Prof. Kanayochukwu John Nduka

Prof. Kanayochukwu John Nduka is a PROFESSOR in PURE AND INDUSTRIAL CHEMISTRY Department, Faculty Of Physical Sciences in Nnamdi Azikiwe University

Staff Profile

John Kanayochukwu Nduka (PhD), a professor in the Department of Pure and Industrial Chemistry, Nnamdi Azikiwe University, and presently an adjunct professor/lecturer in Industrial Chemistry Department of Madonna University Elele, Nigeria. He is currently the Director of research/chairman of staff disciplinary committee at Madonna University Elele Nigeria. He is the head researcher in the Environmental Chemistry and Toxicology Unit with a focus on public health and was a former head of the department. Dr Nduka has published several scientific articles and is involved in mentoring young academic at Nnamdi Azikiwe University. He has served as head and member of the National University Commission resources verification exercise to various universities in Nigeria for Chemistry programme. In 2020, he received a RULA award for international best researcher in environmental chemistry and toxicology. He was also listed among the top 100 researchers by Nnamdi Azikiwe University. He has attended several local and international conferences and workshops and delivered numerous lectures. TETFUND Grant for 2016/2017, 2023/2024 and 2025/2026 University Intervention Fund (institution based research grant with grant ref code, TETF/ES/DR & D/ CE/UNI/AWKA/IBR/2023/VOL.1). Certification of recognition from Elsevier Publishers London for publishing a manuscript that is linked to the United Nation Sustainable Development Goals (UNSDGs) helping to tackle some of the world’s greatest challenges. Vice Chancellor’s letter of recommendation for been among the first One hundred best Scholars in Nnamdi Azikiwe University by the Scholarship and Awards Committee. Meritorious Service Award as an outstanding Head of Department. UNIZIK Chemistry Department Award of Excellence for publishing up to seven (7) manuscripts in high impact factor journals within 2 years (2022 - 2023). Letter of appreciation from the Provost College of Postgraduate Studies (CPGS) for contributing to the growth of the College. Professor John Nduka is currently the Director of Research and Innovation of Madonna University, Elele Nigeria

Personal Information

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Address:	Pure And Industrial Chemistry, Faculty Of Physical Sciences, Nnamdi Azikiwe University, Awka.
Faculty/Unit:	FACULTY OF PHYSICAL SCIENCES
Department/Sub-Unit:	PURE AND INDUSTRIAL CHEMISTRY

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Interest Areas

Environmental Chemistry Environmental Radiation And Air Quality Assessment Environmental Toxicology Environmental Toxicology Environmental Toxicology Environmental Toxicology Risk Assesment Water And Waste Water Processing

