Articles

 

Page 4 of 1128, showing 50 records out of 56374 total, starting on record 151, ending on 200

June 2018

International Journal of Fisheries and Aquaculture
Physical, chemical parameters and plankton in a tropical earthen pond catfish farm in Badagry, Nigeria

The physico-chemical parameters and plankton abundance of four artificial fish ponds in Omageyu Farms, Ijotun, Badagry, Nigeria was studied and analysed using standard methods monthly from June to December 2015. Water temperature, pH and dissolved oxygen ranged from 27.80 to 32.00°C, 6.90 to 7.40 and 6.80 to 10.00 mg/l, respectively in the four ponds. Water temperature, pH, and dissolved oxygen in Pond A were...

Author(s): Martins Agenuma Anetekhai, Edwin Oritseweyinmi Clarke, Oluwayemisi Adebisi Osodein and Morenikeji Tolulope Dairo

June 2018

International Journal of Fisheries and Aquaculture
Substitution of the fish meal by the earthworm and maggot meal in the feed of Nile tilapia Oreochromis niloticus reared in freshwater

The present experiment was conducted to evaluate the efficacy of dietary protein from maggot meal and earthworm meal to replace fish meal protein in Oreochromis niloticus juvenile feed. The fish used for this experiment come from the experience of the larval phase during which fish were fed with the formulated diets [fish diet (FD), maggot diet (MD) and earthworm diet (ED)] content 40% crude protein and the commercial...

Author(s): Medard GBAI, N’golo OUATTARA, Yacouba BAMBA, Mamadou OUATTARA, Allassane OUATTARA and Kouakou YAO  

June 2018

African Journal of Mathematics and Computer Science Research
Applications of Cauchy-Schwarz inequalities in the mapping structure of linear operator

By applications of Cauchy-Schwarz inequalities, several sufficient conditions in terms of hypergeometric inequalities were found such that the linear operator   preserves and transforms certain well known subclasses of univalent functions to another classes. Relevant connections of our work with the earlier work is pointed out. Key words: Analytic function, subordination, starlike function, convex...

Author(s): T. Panigrahi and R. El-Ashwah

June 2018

Journal of Microbiology and Antimicrobials
Phytochemical screening and antibacterial susceptibility of Escherichia coli O157:H7 isolates on Acacia ataxacantha leaves

Acacia ataxacanta leaves were screened for possible constituents, and the antimicrobial properties of the leaves were tested against 18 isolates of Escherichia coli O157:H7. The leaves were aseptically collected and crude extracts were prepared by cold maceration in 98% methanol. Phytochemical analysis for bioactive constituents revealed that it contained carbohydrates, cardiac glycosides, steroids, saponins,...

Author(s): Madubuike S. A. , Mailafia S., Ode O. J. and Okpo N.  

June 2018

African Journal of Biochemistry Research
Bacteriostatic and Bactericidal effects of ethyl acetate root bark extract of Terminalia avicennioides on Methicillin-resistant Staphylococcus aureus

Root bark extract of Terminalia avicennioides was obtained by cool maceration with 750 ml n-hexane, chloroform, ethyl acetate and methanol, independently for 48 h using soxhlet extractor. ATCC 33591 standard strains of methicillin-resistant Staphylococcus aureus (MRSA) was used. Strain resistance to methicillin/oxacillin antibiotic was verified by a retest of its sensitivity to oxacillin antibiotic. The antimicrobial...

Author(s): Adim Ekene Ugochukwu, Dingwoke Emeka John, Adamude Fatima Amin, Edenta Chidi, Nwobodo Ndubuisi Nwobodo, Offiah Raymond Ogbonna, Onyeka Ifeanyi Peter and Ezeaku Ikenna Nnamdi

June 2018

African Journal of Cellular Pathology
Histological and histochemical assessements on the effect of ethanol fruit extract of Phoenix dactylifera L. (Date Palm) on cerebral cortex of lead acetate treated wistar rats

This study histologically and histochemically assess the effect of ethanol fruit extract of Phoenix dactylifera L. (EFPD) on the cerebral cortex of lead acetate exposed Wistar rats. Twenty rats were grouped into five groups (A to E, n=4). Group A (control) was administered distilled water (2 ml/kg), while groups B to E were treatment groups. Cerebral damage was induced in rats by the administration of lead acetate (120...

