Articles
Page 1 of 1217, showing 50 records out of 60850 total, starting on record 1, ending on 50
June 2021
African Journal of Microbiology Research
Shelf stability of processed cocoyam flour during storage at room temperature (28.0 ± 2°C) for a period of four months
The shelf life study of dry milled cocoyam flour packaged in low density polyethylene was carried out for a period of 4-month. Microbiological, nutritional, physicochemical quality characteristics and aflatoxin content were evaluated. The total viable bacterial counts ranged from 1.6×103 - 4.8×105 cfu/g while the total viable fungal count increased from 5.0 × 101 - 3.8 × 105 sfu/g. The...
June 2021
Educational Research and Reviews
Mathematics anxiety, attitude and performance among secondary school students in Kenya
Mathematics anxiety and attitude have a great influence on mathematics performance. This article presents an analysis of the relationship between Mathematics anxiety, attitude and performance. The study adopted a correlational research design. The analysis is based on the responses of 367 students who were randomly selected from 55 secondary schools. An adapted Mathematics Anxiety Scale (MAS) and Attitude towards...
June 2021
African Journal of Food Science
Effects of processing on nutrient composition in
guava- and jackfruit-based snacks
Guava and jackfruit are popular fruits in East Africa. With consideration of the high post-harvest losses of these two fruits and only seasonal availability, this study aimed to produce nutrient rich fruit-based snacks to decrease this problem and make use of surplus fruits during on-season. Given the nutritional situation in East Africa, these products were also developed to have a high content of desired nutrients....
June 2021
African Journal of Microbiology Research
Monitoring of physicochemical and microbiological parameters during nonnonkoumou (artisanal curdled milk) production in Daloa, Côte d’Ivoire
This study aimed to study physicochemical and microbiological parameters during nonnonkoumou production. A total of 15 samples were analyzed during this study at a rate of 3 samples per fermentation time (T0 h, T6 h, T12 h, T18 h and T24 h). The physicochemical analyses showed a drop in pH (from 7.03 ± 0.028 to 4.59 ± 0.021) during the 24 h of fermentation. The titratable acidity increased from 0.30...
June 2021
African Journal of Microbiology Research
Molecular characterization of carbapenem resistant Gram-negative rods in Neonatal Intensive Care Unit of Mansoura University Children's Hospital
Carbapenems are group of extended-spectrum β-lactam antimicrobials frequently used for treating multidrug-resistant Gram-negative bacilli (GNB) infections. This study aimed at detecting and characterizing carbapenem resistance (CR) genes among GNB isolated from patients treated in neonatal intensive care unit (NICU) of Mansoura University Children's Hospital (MUCH), Egypt. It is a prospective study conducted...
June 2021
Journal of Medicinal Plants Research
Phytochemical properties and antimicrobial activity of Buchholzia coriacea and Psychotria microphylla leaf extracts on bacterial pathogens isolated from aquatic environments in Nigeria
The use of medicinal plants as alternative therapy for the treatment of microbial infections is significant in the maintenance of good health, especially in developing countries. The aim of this study was to determine the phytochemical composition and antimicrobial activity of Buchholzia coriacea and Psychotria microphylla leaf extracts on bacteria isolated from aquatic environments in Nigeria. Exactly 736 water samples...
June 2021
Journal of Medicinal Plants Research
Anti-bacterial activity of secondary metabolites from Chrysanthemum cinerariaefolium
This study evaluated antibacterial activity of Chrysanthemum cinerariaefolium (pyrethrum) flower dichloromethane crude extract, fractions and isolated compounds; pyrethrin II, jasmolin I and cinerolone against methicillin-resistant Staphylococcus aureus (MRSA), Pseudomonas aeruginosa, Staphylococcus aureus and Shigella sonnei. The isolated compounds were obtained by carrying out column chromatography on dichloromethane...
June 2021
International Journal of Medicine and Medical Sciences
Prevalence and risk factors of Hepatitis B virus infection among blood donors in Gabonese National Blood Transfusion Center: A cross-sectional and analytic study
Hepatitis B virus (HBV) infection is prevalent in Gabon and poses a potential risk of transmission by blood transfusion. However, few studies have examined epidemiological data regarding HBV infection of Gabonese blood donors. This article reports on research conducted to estimate the seroprevalence of HBV and associated risk factors in the urban population of Gabon. A cross-sectional and analytic study survey of blood...