Creative Output

	Book Chapters
1	Daniel O. Omokpariola, John K. Nduka and Patrick L. Omokpariola. (2024, June) pH Precursors as a Factor for Assessing Rainwater Quality in Roofing Sheets: A Case Study of Rivers State, Nigeria IntechOpen, pp 1 - 27
	Journal Articles
1	Anthony Saah Tengbeh, Prosper Manu Abdulai, Ismail Olawale Akande, Chideraa Courage Offor, John Kanayochukwu Nduka, Orish Ebere Orisakwe, Chiara Frazzoli. (2026, February), "Atmospheric distribution and exposure implications of heavy metals around industrial, mining, and slum areas in Liberia", Atmospheric Environment: X, Vol. 29, (Issue 100429), pp 1 - 15
2	Chideraa Courage Offor; John Kanayochukwu Nduka. (2026, June), "Temporal variation, storage-induced transformations, and non-carcinogenic health risks of metals in rooftop-harvested rainwater: insights into microbial influences in a soot impacted area of Eleme, Niger Delta", Bulletin of the National Research Centre, Vol. 50, (Issue 59), pp 2 - 14
3	John Kanayochukwu Nduka; Chideraa Courage Offor; Martin Osita Anagboso. (2026, June), "Spatiotemporal analysis and risk assessment of toxic metal(loid)s in harvested rainwater: Insight into storage chemistry as passive treatment processes in oil-impacted Eastern Nigeria", Results in Engineering, Vol. 31, (Issue 11432), pp 1 - 12
4	Eboh-Ajoku Irene Ogechi1, Nduka John Kanayo, Obioha John Nwagbo, Awajiiroijana Uriah Okpoj, Warder Amaminor Blessing. (2026, April), "Effect of different boiling temperatures on heavy metal concentration of food crops sold in AWKA markets, Anambra state, Nigeria", Discover Food, Vol. 6, (Issue 30), pp 1 - 17
5	Chideraa Courage Offor, John Kanayochukwu Nduka, Genevieve Chinyere Iloka. (2026, February), "Hazards and risk assessment of metals in car-surface dust from automobile workshops of Eastern Nigeria", Journal of Trace Elements and Minerals, Vol. 16, (Issue 100288), pp 1 - 9
6	John Kanayochukwu Nduka, Ogechi Irene Eboh Ajoku, Martin Osita Anagboso4, Daniel Omeodisemi Omokpariola. (2026, December), "Review of Human Exposure Hazards and Health Risk Assessment of Microbial Pesticides", American Journal of Biomedical Science & Research, pp 1 - 18
7	Eudora Nwanaforo, Cecilia N. Obasi, Ismail Olawale Akande, John Kanayochukwu Nduka, Chideraa Courage Offor, Prosper Manu Abdulai, Godswill J. Udom, Orish Ebere Orisakwe. (2025, December), "Monte Carlo-Based Assessment of Toxic Metal Contaminations in Urban Agricultural Systems: A Case Study of Lead, Cadmium, and Copper in Vegetables and Fish from Nigeria", Biological Trace Element Research
8	Timothy Titus Falae, Chika Pearl Ossai, Muyiwa Michael Orosun, Prosper Manu Abdulaid, Godswill J. Udome, John Kanayochukwu Ndukaf, Chideraa Courage Offorf, Orish Ebere Orisakweg. (2025, November), "Probabilistic health risk assessment of heavy metals in vegetables cultivated near tin mining sites in Jos Plateau State, Nigeria", Journal of Hazardous Materials Advances, Vol. 20, (Issue 100934), pp 1 - 13
9	John Kanayochukwu Nduka, Chideraa Courage Offor, Henrietta Ijeoma Kelle, Perpetua Chioma Okafor. (2025, May), "Exposure and comparative risk assessment of PAHs in dust from roadside solid surfaces in three semi=urban areas of Eastern Nigeria", Environmental Science: Atmospheres
10	John Kanayochukwu Nduka, Chideraa Courage Offor, Vivian Onyinyechi Mgboh. (2025, September), "Health risk status of roadside dwellers by heavy metal(loid) contamination of dusts of major and remote roads from selected areas of Eastern Nigeria", Discover Environment, Vol. 3, (Issue 130)
11	John Kanayochukwu Nduka, Henrietta Ijeoma Kelle, Perpetua Chioma Okafor, Chideraa Courage Offor. (2025, April), "Exposure and comparative risk assessment of PAHs in dust from roadside solid surfaces in three semiurban areas of Eastern Nigeria", Environmental Science: Atmospheres, pp 1 - 17
12	Chisom Theresa Umeh, John Kanayochukwu Nduka, Kovo Godfrey Akpomie, Joshua O. Ighalo, Refilwe Mogale. (2025, January), "AdsorptiveEffectofCornSilk-LoadedNickelOxideandCopper OxideNanoparticlesforEliminationofCiprofloxacinfrom Wastewater", ACS OMEGA, pp 1 - 17
