Investigation of Roughness, Morphology, and Wettability Characteristics of Biopolymer Composite Coating on SS 316L for Biomedical Applications

Figure 4

2D/AFM images of (a) neat chitosan, (b) chitosan + nanosilver, (c) chitosan + biotin, and (d) chitosan + nanosilver + biotin.

(a)

(b)

(c)

(d)