A University of Lagos professor has developed patented bio-based coating solutions using nanotechnology, opening a new research pathway for addressing health and environmental concerns linked to lead in paints while improving protection against microbial deterioration.
Prof. Olayide Obidi, Head of the Department of Microbiology at the University of Lagos, presented the work during her inaugural lecture, titled “From Micro to Nano: The Colourful Voyage of an Industrial Microbiologist,” at the Ade Ajayi Auditorium, UNILAG campus, Lagos, on Wednesday.
Obidi’s interest in paint research grew from her examination of challenges within Nigeria’s paint industry, including the use of lead to extend the shelf life of paints. She described lead as a cumulative neurotoxin associated with serious health consequences such as developmental problems, organ failure and death.
Her research subsequently introduced nanomaterials into the Nigerian paint industry. A comparative evaluation of conventional biocides and green-synthesised nanoparticles for microbial inhibition showed significant improvement in controlling paint microflora through nanotechnology.
“We have successfully produced the first bio-based solutions for coatings. These have been patented and are ready to be commercialised,” Obidi said.
The professor used the lecture to make a case for stronger links between universities and industry. She argued that scientific discoveries should progress beyond academic laboratories and become products and services capable of solving societal problems.
“There is a need to bridge the ever-widening gap between academia and industry. Therefore, research should not end in the laboratory. It should be commercialised and beneficial to humanity,” she said.
She also called for well-equipped laboratories to support innovative and groundbreaking research, alongside increased investment in protective nanocoatings technology.
According to Obidi, government, research councils and regional development agencies should align their efforts with technological research, while relevant stakeholders provide the financial and institutional backing required to move nanocoating technology into commercial production.
She said commercialising the patented solutions could strengthen Nigeria’s paint industry, provide safer alternatives and promote technological development in the country.
The wider scope of Obidi’s scientific work was highlighted by the Vice-Chancellor of the University of Lagos, Prof. Folasade Ogunsola, who described the lecture as a thought-provoking account of the progression of scientific inquiry from microbiology to materials science and nanotechnology.
Ogunsola said Obidi’s research had advanced understanding of paint spoilage, microbial deterioration and shelf life, particularly in relation to the growing use of water-based formulations.
Although water-based paints have environmental advantages over solvent-based formulations because of concerns about volatile organic compounds, their aqueous nature can make them more vulnerable to microbial attack. Ogunsola said this challenge provided an important basis for Obidi’s investigation of safer and more sustainable solutions.
The professor’s research has also extended into the marine sector, where she examined the effects of biofilms on hydrodynamics and the use of antifouling agents. Her work on industrial effluents, meanwhile, demonstrated the potential of biosynthesised nanoparticles for removing heavy metals.
Ogunsola described the movement of some of Obidi’s findings from laboratory research towards practical application, including patents arising from the work, as significant contributions to industrial development.
She also recognised Obidi’s contributions to teaching and student supervision and commended her establishment of the Society for Girls STEM Education, which encourages young girls to pursue opportunities in science, technology, engineering and mathematics.
“Today’s inaugural lecture has offered us more than an account of scientific discoveries. It has shown us the possibilities that arise when research is connected to industry, environmental concerns, and the needs of society,” Ogunsola said.
She congratulated Obidi on what she described as an informative and excellent inaugural lecture, adding that the professor had made significant contributions to the Faculty of Life Sciences and the University of Lagos.
Obidi’s work demonstrates how research rooted in Nigeria’s own industrial challenges can produce technologies with wider applications. With the bio-based coatings already patented, the research now presents an opportunity to connect university innovation with industry and develop locally created solutions for safer and more sustainable paint production.