PhD in Chemical Pathology 2007 – 2013
Rivers State University, Port Harcourt.

➢ MSc in Chemical Pathology 2004 – 2006
Rivers State University, Port Harcourt

➢ AMLSCN in Medical Lab. Science (Chemical Pathology) 1990 – 1995
University of Nigeria in Affiliation with MLSCN.
➢ WASC (SSCE/GCE) ‘O’ Level 1982 – 1988

English Language, Mathematics, Physics, Chemistry, Biology
Uwani Secondary School, Uwani, Enugu.

➢ First School Leaving Certificate (F.S.L.C) 1976 – 1982
Niger Close Primary School, Uwani, Enugu.

EB Dede, BN Okolonkwo* And AA Ngokere. Toxicological Effects of Paraquat on
the Histology of the Stomach, Small Intestine and Testes of Male Albino Rats (Rattus
norvegicus). PORT HARCOURT MED. J. September 2007, Vol. 2, Number 1; Pages
51 – 55. ISSN: 0785-3038. www.uniportjournals.com/medical.

2. BN Okolonkwo1, EO Nwachuku1, PC Ene1, CU Okeke2. The preventive effect of vitamin C on the cellular and functional integrity of kidney cells in rats following repeated exposure to paraquat. Journal of Xenobiotics, 2014; 4:3945, Pages: 29 – 39. doi:10.4081/xeno.2014.3945.

3. Okeke CU1, Okolonkwo BN2, Brown H2, Ajuru G3. The effects of HIV infection on pregnancy hormones within 28 weeks of pregnancy. Brunei Int Med J. 2015; 11(2): 88 – 92.

4. Ajuru, G1*, Okolonkwo, B2, Okeke, C3 . Studies on lipid profile levels in hypertensive and type 2 diabetes mellitus. American J. of Biomed. and Life Sciences 2014; 2(1): 28- 33; March 20, 2014 (http://www.sciencepublishinggroup. com/j/ajbls) doi: 10.11648/j.ajbls.20140201.15.

5. BN Okolonkwo1*, EO Nwachuku1, PC Ene1, CG Madubuattah2, KC Ugwu3. The Effect of Vitamin C on the Reproductive Functions of Paraquat Intoxicated Male Albino Rats (Rattus norvegicus). STM JOURNALS – Research & Reviews: A Journal of Toxicology ISSN: 2231-3834 (online), ISSN: 2349- 1264 (print), Volume 4, Issue 3 RRJoT (2014) 9-29 © STM Journals 2014. All Rights Reserved www.stmjournals.com.

6. EO Nwachuku1, Okolonkwo BN2, Bartimaeus ES3 , Brisibie N4 . A Comparative Evaluation of Acute Toxicities of Gasoline and Kerosene in Rats Using Haematological Parameters. International Journal of Geology, Agriculture and Environmental Sciences.
Volume 3(5), pp. 1 – 5. October 2015. Website: www.woarjournals.org/IJGAES ISSN: 2348-0254.

7. CU Okeke1, SA Braide2 , BN Okolonkwo2, R Okafor2, PC Eneh2, A Adegoke2, H Brown2 & NB Okwandu3 . Comparative Effects of Injectable and Oral Hormonal Contraceptives on Lipid Profile. EUROPEAN JOURNAL OF CARDIOVASCULAR 9 | P a g e
MEDICINE. (CARDIOVASCULAR RISK FACTORS) VOL II, ISSUE I, Pages 20 –22, 2011. ISSN 2042-4884. DOI:10.5083/ejcm.20424884.64.

8. Okolonkwo BN*, Nwachuku EO and Brisibie N. Antioxidant effects of vitamin e on liver enzymes activities in rats under paraquat insult. Sky Journal of Medicine and Medical Sciences. Vol. 3(9), pp. 128 – 133, December, 2015. Available online http://www.skyjournals.org/SJMMS ISSN 2315-8808 ©2015 Sky Journals.

