daniel-ikudayisi-olorunfemi
Daniel Ikudayisi Olorunfemi, PhD
Professor of Environmental Toxicology
  • Department of Environmental Management & Toxicology
    University of Benin
    Benin City, Edo State, Nigeria
    Phone: +234 (0) 802 337 2455;
    E-Mail: danfem@uniben.edu

     

Education

2008

Ph.D.  (Cell/Molecular  Biology)

Department  of  Plant  Biology  &  Biotechnology,  University  of Benin, Nigeria

1992

M.Sc. (Plant Physiology/Biochemistry)

Department of Botany, University of Benin, Nigeria

1979

B.Sc. (Biochemistry)

Department of Biochemistry, University of Benin, Nigeria


Biography

Daniel Ikudayisi OLORUNFEMI is a Professor and the Pioneer & Current Head, Department of Environmental Management & Toxicology, University of Benin, Benin City, Nigeria. He is a CPD-certified and an accomplished Scientist with formal educational background in Plant, Animal, Environmental Science, Biochemistry and Pollution Studies with over 22 years of combined teaching, research and management experience. He has participated in Environmental Audit Assessment/Field Experience and Horizon Scanning Project Workshops in Nigeria and South Africa.  He is a Consultant and Partner to reputable Environmental and Social Governance (ESG) Service providers. He  has coordinated and taught  several courses, including Cell & Molecular Biology, Environmental Biotechnology, General Cytology, Plant Ecotoxicology, Plant Biochemistry and Methods in Biochemical Analysis in the University of Benin. Currently, he has 61 publications consisting of 2 monographs, a chapter in a book, 54 peer-reviewed articles in foreign, national and local journals and 3 citable peer-reviewed conference proceedings. A recipient of research and travel grants, he has attended several international and local scientific conferences in Africa, Asia and Europe where he presented his research findings in Environmental Chemistry and Toxicology, Environmental Plant Physiology, Pollution Studies and Cytogenetic and Molecular Toxicology in plant and animal systems. He is a founding member of the Genetic Toxicology Association of Nigeria (GTAN) and very active in a number of several other learned Societies including the Society of Environmental Toxicology and Chemistry (SETAC), Genetic Toxicology Association of America (GTA), Nigerian  Environmental Society (NES), West African Society of Toxicology (WASOT) and the Society for Experimental Biology of Nigeria (NISEB). His contributions to the field of Environmental Toxicology involving the use of bioassays, biochemical and molecular techniques for the evaluation of toxic effects of the bioavailable fraction  of industrial effluents/wastes are aptly reflected in his publications.

Research Interest

  • Cytogenetic and Molecular Toxicology in plant and animal systems
  • Environmental Chemistry
  • Environmental Plant Physiology and Ecological Risk Assessment.

Scientific Activities

Employment History

2015-Present Professor, Department of Environmental Management & Toxicology, University of Benin, Nigeria
2014-2015 Associate Professor, Department of Environmental Management & Toxicology, University of Benin, Nigeria
2012-2014

Associate  Professor,  Department of  Plant  Biology  &  Biotechnology,  University  of  Benin,
Nigeria

2009-2012 Senior Lecturer, Department of Plant Biology & Biotechnology, University of Benin, Nigeria
2000-2009 Lecturer I, Department of Botany, University of Benin, Nigeria
1997-2000

Lecturer II, Department of Botany, University of Benin, Nigeria

1994-1997 Assistant Lecturer, Department of Botany, University of Benin, Nigeria
1980-1994 Classroom Teacher/Principal II, Edo State Post-Primary Education Board, Benin City

Publications

Monographs

  1. Okieimen, F.E., Olorunfemi, D.I., Duru, E. and Okieimen, E.A. (2016). Environmental Risk Assessment of Mixed Contaminants in Maritime Transportation Wastewater. Divinehope Concepts, Benin City. 96p. ISBN: 978-224-103-9
  2. Okonkwo, M.J., Olorunfemi, D.I. and Okieimen, F.E. (2016). Physicochemistry and Toxicity Potential of Leachate from Open Dump Sites. Divinehope Concepts, Benin City. 80p. ISBN: 978-224-835-5

Book Chapter

  1. Olorunfemi, D.I. (2012). Advanced microscopy, isotopy  and photomicrography. In: Okhuoya, J.A., Okungbowa, F.I. and Shittu, H.O. (Eds.). Biological Techniques and Applications – A Comprehensive Teaching Manual, Department of Plant Biology and Biotechnology, University of Benin, Benin City, Nigeria. Uniben Press, Benin City. pp. 268-298.