Author(s): Stephen Samuel Lazarus, Samuel Sunday Adebisi, Yusuf Tanko, Abel Nosereme Agbon and Michael Ndomi Budaye

June 2018

African Journal of Cellular Pathology
Determination of egg production and weight in layers experimentally infected with Salmonella gallinarum

The present study was conducted to determine egg production and weight in layers experimentally infected with Salmonella gallinarum. Twenty layers were used for the research. The layers were purchased at the age of 18 weeks from certified commercial poultry farm in Kujama farm, Kaduna State, Nigeria and housed in the Animal Research Unit of the Veterinary Teaching Hospital, Faculty of Veterinary Medicine, Ahmadu Bello...

Author(s): Mohammed Adam Chiroma, Sani Adamu, Joseph John Gadzama, King Akpofure Nelson Esievo, Abdulsalam Hassan, Arhyel Gana Balami, Muhammad Ya’u, Ibrahim Bulama and Lekko Yusuf Madaki

June 2018

Journal of Medical Laboratory and Diagnosis
Prevalence of Smear positive Pulmonary Tuberculosis (PTB) and Associated Factors among PTB Suspects Attending Harar Tuberculosis Control Center, Harar, Ethiopia

Tuberculosis (TB) continues to be an important public health problem worldwide. It is a leading cause of disability and death in many parts of the world especially in the developing countries. Ethiopia has already a record of history of TB around greater than 58 years. The aim of the study was to determine the prevalence and associated factors of pulmonary tuberculosis (PTB) in Harar TB control center. A health...

Author(s): Hylemariam Mihiretie, Daniel Getacher, Yaregal Araya, Diriba Gemechu, Eskedar Taye and Berhanu Seyoum  

June 2018

Journal of Pharmacognosy and Phytotherapy
Fungal metagenomes in polyherbal medicines used for the treatment of tuberculosis

The traditional systems of medicine have significantly become more accepted in the developed and developing countries due to their curative property, less toxicity and minimal side effects. However, several studies have shown that they are associated with microbial contaminants. This study aimed at identifying fungi in nine polyherbal medicines used for the treatment of tuberculosis in Eastern Cape Province, South...

Author(s): Elizabeth Bosede Famewo, Anna Maria Clarke and Anthony Jide Afolayan

June 2018

International Journal of Nursing and Midwifery
Women autonomy and maternal healthcare services utilization among young ever-married women in Nigeria

In Nigeria, the lifetime risk of death from pregnancy or childbirth complications is 1 in 30. Maternal healthcare utilisation addresses the risk of maternal mortality and morbidity but its utilisation is influenced by varying factors of which autonomy has been neglected especially for young married women. Therefore, this study examined the relationship between young married women’s level of autonomy and maternal...

Author(s): Awoleye Abayomi F, Victor Chima and Alawode Oluwatobi A

June 2018

African Journal of Pure and Applied Chemistry
Isolation and characterisation of chemical compounds from the plants, Phytolacca octandra (L.), Phytolacca dodecandra (L'Herit) and Balanites aegyptiaca (L.) commonly used to control schistosomiasis transmitting snails in Kenya

Schistosomiasis is a widespread parasitic infection globally but more so in sub-Saharan Africa which accounts for about 90% of those seeking treatment globally. Fresh water aquatic snails are intermediate hosts of parasites causing the disease. Niclosamide was approved by the World Health Organization to be the main molluscicide used in the control of the snails. However, many plant species could be used as alternative...

Author(s): Kariuki S. T., Kariuki J. M., Mailu B. M. and Muchiri D. R.  

