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D. N. Ogbonna

Publications (31)

Physiochemistry and Microbiological Quality of Surface Water Body around Port Terminals in Southern Nigeria

D. N. Ogbonna, E. M. Anthony & L. B. Kpormon · Microbiology Research Journal International · 2023

Anthropogenic activities around the sea ports are capable of causing changes on the physicochemical and microbiological quality of water bodies along the port terminals. Such activities can cause an ecological imbalance in the water quality /ecosystem resulting in extinction of a...

Open access Research Article 10.9734/mrji/2023/v33i21367

Ecological Risk Assessments of Heavy Metal Contamination in Water, Sediment and Biota of Otamiri and Imo Rivers, Nigeria

D. N. Ogbonna, O. O. Ndukwu, T. K. S. Abam & S. A. Ngah · Journal of Scientific Research and Reports · 2021

Heavy metals pollution of the environment is a serious concern because of the hazardous effects they pose to human health, ecosystems and other biological receptors. The aim of this study was to assess the ecological risk of exposure to heavy metals and physicochemical parameters...

Open access Research Article 10.9734/jsrr/2021/v27i1130462

Culture-Dependent and Metagenomic Profiling of Eukaryal Diversity in Petroleum Hydrocarbon-Polluted Soil from B-Dere, Gokana, Rivers State, Nigeria

D. N. Ogbonna, I. R. Udotong, N. Basi & R. R. Nrior · Journal of Advances in Microbiology · 2021

B-Dere is one of the communities in Ogoniland and a major oil producing area in Rivers State where oil exploration and production activities commenced 50 years ago and is now characterized by oil fields and installations that have remained dormant for several decades. Past spills...

Open access Research Article 10.9734/jamb/2021/v21i1230414

Molecular Characterisation and Plasmid Profiling of Hydrocarbon Utilizing Bacteria Isolates from Wetlands in Rivers State, Southern Nigeria

D. N. Ogbonna, P. M. Chibuike & J. O. Williams · Microbiology Research Journal International · 2021

Wetlands can intercept runoff from surfaces prior to reaching open water and remove pollutants through physical, chemical, and biological processes thereby protecting and preserving the environment.  Because of unsustainable oil exploration activities, most wetlands in Rivers Sta...

Open access Research Article 10.9734/mrji/2021/v31i730334

Public Health Problems associated with Informal Settlements around Waterfront Communities in Port Harcourt, Nigeria

D. N. Ogbonna, J. O. Ogbuku, S. A. Ngah & A. Ayotamuno · Current Journal of Applied Science and Technology · 2021

Port Harcourt municipality, southern Nigeria, is faced with environmental problems with slums and informal settlements communities, ranging from use of poor and overstressed facilities and inadequate water and electricity supplies and lack appropriate garbage disposal facilities...

Open access Research Article 10.9734/cjast/2021/v40i3231552

Microbiological Assessment of Elechi Creek Receiving Wastewater Effluents from Industrial Operations in Port Harcourt City

D. N. Ogbonna, P. C. Meregini-Ikechukwu & L. B. Kpormon · South Asian Journal of Research in Microbiology · 2021

Disposal of wastewater and other effluents into water bodies from activities around water bodies have for long been of major concern and challenge to the environment leading to several infectious diseases. The amount of industrial untreated solid wastes from companies, wastewater...

Open access Research Article 10.9734/sajrm/2021/v10i430237

Effect of Port Activities on the Physicochemical and Microbiological Quality of Surface Water in Warri and Onne Port Terminals, Nigeria

D. N. Ogbonna, S. A. Ngah & E. M. Anthony · Journal of Applied Life Sciences International · 2021

Activities around the port terminals such as cargo handling, and others has environmental implications both inside and outside the port area which may in turn pose severe risks to the environment and water resources resulting to adverse effect on the physicochemical and microbiol...

Open access Research Article 10.9734/jalsi/2021/v24i230222

Genomic Characterization and Plasmid Profile of Listeria and Salmonella Species Isolated from Oreochromis niloticus Sold in Port Harcourt, Rivers State, Nigeria

D. N. Ogbonna, N. N. Odu & V. Daminabo · International Journal of Pathogen Research · 2021

Fish are generally regarded as safe, nutritious and beneficial but aquaculture products have sometimes been associated with certain food safety issues. Consumption of fish may also cause diseases due to infection or intoxication, Hence, the aim of this study is to characterize us...