June 2021
Journal of AIDS and HIV Research
Acute human immunodeficiency testing and linkage to Care: An evaluation of community-based 4th generation antigen/antibody testing
As a relatively novel testing algorithm, the experience with 4th generation HIV testing and linkage to care outcomes is limited. The purpose of this study is to report descriptive outcomes regarding patients with acute HIV infection who received antigen/antibody (Ag/Ab) reactive results and linkage to care services. HIV testing and linkage data from four AIDS Healthcare Foundation (AHF) Wellness Centers in Los Angeles...
June 2021
Educational Research and Reviews
The effectiveness of response to intervention (RTI) diagnostic program in diagnosing and improving the difficulties of reading and writing in a Jordanian sample
The study aims to investigate the impact of an educational program that was developed based on the response to intervention model for diagnosing and improving the difficulties of learning to read and write among a sample of students in Jordan. The number of the study participants was 60 male and female students, with learning difficulties in fourth, fifth, and sixth grades in government schools affiliated with the...
June 2021
Scientific Research and Essays
Effect of organic foliar sprays on yield of cluster bean (Cyamopsis tetragonoloba L. Taub) cv. Pusa Navbahar
This experiment was conducted during the year 2020-2021 in open field condition at three locations such as Madurai (Kalvelip-atti-L1), Ramnad (Thiruvarangam-L2) and Kunnathur (Peraiyur-L3) of Tamil Nadu, India to assess the effects of organic foliar sprays viz. Panchakavya, vermiwash and cow urine on yield and growth parameters of cluster bean ((Cyamopsis tetragonoloba (L.)Taub.) cv. Pusa Navbahar). Four treatments...
June 2021
Journal of Agricultural Extension and Rural Development
Factors influencing adoption of improved maize seed varieties among smallholder farmers in Kaduna State, Nigeria
This study ascertained factors influencing adoption of improved maize seed varieties in three local government areas of Kaduna State, North-central Nigeria. It collected cross-sectional data for a sample of 180 randomly selected farming households across three local government areas of the State in 2015/16. Both descriptive and inferential analyses were performed on the data. The descriptive statistics differentiated...
June 2021
Educational Research and Reviews
Students’ metaphoric perceptions regarding the concept of distance education during the pandemic
The aim of this study is to examine the views of students at different education levels on the concept of distance education through metaphors. In this study, the phenomenological design was used in accordance with the nature of qualitative research. The participants of the study, for whom the ethical rules were taken into account, consisted of 63 gifted students in total studying at primary and secondary school levels....
June 2021
African Journal of Medical and Health Sciences
Pain index and health-related quality of life in a Nigerian patient’s cohort with sickle cell anaemia
The severity of sickle cell anaemia (SCA) often causes painful episodes of vaso-occlussive crises and affects quality of life. Poor health-related quality of life (HRQoL) associated with sickle cell disease has been established. The study aim was to determine the relationship between pain index and HRQoL in Nigerian patients with SCA. The study was a cross-sectional survey of SCA individuals. Data collection was done...
June 2021
African Journal of Biotechnology
Effect of VIUSID-Agro™ on the conversion of somatic embryos of coffee (Coffea arabica L.) cv. Red Caturra rojo-884
A critical factor in the in vitro propagation protocol via somatic embryogenesis of coffee is the survival and growth of plants under ex vitro conditions. The objective of this work was to determine the effect of VIUSID Agro™ during the conversion of somatic embryos of coffee cv. Red Caturra rojo-884 in semi-controlled culture conditions. Two solutions (0.5 and 0.8 mL L-1) of the biostimulant were evaluated on in...
June 2021
African Journal of Agricultural Research
Importance and diversity of Mycorrhizae under plantain cultivation in the slash-and-burn and non-burn cropping systems in the forest region of Kisangani, Tshopo Province, D.R. Congo
Mycorrhization is known to have beneficial effects on growth vigour and protection against certain pathogens in several plant species including plantains, which has so far been little studied in the Kisangani forest region. This study aimed to determine the importance and biodiversity of mycorrhizae under plantains in the slash-and-burn and non-burn cropping systems. This research was carried out in two experimental...
