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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >USAXS studies of monosaccharide gels. I. Dependence of the glucofuranose-based gel structure on the gelator concentration
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USAXS studies of monosaccharide gels. I. Dependence of the glucofuranose-based gel structure on the gelator concentration

机译：USAXS对单糖凝胶的研究。一，基于呋喃葡萄糖的凝胶结构对胶凝剂浓度的依赖性

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Glucofuranose-derivative based gels with various gelator concentration were studied using ultra-small angle X-ray scattering (USAXS) in the scattering vector range 0.0028-0.25 nm(-1). A complex method of data processing was applied to extract the structural parameters of the gelator, such as the mass fractal and surface fractal dimensions, d(m) and d(s), respectively, the radius of gyration, R-g, the distance distribution function, p(r), as well as the volume distribution function, D(R), of particles forming aggregates. The results of these analyses show that the aggregate structure changes with the gelator concentration: when it increases, the size of the aggregates decreases, rough aggregates of the fractal type evolve to better developed smooth ones, and their shape changes from disk-like to rod-like. These results suggest that only two different types of aggregates are formed depending on the gelator concentration, and a gradual change between them is observed. (c) 2006 Elsevier B.V. All rights reserved.
机译：在0.0028-0.25 nm（-1）的散射矢量范围内，使用超小角度X射线散射（USAXS）研究了具有不同胶凝剂浓度的葡糖呋喃糖衍生物基凝胶。应用了复杂的数据处理方法来提取胶凝器的结构参数，例如质量分形和表面分形尺寸d（m）和d（s），回转半径，Rg，距离分布函数，p（r）以及形成聚集体的颗粒的体积分布函数D（R）。这些分析的结果表明，聚集体的结构随胶凝剂浓度的变化而变化：当聚集体增大时，聚集体的尺寸减小，分形的粗糙聚集体演变为更好发育的光滑聚集体，其形状从盘状变为棒状-喜欢。这些结果表明，取决于胶凝剂的浓度，仅形成两种不同类型的聚集体，并且观察到它们之间的逐渐变化。 （c）2006 Elsevier B.V.保留所有权利。

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