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Pré-Publication, Document De Travail Année : 2008

Bioprotectant glassforming solutions confined in porous silicon nanocapillaries

Résumé

Glycerol and trehalose-glycerol binary solutions are glass-forming liquids with remarkable bioprotectant properties. In this paper, we address the effects of confining of these solutions in straight channels of diameter D=8 nm formed by porous silicon. Neutron diffraction and incoherent quasielastic neutron scattering are used to reveal the different effects of nanoconfinement and addition of trehalose on the intermolecular structure and molecular dynamics of the liquid and glassy phases, on a nanosecond timescale.
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Dates et versions

hal-00355950 , version 1 (26-01-2009)
hal-00355950 , version 2 (26-01-2009)

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Rémi Busselez, Ronan Lefort, Qing Ji, Régis Guégan, Gilbert Chahine, et al.. Bioprotectant glassforming solutions confined in porous silicon nanocapillaries. 2008. ⟨hal-00355950v1⟩
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