Chijioke Obinna Ezenwelu is a READER in APPLIED BIOCHEMISTRY Department, Faculty Of Bio-sciences in Nnamdi Azikiwe University
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Address: | Applied Biochemistry, Faculty Of Bio-sciences, Nnamdi Azikiwe University, Awka. |
Faculty/Unit: | FACULTY OF BIO-SCIENCES |
Department/Sub-Unit: | APPLIED BIOCHEMISTRY |
Degrees / Basic Certificates | |
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1 | University of Nigeria, Nsukka. (Doctor of Philosophy, September, 2021) October, 2014 to September, 2021 PhD Biochemistry |
2 | Nnamdi Azikiwe University, Awka. (Master Degree, June, 2013) October, 2009 to November, 2012 M.Sc. Applied Biochemistry |
3 | Nnamdi Azikiwe University, Awka. (Bachelor Degree, July, 2007) October, 2003 to July, 2007 B.Sc. Applied Biochemistry |
1 | Senior Lecturer, Nnamdi Azikiwe University, Awka. October, 2021 to Present |
2 | Lecturer I, Nnamdi Azikiwe University, Awka October, 2016 to September, 2021 |
3 | Lecturer II, Nnamdi Azikiwe University, Awka October, 2013 to September, 2016 |
4 | Assistant Lecturer, Nnamdi Azikiwe University, Awka November, 2012 to September, 2013 |
5 | Graduate Assistant, Nnamdi Azikiwe University, Awka February, 2010 to November, 2012 |
Books | |
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1 | Ezenwelu C.O., Oparaji, E.H.. (2022, July) Properties of Lipase from Aspergillus sp Lambert Academic Publishing |
Book Chapters | |
1 | Ezenwelu, C.O. and Oparaji, E.H.. (2022, February) Toxicity of Heavy Metals Intechopen |
2 | Ezenwelu C.O. (2017, May) The nervous system’ in Ubaoji, K.I.(ed.) Standard Modern Biology. Thinkers publishers, pp 131 - 151 |
3 | Ezenwelu C.O.. (2017, May) ‘The sense organs’ in Ubaoji, K.I.(ed.) Standard Modern Biology. Thinkers publishers, pp 122 - 130 |
Journal Articles | |
1 | Ezenwelu C.O. , Ilechukwu C.C., Iloanya L.E., Onwah J., Chigbo M.C., Oparaji E.H.. (2024, November), "Spectra Analysis of Endocrine Related Compounds and Heavy Metals in Petroleum Hydrocarbon Impacted Soil", Journal of Health and Environmental Research, Vol. 10, (Issue 4), pp 78-84 |
2 | Ezenwelu C.O., Ilechukwu C.C., Chigbo C.M., Okeke C.M., Ngwu O.R., Iloanya E.L. and Oparaji E.H.. (2024, August), "Studies on Divalent Metal Ions Stabilized Lipase from Aspergillus sp.", Enzyme Engineering, Vol. 13, (Issue 3), pp 1-5 |
3 | Ezenwelu C.O., Ilechukwu C.C., Chigbo M.C., Okeke C.M. and Oparaji E.H.. (2024, July), "Quantification of Heavy Metal Bioaccumulation Quotients in Invertebrates from Petroleum Hydrocarbon Impacted Soil", Journal of Industrial Pollution Effects and Control, Vol. 3, (Issue 1), pp 1-10 |
4 | Ezenwelu, C.O., Oladejo, A.A., Okeke, C.M. and Oparaji, E.H.. (2024, May), "Investigation of Seasonal Dynamism of Peroxidase from Strains of Aspergillus sp.", Asian Journal of Microbiology and Biotechnology, Vol. 9, (Issue 2), pp 1-21 |
5 | Ezenwelu, C.O., Okeke, C.M., Udemezue, O.I., Ngwu, O.R. and Oparaji, E.H.. (2024, May), "Palm Oil Mill Effluent Disposal and Its Utilization in Agricultural Soil", Bionature, Vol. 44, (Issue 1), pp 28 - 37 |
