Raman spectra of single cell from gastrointestinal cancer patients

Table 1 Peak position and assignments of Raman spectra of several cells from cancer patients.

Red cell	White cell	Lymphocyte	Normal cell	Colon, rectal cancer cell	Stomach cancer cell	Assignments
1654	1658	1658	1657	1662	1660	Amide-I , a-helix
1619						Tyr, Trp v (C = C)
1578						Phe v (C = C) symmetric
1560						Trp
1548						Trp
1447	1445	1447	1449	1449	1449	d(CH2, CH3)
1369						dCH2
1340		1338	1338		1342	dCH2
1246		1247	1247		1248	Amide-III
		1209	1208		1206	Tyr, Phe
1123		1126	1126		1126	v (C-N)
		1084	1084			v (C-N)
1052		1053	1054		1054	v (C-N)
1030		1032	1032		1032	Phe v (C-H)
1001	1003	1003	1003	1002	1002	Phe v (C-C) symmetric
Symmetric
974						CH2
936		937	936		938	v (CC)skeletal a-helix