Open access Research Article 10.9734/ijpr/2021/v6i330165

Percentage Bioremediation Assessment of Spent Mushroom Substrate (SMS) and Mucor racemosus in Hydrocarbon Contaminated Soil

D. N. Ogbonna, S. A. Ngah, R. N. Okparanma, O. Ule & R. R. Nrior · Journal of Advances in Microbiology · 2020

Aim: The aim of the study was to assess Percentage Bioremediation of Spent Mushroom Substrate (SMS) and Mucor racemosus in hydrocarbon contaminated soil Place and Duration of Study: A portion of Rivers State University demonstration farmland in Nkpolu-Oroworukwo, Mile 3 Diobu are...

Open access Research Article 10.9734/jamb/2020/v20i1230305

Characterization of Hydrocarbon Utilizing Bacteria and Fungi Associated with Crude Oil Contaminated Soil

D. N. Ogbonna, S. I. Douglas & V. G. Awari · Microbiology Research Journal International · 2020

Many substances known to have toxic properties are regularly introduced into the environment through human activity. These substances which include hydrocarbons range in degree of toxicity and danger to human health. Frequent oil spills incidents have become a problem to ecologic...

Open access Research Article 10.9734/mrji/2020/v30i530221

Characteristics and Antibiogram Studies of Bacteria Associated with Vegetables Stored In Raffia Baskets in Nigeria

D. N. Ogbonna, S. I. Douglas & M. E. Inana · Journal of Applied Life Sciences International · 2019

Raffia baskets are used in rural communities to preserve fresh vegetables for a given period of time. This method of storage is aimed at extending the shelf life of the vegetables until they are used. Thus, this study was aimed at determining the microbial succession during stora...

Open access Research Article 10.9734/jalsi/2019/v22i230124

Effect of Abattoir Waste Water on Physico-chemical Characteristics of Soil and Sediment in Southern Nigeria

D. N. Ogbonna & T. J. K. Ideriah · Journal of Scientific Research and Reports · 2014

Aim: The study was carried out to evaluate the biophysical properties of samples contaminated by abattoir wastes. The study aims to determine the physico-chemical properties of samples contaminated by abattoir wastes in order to create public awareness about the state and health...

Open access Research Article 10.9734/JSRR/2014/7907

Antibiogram Pattern of Bacteria Isolates from Ground Water (Borehole Water) Resources in Port Harcourt, Southern Nigeria

O. G. Eddeh-Adjugah, D. N. Ogbonna, S. A. Ngah & P. O. Youdeowei · Asian Journal of Environment & Ecology · 2022

The study considered antibiogram of bacteria isolates from selected ground water (borehole water) resources susceptibility pattern of the isolated microorganisms in Port Harcourt during the dry and wet season of 2020. Seven (7) sampling locations designated as Abuloma, Borikiri,...

Open access Research Article 10.9734/ajee/2022/v18i330317

Evaluation of Microbiological Quality of Water, Sediment and Soil Characteristics in Okrika Local Government Area, Rivers State, Nigeria

Ogolo Ibinabo, D. N. Ogbonna & T. K. S. Abam · South Asian Journal of Research in Microbiology · 2022

Water is the most important resource on earth and safe drinking water is essential to sustain life. Most rural communities do not treat their water before consumption. Therefore, the aim of this study was to evaluate the microbiological quality of water, sediment and soil charact...

Open access Research Article 10.9734/sajrm/2022/v12i130264

Environmental Impacts of Sand Mining in Some Coastal Communities in Port Harcourt Metropolis Nigeria

M. C. A. Ohaeri, D. N. Ogbonna, A. E. Gobo & S. A. Ngah · Journal of Applied Life Sciences International · 2021

Sand mining activity is one of the serious environmental problems, as the rivers are widely exploited for river bed materials like sand resulting in land and river bed degradation as well as loss of riparian habitat. The aim of this research was to assess the environmental impact...

Open access Research Article 10.9734/jalsi/2021/v24i1030265

Phytoremediation of Crude Oil Polluted Microbial Augmented Soil Using Cyperus esculentus and Phyllanthus amarus

J. O. Dasetima-Altraide & D. N. Ogbonna · Current Journal of Applied Science and Technology · 2021

Aim: To assess the phytoremediation potential of Cyperus esculentus and Phyllanthus amarus in crude oil polluted soil and ascertain the enhancement of augmented microbes (fungi). Study Design: The study employs experimental design, statistical analysis of the data and interpretat...

