Ewing’s sarcoma Pseudomonas aeruginosa antimicrobial effect apoptosis bacteria biofilm biological cell activity bone cancer burns cell attachment cerium fluoride cerium oxide cold argon plasma cold atmospheric plasma cold atmospheric plasma (CAP) cold atmospheric plasma hydrogen peroxide combined treatment dielectric barrier discharge (DBD) endodontics healing therapy human osteoblast cells hydrogen peroxide hypochlorous acid (HOCl) inhibition of proliferation microorganism mucosa protection n/a nanoparticles nitrate nitric oxide