9. OKOLONKWO, BN* AND IKPEAMA, AR. The Antioxidant Effects of Vitamin C on Liver Enzyme (SGPT) Activity in Rats under Paraquat Toxicity. Annals. Food Science and Tech.; Volume 13, Issue 1, Pages 100 – 104, 2012 Available on-line at www.afst.valahia.ro.

10. BN Okolonkwo1 , PC Eneh2 and V Ibharokhonre3 . Antioxidant Effect of Vitamin C on Lipid Profile Parameters in Paraquat treated Male Rats (Rattus norvegicus). EUROPEAN JOURNAL OF CARDIOVASCULAR MEDICINE (CARDIOVASCULAR RISK FACTORS); VOL II ISSUE IV, Pages 204 – 209, JUNE, 2013. ISSN 2042-4884. DOI: 10.5083/ejcm.20424884.95.

11. BN Okolonkwo1*, CU Okeke2, V Ibharokhonre3 . The in vivo antioxidant effect of vitamin C on haemogram in Paraquat treated male rats (Rattus norvegicus). Journal of Xenobiotics 2013 Vol. 3: e7, Pages 36 – 39. ©Copyright B.N. Okolonkwo et al.,2013. Licensee PAGEPress, Italy Journal of Xenobiotics 2013; 3: e7. doi:10.4081/xeno. 2013.e7

12. BN Okolonkwo*, EO Nwachuku. The antioxidant effects of vitamin C on liver enzymes: aspartate aminotransferase, alanine aminotransferase, alkaline phosphatase and gamma-glutamyl transferase activities in rats under Paraquat insult. Journal of
Xenobiotics; Vol. 3: e5, Pages 24 – 28. ©Copyright B.N. Okolonkwo et al., 2013. Licensee PAGEPress, Italy Journal of Xenobiotics 2013; 3: e5. doi:10.4081/xeno.2013.e5.

13. Okolonkwo, Benjamin Nnamdi. Vitamin C Antioxidant Effect on Gamma – Glutamyl Transferase (Ggt) Activity in Rats under Paraquat Toxicity. IOSR Journal of Pharmacy and Biological Sciences (IOSRJPBS) ISSN: 2278-3008 Volume 1, Issue 4 (July-August 2012), PP 06-09 www.iosrjournals.org.

14. Okolonkwo BN*, Nwachuku EO, Brisbie N. The Acute Toxicological Effects of Paraquat on Male Reproductive Hormones (Testosterone, Luteinizing Hormone and Follicle Stimulating Hormone) of Intoxicated Rats. STM JOURNALS – Research & Reviews: A Journal of Toxicology ISSN: 2231-3834 (online), ISSN: 2349- 1264 (print), Volume 5, Issue 3 RRJoT (2014) 13-16 © STM Journals 2015. All Rights Reserved www.stmjournals.com

15. Nwachuku EO, Okolonkwo BN*, Bartimaeus ES and Brisibie N. Does A Singular Exposure of Male Albino Rats to Kerosene Affect the Liver? PEARL RESEARCH JOURNALS J. Med. Biol. Sci. Res. VOL. 1(8), PP. 112 – 117, October, 2015. ISSN: 2449-1810 http://pearlresearchjournals.org/journals/jmbsr/index.html

16. *Ene PC1 , Ikeanumba MO2 , Okolonkwo BN1 , UgwuKC3 and Umetiti EN4. Bacteriuria amongst Some Selected Public and Private Primary Schools in Port Harcourt Metropolis. WILOLUD J.: Continental J. Med. Res. 7 (2): 9-15, 2013. ISSN: 2141-4211 http://www.wiloludjournal.com DOI:10.5707/cjmedres.2013.7.2.9.15.

17. Okolonkwo, B. N., Jonathan, N., Adjekuko, O. C. and Zebedee, L. U. (2022). Ameliorative effect of vitamin E on paraquat induced haematological disorder in male 10 | P a g e Albino Rats. Biotechnology Journal International; 26(2): 9 – 17. DOI: 10.9734/BJI/2022/v26i230168. https://www.sdiarticle5.com/review-history/86824.

