LIST OF PUBLICATIONS

1. Asare-Donkor N. K, Boakye-Agyemang D, Torve V, Voegborlo R. B and Adimado A. A (2020) Occupational Exposure of Formaldehyde at Some Mortuaries in the Ashanti Region of Ghana. J Toxicol Cur Res 4: 014.
2. Gomah, L. G., Ngumbu, R. S., Voegborlo, R. B. (2019) Dietary Exposure to Heavy Metal Contaminated Rice and Health Risk to the Population of Monrovia J Environ Sci Public Health 3 (3): 474-482
3. Asare-Donkor, N. K, Adaagoam R. A, Voegborlo R. B, and Adimado A. A (2019) Comparison of Three Spectrophotometric Reagents for Determination of Formaldehyde (FA) in Fish. J Environ Toxicol Analyt Res 1: 103.
4. Asare-Donkor N, Boakye-Agyemang, D., Voegborlo R. B and Adimado A. A (2019) Assessment of formaldehyde levels and its health effects in some selected residential homes and offices in Ashanti Region, Journal of Multidisciplinary Engineering Science Studies 5 (8) 2748-2755.
5. G. L. Gomah,   R.B. Voegborlo, R. S. Ngumbu (2018) Levels of Heavy Metals in some commercially available Rice on the Liberian Market. Int. J. S. Res. Sci. Technol. 4(11) 62-69
6. Asare-Donkor, N. K., Adaagoam, R. A., Voegborlo, R. B. and Adimado, A. A. (2018) Risk Assessment of Kumasi Metropolis Population in Ghana through Consumption of Fish Contaminated with Formaldehyde. Journal of Toxicology (4):1-7
7. Frimpong, S. K., Koranteng, S. S., Voegborlo, R. B., Dampare, S. B., Yeboah, P. O. (2018) Method Verification of Total Digestion Technique for the Determination of Nine Heavy Metals in Soil Using Flame, Graphite Furnace and Cold Vapor, Coupled With Atomic Absorption Spectrometer Journal of Chemistry 2(2), 29-37
8. Bawuro, A. A., Voegborlo, R. B. and Adimado, A. A. (2018) Bioaccumulation of Heavy Metals in some tissues of Fish in Lake Geriyo, Adamawa State, Nigeria. Journal of Environmental and Public Health, 2018, 1-6
9. Ngumbu, R. S., Voegborlo, R. B. and Kwaansa-Ansah, E. E. (2017) Levels of Some Essential Heavy Metals in Commercially Important Fish Species Collected from Markets in Monrovia, Liberia. Int. J. S. Res. Sci. Technol., 3(1): 31-35.
10. Ngumbu, R.S, Voegborlo, R.B. and Kwaansa-Ansah, E.E. (2016) Health risk analysis of mercury, lead and cadmium in some commercial fish species collected from markets in Monrovia, Liberia. International Journal of Advances in Life Science and Technology, 3(1): 1-8
11. Adengala J. K., Voegborlo, R. B., Azanu, D. and Adam, J. I. (2016) Distribution of total Lead, Copper, Zinc and Cadmium in soils along the highway from Tafo to Aboaso in Kumasi in the Ashanti Region of Ghana. Journal of Science and Technology, 36(2), 61-74.
12. Boakye, S., Jonfia- Essien W., Voegborlo, R. B., and Boadi, N. O (2016) Assessment of Organochlorine pesticides in cocoa beans from Ashanti and Brong Ahafo Regions of Ghana. IRJD – Journal of Applied Science 2(11), 7-19
13. Agorku, S. E., Kwaansa-Ansah, E. E., Voegborlo, R. B. and Opoku, F. (2016) Mercury and hydroquinone content of skin toning creams and cosmetic soaps, and the potential risks to the health of Ghanaian women. SpringerPlus 5(1),
14. Frimpong S. K., Voegborlo, R. B., Yeboah, P. O. and Dampare, S. B. (2016) Development and validation of multi-residue method for the determination of persistent organic pollutants in soil by gas-chromatography-tandem-mass spectrometry. Anal Chem. An Indian Journal 16(12), 499-510
15. Ngumbu, R. S., Voegborlo, R. B. and Kwaansa-Ansah, E. E. (2016) Health risk analysis of mercury, lead and cadmium in some commercial fish species collected from markets in Monrovia, Liberia. International Journal of Advances in Life Science and Technology, 3(1): 1-8
16. Hagarty, J Smithwick, E., Azanu, D. Atosona, B., Voegborlo, R., and Singha, K. (2015) Chemistry of natural waters and its relation to Buruli ulcer in Ghana. Journal of Hydrology: Regional Studies, 3, 457-472
17. Okyere, H. Voegborlo, R. B. and Agorku, S. E. (2015) Human Exposure to mercury, lead and cadmium through consumption of canned mackerel, tuna, pilchard and sardine. Food Chemistry, 179:331-335
18. Darko, B., Ayim, I. and Voegborlo, R. B. (2014) Heavy metal content in mixed and unmixed seasonings on the Ghanaian market. African Journal of Food Science, 8(1): 14-19.
