Articles
Page 2 of 1176, showing 50 records out of 58782 total, starting on record 51, ending on 100
January, 2020
Journal of Medicinal Plants Research
Advances in the research of Adenanthera pavonina: From traditional use to intellectual property
Adenanthera pavonina, an Asian native leguminous, is a well known highly used plant in traditional medicine. Such broad herbal medicine applications motivated several researchers to study its chemical composition, mainly of its leaves, seeds, and barks, besides the pharmacological effects aiming to demonstrate scientific evidence of its empirical uses. Most studies have been conducted with plant derivatives, and more...
January 2020
African Journal of Microbiology Research
Studies on optimization of L-glutaminase production under submerged fermentation from marine Bacillus subtilis JK-79
In the current study, a marine strain Bacillus subtilis JK-79 capable of producing L-glutaminase enzyme, was analyzed for maximal L-glutaminase production. The Plackett-Burman design (PBD) was applied to determine the significant variables. Optimum conditions of the significant variables on L-glutaminase production were determined by the Central Composite Design (CCD) of response surface methodology. Maximum...
January 2020
African Journal of Environmental Science and Technology
Evaluation of stream flow under land use land cover change: A case study of Chemoga Catchment, Abay Basin, Ethiopia
For human beings, land and water are vital. To enhance agricultural productivity and socio-economic development in the agricultural catchment, irrigation development is an important issue. The present study aims to evaluate the stream flow under land use land cover (LULC) change for surface irrigation in Chemoga catchment part of Abay River Basin. To accomplish the objectives of this study, the watershed model SWAT...
January-March 2020
Journal of Entomology and Nematology
Effect of integrating entomopathogenic fungi and botanical extracts against Russian wheat aphid, Diuraphis noxia Mordvilko (Hemiptera: Aphididae) in West Showa, Ethiopia
Ethiopia is the only country in Sub-Saharan Africa where smallholder wheat production meets more than 70% of the national consumption demand. Russian wheat aphid (RWA; Diuraphis noxia (Mordvilko) (Hemiptera: Aphididae) is one of the major insect pests of wheat throughout the world including in Ethiopia. Wheat yield loss due to RWA damage in Ethiopia was estimated to be 70%. Therefore, the present study was carried...
January, 2020
African Journal of Agricultural Research
Expression profile of sex steroid hormone estrogen receptors (ERs) in the development of juvenile hybrid grouper (Epinephelus fuscoguttatus ♀ × Epinephelus polyphekadion ♂)
Recognized for its traditional roles, estrogen is ever-present in all vertebrates, regulates reproduction by binding and activating estrogen receptors (ERs), and also controls several functions of vertebrates, including reproductive immune, and central nervous systems. In order to access any other possible functions of the estrogen receptors in the development of the juvenile Hybrid grouper (Epinephelus fuscoguttatus...
January, 2020
African Journal of Agricultural Research
Evaluation of yield and yield components of low n maize (zea mays l.) varieties under low and high nitrogen conditions
Field studies were conducted at the teaching and research farm of the Osun State University Ejigbo Campus, Osun State, Nigeria, during the 2015 and 2016 cropping seasons to determine the agronomic performance of low N maize varieties under two nitrogen conditions (low and high). The aim of this experiment was to determine the response of low N maize to two levels of nitrogen fertilizer. Ten low N maize varieties were...
January-March 2020
Journal of Accounting and Taxation
Effect of executive compensation and share ownership on financial performance of listed deposit money banks in Nigeria
It has remained a paradox whether people will be motivated if they believe that strong effort will lead to good performance and good performance will lead to desired rewards. Studies in this area have reported conflicting findings. To this end, the study examines the effect of executive compensation and share ownership on financial performance of listed Deposit Money Banks in Nigeria. Executive compensation variables...
January 2020
African Journal of Microbiology Research
Seroprevalence of contagious bovine pleuropneumonia and contagious caprine pleuropneumonia in the Middle-Belt of Nigeria
The aim of the study was to establish the seroprevalence of contagious bovine pleuropneumonia (CBPP) and contagious caprine pleuropneumonia (CCPP) among cattle and small ruminants received at abattoirs in Ilorin, Nigeria. A total of 643 blood samples were taken from 324 cattle and 319 sheep and goats. These samples were screened for CBPP and CCPP using rapid latex agglutination tests. The majority were from the north of...