June 2021
African Journal of Agricultural Research
Mealybugs on fruit crops in the Sao Franciso Valley, Brazil
Mealybugs are agricultural pests occurring all over the world. The Sao Francisco Valley is one of the most productive regions regarding the cultivation of fruit crops in Brazil, demanding a proper phytosanitary management that can be obtained through the biological control of pests. Fortnight samples of mealybugs associated with roots, trunk, leaves and fruits of grapevines, pear, apple, persimmon, guava and Barbados...
June 2021
Journal of Horticulture and Forestry
Physiological quality of African eggplant seeds as influenced by natural fermentation and drying methods
Seed extraction and drying methods are important procedures employed after harvesting fruits of African eggplant as these methods affect the seed quality. This study sought to evaluate the seed physiological quality of two cultivars of African eggplant subjected to various durations of natural fermentation and different drying methods. In the first study, fruits were fermented for 0, 6, 12, 24 and 48 h before seed...
June 2021
International Journal of Fisheries and Aquaculture
Occupational hazards, risk and injuries of fish processors in Tombo a coastal fish landing site, Sierra Leone, West Africa
Fish and fish products bear potential hazards and risks of public health concern. A preliminary study of hazards, injuries and risks among fisherfolk in Tombo, Sierra Leone, West Africa was carried out on November 2018. Sixty subjects from among the organized fish processor groups were interviewed with semi-structured questionnaire. Results obtained from the study were analyzed with Microsoft Excel and presented in...
June 2021
International Journal of Fisheries and Aquaculture
Water hardness does not influence iodine-induced mortality of rainbow trout eyed eggs
To evaluate the effects of water hardness on survival to hatch of eyed rainbow trout Oncorhynchus mykiss eggs during iodophor disinfection, hard (300 mg/L CaCl2) and soft water (20 mg/L CaCl2) solutions were used in combination with iodophor treatments of 0, 100, 200, 400, 800, and 1600 mg/L. Water hardness did not significantly influence egg survival-to-hatch. In addition, there was no significant interaction between...
June 2021
Journal of Medicinal Plants Research
In-vivo anti-inflammatory activity of different parts of Adansonia Digitata
The aim of the study is to investigate the anti-inflammatory property of the different parts of Adansonia digitata (Malvaceae) extracts. A. digitata is an important medicinal plant to West Africa including Ghana. The plant is used effectively in folk medicine to treat inflammatory diseases such as joint disorders, asthma, toothache and painful swelling. Carrageenan-induced pedal oedema in 7-day old chicks was was the...
June 2021
African Journal of Agricultural Research
Amount of nitrogen and phosphorus fertilizer required to optimize growth and yield of rice
Soil nutrient management is an important factor in plant growth for increased crop production and productivity in Sub-Saharan Africa whose food demand is over the threshold. Rice production in Uganda is still very low with current yield less than 2.5 ton ha-1. The impressive production increase is mainly on to farmer area expansion. A fertilizer trial was established to determine a New Rice for Africa (NERICA) 4 variety...
June 2021
African Journal of Environmental Science and Technology
Determination of the optimum tilt angle for photovoltaic modules in Senegal
This paper deals with finding the optimum tilt angle of solar panels for solar energy applications. The objective is to maximize the output electrical energy of the photovoltaic (PV) modules. A mathematical model was used to determine the optimum tilt angle of solar collectors in Senegal on a daily and monthly basis, as well as for a specific period. Then, the configuration of the optimum tilt angle was analyzed by...
June 2021
Journal of Civil Engineering and Construction Technology
Potential use and benefits of automation for traffic control in roadway construction
This paper addresses the impact of using automated flagging devices in road construction instead of using construction workers. To examine the efficacy of automating this construction activity, a group of drivers with diverse characteristics/demographics was involved in the study. The diverse characteristics included gender, age, years of driving experience, and level of formal education (e.g., high school, college, and...
June 2021
African Journal of Microbiology Research
Substitution of non-biodegradable plastic food packagings by ecological food packagings at Abomey-Calavi University (Benin): State of place and microbiological quality of packagings
Challenging with environmental problems and health due to non-biodegradable plastic wastes, Abomey-Calavi university heads have banned the use of any Non-biodegradable Plastic Food Packagings (NPFP) on all campuses. This study aimed to verify the effective implementation of this decision and assess the microbiological quality of ecological primary food packagings used in Abomey-Calavi campus. To achieve the...
