of all categories of farmers was 70%. This suggests that still there is scope for... Read more

Vol. 9 Num. 46

Effect of ginger rhizome extract on lymphocytopenic guinea pig with azathioprine

African Journal of Pharmacy and Pharmacology

Afr. J. Pharm. Pharmacol.

The objectives of this study were to investigate quantitative alterations in leukocytes and immunosuppressive effects of ginger rhizome associated with oral administration of Azathioprine (AZA) on guinea pig model. This study was carried out at the Al Jouf University during the period from March to April 2013. A total of twelve guinea pigs randomly divided into three groups (four guinea pigs each) were used in this study. Group I, received daily... Read more

Vol. 8 Num. 41

Logarithmic scaling and effects of severity levels of ringspot disease on sensory quality of coffee brew

African Journal of Agricultural Research

Afr. J. Agric. Res.

A logarithmic scale was developed to evaluate the severity of the ringspot caused by Coffee ringspot virus (CoRSV) in coffee berries to investigate the effect of disease severity on the quality of brew. The scale comprised seven severity levels (0, 1 to 4%, 4.1 to 8%, 8.1 to 15%, 15.1 to 25%, 25.1 to 50%, 50.1 to 75%, 75.1 to 90%) and was evaluated for accuracy, precision, and reproducibility of severity estimation. The accuracy and precision were... Read more

Vol. 9 Num. 45

Multivalent harmonic uniformly convex functions

African Journal of Mathematics and Computer Science Research

Afr. J. Math. Comput. Sci. Res.

In this paper, several properties of the multivalent harmonic uniformly convex classes    and  were investigated. Coefficient bounds, distortion theorem, extreme points, convolution condition, convex combinations and integral operator for these classes were obtained.   Key words: Harmonic, multivalent functions, convex, convolution. Read more

Vol. 7 Num. 7

Chitinolytic assay for Trichoderma species isolated from different geographical locations of Uttar Pradesh

African Journal of Biotechnology

Afr. J. Biotechnol.

Chitin is the most commonly available polymer on the earth. Cell walls of most of the fungi are made up of chitin. As we all know that Trichoderma produces a wide variety of cell wall degrading enzymes (CWDEs) such as chitinase, xylanase, glucanase and cellulase. Out of these CWDEs chitinase is of prime importance as it is the building block of fungal cell walls. For the detection of chitinase activity we used a simple and sensitive method. We... Read more

Vol. 13 Num. 45

Production and optimization of extracellular α-amylase productivity from Bacillus subtilis

African Journal of Microbiology Research

Afr. J. Microbiol. Res.

A moderately thermophilic strain of Bacillus subtilis was isolated from agricultural soil at the National Root Crops Research Institute (NRCRI), Umudike, Umuahia, Nigeria. The organism produced a thermostable α-amylase in complex medium containing 2% (w/v) soluble starch. Peak amylase activity was obtained at 48 h of fermentation period which corresponded with the late exponential phase of the organism. Amylase activity was more strongly... Read more

Vol. 8 Num. 45

Analysis and parametric optimization of flux cored arc welding process for IS 2062 mild steel plates using Taguchi method and utility concept

Journal of Engineering and Technology Research

J. Eng. Technol. Res.

Optimization of flux cored arc welding (FCAW) process parameters were carried out to obtain optimum weld bead geometry in mild steel plates of IS 2062 by using an alternate Taguchi method. Design of experiments based on multi-objective Taguchi approach was employed for development of mathematical model correlating important process parameters like welding voltage (V), welding current (I), stick out (N) and wire speed (T), with weld bead parameters... Read more

Vol. 6 Num. 7

Transfer matrix technique for determining the resonance conditions in retrieving stuck drill pipes with a top vibratory suspended drive

Journal of Petroleum and Gas Engineering

J. Petroleum Gas Eng.

A stuck drill pipe has been recognized as one of the most costly and non-productive challenges in drilling operations. Fishing jars are routinely used to un-lock or loosen the stuck (jammed) pipes which in many cases are expensive and the time taken to complete the job can reach several days of continuous jarring. The use of surface mounted vibratory systems has offered an alternative cost effective means to free the stuck pipes. Almost all of these... Read more

Vol. 5 Num. 5

Effects of aqueous extract of Waltheria indica leaves on blood profile of male albino rats

Journal of Medicinal Plants Research

J. Med. Plants Res.

This study was to investigate the effect of oral administration of aqueous extract of Waltheria indica leaf on the blood profile of male albino rats. The extract showed significantly (p < 0.01) different increase of red blood and white blood cell counts values at 400 and 800 mg/kg doses. However, the extract showed insignificant difference in packed cell volume, mean corpuscular volume, mean corpuscular haemoglobin and haemoglobin concentrations... Read more

Vol. 8 Num. 41

Performance evaluation of indigenous Arabica coffee genotypes across different environments

Journal of Plant Breeding and Crop Science

J. Plant Breed. Crop Sci.

Evaluation of 30 Arabica coffee genotypes was carried out at four different locations in south-western Ethiopia to identify genotypes that exhibits stable performance across wide environments. The analyses of variances revealed that yield differences among genotypes were highly significant at all locations in both seasons except at Jimma during the second season. The interaction was also highly significant. Six genotypes: 8211, 808, 8219, 75187B,... Read more