Peer-reviewed Research Papers

  1. Olorunfemi, D.I., Onoriode, M.I. and Awala, V.R. (2016). Toxicity bio-indices as indicators of water portability. African Scientist, 17(3): 203-211
  2. Egboduku, W.O. and Olorunfemi, D.I. (2016). The effects of ballast water from brackish water and observed temperature variation on the growth and development of red pepper (Capsicum frutescens L.). Nigerian Journal of Science and Environment, 14(1): 117-124.
  3. Okonkwo, M.J., Olorunfemi, D.I.  and Okieimen, F.E. (2016a). Toxicity  potential of leachate  from open dumps. Physic-chemical properties and heavy metal content. Nigerian Journal of Applied Science, 34: 16-21.
  4. Okonkwo, M.J., Olorunfemi, D.I. and Okieimen, F.E. (2016b). Toxicity potential of leachate from open dumps.Part 2: Germination and plant growth studies. Nigerian Journal of Applied Science, 34: 61-69.
  5. Okonkwo, M.J., Olorunfemi, D.I.  and Okieimen, F.E. (2016c). Toxicity potential of  leachate from open dumps.Part 3: Cytotoxic and genotoxic effects. Nigerian Journal of Applied Science, 34: 123-130.
  6. Olorunfemi, D., Efechuku, U. and Esuana, J. (2015). Toxicological evaluation of drinking water sources in some rural communities in southern Nigeria after mycofiltration treatment. Polish Journal of Environmental Studies, 24(3): 1205-1212
  7. Olorunfemi, D.I., Okieimen, E.A. and Muokebe, I. (2015). Evaluation of bilge water-induced plant genotoxicity using randomly amplified polymorphic DNA (RAPD). Ife Journal of Science, 17(1): 121-129
  8. Olorunfemi, D.I., Okieimen, E.A. and Ayemoba, G. (2015). Estimation of acute toxicity of bilge water to the African catfish [Clarias gariepinus (Burchell1822)] juveniles. Ife Journal of Science, 17(2): 409-414
  9. Olorunfemi, D.I., Olomukoro, J.O. and Anani, O.A. (2015). Evaluation of toxicity potential of process water using fish acute toxicity and micronucleus tests. Studia Universitatis “Vasile Goldiş”, Seria Ştiinţele Vieţii, (Life Sciences Series), 25(1): 5-10
  10. Olorunfemi, D.I., Taiwo, M.O. and Olorunfemi, O.P. (2015). Assessment of DNA damage in onion
  11. root cells exposed to contaminated rural water sources using RAPD markers. Studia Universitatis “Vasile Goldiş”, Seria Ştiinţele Vieţii, (Life Sciences Series), 25(1): 27-34
  12. Olorunfemi, D.I., Olomukoro, J.O. and Anani, O.A. (2015). Toxicity evaluation and cytogenetic screening of process water using a plant bioassay. Nigerian Journal of Basic and Applied Science, 23(1): 31-37
  13. Olorunfemi, D.I., Okieimen, E.A. and Onoberhie, A.G. (2015). Genotoxicological evaluation of a brewery effluent in Benin City on Allium cepa DNA using the RAPD technique. Nigerian Journal of Life Sciences, 5(1):121-130
  14. Daniel I. Olorunfemi, Loveth Duru and Oyime P. Olorunfemi (2015). Genotoxic effects of bilge water on   mitotic activity in Allium cepa L. Caryologia: International Journal of Cytology, Cytosystematics and Cytogenetics. 68(4): 265-271.
  15. Timothy, O., Idu, M., Olorunfemi, D.I. and Ovuakporie-Uvo (2014). Cytotoxic and genotoxic properties of leaf extract of Icacina trichantha Oliv. South African Journal of Botany, 91: 71-74
  16. Olorunfemi, D.I., Olorunfemi, O.P. and Agbozu, I.E. (2014). Genotoxicity assessment  of contaminated drinking water sources in a rural community in Edo State of Nigeria. Journal of Geoscience and Environmental Protection, 2: 52-59
  17. Olorunfemi, D.I., Osaigbovo, A.I. and Nweke, N.M.E. (2014). Phytotoxic effects of bilge water on physiological characteristics of four vegetable plants. Nigerian Journal of Botany, 27(1): 73-82
  18. Akpaja, E.O. and Olorunfemi, D.I. (2014). Mycofiltration effectiveness in bioremediation  of contaminated drinking water sources. Ife Journal of Science, 16(3): 533-543
