Menu




Academic Staff

  16 Jan 2017

Dr Mrs Nnenna E.Okoronkwo

 nnenna e

 

NAME: DR. (MRS.) N. E. OKORONKWO

Address: Pure and Industrial Chemistry Department,

Faculty of Biological and Physical Sciences

Abia State University, Uturu, Nigeria.

 

RESEARCH ACTIVITIES/INTEREST

In focus:         Natural Products Discovery, Isolation and Characterization

 

Other Areas of Research Interest

  • Environmental Remediation and Environmental Pollution Studies/Monitoring
  • Food and Water Analysis.
  • Adsorption of Contaminants by Natural/Agricultural Wastes as Adsorbents.

 

PUBLICATIONS:

  1. a) Books
  2. Okoronkwo, N. E. (2013). Introduction to Natural Product Chemistry. Okigwe: Excellent Print Productions Ent.

 

  1. Okoronkwo, N. E., Eze, S. O. and Nweke, N. (2013). Experimental Organic Chemistry II. Okigwe: Excellent Print Productions Ent.

 

  1. Onuoha N. I., Igwe J. C., Nnorom I. C. and Okoronkwo, N. E. (2007). Introductory Organic Chemistry. Okigwe: Whitem Publishers.

 

  1. Okoronkwo, N. E. (2004). A Guide to an aspect of Inorganic Chemistry. Aba: Benscopp Publishers.

 

  1. Okoronkwo, N. E. (2004). A Guide to Theory of Organic Chemistry: Teaching Aid. Aba: Benscopp Publishers.

b) Journals

  1. Nnenna E. Okoronkwo, Michael O. Ajomiwe, Chioma A. Ike-Amadi (2015). Comparative Study of Fatty Acid Composition of Dennettia tripetala Leaves Extracted with Different Solvents. Chemistry Journal, 1, No. 2, 2015, pp. 35-40.

 

  1. Nnenna E. Okoronkwo, JohnBull O. Echeme (2015). Isolation and Characterisation of Compound from Stachytarpheta cayennensis (Rich.) Vahl Leaves. Chemistry Journal, 1, No. 3, 2015, pp. 74-80.

 

  1. Nnenna E. Okoronkwo, Kingsley A. Mbachu, Ada B. Nnaji, and Okwuchukwu S. Igboanugo (2015). Evaluation of Chemical Compositions and Antimicrobial Activities of Acalypha ciliata International Journal of Plant Research. Vol. 1, No. 3, pp. 67-71.

 

  1. Nnenna E. Okoronkwo, Kingsley A. Mbachu, and Nnaukwu N. C. (2015). Evaluation of Chemical Compositions and in vitro Antimicrobial Activity of Extracts from Dennettia tripetala International Journal of Plant Research. Vol. 1, No. 3, pp. 72-80.

 

  1. Nnenna E. Okoronkwo, Emmanuel C. Onyekwere, and Sunday O. Eze (2015). Dry Season Assessment of Portable Quality of Okpuruala Stream in Okoko Item, Bende LGA of Abia State, Nigeria. Journal of Environment Protection and Sustainable Development, 1, No. 2, pp. 23-28.

 

  1. Nnenna E. Okoronkwo, Isabel C. Emeh, Elendu C. Onwuchekwa (2015). Evaluation of Phytochemical Compositions and Microbial Load of Raw and Traditionally Processed Ricinus communis Seed (Ogiri). American Journal of Nutrition and Food Science, 1, No. 1, 2015, pp. 21-26.

 

  1. Samuel O. Chuwku-Okoronkwo and Nnenna E. Okoronkwo (2015). “Sexual Abuse: Perspective on a Despicable Social Scourge”. Public Health Journal, Vol. 1, No. 2, 2015, pp. 47-52.

 

  1. Samuel O. Chuwku-Okoronkwo and Nnenna E. Okoronkwo (2015). “Examining Culture and Lifestyle in Public Health”. Public Health Journal, Vol. 1, No. 1, 2015, pp. 17-23.

 

  1. E. Okoronkwo, J. C. Igwe and A. A. Abia and I. S. Eze (2014). Studies on the effect of pH and concentration on Heavy Metals (Cd2+ and Hg2+). Journal of Chemical Society of Nigeria (JCSN), Vol. 39, No. 2: 6 – 14.

