Development and In Vitro Characterization of Hyaluronic Acid-Based Coatings for Implant-Associated Local Drug Delivery Systems
Figure 5
Representative ESEM micrographs of EDC/NHS-crosslinked HA coatings on (a), (c), and (d) GPTMS-modified and (b) unmodified surfaces. The scratch on GPTMS-modified surfaces (a) and (d) has been done intentionally for a better visualization of the coating.