Surface Modification of Titanium with Heparin-Chitosan Multilayers via Layer-by-Layer Self-Assembly Technique

Figure 1

DR-FTIR spectra of untreated titanium (Ti), NaOH-treated titanium (TiOH), PLL-coated titanium (TiPLL), and Ti/PLL/(Hep/Chi)₁₈(coated Ti).