DAVID OLUGBENGA ADETITUN

@unilorin.edu.ng

Senior Lecturer
UNIVERSITY OF ILORIN



                    

https://researchid.co/papayoyo

Dr. David Olugbenga Adetitun is a senior lecturer and a specialist researcher, scholar, and teacher in environmental microbiology. He has won several scholarships and awards, including the Fulbright visiting scholar award to USA and the Association of African Universities (AAU) small grants for theses and dissertations. He has over 40 scholarly peer reviewed publications. He has supervised over 100 undergraduate students’ projects. He has also supervised more than eight master's and PhD students. He has served as the timetable and examinations officer of the department and also as the financial secretary of the Academic Staff Union of Universities (ASUU), University of Ilorin.

EDUCATION

B. Sc., M. Sc. and Ph. D. Microbiology. University of Ilorin.

RESEARCH, TEACHING, or OTHER INTERESTS

Microbiology, Environmental Science, Ecology, Pollution

FUTURE PROJECTS

Application of Nanoparticles in Investigating the Biodegradation of Phenolics in Industrial Wastewaters

Nanoparticles, due to their unique properties, have the potential to enhance the biodegradation process of phenolic compounds in wastewater. The high surface area-to-volume ratio of nanoparticles allows for increased interaction between the microorganisms and the phenolic compounds, leading to improved degradation efficiency. Additionally, nanoparticles can act as catalysts or carriers for enzymes or microorganisms, further enhancing the biodegradation process . Phenolic compounds are widely used in various industries, such as the production of plastics, pesticides, and pharmaceuticals. However, the release of phenolic compounds into the environment can have harmful effects on ecosystems and human health. Biodegradation, the process by which microorganisms break down organic compounds, is a promising method for the remediation of phenolic compounds in industrial wastewater. Industrial wastewaters are an environmental concern.


Applications Invited
Collaborator

Investigating the Biodegradation of Phenolics in Industrial Wastewaters

The investigation of the biodegradation of phenolics in industrial wastewater is an active area of research. It involves studying the mechanisms involved in the degradation process, identifying the microorganisms responsible for the degradation, and optimizing the conditions for the process to occur. This research aims to provide insights into the biodegradation of phenolics and to develop effective treatment strategies for the removal of these pollutants from industrial wastewaters. Phenolics are a class of organic compounds that are widely used in various industrial processes, including the production of plastics, resins, and adhesives. As a result, phenolics are frequently found in wastewater streams from these industries, which can pose a significant environmental hazard if not properly treated. Biodegradation is a promising approach to treating phenolic-containing wastewater, as it relies on the use of microorganisms to break down these compounds into less harmful byproducts.


Applications Invited
Collaborator
5

Scopus Publications

189

Scholar Citations

7

Scholar h-index

7

Scholar i10-index

Scopus Publications


  • Degradation of hydrocarbons and lignin-like compounds by alcaligenes sp. strain 3k isolated from Ilorin
    D. Adetitun, B. Fathepure, H. Hugh, O. Kolawole and A. Olayemi


    The primary goal of this study was to isolate hydrocarbon-degrading organisms and assess their ability to bioremediate petroleum-contaminated soil and water. Nigeria is one of the major oil producing countries and petroleum contamination is widespread in agricultural soil. Alcaligenes sp. strain 3k was isolated from a kerosene-polluted soil in Ilorin, Nigeria. We also assessed its ability to degrade plant lignin, as lignin is a complex aromatic heteropolymer commonly found in soil and aquifer environment.  Strain 3k was originally grown on mineral salts medium with kerosene as a sole energy and carbon source. The capacity of the isolate to degrade both aromatic, aliphatic hydrocarbons and lignin-like compounds was tested. Among the tested compounds, the organism utilized kerosene, hexadecane, cyclohexane, phenol and benzoate as the sole sources of carbon. In addition, strain 3k also degraded various lignocellulose compounds as the sole source of carbon.  However, hexane, benzene, toluene, ethylbenzene and xylene were not metabolized. Our study demonstrates that soil organisms like Alcaligenes could play important role in the reclamation of petroleum-contaminated soil and water.  Utilization capacity of lignin as the sole carbon source suggest that these organisms can survive on plant detritus and also have the ability to degrade hydrocarbons upon accidental or deliberate contamination of agricultural soil and water.

