Surface Modification of Titanium with Heparin-Chitosan Multilayers via Layer-by-Layer Self-Assembly Technique
Figure 6
AFM images of sample surfaces: NaOH-treated titanium (Ti-OH) ((a), (c)) and coated titanium (Ti/PLL/(Hep/Chi)18) ((b), (d)). The image size is 5 m × 5 m ((a), (b)) and 2 m × 2 m ((c), (d)).