 

  1. C. Igwe, N. E. Okoronkwo and E. A. Okoli (2014). Adsorption Studies of Chlorpyrifos and Endosulfan Pesticides from Aqueous Solution using Coconut Fibre. Journal of Chemical Society of Nigeria (JCSN), Vol. 39, No. 2: 44 – 52.

 

  1. E. Okoronkwo, J. C. Igwe and U. E. Obasi. (2014). Sorption Isotherm Studies of Cd2+ and Pb2+ from Aqueous Solution using EDTA-Modified Boiler Fly Ash. Journal of Chemical Society of Nigeria (JCSN), Vol. 39, No. 2: 72 – 80.

 

  1. Okoronkwo, N. E.; Osuji Q. and Nwankwo C. C. (2014). Assessment of Potential Values of Sesamum indicum Seed. International Journal of Arts & Sciences, 07(03):19–27.

 

  1. Okoronkwo, N. E.; Mba O. I. and Ajuonuma, D. A. (2014). Evaluation of Polycyclic Aromatic Hydrocarbons Levels in Roasted Food Samples. Academic Journal of Science, 3(1): 1 – 8.

 

  1. Okoronkwo, N. E., Onwuchekwa E. C., Ogbonna C. C. and Uwaga O. O. (2013). Evaluation of Bioactive Compositions and Microbial Activities of Stachytapheta cayennensis (Verbenaceae). PSB Journal of Science. 1 (1): 62 – 74.

 

  1. Okoronkwo, N. E. and Echeme J. O. (2012). Cholinesterase and Microbial Inhibitory Activities of Tetrapleura tetraptera. Journal of Applied and Natural Science. Vol. 4, No. 2, December 2012: 156 – 163.

 

  1. Okoronkwo, N. E.; Echeme J. O. and Onwuchekwa, E. C. (2012). Cholinesterase and Bacterial Inhibitory Activities of Stachytapheta cayennensi. Academic Research International. Vol. 2, No. 3, May 2012: 209 – 217. Available on line: http://www.savap.org.pk

 

  1. Okoronkwo, N. E.; Echeme J. O. and Okwu, D. E. (2012). Macrolide from Tetrapluera tetraptera Root. Academic Research International. Vol. 2, No. 3, May 2012: 200 – 208. Available on line: http://www.savap.org.pk

 

  1. Nwokocha, J. V.; Okoronkwo, N. E.; Eze S. O. and Nwokocha N. J. (2012). Comparison of the Preservative Activities of Alligator Pepper and Ginger Extracts on Zobo Liquor during Storage at Ambient Temperature. Academic Research International. Vol. 2, No. 3, May 2012: 194 – 199. Available on line: http://www.savap.org.pk

 

  1. Okoronkwo, Nnenna E., Igwe, Jude. C. and Aniekwu, Chibuike C. (2011) Effects of Adsorbent Activation on Bioremediation of Hg (II) and Cd (II)  Ions from Aqueous Solution using Boiler Fly Ash. Bioremediation, Biodiversity, and Bioavailability 5 (1), Global Science Books pp 36 – 45

 

  1. Okoronkwo, Nnenna E., Igwe Jude. C. and Uruakpa, Hope. N. (2008) Dye Removal from Waste water by adsorption unto Boiler Fly Ash.  Terrestrial and Aquatic Environmental Toxicology. Global Science Books pp 44 – 48
  2.  Okoronkwo, Nnenna. E.,  Igwe Jude. C. and Ogbonna, Hobby. I. (2008) Detoxification of Hg2+, Cd2+ and Fe2+ from aqueous solution using waste boiler fly ash.  Terrestrial and Aquatic Environmental Toxicology. Global Science Books pp 49 – 53

 

  1. Okoronkwo N. E., Onuoha N. I. and Mba E. (2008). Water Quality: Use of borehole water for domestic purposes.  International Journal of Physical Sciences Vol. 3, No 1 pp 30 – 34

 

  1. Okoronkwo, N. E., Igwe, J. C. and Chukwu C. (2008). Influence of pH and Temperature on dye removal from aqueous solution by adsorption onto waste boiler fly ash. Journal of Scientific and Industrial Studies, Vol. 6, No 1, 49 – 54

 