June 2018

Journal of Hospitality Management and Tourism
Wunania Kosoye natural attraction, Ethiopia: Conservation values and their relevance to community-based ecotourism

Community based ecotourism is one of the most rapidly growing industries in the world, and also an economic activity that can encourage local people in developing countries to protect and preserve natural resources. This study aimed to evaluate the potential of Wunania Konoye for conservation and community-based ecotourism development. Cross sectional study design with both quantitative and qualitative methods was used...

Author(s): Endalkachew Teshome  

June 2018

Journal of Geography and Regional Planning
The role of productive processes on the implementation of differential advantage approach in Kenya “OVOP” projects

The study sought to fill an information gap of streamlining productive processes in the implementation of differential advantage approach in Kenya OVOP projects. Since the adoption of One Village One Product (OVOP) movement has been faced with implementation challenges, inadequate resources, and capacities inhibiting its momentum in Kenya. Similarly, lack of political commitment, leadership and mutual cooperation among...

Author(s): Nyamu G. K., Wagah G. G. and Obala L. M.

June 2018

Journal of Neuroscience and Behavioral Health
Predictors of stimulants use among physicians in a Nigerian tertiary health institution in Sokoto, Northwest Nigeria

Studies suggest that prevalence rates of stimulants use and abuse among healthcare professionalss is similar to rates in the general population. Majority of the studies on stimulants use carried out in Nigeria mainly focused on students of secondary and tertiary institutions, thus, there is the need to conduct similar study among physicians in Nigeria. This study aimed to assess the pattern and predictors of the use of...

Author(s): Habibullah Adamu, Muhammad Mubarak Ahmad, Kabiru Mudi, Kabiru Muhammad Dakani and Abdulfatai Tomori Bakare

June 2018

International Journal of Medicine and Medical Sciences
Knowledge, attitude and practice of medical students towards complementary and alternate medicine

Complementary and alternative medicine has been an important part of Pakistani culture for a long time. Whilst it is widely practiced amongst the general population, this study aims to determine attitude and practices of medical students towards complementary and alternative medicine (CAM), and their willingness to learn about them and give advice to their patients about it in future. Cross sectional study was conducted...

Author(s): Fauzia Imtiaz, Abeera Junaid, Sarmad Pirzada, Arham younus and Rafay Amir  

June 2018

International Journal of Water Resources and Environmental Engineering
Effect of climate variability on the yield of crops in Ondo State, Nigeria

Climate change influences crop yield vis-à-vis crop production to a greater extent in countries like Nigeria where agriculture depends largely on natural circumstances. This study assesses the effect of observed climatic variables (rainfall, temperature and relative humidity) on yield of major crops which are divided into two groups, tuber crops (cassava and yam) and fruits (pepper and tomatoes) in Ondo State...

Author(s): Obafemi O. Olubanjo and Adebolu E. Alade

June 2018

ISABB Journal of Food and Agricultural Sciences
Influence of seed size on the germination of four cowpea (Vigna unguiculata (L) Walp) varieties

A study was conducted to investigate how seed size affects germination and vigor of cowpea seeds. Four cowpea varieties, (Asontem, Nhyira, Soronko and Tona), were obtained from Crops Research Institute of the Centre for Scientific and Industrial Research (CSIR-CRI). The seeds were grouped in two sizes (large and small), by manually sorting by length, width and thousand seeds weight. Laboratory experiments were carried...

Author(s): Nataline S. Baysah, Nana S. Olympio and James Y. Asibuo

June 2018

African Journal of Pure and Applied Chemistry
Metakaolin clay-derived geopolymer for recycling of waste cathode ray tube glass

Metakaolin clay (MC)-based geopolymer was used to immobilise waste cathode ray tube (CRT) glass as a method of recycling it into other useful products. Effects of CRT glass on the properties of geopolymer and toxicity status were assessed. A Nigerian MC was replaced with different proportions of ground waste CRT glass (0-20%) and alkali-activated to produce geopolymers. X-ray fluorescence (XRF) was used to characterise...