13	Chisom Theresa Umeh, John Kanayochukwu Nduka, Kovo Godfrey Akpomie, Amalachukwu Ifeyinwa Obi, Nkeiru Magdalene Akanbi. (2025, August), "Remediation of malachite green-laden wastewater by plant-loaded metal oxide nanocomposites", RSC Advances, pp 1 - 14
14	Chisom Theresa Umeh, John Kanayochukwu Nduka, Kovo Godfrey Akpomie, Nkeiru Magdalene Akanbid, Abel Egbemhenghee. (2025, December), "Adsorption of cadmium and ciprofloxacin from aqueous solution by pretreated Bryophyllum pinnatum: equilibrium, kinetics and thermodynamic studies", New Journal Chemistry
15	Chioma Perpetua Okafor, John Kanayochukwu Nduka, Peter Olisaemeka Okafor, Chideraa Courage Offor. (2025, September), "Behavioural dynamics of water quality parameters and human exposure assessment of trace metals in Agulu Lake Water, South-East Nigeria", Cleaner Water, Vol. 4, (Issue 100127), pp 1 - 13
16	John Kanayochukwu Nduka, Chioma Perpetua Okafor, Chideraa Courage Offor. (2025, November), "Potentially toxic element hazards and fatty-acids profile of fish species from Agulu Lake of Southeast Nigeria", Marine Pollution Bulletin, Vol. 222, (Issue 118730), pp 1 - 11
17	John Kanayochukwu Nduka, Chideraa Courage Offor, Chioma Juliet Alluwo, Ogechi Irene Eboh-Ajoku. (2025, November), "Environmental fate behavior and risk implications of legacy and emerging PFAS across multiple media: a spatiotemporal perspective from Africa and beyond", Environmental Science: Advances, pp 1 - 21
18	Chisom T. Umeh, John Kanayochukwu Nduka, Refilwe Mogale, Kovo G. Akpomie, Nkechi H. Okoye. (2024, April), "Acid-activated corn silk as a promising phytosorbent for uptake of Malachite green and Cd (II) ion from simulated wastewater: equilibrium, kinetic and thermodynamic studies", International Journal of Phytoremediation
19	Chideraa Courage Offor , John Kanayochukwu Nduka. (2024, March), "Appraisal of polycyclic aromatic hydrocarbons (PAHs) in indoor dust of Eastern Nigeria and its implications in the COVID-19 years", Journal of Hazardous Materials Advances, Vol. 14, (Issue 100424), pp 1 - 14
20	Chideraa Courage Offor, John Kanayochukwu Nduka. (2024, June), "Risk assessment of PAHs in dusts from surfaces of abandoned automobiles at auto-workshops of three semi-urban areas of Eastern Nigeria: Compositional patterns and source apportionments", Environmental Pollution and Management, Vol. 1, pp 24 - 31
21	John Kanayochukwu Nduka, Theresa Chisom Umeh, Henrietta Ijeoma Kelle, Francisca Chioma Okeke, Genevieve Chinyere Iloka, Perpetua Chioma Okafor. (2024, January), "Ecological pollution features and health risk exposure to heavy metals via street dust and topsoil from Nkpor and Onitsha in Anambra, Nigeria", Environmental Analysis Health and Toxicology, Vol. 39, (Issue 1), pp 1 - 23
22	Amarachukwu Rebecca Nnamani, John Kanayochukwu Nduka, Akudu Adaobi Ukamaka. (2024, April), "Potential Human Health Risk Assessment of Heavy Metals in Road Dusts Collected From Three Urban Roads of Enugu State, Nigeria", World News of Natural Sciences, Vol. 54, pp 83 - 101
23	C. Theresa Umeh, J. Kanayochukwu Nduka, O. Kingsley Iwuozor, O. Daniel Omokpariola, Kanika Dulta, S. Chisom Ezeh, R. Nkechi Emeka. (2023, October), "Adsorption modelling on the removal of ciprofloxacin antibiotic from aqueous solution by acid-modified corn cob", International Journal of Environmental Analytical Chemistry, pp 1 - 27
24	Chisom Theresa Umeh, John Kanayochukwu Nduka, Daniel Omeodisemi Omokpariola, Joy Ebele Morah, Ebuka Chidiebere Mmaduakor, Nkechi Helen Okoye, Ekene-Echerebo Ifeoma Lilian,Ifeanyi Favor Kalu. (2023, March), "Ecological pollution and health risk monitoring assessment of polycyclic aromatic hydrocarbons and heavy metals in surface water, southeastern Nigeria", Environmental Analysis Health and Toxicology, Vol. 38, (Issue 2), pp 1 - 27
25	John Kanayochukwu Nduka, MaryAnn Nkoli Mgbemena, Perpetua Chioma Okafor, Theresa Chisom Umeh, Henrietta Ijeoma Kelle, Rebeca Amarachi Nnamani. (2023, July), "Ecological and health risk assessment of heavy metals in roadside soil, dust and water of three economic zone in Enugu, Nigeria", Urban Climate, Vol. 51, (Issue 101627), pp 1 - 21
