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G. C. Okpokwasili

Publications (6)

Isolation and Characterization of Carbonoclastic Bacteria Diversity in Oil-contaminated Soil in Cape Coast Metropolis, Ghana

H. D. Nyarko, G. C. Okpokwasili, O. F. Joel & I. A. K. Galyuon · Microbiology Research Journal International · 2020

Aims: The study aimed at the quantification, isolation and characterization of hydrocarbon degrading bacteria in oil-contaminated and pristine soils. Methodology: Soil samples from petroleum hydrocarbon polluted sites at auto-mechanic workshops, a mechanic village, as well as pri...

Open access Research Article 10.9734/mrji/2020/v30i130191

Isolation and Molecular Characterization of Biosurfactant-Producing Yeasts from Saps of Elaeis guineensis and Raphia africana

I. V. Nwaguma, C. B. Chikere & G. C. Okpokwasili · Microbiology Research Journal International · 2019

Aim: This study investigated the screening and molecular characterization of biosurfactant-producing yeasts from saps of Elaeis guineensis (oil palm) and Raphia Africana (Raphia palm). Methodology: Physicochemical characteristics (pH, temperature, alcohol contents, and reducing s...

Open access Research Article 10.9734/mrji/2019/v29i430169

Effect of Micronutrients and Macronutrients on the Biodegradation of Phenol in Biological Treatment of Refinery Effluent

I. V. Agu, A. A. Ibiene & G. C. Okpokwasili · Microbiology Research Journal International · 2016

Background/Aim: Regulatory agencies in Nigeria and all over the world demand that refinery wastewater (RWW) meet stipulated regulatory limits before discharge into the environment. Biodegradation of toxic hydrocarbon constituents of these effluents, such as phenol, has remained a...

Open access Research Article 10.9734/MRJI/2017/30235

A Comparative Study of the Bioremediation Potentials of Inorganic Nutrient Sources

T. Sampson, C. J. Ogugbue & G. C. Okpokwasili · Microbiology Research Journal International · 2016

Aim: To evaluate the efficacy of inorganic nutrient sources in crude oil degradation. Place and Duration of Study: The study was carried out at Environmental Microbiology Department, University of Port Harcourt, Nigeria, between January and June 2015. Methodology: Hydrocarbon pol...

Open access Research Article 10.9734/BMRJ/2016/26027

Simulating Biodegradation of Hydrocarbon Pollutants under Slow Nutrient Delivery Conditions

T. Sampson, C. J. Ogugbue & G. C. Okpokwasili · Microbiology Research Journal International · 2016

Aim: Bacterial growth and petroleum hydrocarbon degradation kinetics was studied under controlled laboratory conditions, to determine and numerically simulate the fate of hydrocarbon pollutants. Study Design: A 35-day study was setup to investigate crude oil degradation and bacte...

Open access Research Article 10.9734/BMRJ/2016/25956

Multiple Antimicrobial Resistance in Vibrio spp Isolated from River and Aquaculture Water Sources in Imo State, Nigeria

C. I. Chikwendu, S. N. Ibe & G. C. Okpokwasili · Microbiology Research Journal International · 2014

Aim: To study multiple antimicrobial resistances in Vibrio spp. isolated from river and aquaculture water sources in Imo State Nigeria. Methodology: A total of 157 Vibrio isolates from river and aquaculture water sources were analysed for multiple antimicrobial resistance during...

Open access Research Article 10.9734/BMRJ/2014/4896