Author(s): Mary B. Ogundiran and Ikpeni S. Enakerakpo

June 2018

Journal of Stored Products and Postharvest Research
Application of NIR-Spectroscopy to predict the harvesting maturity, fruit ripening and storage ability of Ca-chitosan treated baby kiwifruit

In this study, near infrared (NIR) spectroscopy was performed to establish a non-destructive method to predict the harvesting maturity, fruit ripening and storage ability of Ca-chitosan treated baby kiwifruit. Destructive measurements of firmness, dry matter (DM), soluble solids content (SSC), and acidity was performed. The calibration range investigated for dry matter content (DM) and SSC using NIR reflectance...

Author(s): J. G. Kim, Y. Park, M. H. Shin, S. Muneer, R. Lerud, C. Michelson, D. Il Kang, J. H. Min and H. M. P. Chamidha Kumarihami,  

June 2018

International Journal of Sociology and Anthropology
The right to food as a human right in South Sudan

The study on access to food when it is available and affordable is to increase knowledge of the extent the right to food is recognized and protected as a human right in South Sudan. The objective of the research is to determine the level of state’s obligation in protecting the right to food and the level of food availability. Secondary data is reviewed in contrast to where a questionnaire field survey is carried...

Author(s): Jacob K. Lupai  

June 2018

African Journal of Plant Science
Biological effect of gamma irradiation on vegetative propagation of Coffea arabica L

Coffee is the second most valuable commodity exported by developing countries, and supports the livelihood of more than 75 million people. There are limitations to preference for established cultivars due to the autogamous nature of the crop thereby making improvements via conventional breeding of many years to produce a new cultivar difficult. Mutation breeding can overcome these obstacles. One of the first steps in...

Author(s): Dada K. E., Anagbogu C. F., Forster B. P., Muyiwa A. A., Adenuga O. O., Olaniyi O. O. and Bado S.  

June 2018

Journal of Physical Education and Sport Management
The level of physical activity and the body mass index as factors that influence absenteeism and health behaviours

Obesity and health problems have been observed to reduce productivity and increase absenteeism. Although the relationship between health and productivity is strong, few studies have examined whether the level of obesity and physical activity affect the absence from work and how the health-related habits are affected. The aim of this study was to examine the relations between Body Mass Index (BMI), physical activity,...

Author(s): Konstantinos Spanos and Athanasios Strigas

June 2018

Journal of Dentistry and Oral Hygiene
Assessment of the soft tissue chins thickness with different skeletal vertical patterns in Pakistani adults

The aim of the study is to evaluate and compare the soft tissue chin thickness values among adult patients with different vertical growth patterns. A sample size of 180 adults patients (32 males and 148 females), with an average age of 21.42 years (range 17- 32 years), was selected. The sample was divided into three groups according to the vertical growth pattern using SNMP angle (hypodivergent <27°,...

Author(s): Anam Sattar, Imtiaz Ahmed and Taskeen Khan

June 2018

Journal of Horticulture and Forestry
Effects of volumetric soil water content and fertilizer rate on growth and baicalin accumulation in two species of Scutellaria

Scutellaria or skullcap is a genus containing approximately 350 species of flowering plants, many of which are sold and marketed for their medicinal value. Flavonoids found in Scutellaria spp. have demonstrated anti-inflammatory, antiviral, sedative, antithrombotic and antioxidant affects. Baicalin, a flavonoid produced by Scutellaria spp., is an important compound used to treat anxiety. Scutellaria spp. have potential...

Author(s): Amanda Morgan, Brian Joseph Pearson, Gul Shad Ali, Kimberly Moore and Lance Osborne

June 2018

International Journal of Educational Administration and Policy Studies
Factors associated with organizational commitment of academic employees in Botswana

Organizational commitment is a major determinant of organizational effectiveness and desirable employee attitudes and behaviours. Highly committed academic staff are the backbone of universities since they play an important role in the success of their institutions. This study investigated factors associated with organizational commitment among academic employees of a university in Botswana using a representative sample...

