Synchrotron FTIR Microspectroscopy Study of the Striatum in 6-Hydroxydopamine Rat Model of Parkinson's Disease
Table 1
Tentative assignments of the bands frequencies present in the IR absorption spectra measured for tissue samples.
| | Frequency (cm−1) | Assignment |
| | 3400–3200 | OH str | | ~3300 | N–H str (protein and amide A) | | 3080 | N–H str (protein and amide B) | | 2960 | CH3 asym str (lipids) | | 2924 | CH2 asym str (lipids) | | 2850 | CH2 sym str (lipids) | | 1750–1720 | C=O str (ester, lipids) | | 1655 | Amide I: CO str, CN str, and NH bend vib (protein) | | 1545 | Amide II: NH bend vib and CN str (protein) | | 1460 | CH2 sciss vib; CH3 asym bend vib (lipids) | | 1380 | CH3 sym bend vib (lipids) | | 1300 | Amide III: CN str, NH bend, CO str, and O=C–N bend vib (protein) | | 1260–1220 | PO2 asym str (nucleic acids) | | 1170 | CO–O–C asym str (lipid) | | 1053 | PO2 sym str (nucleic acids) |
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str: stretching; asym: asymmetric; sym: symmetric; bend: bending; vib: vibration; sciss: scissoring.
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