Bioprotectant glassforming solutions confined in porous silicon nanocapillaries

Details Bioprotectant glassforming solutions confined in porous silicon nanocapillaries Bioprotectant glassforming solutions confined in porous silicon nanocapillaries

2009-01-26

arxiv.org/abs/0901.3994v1

Physics

Condensed Matter

Soft Condensed Matter

Accepted for the 2008 MRS Fall Meeting Symposium TT proceedings

Scientific paper

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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