The dynamical crossover phenomenon in bulk water, confined water and protein hydration water (Articolo in rivista)

Type
Label
  • The dynamical crossover phenomenon in bulk water, confined water and protein hydration water (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0953-8984/24/6/064103 (literal)
Alternative label
  • Mallamace F., Corsaro C., Baglioni P., Fratini E., Chen S.H. (2012)
    The dynamical crossover phenomenon in bulk water, confined water and protein hydration water
    in Journal of physics. Condensed matter (Online); IOP Publishing Ltd., Bristol BS1 6BE (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Mallamace F., Corsaro C., Baglioni P., Fratini E., Chen S.H. (literal)
Pagina inizio
  • Article number 064103 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 24 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 6 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Department of Nuclear Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, United States Dipartimento di Fisica, CNISM, Università di Messina, I-98166, Messina, Italy Fondazione F. Frisone, Via Etnea 73, Catania I-95125, Italy Department of Chemistry, CSGI, University of Florence, Florence, 50019, Italy (literal)
Titolo
  • The dynamical crossover phenomenon in bulk water, confined water and protein hydration water (literal)
Abstract
  • We discuss a phenomenon regarding water that was until recently a subject of scientific controversy, i.e.the dynamical crossover from fragile-to-strong glass-forming material, for both bulk and protein hydration water. Such a crossover is characterized by a temperature T L at which significant dynamical changes occur, such as violation of the StokesEinstein relation and changes of behaviour of homologous transport parameters such as the density relaxation time and the viscosity. In this respect we will consider carefully the dynamic properties of waterprotein systems. More precisely, we will study proteins and their hydration water as far as bulk and confined water. In order to clarify the controversy we will discuss in a comparative way many previous and new experimental data that have emerged using different techniques and molecular dynamic simulation (MD). We point out the reasons for the different dynamical findings from the use of different experimental techniques (literal)
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