1. Onyenegecha, G.C., F.S. Ire and O.K. Agwa, 2020. Microbial diversity of acetic acid producing bacteria from protein-rich residues. J. Adv. Microbiol., 20: 107-120.
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2. Agwa, O.K., N.J. Eze and G.C. Okpokwasili, 2020. Portable water analysis from different factories within port harcourt metropolis, rivers State, Nigeria. Asian J. Biol. Sci., 13: 173-180.
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3. Ozoude, T.O., O.K. Agwa and E.C. Wokoma, 2019. Production of invertase from actinomycetes isolated from soils in Eliogbolo and Oyigbo, rivers state using submerged fermentation technique. Microbiol. Res. J. Int., Vol. 29. 10.9734/mrji/2019/v29i430170.
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4. Nwosu, I.G., G.O. Abu and K.O. Agwa, 2019. Production of microbial exopolysaccharide by cost-effective medium opimization method. J. Adv. Microbiol., Vol. 19. 10.9734/jamb/2019/v19i230189.
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5. Nwankwo, U.N. and O.K. Agwa, 2019. Growth response of Chlorella vulgaris to cultivation on different cassava waste mixtures. Electron. J. Biol., 15: 68-78.
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6. Effiong, E., O.K. Agwa and G.O. Abu, 2019. Optimization of biosurfactant production by a novel rhizobacterial Pseudomonas species. World Sci. News, 137: 18-30.
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7. Effiong, E., O.K. Agwa and G.O. Abu, 2019. Niche-proxies of hydrocarbon-impacted rhizosphere soil of weeds of Bodo in Gokana, Rivers State, Nigeria. Arch. Curr. Res. Int., Vol. 19. 10.9734/acri/2019/v19i430161.
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8. Chioma, D.M. and O.K. Agwa, 2019. Optimization for oxalic acid production by Aspergillus niger using response surface methodology. J. Adv. Microbiol., Vol. 17. 10.9734/jamb/2019/v17i330145.
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9. Effiong, E., O.K. Agwa and G.O. Abu, 2018. Algal-biomass production from Chlorella sp. using hot and cold water infusions of poultry droppings. Asian J. Biotechnol. Bioresour. Technol., Vol. 4. 10.9734/ajb2t/2018/v4i430048.
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10. Chioma, D.M. and O.K. Agwa, 2018. Production of oxalic acid by Aspergillus niger using Chlorella vulgaris grown with an industrial effluent as a potential feedstock. Curr. Trends Biomed. Eng. Biosci., 16: 20-25.
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11. Agwa, O.K., I.G. Nwosu and G.O. Abu, 2018. Saccharification and bioethanol fermentation of carbohydrate-extracted microalgal biomass by genetically identified organisms. J. Biotechnol. Biomater., Vol. 8. 10.4172/2155-952X.1000279.
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12. Agwa, O.K., C.J. Ogugbue and E.E. Williams, 2018. Growth promotion of Telfairia occidentalis by application of Chlorella vulgaris (bioinoculant) colonized seeds and soil under tropical field conditions. Am. J. Plant Sci., 9: 403-415.
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13. Agwa, O.K., N.J. Eze and G.C. Okpokwasili, 2017. Mutagenic potentials of potable water from ground sources. The Open Biotechnol. J., 11: 81-88.
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14. Agwa, O.K. and L.N. Ossai-Chidi, 2016. Surveillance of the microbial quality of soybean products sold within markets in Port Harcourt Metropolis, Rivers State, Nigeria. Food Public Health, 6: 130-139.
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15. Agwa, O.K. and G.O. Abu, 2016. Influence of various nitrogen sources on biomass and lipid production by Chlorella vulgaris. Br. Biotechnol. J., 15: 1-13.
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16. Agwa, O. Kenechukwu, S. Leera, Harrison and I. Samuel, 2016. Microbial quality of canned fish stored under cold and ambient temperature and their public health significance. Nig. J. Microbiol., 30: 3473-3483.
17. Njoku, O.E., O.K. Agwa and A.A. Ibiene, 2015. Antibiotic susceptibility profile of bacteria isolates from some fishponds in Niger Delta region of Nigeria. Br. Microbiol. Res. J., 7: 167-173.
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18. Njoku, O.E., O.K. Agwa and A.A. Ibiene, 2015. An investigation of the microbiological and physicochemical profile of some fish pond water within the Niger Delta Region of Nigeria. Afr. J. Food Sci., 9: 155-162.
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19. Kenechukwu, A.O. and O.C.L. Ndidi, 2015. Public health significance of food borne pathogens in edible flours. Afr. J. Microbiol. Res., 9: 509-514.
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20. Agwa, O.K., F.O. Osakuade and L.N. Ossai-Chidi, 2015. Microbiological assessment and Antimicrobial properties of calabash chalk. Int. J. Sci. Nat., 6: 36-39.
