Osei Akoto

Chemistry

About

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.

Research Summary

(inferred from publications by AI)

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.

Research Themes

All Papers

Dietary intake of organophosphorus pesticide residues through vegetables from Kumasi, Ghana(2008)

Estimation of human health risk associated with the consumption of pesticide-contaminated vegetables from Kumasi, Ghana(2015)

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)(2014)

Heavy metal contamination assessment of groundwater quality: a case study of Oti landfill site, Kumasi(2019)

Heavy metals pollution profiles in streams serving the Owabi reservoir(2008)

Pollution evaluation, sources and risk assessment of heavy metals in hand-dug wells from Ejisu-Juaben Municipality, Ghana(2015)

Multivariate studies and heavy metal pollution in soil from gold mining area(2023)

HEAVY METALS POLLUTION IN SURFACE SOILS IN THE VICINITY OF ABUNDANT RAILWAY SERVICING WORKSHOP IN KUMASI, GHANA(2008)

Accumulation of Heavy Metals and Metalloid in Foodstuffs from Agricultural Soils around Tarkwa Area in Ghana, and Associated Human Health Risks(2015)

Ecological Risk of Heavy Metals and a Metalloid in Agricultural Soils in Tarkwa, Ghana(2015)

Association between human exposure to heavy metals/metalloid and occurrences of respiratory diseases, lipid peroxidation and DNA damage in Kumasi, Ghana(2017)

Seasonal variations in heavy metals in water and sediment samples from River Tano in the Bono, Bono East, and Ahafo Regions, Ghana(2019)

Evaluation of health risks associated with trace metal exposure in water from the Barekese reservoir in Kumasi, Ghana(2019)

Chemical characteristics and health hazards of heavy metals in shallow groundwater: case study Anloga community, Volta Region, Ghana(2019)

Contamination Levels and Sources of Heavy Metals and a Metalloid in Surface Soils in the Kumasi Metropolis, Ghana(2017)

Distribution of heavy metals in sediments, physicochemical and microbial parameters of water from River Subin of Kumasi Metropolis in Ghana(2021)

Heavy Metal Concentrations in Fish from River Tano in Ghana and the Health Risks Posed to Consumers(2021)

Characterization, Spatial Variation and Risk Assessment of Heavy Metals and a Metalloid in Surface Soils in Obuasi, Ghana(2018)

Heavy Metals Enrichment in Surface Soil from Abandoned Waste Disposal Sites in a Hot and Wet Tropical Area(2016)

Bioaccumulation factors and multivariate analysis of heavy metals of three edible fish species from the Barekese reservoir in Kumasi, Ghana(2018)

Heavy metal accumulation in untreated wastewater-irrigated soil and lettuce (Lactuca sativa)(2015)

Spatial distribution, exposure, and health risk assessment of bioavailable forms of heavy metals in surface soils from abandoned landfill sites in Kumasi, Ghana(2018)

Pollution and Health Risk Implications of Heavy Metals in the Surface Soil of Asafo Auto-Mechanic Workshop in Kumasi, Ghana(2021)

Exposure and health risk assessment of transition metals in rice found on the Ghanaian market(2023)

Exposure and Health Impact Assessment of Essential and Non-Essential Elements in Rice Sold on Ghanaian Markets(2023)

Health Risk Assessment of Heavy Metals Contamination in Edible Fish Species from the Barekese Reservoir in Kumasi, Ghana(2018)

Metal Fractionation and Leaching in Soils from a Gold Mining Area in the Equatorial Rainforest Zone(2023)

Potentially toxic Metal Loads in Soils Supporting Medicinal Plants in the Ashanti Region of Ghana(2022)

Contamination Levels and Sources of Heavy Metals and a Metalloid in Surface Soils in the Kumasi Metropolis, Ghana(2017)

Contamination, health risk assessment, and spatial distribution of heavy metals in soils from gold mining district, Ghana(2024)

Ecological and public health estimations of potentially toxic elements in soils from an abandoned dumpsite in a tropical climatic zone(2025)

