Academic Staff

News List


  16 Jan 2017

Dr. (Mrs.) Nnenna Ejije OKORONKWO

Academic Staff

 

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Name: Dr. (Mrs.) Nnenna Ejije OKORONKWO

HOD, PLANT SCIENCE AND BIOTECHNOLOGY

Phone:  +234 (0)803 562 6322, (0)803 550 3974

E-mail:  nnennaejijeokoronkwo@yahoo.com, nnenna.okoronkwo@absu.edu.ng

RANK: Senior Lecturer

AREA OF SPECIALIZATION: Organic/Environmental Chemistry

DATE OF BIRTH: 5th May, 1973

ACADEMIC QUALIFICATIONS

Doctor of Philosophy [Ph.D.] in Organic Chemistry                          2012

Master of Science [M.Sc.] in Environmental Chemistry                    2004

Bachelor of Science [B.Sc.] in Industrial Chemistry,                         1996

 

RESEARCH COLLABORATION

TETFUND Research Assisted Grants (2016)

Principal Researcher

Project Title (i):           Assessment of Potential Values of Locally Sourced Sesamum Seeds.

 

Co-Researcher

Project Title (ii):          Assessment of Polycyclic Aromatic Hydrocarbons Levels in Selected Roasted and Smoked Food Samples.

 

Co-Researcher

Project Title (iii):         Fixed Bed Column Sorption Studies for Removal of Reactive Dyes from Waste Water Using Saw Dust.

 

AWARDS AND RECOGNITION

Best Teacher of the Year, Family Fellowship, CPM Intl., Okigwe Area Hdqtrs       2015

Best Teacher of the Year, Family Fellowship, CPM Intl., Okigwe Area Hdqtrs       2014

Certificate of Merit for Outstanding Research and Presentation at the International Conference for Academic Disciplines, Universitat Autonoma de Barcelona, Spain                            2014

Joint Association of Science Students, ABSU Most Understanding Lecturer Award     2013

Certificate of Achievement for Outstanding Research and Presentation at the International Conference for Academic Disciplines, Katholische Akademie der Erzdiozese Freiburg, Germany 2013

Best Teacher of the Year, Family Fellowship, CPM Intl., Okigwe Area Hdqtrs.      2011

Best Teacher of the Year, Family Fellowship, CPM Intl., Okigwe Area Hdqtrs.      2010

 

PROFESSIONAL MEMBERSHIP

Member, Chemical Society of Nigeria [CSN]                                                            2006

Member, American Chemical Society [ACS]                                                             2005

Member, Nigerian Society for Experimental Biology (NISEB)                             2006

Member, National Association of Women Academics [NAWACS]                       2008

Member, International Research and Development Institute [IRDI]                  2009

 

CURRENT RESEARCH INTEREST

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

PUBLICATIONS

a) Books

  1. Okoronkwo, N. E. (2016). Chemistry of Main Group Elements. Okigwe: Excellent Print Productions Ent.
  1. 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 Theory of Organic Chemistry: Teaching Aid. Aba: Benscopp Publishers.

 

b) Articles in Learned Journals

  1. Nnenna E. Okoronkwo, Nneka Celestina Ifionu (2016). Comparative Study of Fatty Acid Composition of Fatty Acid Composition of Oils Extracted with N-hexane from Selected Plant Oilseeds. Academic Journal of Science, 05(01):447 – 458. Available at universitypublications.net/ajs/0501/html/ajs0501-cont.pdf 
  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. Available at http://www.publicscienceframework.org/journal/cj
  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. Available at http://www.publicscienceframework.org/journal/cj
  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. Available at http://www.aiscience.org/journal/ijpse
  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. Available at http://www.aiscience.org/journal/ijpse
  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. Available at http://www.publicscienceframework.org/journal/jepsd
  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. Available at http://www.aiscience.org/journal/ajfsh
  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. Available at http://www.publicscienceframework.org/journal/phpm
  1. Okoronkwo, E., Igwe J. C., Nnorom I. C. and Uchechukwu F. O. (2015). Removal of Dye from Synthetic Effluents by Adsorption onto Thiolated Bioler Fly Ash. Chem Search Journal, (In press)
  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. Available at http://www.publicscienceframework.org/journal/phpm
  1. C. Igwe, N. E. Okoronkwo and S. I. (2015). Isotherm and Kinetic Studies of Chlorpyrifos Adsorption onto Agricultural by-Products Der Chemica Sinica (in press)
  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. Available at http://www.universitypublications.net/ijas/0703/pdf/B4R448.pdf
  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. Available at http://www.universitypublications.net/ajs/0301/pdf/DE3C27.pdf
  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. Igwe J. C., Okoronkwo, E., Abia A. A. and Ujarah C. E. (2013). Thermodynamics of Heavy Metals (Hg2+, Cd2+ , Fe2+ and Ni2+). Adsorption using Boiler Fly Ash ABSU, JEST (in press)
  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. Available at http://www.globalsciencebooks.info/Online/GSBOnline/images/2011/BBB_5(1)/BBB_5(1)36-45o.pdf
  1. N. E. Okoronkwo, J. C. Igwe and S. E. Ihekweme (2010). Adsorption Studies of Endosulfan, Chlorpyrifos and Monocrotophos Pesticides from Aqueous Solution using Cocoa pod husk. Bioresearch Bulletin 4:51-62.
  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. Available at http://www.globalsciencebooks.info/Online/GSBOnline/images/0812/TAET_2(1)/TAET_2(1)44-48o.pdf
  1. 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. Available at http://www.globalsciencebooks.info/Online/GSBOnline/images/0812/TAET_2(1)/TAET_2(1)49-53o.pdf
  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. 28. 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 Journ. 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

 

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. Paper No. 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

 



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