18. Okolonkwo, B. N., Jonathan, N., Adjekuko, O. C. and Zebedee, L. U. (2022). Effects of vitamin E on chronic haematoxicity of paraquat exposed male albino rats (Rattus norvegicus). Archives of current Research International; 22(3): 41 – 47. DOI:10.9734/ACRI/2022/v22i330280. https://www.sdiarticle5.com/reviewhistory/86826.

19. Okolonkwo, B. N., Jonathan, N., Adjekuko, O. C. and Zebedee, L. U. (2022). Synergistic effect of vitamins E and C treatment on paraquat induced Haematoxity in Rattus norvegicus. Advances in Research ; 23(3): 32 – 37. DOI:10.9734/AIR/2022/v23i330334. https://www.sdiarticles5.com/reviewhistory/86825.

20. Okolonkwo, B. N., Amadi. C. F., Chukwubike, U. O. and Nyenke, C. U. (2022). The comparative effects of vitamin E + C on the Chronic Toxicity of paraquat in Albino Rats (Rattus norvegicus). European Journal of Medicinal Plants; 33(6): 7 – 13.
DOI:10.9734/EJMP/2022/v33i630469. https://www.sdiarticle5.com/reviewhistory/86819.

21. Okolonkwo, B. N., Jonathan, N., Adjekuko, O. C. and Zebedee, L. U. (2022). A Biological trial on the effect of vitamin E and C combination Therapy on chronic Paraquat toxicity. Annual Research & Review in Biology; 37(5): 62 – 70.
DOI:10.9734/ARRB/2022/v37i530510. https://www.sdiarticle5.com/reviewhistory/86822.

22. Okolonkwo, B. N., Jonathan, N., Adjekuko, O. C. and Mieiwari, I. J. (2022). Study on the Therapeutic benefits of vitamin E after paraquat toxicity. Journal of Scientific Research and Reports; 28(5): 28 – 34. DOI:10.9734/JSRR/2022/v28i530520. https://www.sdiarticle5.com/review-history/86829.

23. Okolonkwo, B. N., Okeke, C. U., Amadi, F. C. and Nyenke, C. U. (2022). Therapeutic effects of vitamin E on paraquat induced liver toxicity in male albino rats (Rattus norvegicus); 34(17): 1 – 7. DOI:10.9734/JAMMR/2022/v34i1731411. https://www.sdiarticle5.com/review-history/86820.

24. Okolonkwo, B. N., Jonathan, N., Adjekuko, O. C. and Mieiwari, I. J. (2022). Haematological Recovery by vitamins E and C on Paraquat inflicted haematological insult in Rattus norvegicus. Current Research of Applied Science and Technology; 41(5):
16 – 22. DOI: 10.9734/CJAST/2022/v41i1531720. https://www.sdiarticle5.com/reviewhistory/86827. 25. Benjamin Nnamdi Okolonkwo; Adaobi Ifeoma Ekwempu; Ngozi Brisibe; Joel Burabar Konne and Clement Ugochukwu Nyenke (2022). Hepatocellular Recovery
of Chronic Paraquat Induced Liver Toxicity in Vitamin E and C Treated Male Wistar Rats. International Journal of Biochemistry Research & Review, 31(7): 1-8, 2022. DOI:10.9734/IJBCRR/2022/v31i730334. https://www.sdiarticle5.com/reviewhistory/89505.

26. Okafor, R. A., Konne, F. E., Nyenke, C. U., Okolonkwo, B. N. and Okeke, C. U. (2022). Malaria parasitaemia and effect on liver enzymes. Merrit Research Journals; 10(4): 033 – 039. DOI: 10.5281/zenodo.7032979. https://www.meritresearchjournals.org/mbs/index.htm. 11 | P a g e

27. Okafor, R. A., Amadi F. C., Okolonkwo, B. N., Nyenke, C. U., and Okeke, C. U. (2022). Implication of malaria on liver health. Merrit Research Journals; 10(4): 040 – 045. https://meritresearchjournals.org/mbs/index.htm.