  1. Okoronkwo, N. E., Igwe, J. C. and Okoronkwo, I. J. (2007). Environmental impact of mercury and its detoxification from aqueous solution. African Journal of Biotech, Vol. 6(4) pp 335 – 340. Available online at http://www.academic journal.org/AJB

 

  1. Onuoha N. I., Umeh A. O. and Okoronkwo, N. E. (2006). Models for evaluating the effects of variation in pH of rain water on the leaching of fertilizer components in soils. Global Journal of Pure and Applied Sciences, Vol. 12 No 4:531 – 537

 

  1.  Okoronkwo, N. E., Odoemelam S. A. and Ano, A. O. (2006). Levels of toxic elements in soils of abandoned waste dumpsite. African Journal of Biotech. Vol. 5(13) pp 1241 – 1244. Available online at http://www.academic journal.org/AJB

 

  1. Okoronkwo, N. E., Ano, A. O. and Onwuchekwa E. C. (2005) Environment health and risk assessment: case study of the use  of an abandoned municipal waste dumpsite for agricultural purposes.  African Journal of Biotech. Vol. 4(11) pp 1217 – 1221. Available online at http://www.academic journal.org/AJB

 

  1. Okoronkwo, N. E., Igwe, J. C. and Onwuchekwa E.C. (2005). Risk and Health Implication of Polluted Soils for Crop Production. African Journal of Biotech. Vol. 4(13) pp 1521 – 15241. Available online at http://www.academic journal.org/AJB

 

INTERNATIONAL CONFERENCE PAPER PRESENTATIONS

  1. Okoronkwo, N. E.; and Nneka Celestina Ifionu. Comparative Study of Fatty Acid Compositions of Oils Extracted with n-Hexane from Selected Plant Oilseeds. International Journal of Arts and Sciences (IJAS) Conference, University of London, UK, 3rd – 6th November, 2015.

 

  1. Okoronkwo, N. E.; Osuji Q. and Nwankwo C. C. Assessment of Potential Values of Sesamum indicum Seed. International Journal of Arts and Sciences (IJAS) Conference, Universitat Autònoma de Barcelona’s Casa Convalescencia campus at Sant Antoni Maria Claret 171, Barcelona, Spain, 16 – 19 June, 2014.

 

  1. Okoronkwo, N. E.; Mba O. I. and Ajuonuma, D. A. Evaluation of Polycyclic Aromatic Hydrocarbons Levels in Roasted Food Samples. International Journal of Arts and Sciences (IJAS) Conference, Katholische Akademie der Erzdiozese, Freiburg, Germany, 3rd – 6th December, 2013.

 

  1. Nnenna E. Okoronkwo, Emmanuel C. Onyekwere and Sunday O. Eze. Dry Season Assessment of Portable Quality of Okpuruala Stream in Okoko Item, Bende Local Government Area of Abia State, Nigeria. 2nd International Conference on Environmental Pollution and Remediation Montreal, Quebec, Canada, 28-30 August 2012.

 

  1. Nnenna E. Okoronkwo, Jude C. Igwe, Innocent C. Nnorom, and Fidelia O. Uchechukwu. Removal of Dyes from Synthetic Effluents by Adsorption onto Thiolated Boiler Fly Ash. 2nd International Conference on Environmental Pollution and Remediation Montreal, Quebec, Canada, 28-30 August 2012.

 

  1. Nnenna E. Okoronkwo, Jude C. Igwe, and Obasi U. E. Sorption Isotherm Studies of Cd2+ and Pb2+ from Aqueous Solutions using EDTA Modified Boiler Fly Ash. 2nd International Conference on Environmental Pollution and Remediation Montreal, Quebec, Canada, 28-30 August 2012.

 

NATIONAL/LOCAL CONFERENCE PAPER PRESENTATIONS

  1. Kalu C. Mba and  Nnenna E. Okoronkwo. Review of Advances on Boron and Boron Compounds Applications. 38th Annual International Conference of CSN, and 5th Congress of FESAC, International Conference Centre, Plot 900, Herbert Macaulay Way, Garki, Abuja, 6th – 11th September, 2015.