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21. Ozoude, T.O., E.C. Wokoma, O. Agwa and O.E. Effiom, 2014. Determination of the factors affecting the activity of invertase produced by soil Streptomyces isolated from selected sites in the Oyigbo local government area of rivers state, Nigeria. J. Sci. Eng. Technol., 3: 21-24.
22. Neboh, H.A., O.K. Agwa and G.O. Abu, 2014. Growth of Chlorella sp. on flue gas. Br. J. Applied Sci. Technol., 4: 749-763.
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23. Agwa, O.K., L.N. Ossai-Chidi and C.A. Ezeani, 2014. Microbial evaluation of orange fruit juice sold in Port Harcourt, Nigeria. Am. J. Food Sci. Nutr. Res., 1: 28-33.
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24. Agwa, O.K., H.A. Neboh, L.N. Ossai-Chidi and M.C. Okoli, 2014. Cultivation of microalgae using Cassava wastes as a growth media. J. Algal Biomass Utiliz., 5: 8-19.
25. Agwa, O.K. and G.O. Abu, 2014. Utilization of poultry waste for the cultivation of Chlorella sp. for biomass and lipid production. Int. J. Curr. Microbiol. Applied Sci., 3: 1036-1047.
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26. Agwa, O.K., S.N. Ibe and G.O. Abu, 2013. Heterotrophic cultivation of Chlorella sp. using different waste extracts. Int. J. Biochem. Biotechnol., 2: 289-297.
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27. Agwa, O.K., E. Sito and C.J. Ogugbue, 2013. A spatial assessment of the microbiological and physicochemical quality of a stream receiving raw abattoir waste. Middle-East J. Scient. Res., 14: 879-886.
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28. Agwa, O.K., B.P. Akiene and E.A. Obichi, 2013. Preliminary phytochemical analysis and antimicrobial screening of the bark extracts of Myrianthus arboreus. Int. J. Mod. Agric., 2: 48-57.
29. Uzoigwe, C.I. and O.K. Agwa, 2012. Microbiological quality of water collected from boreholes sited near refuse dumpsites in Port Harcourt, Nigeria. Afr. J. Biotechnol., 11: 3135-3139.
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30. Agwa, O.K., S.N. Ibe and G.O. Abu, 2012. Economically effective potential of Chlorella sp. for biomass and lipid production. J. Microbiol. Biotechnol. Res., 2: 35-45.
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31. Agwa, O.K., S.N. Ibe and G.O. Abu, 2012. Biomass and lipid production of fresh water algae Chlorella sp. using locally formulated media. Int. Res. J. Microbiol., 3: 288-295.
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32. Agwa, O.K., S.N. Ibe and G.O. Abu, 2012. Assessment of cow dung waste for the laboratory cultivation of Chlorella for lipid production. Asian J. Microbiol. Biotechnol. Environ. Sci., 14: 1-6.
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33. Agwa, O.K., C.I. Uzoigwe and E.C. Wokoma, 2012. Incidence and antimicrobial sensitivity of Bacillus cereus isolated from ready to eat foods sold in some markets in Port Harcourt, Rivers State. Asian J. Microbiol. Biotechnol. Environ. Sci., 14: 13-18.
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34. Agwa, O.K., C.I. Uzoigwe and A.O. Mbaegbu, 2012. Antimicrobial activity of camwood (Baphia nitida) dyes on common human pathogens. Afr. J. Biotechnol., 11: 6884-6890.
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35. Uzoigwe, C.I. and O.K. Agwa, 2011. Antimicrobial activity of Vernonia amygdalina on selected urinary tract pathogens. Afr. J. Microbiol. Res., 5: 1467-1472.
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36. Agwa, O.K., W. Chuku and E.A. Obichi, 2011. The in vitro effect of Myrianthus arboreus leaf extract on some pathogenic bacteria of clinical origin. J. Microbiol. Biotechnol. Res., 1: 77-85.
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37. Agwa, O.K., F.S. Ire and G.O. Abu, 2011. An investigation of the distribution of microalgae within an oil production facility in the Niger Delta region of Nigeria. Int. Res. J. Microbiol., 2: 428-436.
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38. Agwa, O.K. and E.C. Wokoma, 2011. Assessment of the microbiological quality of camwood (Baphia nitida) Lodd from different locations in Nigeria. Asian J. Microbiol. Biotechnol. Environ. Sci., 13: 435-439.
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39. Wokoma, E.C. and O.K. Agwa, 2009. Ringworm infections among primary school children in Obio-Akpor local government area of Rivers State, Nigeria. Asian J. Microbiol. Biotechnol. Environ. Sci., 11: 1-6.
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40. Wokoma, E.C., I.E. Essien and O.K. Agwa, 2007. The in vitro antifungal activity of garlic (Allium sativum) and Onion (Allium cepa) extracts against dermatophytes and yeast. Niger. J. Microbiol., 21: 1478-1484.
41. Umeh, C.N. and O.K. Agwa, 2001. Conversion of corn cob wastes into alcohol. World J. Biotechnol., 2: 287-291.