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David N. Ogbonna

Publications (19)

Antibacterial Properties of Young and Mature Mango Leaves (Mangifera indica) Extract on Some Clinical Isolates

David N. Ogbonna, Queen Lugbe & Renner R. Nrior · Microbiology Research Journal International · 2022

Aim: This study was carried out to investigate the antibacterial properties and efficacy of mango (Mangifera indica) leaf extracts on some clinical isolates as test rganisms.                                                                Study Design: The study employed statistic...

Open access Research Article 10.9734/mrji/2022/v32i430378

Characteristics of Microorganisms Associated with Crude Oil Impacted Surface Water Body in Bodo/Bonny River, Nigeria

David N. Ogbonna, Lucky B. Kpormon & Matthew E. Origbe · Journal of Advances in Microbiology · 2021

The contamination of water is a serious environmental problem as it adversely affects the human health and the biodiversity in aquatic ecosystems. The organisms that inhabit the water space use oxygen for metabolic activities and the blocking of the water surface of the river by...

Open access Research Article 10.9734/jamb/2021/v21i830378

Distribution of Polycyclic Aromatic Hydrocarbons in Surface Water and Fishes in Bodo/Bonny River Nigeria

David N. Ogbonna & Matthew E. Origbe · International Journal of Environment and Climate Change · 2021

Several industrial activities around the Niger Delta region have contributed to the widespread contamination of marine ecosystems with organochlorine compounds (OCs), petroleum products that are a source of polycyclic aromatic hydrocarbons (PAHs). These pollutants tend to be pers...

Open access Research Article 10.9734/ijecc/2021/v11i630425

Heavy Metal Concentration of Surface Water, Sediment and Fishes Impacted by Crude Oil Pollution in Bodo/Bonny River, Nigeria

David N. Ogbonna & Matthew E. Origbe · Current Journal of Applied Science and Technology · 2021

Heavy metals can be released into the aquatic environment through storm-water run-off and wastewater discharges and reprocessing from various industrial and anthropogenic activities. They have the potential to be toxic to biota above certain threshold concentrations while sedimen...

Open access Research Article 10.9734/cjast/2021/v40i1831445

Physico-Chemistry of Surface Water Impacted by Crude Oil Spills in Bodo/Bonny Rivers, Nigeria

David N. Ogbonna, Sebastine A. Ngah, Patrick O. Youdeowei & Matthew E. Origbe · Journal of Applied Life Sciences International · 2021

The surface water resources of Bodo/Bonny communities in Rivers State suffers regular pollution of its ecosystem due to increase in crude oil exploration, refining and activities of other industrial establishments operating within the coastal areas of the Ogoniland of the Niger D...

Open access Research Article 10.9734/jalsi/2021/v24i530234

Performance Evaluation of Non-Saccharomyces in Wine Production

David N. Ogbonna, Janet O. Williams & Awengi Alabere · South Asian Journal of Research in Microbiology · 2020

Wines with different tastes, aromas, colours and acceptability produced through the fermentative action of yeasts are consumed worldwide Several studies have centred on the use of Saccharomyces sp. as the choice yeast for fermentation due to its desirable characteristics; however...

Open access Research Article 10.9734/sajrm/2020/v7i330175

Evaluation of Organic Nutrient Supplements and Bioaugmenting Microorganisms on Crude Oil Polluted Soils

David N. Ogbonna, I. K. E. Ekweozor, Renner R. Nrior & Festus E. Ezinwo · Current Journal of Applied Science and Technology · 2019

Aim: The aim of the study was to evaluate the impact of organic nutrient supplements and bioaugmenting microorganisms on crude oil polluted soils. Place and Duration of Study: Faculty of Agriculture Demonstration Farm, Rivers State University, Port Harcourt Nigeria. Methodology:...

Open access Research Article 10.9734/cjast/2019/v38i630395

Bioremediation Efficiency of Bacillus amyloliquefaciens and Pseudomonas aeruginosa with the Nutrient Amendment on Crude Oil Polluted the Soil

David N. Ogbonna, Renner R. Nrior & Festus E. Ezinwo · Microbiology Research Journal International · 2019

Aim: To assess the Bioremediation efficiency of Bacillus amyloliquefaciens and Pseudomonas aeruginosa strain CL 9 with nutrient amendment using bio-stimulating agents such as Fish waste and Goat manure on crude oil polluted soils in Rivers State, Nigeria. Study Design: The study...

Open access Research Article 10.9734/mrji/2019/v29i530175

Plasmid Profile and Antibiotic Resistance Pattern of Bacteria from Abattoirs in Port Harcourt City, Nigeria

David N. Ogbonna & Testimonies C. Azuonwu · International Journal of Pathogen Research · 2019

Several activities occur in abattoirs including receiving, slaughtering and sale of cattle for meat protein. In rearing of these animals, antibiotics and vaccines are incorporated as part of their meals as well as in the treatment of their infections. The regular use of antibioti...