Heavy Metals Contamination and Speciation in Sediments of the Owabi Reservoir(2014)

Groundwater quality assessment using statistical approach and water quality index in Ejisu-Juaben Municipality, Ghana(2016)

Quality of leachate from the Oti Landfill Site and its effects on groundwater: a case history(2018)

Dissolved nitrogen in drinking water resources of farming communities in Ghana(2008)

Addressing global environmental pollution using environmental control techniques: a focus on environmental policy and preventive environmental management(2024)

Persistent organochlorine pesticide residues in fish, sediments and water from Lake Bosomtwi, Ghana(2008)

Health risk assessment of heavy metals and metalloid in drinking water from communities near gold mines in Tarkwa, Ghana(2015)

Health risk assessment of pesticides residue in maize and cowpea from Ejura, Ghana(2013)

Carcinogenic and non-carcinogenic risk of organochlorine pesticide residues in processed cereal-based complementary foods for infants and young children in Ghana(2015)

Ecological and Human Health Risk Assessment of Pesticide Residues in Fish and Sediments from Vea Irrigation Reservoir(2021)

Effects of per-household processes on the levels of chlorpyrifos residues in lettuce (Lactuca sativa)(2016)

Chemical analysis of drinking water from some communities in the Brong Ahafo region(2007)

A comprehensive evaluation of surface water quality and potential health risk assessments of Sisa river, Kumasi(2021)

Seasonal Changes in Pesticide Residues in Water and Sediments from River Tano, Ghana(2022)

Appraising groundwater quality and the associated health risks of heavy metal contamination at Suame magazine(2023)

Evaluation of <scp>O</scp>wabi <scp>R</scp>eservoir (<scp>G</scp>hana) water quality using factor analysis(2014)

Seasonal Variations in Physicochemical and Nutrient Water Quality of River Tano in Ghana(2020)

Health Risk Assessment, Bioaccumulation Factors and Ecological Indices of Heavy Metals in Sediment, Fish and Water Along Asuoyeboah River, Kumasi: A Case Study(2022)

Assessment of groundwater quality from some hostels around Kwame Nkrumah University of Science and Technology(2022)

Seasonal Variation in Water Quality of River Subin in Kumasi(2023)

Chemical and biological characteristics of streams in the Owabi watershed(2009)

Occurrence, distribution, sources and toxic potential of polycyclic aromatic hydrocarbons (PAHs) in surface soils from the Kumasi Metropolis, Ghana(2014)

Pesticide residues in water, sediment and fish from Tono Reservoir and their health risk implications(2016)

Levels, potential sources and human health risk of polycyclic aromatic hydrocarbons (PAHs) in particulate matter (PM10) in Kumasi, Ghana(2015)

Levels and seasonal variations of organochlorine pesticides in urban and rural background air of southern Ghana(2012)

Determination of benzo[a]pyrene levels in ambient air and the source of polycyclic aromatic hydrocarbons using a diagnostic ratio method in Ghana.(2013)

Excretion of polycyclic aromatic hydrocarbon metabolites (OH-PAHs) in cattle urine in Ghana(2016)

Oxidative stress and respiratory symptoms due to human exposure to polycyclic aromatic hydrocarbons (PAHs) in Kumasi, Ghana(2017)

Developmental neurotoxicity of low concentrations of bisphenol A and S exposure in zebrafish(2020)

Gene expression patterns and DNA methylation of neuron and pancreatic β-cell developments in zebrafish embryos treated with bisphenol F and AF(2024)

Defect-engineered two-dimensional layered gallium sulphide molecular gas sensors with ultrahigh selectivity and sensitivity(2021)

Correction: Addressing global environmental pollution using environmental control techniques: a focus on environmental policy and preventive environmental management(2024)

Assessment of irrigation water quality for vegetable farming in peri-urban Kumasi(2024)

Changes in water quality in the Owabi water treatment plant in Ghana(2014)

Assessment of Physicochemical Composition of Brewery Effluent and Performance Efficiency Assessment of Wastewater Treatment Plant in Accra, Ghana(2022)

