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O. A. Ollor

Publications (11)

Evaluation of Phytochemical and Antibacterial Potential of Vernonia amygdalina and Elaeis guineensis on Some Bacteria Associated with Diarrhea

O. A. Ollor, A. A. Williams, E. G. Nwokah, C. K. Wachukwu & V. N. Agi · Microbiology Research Journal International · 2022

Background: Bitter leaf and palm oil combination in treating diarrhoea is common in Africa. The aim of this study is to determine the synergistic and antimicrobial potential of Vernonia amygdalina and Elaeis guineensis on bacteria isolates from diarrheic stool. Methodology: One h...

Open access Research Article 10.9734/mrji/2022/v32i430384

Investigation of Bacterial Load and Their Antimicrobial Susceptibility in an Artisanal Refining Environment

O. A. Ollor, V. N. Agi, C. A. Azike & G. T. Orji · Microbiology Research Journal International · 2022

Background: Bacteria present in the atmosphere often show predicable patterns across space and time. and these patterns and properties of the bacteria can be affected by presence of soot which is generated by artisanal refining and excessive burning of fossil fuel. These bacteria...

Open access Research Article 10.9734/mrji/2022/v32i330376

Cooking Pots: A Source of Heavy Metal Contamination of Food and Water

O. A. Ollor, J. O. Awa, C. P. Aleru, V. N. Agi & C. K. Wachukwu · Journal of Advances in Microbiology · 2022

Introduction: Certain kitchen utensils used for food preparation can present significant risk because they are manufactured with materials such as aluminum, stainless steel and enamel that can be hazardous or contaminate food when heated. Aim: The aim of this study was to determi...

Open access Research Article 10.9734/jamb/2022/v22i930484

Impact of Haemophilus influenzae Type B Vaccination on Nasal Carriage of Haemophilus influenzae in Children under Five (5) Years of Age in Obio-Akpor LGA, Nigeria

O. N. Abraham, O. A. Ollor & E. G. Nwokah · South Asian Journal of Research in Microbiology · 2026

Background: Haemophilus influenzae type b (Hib) remains an important paediatric pathogen, and Hib-containing vaccines have substantially reduced invasive Hib disease; however, the effect on nasopharyngeal carriage and concurrent antimicrobial resistance patterns remains relevant...

Open access Research Article 10.9734/sajrm/2026/v20i5505

Isolation and Identification of Microorganisms from Makeup Brushes in Rivers State University Nigeria and Its Environs

V. N. Agi, O. A. Ollor, C. A. Azike & C. V. Onwuasoanya · Journal of Advances in Microbiology · 2023

Components of makeups and cosmetic supply may serve as source and medium for the growth of microorganisms. A vast majority of females nowadays apply makeups in order to enhance their facial looks. Repetitive use and sharing of the makeup brushes by different customers may become...

Open access Research Article 10.9734/jamb/2023/v23i3715

Microorganisms Associated with Barbers Clippers in Rivers State University and Its Environs, Nigeria

V. N. Agi, O. A. Ollor, C. A. Azike & C. G. Maduforo · Journal of Advances in Medicine and Medical Research · 2023

This study was carried out to isolate and identify microorganisms that are associated with barbers’ clippers in some barbers’ shops in Rivers State University and its environment. A total of thirty (30) samples were collected from the various barbing salons both within and around...

Open access Research Article 10.9734/jammr/2023/v35i95007

Effect of Eosin Solution Exposed to Sunlight against Anopheles Mosquito Larvae

J. C. Ogbu, O. A. Ollor, E. G. Nwokah & V. N. Agi · Microbiology Research Journal International · 2022

Mosquitoes are a menace for millions of people around the world, they are vectors for destructive microorganisms which cause diseases like Malaria, Dengue fever and Lymphatic filariasis, affecting people in developing countries and areas with tropical climates. Anopheles, a predo...

Open access Research Article 10.9734/mrji/2022/v32i630394

The Prevalence Rate of Helicobacter pylori amongst Patients Presenting with Presumptive Gastritis in Rivers State, Nigeria Using Antigen Detection Method

V. N. Agi, O. A. Ollor, C. A. Azike & D. B. Naziga · Journal of Advances in Microbiology · 2022

Background: Gastritis is an inflammation of the protective lining of the stomach which has been a global burden in the past decades. It can be caused by irritation, excessive alcohol use, chronic vomiting, stress, or the use of certain medications such as aspirin or other anti-in...

Open access Research Article 10.9734/jamb/2022/v22i730468

Assessment of Physicochemical and Bacteriological Qualities of Borehole Water Sources in Gokana Local Government Area, Rivers State, Nigeria

C. P. Aleru, O. A. Ollor, V. N. Agi & C. A. Azike · International Journal of Pathogen Research · 2020

This study was carried out to assess the Physicochemical and Bacteriological qualities of borehole water sources in Gokana Local Government Area, Rivers State, Nigeria. Twenty (20) boreholes were used for the study and a total of sixty (60) water samples were collected for bacter...

Open access Research Article 10.9734/ijpr/2019/v3i3-430100

Antimicrobial Activity of Honey on Some Bacterial Isolates from Selected Brands of Sachet Water Sold within Port Harcourt, Nigeria

V. N. Agi, C. P. Aleru, C. A. Azike, O. A. Ollor & D. U. Alonyenu · European Journal of Nutrition & Food Safety · 2020

Background: The present study was carried out to assess the antimicrobial effect of honey on bacterial isolates from sachet water sold within Eligbolo Community in Port Harcourt, Nigeria. Methodology: Five brands of sachet water commonly consumed by the people living in Eligbolo...

Open access Research Article 10.9734/ejnfs/2020/v12i230191

Heavy Metals Assessment of Groundwater Contamination around Waste Management Sites in Rivers State, Nigeria

D. Dappa, Benjamin, C. K. Wachukwu, G. N. Easter & O. A. Ollor · South Asian Journal of Research in Microbiology · 2019

Groundwater being the water present beneath the earth surface is a fresh water source due to its lower tendency to be polluted but stand the risk of contamination in recent times due to increase in industrialization, population and poor waste management. Hence the heavy metal ass...

Open access Research Article 10.9734/sajrm/2019/v3i430094