Analyzing determinants shaping access to and perceptions of campus food banks in maritime university settings
February 2024
This research delves into the pervasive issue of food insecurity among university students, with a specific focus on Canada's Maritime Provinces. The study elucidates the intricate relationship between household food insecurity and critical factors that influence a student's academic performance, financial stability, and overall well-being. Additionally, it reveals a disconcerting underutilization of Campus Food...
Production of feed grade L-lysine using solid state fermentation for the Nigerian market
January 2024
L-Lysine, an essential amino acid crucial for both human and animal nutrition, serves as a valuable medicament and additive in animal feed. Nigeria annually imports significant quantities of L-lysine to support its animal feed industry. In developing countries like Nigeria, a viable biotechnological approach for L-lysine production involves solid-state fermentation. This method not only offers environmental advantages...
Endogenous knowledge and farming methods for Jatropha curcas L. in southern Chad
December 2023
To assess the level of knowledge of the farming population and the ecological importance of Jatropha curcas, ethnobotanical surveys were carried out among the local population in three villages in the province of Logone Oriental, namely Bébédjia, Miandoum and Komé. A total of 250 people of different sexes were surveyed. The results of these surveys showed the socio-economic importance of this...
Identification of the spatial patterns of air pollution and its sources in Ogui New Layout, South-East of Nigeria, using remote sensing and GIS technology
October 2023
Air pollution is one of the main risk factors for human health. It is the deadliest form of environmental pollution, which the World Health Organization has recognized as a significant indicator of the status of the environment. Therefore, there is a need for monitoring of air pollution to reduce health hazards associated with it. In this study, Remote Sensing and Geographic Information System were used to examine the...
Diurnal variability of the magnetospheric convective electric field (MCEF) from 1996 to 2019: Comparative investigation into the signatures of the geoeffectiveness of coronal mass ejections and magnetic clouds
September 2023
This paper compared the signatures of shock activity and magnetic clouds (caused by geoeffective interplanetary coronal mass ejections (ICMEs)) on the diurnal variability of the magnetospheric convective electric field (MCEF) from 1996 to 2019. The investigation is done as a function of the orientation of the interplanetary magnetic field (IMF). The temporal variabilities of the MCEF of the two geomagnetic activities...
Comparative study of water quality between upstream and downstream of Thamirabarani River using multivariate statistical tools
September 2023
The present investigations were focused on the systematic analysis of surface water quality of the Thamirabarani River from upstream (Pechiparai dam to Gnaramvilai) to downstream (Vettuvenni to Thengaipattinam estuary) during the period from September 2020 to January 2021. The different hydrochemical parameters such as temperature, pH, EC, TDS, fluoride, turbidity, nitrate, phosphate, sulphate, chloride, calcium,...
Micro surface texturing formation in polycrystalline-silicon solar cells by means of CO2 laser
May 2023
Surface texturing of polycrystalline silicon solar cells using a CO2 laser was achieved in the present study, with different line spacing and sizes in one dimension. The efficiency of the solar cell was calculated using the measurements of the short circuit current (ISC), the open circuit voltage (VOC), and the fill factor (FF). The SEM results showed the formation of micro-scale textures. Operational results showed...
A comparative analysis of the development of electromagnetic pollution maps with artificial intelligence and interpolation
April 2023
Cell phones and mobile devices have been an integral part of life over the past 30 years. In parallel with the intensity of use of mobile phones, the number of base stations has also increased. The increasing number of base stations has caused an intensity of electromagnetic pollution in the GSM band. The issue of electromagnetic pollution has become increasingly remarkable due to the claims that it can cause diseases...
Effect of poultry manure application rates on growth and yield of Saba (Saba senegalensis) in Southeastern Nigeria
February 2023
An experiment to determine the effect of poultry manure (PM) application rates on growth and yield of S. senegalensis was conducted at the Department of Crop Science, University of Nigeria, Nsukka. The experiment was a Randomized Complete Block Design (RCBD) of four rates of poultry manure (0, 10, 20 and 30 t ha–1) replicated three times. Analysis of variance results indicated that PM significantly (p < 0.05)...
Re-orienting developing countries scientific research for industrial development
November 2022
The development of countries is now mostly dependent on their research and how fast they can convert the results into tangible products and services. Employment of research for industrial development is not being encouraged in developing countries. Developing countries must engage more in research that will contribute positively to their economy. Encouraging collaboration and entrepreneurship within and across different...
