Dr. Josephat Nwabueze Okereke

DR. JOSEPHAT NWABUEZE OKEREKE,     PhD

B.Tech, M.Sc., PhD

E-mail: chinwendubueze1@yahoo.com

GenPix

RESEARCH INTERESTS

Environmental Toxicology, Environmental Biotechnology and Environmental Microbiology

TEACHING & PROFESSIONAL EXPERIENCE

The Federal University of Technology, Owerri (2005 – Date)

 

PUBLICATION

Okereke, J.N., Ogidi, O.I. and Obasi, K.O. (2016). Environmental and Health Impact of Industrial Wastewater Effluents in Nigeria – A Review. International Journal of Advanced Research in Biological Sciences, 3(6): 55 – 67.


Okereke, J.N., Ogidi, O.I. and Obasi, K.O. (2016). Removal of Inorganic Anions in Brewery Effluent Using Banana Peels. International Journal of Advanced Research in Biological Sciences, 3(6): 55 – 67


Okereke, J.N., Ogidi, O.I. and Obasi, K.O. (2016). Biosorption of Cd and Pb inTextile Effluent Using Musa sapientum (Banana) Peels. The International Journal of Science & Technology, 4(6): 31 – 37


Kalu, K. O., Emeahara, U.V., Okereke, J.N., Udebuani, A.C. and Oparaigbo, M.I. (2016). The Antimicrobial Effects of Local Spices: Onions (Allium cepa), Garlic (Allium sativum), Ginger (Zingiber officinale), and Pepper (Piper guineense) on Selected Pathogenic Bacteria and Fungus. The International Journal of Science & Technology, 4(2): 84 – 96.


Ezeji, E.U., Ogueri, D.O., Udebuani, A.C., Okereke, J.N. and Obasi, K.O. (2015). Effect of Dichlorvos on the Fertility of Adult Albino Rats. Nature and Science, 13(12): 1 – 5.


Udebuani, A. C., Obasi, K. O., Ezeji, E. U., Okereke, J. N., Anyadoh, S. O., Dike-Ndudim, J. N. and Enekwu, E. C. (2015). Effects of Anthropogenic Activities on Soil Carbon Storage and Compactness in Coastal Plain Soil of Tropical Urban Area, International Journal of Scientific & Engineering Research, 6(11): 1436 – 1448.


Okereke, J.N., Obasi, K.O., Anyadoh-Nwadike, S.O., Ezeji, E.U. and Udebuani, A.C. (2015). Geo-helminths Associated with Pupils in Selected    Primary Schools in Oyi, Anambra State, Science Journal of Public Health    Special Issue: Who is Afraid of Microbes, 3(5 – 1): 45 – 50.


Okereke, J.N., Obasi, K.O., Ezeji, E.U., Udebuani, A.C. and Nnoli, M.C. (2015). Possible Health Implications Associated with Cosmetics: A Review,        Science Journal of Public Health, Special Issue: Who is Afraid of Microbes.


Anyadoh-Nwadike, S. O., Okereke, J. N., Odah, R., Obijekwu, O., Okorondu, S. I. and Obasi, K. O. (2015). Bacteriological Quality of Water Contaminated with Faecal Waste from Livestock, Science Journal of Public Health,  Special Issue: Who is Afraid of Microbes 3(5 – 1): 29 – 33.


Okereke, J.N., Okanume, J.N. and Okereke, C.B.N. (2015). Physico-chemical and Bacteriological Assessment of Oyibo River in Ehime Mbano, Imo State. International Journal of Advanced Research in Biological Sciences, 2(1): 78       – 83.


Kalu, O. Obasi, Enemchukwu, S., Okereke, J.N., Ezeji, E.U. and Oparaigbo, M.I. (2015). Analysis of Heavy Metals Concentration in Prawn (Macrobachium spp) Harvested from Gberikoko River in Sapele Delta State, Nigeria, The International Journal of Science and Technology, 3(8): 285 – 288.


Kalu, O. Obasi, K. Chinedu, Udebuani, A.C., Okereke, J.N., Ezeji, E.U. and Anyadoh, A.S. (2015). Studies on Concentrations of Selected Heavy Metals: Cadmium. Lead, Arsenic and Mercury in the Soft Tissue of Periwinkle (TympanotonosfuscutusVar. Radula) Harvested from Bran Island River, Bayelsa State, Nigeria, International Journal of Science and Technology,      4(10).