19. Amponsah, D., Voegborlo, R. and G. E. Sebiawu, (2014) Determination of Amount of Hydroquinone in some selected Skin-lightening Creams sold in the Ghanaian Market. International Journal of Scientific & Engineering Research, 5(6), 544-550
20. Amponsah, D., Sebiawu, G. E. and Voegborlo, R. (2014) Determination of Amount of Mercury in Some Selected Skin-Lightening Creams Sold in the Ghanaian Market. International Journal of Engineering Research & Technology (IJERT) 3(6), 344-350
21. Azanu, D. and Voegborlo, R. B. (2013) Sorption of inorganic mercury on soils from Ankobra Basin in the South-Western part of Ghana. Journal of Science and Technology 33(3):1-15
22. Kwaansa-Ansah, E. E., Voegborlo, R. B., Adimado, A. A., Ephraim, J. H. and Nriagu, J. O. (2012) Effect of pH, Sulphate Concentration and Total Organic Carbon on Mercury Accumulation in Sediments in the Volta Lake at Yeji, Ghana. Bull Environ Contam Toxicol 88(3):418-421
23. Atta. A., Voegborlo, R. B. and Agorku, S. E. ((2012) Total mercury distribution in different tissues of six species of freshwater fish from the Kpong hydroelectric reservoir in Ghana. Environ Monit Assess 184(5):3259-3265
24. Voegborlo, R. B., Matsuyama, A., Adimado A. A. and Akagi H. (2011) Determination of methylmercury in marine and freshwater fish in Ghana using a combined technique of dithizone extraction and gas liquid chromatography with electron capture detection. Food Chemistry, 124: 1244 - 1248
25.  Adengala, J. K., Voegborlo, R. B. and Adam, J. I. (2011) Chemical Fractionation of Lead, Copper, Zinc and Cadmium in Soils along the Highway from Tafo to Aboaso in the Ashanti Region of Ghana. Journal of Science and Technology, 31(3): 48 - 57
26. Voegborlo, R. B., Matsuyama, A., Adimado A. A. and Akagi, H. (2010). Head Hair Total and Methylmercury Levels in some Ghanaian Individuals for the estimation of their exposure to mercury: Preliminary Studies. Bull Environ Contam Toxicol 84: 34-38.
27. Voegborlo, R. B. and Adimado, A. A. (2010). A simple classical wet digestion technique for the determination of total mercury in fish tissue by cold vapour atomic absorption spectrometry in a low technology environment. Food Chemistry, 123: 936-940
28. Voegborlo, R. B. and Adimado, A. A. (2010) Distribution of Total Mercury in Different Species of Fish representing Different Trophic Levels. Journal of Science and Technology, 30 (1): 1 – 9.