6 | Udemezue, O.I., Uba, C.C. Udemezue, O.I., Udenweze, E.C., Ezeadila, J.O. and Ezenwelu, C.O.. (2024, May), "Combined activity of blue vitriol, brimstone and black stone on clinical Candida species isolates using fractional inhibitory concentration Index", International Journal of Biological and Pharmaceutical Sciences Archive, Vol. 7, (Issue 2), pp 50 - 56 |
7 | Ezenwelu C.O., Okeke C.M., Udemezue O.I., Ngwu O.R., Ogana J.I. and Oparaji E.H.. (2024, March), "Assessment of Differential Sheer Stress Indices in Agricultural Soil Receiving Cafeteria Effluent", Rafidain Journal of Science, Vol. 33, (Issue 1), pp 42-48 |
8 | Ezenwelu, C.O, Agu K.I., Ngwu, O.,R., Ogana J. and Oparaji E.H.. (2024, March), "Studies on Kinetic Properties of Aspergillus Producing Peroxidase from Petroleum Hydrocarbon Spilled", Rafidain Journal of Science, Vol. 33, (Issue 1), pp 49-67 |
9 | Ezenwelu C.O., Duruamaku P.U., Udemezue O.I., Agu K.C. and Oparaji E.H.. (2024, April), "Chemical Composition and Microbial Quality Assessment of Conventional Yoghurts within Awka Metropolis", Asian Journal of Research in Biology, Vol. 7, (Issue 1), pp 25-35 |
10 | Ezenwelu C.O., Okeke C.M., Duruamaku P.U., Udemezue O.I., Agu, K.C. and Oparaji, E.H.. (2024, April), "Ecological Significance of Dynamism of Physiologic Variance on Properties of Palm Oil Mill Effluents", Asian Journal of Microbiology and Biotechnology, Vol. 9, (Issue 1), pp 60-67 |
11 | Uwanta, L.I., Okoli, F. A., Anazodo, C., Ozuah C. L., Agu, K.C., Ezeokoli M. C. and Ezenwelu, C. O.. (2024, April), "Comparative Mechanical Properties of Cassava (Manihot Esculenta) and Potato (Ipomoea Batatas) Peel Starch Biodegradable Plastics in Food Packaging", International Journal of Research Publication and Reviews, Vol. 5, (Issue 4), pp 4376 - 4379 |
12 | Ezenwelu, C.O., Okeke, C.M., Udemezue, O. I., Ngwu, O.R., Ogana, J. and Oparaji, E.H.. (2024, April), "Chitosan and its Significant Properties: A Review", ISAR Journal of Agriculture and Biology, Vol. 2, (Issue 4), pp 11-17 |
13 | Udemezue O.I, Ezenwelu C.O, Ikegwuonu E.A. Udenweze E.C., 1 and Nwajiobi F.O.. (2024, April), "Inorganic and organic chemical constituents of trona, alum and palm ash: Potential alternatives to conventional antifungal drugs", International Journal of Science and Research Archive, Vol. 11, (Issue 2), pp 1042-1053 |
14 | Ezenwelu, C.O., Okeke, C.M., Udemezue, O.I., Ngwu, O.R., Ogana, J. and Oparaji, E. H.. (2024, April), "Lipases, Catalytic Cycle and Sources: A Review", ISAR Journal of Agriculture and Biology, Vol. 2, (Issue 4), pp 18-29 |
15 | Anazodo, C.A., Umeoduagu, N.D., Awari, V.G., Okoli, F.A., Nwiyi, I., Agu, K.C., Aniekwu, C.C., Uwanta, L.I., Ezenwelu, C.O.. (2024, June), "EVALUATING THE EFFICACY OF DIFFERENT PRESSURE COOKER STERILIZATION TIMES: AN ALTERNATIVE STERILITY CHECK METHOD", International Research Journal of Modernization in Engineering Technology and Science, Vol. 6, (Issue 6), pp 1885 - 1893 |
16 | Anazodo, C.A., Adepeju, D.M., Okoli, F.A., Obasi, C.J., Abana, C.C., Agu, K.C., Ezenwelu, C.O., Awari, V.G., Umeoduagu, N.D.. (2024, June), "INVESTIGATING THE SUSCEPTIBILITY OF OTOMYCOSIS-CAUSING MICROORGANISMS TO DIFFERENT EAR DROPS", International Research Journal of Modernization in Engineering Technology and Science, Vol. 6, (Issue 6), pp 1958 - 1965 |