A review of research trends on Nattrassia mangiferae from 1966-2022: A bibliometric approach
November 2022
In recent years, Nattrassia mangiferae has received tremendous attention as a destructive plant pathogen that may potentially infect humans and animals. The pathogen was isolated from 61 species belonging to 47 genera and 30 family plants but was most frequently isolated from Cactaceae, Rosaceae, Euphorbiaceae, Anacardiaceae, and Rutaceae hosts. To systematically and comprehensively describe the progress, trends, and...
Training to develop soft skills for engineering students
October 2022
The emergence of the Industry 4.0 has been driven by technological advances that brought the need for evolution in the educational sector. Education 4.0 proposes a restructuring of teaching methods to include the socio-emotional skills highly demanded within the current job market. Engineers traditionally have a technical-scientific-based training; they focus on the development of core competencies such as mathematics,...
Factors of geomagnetic storms during the solar cycles 23 and 24: A comparative statistical study
August 2022
The solar sources of 884 geomagnetic storms have been studied for the solar cycles 23 and 24 (1996-2019), regardless of their size ranges; using the Kp index and the NOAA G criteria (minor to extreme storms). It claims from our investigation that fast solar wind streams (HSSWs) is the main factor of small (G1) and medium (G2) storms and occur mostly on the descending phase of the solar cycle. Fast solar wind has...
The role of iron on the growth and development of the seedlings of Rhizophora mangle L.
July 2022
Iron is an essential element, and its deficiency and excess result in negative effects on the growth and physiology of plants. Heavy metals are the highest anthropic pollutants that affect mangrove ecosystem. This study aimed to analyze the development of Rhizophora mangle seedlings in response to excess Fe under controlled conditions. Seedlings of R. mangle previously established were transferred to the culture...
Phytochemical study of the extracts of oilseeds of Staudtia kamerunensis var. gabonensis (Warb.) from Gabon and evaluation of their antiradical activity
June 2022
The report focused on phytochemical tests and evaluation of the antiradical activity of seed extracts of Staudtia kamerunensis var. gabonensis. The successive extraction of seed powders from S. kamerunensis var. gabonensis was carried out by maceration at room temperature with solvents of increasing polarities: Cyclohexane, trichlorethylene, acetone, ethanol and distilled water. The antiradical activity was measured by...
Defining green economy aspects for eco-friendly industrial approaches; their linkages across the sustainable innovation paradigm
May 2022
Green economy is a sustainable concept that has set the pace for industrial innovations across the globe. This is reflected in manufacturing, processing, and production industrial processes. There is a paradigm shift in the definition and understanding of green economy (GE) linkages to industrial symbiosis (IS), industrial ecology (IE) and clean development mechanism (CDM). We hypothesize in this study by responding to...
Geoeffectiveness of the inner magnetosphere under the impact of fast solar wind currents: Case of solar cycles 20 to 23
March 2022
Earth's magnetosphere is a magnetic shield that protects the Earth from the energetic emissions of the high-speed Solar Wind (HSSW). We perform a statistical analysis of the response of Earth's magnetosphere inner part under the impact of HSSW over 40 years of data encompassing solar cycles 20-23. With misidentified events or events interacting with interplanetary coronal mass ejections (ICMEs) removed, only...
Anti-cancer potential of Tetracarpidium conophorum (African walnut) seed oil on prostate carcinogenesis
January 2022
Prostate cancer is the leading cause of mortality in men worldwide, and dietary fat influence its incidence. This study investigated the effect of feeding Tetracarpidium conophorum seed oil (TCSO) on 3-methylcholanthrene (MCA) induced prostate cancer in Wistar rats, the expression of cyclooxygenase-2 (COX-2) and peroxisome proliferator activated receptor gamma (PPAR-?) in the prostatic tissues. The TCSO was extracted...
Assessment of the antifertility effects of some plants in male albino mice
December 2021
Some medicinal plants contain natural compounds such as isoflavonoids and polyphenols that produce sterility in male animals. The aim of the present study is to investigate the effects of the chloroform extract of the seeds of Sea Island cotton, Gossypium barbadense; the ethanolic extract of seeds of soybean, Glycine max; and the ethanolic extract of the leaves of rosemary, Rosmarinus officinalis, on the fertility of...
