Research Article
Surface Modification with NGF-Loaded Chitosan/Heparin Nanoparticles for Improving Biocompatibility of Cardiovascular Stent
Figure 1
Surface chemical composition determined by (a) FTIR spectra and (b) XPS wide-scan spectra. (a)~(d) refer to 316L SS, SS-DA, SS-DA-NP, and SS-DA-NP@NGF, respectively.
(a) |
(b) |