Author(s): Thabo T. Fako, Esther Nkhukhu-Orlando, Debra R. Wilson, Ntonghanwah Forcheh and James G. Linn

June 2018

Journal of Law and Conflict Resolution
The contentious relationship between Africa and the International Criminal Court (ICC)

The International Criminal Court (ICC) established in 2002 under the Rome Statute with significant support from African States, which comprise thirty percent of the ICC’s total membership.  After nearly two decades in operation, the ICC has issued a number of indictments to both sitting and ex-African leaders.  The African Union has criticized these indictments citing that the court seems to be overly...

Author(s): Emmanuel Okurut and Hope Among,

June 2018

Journal of Engineering and Technology Research
Development of hot spring fed incubator for duck eggs

The development of hot spring heat source incubator for duck eggs was deemed necessary to design the utilization of hot spring as heat source for incubating duck eggs, to reduce the use of electricity. This study addressed issues such as replacing conventional source of energy with geothermal energy in Los Baňos, Laguna, Philippines for incubation of eggs (ducklings, ballot and penoy). The experimental design used was...

Author(s): Anthony J. Taplah, Delfin C. Suministrado, Rossanna Marie C. Amongo, Fernando O. Paras Jr, Jessie C. Elauria and Marilyn Elauria  

June 2018

International Journal of Medicine and Medical Sciences
Emerging trends in the profession of Biokinetics: A 10 year perspective (2007-2017)

The consistent review of developing patterns in any healthcare profession is important, as this allows the determination of whether the current practitioner registry meets the healthcare demands, or whether the patient market has become oversaturated with practitioners. The South African Biokinetics profession has been established for 35 years, but as never undergone an examination of its developing trends. The aim was...

Author(s): Terry J. Ellapen, Marco Barnard, Mariette Swanepoel, Henriette V. Hammill, Yvonne Paul and Gert L. Strydom

June 2018

Journal of Economics and International Finance
Does behavior of clients matter in adoption of internet banking? Evidence from Commercial Bank of Ethiopia

This study identifies underlying behavioral drivers and impediments of adopting internet banking. Primary data was collected using questionnaire survey from 123 sample clients of three selected branches of Commercial Bank of Ethiopia. Behavioral aspects of clients attributable to the adoption of internet banking were solicited and subjected to binary logistic regression analysis. The findings of the study showed that...

Author(s): Belete Shiferaw and Tsegaye Molla

June 2018

Journal of Economics and International Finance
The effect of real gross domestic product (GDP) growth rate convergence on exchange rate volatility in search for the East African monetary union

So far, the formation of a monetary union in the East African Community (EAC) has remained elusive. The EAC partner states therefore established set targets for macroeconomic convergence, with an aim to eliminate exchange rate variability within the bloc. Where countries are able to eliminate or reduce exchange rate adjustments to maintain external balance, the costs of a monetary union reduces, thus the more suitable...

Author(s): Jane Kaboro, Aquilars Kalio and Lawrence Kibet

June 2018

African Journal of Medical and Health Sciences
Prevalence and Risk Factors for Helicobacter Pylori Infection in Gastroduodenal Diseases in Kano, Nigeria

Background: Helicobacter pylori (H. pylori) has been well noted as a causative agent of many diseases in the gastrointestinal (GI) tract notably, gastritis, peptic ulcer disease, and gastric adenocarcinoma. Determining the burden and the risk factors for acquiring this infection may be crucial to containing it and its sequelae in Kano, Nigeria. Methodology: The study was cross‑sectional in design. Questionnaires were...

Author(s): Ahmad Kumo Bello, Ali Bala Umar, Musa Muhammad Borodo

  • Article Number: 593312F57735

June 2018

African Journal of Medical and Health Sciences
Work‑Related Respiratory Symptoms and Cardiopulmonary Function Impairment of Factory Workers in a Cement Company in South‑West Nigeria

Background: Cement factory workers are exposed to dangerous cement dust while at workplace especially in the developing countries where little or no safety standards are followed. This study investigated the work‑related respiratory symptoms and cardiopulmonary functions’ impairment in cement factory workers in South‑West, Nigeria. Materials and Methods: Seventy cement exposed workers and 70 age‑matched unexposed...