Total electron content response to two moderate geomagnetic storms in July 2003 at Niamey Station in Niger
October 2021
The present paper reviews CODG TEC response to the moderate storm of July 26, 2003 and that of July 29 at Niamey station in West African equatorial station (Geo Lat 13° 28'45.3 "N; Geo long: 02° 10'59.5" E) in Niger. These two moderate geomagnetic storms are of solar wind origin. The study showed an increase in CODG TEC values during the initial phase of the storm and a decrease in CODG TEC...
On the effects of solar flare on geomagnetic components across all latitudes during solar minimum and maximum
September 2021
The mutual dependence of solar flare and geomagnetic H and Z components during the period of least (2009) and maximum (2002) solar activity using archived and observed data were examined. Solar flares were identified by sudden ionosphric monitor (SIDMON) constructed by staff of Centre for Basic Space Sciences, University of Nigeria, Nsukka, Nigeria. However, SIDMON results were still confirmed by satellite data since it...
Reliability of vibratory indications during the follow-up of bearing spalling
August 2021
In this work, spalling is naturally initiated on the bearing raceway during its operation on the test bench. The experimental procedure used consists of monitoring the deterioration of the ball bearing until its failure with an online acquisition of vibration signals. Vibration analysis is the method used to characterize the damage. In order to obtain a significant trend curve, spalling surface has been measured several...
Probability of dry and wet spells over West Africa during the summer monsoon season
July 2021
This work aims at characterizing the conditional probability of single or consecutive dry and wet days in West Africa using the first-order Markov chain approach during the monsoon season (June to October). The results show that the probabilities of having a wet day (PW), a wet day preceded by another wet day (PWW) and a wet day preceded by a dry day (PDW) are stronger in regions where the rainfall is maximum (mountain...
Phenotypic screening of multidrug-resistant E. coli from water and fish collected from different fish farms within Abakaliki metropolis, Nigeria
June 2021
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...
Effect of organic foliar sprays on yield of cluster bean (Cyamopsis tetragonoloba L. Taub) cv. Pusa Navbahar
June 2021
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...
Analysis of the antimicrobial action of copaiba oil and endodontic substances against anaerobic bacteria
January 2021
Endodontic infections are polymicrobial and predominantly caused by anaerobic bacteria and some facultative bacteria. The list of microorganisms involved in endodontic infections keeps expanding and has the potential to become increasingly more accurate during the next few years. Copaiba oil is an important Amazonian herbal medicine commercialized worldwide. In this study, we evaluated the antimicrobial activity...
Pilot bioremediation of contaminated soils by hydrocarbons, from an electricity production and distribution site in Ouagadougou, Burkina Faso
November 2020
The bioremediation of polluted soils by hydrocarbons is a set of decontamination techniques which exploit the depolluting activity of living organisms in order to reduce the toxicity, mobility or quantity of a contaminant in the environment. This work has enabled the bioremediation of a soil contaminated with hydrocarbons by exploiting endogenous microorganisms of the environment. The depollution method used was the...
Haemoglobin genetic types and its association with qualitative traits in West African Dwarf sheep
August 2020
This study was carried out to investigate the haemoglobin genetic types and their association with qualitative traits in West African Dwarf (WAD) sheep. The Modified Stratified Sampling Technique (MSST) was used to select the sampling sites within the selected state and animal samples within the sampling sites. A total of 280 adult sheep comprising 140 rams and 140 ewes aged 4 years were used for the study. Data were...
Effects of biochar and manure on soil properties and growth of Casuarina equisetifolia seedlings at the coastal region of Kenya
August 2020
This study investigated the effects of biochar and manure applied singly or together on soil biochemical properties, Casuarina equisetifolia seedling growth and seedling quality. Therefore, a nursery experiment consisting of Prosopis juliflora biochar and cattle manure treatments at 0% (control), 10% biochar, 20% biochar, 10% manure, 10% biochar + 10% manure, and 20% biochar + 10% manure was conducted. Generally,...
Epidemiological pattern of malignant neoplasia of the esophagus in the region of ABC- São Paulo, Brazil between the years of 2008 and 2017
July 2020
Esophageal cancer is the sixth leading cause of death from malignancies in the world. Given its importance, it is a disease that needs further studies to deepen its understanding and epidemiological behavior. The aim of this work is to evaluate the epidemiological profile of EC in the ABC, Southeast and the national territory of Brazil between 2008 and 2017. This is an ecological study that evaluated the temporal trend...
