Best oral presentation award of the Twenty-seventh Annual YUCOMAT 2026 Conference held at Sun Resort Hotel, Herceg Novi, Montenegro, August 3 1 September 4, 2026 Oral O.11. named "Controlled synthesis of multimetal oxide Cu Zn Y nanoparticles: Linking ion ratios to nanostructure and functionality was declared the best oral presentation" of the Conference YUCOMAT 2026, considering scientific contribution, graphic design, and quality of presentation.