Table 1. The main IR absorption bands of pure MSA and MSA attached to AgNPs.

Designation	Pure MSA (cm−1)	MSA-Ag (cm−1)	Description
Amide-A	3290	3445	N–H stretching
Amide-I	1622	1642	C=O stretching
Amide-II	1517	1527	CN stretching and N–H bending

Abbreviations: AgNP, silver nanoparticle; MSA, mouse serum albumin.