  • Levels of some polyaromatic hydrocarbons, heavy metals and capacity of microbes isolated from soil contaminated with diesel to utilize hexadecane


  • Synthesis, thermal properties, and biological study of metal(II) nicotinamide complexes containing fumarate dianion and fumaric acid: Crystal structure of [Ni(H<inf>2</inf>O)<inf>4</inf>(nia)<inf>2</inf>](fum)·(H<inf>2</inf>fum)
    Adedibu C. Tella, Samson O. Owalude, Gift Mehlana, Sunday J. Olatunji, David O. Adetitun, Mathew O. Kolawole, Nzikahyel Simon, and Lukman O. Alimi

    Informa UK Limited
    ABSTRACT New divalent transition metal nicotinamide (nia) complexes containing fumarate (fum) dianion and fumaric acid (H2fum), [M(H2O)4(nia)2](fum)·(H2fum) [M = Co (1), Cu (2), and Ni (3)] have been synthesized.The compounds were characterized by elemental analyses, infrared, UV-vis, XRPD, and TGA. Structural analysis of 3 using single-crystal X-ray diffraction technique revealed that the Ni(II) ion is coordinated by four aqua and two nia ligands in an octahedral geometry. The structure of 3 is completed with fumarate (fum2−) dianion acting as a counterion while fumaric acid (H2fum) is present as a molecule of solvation. The three complexes were investigated for biological activities.


RECENT SCHOLAR PUBLICATIONS

  • Ecological Implications Of Bacterial Degradation Of Alkanes In Petroleum-Contaminated Environments: A Review Of Microbial Community Dynamics And Functional Interactions
    DO Adetitun, RB Tomilayo
    Global Journal of Pure and Applied Sciences 29 (2), 133-144 2023

  • Bacterial degradation of phenol: a review of the current state of knowledge
    DO Adetitun, RB Tomilayo
    Ife Journal of Science 25 (3), 441-456 2023

  • Utilization of benzoate and phenol by Bacillus pumilus in saline and non-saline cultures
    DO Adetitun, BO Adeyemi, DA Leonard
    The Society For Experimental Biology Of Nigerian (NISEB). 2022

  • Effects of Variations in Sodium Chloride Concentrations on the Biodegradation of Heptane by Alcaligenes species
    DO Adetitun, CI Adesanya
    ABUAD International Journal of Natural and Applied Sciences 1 (1), 47-51 2021

  • Phenol Utilization by Aspergillus flavus Isolated from River and Wastewater
    DO Adetitun, AT Akanbi
    NISEB Journal 19 (1) 2021

  • Biodegradation of hydrocarbons by Bacillus cereus isolated from indoor and outdoor air of selected hospitals in Ilorin, Kwara State, Nigeria
    DO Adetitun, RB Tomilayo, MB Oguntoye, AA Raheem
    Journal of Applied Sciences and Environmental Management 24 (6), 985-989 2020

  • Analysis of the impact of Colour of Storage Container and Storage Conditions on Bacteria flora Water
    DO Adetitun, FO Ologun
    Ilorin Journal of Science 7 (1), 23-39 2020

  • Biochemical analysis of some fruit peels and comparison of Lactic acid production by authochthonous Lactic acid bacteria using fruit peels
    MO Arekemase, DO Adetitun, MI Ahmed
    Sri Lankan J. Biol 5, 15 2020

  • Application of cellulose acetate reinforced nanocomposite fluorescence film as filter and bio-packaging material with antibacterial properties
    Y Azeh, DO Adetitun, GA Olatunji, FA Adekola
    Annals of Science and Technology 5 (1), 45-55 2020

  • Biodegradation of phenol by a newly isolated Pseudomonas sp. strain B1 from tiger nuts
    DO Adetitun, AO Akinbowale, K Dutta
    Covenant Journal of Physical and Life Sciences 2020

  • Different approaches to the biodegradation of hydrocarbons in halophilic and non-halophilic environments
    DO Adetitun
    Current Microbiological Research in Africa: Selected Applications for 2020

  • Utilization of Decane, Heptane, Petrol and hexadecane by fungi isolated from engine oil contaminated soil in Ilorin
    DO Adetitun, RD Sulaiman, MB Oguntoye
    Journal of Applied Sciences and Environmental Management 23 (9), 1671-1676 2019

  • Levels of Some Polyaromatic Hydrocarbons, Heavy Metals and Capacity of Microbes Isolated from Soil Contaminated with Diesel to Utilize Hexadecane
    H Okoro, D Adetitun, A Olayemi, O Afolabi, O Okunola, B Uche, P Olupinla
    Moroccan Journal of Chemistry 7 (3), 7-3 (2019) 460-473 2019

  • Degradation of Hydrocarbons and Lignin-like compounds by Alcaligenes sp. strain 3k isolated from Ilorin
    DO Adetitun, B Fathepure, H Hugh, OM Kolawole, AB Olayemi
    Pollution 5 (2), 269-277 2019