26	John Kanayochukwu Nduka a, Henrietta Ijeoma Kelle, Theresa Chisom Umeh, Perpetua Chioma Okafor, Genevieve Chinyere Iloka, Ephraim Okoyomon. (2023, May), "Ecological and health risk assessment of radionuclides and heavy metals of surface and ground water of Ishiagu–Ezillo quarry sites of Ebonyi, Southeast Nigeria", Journal of Hazardous Materials Advances, Vol. 10, (Issue 100307), pp 1 - 14
27	J. K. Nduka, H. I. Kelle, E. O. Akpunonu, J. O. Amuka, G. C. Iloka. (2022, May), "Mobility pattern, risk assessment of heavy metals in soil‑dust and hazards of consuming vegetables at auto‑body workshops", International Journal of Environmental Science and Technology, pp 1 - 18
28	Henrietta Ijeoma Kelle, Emeka Chima Ogoko, John Kanayochukwu Nduka, Prisca Ifeoma Udeozo, Moses Chinedu Ubani. (2022, May), "Health Risk Assessment of Heavy Metal Exposures through Edible Clay from South-Eastern and South-Southern Nigeria", The Pacific Journal of Science and Technology, Vol. 23, (Issue 1), pp 113 - 123
29	John Kanayochukwu Nduka, Daniel Omeodisemi Omokpariola, Henrietta Ijeoma Kelle, Emily Osa Iduseri, MaryAnn Nkoli Mgbemena. (2022, August), "Chemometric and risk assessment of nitrogen composition of atmospheric rainwater from diverse surfaces in Rivers State, Nigeria", Environmental Monitoring and Assessment, Vol. 194, (Issue 807), pp 1 - 18
30	Daniel Omeodisemi Omokpariola, John Kanayochukwu Nduka, Henrietta Ijeoma Kelle, Nkoli MaryAnn Mgbemena, Emily Osa Iduseri. (2022, August), "Chemometrics, health risk assessment and probable sources of soluble total petroleum hydrocarbons in atmospheric rainwater, Rivers State, Nigeria", Scientific Reports, Vol. 12, (Issue 11829), pp 1 -20
31	John Kanayochukwu Nduka, Theresa Chisom Umeha, Henrietta Ijeoma Kelle, Peter Chijioke Ozoagua, Perpetua Chioma Okafor. (2022, November), "Health risk assessment of radiation dose of background radionuclides in quarry soil and uptake by plants in Ezillo-Ishiagu in Ebonyi South-Eastern Nigeria", Case Studies in Chemical and Environmental Engineering, Vol. 6, (Issue 00269), pp 1 - 10
32	John KanayoChukwu Ndukaa, Precious Oshiovue Omozuwa, Ojeaga Evans Imanahc,. (2021, February), "Effect of heating time on the physicochemical properties of selected vegetable oils", Arabian Journal of Chemistry, Vol. 14, (Issue 103063)
33	John Kanayochukwu Nduka, Veronica Ifenyinwa Uchegbusi. (2013, February), "Extension of Comparison of the Mopping Ability of Chemically Modified and Unmodified Biological Wastes on Crude Oil and Its Lower Fractions", British Journal of Applied Science & Technology, Vol. 3, (Issue 2), pp 220-244
34	John Kanayochukwu Nduka, Orish Ebere Orisakwe, Linus Obi Ezenweke. (2010, February), "Nitrate and Nitrite Levels of Potable Water Supply in Warri, Nigeria: A Public Health Concern.", Journal of Environmental Health, Vol. 72, (Issue 6), pp 28-31
35	John Kanayochukwu Nduka, Orish Ebere Orisakwe. (2009, July), "Heavy Metal Hazards of Pediatric Syrup Administration in Nigeria: A Look at Chromium, Nickel and Manganese", International Journal of Environmental Research and Public Health, Vol. 6, pp 1972-1979;
36	Orish Ebere Orisakwe, John Kanayochukwu Nduka. (2009, September), "Lead and cadmium levels of commonly administered pediatric syrups in Nigeria: A public health concern?", Science of the Total Environment, Vol. 407, pp 5993–5996
37	Orish Ebere Orisakwe, Innocent O. Igwilo, Onyenmechi Johnson Afonne, John-Moses Ugwuona Maduabuchi, Ejeatuluchukwu Obi, John C. Nduka. (2006, October), "Heavy Metal Hazards of Sachet Water in Nigeria", Archives of Environmental & Occupational Health, Vol. 61, (Issue 5), pp 209 - 2133
38	J. K. C. Nduka, E. Constance, E. Obiakor. (2006, October), "Selective Bioaccumulation of Metals by Different Parts of Some Fish Species from Crude Oil Polluted Water", Bull. Environ. Contam. Toxicol, Vol. 77, (Issue 6), pp 846 - 853