17 | Enemali M.O., Asogwa K.K., Ezeigwe C.O. and Ezenwelu C.O.. (2024, June), "The Cushioning Effect of Extracts of Amaranthus Viridis Linn (Green Amaranth) on Acetaminophen-Induced Hepatotoxicity", International Journal of Research and Scientific Innovation, Vol. 11, (Issue 5), pp 1117 - 1128 |
18 | Okwuenu G.N., Igbokwe G.E. and Ezenwelu C.O.. (2023, August), "Prophylactic and Antidiabetic Effect of Andrographis paniculata and its combination with Allium sativum on Blood Glucose Level and some Biochemical Indices in Wistar Rats.", Journal of Advances in Medical and Pharmaceutical Sciences., Vol. 25, (Issue 7), pp 13-26 |
19 | Udemezue O.I., Njoemena U.M., Ikegwuonwu E.A., Ezenwelu C.O, and Ojeah I.K.. (2023, October), "Antimicrobial effects of blue vitriol and brimstone on dental caries isolates", International Journal of Science and Research Archive, Vol. 10, (Issue 1), pp 736 - 741 |
20 | Ezenwelu C.O. , Aribodor O.B., Ezeonyejiaku C.D., Okafor S.I. and Oparaji E.H.. (2022, March), "Assessment of Physicochemical Properties and Microbial Loading Index of Soil Samples from Mgbuka Market, Anambra State", Journal of Environmental Pollution and Management, Vol. 4, (Issue 103) |
21 | Ezenwelu C.O., Ezeonyejiaku C.D., Udemezue O.I., Nwobodo V.O., Oparaji E. H.. (2022, June), "Assessment of Emulsification Potentials and Bio- Diversities of Bacterial Isolates from Bonny Loading Jetty Crude Oil Polluted Soil, Bonny Island, Rivers State", European Journal of Applied Sciences, Vol. 10, (Issue 3), pp 396 - 407 |
22 | Ezenwelu Chijioke O., Oladejo A. Afeez, Obiano U. Anthony, Okoro A. Promise, Ude-Ezika C. Mmesoma, Oparaji E. Henry. (2022, June), "Studies on Properties of Lipase Produced from Aspergillus sp. Isolated from Compost Soil", Advances in Enzyme Research, Vol. 10, pp 49-60 |
23 | Aribodor, O.B., Ezenwelu, C.O., Ezeonyejiaku, C.D., Omeje, K.O., and Udemezue, O.I.. (2021, March), "Treatment Of Dichlorvos Contaminated Soil With Optimized Biostimulant Amendments.", Journal of Environmental Management and Safety (CEPA journal publishers), Vol. 12, (Issue 1), pp 80 - 95. |
24 | Ezenwelu, C.O., Eze, S.O.O., Ezeonyejiaku, C.D., Omeje, K.O., Aribodor, O.B. and Udemezue, O.I.. (2021, March), "Optimization Of Biostimulants For Remediation Of Kerosene Contaminated Soil Using Soil Urease Activity As Indicator.", Journal of Environmental Management and Safety (CEPA journal publishers), Vol. 12, (Issue 1), pp 49 - 63 |
25 | Ezeonyejiaku, C.D, Okoye, C.O and Ezenwelu, C.O.. (2019, August), "Ecological Assessment For Trace Metal Pollution In A Freshwater Ecosystem", International Journal of Ecotoxicology and Ecobiology (Science Publishing Group), Vol. 4, (Issue 3), pp 58 - 65 |
26 | Ezeonyejiaku, C.D, Okoye, C.O and Ezenwelu, C.O.. (2019, August), "Toxicity And Bioaccumulation Studies Of Heavy Metals On A Freshwater Fish.", International Journal of Oceanography & Aquaculture (Medwin publishers), Vol. 3, (Issue 3) |
