The Role of the 14–20 Domain of the Islet Amyloid Polypeptide in Amyloid Formation

Figure 2

Congo Red binding and birefringence. Microscopic examination under cross-polerizers upon staining with Congo Red of samples of the studied peptides: (a) C2, (b) H2, (c) C1, and (d) H1. The C2 and H2 peptides exhibited green birefringence characteristic of amyloidal structures.

(a)

(b)

(c)

(d)