Fig. 3From: Tuning Surface Chemistry of Polyetheretherketone by Gold Coating and Plasma TreatmentNumber of L929 cells after 6, 24, and 72 h of cultivation on TCPS, pristine PEEK, and PEEK with gold interfaces of plasma-treated (60 and 240 s) and Au-sputtered (30, 150, and 300 s) regionsBack to article page