K. O. Obasi. K. Chinedu, Okereke, J.N., Udebuani, A.C., Ezeji, E.U. and Anyadoh S.N. (2015). Concentrations of Cadmium, Arsenic and Mercury in the Soft Tissue of Periwinkle (TympanotonosfuscutusVar. Radula) in Eagle Island River, Rivers State, Nigeria, 4(10).


Udensi, J.U., Iwuala, M.O.E., Nwigwe, H.C., Onyedineke, N.E., Okereke, J.N. and Mgbemena, I.C. (2014). Studies of the Recovery Potentials of a Disturbed Aquatic Ecosystem: Focus on pre- and post-dredging Analysis of Nworie River, Owerri Imo State, Nigeria, International Journal for Health & Human Development, 15(1): 42 – 49.


J.N. Okereke, A.A. Nwachukwu, A.A. Ukaoma and A.I. Udeaja (2014).Evaluation of Heavy Metals in Soils and Fertilizers Commonly Applied on Agricultural Lands in Idemili, Anambra State, Nigeria, Int’l Journal for Environmental Health and Human Development, 15(2): 12 – 17.


J.N. Okereke, O.I. Ogidi and A.A. Nwachukwu (2014). Environmental Challenges Associated with Spillage and Gas Flaring in Nigeria: A Review,  Int’l Journal for Environmental Health and Human Development, 15(2): 1- 11.


Ogbulie, T.E., Okereke, J.N. and Chinakwe, E.C. (2013). Phytostimulation of Soil Differentially Contaminated with Crude oil, using Vujnaunguiculata, International Journal of Environmental Health & Human Development,   14(2): 31 – 41


Okereke, J.N., Nnoli, M.C., Okereke, C.B.N. and Ahumibe, N.C. (2013). The efficiency of Water Purifying Devices used in Homes and Industries, Journal of Research in Ecology, 2(2): 108 – 114.


Okereke, J.N., Okereke, C.B.N., Obasi, K.O., and Nnoli, M.C. (2013).A Survey on the Distribution and Prevalence of Water-related Diseases in Owerri from 2005 – 2008, Int. J. Biotechnol.and Allied Sci., 8(1): 1024 – 1030.


Okereke, J.N., Obasi, K.O. Udensi, J.U. and Ahumibe, N.C.(2013).Studies on the Effects of Burnt Naira Ash on Soil Properties, Natural Products Research Bulletin, 1(2): 034 – 040.


Okereke, J.N., Nnoli, M.C. and Okechukwu, R. I. (2012). Effect of Different Concentrations of Sucrose on Microtuberization of Sweet Potato (Ipomoea batatas),  Int’l Journal for Environmental Health & Human Development, 13(1): 59 – 64.


Okechukwu, R.I., Okereke, J.N., Ezejiofor, T.I.N., Obasi, K.O. and Ebere, G.O. (2011). The relationship between malaria vector densities in artificial container habitats, land-use changes and temperature, Nigerian Journal of Parasitology, 32(2): 283 – 286.


Okereke, J.N., Nwigwe, H.C. and Iwuala, M.O.E. (2011). Evaluation of Groundwater Quality in some Parts of Imo State, Nigeria,  Int’l Journal for Environmental Health & Human Development, 11(1): 10 – 14


Okechukwu, R.I., Okereke, J.N., Onyedineke, N.E. and Obi, R.K. (2011). Microbial and Nutritional Qualities of Mushroom, Asian Journal of Exp. Biol. 2(4): 746 – 749.


Okechukwu, R.I., Ogukwe, C.E., Okereke, J.N. and Njoku, M.E. (2011). Production and Characteristics of Biodiesel from Jatropha Curcas Seeds, Int’l Journal of Biotech. And Biochemistry, 7(3): 405 – 410


R. I. Okecchukwu, J. N. Okereke and T. I. N. Ezejiofor (2010). Microbial Contamination of Expired and Unexpired Orange and Pineapple Juices Sold in Owerri Municipality, Imo State Nigeria, International Journal of Environmental Health & Human Development, 11(1): 28 – 32.


