Evaluation of Ultrasonically ZnO Loading Effect on Photocatalytic Self-Cleaning, UV Protection and Antibacterial Activity of Plasma/Citric Acid-Activated Cotton Fabric oleh Muhammad Irfan, Humaira Hussain, Bisma Saleem, Muhammad Saleem, Shazia Shukrullah, Stanislaw Legutko, Jana Petrů, Muhammad Yasin Naz, Marek Pagáč, Saifur Rahman, Rehan Khan