 

  1. Nnenna E. Okoronkwo, Kalu C. Mba and Innocent C. Nnorom. Evaluation of Protein Content in Selected Food Samples using Uv-Vis Spectrophotometer. 38th Annual International Conference of CSN, and 5th Congress of FESAC, International Conference Centre, Plot 900, Herbert Macaulay Way, Garki, Abuja, 6th – 11th September, 2015.

 

  1. N. E. Okoronkwo, I. C. Aluma and C. F. Theophilus. Assessment of Polycyclic Aromatic Hydrocarbons (PAHs) Levels in selected Meat Samples. 36th Annual International Conference, Workshop and Exhibition of Chemical Society of Nigeria, Niger 2013: 16 – 20, September.

 

  1. I. J. Agbai, J. C. Igwe and N. E. Okoronkwo. Assessment of Polyaromatic Hydrocarbons (PAHs) Removal from Simulated Effluent using Boiler Fly Ash. 36th Annual International Conference, Workshop and Exhibition of Chemical Society of Nigeria, Niger 2013: 16 – 20, September.

 

  1. N. E. Okoronkwo, J. C. Igwe and I. J. Agbai. Transformations of Polyaromatic Hydrocarbons (PAHs) in Simulated Effluent with Biosorbent. 36th Annual International Conference, Workshop and Exhibition of Chemical Society of Nigeria, Niger 2013: 16 – 20, September.

 

  1. N. E. Okoronkwo, M. O. Ajomiwe and C. A. Ike-Amadi. Comparative Study of Fatty Acid Contents of Dennettia tripetala Leaves from different Solvents. 35th Annual International Conference, Workshop and Exhibition of Chemical Society of Nigeria, Heartland, Owerri, 2012: 17 – 21 September.

 

  1. N. E. Okoronkwo, N. C. Oham J. V. Nwokocha. Preservative Effects of Alligator Pepper and Ginger Extracts on the Microbial and Physicochemical Stability of Zobo Drink. 35th Annual International Conference, Workshop and Exhibition of Chemical Society of Nigeria, Heartland, Owerri, 2012: 17 – 21 September.

 

  1. Okoronkwo N. E., Mbachu A. K. and Nnaukwu N. C. Chemical Compositions and GC/MS Charactrisation of Fatty Acids Content of Dennettia Tripetala Leaves.  International Conference on Sustainable Development, University of Calabar, July 26 – 29, 2011.

 

  1. N. E. Okoronkwo and I. J. Agbai. Women and the Environment: Role of Women in Solid Waste Management. Presented at the National Association of Women Academics [NAWACS] 1st Inter-Disciplinary Colloquium on Gender, Culture and Human Development, at University of Port Harcourt, 4th – 7th March, 2008.

 

  1. Okoronkwo N. E., Onuoha N. I. and Mba E. Water Quality: Use of borehole water for domestic purposes. Second Annual conference of International Research and Development, University of Port Harcourt, 27 – 28 June, 2007.

 

  1. Okoronkwo, N. E., Igwe J. C. and Ogbonna H. I. Detoxification of Hg2+, Cd2+ and Fe2+ from aqueous solution using waste boiler fly ash. 29th Annual International Conference of Chemical Society of Nigeria, Lagos, 26 – 30 September,  2006.

 

  1. Igwe J. C., Okoronkwo, N. E. and Anyaehie E. O. (2006). Prospects of Green Chemistry in Nigeria Chemical Industries: The Way Forward. 29th Annual International Conference of Chemical Society of Nigeria, Lagos, 26 – 30 September, 2006.

 

CONFERENCE PROCEEDINGS

                      1. N. E. Okoronkwo, I. C. Aluma and C. F. Theophilus (2013). Assessment of Polycyclic                                  Aromatic Hydrocarbons (PAHs) Levels in selected Meat Samples, in Proceedings 36th                                Annual International Conference, Workshop and Exhibition of Chemical Society of                                          Nigeria, Vol. 2, (Niger 2013): 605 – 208.

 

  1. I. J. Agbai, J. C. Igwe and N. E. Okoronkwo. Assessment of Polyaromatic Hydrocarbons (PAHs) Removal from Simulated Effluent using Boiler Fly Ash (2013). Proceedings 36th Annual International Conference, Workshop and Exhibition of Chemical Society of Nigeria, Vol. 2, (Niger 2013): 596 – 604..

