Synthesis and Characterization of a New Collagen-Alginate Aerogel for Tissue Engineering

Figure 6

SEM of aerogels. (a) Highly porous interconnected network covered by a nonporous external wall (EW). (b–d) Notice a highly porous interconnected network (IN). The pores range from 2-10 micrometres.

(a)

(b)

(c)

(d)