Bioinspired Collagen-Zn-PEEK Mixed Interfacial Layer on Color-Stable, Surface-Hardened PEEK for Enhanced Osseointegration.
Although polyetheretherketone (PEEK) offers mechanical advantages over titanium, its clinical utility is often hampered by poor bioactivity and insufficient surface hardness. Drawing inspiration from the natural bone microenvironment, we report a dual-functionalization strategy combining plasma immersion ion implantati...