Open access Research Article 10.9734/cjast/2021/v40i3331562

Physicochemical Indices of Phyto Remediated Hydrocarbon Polluted Soil and the Effect of Bio-nutrient Amendment

J. O. Dasetima-Altraide, D. N. Ogbonna, T. K. S. Abam & A. E. Gobo · Microbiology Research Journal International · 2021

Aim: To assess the Physicochemical indices of Phytoremediated Crude Oil polluted amended soil using grass plant Cyperus esculentus (Cyp) and Phyllanthus amarus (Phy). Study Design: The study employs experimental design, statistical analysis of the data and interpretation. Place a...

Open access Research Article 10.9734/mrji/2021/v31i830338

Antibiogram of Listeria and Salmonella Species Isolated from Tilapia Fish (Oreochromis nitolicus) and Snail (Archachatina marginata) Sold in Port Harcourt, Nigeria

N. N. Odu, D. N. Ogbonna & V. Daminabo · Journal of Advances in Microbiology · 2021

Land snails are ubiquitous creatures found on farms, forests and domesticated in homes. Bacteriological studies indicate that various potentially pathogenic bacteria inhabit different organs and tissues including the haemolymph of the African giant snail, the presence of pathogen...

Open access Research Article 10.9734/jamb/2021/v21i330335

Myco-enhanced Bioremediation in Open Field Crude Oil Contaminated Soil Using Mucor racemosus and Aspergillus niger

O. Ule, D. N. Ogbonna, R. N. Okparanma & R. R. Nrior · Current Journal of Applied Science and Technology · 2021

Aim: To assess the Mycoremediation potential of Mucor racemosus and Aspergillus niger in open field crude oil contaminated soils in Rivers State, Nigeria.  Study Design: The study employs experimental design, statistical analysis of the data and interpretation. Place and Duration...

Open access Research Article 10.9734/cjast/2021/v40i131241

Comparative Bacteriological Evaluation of Frozen and Salt Water Tilapia Fishes (Oreochromos niloticus and Oreochromos aureus) Sold in Port Harcourt, Rivers State Nigeria

V. Daminabo, D. N. Ogbonna & N. N. Odu · International Journal of Pathogen Research · 2021

Fishes are highly perishable, and prone to vast variations in quality due to differences in species, feeding habits as well as the environmental and preservation factors. This study Compared the bacteriological quality of Frozen and Salt Water Tilapia Fishes (Oreochromos niloticu...

Open access Research Article 10.9734/ijpr/2021/v6i130152

Prevalence and Antibiogram of Salmonella Species Isolated from Snail (Archachatina marginata) Sold in Port Harcourt, Rivers State, Nigeria

V. Daminabo, D. N. Ogbonna, N. N. Odu & L. O. Amadi · European Journal of Nutrition & Food Safety · 2020

Increase in microbial population especially Salmonella species in food due to improper handling, storage and exposure to contaminants can raise public health concerns when consumed without adequate processing. This study evaluates the prevalence and antibiogram of Salmonella spec...

Open access Research Article 10.9734/ejnfs/2020/v12i1230336

Water Quality Assessment of Elechi Creek Receiving Effluent Discharges from Industrial Activities in Port Harcourt, Nigeria

P. C. Meregini-Ikechukwu, D. N. Ogbonna & N. P. Akani · Journal of Advances in Microbiology · 2020

The Physico-chemistry and heavy metal analyses of Elechi creek were assessed to determine the level of contamination and concentration of metals in the water body. Standard analytical procedures were used during the study. The study showed that pH recorded 7.00-7.35 in surface wa...

Open access Research Article 10.9734/jamb/2020/v20i830272

Screening of Yeast Cells for the Production of Wine from Banana and Pineapple Substrates

A. Alabere, D. N. Ogbonna & J. O. Williams · Journal of Advances in Microbiology · 2020

Wine, an alcoholic beverage is usually produced from juice of variety of fruits by the fermentative action of microorganisms particularly by yeasts. Several substrates such as pineapple, banana, watermelon, pawpaw and other fruits have been used to produce wine using Saccharomyce...