29. Oppong, S. O. B., Voegborlo, R. B., Agorku, S. E. and Adimado, A. A. (2010). Total Mercury in Fish, Sediments and Soil from the River Pra Basin, Southwestern Ghana. Bulletin of Environmental Contamination and Toxicology, 85 (3): 324 - 329
30. Agorku, E. S., Voegborlo, R. B and Adimado, A. A. (2009). Total Mercury levels in nine species of freshwater fish from two hydroelectric reservoirs and a crater lake in Ghana. Environmental Monitoring and Assessment, 153:383-389
31. Voegborlo, R. B., Agorku, S., Buabeng-Acheampong, B. and Zogli, E. (2008). Total Mercury Content of Skin Toning Creams and the Potential Risk to the Health of Women in Ghana. Journal of Science & Technology, 28:88-96
32. Voegborlo, R. B. and Chirgawi, M. B. (2007). Heavy Metals Accumulation in Roadside Soil and Vegetation along a Major Highway in Libya. Journal of Science & Technology, 27 (3); 87 – 97
33. Voegborlo, R. B. & Akagi, H. (2007) Determination of Mercury in Fish by Cold Vapour Atomic Absorption Spectrometry using an Automatic Mercury Analyzer. Food Chemistry, 100 (2), 853 – 858
34. Voegborlo, R. B., Adimado, A. A. & Ephraim, J. H. (2007) Total Mercury Distribution in different tissues of Frigate Tuna (Auxis thazard thazard) from the Atlantic Coastal Waters of Ghana, Gulf of Guinea. Environmental Monitoring and Assessment, 132, 503 – 508
35. Voegborlo, R. B., Akagi, H., Matsuyama, A., Adimado, A. A. & Ephraim, J. H. (2006) Total Mercury and Methylmercury Accumulation in the Muscle Tissue of Frigate (Auxis thazard thazard) and Yellow Fin (Thunnus albacares) Tuna from the Gulf of Guinea, Ghana. Bull Env Cont & Toxicol., 76 (5), 840 – 847
36. Voegborlo, R. B. & Abdulkabir, M. O. (2006) Effect of Municipal Sewage Effluent on Soil and Crop Plants Cultivated in a Hyper-Arid Zone Sandy Soil. J. Science & Technology, 26 (2), 28 - 32
37. Voegborlo, R. B., Baah, D. A. Kwaansa-Ansah, Adimado, A. A. & Ephraim, J. H. 2004) Mercury Concentrations in Fish Species from the Gulf of Guinea, Ghana. Bull Env Cont & Toxicol., 73, 1057 – 1064
38. Agorku, S., Voegborlo, R. B. & Ephraim, J. H. (2004) Mercury Concentrations in Canned Tuna Fish From Ghana. Materials and Geoenvironment, 51, (1), 335-337      
39. Voegborlo, R. B., Elmethnani, A. M. & Abedin, M. Z. (1999) Mercury, Cadmium and Lead Content of Canned Tuna Fish. Food Chemistry 67, 341-345
40. Voegborlo, R. B. & Abedin, M. Z. (1994) Malathion and Fenitrothion residues in cereals grown in the Fezzan Region, Libya. Sebha Univ. Jour. Part B, Vol 1,
41. Voegborlo, R. B. (1993) Elements in raw leafy vegetables grown in wadi Alshati (Central Sahara) Food Chemistry, 48, 317-319
42. Suliman, M. S. & Voegborlo, R. B. (1989) The effect of smoke particulate pollutant on atmospheric corrosion. Corros. Prev. & Cont., 36, (3), 81-83

CONFERENCES/SEMINARS/WORKSHOPS ATTENDED

1. International Workshop on Health and Environmental Effects of Mercury – Impacts of Mercury from Artisanal Gold Mining in Africa, Dar es Salaam, Tanzania, 19-20 November 2002.
3. 21^st Biennial Conference of the Ghana Science Association at the Kwame Nkrumah University of Science & Technology, Kumasi, 4^th – 7^th August 2003.
4. Conference on the way forward for Ph. D. Studies at KNUST, Great Hall, Conference Hall, Tuesday 27^th January, 2004
5. 1^st Cocobod Conference for Promotion of Local Consumption of Cocoa Products and 24^th Biennial Conference of the Ghana Science Association, Erata Hotel, East Legon and Ghana Institute of Management and Public Administration (GIMPA), Legon, 1^st to 4^th August, 2005
6. 8^th International Conference on Mercury as a Global Pollutant, Madison, Wisconsin, USA, August 6 – 11, 2006.
7. 25^th Biennial Conference of the Ghana Science Association, Cocoa Research Institute of Ghana (CRIG), Tafo Akim and Cocoa College, Bunso, 5^th to 10^th August, 2007.

 Papers in Conference Proceedings

1. Voegborlo, R. B. & El-Methnani, A. M. (2002) Mercury Concentrations in Tuna Fish from the Mediterranean Coast of Libya. Proceedings of the International Workshop on Health and Environmental Effects of Mercury – Impacts of Mercury from Artisanal Gold Mining in Africa, Dar es Salaam, Tanzania, 19-20 November 2002.
