限制在多孔硅纳米胶囊中的生物保护剂玻璃形成溶液
Bioprotectant glassforming solutions confined in porous silicon nanocapillaries
摘要：
甘油和海藻糖-甘油二元溶液是具有显著生物保护特性的玻璃形成液体。在本文中，我们解决了这些解决方案中的直径D=8 nm的直通道的多孔硅形成的限制的影响。中子衍射和非相干准弹性中子散射被用来揭示不同的影响纳米约束和添加海藻糖的分子间结构和分子动力学的液体和玻璃相，在纳秒的时间尺度。
英文摘要：
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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