Osei Akoto
100 Publications37 Research Themes48 Open Access
Research Overview & Focus
The researcher has made significant contributions to the fields of environmental health, chemical污染, and sustainable resource management. Their work emphasizes comprehensive approaches to assessing water quality, soil contamination, and food safety, leveraging innovative methods such as chemical analysis, gas sensors, and bioassays to evaluate heavy metals, pollutants, and their interactions with aquatic systems. The researcher's research spans a wide range of domains, including human health risks associated with food residues, pesticides, and metalloxy compounds, as well as studies on agricultural practices and marine ecosystems. They have developed advanced analytical techniques, such as organic gas sensors and vertical GeI2/C2N heterostructures, to enhance water quality monitoring. The researcher's work is interdisciplinary, focusing on global environmental issues through policy and innovation-driven approaches, with applications ranging from improving water and soil management to sustainable agricultural practices. Their research underscores the critical role of advanced analytical methods in addressing complex environmental challenges and ensuring a healthier planet for humanity.
Faculty Biography
Osei Akoto is an Associate Professor at the Department of Chemistry, KNUST, Kumasi, Ghana. He joined the Department as a faculty in 2005 and was the Head of the Department from August 2016 to July 2018. Prof. Osei Akoto had his BSc. and MPhil degrees at the University of Ghana, Legon in 1992 and 1998 respectively, and later had his Ph.D. in Chemistry at KNUST in 2015.His research interest lies in the area of Environmental Chemistry and Toxicology and has collaborated actively with researchers in other disciplines. Prominent among his research is the studies on “Environmental Impact of toxic substances on wildlife and species differences”, a collaborative research work between the Department of Chemistry, KNUST and the Laboratory of Toxicology at Hokkaido University, Japan.His current research is focused on the environmental impact of toxic substances and their processes in the interface between humans and their surrounding environment, the origin and dispersion of environmental pollutants (pesticides, PAHs, and heavy metals), human exposure, associated health hazards, and ecotoxicology.Prof. Osei Akoto has made over 100 scholarly contributions, including about 70 peer-reviewed research papers (h-index = 19; i10 = 26; by Google Scholar, April, 2019).He has served on about ten (10) conference and workshop committees and chaired the organizing committee for the 5th International Toxicology Symposium in Africa which was held by the Department of Chemistry, KNUST in 2013. He has also participated in several other conferences and workshops.Prof Osei Akoto is a panel member of the academic audit team of the National Accreditation Board and serves as External Examiner to a number of universities including the University of Ghana and the University of Cape Coast.
Key Research Themes (37)
Physical Sciences
2D Materials and Applications
Physical Sciences
Advanced Photocatalysis Techniques
Life Sciences
Agriculture and Rural Development Research
Physical Sciences
Air Quality and Health Impacts
Physical Sciences
Aquatic Ecosystems and Biodiversity
Life Sciences
Bioactive natural compounds
Life Sciences
Cocoa and Sweet Potato Agronomy
Physical Sciences
Effects and risks of endocrine disrupting chemicals
Physical Sciences
Electronic and Structural Properties of Oxides
Physical Sciences
Environmental and Social Impact Assessments
Life Sciences
Ethnobotanical and Medicinal Plants Studies
Physical Sciences
Gas Sensing Nanomaterials and Sensors
Physical Sciences
Geochemistry and Geologic Mapping
Physical Sciences
Groundwater and Isotope Geochemistry
Physical Sciences
Groundwater and Watershed Analysis
Physical Sciences
Heavy Metal Exposure and Toxicity
Physical Sciences
Heavy metals in environment
Physical Sciences
Heavy Metals in Plants
Life Sciences
Insect and Pesticide Research
Physical Sciences
Marine and coastal ecosystems
Physical Sciences
Mercury impact and mitigation studies
Physical Sciences
Metal and Thin Film Mechanics
Physical Sciences
