Studying and Characterization of Coating of Zein–CaSiO₃ Composite on Polyetheretherketone Implant Material

Table 2

Amount of roughness (nm) according to AFM analysis.

Groups	Roughness (Ra) (nm)
Control	3.248
Modification with H2SO4	8.726
Group 1	33.56
Group 2	35.90
Group 3	81.59