Platinum–gold nanoraspberries as effective photosensitizer in anticancer photothermal therapy

Table 2 FTIR and Raman peaks positions in the analyzed samples with description of vibrations corresponding to the respective functional groups [26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41]

SW480	SW480 + PtAu NRs	SW480 + PtAu NRs + 650 nm	SW480 + PtAu NRs + 808 nm	SW620	SW620 + PtAu NRs	SW620 + PtAu NRs + 650 nm	SW620 + PtAu NRs + 808 nm	Vibrations
FTIR spectroscopy peaks (cm ⁻¹ )
968	971	974	974	977	974	971	970	PO ⁻²₃ group from DNA, RNA and phospholipids
1082	1084	1087	1086	1083	1082	1084	1081	C–O group from glycogen
1235	1236	1234	1235	1237	1236	1237	1235	Amide III
1400	1402	1400	1400	1402	1402	1401	1403	CH₂ group from protein and lipids
1455	1458	1458	1458	1458	1455	1456	1457	CH₂ group from cholesterol
1540	1545	1545	1546	1544	1534	1533	1534	Amide II
1640	1641	1642	1642	1642	1641	1642	1638	Amide I
2861	2860	2857	2858	2860	2862	2862	2864	Symmetric stretching vibrations of CH₂
2925	2928	2925	2926	2927	2927	2927	2928	Asymmetric stretching vibrations of CH₂
3280	3284	3289	3284	3296	3290	3288	3281	CH₃ asymmetric stretching
3737	3738	3739	3741	3756	3727	3726	3738	Amide A and OH group from water
Raman spectroscopy peaks (cm ⁻¹ )
711	706	715	–	715	713	724	706	C–H in-plane bending mode
855	842	866	846	874	892	862	883	C–H in-plane bending mode
942	950	947	943	943	941	981	983	C–H in-plane bending mode of phenylalanine
1092	1078	1082	1078	1081	1074	1081	1075	Glucose, Triglycerides, C–C (lipid)
1251	1283	1282	1285	1286	1278	1274	1275	Amide III
1318	1341	1335	1350	1359	1362	1365	1359	CH₃/CH₂ twisting or bending mode of lipid/collagen
1451	1452	1451	1453	1453	1473	1467	1462	Fatty acids, CH₂ (lipids and proteins)
1660	1661	1663	1661	1654	1691	1671	1663	Amide I
2932	2929	2928	2930	2932	2927	2937	2929	CH band of lipids
3400	3414	3420	3421	3417	3411	3416	3409	CH from cholesterol and cholesterol ester

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