June 2021
Journal of Land Management and Appraisal
Soil survey and fertility assessment and mapping of Argo-Gedilala subwatershed in Dugda district, central rift valley of Ethiopia
Detailed study on soil fertility assessment based on the understanding of the soil system are not available for the most part of Ethiopia. With the cognizance of this fact, the present study was conducted to assess the soil fertility status and to prepare the fertility map of Argo-Gedilala Sub watershed in Dugda District, Central Rift Valley of Ethiopia. Eighteen composite soil samples (0-20cm depth) were taken for...
June 2021
Journal of Dryland Agriculture
Screening for drought tolerance in cotton (Gossypium hirsutum L.) using in vitro technique
Drought is an important abiotic factor that is affecting crop production worldwide. Cotton (Gossypium hirsutum L.) is an important fibre affected by drought. Identifying cotton lines that are drought tolerant is crucial for breeding for drought tolerance in cotton, hence this experiment was undertaken to evaluate 12 lines of cotton for drought...
June 2021
Journal of Dryland Agriculture
Agronomic and economic evaluation of nitrogen fertilizers types and levels on bread wheat (Triticum Aestivum L.) in the vertisols of northern highlands of Ethiopia
Optimum nitrogen fertilization from the right source is the most important production factors for higher grain yield of wheat. Study to investigate the effect of type and rate of Nitrogen fertilizer on yield of bread Wheat was conducted in Ofla and Endamehoni districts of northern Ethiopia in 2017 and 2018 main cropping season. The treatments consists four levels of different sources of nitrogen fertilizer (Prilled...
June 2021
African Journal of Microbiology Research
Distribution patterns of Vibrionaceae abundance on the landing stages in coastal area: Understanding the influence of physicochemical variables by using multiple linear regression models and corrgram for matrix correlation
The present work used multiple linear regression (MLR) models and corrgram to assess the importance of environmental parameters on diversity and abundance dynamics of Vibrio sp. in waters of few landing stages in the city of Douala (Cameroon). It was recorded in all the five selected stations, the presence of four species of Vibrio namely, Vibrio parahaemolyticus, Vibrio cholerae, Vibrio fluvialis and Vibrio...
June 2021
African Journal of Environmental Science and Technology
Diversity of arbuscular mycorrhizal fungi associated to Sorghum (Sorghum bicolor L. Moench) in soils of Sikasso region (Mali)
In Mali, studies on arbuscular mycorrhizal fungi (AMF) characterization and diversity are still few, despite the important roles played by these microorganisms in plant growth and in degraded soils restoration. Sorghum is one of the staple food grains in Mali and as such plays a key role in food security in Mali. This study aims to determine diversity of AMF strains associated to sorghum in Sikasso region soils in Mali....
June 2021
African Journal of Food Science
Phenotypic and genotypic characterization of lactic acid bacteria isolated from spontaneously fermented vegetable amaranth
Lactic acid bacteria (LAB) are Gram-positive, non-spore-forming, catalase-negative cocci or rod-shaped bacteria that produce lactic acid as a major fermentation product. They are also involved in the production of fermented foods. They have applications in industry and human health, such as food preservation and probiotics. The aim of this research was to isolate, characterize, and classify indigenous lactic acid...
June 2021
International Journal of Livestock Production
A Study on Morphological Characterization of Black Bengal Goat at three Villages under Bhaluka upazila in Mymensingh district of Bangladesh
The study was carried out in a community goat breeding program at three villages of Bhaluka upazila in Mymensingh district to characterize Black Bengal goat (BBG) by coat color phenotype and morphological body measurements. Data on coat color and body measurements were collected among 200 BBG populations along with different ages and sexes from three villages and analyzed statistically by SPSS 17.0. Among the studied...
June 2021
African Journal of Food Science
Improving shelf life of nectarine fruit (Prunus persica) by beeswax coating and cold storage application
This study was carried out to determine the effect of beeswax coating and cold storage condition on the shelf life of nectarine fruit. A total of 240 nectarine fruits were collected and divided into six treatments, each with 40 fruits. The treatments consisted of coated fruits stored at 6°C (T1), coated fruits stored at 1°C (T2), coated fruits stored at ambient temperature (T3), uncoated fruits stored at...
