Reduction of Silver Ions by Cell Free Extracts of Westiellopsis sp.

Table 1

FTIR peaks and their representative functional groups.

S. number	FTIR peak	Assigned functional groups	References
1	1020	Stretch vibration of C–O	[21]
2	1068, 1119	Stretch vibration of C–O and C–N stretching vibrations of aliphatic amines	[21, 22]
3	1396	Residual NO^3−	[25]
4	1458	Symmetric stretching vibrations of –COO	[15]
5	1496	C–C stretching vibrations of aromatics and asymmetric stretching vibrations of N–O	[23, 24]
6	1522, 1541	Amide II	[24]
7	1640	N–H bend and stretching vibrations of –C=C–	[21]