January-March 2020
African Journal of Biochemistry Research
Prevalence of dyslipidemia in a Burkinabe military population
The objective of this study was to determine the prevalence of dyslipidemia in soldiers received at the laboratory of the Medical Center Camp General Aboubacar Sangoulé Lamizana (CMCGASL) for a medical visit. This is a prospective study of 224 military personnel assigned to peacekeeping missions outside Burkina Faso. The study was conducted over the period of September 2017 to November 2017. Included in the study...
January-March 2020
International Journal of English and Literature
Deconstructing postcolonial scopic regimes: The subversion of power imaginaries in the novels of Ngugi wa Thiong’o and Sony Labou Tansi
This paper examines the relationship between visuality, knowledge and power in the postcolonial African novel. With examples from selected texts of Ngugi wa Thiong’o and Sony Labou Tansi, it argues that visual culture, usually employed in the analysis of cultural images and material iconographies in media studies, can aptly be employed in textual analysis given that postcolonial novels are primarily engaged with...
July-December 2019
International Journal of Genetics and Molecular Biology
Characterisation of three morphotypes of Solenostemon rotundifolius [(Poir.) J. K. Morton] cultivated in Burkina Faso using quantitative traits
Evaluation of intra specific variability is a key step toward conservation and sustainable use of species. This study was carried out to describe the morphotypes of Solenostemon rotundifolius (Lamiaceae) based on quantitative traits. Three accessions (E02, E35 and E20), representing the morphotypes “A”, “B” and “C” were characterised in Randomised Complete Block Design with three...
July-December 2019
International Journal of Genetics and Molecular Biology
Primary morphological characterization of West African dwarf (Djallonké) ewes from Côte d’Ivoire based on qualitative and quantitative traits
Phenotypic characterization is used to identify and document diversity within and between distinct breeds, based on their observable attributes. Study to assess the body characteristics and variability of 204 Djallonké (West African dwarf) ewes was conducted in three agro-ecological zones (central, western and northern) of Côte d’Ivoire, from November 2016 to April 2017. Animals were described using...
October-December 2019
Journal of Geography and Regional Planning
Planning: The town planners’ perspective
The concept of planning has been a subject of territorial debates amidst various disciplines and at all conclusions; everyone is a planner in his/her own right. It is against this background of oversimplification that this study attempts to explore the various meaning and scope of planning both from the general percept and town planners’ viewpoint. It relates the discus to Nigeria environment where the requisites,...
October-December 2019
Journal of Geography and Regional Planning
Urban land use planning and its effects on the provision of public sanitation facilities in the Wa Municipality, Ghana
This study has investigated the implications of land use planning on the provision and management of public sanitation facilities in the Wa Municipality, using three zones (Zone 1-Jangbeyiri and Suriyiri; Zone 2-Kpaguri; Zone 3-Mangu) of different land use and socioeconomic characteristics. A mixed method approach was utilized. Field surveys including 374 respondents, key informant interviews, and spatial planning...
December 2019
African Journal of Environmental Science and Technology
Characterization of the development and productivity of Jatropha curcas L. plants according to provenance and tillage in Bargny, Senegal
Among the crops that can potentially be used to provide the raw material needed for liquid biofuel production Jatropha curcas L. is the one that generates most interest in many development projects. The aim of this study is to evaluate the production and development of 3-year-old J. curcas L. seedlings in 2012. The results showed that after three years of planting, subsoiling and provenance have no effect on growth...
December 2019
African Journal of Environmental Science and Technology
Spatial patterns of climatic variability and water budget over Sudan Savannah Region of Nigeria
The study examined the effect of climatic variability on climatic water balance over Sudan Savannah, Nigeria. Temperature and Rainfall data were collected for the period 1943-2012 from the Nigerian Meteorological Agency. The data were divided into two climatic years 1943-1977 and 1978-2012. On the whole, rainfall amount decreased from a very high mean value of 981.5 mm in Yelwa (Lat. 10.88 N; Long. 4.75 E) to a very low...
December 2019
African Journal of Environmental Science and Technology
Future evolution of surface temperature extremes and the potential impacts on the human health in Senegal
Climate change impacts negatively vulnerable regions such as West African countries like Senegal, through an increase of climate extremes. The objectives of this study is to analyze the future evolution of the extreme temperature events and their impacts on human health in Senegal during the cold (DJF), hot (MAM) and wet seasons (JAS) under the greenhouse gas scenarios RCP4.5 and RCP8.5 using Climate projections of five...
