Publications

Publications

 

  1. Ipeaiyeda, A. R. and Onianwa, P. C. (2009). Impact of brewery effluent on water quality of the Olosun river in Ibadan, Nigeria. Chemistry and Ecology, Volume 25, No. 3, 189-204. Read pdf 
  2. Odukoya, O. O., Onianwa, P. C. and Sanusi, O. I. (2009). Effect of highways and local activities on the quality of underground water in Ogun State, Nigeria.A case study of three districts in Ogun State, Nigeria. Environmental Monitoring and Assessment, DOI: 10.1007/s10661-009-1086-3.  Read abstract
  3. Umoren, I. U. and Onianwa P. C. (2005). Concentration and distribution of some heavy metals in urban soils of Ibadan, Nigeria. Pakistani Journal of Scientific and Industrial Research, Vol 48, No. 6, 397-401. Read abstract
  4. Asiagwu, A. K., Ilabor, S. C., Omuku, P. E. and Onianwa, P. C. (2007). Concentration and speciation patterns of some heavy metals in stream sediments in an urban city in Nigeria. Biosciences Biotechnology Research Asia, Vol 4, No. 2, 513-520.
  5. Lalor, G. C., Onianwa, P. C. and Vutchkov, M. K. (2003). Dry ashing preconcentration for micro-reactor based neutron activation analysis of food and plant samples. International Journal of Environmental Analytical Chemistry, Vol 83, No. 5, 367-374. Read abstract
  6. Onianwa, P. C., Odukoya, O. O. and Alabi, H. A. (2002). Chemical composition of wet precipitation in Ibadan, Nigeria. Bulletin of the Chemical Society of Ethiopia, Vol. 16, No. 2, 141-147. Read abstract
  7. Onianwa, P. C., Jaiyeola, O. M. and Egekenze, R. N. (2001). Heavy metals contamination of topsoil in the vicinity of auto-repair workshops, gas stations and motor parks in a Nigerian city. Toxicological and Environmental Chemistry, Vol 84, No. 1-4, 33-39.
  8. Adekunle, I. M. and Onianwa, P. C. (2001). Functional group characteristics of humic and fulvic acids extracted from composts of some agricultural wastes. Nigerian Journal of Science, Vol 35, No. 1, 15-19.
  9. Ajayi, S. O., Odukoya, O. O. and Onianwa, P. C. (2001). Lead contents of human scalp hair in southwestern Nigeria. Nigerian Journal of Science, Vol. 35, No. 2, 183-187.
  10. Onianwa, P. C. and Ajayi, S. O. (2001). Heavy metals contents of roadside mosses in the northern and south-eastern regions of Nigeria. Chemistry and Ecology, Vol 18, No. 3-4, 187-194. Read abstract
  11. Onianwa, P. C. (2001). Roadside topsoil concentrations of lead and other heavy metals in Ibadan, Nigeria. Soil and Sediment Contaminationl, Vol. 10, No. 6, 577-591. Read abstract
  12. Onianwa, P. C., Ipeaiyeda, A. and Emurotu, J. E. (2001). Water quality of the urban rivers and streams of Ibadan, Nigeria. International Journal of Environmental Education and Information, Vol. 20, No. 2, 107-120.
  13. Onianwa, P. C., Fakayode, S. O. and Agboola, B. O. (2001). Daytime atmospheric sulphur dioxide concentration in Ibadan city, Nigeria. Bulletin of the Chemical Society of Ethiopia, Vol. 15, No. 1, 71-77.
  14. Ketiku, A. O., Egbuche, P. and Onianwa, P. C. (1999). Aluminium content of infant foods and beverages in Nigeria. Nigerian Journal of Nutritional Sciences, Vol 19, 35-40.
  15. Fakayode, S. O. and Onianwa, P. C. (2002). Heavy metals contamination of soil, and bioaccumulation in Guinea grass (Panicum maximum) around Ikeja Industrial Estate, Lagos, Nigeria. Environmental Geology, Vol 43, No. 1-2, 245-150.  Read abstract
  16. Onianwa, P. C. and Fakayode, S. O. (2000). Lead contamination of topsoil and vegetation in the vicinity of a battery factory in Nigeria. Environmental Geochemistry and health, Vol. 22, No. 3, 211-218. Read abstract
  17. Onianwa, P. C., Adeyemo, A. O., Idowu, O. E. and Ogabiela, E. E. (2000). Copper and zinc contents of Nigerian foods and estimates of the adult dietary intakes. Food Chemistry, Vol. 72, No. 1, 89-95.
