Prof. Godfred Darko

Professor


Dept: Chemistry
Department of Chemistry
College of Science
Kwame Nkrumah University of Science and Technology
Kumasi

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Research Areas/Interests

Godfred's research interests span metal bioaccessibility, mercury transport modelling, and pesticides monitoring...~more

My full CV

Publications

    https://scholar.google.com/citations?user=B4-lr5YAAAAJ&hl=en

    Patent:

    Ruphino, Z., Darko, G., Litwinski, C., Nyokong, T., Torto, N. (2012) Polymer bound metallophthalocyanines. International Patent. WO 2012 / 023 100 A1

    Scholarly Publications:

    Acheampong, A., Gyasi, W. O., Darko, G., Apau, J. & Addai-Arhin, S. Validated RP-HPLC method for simultaneous determination and quantification of chlorpheniramine maleate, paracetamol and caffeine in tablet formulation. Springerplus 5, 625 (2016).

    Affum, A. O., Dede, S. O., Nyarko, B. J. B., Acquaah, S. O., Kwaansa-Ansah, E. E., Darko, G., Dickson, A., Affum, E. A. & Fianko, J. R. Influence of small-scale gold mining and toxic element concentrations in Bonsa River, Ghana: a potential risk to water quality and public health. Environ. Earth Sci. 75, 178 (2016).

    Azanu, D. Mortey, C., Darko, G., Weisser, J. J., Styrishave, B. & Abaidoo, R. C. Uptake of antibiotics from irrigation water by plants. Chemosphere 157, 107–114 (2016).

    Borquaye, L. S. Darko, G., Oklu, N., Anson-Yevu, C. & Ababio, A. Antimicrobial and antioxidant activities of the ethyl acetate and methanol extracts of Littorina littorea and Galatea paradoxa. Cogent Chem. 1161865 (2016). doi:10.1080/23312009.2016.1161865

    Darko, G., Azanu, D. & Logo, N. K. Accumulation of toxic metals in fish raised from sewage-fed aquaculture and estimated health risks associated with their consumption. Cogent Environ. Sci. 2, 1–37 (2016).

    Darko, G., Goethals, A., Torto, N. & De Clerck, K. Steady state electrospinning of uniform polyethersulfone nanofibers using a non-heated solvent mixture. Appl. Nanosci. 6, 837–845 (2016).

    Fosu-Mensah, B. Y., Okoffo, E. D., Darko, G. & Gordon, C. Assessment of organochlorine pesticide residues in soils and drinking water sources from cocoa farms in Ghana. Springerplus 5, 869 (2016).

    Fosu-Mensah, B. Y., Okoffo, E. D., Darko, G. & Gordon, C. Organophosphorus pesticide residues in soils and drinking water sources from cocoa producing areas in Ghana. Environ. Syst. Res. 5, 10 (2016).

    Nkansah, M. A., Korankye, M., Darko, G. & Dodd, M. Heavy metal content and potential health risk of geophagic white clay from the Kumasi Metropolis in Ghana. Toxicol. Reports 3, 644–651 (2016).

    Quansah, R., Bend, J. R., Abdul-Rahaman, A, Ato Armah, F., Luginaah, I., Essumang, D. K., Iddi, S., Chevrier, J., Cobbina, S. J., Nketiah-Amponsah, E., Adu-Kumi, S., Darko, G., & Afful, S. Associations between pesticide use and respiratory symptoms: A cross-sectional study in Southern Ghana. Environ. Res. 150, 245–254 (2016).

    Usman, A., Thoss, V., Darko, G. & Itodo, A. U. Determination of triacylglycerol composition of Trichilia emetica seed oil using GC-MS and H-NMR spectroscopy. Adv. Anal. Chem. 6, 10–16 (2016).

    Azanu, D., JØrgensen, S. E., Darko, G. & Styrishave, B. Simple metal model for predicting uptake and chemical processes in sewage-fed aquaculture ecosystem. Ecol. Modell. (2015). doi:10.1016/j.ecolmodel.2015.07.023.

    Borquaye, L. S., Darko, G., Ocansey, E. & Ankomah, E. Antimicrobial and antioxidant properties of the crude peptide extracts of Galatea paradoxa and Patella rustica. Springerplus 4, 1–6 (2015).

    Darko, G., Boakye, S., Akoto, O., Rammika, M. & Gyamfi, O. Distribution and potential risks of heavy metals in fish, water and sediment. Environ. Sci. Indian J. 11, 74–82 (2015).

    Darko, G., Faanu, A., Akoto, O., Acheampong, A., Goode, E. J. & Gyamfi, O. Distribution of natural and artificial radioactivity in soils, water and tuber crops. Environ. Monit. Assess. 187, 1–11 (2015).

    Darko, G., Faanu, A., Akoto, O., Atta-Agyemang, F., Aikins, M. A. & Agyemang, B. Assessment of the activity of radionuclides and radiological impacts of consuming underground water in Kumasi, Ghana. Environ. Earth Sci. 73, 399–404 (2015).

    Darko, G., Goethals, A., Torto, N. & De Clerck, K. Steady state electrospinning of uniform polyethersulfone nanofibers using a non-heated solvent mixture. Appl. Nanosci. (2015). doi:10.1007/s13204-015-0504-9

    Darko, G., Mensah, J. K., Dapaah, S. S. & Odei, J. Estimated dietary exposure to veterinary residues in chicken and eggs. Int. J. Food Contam. 2, 1–16 (2015).

    Kyei, S. K., Darko, G. & Ephraim, J. H. The reactivity of soil organic fractions towards Cadmium, Calcium, Copper and Zinc. Int. J. Environ. Sci. 5, 722–742 (2015).