December, 2019
Journal of Medicinal Plants Research
Recent advances in analytical approaches for the standardization and quality of polyphenols of propolis
Analytical approaches utilized for the characterization of polyphenols from propolis useful for the determination of its quality is investigated in this study. A qualitative and quantitative evaluation of propolis bioactive molecules is of interest in medicine and nutraceuticals. Recent powerful analytical techniques are of great utility to separate and quantify polyphenols in extracts and finished products due to their...
December, 2019
Journal of Medicinal Plants Research
In vitro and in vivo antimalarial activity of Nigella sativa L. extracts
The Arabs, Asians and, Traditional Health Practitioners in Mombasa county found in Kenya have been using Nigella sativa L. seeds to traditionally manage malaria associated symptoms that is, headache, fever, chills, loss of appetite among others. The present study investigated in vitro antiplasmodial, in vivo antimalarial activities and safety of different extracts of N. sativa. Five extracts obtained via aqueous...
December, 2019
Journal of Medicinal Plants Research
Preliminary study to identify anti-sickle cell plants in Niger's traditional pharmacopoeia and their phytochemicals
The management of sickle cell disease is a major challenge at the international level. In many African countries, sickle cell anemia is one of the major causes of mortality and is a critical public health problem in Niger. In this part of the continent, the estimated prevalence is around 18 to 22%, which is amongst the highest in Africa. Nowadays, despite the existence of some ways to improve the prognosis of sickle...
December 2019
Journal of Agricultural Extension and Rural Development
Economic valuation of Nile Tilapia (Oreochromis niloticus) in Lake Hawassa, Southern Ethiopia
The purpose of this study is to investigate the economic value of fish (Nile Tilapia) in Lake Hawassa and determine the factors affecting the households’ willingness to pay for a quality improved fish product. The survey was conducted through face-to-face interview of 467 households consuming fish caught from the lake. The respondents were aware on the poor quality of the fish due to domestic and industrial...
December 2019
Journal of Agricultural Extension and Rural Development
Factors determining crop farmers’ willingness to pay for agricultural extension services in Tanzania: A case of Mpwapwa and Mvomero Districts
This study assessed crop farmers’ willingness to pay for AESs and identified factors influencing their willingness to pay for AESs. Data were collected from 292 randomly selected crop farmers’ households between December 2017 and February 2018 using a questionnaire through face-to-face interviews. Data were analyzed using frequency counts, percentages and Tobit regression model. The study found that 92% of...
December 2019
Educational Research and Reviews
A study on the effects of self-regulation skills education program on self-regulation skills of
six-year-old children
This study was conducted to investigate the effect of a Self-Regulation Skills Education Program on self-regulation skills of six-year-old children. The nonequivalent control group was used in the study. The study group consists of 40 children. “General Information Form” and “Preschool Self-Regulation Assessment (PSRA)”were used as data collection tools. It was determined as a result of the study...
July-December 2019
International Journal of Genetics and Molecular Biology
Assessment of radio-sensitivity for three cowpea genotypes to gamma irradiation
Cowpea (Vigna unguiculata [L.] Walp) is an important food legume. However, production is limited by various biotic and abiotic constraints in sub-Saharan Africa and reduced genetic variability hinders crop improvement efforts. Gamma ray irradiation has been used as a mutagen to create variability but optimal dose determination is a prerequisite to maximize the recovery of mutant plants. In this study, three genotypes...
December 2019
African Journal of Environmental Science and Technology
Assessment of hydrological pathway and water quality of the songor wetland, Ghana
Wetlands regulate sediment accumulation, minimize pollution load and act as a buffer against coastal erosion. However, the overflow of seawaters into closed lagoons and wetlands could cause an excessive build-up of solutes through evaporation and could threaten the health of the aquatic life. This study examined hydrological regime, water quality and spatial distribution of flora within the Songor Wetland, Ghana using...