  19. Olorunfemi,   D.I., Olomukoro, J.O. and Anani, O.A. (2014).   Acute toxicity of produced water on Clarias gariepinus juveniles. Studia Universitatis “Vasile Goldiş”, Seria Ştiinţele Vieţii, (Life Sciences Series), 24(3): 299-303
  20. Olorunfemi, D.I., Okieimen, E.A. and Ovwemuvwose, J. (2014). DNA integrity of onion (Allium cepa L.) root cells exposed to ballast water. Studia Universitatis “Vasile Goldiş”, Seria Ştiinţele Vieţii, (Life Sciences Series), 24(3): 305-309
  21. Olorunfemi, D.I., Okieimen, E.A. and Otaniyen, O. (2014). Acute toxicity of ballast water on Clarias gariepinus juveniles. Nigerian Journal of Life Sciences, 4(2): 135-139
  22. Olorunfemi,  D.I.,  Lelekume,  E.   and  Ubah,  M.  (2014).  Toxicity  assessment  of  bioremediated contaminated  domestic  water  sources  in  Western  Niger-Delta  by  a  phytogenotoxicity  test.  Nigerian Journal of Life Sciences, 4(2): 140-150
  23. Olorunfemi, D.I., Agbozu, I.E. and Ajokporise,  A.  (2014).  Physico-chemical  assessment  and phytotoxic effects of produced water on seed germination and seedling growth of  Zea mays L.  and Arachis hypogaea L. Bioscience Research Journal, 26: 1-7
  24. Olorunfemi, D.I., Ofomata, C.R. and Alimba, C.G. (2013). Cytogenotoxicity assessment of a University borehole water supply using the Allium cepa test. Journal of Scientific Research and Development, 14: 25-34
  25. Olorunfemi, D.I. and Idada, U.S. (2013). Germination and seedling growth of Zea mays L., Sorghum bicolor  L.  and  Pennisetum  americanum  L.  under  varying  concentrations  of  bilge  water.  Journal  of  Science Research, 12: 127-136
  26. Olorunfemi, D.I., Tudararo-Aherobo, L., Salawu, T. and Ofomata, R. (2012). Toxicological assessment of drinking water samples from Ubeji community using the onion apical  root  meristem.  Journal  of Nigerian Environmental Society, 7(1): 57-67
  27. Olorunfemi, D.I., Ofomata, C.R. and Okieimen, F.E. (2012). Physicochemical evaluation and genotoxic effects of borehole water on root tips of onion. Nigerian Journal of Applied Science, 30: 111-118
  28. Olorunfemi, D.I. and Osaretin, O.I. (2012). In situ assessment of genotoxic hazards of selected hand-dug well water samples in Uhunwonde Local Government Area of Edo State. Nigerian Journal of Applied Science, 30: 150-157
  29. Daniel Olorunfemi, Esther Duru and Felix Okieimen, F.E. (2012). Induction of chromosome aberrations in Allium  cepa L. root tips on exposure to ballast water. Caryologia: International  Journal of Cytology, Cytosystematics and Cytogenetics, 65(2): 147-151
  30. Olorunfemi, D.I., Agbozu, I.E. and Osazuwa, O.O. (2012). Impact of bilge water on seed germination and seedling growth of some vegetable plants. NISEB Journal, 12(2): 81-85
  31. Olorunfemi, D.I., Tudararo-Aherobo, L., Amadasun, O. and Ofomata, R. (2012). Biochemical effects and genotoxic evaluation of Warri Refinery and Petrochemical Company (WRPC) wastewater. NISEB Journal, 12(2): 87-95
  32. F.E Okieimen, E.C. Duru, and D.I. Olorunfemi (2012). Comparative evaluation of physicochemical and microbiological  characteristics of ballast water  samples from three oceanic vessels. Journal of the Chemical Society of Nigeria. 37(2): 87-92
  33. Olorunfemi, D.I., Jegede, G. and Nnakwe, C.C. (2012). Cytogenetic study of raw leachates from some urban waste dumpsites on Allium cepa. Journal of Nigerian Environmental Society, 7(3): 59-66
  34. Olorunfemi, D.I. and Afobhokhan, C.O. (2012). Effect of selected vegetable oils on the cyanide level of cassava (Manihot esculenta Cranz). Ife Journal of Science, 14(2): 259-267
  35. Olorunfemi, D.I., Omo-Ataga, S.O. and Ofomata, R.C. (2012). Studies on the physicochemical properties and genotoxicity of effluents from a dairy industry. Bayero Journal of Pure and Applied Sciences, 5(2): 11-18.
  36. Olorunfemi, D.I., Okoloko, G.E., Bakare, A.A. and Akinboro, A.  (2011)  Cytotoxic  and  genotoxic effects of cassava effluents using the Allium cepa assay. Research Journal of Mutagenesis, 1: 1-9.
