Research Article

Development and In Vitro Characterization of Hyaluronic Acid-Based Coatings for Implant-Associated Local Drug Delivery Systems

Table 1

Contact angles of the modified planar PA12 surfaces ( ) in preparation for and after chemical attachment of the HA base layer and after deposition of crosslinked HA coatings. Data shown as mean ± SD.

UnmodifiedAPTESGPTMS

Without HA84 ± 978 ± 978 ± 9
HA base layer73 ± 770 ± 850 ± 10
EDC/NHS-crosslinked HA coatingn.dn.d.43 ± 7
GDA-crosslinked HA coatingn.dn.d49 ± 9