July-December 2019
International Journal of Genetics and Molecular Biology
Coexistence between (TOHO-type and BES-type) extended-spectrum β-lactamase genes of identified enterobacteria at Saint Camille Hospital, Ouagadougou, West Africa
Coexistence between the TOHO-type and Brazilian extended-spectrum (BES)-type of extended-spectrum β-lactamase (ESBL)-produced by bacteria caused public health issue. Several studies have been reported on the coexistence between blaTEM, blaCTX-M and blaSHV genes in ESBL in broad spectrum enterobacteria. The present study involved the prevalence of coexistence of blaTOHO and blaBES genes in enterobacteria identified...
December 2019
Educational Research and Reviews
Teachers’ pedagogical competence as determinants of students’ attitude towards basic science in South
West Nigeria
This study investigated teachers’ pedagogical competence as determinant of students’ attitude towards Basic Science in South-West Nigeria. The study was a descriptive survey type study. Participants were 2160 students randomly selected from 108 secondary schools across four States in South- west Nigeria together. 324 teachers teaching Basic Science in Junior Secondary Schools were purposively selected for...
December 2019
African Journal of Environmental Science and Technology
Active and passive air quality bio-monitoring in the tropics: Intra-urban and seasonal variation in atmospheric particles estimated by leaf saturated isothermal remanent magnetisation of Ficus benjamina L (Moraceae)
Atmospheric pollutant emissions are likely to increase continously in developing cities like Abidjan (Ivory Coast) where air quality strategies are ineffective or not yet implemented. This could result in a big risk to human health. Local meteorological parameters can have both positive or negative effect on habitat quality depending on the biomonitoring approach used. This study investigates the sources and factors...
December, 2019
African Journal of Cellular Pathology
Assessment of the effect of post-natal lead exposure on the hippocampus of developing Wistar rats
This study examined the effect of post-natal lead exposure on the hippocampus of developing Wistar rats. Nine pregnant Wistar rats were randomly distributed into three groups of three rats each, consisting of a control Group 1 which received distilled water and experimental Groups 2 and 3 orally administered with 60 and 90 mg/kg bwt of lead acetate, respectively. The pups of the experimental Groups 2 and 3 were exposed...
October-December 2019
International Journal of Nursing and Midwifery
Women’s perception of male involvement during pregnancy and labour in University College
Hospital, Ibadan
In Nigeria, male involvement practice is almost a mirage in term of labour and delivery support among women. In spite, of it help at reducing complications. The aim of the study is to assess perception of different tribes towards male involvement during pregnancy and labour, the educated, non educated, employed, unemployed and perceived barriers respectively. A descriptive cross-sectional research design was employed....
December 2019
Journal of Dryland Agriculture
Yield variability of Irish potato (Solanum tuberosum L.) as affected by cultivars and sowing date in the Sudan Savanna Zone of Nigeria
Field experiments were conducted in the Sudan Savannah Zone of Nigeria during the 2015/2016 dry season. The Research Farm of Audu Bako Collage of Agriculture, Danbatta (12° 44′ N and 8° 51′ E) and Federal College of Education Technical, Bichi (12°24′N and 8.24′E) represented the two locations. Subjects of interest were to determine the effect of variety and sowing date on yield of...
December 2019
Journal of Agricultural Extension and Rural Development
Assessment on rural poultry production and marketing system of Horro chicken ecotypes in Western Ethiopia
A cross-sectional study was conducted to assess production and marketing system of Horro chicken ecotypes, and to determine poultry health and marketing constraints across different agro-ecologies of western Ethiopia. A total of 360 householders were interviewed for the survey in Horro area (western Ethiopia) where the Horro chicken ecotypes are mainly found; the sample size was determined using proportionate sampling...
October-December 2019
Journal of Public Health and Epidemiology
Unmatchability of mobile phone and handlebar: Predictors among professional motorcyclists at Cotonou (Benin)
In Benin, professional motorcyclists represent a consistent part of transport services, particularly in the city of Cotonou. However, this activity remains poorly regulated, which contributes to the development of risky behaviors. Among these latter, there is not enough evidence about the use of mobile phones while driving. The study aims to estimate the prevalence of mobile phone use while driving and to identify the...
July-December 2019
African Journal of Bacteriology Research
Genetic diversity and resistance profile of mycobacterial strains isolated in Senegal
Tuberculosis remains a major public health problem in Senegal. The aim of this study was to determine the resistance and molecular profiles of mycobacterial strains isolated over a four-year period in Senegal. Mycobacterial isolates worked on were obtained at the National Reference Laboratory of the National Antituberculosis Program (NAP) in Senegal. These strains were cultured on Lowenstein-Jensen (LJ) medium or on LJ...