Preliminary Studies on the Use of Sawdust and Peanut Shell Powder as Adsorbents for Phosphorus Removal from Water(2019)

Human Exposures to Neonicotinoids in Kumasi, Ghana(2021)

Simultaneous quantification of imidacloprid and its metabolites in tissues of mice upon chronic low-dose administration of imidacloprid(2021)

Neonicotinoid residues in commercial Japanese tea leaves produced by organic and conventional farming methods(2021)

Assessment of ameliorative effects of organic dietary interventions on neonicotinoid exposure rates in a Japanese population(2022)

Comprehensive evaluation of the possible impact of roofing materials on the quality of harvested rainwater for human consumption(2022)

Physicochemical Analysis of Roof Runoffs from the Obuasi Area(2011)

Boosting the photocatalytic H2 evolution activity of type-II g-GaN/Sc2CO2 van der Waals heterostructure using applied biaxial strain and external electric field(2022)

Enhancing the photocatalytic hydrogen generation performance and strain regulation of the vertical GeI2/C2N van der Waals heterostructure: insights from first-principles study(2022)

Effect of van der Waals stacking in CdS monolayer on enhancing the hydrogen production efficiency of SiH monolayer(2022)

Investigation of 2D Janus Al2OS/Ga2SSe van der Waals heterojunction as next-generation thermoelectric and photocatalytic devices(2023)

Two-dimensional layered type-II MS2/BiOCl (M = Zr, Hf) van der Waals heterostructures: promising photocatalysts for hydrogen generation(2021)

Production and Characterisation of Briquettes from Carbonised Cocoa Pod Husk and Sawdust(2020)

Rational design of 2D/2D CS/SiC van der Waals type-II heterojunctions: a visible-light-driven photocatalyst for hydrogen production(2023)

Distribution of natural and artificial radioactivity in soils, water and tuber crops(2015)

Assessment of the activity of radionuclides and radiological impacts of consuming underground water in Kumasi, Ghana(2014)

Soil-to-plant transfer factors of uranium and thorium in mining and non-mining districts of Ghana(2024)

Chemical Composition of Rainwater over a Mining Area in Ghana(2011)

Contamination from mercury and other heavy metals in a mining district in Ghana: discerning recent trends from sediment core analysis(2016)

Impact of accumulation of copper from application of copper-based fungicides on soil properties in Ghana(2023)

Isolation and characterization of dipeptide derivative and phytosterol from Capparis tomentosa Lam(2008)

Indirect phase transition of refractory nitrides compounds of: TiN, ZrN and HfN crystal structures(2017)

Modelling the distribution of arsenic and mercury in urine using chemometric tools(2019)

Role 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(2023)

An analysis of the foremost issues with artisanal and small-scale gold mining from Ghana’s perspective(2023)

Impacts of Artisanal Small-Scale Mining and Climate Change on Groundwater Security: The Case of the Global South(2025)

Geochemical characterization of waste rock dump and its potential to predict acid mine drainage(2024)

Health Risk Assessments of Potentially Toxic Elements in Selected Medicinal Plants from the Ashanti Region of Ghana(2024)

Health risk assessment and comparative study on heavy metal levels in indigenous cereal-legume blends (CLBs) on Ghanaian markets(2024)

A proposed two-level classification approach for forensic detection of diesel adulteration using NMR spectroscopy and machine learning(2024)

Isoflavones and coumarins from Milletia thonningii(1999)

Potentiometric studies of the acid–base properties of tropical humic acids(2013)

Evaluation of physicochemical parameters as indicators of diesel adulteration(2024)

Assessment of Irrigation Water Quality for Vegetable Farming in Peri-Urban Kumasi(2023)

Collaboration Network

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Research Collaboration Map

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About This Profile

This profile is generated from publicly available publication metadata and is intended for research discovery purposes. Themes, summaries, and trajectories are inferred computationally and may not capture the full scope of the lecturer's work. For authoritative information, please refer to the official KNUST profile.