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The infrared and Raman spectra of solid tridehydropeptides : influence of ΔAla and ΔPhe on the spectral profile
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The infrared and Raman spectra of solid tridehydropeptides ...
Bibliographic description
| title: | The infrared and Raman spectra of solid tridehydropeptides : influence of ΔAla and ΔPhe on the spectral profile |
| author: | Małek Kamilla  , Makowski Maciej |
| Journal title: | Vibrational Spectroscopy |
| Title of volume: | Selected Papers from the 6th International Conference on Advanced Vibrational Spectroscopy (ICAVS-6) and Two-Dimensional Correlation Spectroscopy (2DCOS-6) Sonoma County, CA, USA, 9–17th June 2011 |
| volume: | 60 |
| date of publication: | 2012 |
| pages: | 73-78 |
| ISSN: |
0924-2031 |
| eISSN: |
1873-3697 |
| DOI: | |
| language: | English |
| Journal language: | English |
| abstract in english: | A series of solid tripeptides Boc-Gly-X-Gly-OMe (X = dehydroalanine ( Ala), dehydrophenylalanine ( Phe)) was investigated by Raman scattering and Fourier transform infrared spectra to examine the conformational marker bands of the unsaturated residue. The observed fundamental modes gave us the opportunity to analyze structural features that change due to the substitution of Ala by Ala and due to the different spatial arrangement of Phe ( Z and E isomers). In addition, we showed the alteration of the spectral profile when the large size residue (Phe) is introduced into the backbone of the peptide with Phe (in Boc-Gly- (Z) Phe-Phe-OMe). The frequency ranges of interest included the NH stretching, car- bonyl stretching, and amide deformation modes as well as vibrations of the investigated dehydroresidues. The observed differences of positions and intensities of IR and Raman bands provided an insight into the structural and spectroscopic properties of the selected dehydropeptides |
| keywords in english: | Dehydroalanine, Tripeptides, Dehydrophenylalanine, IR, Raman |
| departmental parameterization: | 25 |
| affiliation: | Wydział Chemii : Zakład Fizyki Chemicznej |
| type: | journal article |
| subtype: | academic paper |
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