 

  1. N. E. Okoronkwo, J. C. Igwe and I. J. Agbai. Transformations of Polyaromatic Hydrocarbons (PAHs) in Simulated Effluent with Biosorbent (2013). Proceedings 36th Annual International Conference, Workshop and Exhibition of Chemical Society of Nigeria, Vol. 2, (Niger 2013): 203 – 209.

 

  1. N. E. Okoronkwo, M. O. Ajomiwe and C. A. Ike-Amadi (2012). Comparative Study of Fatty Acid Contents of Dennettia tripetala Leaves from different Solvents, in Proceedings 35th Annual International Conference, Workshop and Exhibition of Chemical Society of Nigeria, Vol. 2, (Heartland 2012): 46 – 49.

 

  1. N. E. Okoronkwo, N. C. Oham J. V. Nwokocha. Preservative Effects of Alligator Pepper and Ginger Extracts on the Microbial and Physicochemical Stability of Zobo Drink, in Proceedings 35th Annual International Conference, Workshop and Exhibition of Chemical Society of Nigeria, Vol. 2, Heartland 2012: 84 – 88.

 

  1. Nnenna E. Okoronkwo, Emmanuel C. Onyekwere and Sunday O. Eze. Dry Season Assessment of Portable Quality of Okpuruala Stream in Okoko Item, Bende Local Government Area of Abia State, Nigeria, in Proceedings of the 2nd International Conference on Environmental Pollution and Remediation Montreal, Quebec, Canada, 28-30 August 2012. Paper No. 192

  1. Nnenna E. Okoronkwo, Jude C. Igwe, Innocent C. Nnorom, and Fidelia O. Uchechukwu. Removal of Dyes from Synthetic Effluents by Adsorption onto Thiolated Boiler Fly Ash, in Proceedings of the 2nd International Conference on Environmental Pollution and Remediation Montreal, Quebec, Canada, 28-30 August 2012. Paper No. 193.

 

  1. Nnenna E. Okoronkwo, Jude C. Igwe, and Obasi U. E. Sorption Isotherm Studies of Cd2+ and Pb2+ from Aqueous Solutions using EDTA Modified Boiler Fly Ash, in Proceedings of the 2nd International Conference on Environmental Pollution and Remediation Montreal, Quebec, Canada, 28-30 August 2012. PaperNo. 194.

  1. Igwe J. C., Okoronkwo, N. E., Abia A. A. and Ujara, C. E. (2011). Thermodynamics of Heavy Metals (HG2+, CD2+ and NI2+) Adsorption using Boiler Fly Ash. Eyo J. E. (ed.) Proceedings of Annual Conference on IRDI Research and Sustainable Development Network, Vol. 6. No. 9. Uyo: International Research and Development Institute [IRDI]/Kan Educational Books, pp 101 – 107

  1. Mbachu A. K. and Okoronkwo N. E. (2011). Nicotine and Health Implications: An Overview. Eyo J. E. (ed.) Proceedings of Annual Conference on IRDI Research and Sustainable Development Network, Vol. 6. No. 8. Uyo: International Research and Development Institute [IRDI]/Kan Educational Books, pp 97 – 101

 

  1. Okoronkwo N. E., Mbachu A. K. and Nnaukwu N. C. (2011). Chemical Compositions and GC/MS Charactrisation of Fatty Acids Content of Dennettia Tripetala Leaves.  In Nekang, Frida Menkan (ed.) Proceedings of International Conference on Sustainable Development, Vol.7. No. 10., Uyo: International Research and Development Institute [IRDI]/Kan Educational Books, pp 18 – 24

 

  1.  Okoronkwo N. E., Onuoha N. I. and Mba E. (2007). Water Quality: Use of borehole water for domestic purposes.  Proceedings of Second Annual Conference of International Research and Development Network, Port Harcourt June 27th – 28th. .Vol. 2, No 5 pp 36 – 40

  1.  Okoronkwo, N. E., Igwe J. C. and Ogbonna H. I. (2006) Detoxification of Hg2+, Cd2+ and Fe2+ from aqueous solution using waste boiler fly ash. Proceedings of the 29th Annual International Conference of Chemical Society of Nigeria, Lagos Abstr. No ENVANAL 43, September 26th – 30th

 