June 2021
Journal of Medicinal Plants Research
Indigenous knowledge of plant uses by the community of Batiaghata, Khulna, Bangladesh
Southwestern region of Bangladesh is very rich in floral diversity, and their diversified uses. An extensive survey was conducted to investigate ethnobotanical applications of botanical species by the community of Khulna, Bangladesh. We focused on plants and community relationships, identify the most important species used, determine the relative importance of the species surveyed and calculated the Fidelity level (FI)...
June 2021
Scientific Research and Essays
Phenotypic screening of multidrug-resistant E. coli from water and fish collected from different fish farms within Abakaliki metropolis, Nigeria
The aim of this study was to screen fish farm water and fishes reared in fish farms within Abakaliki metropolis for multi-drug resistant Escherichia coli. Exactly 30 fish samples and 30 water samples were obtained from 10 different fish farms using sterile bottles from January to June, 2018. Samples were analyzed by standard microbiology methods. Susceptibility test to antibiotics was done by Kirby-Bauer disc diffusion...
June 2021
African Journal of Environmental Science and Technology
CREST/EF5 capacity building to enhance resilience to hydrodynamic disasters in emerging regions
Water and water-related disasters, e.g. flooding, landslide and droughts, are affecting the world and it is important for decision makers and experts to build the capacity of forecasting hydrodynamic disasters and safeguarding people’s life and property. This study focuses on building capacity of decision makers and analysts with an aim to create and support a robust framework for decision makers in integrated...
June 2021
African Journal of Biotechnology
CRISPR/Cas genome editing: A frontier for transforming precision cassava breeding
Improved agricultural production of essential crops through advanced breeding is important for increasing access to nutritious food for the world's rapidly growing population, which is expected to reach 9.8 billion by 2050. Recent advancements in the clustered regularly interspaced short palindromic repeats/CRISPR-associated protein9 (CRISPR/Cas9) genome editing process, which uses single-guide RNA for genome...
June 2021
African Journal of Agricultural Research
Phenotypic evaluation of cassava genotypes (Manihot esculenta) under moisture stress
Food security continues to be affected by global climatic changes which include increase of drought stress. A sustainable solution is to develop crop cultivars that are tolerant to climatic stresses. Among all crops cassava has a high potential to mitigate hunger. A field experiment was conducted to evaluate the performance of 79 cassava (Manihot esculenta) varieties under drought stress. The parameters evaluated were...
June 2021
African Journal of Mathematics and Computer Science Research
Triple Shehu transform and its properties with applications
In the current paper, the concept of one-dimensional Shehu Transform have been generalized into three-dimensional Shehu Transform namely, Triple Shehu Transform (TRHT). Further, some main properties, several theorems and properties related to the TRHT have been established. Triple Shehu transform was used in solving fractional partial differential equations, with the fractional derivative described in Caputo sense. The...
June 2021
Journal of Plant Breeding and Crop Science
Phenotypic diversity study on chickpea (Cicer arietinum L.) genotypes managed under different soil fertility levels for Adzuki bean beetle (Callosobruchus chinensis L.) resistance in Ethiopia
Chickpea is one of the main annual crops in Ethiopia both in terms of its total cultivated area of pulses and its role in direct human consumption. The major problem to increase pulse production is the loss of seed viability and seeds damage from insect infestation particularly Adzuki bean beetle. Research works conducted on diversity study on chickpea varieties grown under different soil fertility levels were scanty....
June 2021
African Journal of Agricultural Research
Cultural heritage as a pathway for sustaining natural resources in the Maasai’s Pastoral Social-Ecological System in Kajiado County, Kenya
The Maasai pastoralists inhabiting Kajiado County are known for rearing large herds of animals. Livestock has enabled them to attain food and nutritional security. However, natural resources are dwindling fast under the swift development context. The private holding of land is becoming more prevalent in an area formally known for its communal land setup. The emerging land tenure systems have disregarded the traditional...
June 2021
African Journal of Pharmacy and Pharmacology
Prescription of antimalarials at Kisangani University Clinics, Democratic Republic of Congo
The objective of this study was to contribute to the improvement of medical prescription of antimalarials at Kisangani University Clinics. This a cross-sectional study with retrospective data collection, based on 200 medical prescriptions from patients aged 3 days to 80 years, treated for malaria from March to December 2019. The study took place between March and May, 2020. Sixty one percent of patients suffered from...
