Proton fluctuations and water diffusion in dextran chemical hydrogels studied by incoherent elastic and quasielastic neutron scattering.
Proton fluctuations reporting local motions of the glycosidic linkages of chemically crosslinked dextran hydrogels with well defined pore-size distributions are studied by static and dynamic neutron-scattering approaches. The dependence of the dynamic behaviour of water on the pore sizes is also discussed.
Paradossi
Gaio
G
Dipartimento di Chimica, Università di Roma Tor Vergata and INFM, via della Ricerca Scientifica, 00133 Roma, Italy. paradossi@stc.uniroma2.it
Cavalieri
Francesea
F
Chiessi
Ester
E
D002236:Carbohydrate Conformation; D003911:Dextrans / Q000737:chemistry*; D004058:Diffusion; D020100:Hydrogels / Q000737:chemistry*; D009502:Neutrons; D011522:Protons; D012542:Scattering, Radiation; D014867:Water / Q000737:chemistry*
D003911:Dextrans; D020100:Hydrogels; D011522:Protons; D014867:Water; C025614:sephadex