Mitigating the spread of COVID-19 in low-income countries
June 2020
Coronavirus disease 2019 (COVID-19) has become an increasing concern to global health organizations, and may pose major challenges to health care systems in the low-income countries due to the absence of equipment, lack of funding, and insufficient training of healthcare workers. Thus, mitigation measures that involve social distances and personal hygiene may be prioritized. The main objective of this review was to...
Knowledge and understanding of energy efficiency in air-conditioning: Exploring perceptions from the manufacturing sector in Ghana
June 2020
The study investigated Energy Efficiency (EE) measures and practices from the perspectives of Ghana's manufacturing sector. A mixed methods approach that applied both qualitative and quantitative methodologies guided the study. The quantitative approach was relevant to establish statistical inferences and the qualitative methods used to provide further in-depth understanding to statistic(s) provided by the...
Impact of some heavy metals on bacterial utilization of kerosene in liquid medium
June 2020
Potential petroleum degrading bacteria, Pseudomonas aerogenosa and Micrococcus sp. was isolated from petroleum contaminated soil in petroleum microbiology laboratory, Department of Microbiology University of Nigeria, Nsukka. Hydrocarbon utilization in liquid media was assessed through time – course optical density measurement. Concentrations of the heavy metals ranging from 50 to 200 mg/L were introduced into 100...
Prevalence of hepatitis B virus and HIV infections among pregnant women visiting healthcare institutions in Ebonyi State, Nigeria.
April 2020
This study aims to determine the prevalence of hepatitis B virus (HBV) and HIV infections among pregnant women visiting Healthcare Institutions within Ebonyi State, Nigeria. Blood samples were collected from 100 pregnant women who visited Rural Improvement Missionary Hospital (RIMH) and General Hospital (GHE) within Ebonyi State. The presence of hepatitis B surface antigen (HBsAg) in serum was determined using Antec...
Surfactants of microbial origin and its application in foods
February 2020
Surfactants are petroleum-derived compounds widely used globally in industrial areas such as pharmaceuticals, cosmetics, textile, among others. The synthesis and use of these compounds has generated environmental pollution, putting public health at risk. For several years, the synthesis of surfactants has been reported by various microorganisms called biosurfactants. Biosurfactants have been shown to reduce surface...
Preparation of Laundry Soap from Used Cooking Oils: Getting value out of waste
January 2020
Palm oil is commonly used to prepare laundry soap by treating it with alkaline solutions. However, using it for this purpose is becoming expensive as palm oil is imported from few major exerting countries. Moreover, it is used for biodiesel production. Therefore, looking for alternative raw material that substitutes palm oil for soap production is imperative. Used cooking oils (UCOs) are good candidates in this regard....
Positioning smallholder farming in the agricultural productivity and food security in resource limited Sierra Leone
September 2019
Agriculture is dominated by smallholder farmers who occupy the majority of land, and produce most of the crop and livestock products in Sierra Leone. Nonetheless, the key long-standing challenge of the smallholder farmers is low productivity that stems from the lack of access to markets, credit and technology, and in recent years these are compounded by the volatile food and energy prices and very recently by the global...
Structural plasticity and species distribution in a peri-urban mangrove of Southeastern Brazil
September 2019
The goal of this study was to evaluate the structural plasticity and distribution of mangrove species in the Estuarine System of Greater Vitória (ESGV). Four areas distributed along the estuary were analyzed. Fringe and basin forests were sampled in each station. Concomitantly to the forest sampling, interstitial salinity was measured in the field, and sediment was collected for analysis of organic matter (OM)...
The importance of undergraduate coursework in student success at South Carolina medical institutions
July 2019
The importance of undergraduate coursework in determining medical school student readiness reaches far beyond preparation to take the standardized Medical College Admissions Test (MCAT®). Since medical schools employ a rigorous and fast-paced learning system to instruct prospective medical students on (A) didactic information in the basic sciences and (B) the critical methodology of clinical practice, it is...
Diurnal variation of F2-layer critical frequency under solar activity recurrent conditions during solar cycles 21 and 22 at Ouagadougou Station: Prediction with IRI-2012
July 2019
This paper presents foF2 data recorded at Ouagadougou Ionosonde Station and compares them with IRI-2012 model results through its two subroutines, Union Radio Scientifique Internationale (URSI) and Comité Consultatif International des Radio Communications (CCIR) during recurrent solar activity. Except for the solar cycle maximum period, measured data profiles corroborate with the signatures of E×B drift....