Author(s): Happiness Anulika Aweto, Bosede Abidemi Tella, Adetutu Islamiyyah Lateef

  • Article Number: 6EF0A7757737

June 2018

African Journal of Medical and Health Sciences
Diagnostic Reference Levels for Mammography Examinations in North Eastern Nigeria

Background: Diagnostic reference levels (DRLs) plays an important role in health‑care delivery and radiation safety of patients. This study was carried out as part of a comprehensive project to establish DRLs for the radiological examinations for the first time in North Eastern Nigeria. Objective of the Study: The aim is to establish DRL for mammography examination in North Eastern Nigeria and to compare it with other...

Author(s): Dlama Zira Joseph, Christian Chukwuemeka Nzotta, Joseph Dimas Skam, Mohammed Sani Umar, Dambele Y. Musa

  • Article Number: 43CB6E657739

June 2018

African Journal of Medical and Health Sciences
A 10‑Year Review of Ultrasonographic Findings of Scrotal Diseases in Ibadan, South Western, Nigeria

Introduction: Despite the importance of a thorough clinical evaluation, ultrasonography has emerged as the mainstay of imaging of the scrotum and its contents. Differentiation of testicular lesions and that of adjacent scrotum and content is usually difficult clinically. Scrotal ultrasound (SUSS) is highly sensitive in the detection of intrascrotal abnormalities and in differentiating testicular from paratesticular...

Author(s): Ademola Joseph Adekanmi, Adenike Temitayo Adeniji‑Sofoluwe, Gbolahan Obajimi, Ekwutosi Okafor

  • Article Number: A818E5A57741

June 2018

African Journal of Medical and Health Sciences
Prevalence and Antibiogram Pattern of Salmonella enterica Serotypes in Garhwal Region: First Report from Foothills of Himalayas

Introduction: Enteric fever, caused by Salmonella enterica subsp. Enterica serotype Typhi and Paratyphi, is endemic in India with an incidence of 102–2219/100,000 populations. The definitive diagnosis of enteric fever in patients with compatible clinical picture is isolation of Salmonellae from blood, bone marrow, stool or urine, and demonstration of four‑fold rise in antibody titer to both O and H antigen of the...

Author(s): Vikrant Negi, Monika Pathania, Rajat Prakash, Deepak Juyal, Munesh Kumar Sharma, Shekhar Pal

  • Article Number: 6FFCD4957724

June 2018

African Journal of Medical and Health Sciences
Anesthesia for Emergency Cesarean Section: A Comparison of Spinal versus General Anesthesia on Maternal and Neonatal Outcomes

Background: Despite the relative safety of cesarean section (CS), increasing CS rate is a cause for concern to obstetricians and anesthetists because of the attendant increased health risk one of which is the risk of anesthesia. The choice of anesthesia for cesarean section depends on the indication for the surgery, the urgency of intervention required, the maternal and/or fetal status, and the patient’s desires....

Author(s): Vitus Okwuchukwu Obi, Odidika Ugochukwu J. Umeora,

  • Article Number: 0C59DB257730

June 2018

African Journal of Medical and Health Sciences
Musculoskeletal Tumors of the Extremities: Challenges and Outcome of Management in a Nigeria Tertiary Hospital

Background: Patients with musculoskeletal tumors in developing countries often present late to the hospital and this poses serious challenges to the management, especially for malignant tumors. This study aims to highlight the various types of musculoskeletal extremity tumors seen in a Nigerian tertiary health center during the study period, the challenges encountered in managing them, and the outcome of the...