December 2019
African Journal of Biotechnology
Effect of ethanolic leaf extract of Vinca major L. on biochemical parameters and glucose level of alloxan induced diabetic rats
In view of World Health Organization (WHO) recommendation on the use of medicinal plants for the management of diabetes mellitus, this study evaluated the effect of ethanolic leaf extract of Vinca major L. on biochemical parameters and glucose level of alloxan induced diabetic rats as objective. Sixty-four male Wistar albino rats were induced with diabetes by a single intraperitoneal injection and were separated into...
December 2019
African Journal of Microbiology Research
Assessment of bacteriological quality of water sources from an agrarian settlement in South-East Nigeria
This study assessed the bacteriological quality of groundwater, rainwater and surface water sourced from an agrarian settlement in South-eastern Nigeria. Agamede, Amede, Ihenyi, Mgbuji and Umuhu communities in Eha-Amufu served as sampling locations. Samples were sourced from River Ebenyi, hand-dug wells and rooftop harvested rainwater. Bacterial isolation, identification and enumeration followed standard methods....
July-December 2019
Journal of Environmental Chemistry and Ecotoxicology
The impact of household and similar solid wastes on Kara River quality due to their potential to release nitrogen
This study purpose to assess the real share of nitrogen the household and similar solid wastes can release in direct contact with water. The maximum amount of nitrogen could release was determined by a leaching test. The concentrations of total and organic nitrogen, ammonium and nitrates ions and the pH values were measured in the initial and incubated juices. The leaching test showed that the solid waste can release...
July-December 2019
Journal of Geology and Mining Research
Structure and tectonics of Hong Hills in Hawal Precambrian Basement Complex, North East Nigeria
The tectonics and impact of the Pan-African orogeny on the Hong Hills area of North Eastern Nigeria has been unraveled. This work basically used structural identification and tectonic inference to decipher the deformation episodes in this region. The results show that this area was subjected to multiple episodes of deformation and there were evidence of reworking of older structures by younger ones. Foliation, folds and...
December 2019
Educational Research and Reviews
The influence of age and gender on class attendance plus the academic achievement of undergraduate Chemistry Education students at University of Calabar
This article investigated the influence of age and gender on class attendance as well as Chemistry Education students’ academic achievement in SED 281, at the University of Calabar. Descriptive survey research design was employed for the study. The target population was two hundred and twenty Chemistry Education students in the Department of Science Education, University of Calabar. A sample size of sixty-four...
December 2019
African Journal of Food Science
Effect of coagulants on the physicochemical properties of fresh tofu
Soy flour from soybean was processed to produce fresh tofu using three coagulants namely lime, Epson salt and tamarind. The results obtained showed that the pH of the samples were 7.20 for Epson salt, 5.00 for lime and 5.50 for tamarind. There were significant differences (p< 0.05) in the weight increase of all the samples with Epson salt (46.62 kg) as the highest. Epson salt had the least coagulation time of 6 min....
December, 2019
African Journal of Pharmacy and Pharmacology
Anti-inflammatory and analgesic activities of extracts from Balanites aegyptiaca L. Delile (Balanitaceae) root bark: Plant used against liver diseases in Bukina Faso
Balanites aegyptiaca (L.) Del has been used in various traditional medicines against inflammation and pain. The aim of this study was to evaluate the enzymatic, anti-oedmeatous and analgesic activities of ethanolic and aqueous extracts of Balanites aegyptiaca (L.) Del root bark in mice. The extracts were tested in vitro for their ability to inhibit the enzymes cyclooxygenase (COX)-1 and COX-2, 15-lipoxygenase (LOX) and...
December, 2019
African Journal of Pharmacy and Pharmacology
Therapeutic effectiveness assessment of antiviral drugs used in chronic hepatitis treatment in three Ivorian university hospitals
This work aims to evaluate the effectiveness of drugs used for the management of chronic viral hepatitis in the three major university hospitals in Abidjan. This is a retrospective cross-sectional descriptive study of 203 patients investigated for treatment protocols, patient parameters before and after treatment. It emerged that treatment with pegylated Interferon alpha 2a resulted in a significant decrease in viremia...