  • Sensitivity pattern of some commercial antibiotics to bacteria isolated from cotton leaf treated well water.
    DO Adetitun, MB Oguntoye, OM Kolawole
    Nigerian Research Journal of Engineering and Environmental Sciences 4 (1 2019

  • Biodegradation of jet fuel by three Gram negative Bacilli isolated from kerosene contaminated soil
    D Adetitun, V Akinmayowa, O Atolani, A Olayemi
    Pollution 4 (2), 291-303 2018

  • Laboratory Practicals in Microbiology
    AB Olayemi, A Sani, GP Oyeyiola, PF Omojasola, OM Kolawole, ...
    Department of Microbiology, University of Ilorin, Nigeria 2018

  • Impact of cypermethrin and chlorpyrifos on microbial activity and biomass in a Nigerian soil
    OO Adebisi, DO Adetitun, AB Olayemi
    Manila Journal of Science 11, 97-111 2018

  • Effects of Environmental Conditions and Nutritional Factors on Biosurfactant Production by Bacteria from Diesel Contaminated Soil.
    FC Samuel-Osamoka, OM Kolawole, DO Adetitun
    Nigerian Journal of Technological Research 13 (1), 113-122 2018

  • Synthesis, thermal properties, and biological study of metal (II) nicotinamide complexes containing fumarate dianion and fumaric acid: Crystal structure of [Ni (H2O) 4 (nia) 2
    AC Tella, SO Owalude, G Mehlana, SJ Olatunji, DO Adetitun, ...
    Inorganic and Nano-Metal Chemistry 47 (6), 859-864 2017

MOST CITED SCHOLAR PUBLICATIONS

  • Antimicrobial activities of Vernonia amygdalina against oral microbes
    I ANIBIJUWON, B OLADEJO, D ADETITUN, O KOLAWOLE
    IDOSI Publications 2012
    Citations: 53

  • In-vitro Sensitivity of Selected Enteric Bacteria to Extracts of Allium sativum L.
    MO AREKEMASE, DO ADETITUN, GP OYEYIOLA
    Notulae Scientia Biologicae 5 (2), 183 2013
    Citations: 16

  • Biodegradation of jet fuel by three Gram negative Bacilli isolated from kerosene contaminated soil
    D Adetitun, V Akinmayowa, O Atolani, A Olayemi
    Pollution 4 (2), 291-303 2018
    Citations: 13

  • Antimicrobial Effect of the Leaf Extracts of Moringa oleifera on Some Selected Clinical Bacterial Isolates
    DO Adetitun, HK Araoye, JA Akinyanju, II Anibijuwon
    Agrosearch 13 (1), 95-114 2013
    Citations: 13

  • Bacteriological Analysis and Effect of Water Consumption on the Haematological Parameters in Rats
    O KOLAWOLE, F ALAMU, A OLAYEMI, D ADETITUN
    International Journal of Plant, Animal & Environmental Sciences. 2013
    Citations: 13

  • Degradation of Hydrocarbons and Lignin-like compounds by Alcaligenes sp. strain 3k isolated from Ilorin
    DO Adetitun, B Fathepure, H Hugh, OM Kolawole, AB Olayemi
    Pollution 5 (2), 269-277 2019
    Citations: 11

  • Synthesis, thermal properties, and biological study of metal (II) nicotinamide complexes containing fumarate dianion and fumaric acid: Crystal structure of [Ni (H2O) 4 (nia) 2
    AC Tella, SO Owalude, G Mehlana, SJ Olatunji, DO Adetitun, ...
    Inorganic and Nano-Metal Chemistry 47 (6), 859-864 2017
    Citations: 10

  • Biochemical analysis of some fruit peels and comparison of Lactic acid production by authochthonous Lactic acid bacteria using fruit peels
    MO Arekemase, DO Adetitun, MI Ahmed
    Sri Lankan J. Biol 5, 15 2020
    Citations: 7

  • Molecular identification of hydrocarbon-degrading bacteria isolated from alfisol-loam experimentally-contaminated with gasoline.
    DO Adetitun, AB Olayemi, OM Kolawole, B Fathepure
    Biokemistri 2016
    Citations: 7

  • Hydrocarbon-degrading capability of bacteria isolated from a maize-planted, kerosene-contaminated ilorin alfisol
    DO Adetitun, AB Olayemi, OM Kolawole
    Biokemistri 26 (1), 13–18-13–18 2014
    Citations: 7