Vol. 6 Num. 11

Climate change adaptations of smallholder farmers in South Eastern Ethiopia

Journal of Agricultural Extension and Rural Development

J. Agric. Ext. Rural Dev

The negative impact from the climate change has been striking the agriculture sector in Africa. For countries like Ethiopia, whose livelihood occupation of the nation is mainly based on subsistence agriculture that highly rely on rainfall, making an adjustment to adapt to the changing situation is crucial. Therefore, designing context specific adaptation strategies are essential to moderate the negative effect of climate change. This study was... Read more

Vol. 6 Num. 11

Status of modern contraceptive use among married women in Debre Birhan District, Ethiopia

Journal of Public Health and Epidemiology

J. Public Health Epidemiol.

  Unless evidence based decisions are made based on local contexts, the low prevalence level of contraceptive use and the corresponding higher total fertility rate will make Ethiopia to remain the most populous country in Africa. The purpose of this study was to assess the status of modern contraceptive use among married women in Debre Birhan district, Ethiopia. A community based cross-sectional study was conducted among married women of... Read more

Vol. 6 Num. 10

Does the organizational structure affect the management of universities in Uganda? An empirical analysis

International Journal of Educational Administration and Policy Studies

Int. J. Educ. Admin. Pol. Stud.

The organisational structure of universities follows particular models that distinguish them from other learning institutions. This research investigated the effect of the organisational structure on the management of universities in Uganda using a sample of 361, 44 % of whom were members of academic staff, and the rest contained university top management officials, administrative and support staff of universities. The subjects were selected using... Read more

Vol. 6 Num. 8

The exuberance of immigration: The immigrant woman in Bharati Mukherjee’s

International Journal of English and Literature

Int. J. English Lit.

South Asian women and in this context Indian women have always suffered subjugation and rejection in a chauvinistic society restricting them to a life of domesticity. However, by migrating to a foreign country as spouses and participating in the labour market to get education and to live for their children, women migrants experienced social and emotional emancipation and financial independence for the first time. This paper aims to explore the... Read more

Vol. 5 Num. 8

Interest groups, voluntary agreements and tobacco control in Ghana

Journal of Public Administration and Policy Research

J. Public Adm. Policy Res.

The paper examines the role of tobacco interest groups in obstructing the adoption of tobacco control policies in developing countries using the interest groups and global advocacy network theories. Specifically, it combines expert interviews with review of secondary materials to examine the strategies to promote the adoption of a tobacco control law in Ghana. This study finds that the adoption of the voluntary agreements in Ghana created the... Read more

Vol. 6 Num. 4

A social-semiotic engagement with representations of President Robert Mugabe and Prime Minister Morgan Tsvangirai in The from June 2008 to July 2013

African Journal of Political Science and International Relations

Afr. J. Pol. Sci. Int. Relat.

THE FIVE-YEAR government of national unity tenure in Zimbabwe that brought together three leading political parties namely the Zimbabwe African National Union-Patriotic Front (ZANU-PF), and the two Movement for Democratic Change (MDC) parties came to an end when the country held successful parliamentary and presidential elections in July 2013. As was the case in 2008, the ruling ZANU-PF party won the 2013 election. Using the social-semiotics... Read more

Vol. 8 Num. 7

A shift from peasant to intellectual-led political opposition in Tigray during the imperial regime (up to 1974)

African Journal of History and Culture

Afr. J. Hist. Cult.

This paper examines how the educated people of Tigray took over the illiterate ones to fight against the imperial government. Local songs, poems and sayings used against Emperor Haileslasie are discussed. Following the liberation of Ethiopia from the Italian occupation in 1941, Emperor Haileslasie introduced a number of reforms, many of which were rejected by the people of Ethiopia. The imperial government used different measures including force to... Read more

Vol. 6 Num. 8

Nigeria and the crisis of cultural identity in the era of globalization

Journal of African Studies and Development

J. Afr. Stud. Dev

This paper examines the crisis in the Nigerian cultural environment as a result of globalization. Globalization, referred to as the inter-dependence of countries, peoples, races and institutions in politics, economics, arts, science and technology, is equally responsible for inter-cultural exchanges and the coming together of people of diverse persuasions. In place of previous prejudices, biases and misunderstandings, globalization has led to... Read more

Vol. 6 Num. 8

Origin and development of ‘Directing’ in juju music performance

Journal of Music and Dance

J. Music Dance

Juju music as a unique Nigerian popular genre has so many African phenomena inculcated into its performance though it has some western touches in its scale and some other features. Hence this paper examined one of the African phenomena – directing, in the performance of juju music. This write up was based on the conducted research and in order to present a genuine report, live performances and the recordings of juju exponents such as King... Read more

Vol. 4 Num. 3

Study habits, use of school libraries and students’ academic performance in selected secondary schools in Ondo West Local Government Area of Ondo State

International Journal of Library and Information Science

Int. J. Lib. Inf. Sci.

The study was on study habits, use of libraries and students’ academic performance in selected secondary schools in Ondo West Local Government Area of Ondo State. Survey technique was adopted for the study, and the instrument for data collection was questionnaire. Complete enumeration was the procedure used for the study. 296 copies of questionnaire were administered and retrieved but 14 copies were invalid. Thus, 284 (95%) copies were valid... Read more

Vol. 6 Num. 4

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