Universal Wiser Publisher. Retraction Note to "Improvement of Polypropylene (PP)-Chitosan Nanoparticles (CNP) for Advanced Bio-Composite" [Advanced Energy Conversion Materials, Volume 5 Issue 1 (2024), 117-132]. Advanced Energy Conversion Materials [Internet]. 2025 Apr. 16 [cited 2025 Dec. 19];6(1):120. Available from: https://ojs.wiserpub.com/index.php/AECM/article/view/7031