TABLE 1.

Assignment of Raman bands of EPS in biofilms.

Wave number (cm–1)	Assignment	Macromolecular assignment	References
637–695	C–S str and C–C twisting of proteins (tyrosine)	Proteins	Ivleva et al., 2009; Ramya et al., 2010; Chen et al., 2019b
782–788	O-P-O stretch of DNA	Nucleic acids	Samek et al., 2014; Qiao et al., 2017
1000–1010	C–C aromatic ring stretching (phenylalanine)	Proteins	Guicheteau et al., 2008; Ivleva et al., 2008; Kahraman et al., 2009
1235–1260	Amide III	Proteins	Laucks et al., 2005; Ivleva et al., 2008; Jarvis and Goodacre, 2008
1300	Skeletal benzene stretches and N-C pyrrole stretching	Proteins	Bleich et al., 2015