  37. Olorunfemi, D.I., Ogieseri, U.M. and Akinboro, A. (2011) Genotoxicity screening of industrial effluents using onion bulbs (Allium cepa L.) Journal of Applied Science and Environmental Management, 15: 211- 216.
  38. Olorunfemi, D.I. and Lolodi, O. (2011). Effect of cassava processing effluents on antioxidant enzyme activities in Allium cepa L. Biokemistri, 23(2): 49-61.
  39. Olorunfemi, D., Akpaja, E. and Ijato, T.B. (2011). Cytotoxic properties of the mushroom Ganoderma
  40. lucidum (Curtis) P. Karst. Nigerian Journal of Life Sciences, 1(1):67-73.
  41. Olorunfemi, D.I., Duru, E.C. and Okieimen, F.E. (2011). Comparative germination profiles of some arable crops in ballast water. Bioscience Biotechnology Research Communications, 4(2): 127-133.
  42. Olorunfemi, D.I. and  Ogunsanwo, M.W. (2011).   Evaluation of the differential growth conditions, heavy metal composition and cytogenetics of Allium cepa by the use of chromosome aberration bioassay. Science World Journal, 6(2):21-25.
  43. Olorunfemi D.I., Akpaja, E.O. and Agbi, B.O. (2011). Cytological and toxicological properties of a medicinal mushroom in Southern Nigeria. Nigerian Journal of Pharmaceutical and Applied Science Research, 1(1): 36-43.
  44. Duru, E.C., Okieimen, F.E and Olorunfemi, D.I. (2011). Physicochemical and microbiological evaluation of ballast water. ChemTech Journal, 7:1-9.
  45. Olorunfemi, D.I. and Ehwre E.O. (2010). Chromosomal aberrations induced in root tips of Allium cepa by squeezed garri extracts. Report and Opinion 2(12):166-171
  46. Olorunfemi, D.I., Emoefe, E.O. and Okieimen, F. (2008). Effect of cassava processing effluent on seedling height, biomass and chlorophyll content of some cereals. Research Journal of Environmental Sciences, 2(3): 221-227.
  47. Olorunfemi, D.I., Obiaigwe, H. and Okieimen, F.E. (2007). Effect of cassava processing effluent on the germination of some cereals. Research Journal of Environmental Sciences, 1(4): 166-172
  48. Olorunfemi, D.I., Dede, A.P.O. and Idu, M. (2006). Production of fermented cereal powders. Natural Product Radiance, 5(2): 90-94.
  49. Osawaru, M.E., Idu, M. and Olorunfemi, D.I. (2004). Epidermal morphology and ontogeny of stomata in Boerhavia species (Nyctaginaceae). Benin Science Digest, 2: 35-38.
  50. Idu, M. and Olorunfemi, D.I. (2000). Comparative growth studies of Gossypium hirsutum L. and Gossypium barbadense L. Changing pattern in dry weight of five varieties. Journal of Science, Engineering and Technology, 7(1): 2304-2310.
  51. Idu, M., Olorunfemi, D.I. and Omonhinmin, A.C. (2000). Systematics value of stomata in  some Nigerian hardwood species of Fabaceae. Plant Biosystem, 34(1): 53-60.
  52. Idu, MacDonald and D.I. Olorunfemi (2000). Plants used for medicinal purposes by the Koma people of Adamawa State, Nigeria. Indigenous Knowledge and Development Monitor 8(3): 18.
  53. Idu, M. and Olorunfemi, D.I. (1999). Effect of some monovalent and divalent cations and their interaction with abscisic acid in the regulation of stomatal aperture in Boerthavia L. Global Journal of Pure and Applied Sciences, 5(2): 174-178.
  54. Idu, M.,Omonhinmin, A.C. and Olorunfemi, D.I. (1999). Traditional use of sorrel drink (Hibiscus sabdariffa) for hypertension in Northern Nigeria. Ethnobotany, 11: 105-106
  55. Idu, M. and Olorunfemi, D.I. (1998). Germination of the seeds Afromomum melegueta, K. Schum (Zingiberaceae). Journal of Applied Science, 1: 111-118.
  56. Idu, M., Olorunfemi, D.I. and Aihiokhai, M.A. (1997). Stomatal distribution and size in some Nigerian hard wood. 2. The family Meliaceae. The Malaysian Forester, 60(4): 229-236.
  57. Idu, M. and Olorunfemi, D.I. (1992). A quantitative approach to establish the efficacy of  herbal remedies: a case study on the Koma tribe. Nigerian Journal of Applied Science, 10: 78- 83.

