초록 |
Titanium (Ti) has been widely used as a key material for orthopedic and dental implants due to its biocompatibility, resistance to corrosion, and excellent mechanical properties. To date, diverse surface treatment methods have been used to provide Ti implants with enhanced biocompatibility and bioactivity. Recently, surface treatments have focused on surface coatings that can induce controlled release of bioactive agents. However, most approaches are based on the solvent coating method, which has several drawbacks including irregular thickness and low interfacial adhesion between the coating and the implant surface. Herein, we suggest a catechol-functionalized adhesive nanoparticle as a surface coating system that may express enhanced adhesion to Ti surfaces and release osteogenic bioactive agents. Preparation of adhesive polymer nanoparticle was confirmed by dynamic light scattering and TEM. XPS and Fe-SEM verified successful immobilization of the nanoparticles onto Ti surfaces. |