Mani, A., Loganathan, V., Mullaivendhan, J., Ahamed, A., Arif, I. A., Akbar, I. (2026). Retraction Note: Algae-mediated copper nanocatalyst for aerobic oxidation and dye decolourization via sustainable wastewater treatment. Scientific Reports. https://doi.org/10.1038/s41598-026-47608-1