Open access Research Article 10.9734/ijpr/2019/v2i230068

Influence of Anthropogenic Activities on the Physico-chemical Characteristics of Open Drainage Channels in Port Harcourt

David N. Ogbonna, John O. Ogbuku & Lucky B. Kpormon · Asian Journal of Advanced Research and Reports · 2019

Wastewater and sediment samples from selected locations of the Ntanwogba creek in the metropolitan city of Port Harcourt were collected. Physicochemical parameters were determined using standard analytical procedures. The results of the physicochemical analysis of the wastewater...

Open access Research Article 10.9734/ajarr/2019/v3i129783

Heavy Metal and Microbiological Characteristics of Wastewater Impacted by Anthropogenic Activities around Ntanwogba Creek in Port Harcourt City

David N. Ogbonna & John O. Ogbuku · Journal of Scientific Research and Reports · 2018

Ntanwogba creek is associated with beehive of anthropogenic activities such as mechanics and workshops, welders, sale of various household materials/accessories, motor parts, washing of cars and so many other sources of income for families living around the area in Port Harcourt....

Open access Research Article 10.9734/JSRR/2018/45950

Physico-chemical and Microbiological Characteristics of a River Mud as substrate for Biological Generation of Electricity in the Niger Delta, Nigeria

David N. Ogbonna & Obande O. Orinya · Microbiology Research Journal International · 2018

Aim: This study investigates the physico-chemical and microbiological characteristics of a river mud (sediments) as substrates for biological generation of electricity. Study Design: The study employed standard microbiological and physio-chemical experimental design and data inte...

Open access Research Article 10.9734/MRJI/2018/44112

Characterization and Multiple Antibiotic Resistance of Bacterial Isolates Associated with Fish Aquaculture in Ponds and Rivers in Port Harcourt, Nigeria

David N. Ogbonna & Mandu E. Inana · Journal of Advances in Microbiology · 2018

The transfer of resistant organisms through consumption of contaminated fish and shell fish poses a substantial risk of environmental contamination because of the practice of using medicated feeds to treat pens or cages. However, antibiotics used for animals either for therapy or...

Open access Research Article 10.9734/JAMB/2018/41073

Application of Biological Methods in the Remediation of Oil Polluted Environment in Nigeria

David N. Ogbonna · Journal of Advances in Biology & Biotechnology · 2018

Application of Biological Methods in the Remediation of Oil Polluted Environment in Nigeria The application of biological methods have been used to remediate oil contaminated land, to promote health and safety of our environments. These biological processes of remediation may be...

Open access Research Article 10.9734/JABB/2018/41036

Microbiology and Heavy Metal Content of Wetlands Impacted by Crude Oil Pollution in Rivers State, Southern Nigeria

Mebom Princess CHIBUIKE, David N. Ogbonna & Janet Olufunmilayo WILLIAMS · Microbiology Research Journal International · 2021

Wetland soils constitute vast, under-exploited and sometimes undiscovered ecologies in many countries of the World, including Nigeria. A total of 54 wetland soil samples including surface and subsurface soil at depths of 0-15 cm and 15-30 cm were collected using a sterile hand au...

Open access Research Article 10.9734/mrji/2021/v31i230296

Spatial Distribution of Bacterial Isolates from Different Abattoirs in Port Harcourt, Nigeria

Azuonwu Testimonies Chikanka & David N. Ogbonna · Journal of Advances in Microbiology · 2020

The constituents of wastes generated from abattoir activities create conducive environment for microbial proliferation, most of which are pathogenic. Infections caused by these microorganisms could result to zoonoses. This study was to determine the distribution of bacterial isol...

Open access Research Article 10.9734/jamb/2019/v19i430201

Physicochemistry and Heavy Metal Characteristics of Waste Products from Abattoir Activities in Port Harcourt, Nigeria

Azuonwu, Testimonies Chikanka, David N. Ogbonna & John Onwuteaka · Asian Journal of Advanced Research and Reports · 2019

The upsurge of abattoir operations as a result of the rise in demand for meat protein has led to a corresponding increase in waste generation. These wastes are often channelled into nearby streams with little or no treatment which exposes aquatic organisms to the resultant conseq...

Open access Research Article 10.9734/ajarr/2019/v7i430183

Resistant Genes of Microbes Associated with Abattoir Wastes

Testimonies Chikanka Azuonwu & David N. Ogbonna · Journal of Advances in Medical and Pharmaceutical Sciences · 2019

Antimicrobial drug resistance has become prominent as a universal health threat. This has been studied not only in humans but food animals as well. Many genes located on the chromosomal DNA of bacteria have been linked with drug resistance. It is therefore crucial that its occurr...

Open access Research Article 10.9734/jamps/2019/v21i230130

Susceptibility of Candida albicans, Staphylococcus aureus and Escherichia coli to Extracts of Mango (Magnifera indica)

Renner R. Nrior, Chukwuemeka J. Ugboma, Queen Lugbe & David N. Ogbonna · Journal of Advances in Microbiology · 2023

Aim: This study was carried out to investigate the Susceptibility of Candida albicans, Staphylococcus aureus and Escherichia coli to extracts from young and mature mango (Magnifera indica) leaves and stem-bark of the same plant.                                                    ...

Open access Research Article 10.9734/jamb/2023/v23i5725