http://www.cnr.it/ontology/cnr/individuo/prodotto/ID273131
Raman spectroscopic and low-temperature calorimetric investigation of the low-energy vibrational dynamics of hen egg-white lysozyme (Articolo in rivista)
- Type
- Label
- Raman spectroscopic and low-temperature calorimetric investigation of the low-energy vibrational dynamics of hen egg-white lysozyme (Articolo in rivista) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1080/14786435.2010.535035 (literal)
- Alternative label
Crupi, C. and D'Angelo, G. and Wanderlingh, U. and Vasi, C. (2011)
Raman spectroscopic and low-temperature calorimetric investigation of the low-energy vibrational dynamics of hen egg-white lysozyme
in Philosophical magazine (2003, Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Crupi, C. and D'Angelo, G. and Wanderlingh, U. and Vasi, C. (literal)
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Crupi, C (Reprint Author), Univ Messina, Dipartimento Fis, I-98100 Messina, Italy. Crupi, C.; D'Angelo, G.; Wanderlingh, U., Univ Messina, Dipartimento Fis, I-98100 Messina, Italy. Crupi, C.; D'Angelo, G.; Wanderlingh, U., Univ Messina, INFM, I-98100 Messina, Italy. Vasi, C., CNR, IPCF, Messina, Italy. (literal)
- Titolo
- Raman spectroscopic and low-temperature calorimetric investigation of the low-energy vibrational dynamics of hen egg-white lysozyme (literal)
- Abstract
- The low-frequency vibrational dynamics of chicken hen egg-white lysozyme were investigated using Raman spectroscopy and low-temperature calorimetry. An amorphous-like behaviour of low-frequency dynamics was observed in this protein. By using inelastic light scattering data and resorting to a fitting procedure, the low-temperature specific heat trend was theoretically reproduced, confirming that, as in disordered systems, the same low-energy excitations give rise to the observed anomalies in low-frequency vibrational and low-temperature thermal properties. A further study of polarised and depolarised Raman spectra has allowed us to infer information about the symmetry of these modes. The frequency dependence of the light-vibrational coupling constant has also been analysed. (literal)
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