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Listar por palabra clave "Dielectric relaxation"

Mostrando ítems 1-9 de 9

Biparabolic model to represent dielectric relaxation data

Díaz Calleja, Ricardo; Sanchis Sánchez, María Jesús; Motos Izquierdo, Joaquín (Elsevier, 1996)

[EN] The expression of a biparabolic model to represent the dielectric relaxation data of polymers is combined with a statistical method (the LEVM6 program) to provide a reasonable estimation of the parameters of this ...
Glass transition and dynamics in BSA-water mixtures over wide ranges of composition studied by thermal and dielectric techniques

Panagopoulou, A.; Kyritsis, A.; Sabater i Serra, Roser; Gómez Ribelles, José Luís; Shinyashiki, N.; Pissis, P. (Elsevier, 2011)

Protein-water dynamics in mixtures of water and a globular protein, bovine serum albumin (BSA), was studied over wide ranges of composition, in the form of solutions or hydrated solid pellets, by differential scanning ...
Glass transition and dynamics in lysozyme-water mixtures over wide ranges of composition

Panagopoulou, Anna; Kyritsis, Apostolos; Aravantinou, Anna-Maria; Nanopoulos, Dionysios; Sabater i Serra, Roser; Gómez Ribelles, José Luís; Shinyashiki, Naoki; Pissis, Polycarpos (Springer Verlag (Germany), 2011-06)

[EN] Differential scanning calorimetry (DSC) and two dielectric techniques, broadband dielectric relaxation spectroscopy and thermally stimulated depolarization currents (TSDC), were employed to study glass transition and ...
Glass transition and water dynamics in hyaluronic acid hydrogels

Panagopoulou, Anna; Vázquez Molina, Joan; Kyritsis, Apostolos; Monleón Pradas, Manuel; Vallés Lluch, Ana; Gallego-Ferrer, Gloria; Pissis, Polykarpos (Springer Verlag, 2013-09)

Glass transition and water dynamics in hydrated hyaluronic acid (HA) hydrogels crosslinked by divinyl sulfone (DVS) were studied by differential scanning calorimetry (DSC), dielectric relaxation spectroscopy (DRS) and water ...
Memory function on dielectric relaxation

Díaz-Calleja, R.; García Bernabé, Abel; Sanchis Sánchez, María Jesús; del Castillo, L.F. (American Institute of Physics, 2000)

[EN] The second-order memory function ~SOMF! for the dicyclohexylmetyl-2metyl succinate is obtained by using simple numerical manipulation of the experimental dielectric data. According to the prescription given in a ...
Memory kernel formalism with fractional exponents and its application to dielectric relaxation

Hernández, S. I.; del Castillo, L.F.; del Castillo, Roxana M.; Garcia-Bernabe, Abel; Compañ Moreno, Vicente (Elsevier, 2023-02-15)

[EN] A fractal Fokker-Planck formalism applied to the dielectric relaxation in glass forming liquids is proposed. This formalism is a modality of the generalized equation of Langevin on the use of fractional-time derivatives ...
Molecular dynamics in polymer networks containing caprolactone and ethylene glycol moieties studied by dielectric relaxation spectroscopy

Sabater i Serra, Roser; Escobar Ivirico, Jorge Luis; Romero Colomer, Francisco José; Andrio Balado, A.; Gómez Ribelles, José Luís (Elsevier, 2014-11-15)

Copolymer networks with methacrylate main chain and caprolactone and ethylene glycol side groups were obtained by free radical copolymerisation of caprolactone methacrylate (CLMA) and poly(ethylene glycol) methacrylate ...
Molecular mobility in comb-like copolymethacrylates with chalcone-containing side-chains

Nikonorova, Natalia A.; Díaz Calleja, Ricardo; Yakimansky, Alexander V. (Wiley, 2011-08)

[EN] The molecular mobility of comb-like copolymers of amyl methacrylate with N-methacryloyl-(4-amino-4'-bromochalcone) with various concentrations (20, 30, 40, 50 and 60 mol%) of chalcone-containing comonomer was studied ...
Water and protein dynamics in protein-water mixtures over wide range of composition

Kyritsis, A.; Panagopoulou, A.; Pissis, P.; Sabater i Serra, Roser; Gómez Ribelles, José Luís; Shinyashiki, N. (Institute of Electrical and Electronics Engineers (IEEE), 2012-08)

[EN] Water and protein dynamics in two globular protein-water systems, water-lysozyme and water-BSA (bovine serum albumine), were studied by differential scanning calorimetry (DSC), dielectric relaxation spectroscopy (DRS) ...