28. Okeke, C. U., Okolonkwo, B. N., Nzere, N. C., Nworgu, C. E., Ezeiruaku, F. and Okafor, R. A. (2022). Effects of Antiretroviral drugs on steroid hormones among HIVinfected antenatal women in Nigeria. Journal of Endocrinology and Metabolism Research; 3(2): 1-7. DOI:https://doi.org/10.37191/MAPSCI-2582-7960-3(2)-026.

29. Okolonkwo, B. N, Amadi, F. C. and Ogbugo, E. C. (2022). Organophosphate Toxicity: Pathophysiology, Diagnosis and Treatment. Asian Journal of Biochemistry, Genetics and Molecular Biology; 12(2): 27-37. DOI:10.9734/AJBGMB/2022/v12i230290. https://www.sdiarticle5.com/reviewhistory/91103.

30. Okolonkwo, B. N. (2022). Effects of two months duration vitamin E therapy on Paraquat inflicted liver damage in Wistar Rats (Rattus norvegicus). Asian Journal of Biochemistry, Genetics and Molecular Biology. Asian Journal of Biochemistry,
Genetics and Molecular Biology 12(4): 126-131, 2022; Article no. AJBGMB.94312 ISSN: 2582-369, DOI:10.9734/AJBGMB/2022/v12i4277

31. Okolonkwo, B. N. (2022). The effect of Long-Term Vitamin E Therapy on Haematotoxic injury in male Wistar Rats. Asian Journal of Research and Reports in Hepatology. Asian Journal of Research and Reports in Hepatology 4(1): 81-88, 2022; Article no. AJRRHE.94475.

32. Okolonkwo, B. N. (2022). The effects of combined vitamin treatment on Paraquatinflicted liver damage. Asian Journal of Biochemistry, Genetics and Molecular Biology. Asian Journal of Biochemistry, Genetics and Molecular Biology 12(4): 132-
138, 2022; Article no. AJBGMB.94474 ISSN: 2582-3698. DOI: 10.9734/AJBGMB/2022/v12i4278

33. Okolonkwo, B. N. (2022). Effect of Vitamin E on Liver Function of Paraquat exposed Wistar Rats (Rattus norvegicus). Asian Journal of Research and Reports in Hepatology. Asian Journal of Research and Reports in Hepatology 4(1): 75-80, 2022; Article no. AJRRHE.94309. https://www.sdiarticle5.com/review-history/94309

34. Okolonkwo, B. N. (2022). The role of Vitamin E in Hepatophysiology of Paraquat induced Toxicity. International Research Journal of Gastroenterology and Hepatology. Asian Journal of Research and Reports in Hepatology. International Research Journal of Gastroenterology and Hepatology 5(2): 119-125, 2022; Article no. IRJGH.94311. https://www.sdiarticle5.com/review-history/94311

35. Okolonkwo, B. N. (2022). Investigating the effect of Vitamin E and C combined treatment on Paraquat induced Liver damage in Wistar Rats (Rattus norvegicus). South Asian Research Journal of Natural Products. South Asian Research Journal of Natural
Products 5(3): 52-59, 2022; Article no. SARJNP.94308. https://www.sdiarticle5.com/review-history/94308

36. Benjamin Nnamdi Okolonkwo1* [ORCID], Ngozi Brisibe2, Ibitoroko Maureen George-Opuda2 (2023). Ameliorative Effect of Vitamin E on Paraquat Induced Nephrotoxicity in Rat. Current Research in Interdisciplinary Studies 2(2) (2023): 1 –5. https://doi.org/10.5861 4/cris221