Author(s): O. N. Salawu, O. M. Babalola, G. H. Ibraheem, C. Nwosu, A. K. Suleiman, D. M. Kadir, B. A. Ahmed, J. O. Mejabi, A. A. Fadimu, T. O. Adeyemi, W. O. Olawole

  • Article Number: F9C683357726

June 2018

African Journal of Medical and Health Sciences
Lead in Potable Water Sources in Anambra State, South East, Nigeria

Introduction: Due to lack of treated water supply in major cities and settlements in Anambra state, Nigeria, majority of the population obtain potable water directly from boreholes, streams, sachet, harvested rain, and well water sources. Lead‑laden potable water may be a major cause of mortality and morbidity in Anambra state, Nigeria. Objective: This study was conducted to determine the presence of lead in potable...

Author(s): Ignatius C. Maduka, Anthony I. Anakwuo, Nnamdi P. Ogueche

  • Article Number: F1F613D57728

June 2018

African Journal of Medical and Health Sciences
Incidence and Pattern of Dog Bite Injuries Treated in the Emergency Room of a Teaching Hospital South East Nigeria

Background: Dog bite injury treated in the emergency room varies from and within sub regions in pattern and potential risk of transmission of rabies. This variation has implications in its morbidity and mortality. The aim of this study was to determine the incidence and pattern of dog bite injuries treated in a teaching hospital emergency room setting of a developing country. Patients and Methods: This was a...

Author(s): Njoku Isaac Omoke, Ndubuisi Onu Chukwueloka Onyemaechi

  • Article Number: 2D53BA457732

June 2018

African Journal of Medical and Health Sciences
Nutritional Status of perinatally HIV‑infected children on antiretroviral therapy from a resource‑poor rural South African community

Objective: In Sub‑Saharan Africa, millions of children are suffering from HIV and coexisting child undernutrition. Despite efforts to curb the spread of HIV through the availability of treatment and various nutritional programmes, it has been argued that undernutrition remains highly prevalent in rural areas. The objective of this study was to describe the prevalence and psychosocial factors influencing the nutritional...

Author(s): Antonio George Lentoor

  • Article Number: 240367057715

June 2018

African Journal of Medical and Health Sciences
The effect of bacterial colonization of the embryo transfer catheter on outcome of in vitro fertilization–embryo transfer treatment

Background: In vitro fertilization–embryo transfer (IVF − ET) has become a core treatment method for managing infertility. Bacterial contamination of the ET catheter may affect outcome, but there is still no consensus of evidence. Objectives: This study aims to assess the effect of bacterial colonization of the ET catheter tip on the clinical pregnancy rate in an IVF–ET treatment. Methods: An...

Author(s): Roy N. Maduka, James A. Osaikhuwuomwan, Michael E. Aziken

  • Article Number: A898FB557716

June 2018

Journal of Petroleum and Gas Engineering
Review of studies on pore-network modeling of wettability effects on waterflood oil recovery

Waterflooding has become by far the most widely applied method for enhanced oil recovery, accounting for more than half of oil production worldwide. Changes in the wettability of a porous medium and the chemical composition of the wetting fluid result to changes in oil recovery. In recent time, pore-network modeling has been used increasingly to study the effect of wettability on waterflood oil recovery and multiphase...

Author(s): Onuoha F. Wopara, and Sunny E. Iyuke

June 2018

Journal of Accounting and Taxation
Determinants of tax evasion in the developing economies: A structural equation model approach of the case of Ghana

The objective of this paper is to examine the factors that determine whether a tax payer would evade tax. It also seeks to explore the mediating role of tax education in the relationship between traditional, institutional, socio-cultural factors and tax evasion. A cross-sectional survey was used for the study. Using structural equation modelling with bootstrapping analysis, data from a sample of 1,052 tax payers, drawn...

Author(s): Richard Oduro, Michael Amoh Asiedu and George Tackie  

June 2018

African Journal of Business Management
Does sustainability foster the cost of equity reduction? The relationship between corporate social responsibility (CSR) and riskiness worldwide

The relationship between sustainable practices and a firm’s financial performance is an open debate among academics, managers and investors worldwide. Despite large literature in the field of corporate social responsibility (CSR) and corporate financial performance (CFP), there is still a lack of unanimous consensus around the impact of sustainability on a firm’s economic achievements. This study aims to...