Mine drainage and remediation techniques
Physical Sciences
Mining and Resource Management
Physical Sciences
MXene and MAX Phase Materials
Physical Sciences
Oil Palm Production and Sustainability
Life Sciences
Pesticide Exposure and Toxicity
Life Sciences
Pesticide Residue Analysis and Safety
Physical Sciences
Petroleum Processing and Analysis
Physical Sciences
Phosphorus and nutrient management
Health Sciences
Radioactivity and Radon Measurements
Physical Sciences
Spectroscopy and Chemometric Analyses
Social Sciences
Sustainable Supply Chain Management
Physical Sciences
Toxic Organic Pollutants Impact
Physical Sciences
Urban Stormwater Management Solutions
Physical Sciences
Wastewater Treatment and Reuse
Physical Sciences
Water Quality and Pollution Assessment
Publications (100)
Ecological and public health estimations of potentially toxic elements in soils from an abandoned dumpsite in a tropical climatic zone
Impacts of Artisanal Small-Scale Mining and Climate Change on Groundwater Security: The Case of the Global South
Contamination, health risk assessment, and spatial distribution of heavy metals in soils from gold mining district, Ghana
Soil-to-plant transfer factors of uranium and thorium in mining and non-mining districts of Ghana
Health risk assessment and comparative study on heavy metal levels in indigenous cereal-legume blends (CLBs) on Ghanaian markets
Open AccessHealth Risk Assessments of Potentially Toxic Elements in Selected Medicinal Plants from the Ashanti Region of Ghana
Geochemical characterization of waste rock dump and its potential to predict acid mine drainage
Open AccessEvaluation of physicochemical parameters as indicators of diesel adulteration
Open AccessGene expression patterns and DNA methylation of neuron and pancreatic β-cell developments in zebrafish embryos treated with bisphenol F and AF
Open AccessA proposed two-level classification approach for forensic detection of diesel adulteration using NMR spectroscopy and machine learning
Correction: Addressing global environmental pollution using environmental control techniques: a focus on environmental policy and preventive environmental management
Open AccessAddressing global environmental pollution using environmental control techniques: a focus on environmental policy and preventive environmental management
Open AccessAssessment of irrigation water quality for vegetable farming in peri-urban Kumasi
Open AccessExposure and Health Impact Assessment of Essential and Non-Essential Elements in Rice Sold on Ghanaian Markets
Open AccessAn analysis of the foremost issues with artisanal and small-scale gold mining from Ghana’s perspective
Investigation of 2D Janus Al2OS/Ga2SSe van der Waals heterojunction as next-generation thermoelectric and photocatalytic devices
Open AccessAppraising groundwater quality and the associated health risks of heavy metal contamination at Suame magazine
Open AccessRole of BaTiO3 crystal surfaces on the electronic properties, charge separation and visible light–response of the most active (001) surface of LaAlO3: A hybrid density functional study
Open AccessImpact of accumulation of copper from application of copper-based fungicides on soil properties in Ghana
Open AccessExposure and health risk assessment of transition metals in rice found on the Ghanaian market
Seasonal Variation in Water Quality of River Subin in Kumasi
Metal Fractionation and Leaching in Soils from a Gold Mining Area in the Equatorial Rainforest Zone
Open AccessAssessment of Irrigation Water Quality for Vegetable Farming in Peri-Urban Kumasi
Open AccessRational design of 2D/2D CS/SiC van der Waals type-II heterojunctions: a visible-light-driven photocatalyst for hydrogen production
Open AccessMultivariate studies and heavy metal pollution in soil from gold mining area
Open AccessHealth Risk Assessment, Bioaccumulation Factors and Ecological Indices of Heavy Metals in Sediment, Fish and Water Along Asuoyeboah River, Kumasi: A Case Study
Assessment of Physicochemical Composition of Brewery Effluent and Performance Efficiency Assessment of Wastewater Treatment Plant in Accra, Ghana
Assessment of groundwater quality from some hostels around Kwame Nkrumah University of Science and Technology
Open AccessPotentially toxic Metal Loads in Soils Supporting Medicinal Plants in the Ashanti Region of Ghana
