Table 6.

TER marker bands of the neurodegenerative peptide aggregation.

Marker Band of the Aggregation [cm−1]	Assignment	Peptide	Reference
amide I (1700–1600 cm−1)
1680–1660 ↑	β-sheets	amyloid β1-42, insulin,	[111,113,115,116,117,118]
		β2-microglobulin
1674 ↑	β-sheets	hIAPP (Amylin)	[112]
1655–1630↓	random coil	amyloid β1-42	[117]
1640↓,1664–1640 ↓	α-helics, unordered	hIAPP (amylin), insulin	[112,113,115,118]
Cα H/N-H (1370–1360 cm−1)
1364 ↑	β-sheets	amyloid β1-42	[116]
amide III (1283–1218 cm−1)
1228–1218 ↑	parallel β-sheets	amyloid β1-42	[117]
1242–1233, 1250↑	antiparallel β-sheets	insulin	[116,117]
1235–1230↑	β-sheets	amyloid β1-42,	[111,115]
1261–1248, 1258 ↓	random coil	β2-microglobulin	[116,117]

↓ a decrease of peak intensity with the ongoing fibrillation, ↑ an increase of peak intensity with the ongoing fibrillation.