June 2021
African Journal of Pharmacy and Pharmacology
Antidiabetic effect of grape seed (OPC 95%) powder on nSTZ-induced type 2 diabetic model rats
Grape seeds (GSs) have been claimed for antidiabetic effects since long. Due to its rich phytochemical potential, current study was aimed to evaluate the antidiabetic effect of GSs powder (GSP) (OPC 95%) on neonatal streptozotocin (nSTZ) induced T2DM rats. STZ (90 mg/kg) was administered intraperitoneally in 48 h old rat pups. After 3 months, 24 T2DM rats were selected by OGTT for 28-days experiment and divided into...
May 2021
Educational Research and Reviews
Investigation of knowledge and usage levels of problem-solving strategies of prospective classroom teachers
Today, it is important how much individuals acquire knowledge and use this theoretical knowledge in their daily life. A qualified training program is expected to train individuals who can solve problems. The prospective classroom teachers, who are expected to train individuals who can solve problems, should also have knowledge about the problem-solving process and applying it to the problem situations that they face in...
May 2021
Educational Research and Reviews
Discourses in ICT integration: Pedagogical orientations in selected city primary schools in Uganda
This study sought to recognize the tricky keystones in the execution of the amalgamation of ICT usage during teaching and learning in Ugandan city primary schools in Kampala focusing on the cumbersomeness teachers face while employing modern ICT tools and pedagogical experiences. A mixed research design with compliments from questionnaires, interviews and classroom observations was employed in the study to obtain data...
May 2021
Educational Research and Reviews
The effect of phenomenon-based learning approach on students' metacognitive awareness
This study aims to determine the effect of learning activities conducted in accordance with the phenomenon-based learning approach on the metacognitive awareness level of students. Pre-test and post-test control group design of the experimental method was used. The application of the study was carried out in a sample of 60 students studying in the 7th grade of middle school in the 2019-2020 academic year. While...
May 2021
Journal of Dryland Agriculture
Effects of arbuscular mycorrhizal fungi on growth and phosphorus uptake of maize (Zea mays L.) at different levels of soil phosphorus and soil moisture
Studies have shown arbuscular mycorrhizal fungi (AMF) enhance phosphorus (P) uptake and drought tolerance in maize (Zea mays L.) grown in semiarid soils. However, little is known regarding the contribution of AMF to maize treated with different levels of phosphorus and grown in different soil moisture levels. This study was conducted to determine the effects of AMF (Glomus fasciculatum) inoculation on growth and P...
May 2021
African Journal of Medical and Health Sciences
Prevalence of diaper rash and associated factors among babies aged 0 to 24 months in Adama Administrative City, Central Ethiopia: A cross sectional study
The objective of this study was to assess the prevalence of diaper rash and identify associated factors with diaper rash among children between 0 and 24 months of age in Adama Ethiopia. A cross-sectional study was conducted with mothers using structured questionaries during face to face interview to assess risk factors associated with diaper rash. Data were analyzed using SPSS version 21 and Chi-square test was used to...
May 2021
African Journal of Biotechnology
Precise assessment of angular leaf spot severity using the Leaf Doctor app for common beans
Angular leaf spot (ALS) is one of the most severe diseases of common bean. However, there is as yet no standardization of the phenological stage, inoculum concentration, diagrammatic scale (DS), and day of assessment for screening ALS resistance in bean lines. The present study aimed to evaluate the potential for assessment of ALS severity in common beans using the Leaf Doctor app and inoculation at the V2 phenological...
May 2021
Journal of Parasitology and Vector Biology
Community implementation of human landing and non-human landing collection methods for Wuchereria bancrofti vectors
In the drive towards elimination of lymphatic filariasis, enhanced surveillance of vector mosquitoes requires sound sampling methods which can be easily implemented and accepted by communities. Several tools have been validated as alternatives to human landing catches (HLC) for this purpose, but little is known about their effectiveness compared to HLC in terms of the vector density patterns. This study aimed at...
Page 1 of 1217, showing 50 records out of 60850 total, starting on record 1, ending on 50
