Professor at Joseph Sarwuan Tarka University, Nigeria
John Ogbaaji Igoli, Ph.D., is a distinguished Professor of Organic Chemistry at Joseph Sarwuan Tarka University, Makurdi, Nigeria. With a profound expertise in the application of chromatographic and spectroscopic techniques for drug discovery, his research primarily focuses on isolating and characterizing bioactive compounds from natural products. His contributions to the field extend to pharmaceutical analysis, quality control, and the development of nutraceuticals and herbal medicines.
Author Metrics
Google Scholar Profile
Citations:
- Total Citations: 2,748
- Recent Citations: 1,707
This indicates that Dr. Igoli’s work has been widely recognized in the academic community, with a significant number of citations reflecting the impact and relevance of his research over the years. The recent citation count suggests ongoing interest in his work.
h-Index:
- Overall h-Index: 28
- Recent h-Index: 21
The h-index measures both productivity and citation impact, with an overall score of 28 indicating that Dr. Igoli has at least 28 publications that have each been cited at least 28 times. The recent h-index of 21 suggests continued contributions and recognition in the field, as more recent works also garner citations.
i10-Index:
- Overall i10-Index: 57
- Recent i10-Index: 49
The i10-index counts the number of publications with at least 10 citations. An overall score of 57 demonstrates that Dr. Igoli has authored 57 papers that have achieved this citation threshold, underscoring the quality and impact of his research. The recent i10-index of 49 suggests that many of his newer publications are also receiving citations, further establishing his relevance in the field.
Education
Dr. Igoli obtained his Doctor of Philosophy in Pure and Industrial Chemistry from the University of Nigeria, Nsukka, in 2003. His thesis focused on extractives from Lonchocarpus laxiflorus. He also holds a Master of Science degree from the same institution, with research on a novel azo-methine dye, and a Bachelor of Science degree in Pure and Industrial Chemistry, achieving Second Class Upper Division.
Research Focus
His primary research areas include the discovery and characterization of natural products with medicinal properties, particularly from Nigerian flora. Dr. Igoli employs a variety of analytical techniques, including NMR, IR, UV, and mass spectrometry, to elucidate the structures of bioactive compounds. Additionally, he is committed to quality control in herbal medicine and nutraceutical development, enhancing the safety and efficacy of these products.
Professional Journey
Dr. Igoli’s career spans over three decades, beginning as a Graduate Assistant in 1987 at the University of Agriculture, Makurdi. He progressed through various academic ranks, becoming a Senior Lecturer, then a Professor in 2014. He has held leadership positions, including Vice Chancellor at Pen Resource University, and has been actively involved in administrative and curriculum development roles within his institution. His international experience includes postdoctoral research fellowships and collaborative projects in the UK.
Honors & Awards
Throughout his career, Dr. Igoli has received numerous accolades, including substantial research grants for projects focusing on drug discovery from natural sources. His contributions have been recognized both locally and internationally, affirming his status as a leading researcher in natural product chemistry.
Publications Noted & Contributions
Dr. Igoli has authored and co-authored several key publications that contribute significantly to the field of natural products and drug discovery. Notable works include the first characterization of Nigerian red propolis and the chromatographic analysis of the veterinary drug isometamidium. His research has provided essential insights into the pharmacological properties of various medicinal plants, promoting their potential use in treating diseases like African trypanosomiasis.
1. A New Sesquiterpene from South African Wild Ginger (Siphonochilus aethiopicus (Schweinf) B.L. Burtt)
- Authors: NF Al-Tannak, JV Anyam, NP Igoli, AI Gray, MA Alzharani, JO Igoli
- Journal: Natural Product Research
- Volume/Issue: 36 (19), 4943-4948
- Year: 2022
- Summary: This study reports the isolation and characterization of a new sesquiterpene compound from the South African wild ginger, contributing to the understanding of the chemical diversity of this medicinal plant.
2. Isolation and Characterisation of Lupeol and Lupeol Acetate from Propolis Obtained from Benue State
- Authors: SS Ipav, JO Igoli, TA Tor-Anyiin, JV Anyam
- Journal: Journal of Chemical Society of Nigeria
- Volume/Issue: 47 (1)
- Year: 2022
- Summary: This publication details the isolation and characterization of lupeol and lupeol acetate from propolis sourced in Benue State, highlighting the potential health benefits of these compounds.
3. LC-MS Analysis of Oils of Monodora myristica and Monodora tenuifolia and Isolation of a Novel Cyclopropane Fatty Acid
- Authors: NF Al-Tannak, I Khadra, NP Igoli, JO Igoli
- Journal: Natural Product Research
- Volume/Issue: 34 (9), 1227-1232
- Year: 2020
- Summary: This article presents a comprehensive LC-MS analysis of the oils extracted from Monodora myristica and Monodora tenuifolia, alongside the isolation of a novel cyclopropane fatty acid, expanding the knowledge of fatty acid profiles in these species.
4. Antibacterial Activity of Triterpenes from the Stem Bark and Heartwood of Erythrophleum suaveolens (Guill. & Perr.) Brenan
- Authors: DO Ekhuemelo, FS Agbidye, JV Anyam, C Ekhuemelo, JO Igoli
- Journal: Journal of Applied Sciences and Environmental Management
- Volume/Issue: 23 (5), 783-789
- Year: 2019
- Summary: This research investigates the antibacterial properties of triterpenes extracted from the stem bark and heartwood of Erythrophleum suaveolens, providing insights into the therapeutic potential of this plant.
5. Isolation of Isosativan from Nigerian Red Propolis
- Authors: B Sami, H Okoro, NP Igoli, JO Igoli
- Journal: Tropical Journal of Natural Product Research (TJNPR)
- Volume/Issue: 4 (3), 77-79
- Year: 2019
- DOI: doi.org/10.26538/tjnpr/v4i3.3
- Summary: This article discusses the isolation of isosativan from Nigerian red propolis, underscoring the significance of propolis in natural medicine and its bioactive constituents.
Research Timeline
Dr. Igoli’s research career has evolved through multiple projects, starting with natural products isolation for cancer research in 2008, followed by significant contributions to antileishmanial and antitrypanosomal drug development. His ongoing projects continue to explore the therapeutic potentials of natural compounds, showcasing his dedication to addressing health challenges through scientific research.
Conclusion
In conclusion, Dr. John Ogbaaji Igoli stands out as a prominent figure in the field of organic chemistry and natural product research. His extensive educational background, substantial research contributions, and commitment to the development of medicinal products from natural sources highlight his vital role in advancing knowledge and innovation in drug discovery. As he continues to lead research initiatives and mentor the next generation of scientists, Dr. Igoli’s influence in the scientific community remains profound.