    Acheampong, A., Darko, G., Apau, J. & Oti-Boakye, A. Assessment of mercury levels in omega-3 food supplements available on the Ghanaian market. Asian J. Appl. Sci. 2, 658–662 (2014).

    Akoto, O., Eshun, B. F., Darko, G. & Adei, E. Concentrations and health risk assessments of heavy metals in fish from the Fosu Lagoon. Int. J. Environ. Res. 8, 403–410 (2014).

    Akoto, O., Gyamfi, O., Darko, G. & Barnes, V. R. Changes in water quality in the Owabi water treatment plant in Ghana. Appl. Water Sci. (2014). doi:10.1007/s13201-014-0232-4

    Baidoo, E., Ephraim, J. H., Darko, G. & Akoto, O. Potentiometric studies of the acid–base properties of tropical humic acids. Geoderma 217–218, 18–25 (2014).

    Akoto, O., Andoh, H., Darko, G., Eshun, K. & Osei-Fosu, P. Health risk assessment of pesticides residue in maize and cowpea from Ejura, Ghana. Chemosphere 92, 67–73 (2013).

    Darko, G., Chigome, S., Darkwa, J., Lillywhite, S and Torto, N. & Tshentu, Z. Sorption of toxic metal ions in aqueous environment using electrospun polystyrene fibres incorporating diazole ligands. Water SA 39, 39–46 (2013).

    Dartey, E., Sarpong, K., Darko, G. & Acheampong-Marfo, M. Urinary arsenic and mercury levels in artisanal miners in some communities in the Obuasi Municipality of Ghana. J. Environ. Chem. Ecotoxicol. 5, 113–118 (2013).

    Adu-Kumi, S., Kareš, R., Literák, J., Bor?vková, J., Yeboah, P. O., Carboo, D., Akoto, O., Darko, G., Osae, S. & Klánová, J. Levels and seasonal variations of organochlorine pesticides in urban and rural background air of southern Ghana. Environ. Sci. Pollut. Res. 19, 1963–1970 (2012).

    Darko, G., Sobola, A., Adewuyi, S., Okechukwu, J. & Torto, N. Pre-concentration of toxic metals using electrospun amino-functionalized nylon-6 nanofibre sorbent. South Africa J. Chem. 65, 14–22 (2012).

    Pakade, V. E., Cukrowska, E. M., Darkwa, J., Darko, G., Torto N., and Chimuka L.Simple and efficient ion imprinted polymer for recovery of uranium from environmental samples. Water Sci. Technol. 65, 728–736 (2012).

    Rammika, M., Darko, G. & Torto, N. Optimal synthesis of a Ni ( II ) -dimethylglyoxime ion-imprinted polymer for the enrichment of Ni ( II ) ions in water, soil and mine tailing samples. Water SA 38, 261–268 (2012).

    Adeyemi, D., Anyakora, C., Ukpo, G., Adedayo, A. & Darko, G. Evaluation of the levels of organochlorine pesticide residues in water samples of Lagos Lagoon using solid phase extraction method. J. Environ. Chem. Ecotoxicol. 3, 160–166 (2011).

    Akoto, O., Darko, G. & Nkansah, M. A. Chemical composition of rainwater over a mining area in Ghana. Int. J. Environ. Res. 5, 847–854 (2011).

    Chigome, S., Darko, G. & Torto, N. Electrospun nanofibers as sorbent material for solid phase extraction. Analyst 136, 2879–2889 (2011).

    Darko, G., Chigome, S., Tshentu, Z. & Torto, N. Enrichment of Cu(II), Ni(II), and Pb(II) in aqueous solutions using electrospun polysulfone nanofibers functionalized with 1-[bis[3-(dimethylamino)-propyl]amino]-2-propanol. Anal. Lett. 44, 1855–1867 (2011).

    Rammika, M., Darko, G., Tshentu, Z., Sewry, J. & Torto, N. Dimethylglyoxime based ion-imprinted polymer for the determination of Ni(II) ions from aqueous samples. Water SA 37, 1–10 (2011).

    Rammika, M., Darko, G. & Torto, N. Incorporation of Ni(II)-dimethylglyoxime ion-imprinted polymer into electrospun polysulphone nanofibre for the determination of Ni(II) ions from aqueous samples. Water SA 37, 539–546 (2011).

    Akoto, O., Bruce, T. & Darko, G. Chemical and biological characteristics of streams in the Owabi watershed. Environ. Monit. Assess. 161, 413–422 (2010).

    Chigome, S., Darko, G., Buttner, U. & Torto, N. Semi-micro solid phase extraction with electrospun polystyrene fiber disks. Anal. Methods 2, 623 (2010).

    Akoto, O., Bruce, T. N. & Darko, G. Heavy metals pollution profiles in streams serving the Owabi reservoir. African J. Environ. Sci. Technol. 2, 354–359 (2008).

    Akoto, O., Ephraim, J. H. J. & Darko, G. Heavy metals pollution in surface soils in the vicinity of abandoned railway servicing workshop in Kumasi, Ghana. Int. J. Environmental Res. 2, 359–364 (2008).

    Darko, G. & Acquaah, S. O. Levels of organochlorine pesticides residues in dairy products in Kumasi, Ghana. Chemosphere 71, 294–298 (2008).

    Darko, G. & Akoto, O. Dietary intake of organophosphorus pesticide residues through vegetables from Kumasi, Ghana. Food Chem. Toxicol. 46, 3703–3706 (2008).

    Darko, G., Akoto, O. & Oppong, C. Persistent organochlorine pesticide residues in fish, sediments and water from Lake Bosomtwi, Ghana. Chemosphere 72, 21–24 (2008).

    Darko, G. & Acquaah, S. Levels of organochlorine pesticides residues in meat. Int. J. Environ. Sci. Technol. 4, 521–524 (2007).


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