Multifunctional PEEK implants: Sulfonation-polydopamine synergy for bioactivity, wear resistance, and antibacterial efficacy

Qianqian Sun, Guangru Zhang, Guofa Zhang, Mei Lv, Litao Wang, College of Pharmacy, Shandong Second Medical University, College of Pharmacy, Jining Medical University, College of Pharmacy, Shandong First Medical University

Journal of Biomaterials Applications

Published online on October 24, 2025

Abstract

Journal of Biomaterials Applications, Volume 41, Issue 2, Page 190-200, August 2026.
PEEK is a promising biomaterial for orthopedic and dental applications due to its excellent mechanical properties, biocompatibility, and bone-like elastic modulus. However, its bioinert surface limits osseointegration and predisposes it to wear debris-...