Okereke, J.N. and Nnoli, M.C. (2010). The concentration of Heavy Metals in Some Important Rivers of Owerri Zone, Imo State, Nigeria.  Int’l Journal of Agric. And Food Systems, 4(4): 310 – 31


Okereke, J.N. and Onyeneto, T.C. (2010).  Bacteriological Assessment of Packaged Fruit Juices Consumed in Some Parts of Anambra, Nigeria,  Int’l Journal of Biotech. And Allied Sciences, 5(2): 714 – 717


Okereke, J.N., Okeke, O.A. and Okechukwu, R.I. (2010). Comparative Evaluation of Ethanol Production from Sweet Potato (Ipomoea batatas) and Maize (Zea mays), Int’l Journal of Biotech. And Allied Sciences, 5(2): 714 – 717


Okereke, J.N. and Nnoli, M.C. (2010). Nature, Distribution and usage of Available Water Sources in Imo State, Int’l Journal of Biotech. and Allied Sciences, 5(1): 650 – 654


Okechukwu, R.I., Nwoke, B.E.B., Opara, F.N. and Okereke, J.N. (2009). Anti-fungal Potential of Herbal Remedies used in the Treatment of Dermatophytosis in Imo State, Nigeria,  Int’l Journal of Nat. & Applied Sciences, 5(2): 164 – 166


Okereke, J.N., Nnoli, M.C. Obasi, K.O. and Ukaegbu, P.C. (2007). Genetically Engineered Food Crops: Prospects and Problems – A Review,  Int’l Journal of Biotech and Allied Sciences 2(3): 261 – 265


Obiekezie, S.O., Okereke, J.N. and Obasi, K.O. (2007). Estimation of Vitamin Content of Local Mango Fruit Stored Under Different Temperatures, Journal of Science, Engineering and Technology, 14(2): 7317 – 7324


Okereke, J.N., Obiekezie, S.O. and Obasi, K.O. (2007).  Microbial Flora of Oil-Spilled Sites in Egbema, Imo State, Nigeria,  African Journal of Biotechnology, 6(8): 991 – 993


Okereke, J.N., Okechukwu, R.I., Nnoli, M.C. and Obasi, K.O. (2006). Physico-chemical and Bacteriological Quality of Rainwater in Egbema, Imo State, Nigeria, Int’l Journal of Nat. and Applied Sciences, 2(4): 372 – 376


Okereke, J.N., Obasi, K,.O., Obiekezie, S.O. and Okechukwu, R.I. (2006). Bacterial Quality of Rainwater in Selected Communities in Imo State, Nigeria, Estud. Biologie, 28(63): 51 – 59


Obiekezie, S.O., Okereke, J.N., Anyalogbu, E.A., Okorondu, S.I. and Ezejiofor, T.I.N. (2006). Underground water Quality of Rock Mining in Ebonyi State, Nigeria,  Estud Biologie, 28(63): 61 – 67


Obiekezie, S.O., Abara, P.N., Okereke, J.N. and Ifeanyi, V.I. (2006).  Physico-chemical and Bacteriological Evaluation of Underground Water in Enugu Metropolis Southeast, Nigeria,  Int’l Journal of Applied Sciences, 2(3): 240 – 245


Nwaugo, V.O., Obiekezie, S.O., Onyeagba, R.A., Okereke, J.N., Anyalogbu, E.A. and Udebuani, A.C. (2006). Physico-chemical investigation of Amicol Lake in Ivo Areas of Ebonyi State, World Journal of Biotechnology, 7: 1055 – 1061


Obasi, K.O., Udebuani, A.C. and Okereke, J.N. (2006). The Study on the Relationship Between the Chemical Oxygen Demand and the Total Aerobic Fungi and Bacteria in Aba River, Abia State,  Journal of Research in Bioscience, 2(1): 23 – 25

 CHAPTERS IN BOOKS

Okereke, J.N.(2013). Microscopy: Preparation of Slides for Microscopy: In Research Techniques in Biological and Agricultural Science, WEBSmedia communications Ltd., Owerri, pp 1 – 27


Okereke, J. N. (2013). Taxonomy of Plants and Animals: In Foundation Biology for University Students II, Applause multi-sector Ltd., Owerri, pp 58 – 75


Okereke, J. N. (2012). Biological Interactions (Plant and Animal Interactions): In Foundation Biology for University Students I, Applause Multi-sectors Ltd., Owerri, pp 186 – 198.


Okereke, J. N. (2010). Man and His Environment: In Undergraduate Biology, Readon Publishers Ltd., Owerri, pp 130 – 136

TECHNICAL REPORTS

1.     Physical Characteristics of Off-colour in Fanta Chapman: A Report Submitted to Nigerian Bottling Company, Kaduna on Quality Challenges Associated with the Product in 1994 – 1995.

2.     Evaluation of  The Use of CO2 in Lieu of Water During Shutdown: A Report Submitted to Nigerian Bottling Company, Kaduna in 1995.

 
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