37. Benjamin Nnamdi Okolonkwo1*[ORCID] , Ngozi Brisibe2 , Ibitoroko Maureen GeorgeOpuda2 (2023). Evaluating the Impact of Vitamin E Treatment on Paraquat Induced 12 | P a g e Toxicity in Liver. Current Research in Interdisciplinary Studies 2(2) (2023): 6 –11.
https://doi.org/10.5861 4/cris222.
38. Benjamin Nnamdi Okolonkwo*1[ORCID], Ngozi Brisibe2 , Ibitoroko Maureen GeorgeOpuda2 (2023). Ameliorative Effect of Vitamin E and C on Paraquat Induced Nephrotoxicity in Rat. Healthcare Studies 1(1) (2023): 1 –6. https://doi.org/10.5861 2/hs111.

39. Benjamin Nnamdi Okolonkwo1*[ORCID], Ngozi Brisibe2 , Ibitoroko Maureen GeorgeOpuda2 (2023). Antidotal Effect of Vitamin E and C in the Management of Paraquat Intoxication in Rat. Healthcare Studies 1(1) (2023): 24 – 29. https://doi.org/10.58612/ hs113.

40. Benjamin Nnamdi Okolonkwo1*[ORCID] , Ngozi Brisibe2 , Ibitoroko Maureen GeorgeOpuda2 (2023). Vitamin E and C Long-Term Treatment Effect on paraquat Poisoned Liver in Rat. Journal of Applied Health Sciences and Medicine 3(2) (2023): 1 –8. https://doi.org/10.5861 4/jahsm321.
–

41. Benjamin Nnamdi Okolonkwo1*[ORCID] , Ngozi Brisibe2 , Ibitoroko Maureen GeorgeOpuda2 (2023). Assessing Short-Term Vitamin E and C Treatment Effect in Paraquat Liver Poisoning. Journal of Applied Health Sciences and Medicine 3(2) (2023): 9 – 16.
https://doi.org/10.5861 4/jahsm322.

42. Benjamin Nnamdi Okolonkwo, Maureen Ibitroko George-Opuda, Doris Nnenna Ajibo, Clement Ugochukwu Nyenke and Kingsley Kalawari Odiabara (2023). Study on Antidotal Therapy of vitamins in paraquat induced Dyslipidemia in rats. Journal of
Applied Health Sciences and Medicine; 3(7): 11 – 18. Https://doi.org/10.58614/jahsm372.

43. Benjamin Nnamdi Okolonkwo, Clement Ugochukwu Nyenke, Doris Nnenna Ajibo, Maureen Ibitroko George-Opuda and Kingsley Kalawari Odiabara (2023). Chronic paraquat exposure on kidney and vitamin E and C treatment benefits. Journal of Biomedicine and Biosensors; 3(3): 3 – 10. https://doi.org/10.58613/jbb332.

44. Benjamin Nnamdi Okolonkwo, Maureen Ibitroko George-Opuda, Joseph Igbo Enya, Kingsley Kalawari Odiabara and Clement Ugochukwu Nyenke (2023). Assessing testicular function in paraquat poisoning and vitamin E and C Amelioration
in Rats. Current Research in Interdisplinary Studies; 2(8): 19 – 25. https://doi.org/10.58614/cris282.

45. Chikadibia Fyneface Amadi, Benjamin Nnamdi Okolonkwo, Melody Igochinyerum George-oparati and Kingsley Kalawari Odiabara (2023). Understanding the relationship between Polycystic Ovarian Syndrome (PCOS) and Dyslipideamia. Asian Journal of Biochemistry, Genetics and Molecular Biology; 15(3): 1 – 11. https://doi.org/10.9734/AJBGMB/2023/v15i3333.

46. Okolonkwo Benjamin Nnamdi, George-Opuda Maureen Ibitroko, Odiabara Kingsley Kalawari and Nyenke Clement Ugochukwu (2023). Recovery potential of vitamin E and C on Histology of Gastrointestinal Tracts of Paraquat poisoned Rats. Journal of Biomedicine and Biosensors; 3(4): 1 – 6. https://doi.org/10.58613/jbb341.

