Retraction notice to "Novel fabrication of Cu(II)-incorporated chiral d-penicillamine-chitosan nanocomposites enantio-selectively inhibit the induced amyloid β aggregation for Alzheimer's disease therapy" [Heliyon 10 (2024) e23563]. - Zhao F; Yang H; Gao Z; Liu H; Wu P; Li B; Yu H; Shao J (Heliyon, 2025)