Assessment of ameliorative effects of organic dietary interventions on neonicotinoid exposure rates in a Japanese population
Open AccessComprehensive evaluation of the possible impact of roofing materials on the quality of harvested rainwater for human consumption
Boosting the photocatalytic H<sub>2</sub> evolution activity of type-II g-GaN/Sc<sub>2</sub>CO<sub>2</sub> van der Waals heterostructure using applied biaxial strain and external electric field
Open AccessEffect of van der Waals stacking in CdS monolayer on enhancing the hydrogen production efficiency of SiH monolayer
Open AccessEnhancing the photocatalytic hydrogen generation performance and strain regulation of the vertical GeI<sub>2</sub>/C<sub>2</sub>N van der Waals heterostructure: insights from first-principles study
Open AccessSeasonal Changes in Pesticide Residues in Water and Sediments from River Tano, Ghana
Open AccessDistribution of heavy metals in sediments, physicochemical and microbial parameters of water from River Subin of Kumasi Metropolis in Ghana
Open AccessPollution and Health Risk Implications of Heavy Metals in the Surface Soil of Asafo Auto-Mechanic Workshop in Kumasi, Ghana
Heavy Metal Concentrations in Fish from River Tano in Ghana and the Health Risks Posed to Consumers
Open AccessA comprehensive evaluation of surface water quality and potential health risk assessments of Sisa river, Kumasi
Simultaneous quantification of imidacloprid and its metabolites in tissues of mice upon chronic low-dose administration of imidacloprid
Open AccessDefect-engineered two-dimensional layered gallium sulphide molecular gas sensors with ultrahigh selectivity and sensitivity
Human Exposures to Neonicotinoids in Kumasi, Ghana
Ecological and Human Health Risk Assessment of Pesticide Residues in Fish and Sediments from Vea Irrigation Reservoir
Open AccessTwo-dimensional layered type-II MS<sub>2</sub>/BiOCl (M = Zr, Hf) van der Waals heterostructures: promising photocatalysts for hydrogen generation
Neonicotinoid residues in commercial Japanese tea leaves produced by organic and conventional farming methods
Open AccessDevelopmental neurotoxicity of low concentrations of bisphenol A and S exposure in zebrafish
Production and Characterisation of Briquettes from Carbonised Cocoa Pod Husk and Sawdust
Open AccessSeasonal Variations in Physicochemical and Nutrient Water Quality of River Tano in Ghana
Open AccessSeasonal variations in heavy metals in water and sediment samples from River Tano in the Bono, Bono East, and Ahafo Regions, Ghana
Chemical characteristics and health hazards of heavy metals in shallow groundwater: case study Anloga community, Volta Region, Ghana
Open AccessHeavy metal contamination assessment of groundwater quality: a case study of Oti landfill site, Kumasi
Open AccessPreliminary Studies on the Use of Sawdust and Peanut Shell Powder as Adsorbents for Phosphorus Removal from Water
Open AccessEvaluation of health risks associated with trace metal exposure in water from the Barekese reservoir in Kumasi, Ghana
Modelling the distribution of arsenic and mercury in urine using chemometric tools
Open AccessBioaccumulation factors and multivariate analysis of heavy metals of three edible fish species from the Barekese reservoir in Kumasi, Ghana
Characterization, Spatial Variation and Risk Assessment of Heavy Metals and a Metalloid in Surface Soils in Obuasi, Ghana
Open AccessSpatial distribution, exposure, and health risk assessment of bioavailable forms of heavy metals in surface soils from abandoned landfill sites in Kumasi, Ghana
Quality of leachate from the Oti Landfill Site and its effects on groundwater: a case history
Health Risk Assessment of Heavy Metals Contamination in Edible Fish Species from the Barekese Reservoir in Kumasi, Ghana
Association between human exposure to heavy metals/metalloid and occurrences of respiratory diseases, lipid peroxidation and DNA damage in Kumasi, Ghana
Open AccessContamination Levels and Sources of Heavy Metals and a Metalloid in Surface Soils in the Kumasi Metropolis, Ghana
Open AccessContamination Levels and Sources of Heavy Metals and a Metalloid in Surface Soils in the Kumasi Metropolis, Ghana
Open AccessIndirect phase transition of refractory nitrides compounds of: TiN, ZrN and HfN crystal structures
