Dr. Okonkwo Chibuzor Onyinye
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Dr. Okonkwo Chibuzor Onyinye

Lecturer
Department of Biochemistry, University Of Calabar, Calabar, Nigeria

Highest Degree
Ph.D. in Biochemistry from Michael Okpara University of Agriculture, Nigeria

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Area of Interest:

Biomedical Sciences
100%
Biochemistry
62%
Toxicity
90%
Human Identification
75%
Chemical Biology
55%

Research Publications in Numbers

Books
0
Chapters
2
Articles
28
Abstracts
10

Selected Publications

  1. Okonkwo, C.G., I.A. Uju and R.O. Nwajuonye, 2022. Improvement of three phase induction motor performance using voltage and frequency speed control techniques. J. Eng. Res. Rep., 22: 19-31.
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  2. Ashaolu, C.A., C.O. Okonkwo, E. Njuguna and D. Ndolo, 2022. Recommendations for effective and sustainable regulation of biopesticides in Nigeria. Sustainability, Vol. 14. 10.3390/su14052846.
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  3. Abdulhakeem R. Agboola, C.O. Okonkwo, E.I. Agwupuye and G. Mbeh, 2022. Biopesticides and conventional pesticides: Comparative review of mechanism of action and future perspectives. AROC Agric., 1: 14-32.
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  4. Simeon, E.I. and C. Okonkwo, 2021. Neuroprotective potentials of Alstonia boonei extracts on biochemical markers of brain integrity in experimental rats. Trop. J. Nat. Prod. Res., 5: 1106-1109.
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  5. Onyenweaku, E.O., P.A. Ebai, C.O. Okonkwo and W.A. Fila, 2021. Comparative evaluation of the nutrient and anti-nutrient contents of edible flours consumed in Nigeria. Afr. J. Food Agric. Nutr. Dev.. 21: 17254-17271.
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  6. Okonkwo, C.O., G.C. Obinna and O.G. Elayeche, 2020. Production of biodiesel as commodity chemical using plant seed oils and its relevance for nation sustainable development: A review. Global J. Biotechnol. Biochem., 15: 32-43.
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  7. Okonkwo, C.O., E. Onyenweaku and J.O. Uwujibha, 2020. Comparative assessment of nutrient composition of aquacultured and wild catfish (Clarias gariepinus) in cross rivers state Nigeria. Asian J. Fish. Aquat. Res., 10.9734/ajfar/2020/v8i230133.
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  8. Okonkwo, C.O. and P.S. Udodia, 2020. Chemical composition of three different fractions obtained from the leaves of cassia occidentalis. Annu. Res. Rev. Biol., 10.9734/arrb/2019/v34i530163.
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  9. Okonkwo, C.O. and O.C. Ohaeri, 2020. Comparative study of steam distillation and soxhlet for the extraction of botanical oils. Asian J. Biol. Sci., 13: 62-69.
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  10. Okonkwo, C., D. Jain, R.A. Khan and S. Kumar, 2020. Occupational Exposure and Environmental risk factors for Hepatocellular Carcinoma. 1st Edn., ISBN: 9781637457481. .
  11. Okonkwo, C. Onyinye and O.O. Christopher, 2020. Insecticidal oils from the leaves of Cassia occidentalis and Euphorbia milii may induce hormonal changes in rats. Asian J. Biochem., 15: 1-6.
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  12. Egba, S.I, C.O. Okonkwo, J.O. Ogbodo and E. Dike, 2020. Contraceptive potentials of Alstonia boonei via stimulation of increased prolactin synthesis in experimental female wistar rats. J. Cult. Heritage, 1: 43-50.
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  13. Onyinye, O.C., O.O. Christopher and A.J. Item, 2019. Safety of insecticidal oils from Cassia occidentalis and Euphorbia milii on biochemical markers of tissue integrity. Trends Appl. Sci. Res., 14: 303-309.
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  14. Onyinye, O.C. and O.O. Christopher, 2019. Essential oils from the leaves of Euphorbia milii and Cassia occidentalis exert insecticidal action through gene toxicity. Asian J. Biol. Sci., 12: 140-147.
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  15. Okonkwo, C.O. and O.C. Ohaeri, 2019. Mechanism of insecticidal action of oil extracted from the leaves of Cassia occidentalis. Asian J. Agric. Res., 12: 19-24.
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  16. Okonkwo, C.O. and O.C. Ohaeri, 2018. Insecticidal efficacy and chemical composition of hexane oil extracts from the leaves of Euphorbia milii and Cassia occidentalis. Int. J. Biochem. Res. Rev., 23: 1-11.
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  17. Okonkwo, C. and C. Onyeji, 2018. Insecticidal potentials and chemical composition of essential oils from the leaves of phyllanthus amarus and stachytarpheta cayennensis in Nigeria. Int. J. Biochem. Res. Rev., 22: 1-16.
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  18. Okonkwo, C.O. and U.J. Ozoude, 2015. The impact of processing on the nutritional, mineral and vitamin composition of palm kernel nut (Elaeis guineensis). Afr. J. Food Sci., 9: 504-507.
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  19. Okonkwo, C.O. and V.C. Egeolu, 2014. Anti-haemolytic potentials of the ethanolic leaf extract of dracaena arborea on zidovudine-induced hemolysis in wistar albino rats. Int. J. Sci. Technol., Vol. 2. .
  20. Okonkwo, C.O. and U.J. Ozoude, 2014. The impact of processing on the nutrient content, vitamin and mineral composition of African Walnut (Tetracarpidium conophorum). Int. J. Novel Res. Life Sci., 1: 10-16.
  21. Okonkwo, C. and A. Ogu, 2014. Nutritional evaluation of some selected spices commonly used in the South-Eastern part of Nigeria. J. Biol. Agric. Healthcare, 4: 97-102.
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  22. Egba, S.I., I.D. Udom and C.O. Okonkwo, 2014. Comparative effect of oral administration of some dietary lipids on fertility hormones of female wistar albino rats. Global J. Biotechnol. Biochem., 9: 24-29.
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  23. Okonkwo, C.O. and O.C. Ohaeri, 2013. Insecticidal potentials of some selected plants. J. Chem. Pharm. Res., 5: 370-376.
  24. Okonkwo, C.O and A.A. Uwakwe, 2013. The in vitro effects of zidovudine (an antiretroviral drug) on human erythrocyte haemoglobin-S-gelation. J. Pharm. Biol. Sci., Vol. 7. .