December 2019
African Journal of Medical and Health Sciences
Perineo-genital injury secondary to sexual assault in a 3-month old female
Traumatic injuries to the perineum and external genitalia in children may be accidental, self-inflicted or the result of assault. Sexual assaults account for majority of the injuries in developed countries while accidental injuries occur more in underdeveloped and developing countries. The injuries may be isolated or associated with trauma to other areas of the body. Perineal injuries constitute 0.2% of the...
December, 2019
African Journal of Agricultural Research
Molecular characterization of some brinjal genotypes (Solanum melongena L) using simple sequence repeat (SSR) markers
To analyze genetic variability of 48 brinjal genotypes by Simple Sequence Repeat (SSR) markers, four primers named smSSR01, smSSR03, smSSR11 and smSSR14 were selected for analyze the data. Four primers generated clear bands and a total of 44 alleles were detected among the 48 brinjal genotypes (9.0 to 14.0 alleles per locus with a mean of 11.0 alleles per locus). According to Nei’s (1973), the highest level of...
December, 2019
African Journal of Agricultural Research
Milk production, marketing practices and qualities along milk supply chains of Haramaya District, Ethiopia
A study was conducted with the aim of evaluating the physicochemical properties and microbial qualities of raw cow’s milk along the milk supply chain in Haramaya district. A total of 123 smallholder dairy producers, one dairy cooperative, 3 milk collectors, 6 milk retailers, 8 selling points and 18 consumers were interviewed using a semi-structured questionnaire. Sixty raw milk samples were used for...
December, 2019
African Journal of Agricultural Research
Evaluation of cocoa mirid (Distantiella theobroma Dist. and Sahlbergella singularis Hagl.) control practices in Côte d’Ivoire
Rapid pod damage evaluations were performed in four cocoa producing regions in Côte d’Ivoire to assess the severity and regional variability of the mirid pest problem. We further tested the impact of three insecticide products at two different dosages, applied at two different periods on cocoa pod production and mirid infestation on sixty cocoa farms. It was found that in Côte d’Ivoire, cocoa...
December, 2019
African Journal of Agricultural Research
Appropriate fertilizer (NPK) rates for cassava (Manihot esculenta Crantz) production in the humid forest agro-ecological zone of Cameroon
The objective of this study was to test for appropriate quantity of fertilizer (NPK 12-11-18) required to boost the production of cassava (variety TME 419) in the forest zone of Cameroon. The trial was conducted at the experimental farm of the Institute of Agricultural Research for Development (IRAD) in Mbalmayo. The experimental design was completely randomized block design in three replicates. The treatments were as...
December, 2019
African Journal of Agricultural Research
Effects of fungicide treatments against Anthracnose in Calabrian (southern Italy) Olive Orchards during
2014-2015
In recent years, severe natural olive anthracnose infections have been observed in orchards of Southern and Central Italy, favoured by mild and rainy seasonal trends, making disease control with the sole use of copper fungicides difficult. Besides, European restrictions in the use of copper compounds for eco-toxicological aspects have forced researchers towards the use of available plant protection products. Thus, 2...
December 2019
Journal of Development and Agricultural Economics
Logistic regression analysis on factors influencing income-poverty among smallholder French bean farmers in Kirinyaga County, Kenya
The study determined factors affecting income-poverty among French bean farmers in Kirinyaga County, Kenya. Results show that 72.6% of French bean farmers were poor. Relative to the poor households, non-poor had the highest net French bean income per acre (KES. 24,133), total net crop income (KES. 150,608), total net livestock income (KES. 21,674), and off-farm income (KES. 198,070). Aversion to risks (p=0.051 and...
July-December 2019
Journal of Civil Engineering and Construction Technology
Reliability assessment of progressive failure of a low rise framed building on weak
soil-foundation interaction
A 4-storey reinforced concrete framed buildings was modelled in 3-dimensional analysis with the same sections and loadings for both rigid and weak foundations respectively using ETABS and FORM5 Softwares in accordance with Euro code provisions. The weak foundation was initially analysed and designed as a fixed column-foundation joint and later re-analysed and redesigned as a hinged column-foundation joint. The ETABS...
Page 2 of 1176, showing 50 records out of 58782 total, starting on record 51, ending on 100