Oxidative stress and respiratory symptoms due to human exposure to polycyclic aromatic hydrocarbons (PAHs) in Kumasi, Ghana
Open AccessPesticide residues in water, sediment and fish from Tono Reservoir and their health risk implications
Open AccessEffects of per-household processes on the levels of chlorpyrifos residues in lettuce (Lactuca sativa)
Open AccessHeavy Metals Enrichment in Surface Soil from Abandoned Waste Disposal Sites in a Hot and Wet Tropical Area
Excretion of polycyclic aromatic hydrocarbon metabolites (OH-PAHs) in cattle urine in Ghana
Open AccessContamination from mercury and other heavy metals in a mining district in Ghana: discerning recent trends from sediment core analysis
Open AccessGroundwater quality assessment using statistical approach and water quality index in Ejisu-Juaben Municipality, Ghana
Pollution evaluation, sources and risk assessment of heavy metals in hand-dug wells from Ejisu-Juaben Municipality, Ghana
Open AccessEcological Risk of Heavy Metals and a Metalloid in Agricultural Soils in Tarkwa, Ghana
Open AccessAccumulation of Heavy Metals and Metalloid in Foodstuffs from Agricultural Soils around Tarkwa Area in Ghana, and Associated Human Health Risks
Open AccessHeavy metal accumulation in untreated wastewater-irrigated soil and lettuce (Lactuca sativa)
Health risk assessment of heavy metals and metalloid in drinking water from communities near gold mines in Tarkwa, Ghana
Distribution of natural and artificial radioactivity in soils, water and tuber crops
Carcinogenic and non-carcinogenic risk of organochlorine pesticide residues in processed cereal-based complementary foods for infants and young children in Ghana
Estimation of human health risk associated with the consumption of pesticide-contaminated vegetables from Kumasi, Ghana
Levels, potential sources and human health risk of polycyclic aromatic hydrocarbons (PAHs) in particulate matter (PM10) in Kumasi, Ghana
Human health risks from metals and metalloid via consumption of food animals near gold mines in Tarkwa, Ghana: Estimation of the daily intakes and target hazard quotients (THQs)
Changes in water quality in the Owabi water treatment plant in Ghana
Open AccessEvaluation of <scp>O</scp>wabi <scp>R</scp>eservoir (<scp>G</scp>hana) water quality using factor analysis
Occurrence, distribution, sources and toxic potential of polycyclic aromatic hydrocarbons (PAHs) in surface soils from the Kumasi Metropolis, Ghana
Assessment of the activity of radionuclides and radiological impacts of consuming underground water in Kumasi, Ghana
Heavy Metals Contamination and Speciation in Sediments of the Owabi Reservoir
2014Heavy metals in environment
Potentiometric studies of the acid–base properties of tropical humic acids
Health risk assessment of pesticides residue in maize and cowpea from Ejura, Ghana
Determination of benzo[a]pyrene levels in ambient air and the source of polycyclic aromatic hydrocarbons using a diagnostic ratio method in Ghana.
2013Toxic Organic Pollutants Impact
Levels and seasonal variations of organochlorine pesticides in urban and rural background air of southern Ghana
Chemical Composition of Rainwater over a Mining Area in Ghana
Physicochemical Analysis of Roof Runoffs from the Obuasi Area
Chemical and biological characteristics of streams in the Owabi watershed
Heavy metals pollution profiles in streams serving the Owabi reservoir
Open AccessDietary intake of organophosphorus pesticide residues through vegetables from Kumasi, Ghana
Isolation and characterization of dipeptide derivative and phytosterol from Capparis tomentosa Lam
2008Ethnobotanical and Medicinal Plants Studies
Persistent organochlorine pesticide residues in fish, sediments and water from Lake Bosomtwi, Ghana
HEAVY METALS POLLUTION IN SURFACE SOILS IN THE VICINITY OF ABUNDANT RAILWAY SERVICING WORKSHOP IN KUMASI, GHANA
2008Heavy metals in environment
Dissolved nitrogen in drinking water resources of farming communities in Ghana
Open AccessChemical analysis of drinking water from some communities in the Brong Ahafo region
Isoflavones and coumarins from Milletia thonningii
Academic Metrics
DepartmentDepartment of Chemistry
Total Publications100
Research Themes37
Open Access Papers48
Department of Chemistry
Kwame Nkrumah University of Science and Technology