27 | Ezeonyejiaku, C.D., Ifedigbo, I.I., Okoye, C.O. and Ezenwelu, C.O.. (2019, July), "Cellular Energy Budget In Tropical Freshwater Fish Following Exposure To Sublethal Concentrations Of Cadmium.", Journal of Toxicology and Environmental Health Sciences- (Academic Journal publishers), Vol. 11, (Issue 7), pp 75 - 83 |
28 | Nwajiobi, O.J; Ogbunugafor, H.A; Ezenwelu, C.O; Oche, B; Nwokeke C.C; Ogoke, J.T.. (2016, August), "The Effect Of A Combination D. Dumetorum And V.subterranea Feed On Blood Glucose Level And Serum Lipid Profile In Aloxan- Induced Diabetic Rats.", Journal of Agriculture and Biosciences, Vol. 5, (Issue 3), pp 109 - 112 |
29 | Ezenwelu, C.O; Obiakor, M.O and Ezeonyejiaku, C.D.. (2015, June), "Thiamine And Pyridoxine Supplementations Ameliorate Subchronic Lead Induced Hepatotoxicity And Nephrotoxicity: Single Action And Cocktail Effect Analysis.", Journal of Investigational Biochemistry (Scopemed publishers), Vol. 4, (Issue 1), pp 30 - 35 |
30 | Igbokwe, G.E., Nebo, T.L., Ezenwelu, C.O., Nwajiobi, O.J. and Odili, C.L.. (2015, August), "Proximate Analysis And Mineral Composition Of The Fruiting Body Of Pleurotus Tuberregium (mushroom) Cultivars From South East Nigeria.", The Bioscientist, Vol. 3, (Issue 1), pp 88 - 92 |
31 | Igbokwe, G.E; Adindu, C.S; Odili, C.L; Okeke, D.O. and Ezenwelu, C.O.. (2015, July), "Isolation And Identification Of Photosynthetic Pigments In The Leaves Of Maize (Zea Mays) And Water Leaf ( Talinium Triangulare ).", International Journal of Agriculture and Biosciences, Vol. 5, (Issue 1), pp 29 - 31 |
32 | Obiakor, M.O; Ezeonyejiaku, C.D. and Ezenwelu, C.O.. (2013, May), "Biotoxicity And Eco-Friendly Characterization Of Plant Materials As Green Pesticides For The Control Of Fish Beetles (Dermestes Maculatus)", Journal of Life Science and Biomedicine (Science line Publication), Vol. 3, (Issue 4), pp 300 - 307 |
33 | Obiakor, M.O; Okonkwo, J.C; Ezeonyejiaku, C.D and Ezenwelu, C.O.. (2013, May), "Physicochemical And Heavy Metal Distribution In Freshwater Column: Season-Location Interaction Effects And Public Health Risk", Journal of Life Science and Biomedicine (Science line Publication), Vol. 3, (Issue 4), pp 308 - 317 |
34 | Ezeonyejiaku, C.D; Obiakor, M.O. and Ezenwelu C.O.. (2012, January), "Lethal Influence Of Zinc Exposure To Clarias Gariepinus (Burchell, 1822, Pisces, Clariidae). Journal Of Animal Science Advances; 2(1):177-183.", Journal of Animal Science Advances, Vol. 2, (Issue 1), pp 177 - 183 |
35 | Ezeonyejiaku, C.D; Ebenebe, C.I; 0keke, J.J; Obiakor, M.0. and Ezenwelu C.O. (2012, January), "Substitution Of Lysine With Mushroom (Pleurotus Cystidiosus) In Broiler Chicks’ Diet.", Online Journal of Animal and Feed Research (scienceline Publication), Vol. 2, (Issue 3), pp 240 - 243 |
36 | Ezeonyejiaku, C. D; Obiakor, M. O. and Ezenwelu, C. O.. (2011, July), "Toxicity Of Copper Sulphate And Behavioural Locomoto Response Of Tilapia (Oreochromis Nicoticus) And Catfish (Clarias Gariepinus) Species.", Online Journal of Animal and Feed Research, Vol. 1, (Issue 14), pp 130 - 134 |