Open access Research Article 10.9734/jamb/2020/v20i730264

Comparative Evaluation of Crude oil Degradability Efficiency of Bacillus amyloliquefaciens and Comamonas testosteroni in Soil

N. P. Akani, D. N. Ogbonna, S. I. Douglas & V. G. Awari · Asian Journal of Advanced Research and Reports · 2020

Comparative evaluation of crude oil degradability efficiency of Bacillus amyloliquefaciens and Comamonas testosteroni with nutrient amendment were investigated in Crude oil Contaminated Soil. The bacteria species used in this study were isolated from the soil collected from River...

Open access Research Article 10.9734/ajarr/2020/v9i230215

Bio-stimulation Approach in Bioremediation of Crude Oil Contaminated Soil Using Fish Waste and Goat Manure

V. G. Awari, D. N. Ogbonna & R. R. Nrior · Microbiology Research Journal International · 2020

Aim: This study aimed to evaluate the ability of Fish waste and Goat manure to bio-stimulate the degradation process during bioremediation of crude oil-contaminated soil. Study Design: Research was designed to evaluate and compare the strength of the organic nutrients (Goat manur...

Open access Research Article 10.9734/mrji/2020/v30i130188

Microbiological Quality and Antibiotic Susceptibility Profile of Microorganisms Associated with Stored Vegetables in Port Harcourt

M. E. Inana, D. N. Ogbonna & S. I. Douglas · Microbiology Research Journal International · 2019

Aim: Vegetables are good sources of nutrients such as minerals, oil, vitamins and carbohydrates and are used in preparing different delicacies such as soups and salads. This study was aimed at investigating the microbiological quality and antibiotic resistance pattern of microorg...

Open access Research Article 10.9734/mrji/2019/v29i230159

Technological Characteristics of Wild Non-Saccharomyces Sourced from Banana Fruit and Honey

L. C. Nnodim, N. N. Odu, D. N. Ogbonna & D. B. Kiin-Kabari · Microbiology Research Journal International · 2021

This study is aimed at evaluating the technological characteristics of wild non-Saccharomyces sourced from banana fruit and wild honey. The isolation of yeasts was done according to standard microbiological procedures. Technological traits screened for are as follows: fermentatio...

Open access Research Article 10.9734/mrji/2021/v31i1230357

Screening of Yeasts Other than Saccharomyces for Amino acid Decarboxylation

L. C. Nnodim, N. N. Odu, D. N. Ogbonna & D. B. Kiin-Kabari · Biotechnology Journal International · 2021

This study is aimed at screening non-Saccharomyces for amino acids decarboxylation potentials. The yeasts were isolated from banana fruit and honey purchased from markets in Rivers State. The isolation and molecular identification of yeast isolates were according to standard micr...

Open access Research Article 10.9734/bji/2021/v25i630157

A Comparative Analysis of the Microbial Load of Two Drying Methods for the Preservation of Clam (Tegillarca granosa)

Onyinyechi Rosemary Nwosu, Omokaro Obire, D. N. Ogbonna & S. A. Wemedo · Journal of Advances in Microbiology · 2020

Tegillarca granosa (clam) was preserved by different drying methods. The molluscan shellfish sample was smoked dried and oven dried to predict the most effective method of drying based on the microbiological quality, proximate composition and sensory evaluation of the shellfish s...

Open access Research Article 10.9734/jamb/2020/v20i1030288

Impact of Drifts Resulting from Pesticide Application on Soil Microorganisms around Waste Receptacles in Port Harcourt City, Nigeria

D. Momoh, C. L. Eze & D. N. Ogbonna · Biotechnology Journal International · 2020

Pesticides are toxic substance used to reduce or kill pests but the deposits on soil environment can remain there for long period of time causing adverse effects on soil microorganisms which are responsible for soil health conditions. This study was carried out to determine the i...

Open access Research Article 10.9734/bji/2020/v24i630118

Microbiological and Nutritional Quality of Market and Home Smoke Dried Shrimp

Nwosu, Onyinyechi Rosemary, Obire, Omokaro, S. A. Wemedo & D. N. Ogbonna · Journal of Advances in Microbiology · 2020

Bacteriological and nutritional quality of market and home smoke dried shrimp was carried out. Fresh and dried shrimps were bought from market. One set of the fresh shrimp was not rinsed before they were home smoke dried and used for analysis, another set was rinsed with clean wa...

Open access Research Article 10.9734/jamb/2020/v20i530243