Assessment of ecosystem services in the Wildlife Reserve of Togodo (South East of Togo, West Africa) and vulnerability-adaptation of surrounding communities to climate variability and change effects
July 2019
This study aims at contributing to the vulnerability and adaptation to climate changes (CC) analysis of bordering communities of Togodo Reserve, in order to enhance their resilience. Specifically, the present study attempted to (i) identify the climatic hazards of the WRT; (ii) determine the impacts of climate variability and change on their livelihoods; (iii) assess the socio-economic vulnerability of these...
Hypoglycemic activities and biochemical parameters modulation of herbal formulations of Allium cepa L. in alloxanized diabetic rats
June 2019
The aim of this work was to formulate and evaluate the herbal tablets of Allium cepa L. for in vitro tablet properties, hypoglycemic effects and for their effects on some biochemical parameters in diabetic rats. Aqueous extract of A. cepa L. was obtained by cold maceration and freeze dried. A. cepa L. extract compatibility with some tablet excipients was assessed using Fourier transform infrared spectroscopy. A. cepa L....
Effectiveness of using oils extracts of Peganum harmala and Rhanterium epapposum against Khapra beetle (Coleoptera: Dermestidae) and their chemical compositions
June 2019
Essential oils extracted from two medicinal plants Peganum harmala and Rhanterium epapposum native to the Arabian Peninsula specially Saudi Arabia, were evaluated for their larvicidal effects and emergence of Khapra beetle (Trogoderma granarium) adults. The oil analyzed by thin layer chromatography, the results of phytochemical analysis indicated that the presence of Alkaloids, flavonoids Triterpenes, Cumarins and...
Assessments of drinking water supply quality at squatter and indigenous settlements of Bagmati River Corridors in Kathmandu
May 2019
This study made an attempt to acquire information on water availability and assess the drinking water quality level of Bagmati river corridors. It identified the different modes of water supply sources and then examined drinking water quality in 37 squatters and 5 indigenous communities which consists 3693 households within Kathmandu Valley. To assess the state of drinking water quality at sources and points of use...
Principal air pollutants and their effects on athletes’ health and performance: A critical review
May 2019
The aim of this review was to assess the health effects of the criteria air pollutants: Sulfur dioxide (SO2), carbon oxides (COX), nitrogen dioxide (NO2), particulate matter (PM) and ozone (O3) together with photochemical smog and global warming in relation to exercise with particular focus on athletes. In this review, respiratory and cardiovascular health impacts of the specified principal air pollutants have been...
Patterns of incidence of colorectal cancer in Brazil from 1990 to 2016
April 2019
Colorectal cancer (CRC) has a high prevalence in both sexes. Although its incidence among the elderly is declining, some studies show an increased incidence in age group under 50 populations, an age group that is not included in the global screening protocols. However, screening the disease in a defined population at younger age groups is of paramount importance in reducing mortality rate. This is an ecological study...
Nanomedicines: Challenges and perspectives for future nanotechnology in the healthcare system
April 2019
A novel approach of combining nanotechnology to the pharmaceutical and biotechnological field resulted in the formation of nanomedicines. Nanomedicines have progressed to a more considerable extent for curing irremediable diseases such as neurological defects, cardiovascular defects, etc., because of its minute size which assists in increased surface area and hence a remarkable dissolution profile. In addition to the...
Precision attributes based index for the selection of efficient agricultural machinery
March 2019
Development and introduction of high capacity, precise, reliable and energy efficient machinery/equipment is the need for judicious use of inputs. Manufacturing of agricultural machinery in India is varied in nature and starts from village artisans, tiny units, cottage to small scale industries, organized tractor and agricultural machinery manufacturers including energy and processing machinery industry. Precision in...
Compaction and strength characteristics of recycled pavement material: Cement mixtures used for road pavement purposes
February 2019
The implementation of conventional soil-cement stabilization techniques is hindered by the relatively large particle size of road pavement materials. This study aims to investigate the effects of the gradations of soil particles, cement content, and water content on the soil-cement materials (real construction materials collected from the field) used for pavement. Recycled crushed rock obtained from the pulverizing...
Breeding seasons of some commercially important fishes in Ethiopia: Implications for fish management
January 2019
Fishing during periods close to spawning (breeding) season results in a decline in fish population. Identifying the breeding season of each fish species is important for conservation and aquaculture development. Published and unpublished sources of data were used to prepare this review manuscript. Based on the review process, it is possible to observe that the breeding season of fish occurred all year round. Although,...
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