37 | Obiakor, M. O., Okonkwo, J. C, Ezeonyejiaku, C.D, and Ezenwelu C. O.. (2010, September), "Genotoxicology: Single And Joint Action Of Copper And Zinc To Synodontis Clarias And Tilapia Nilotica.", Journal of Applied Science & Environmental Management (JASEM), Vol. 14, (Issue 3), pp 59 - 64 |
38 | Obiakor, M. O; Ezeonyejiaku, C. D; Ezenwelu, C. O; Ugochukwu, G. C. (2010, August), "Aquatic Genetic Biomarkers Of Exposure And Effect In Catfish (Clarias Gariepinus, Burchell, 1822)", American Eurasian Journal of Toxicology (IDOSI Publications), Vol. 2, (Issue 4), pp 196 - 202 |
Conference Papers | |
1 | Ezenwelu, C.O., Eze, S.O.O., Ezeonyejiaku, C.D. and Omeje, K.O.. (2020, November), "Remediative Effects Of Optimized Biostimulating Parameters On Glyphosate Contaminated Soil", Annual National Conference on Bioscience and Biotechnology, University of Nigeria, Nsukka. |
2 | Ezenwelu, C.O., Eze, S.O.O., Ezeonyejiaku, C.D., Omeje, K.O., Mogbo, T.C. and Udemezue, O.I.. (2020, November), "Optimization Of Biostimulants For Remediation Of Kerosene Contaminated Soil Using Soil Urease Activity As Indicator.", Annual National Conference on Bioscience and Biotechnology, University of Nigeria, Nsukka. |
3 | Ezenwelu, C.O; Adindu, C.S. and Ezeonyejiaku, C.D. (2018, May), "Bioremediation Of Pesticide Contaminated Soil Using Surfactant, Organic And Nutritional Amendments.", Society of Enviromental Toxicology and chemistry (SETAC) Europe 28th Annual general meeting and conference, Rome. |
4 | Ezenwelu, C.O. , Obiakor, M.O. and Ezeonyejiaku, C.D.. (2015, January), "Subchronic Lead Induced Oxidative Stress To Liver And Kidney In Animal Model And Its Reversibility Following Water-soluble Vitamin Co-administration.", 1st Central and West Africa Society of Enviromental Toxicology and chemistry (SETAC) conference. |
5 | Ezenwelu, C.O; Ogbunugafor, H.A. and Nwajiobi, O.J.. (2015, October), "Comparative Phytochemical And Mineral Profile Of Cooked And Uncooked Pigeon Pea (Cajanus Cajan)", Herbfest Symposium on: Food as Medicine- Utilization and Sustainable Exploitation of African Medicinal Plants and Natural Products. |
Supervisions | |
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1 | "Comparative Studies on the Nutrient Composition and Antioxidant Activities of the Leaf, Pulp and Seed Extracts of Jack Fruit Tree" (2023). Completed Masters project by Umennadi Ruth Ogonna NAU/PG/MSC/2019476014FB |
Grants | |
1 | Awardee: "Treatment of polycyclic aromatic hydrocarbon(PAH) and Dichlorvos contaminated soil with activated carbon, surfactants and inorganic fertilizers using response surface methodology" (December, 2021 to December, 2022). Completed sponsored grant by TETFUND |
2 | Awardee: "Enhanced Bioremediation of Pesticides, Herbicides and Petroleum hydrocarbon contaminated soil with biostimulating agents using experimental design" (June, 2017 to June, 2021). Completed sponsored grant by TETFUND |
3 | Collaborator: "Bioremediation of spent engine and paraquat contaminated soil using earthworm and biostimulating agents." (August, 2017 to August, 2018). Completed sponsored grant by TETFUND |