  • Different approaches to the biodegradation of hydrocarbons in halophilic and non-halophilic environments
    DO Adetitun
    Current Microbiological Research in Africa: Selected Applications for 2020
    Citations: 6

  • Biodegradative activities of some gram-negative bacilli isolated from kerosene treated soil grown with cowpea (Vigna unguiculata)
    DO Adetitun, OD Awoyemi, OO Adebisi, OM Kolawole, AB Olayemi
    Agrosearch 16 (1), 39-55 2016
    Citations: 5

  • Surveillance of the condition of bacteria and Amaranthus viridis in a gasoline contaminated soil
    DO Adetitun, AB Olayemi, OM Kolawole, OM Akintunde, II Anibijuwon
    Scientific Research and Essays 8 (23), 1082-1088 2013
    Citations: 5

  • Environmental health hazard assessment of hospital wastes in Ilorin Metropolis
    PF Omojasola, DO Adetitun, OO Oshin, TP Omojasola
    Nigerian Journal of Microbiology 23 (1), 1878-1885 2009
    Citations: 5

  • Biodegradation of hydrocarbons by Bacillus cereus isolated from indoor and outdoor air of selected hospitals in Ilorin, Kwara State, Nigeria
    DO Adetitun, RB Tomilayo, MB Oguntoye, AA Raheem
    Journal of Applied Sciences and Environmental Management 24 (6), 985-989 2020
    Citations: 4

  • Application of cellulose acetate reinforced nanocomposite fluorescence film as filter and bio-packaging material with antibacterial properties
    Y Azeh, DO Adetitun, GA Olatunji, FA Adekola
    Annals of Science and Technology 5 (1), 45-55 2020
    Citations: 3

  • Utilization of Decane, Heptane, Petrol and hexadecane by fungi isolated from engine oil contaminated soil in Ilorin
    DO Adetitun, RD Sulaiman, MB Oguntoye
    Journal of Applied Sciences and Environmental Management 23 (9), 1671-1676 2019
    Citations: 2

  • Impact of cypermethrin and chlorpyrifos on microbial activity and biomass in a Nigerian soil
    OO Adebisi, DO Adetitun, AB Olayemi
    Manila Journal of Science 11, 97-111 2018
    Citations: 2

  • Biodegradation of hydrocarbons by autochthonous bacteria isolated from kerosene and gasoline experimentallycontaminated soil. Submitted Ph. D
    DO Adetitun
    Thesis. University of Ilorin 2017
    Citations: 2

  • Biodegradation of phenol by a newly isolated Pseudomonas sp. strain B1 from tiger nuts
    DO Adetitun, AO Akinbowale, K Dutta
    Covenant Journal of Physical and Life Sciences 2020
    Citations: 1

Publications

1. Omojasola, P.F., Adetitun, D.O., Oshin, O.O. & Omojasola, T.P. (2009): Environmental Health Hazard Assessment of Hospital Wastes in Ilorin Metropolis. Nigerian Journal of Microbiology. 23(1); 1878-1885, Published by Nigerian Society for Microbiology. Available online at
2. Adetitun, D. O. and Oyeyiola, G. P. (2011). Environment Health Hazard Assessment of Municipal Wastes in Ilorin Metropolis. International Research Journal of Microbiology. 2(7); 220-225.
3. Anibijuwon, I.I., Adetitun, D.O., Kelly, B.A. And Bankefa, E.O. (2012). Antibiotic Sensitivity Pattern of Bacteria Isolated from Ear Discharge. International Journal of Biology, Pharmacy And
Allied Sciences. 1(6):795-805.
4. Anibijuwon, I.I., Oladejo, B.O., Adetitun, D.O. and Kolawole, O. M. (2012). Antimicrobial Activities of Vernonia amigdalina against Oral Microbes. Global Journal of Pharmacology. 6 (3):178-185.
5. Kolawole, O.M., Anibijuwon, I.I., Adetitun, D.O., Babatunde, S.K. & Anjorin, E. (2012): Antimicrobial activity of some synthetic compounds on fungi associated with post harvest rot of red pepper (Capsicum annum). Notulae Scientia Biologicae. 4(4);45-48, Published by University of Agricultural Sciences and Veterinary Medicine (UASVM), Cluj-Napoca, Romania. Available online at
6. Adetitun, D.O., Araoye, H.K., Akinyanju, J.A. & Anibijuwon, I.I. (2013): The antimicrobial effects of the leaf extracts of Moringa oleifera on

GRANT DETAILS

i. CITA Petroleum Limited Research Grant (100,000 USD) 2014 – 2016
ii. Association of African Universities. Small Grants for Thesis and Dissertations (3,500USD) 2014/2015