47. Nwahiri J.D., Ozoemena C.C., Okolonkwo B.N., Nwosu D.C. and Nwanjo H.U. (2023). Effect of Vernonia amygdalina and Moringa oleifera on some liver parameters in Alloxan-induced Diabetic Rats. International Research Journal of Gastroenterology
and Hepatology; 6(1): 137 – 145. https://www.sdiarticle5.com/review-history/109210. 13 | P a g e

48. Nwahiri J.D., Ozoemena C.C., Okolonkwo B.N., Tamuno-Emine D.G., Nwachuku E.O. and Bartimaeus E.S. (2023). Assessment of Testosterone Levels and Sperm Motility Variables of Mercury Toxicity Induced Male Albino Rats Treated with Pentaclethra macrophylla Seed (Ugba). Asian Journal of Research and Reports in Endocrinology; 6(1):179-189. : https://www.sdiarticle5.com/review history/109231.

49. Nwahiri, J.D., Ozoemena, C.C., Okolonkwo, B.N., Nwosu, D.C. and Nwanjo, H.U. (2023). Assessment of the Effect of Vernonia amygdalina and Moringa oleifera on Some Kidney Parameters in Alloxan–Induced Diabetic Rats. Asian Journal of Research in
Nephrology; 6(1):119-126. : https://www.sdiarticle5.com/review-history/109513.

50. Benjamin Nnamdi Okolonkwo, Maureen Ibitroko George-Opuda, Joseph Igbo Enya, Kingsley Kalawari Odiabara and Clement Ugochukwu Nyenke (2023). Assessing testicular function in paraquat poisoning and vitamin E and C Amelioration
in Rats. Current Research in Interdisplinary Studies; 2(8): 19 – 25. https://doi.org/10.58614/cris282.

51. Roseanne Adah Okafor, Benjamin Nnamdi Okolonkwo, Clement Ugochukwu Nyenke, Chukwubike Udoka Okeke and Chinonye Oluchi Ezenwaka (2023). Evaluation of Total Protein in Malaria Parasitaemia. International Journal of Pathogen
Research; 12(6): 166 – 171. DOI: 10.9734/IJPR/2023/v12i6265. https://www.sdiarticle5.com/review-history/110597.

52. Chikadibia Fyneface Amadi, Benjamin Nnamdi Okolonkwo, Isobo Jack and Kingsley Kalawari Odiabara (2023). Treatment Options for Erectile Dysfunction in Diabetics. Asian Journal of Biochemistry, Genetics and Molecular Biology; 15(4):15- 25. DOI: 10.9734/AJBGMB/2023/v15i4348. https://www.sdiarticle5.com/reviewhistory/110594.

53. Benjamin Nnamdi Okolonkwo, Melody George-Oparati and Kingsley Kalawari Odiabara (2024). Comparative study on the Glycemic Index between Date Sugar and Commercial Sugar. Nexus of Medical and Laboratory Science Journal; 1(1): 55-61.
https://www.nmlsj.org.

54. George-Opuda, I. M., Etuk, E. J., Elechi-Amadi, K. N., Okolonkwo, B. N., Adegoke, O. A., Ohaka, T. P. and Elekima, I. (2024). Vitamin C supplementation lowered Atherogenic Lipid Parameters among Oil wokers occupationally exposed to Petroleum fumes in Port Harcourt, Rivers State. Nigeria. Journal of Advances in Medical and Pharmaceutical Sciences; 26(3): 45-52. https://doi.org/10.9734/JAMPS/2024/v26i3676.

55. Okolonkwo, Benjamin Nnamdi, Ajibo, Doris Nnenna, George-Opuda Maureen Ibitroko and Nwahiri, Jude Donatus (2024). Recent Trends in Risk Factors Associated with Kidney Diseases. Asian Journal of Research in Nephrology; 7(1): 7-30.
https://www.sdiarticle5.com/review-history/111576.

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