4 | Awardee: "PhD. training University of Nigeria, Nsukka" (October, 2016 to September, 2021). Completed sponsored grant by TETFUND |
Reviewerships | |
1 | Reviewer, "Response of Mung Bean (Vignaradiata L.) Varieties to Phosphorous Fertilizer rates Under irrigation condition" (December, 2023) |
Examinerships | |
1 | Examiner, "Probiotic Properties and Acceptability of Yoghurt from Commercial Milk Using Isolates from Nono Obtained from Amansea, Anambra State." (November, 2023 to December, 2023). Completed Internal-External Exam |
2 | Examiner, "Biodegradation of Chlorpyrifos Insecticide by Bacteria Isolated from Agricultural Soil of Amansea, Anambra State, Nigeria." (October, 2023 to November, 2023). Completed Internal-External Exam |
3 | Examiner, "Evaluation of Chemical Composition, Proximate Status and Antioxidant Activity of Ethanol Extract of Gongronema Latifolium (Benth) leaves" (July, 2023 to August, 2023). Completed Internal-Internal Exam |
4 | Examiner, "Epidemology of Soil- Transmitted Helminth Infections in Umunze Community, Anambra State, Nigeria." (October, 2023 to November, 2024). Completed Internal-External Exam |
Contributions to the University/Society | |
1 | Chairman, "Post Graduate Programme Coordinator for Applied Biochemistry" (January, 2024) |
2 | Chairman, "Biosciences Staff Advisory Committee" (February, 2023) |
3 | Chairman, "Bioscience Staff Student Liason Committee" (February, 2023) |
4 | Member, "University Quality Assurance Committee" (March, 2021) |
5 | ASUU Departmental representative, "Academic Staff Union of Universities" (August, 2019) |
6 | Departmental Staff Adviser, "Applied Biochemistry Department, Nnamdi Azikiwe University, Awka" (August, 2018) |
7 | Member, "Biosciences Faculty Committee on Environmental Sanitation" (August, 2018 to February, 2020) |
8 | Member, "Biosciences Faculty Committee on Utilities" (August, 2018 to February, 2022) |
9 | Member, "Vice chancellor/ Senate committee on SIWES" (September, 2016 to September, 2018) |
10 | Member, "Biosciences Faculty Committee on Environment" (April, 2016 to April, 2020) |
11 | Member, "Biosciences Faculty Examination Monitor" (July, 2015 to July, 2017) |
12 | Chairman, "ICT officer Applied Biochemistry Department" (April, 2015 to January, 2024) |
13 | Member, "Biosciences Faculty Committee on Sanitation" (April, 2014 to April, 2016) |
14 | Departmental time table officer, "Applied Biochemistry Department, Nnamdi Azikiwe University, Awka" (October, 2013 to July, 2021) |
15 | Departmental academic advicer (300 L), "Applied Biochemistry Department, Nnamdi Azikiwe University, Awka" (October, 2012 to October, 2019) |
16 | Departmental examination monitor, "Applied Biochemistry Department, Nnamdi Azikiwe University, Awka" (July, 2012 to July, 2017) |
1 | Full Member, "Society of Enviromental Toxicology and chemistry (SETAC)" (member since 2015), https://www.setac.org/ |
2 | Full Member, "Nigerian Association of Biochemistry and Molecular Biology (NSBMB)" (member since 2013), https://www.nsbmb.com.ng/ |
3 | Full Member, "Foundation For African Development Through International Biotechnology (FADIB)" (member since 2010), https://uia.org/ |