Biography

Professor C. O. Nweke received his B. Sc (Hons.) in Microbiology, M. Sc in Industrial Microbiology and Ph. D in Environmental Microbiology from the University of Port Harcourt, Nigeria. He has been involved in teaching undergraduate and postgraduate courses in the area of Analytical and Environmental Microbiology. He has been researching in these areas with special reference to Ecotoxicology and prediction of chemical toxicity to microbes. Due to the complex nature of environmental pollution, Prof. Nweke and his research team are redirecting their efforts to evaluating the toxicity of chemical mixtures to environmental microbial populations using a number of microbiological responses. Statistical models are employed to predict toxicity of chemical mixtures. Prof. Nweke is also interested in biodegradation of pollutants, bioremediation of environmental media and adsorptive removal of pollutants from solutions. Currently, Professor Nweke and members of his research team are working on biphasic dose-response phenomenon (hormesis) in microorganisms and developing statistical models for characterization of hormetic dose-response curves which are applicable to many disciplines. He has over 40 research papers which were published in both local and international journals.

Area of Interest:

Environmental Sciences

100%

Environmental Pollutants

62%

Microorganisms

90%

Chemical Kinetic

75%

Bioremediation

55%

Research Publications in Numbers

Books
0

Chapters
0

Articles
47

Abstracts
0

Selected Publications

Nweke, C.O., O.R. Nwangwu, R.N. Okechi, N.N. Araka and C.J. Ogbonna, 2022. Statistical modeling of hormesis quantities in inverted U-shaped dose-response relationships by reparameterization of a bilogistic model.. J. Environ. Sci. Health, Part A, 57: 1003-1023.
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Enenebeaku, C.K., C.E. Ogukwe, C.O. Nweke, S.O. Anyado-Nwadike and M. Obi et al., 2022. Antiplasmodial and in vitro antioxidant potentials of crude aqueous and methanol extracts of Chasmanthera dependens (Hochst). Bull. Natl. Res. Centre, Vol. 46. 10.1186/s42269-022-00721-3.
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Opurum, C.C., V.M. Onwukwe, C.O.Nweke and I.N. Nwachukwu, 2021. Ni(II) and Co(II) effects on the anaerobic digestion of livestock manure and bi-logistic function model-prediction of biogas production. Issues Biol. Sci. Pharm. Res., 9: 27-37.
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Opurum, C.C., C.O. Nweke, C.E. Nwanyanwu and N.A. Nwogu, 2021. Modelling of biphasic biogas production process from mixtures of livestock manure using bi-logistic function and modified gompertz equation. Annual Res. Rev. Biol., 36: 116-129.
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Opurum, C.C., C.O. Nweke, C.E. Nwanyanwu and N.A. Nwogu, 2021. Kinetics of diauxic biogas production from energy crops: sunflower (Helianthus annus) and napier grass (Pennisetum purpureum) with animal manure. Curr. J. Applied Sci. Technol., 40: 48-58.
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Onumajuru, A.C., J.N. Ogbulie and C.O. Nweke, 2021. Molecular characterization and toxicity of heavy metal quinary mixtures on Enterobacter cloacae isolate from nworie river. Asian J. Biotechnol. Bioresour. Technol., 7: 52-61.
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Okechi, R.N., E.I. Chukwura and C.O. Nweke, 2021. Assessing the toxicities of the binary mixtures of sodium dodecyl sulfate and heavy metals to serratia marcescens (serew01) from otamiri river. Ecotoxicol. Environ. Contam., 16: 45-56.
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Okafor, F.N., M.U. Orji, C.O. Nweke, S.C. Onuorah, B.O. Uba and C.U. Dokubo, 2021. Toxicity of quaternary mixture of formulated glyphosate and phenols on providencia vermicola dehydrogenase activity. Arch. Curr. Res. Int., Vol. 21. 10.9734/acri/2021/v21i430239.
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Nweke, C.O., O.R. Nwangwu, C.J. Ogbonna and R.N. Okechi, 2021. Statistical modeling of effective doses in hormetic dose-response relationships by reparameterization of a bilogistic model for inverted U-shaped curves. Afr. J. Biotechnol., 20: 451-464.
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Okechi, R.N., E.I. Chukwura and C.O. Nweke, 2020. Toxicity of binary mixtures of sodium dodecyl sulfate and heavy metals to Acinetobacter seifertii from tropical river sediment. Bio. Sci. Pharm. Res., 8: 72-84.
CrossRef |
Okechi, R.N., E.I. Chukwura and C.O. Nweke, 2020. Predicting the toxicities of ternary mixtures of two metals and sodium dodecyl sulfate to serratia marcescens (serew01) from otamiri river water. J. Adv. Microbiol., 20: 73-86.
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Nwokorie, R.C., C.O. Nweke, S.I. Umeh and F.C. Ihenetu and O.R. Nlemolisa et al., 2019. Corrosion of high carbon steel by bacteria under aerobic and anaerobic conditions. Mater. Sci. Appl., 10: 227-242.
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Nweke, C.O., S.I. Ueh and V.K. Ohale, 2018. Toxicity of four metals and their mixtures to Pseudomonas fluorescens: An assessment using fixed ratio ray design. Ecotoxicol. Environ. Contam., 13: 1-14.
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Ngumah, C., J. Ogbuli, J. Orji, E. Amadi, C. Nweke and J. Allino, 2018. Optimizing biomethanation of a lignocellulosic biomass using indigenous microbial-cellulases systems. BioTechnologia, 98: 245-255.
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Ambrose, I., C.O. Nweke, S.C.I. Umeh and W. Braide, 2018. Prevalence of bio-aerosols in the outdoor air environment in Uyo Urban, Akwa Ibom state, Nigeria. Int. Res. J. Microbiol., 06: 12-19.
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Nweke, C.O. and C.J. Ogbonna, 2017. Statistical models for biphasic dose-response relationships (hormesis) in toxicological studies. Ecotoxicol. Environ. Contam., 12: 39-55.
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Nweke, C.O., C.C. Ike and C.O. Ibegbulem, 2016. Toxicity of quaternary mixtures of phenolic compounds and formulated glyphosate to microbial community of river water. Ecotoxicol. Environ. Contam., 11: 63-71.
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Nweke, C.O., J.C. Orji and N.C. Ahumibe, 2015. Prediction of phenolic compounds and formulated glyphosate toxicity in binary mixtures using Rhizobium species dehydrogenase activity. Adv. Life Sci., 5: 27-38.
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Nweke, C.O., N.C. Ahumibe and J.C. Orji, 2014. Toxicity of binary mixtures of formulated glyphosate and phenols to Rhizobium species dehydrogenase activity. J. Microbiol. Res., 4: 161-169.
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C.O. Ibegbulem, P.C. Chikezie, C.O. Nweke, C.E. Nwanyanwu, D.C. Belonwu 2014. Effects of Processing Pineapple-Based Must into Wines by Anaerobic Fermentation Am. J. Food Technol., 9: 162-171.
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Nweke, C. and G. Okpokwasili, 2010. Inhibition of dehydrogenase activity in petroleum refinery wastewater bacteria by phenolic compounds. Ambi-Agua, 5: 6-16.
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Nweke, C., 2009. Kinetics of zinc toxicity to environmental bacterial isolates. Ambi-Agua, 4: 23-34.
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