  1. Igwe J. C., Okoronkwo, N. E. and Anyaehie E. O. (2006). Prospects of Green Chemistry in Nigeria Chemical Industries: the way forward. Proceedings of the 29th Annual International Conference of Chemical Society of Nigeria, Lagos Abstr. No ENVANAL 43, September 26th – 30th

 

  1.  Okoronkwo, N. E., Ano, A. O., and Echeme J. O. (2006). Physicochemical properties of municipal waste Dump soil:  Implication for Plant Growth. General papers organized by G. Coimbatore. Symposia paper presented at the Division of Environmental Chemistry, American Chemical Society, Atlanta, March 26 – 30 pp 377 -383

  1.  Okoronkwo, N. E., Onwuchekwa E. C. and Echeme J. O. (2006). Polluted Soil: Impact on Plants and Human Exposure. Environmental Occurrence, Fate and Transport of Chemicals and Nanomaterials, organized by M. J. M Wells. Symposia paper presented at the Division of Environmental Chemistry, American Chemical Society, Atlanta, March 26 – 30 pp 663 – 669

 

  1. Igwe J. C. Abia A. A. Gbaruko B.C and Okoronkwo, N. E., (2006). Studies on the Effects of pH and modification of Adsorbents on As(V) Detoxification from Waste Water using Sawdust and Coconut Fibre. Occurrence, Toxicity and Remediation of Arsenic, organized by G. Coimbatore and R. R. Seshadri. Symposia paper presented at the Division of Environmental Chemistry, American Chemical Society, Atlanta, March 26 – 30 pp 825 – 829

 

MEMBERSHIP OF PROFESSIONAL BODIES WITH DATES

  1. Chemical Society of Nigeria [CSN]                                       2006 –
  2. American Chemical Society [ACS]                                        2005 – 2006
  3. National Association of Women Academics [NAWACS]     2008 –
  4. International Research and Development Institute [IRDI]    2007 –

 

UNIVERSITY/PUBLIC SERVICE

University

  1. Head, Department of Plant Science and Biotechnology 2015/2016
  2. Departmental Liaison Officer, Students Industrial Work
  3. Experience Scheme [SIWES]                                                 2015/2016
  4. Member, Faculty Welfare Committee                        2015-
  5. Member, Faculty Committee  on Reading Materials             2014/2015
  6. Treasurer, Chemical Society of Nigeria, Abia State Chapter 2014-
  7. Treasurer, Abia Sate University Chapter of Academic
  8. Staff Union of Universities                                                    2013 till Date
  9.  Course Adviser                                                                       2012 –
  10.   Departmental Liaison Officer, Students Industrial Work
  11. Experience Scheme [SIWES]                                                 2011/2012
  12. Member, Departmental Courses Review Committee 2007
  13. Course Adviser 2004 – 2007

Public

  1. Marriage Committee Member and Secretary, Christian Pentecostal Mission [CPM], Int’l., Okigwe Area Headquarters 2014 till Date
  2. Church Committee Member and Secretary, Christian Pentecostal Mission [CPM], Int’l., Okigwe Area Headquarters 2013 till Date
  3. iii.        Sunday School Coordinator, Christian Pentecostal Mission [CPM], Int’l., Okigwe Area Headquarters                                                   2013 till Date
  4. Building Committee Member, Christian Pentecostal Mission [CPM], Int’l., (Okigwe Area Headquarters 2013
  5. Unit Teacher – Family Fellowship, Christian Pentecostal Mission [CPM], Int’l., Okigwe Area Headquarters 2010 till Date
  6. Secretary, Alayi Christian Fellowship, Christian Pentecostal
  7. Mission [CPM], Power Zone, Aba                                         2007 – 2009

HONOURS/AWARDS

  1. Best Teacher of the Year, Family Fellowship, CPM Intl. Okigwe.                2015
  2. Best Teacher of the Year, Family Fellowship, CPM Intl. Okigwe.                2014
  3. Joint Association of Science Students, ABSU Most Understanding Lecturer
  4. Award                                                                                                             2013
  5. Best Teacher of the Year, Family Fellowship, CPM Intl. Okigwe.                2011
  6. Best Teacher of the Year, Family Fellowship, CPM Intl. Okigwe.                2010

HOBBIES

Reading, Writing, Teaching and Travelling