2. Voegborlo, R. B. & Amo Sarpong, Y. (2003) Heavy Metal Accumulation in Street Dust Samples from two urban cities in Ghana. A paper presented at the 21^st Biennial Conference of the Ghana Science Association at the Kwame Nkrumah University of Science & Technology, Kumasi, 4^th – 7^th August 2003.
3. Voegborlo, R. B. & Akagi, H (2004) Determination of Mercury in Fish from the Atlantic Coast of Ghana by Cold Vapour Atomic Absorption Spectrometry using an Automatic Mercury Analyzer. Materials and Geoenvironment, Vol 51, No 2, Proceedings of the 7^th International Conference on Mercury as a Global Pollutant, Ljublijana, Slovenia. June 27^th – July 2^nd 2004                                                                                                                  
4. Baah, D. A. Voegborlo, R. B. Kwaansa-Ansah, E. E., Ephraim, J. H. & Adimado, A. A. (2004) Total Mercury Levels in Fish from Akosombo and Kpong Hydroelectric Reservoirs in Ghana. Materials and Geoenvironment, 51, No 2, Proceedings of the 7^th International Conference on Mercury as a Global Pollutant, Ljublijana, Slovenia. June 27^th – July 2^nd 2004  
5. Kwaansa-Ansah, E. E. Voegborlo, R. B., Baah, D. A., Adimado, A. A. & Ephraim, J. H. (2004) Mercury Levels in Fish samples from Lake Bosomtwi in the Ashanti Region of Ghana. Materials and Geoenvironment, 51, No 2, Proceedings of the 7^th International Conference on Mercury as a Global Pollutant, Ljublijana, Slovenia. June 27^th – July 2^nd 2004
6. Voegborlo, R. B., Adimado, A. A. & Ephraim, J. H. (2005) Mercury Distribution in Different Fish Species at Different Trophic Levels from the Atlantic Coast of Ghana. Paper presented at 1^st Cocobod Conference for Promotion of Local Consumption of Cocoa Products and 24^th Biennial Conference of the Ghana Science Association, Erata Hotel, East Legon and Ghana Institute of Management and Public Administration (GIMPA), Legon, 1^st to 4^th August, 2005
7.  Voegborlo, R. B. & Akagi, H. (2005) A Rapid, Simple and Sensitive Method for the Routine Determination of Mercury in Fish Tissue using a Mercury Analyzer. Paper presented at 1^st Cocobod Conference for Promotion of Local Consumption of Cocoa Products and 24^th Biennial Conference of the Ghana Science Association, Erata Hotel, East Legon and Ghana Institute of Management and Public Administration (GIMPA), Legon, 1^st to 4^th August, 2005
8. Voegborlo, R. B., Adimado, A. A. & Ephraim, J. H. (2006) Mercury Distribution in Different Fish Species Representing Different Trophic Levels from the Atlantic Coastal Waters of Ghana. Paper presented at the 8^th International Conference on Mercury as a Global Pollutant, Madison, Wisconsin, USA, August  6 – 11, 2006.
9. Voegborlo, R. B., Akagi, H., Matsuyama, A., Adimado, A. A. & Ephraim, J. H. (2006) Total Mercury and Methylmercury Accumulation in the Muscle Tissue of Frigate (Auxis thazard thazard) and Yellow Fin (Thunnus albacares) Tuna from the Gulf of Guinea, Ghana. Paper presented at the 8^th International Conference on Mercury as a Global Pollutant, Madison, Wisconsin, USA, August 6 – 11, 2006.
10. Voegborlo, R. B., Adimado, A. A. & Ephraim, J. H. (2007) Total Mercury Distribution in different tissues of Frigate Tuna (Auxis thazard thazard) from the Atlantic Coastal Waters of Ghana, Gulf of Guinea. Paper presented at the 25^th Biennial Conference of the Ghana Science Association, Cocoa Research Institute of Ghana (CRIG), Tafo Akim and Cocoa College, Bunso, 5^th to 10^th August, 2007.
11. Smithwick, E. A. H., Hagarty, J., Voegborlo, R. B., Singha, K., Ferring, D., Oppong, J. and Ruckthongroo, W. (2011) Quantifying Environmental and Landscape Drivers of Disease Emergence: Buruli Ulcer in Ghana. American Association of Geographers Annual Meeting, Seattle, U. S. A. April 2011.