Citable Peer-reviewed Conference Proceeding Papers

  1. Olorunfemi, D.I., Okieimen, E.A. and Esevbode, M.E. (2016). Application of random amplified polymorphic DNA (RAPD) to detect genotoxic effects by cassava effluents. Conference Proceedings of the 8th International Toxicology Symposium in Africa (Jointly hosted by Zagazig University in Egypt and Hokkaido University in Japan). Sponsored by Japan Society for the Promotion of Science. 29th - 31st August, 2016. Gawharat Al Ahram hotel, Giza, Egypt. pp. 45-47.
  2. Olorunfemi, D.I., Okieimen, E.A., Aula, P.O. and Ezemonye, L.I. (2015). Evaluation of acute toxicity, micronuclei abnormalities and oxidative stress of effluents from a paint manufacturing industry in Midwestern Nigeria. Conference Proceedings of the 7th International Toxicology Symposium in Africa (Jointly hosted by University of Johannesburg and North-West University in South Africa and Hokkaido University in Japan). Sponsored by Japan Society for the Promotion of Science. Garden Court, O.R. Tambo International Airport, Johannesburg, South Africa. 28th August - 2nd September, 2015, pp. 14-15.
  3. Olorunfemi, D.I. and Okieimen, F.E. (2011). Preliminary studies on induced chemical mutagenesis in Solanum L. Conference Proceedings of the 35th Annual Conference of Genetics Society of Nigeria, 10th - 14th October, 2011, Ahmadu Bello University, Zaria, Nigeria. pp. 225-232.

