Hossain, S., Jahidul Islam, M., Mukherjee, A., Hasanuzzaman, M., Mohammed Alsuhaibani, A., S. Refat, M. and Arafa Abdelmaksoud, R. 2026. Systematic study of caffeine content variations and their conversion into controlled-release nanomaterials. Bulletin of the Chemical Society of Ethiopia. 41, 1 (Nov. 2026), 119–132. DOI:https://doi.org/10.4314/bcse.v41i1.9.