Author(s): Antonio Salvi, Felice Petruzzella and Anastasia Giakoumelou  

June 2018

African Journal of Business Management
Innovation team composition: The enabling role of the individual emotive outlook

Despite increased attention to innovation teams in the workplace, composition criteria for implementation success remain unclear. This paper aims to provide a multi-disciplinary perspective on the psychological characteristics of innovation team members. This pragmatic, mixed-method convergent parallel design study examines and compares the emotive outlook profiles and patterns of successful and unsuccessful innovation...

Author(s): Christina Swart-Opperman and Kurt April

June 2018

African Journal of Business Management
Realizing energy management practices as a competitive strategy among manufacturing firms in Kenya: An alternative outlook

The Kenya’s Energy Management Regulations (2012) spells out a raft of actions that consumers of electricity and petroleum products can implement so as to enhance energy efficiency, reduction of energy costs and creation of surplus for distribution. However, few manufacturing companies have carried out implementation. The regulations create avenues for enforcements and promotion of energy management practices...

Author(s): Kiptum Henry Yatich  

June 2018

African Journal of Agricultural Research
Benefits of grass-legume inter-cropping in livestock systems

Legumes (Fabaceae) are plants with the distinct ability to fix atmospheric nitrogen, the atmospheric nitrogen fixation by legumes is known as biological nitrogen fixation. Biological nitrogen fixation is the process whereby atmospheric nitrogen is reduced to ammonia in the presence of the enzyme nitrogenase. Nitrogen fixation in legumes starts with the formation of nodules. Inside the nodules, nitrogen fixation done by...

Author(s): Unathi Gulwa, Nobulungisa Mgujulwa and Solomon T. Beyene

June 2018

African Journal of Agricultural Research
In support of a well-planned intercropping systems in south eastern soils of Nigeria: A review

Soil is the medium for all crop production activities and many of the tropical soils especially soils of South Eastern Nigeria show nutrient deficiency problems after only a short period of cultivation because of the fragile nature and prevailing environmental condition. Land available for further crop production purposes in this area is very limited. To offset some of these problems and boast crop production and yields...

Author(s): Nweke I. A.  

June 2018

African Journal of Agricultural Research
Adaptability and genotype-environment interaction of finger millet (Eleusine coracana (L.) Gaertn) varieties in North Eastern Ethiopia

An experiment was conducted to study the adaptability and genotype × environment interaction of finger millet varieties in the north eastern part of Ethiopia. Eight finger millet varieties and a local check were tested at Sirinka, Kobo, and Jari in 2013 and 2014 cropping season. The experiment was laid out in a randomized complete block (RCB) design with three replicates. The result showed that the year 2013 was...

Author(s): Mulugeta Mamo, Fisseha Worede, Yemata Bezie, Solomon Assefa and Tsegaye Gebremariam  

June 2018

African Journal of Agricultural Research
Characteristics of three morphotypes of Solenostemon rotundifolius [(Poir.) J. K. Morton] based on qualitative morphological traits

Solenostemon rotundifolius [(Poir.) J. K. Morton] (Lamiaceae) is commonly called Fabirama, Frafra potato or Innala. It is a tuber crop cultivated in many countries in Africa and Asia. Its tubers contain significant rate of carbohydrates, proteins, fibers, vitamins and antioxidants. Besides its nutritional attributes, S. rotundifolius has also strong agronomic and economic potentialities and could be financially...

Author(s): Romaric, K. Nanema, Pauline Bationo-Kando, Mahamadi Hamed Ouedraogo, Nerbewendé Sawadogo, Daniel Nyadanu, Aminata Hamidou, Renan Ernest Traore, Zakaria Kiebre, Mahamadou Sawadogo and Jean-Didier Zongo  

Page 4 of 1128, showing 50 records out of 56374 total, starting on record 151, ending on 200