El-Bialy, N. M. A., Gouda, A. A., Ghaith, E. I. A., Khedr, I. E., Moustafa, A. H., Mohamed, A. A., Ismaiel, A. M. (2026). Sustainable ionic liquid-assisted cloud point extraction for enrichment of trace copper(II) in water and food samples prior to spectrophotometric determination. Scientific Reports. https://doi.org/10.1038/s41598-026-56689-x