Selected Conference Papers (in the Last 3 Years)

  1. Olorunfemi, Daniel I., Taiwo, Modupe O. and Aula, Oyime P. (2016). Detection of an Abattoir Effluent-Induced DNA Damages in Southern Nigeria using RAPD Markers. 7th International Conference and Exhibition on Water, Wastewater and Environmental Monitoring (WWEM), Telford International Centre, Telford, Shropshire, England. 2-3 November, 2016.
  2. Olorunfemi, Daniel I., Akpaja, Emmanuel and Okoruwa, Charles (2016). Evaluation of mycofiltration efficiency for the bioremediation of contaminated drinking water. 39th Water, Engineering and Development Centre (WEDC) Loughborough University Leicestershire, UK. International Conference, Kumasi, Ghana 11-13 July, 2016
  3. Olorunfemi. D.I., Ofomata, C.R. and Taiwo, M.O.: Application of Random Amplified Polymorphic DNA (RAPD) to Detect Genotoxic Effect of Incinerated Ash Leachate in Onion (Allium cepa L.) Roots. 5th International Conference, West African Society of Toxicology (WASOT), University of Benin, Benin City, Nigeria. 9-12 February 2016.
  4. Okieimen, E.A., Olorunfemi D.I. and Uwenedi, G.N.: Genotoxic Effect of Aqueous Leaf Extract of Cascabela thevetia on Allium cepa Root Cells. 5th International Conference, West African Society of Toxicology (WASOT), University of Benin, Benin City, Nigeria. 9-12 February 2016.
  5. Olorunfemi, D.I., Coo, A. and Ofomata, R.: Toxicological evaluation of a bottling plant effluent using cytogenetic and molecular techniques. Society of Environmental Toxicology and Chemistry (SETAC) Africa 7th Conference and Horizon Scanning Project Workshop, Langebaan, South Africa. 5-8 October, 2015.
  6. Olorunfemi, Daniel I., Okieimen, Ehiaghe A., Aula, Poise O. and Ezemonye, Lawrence I.: Evaluation of acute toxicity, micronuclei abnormalities and oxidative stress of effluents from a paint manufacturing industry in Midwestern Nigeria 7th International Toxicology Symposium in Africa (Jointly hosted by University of Johannesburg and North-West University in South Africa, and Hokkaido University in Japan). Sponsored by Japan Society for the Promotion of Science. Garden Court, O.R. Tambo International Airport, Johannesburg, South Africa. 28 August - 2 September, 2015.
  7. Daniel  Olorunfemi,  Romeo  Ofomata  and  Poise  Olorunfemi  Aula:  Toxicity  evaluation  of  paint effluents after myfiltration treatment. 15th Annual Scientific Conference and General Meeting, Society for Experimental Biology of Nigeria (NISEB), University of Uyo, Uyo, Nigeria. 5-8 May, 2015.
  8. Olorunfemi, D.I., Idu, M., Ofomata, C.R. and Ubaeze, O.: Cyto-genotoxicological effects of aqueous leaf extracts of Alchornea cordifolia on root tips of Allium cepa. 14th Annual Scientific Conference and General Meeting, Nigerian Society for Experimental Biology (NISEB), Ladoke Akintola University of Technology, Ogbomoso, Nigeria. 5-8 May, 2014.
  9. Olorunfemi, D.I. and Egboduku, W.O.: The effects of ballast water and temperature variation on the growth and development of red pepper (Capsicum frutescens). 14th Annual Scientific  Conference  and General Meeting, Nigerian Society for Experimental Biology (NISEB), Ladoke Akintola University of Technology, Ogbomoso, Nigeria. 5-8 May, 2014.
  10. Olorunfemi, D.I. and Duru, L.: Effect of bilge water on mitosis and antioxidant enzyme activities in Allium cepa L. Society of Environmental Toxicology and Chemistry (SETAC) Europe 24th Annual Meeting, Congress Centre, Basel MCH Messe Schweiz (Basel) AG, Messeplatz, Basel, Switzerland. 11- 15 May, 2014.
  11. Olorunfemi, D.I., Olorunfemi, O.P. and Agbozu, I.E.: Physicochemical and genotoxicity assessment of contaminated drinking water sources in a rural community in Edo State of Nigeria. International Conference on Environmental Pollution and Public Health (EPPH 2014), Grand Mercure Baolong Hotel, Shanghai, Peoples’ Republic of China, 12-14 April, 2014.
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