  18. Onianwa, P. C. (2001). Monitoring atmospheric metal pollution: A review of the use of mosses as indicators. Environmental Monitoring and Assessment, Vol. 71, No. 1, 13-50. Read abstract
  19. Onianwa, P. C., Lawal, J. A., Ogunkeye, A. A. and Orejimi, B. M. (2000). Cadmium and nickel composition of Nigerian foods. Journal of Food Composition and Analysis, Vol. 13, No. 6, 961-969.
  20. Onianwa, P. C., Adetola, I. G., Iwegbue, C. M. A., Ojo, M. F. and Tella, O. O. (1999). Trace heavy metals composition of some Nigerian beverages and food drinks. Food Chemistry, Vol. 66, No. 3, 275-279.
  21. Onianwa, P. C. and Essien, C. A. (1999). Petroleum hydrocarbon levels in sediments of stream and rivers within Ibadan city, Nigeria. Bulletin of the Chemical Society of Ethiopia, Vol. 13, No. 1, 83-85.
  22. Onianwa, P. C., Ogunniyi, O. J. and Ogunnowo, A. A. (1999). General physicochemical quality of drinking water in Ibadan, Nigeria. International Journal of Environmental Education and Information, Vol. 18, No. 2, 143-154.
  23. Onianwa, P. C. and Adoghe, J. O. (1997). Heavy metal content of roadside gutter sediments in Ibadan, Nigeria. Environment International, Vol. 23, No. 6, 873-877.
  24. Onianwa, P. C., Ikadeh, G. A. and Nweze, S. E. (1997). Aluminium contents of some raw and processed Nigerian foods. Food Chemistry, Vol. 58, No. 4, 351-353.
    1. Onianwa, P. C. (1995). Petroleum hydrocarbon pollution of urban topsoil in Ibadan city, Nigeria. Environment International, Vol.21, No. 3, 341-343.
  25. Onianwa, P. C., Adeyemi, O. G. and Sofuwa, H. A. A. (1995). Pollution of surface and groundwater around Aperin solid waste landfill site in Ibadan city. Nigerian Journal of Science, Vol. 29, 159-164.
  26. Onianwa, P. C. (1994). Heavy metal pollution around solid waste incineration dumps in Ibadan city. Nigerian Journal of Science, Vol. 28, No. 3, 275-280.
  27. Onianwa, P. C. (1993). Environmental pollution studies in an underdeveloped country (I): Heavy metal pollution in Ibadan, Nigeria. International Journal of Environmental Education and Information, Vol. 12, No. 1, 25-34.
  28. Onianwa, P. C. and Babajide, A. O. (1993). Sulphate-sulphur levels of topsoils related to atmospheric sulphur dioxide pollution. Environmental Monitoring and Assessment, Vol. 25, No. 2, 141-148.
  29. Onianwa, P. C. (1988). Monitoring regional gradients in atmospheric heavy metal pollution: A comparative application of top-soil, epiphytic moss and plant litter as indicators. Environmental Monitoring and Assessment, Vol. 11, 25-31.
  30. Onianwa, P. C. and Ajayi, S. O. (1987). Heavy metal contents of epiphytic acrocarpous mosses within inhabited sites in south-west Nigeria. Environment International, Vol. 13, No. 2, 191-196.
  31. Onianwa, P. C. (1987). A comparative determination of heavy metals in moss tissue by atomic absorption spectroscopy, differential pulse anodic stripping voltammetry, direct current plasma spectroscopy and x-ray fluorescence spectroscopy. International Journal of Environmental Analytical Chemistry, Vol. 28, No. 3, 237-246.
  32. Onianwa, P. C., Ajayi, S. O., Osibanjo, O. and Egunyomi, A. (1986). Sorption and retention of Pb, Cu and Cd ions in three species of mosses used for air pollution studies in Nigeria. Environmental Pollution, Vol. 11, No. 1, 231-238.
  33. Onianwa, P. C., Ajayi, S. O., Osibanjo, O. and Egunyomi, A. (1986). Accumulation patterns of heavy metals in forest mosses from the south-west region of Nigeria. Environmental Pollution, Vol. 11, No. 1, 67-78.
  34. Onianwa, P. C. and Egunyomi, A. (1983). Trace metal levels in some Nigerian mosses used as indicators of atmospheric pollution. Environmental Pollution, Vol. 5, No. 1, 71-81.