Degradable PHBHHx Modified by the Silk Fibroin for the Applications of Cardiovascular Tissue Engineering

Table 1

Assignments of FTIR spectra of PHBHHx and SF/PHBHHx samples.

Peaks (cm^−1)	Assignments	References
1652	Amide I of silk fibroin	[20]
1540	Amide II of silk fibroin
1723	C=O stretching band in PHBHHx	[22, 25]
1600	symmetric stretching band of COO^− in PHBHHx
1460	CH3 asymmetric bending band in PHBHHx
1413	asymmetric stretching band of COO^− in PHBHHx
1230	C–O–C stretching band in PHBHHx