Research Article

Improvement of Endothelial Cell-Polycaprolactone Interaction through Surface Modification via Aminolysis, Hydrolysis, and a Combined Approach

Figure 3

Hydrophilicity of treated PCL films. Contact angle measurements of PCL films treated with water, NaOH, KOH, HMD, NaOH + HMD, and KOH + HMD, n = 6 – 10. Data are presented as mean ± SEM. Statistical significance was tested with Kruskal–Wallis test. .