Academic Leadership Qualities

	Supervisions
1	"Contamination and risk assessment of heavy metals in scrapped automobile paint dust from selected workshops in Nigeria" (2016). Completed Masters project by Amuka, Johnpaul Onyenezi (2012546058F)
2	"ECOLOGICAL POLLUTION AND HEALTH RISK ASSESSMENT OF POTENTIAL TOXIC METALS IN DUST AND SOIL FROM SELECTED STREET OF ONITSHA AND NKPOR METROPOLISES" (2021). Completed Masters project by OKEKE, CHIOMA FRANCISCA (201865D6008F)
3	"Acid activated corn silk as a promising phytosorbent for uptake of malachite green and Cd (II) ion from simulated wastewater: Equilibrium, kinetic and thermodynamic studies" (2025). Completed Doctorate project by UMEH CHISOM THERESA (2020547004P)
4	"Evaluation of atmospheric rainwater and settled dusts as sinks for atmospheric toxicants in three semi urban areas of Easter NIGERIA" (2024). Completed Doctorate project by CHIDERAA COURAGE OFFOR
5	"SPATIAL ANALYSIS AND TIME SERIES OF TROPOSPHERIC ATMOSPHERIC POLLUTANTS DERIVED FROM COPERNICUS SENTINEL AND NASA GIOVANNI PLATFORM SATELLITE FOR NIGERIA (2012 – 2022)" (2024). Completed Doctorate project by OMOKPARIOMOKPARIOLA, DANIEL OMEODISEMI (2020547001FB)
6	"Potentially toxic elements hazard and fatty acids profiles of fish species and Multivariate toxicity and behavioral exposure assessment of inorganic pollutants in Agulu Lake water, South-East, Nigeria" (2026). Completed Doctorate project by CHIOMA PERPETUA OKAFOR (2020546008F)
7	"AUTOMOBILE WASTE CONTRIBUTION TO ENVIRONMENTAL HEAVY METAL BURDEN IN NIGERIA" (2016). Completed Masters project by PERPETUA CHIOMA OKAFOR (2012546034F)
8	"Production and characterization of eco-friendly biodiesel from coconut and groundnut oil and its binary blends" (2022). Completed Masters project by Vivian Ogechukwu Amanambu (2019546006FA)
9	"HEAVY METALS IN INFORMAL SECTOR WORKSHOPS AND THEIR ASSOCIATED HUMAN HEALTH RISK IN SELECTED PLACES IN ANAMBRA STATE" (2018). Completed Masters project by OKAFOR, OLUCHUKWU EZIMMA (2015546002F)
10	"EVALUATION OF HAZARDOUS INORGANIC AND ORGANIC SUBSTANCES IN COSTMETIC BRANDS IN NIGERIA" (2016). Completed Masters project by ODIBA, OMOCHE ISAAC (2011626O11F)
11	"ECOLOGICAL AND RISK ASSESSMENT OF HEAVY METALS IN ROADSIDE SOIL, DUST AND WATER OF THREE ECONOMIC ZONE IN ENUGU, NIGERIA" (2023). Completed Masters project by NNAMANI, AMARACHUKWU REBECCA (2019546008FA)