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学科主题: 高分子化学
题名: Autoxidized phospholipids in hexane: Nano-self-assemblies studied by synchrotron small-angle X-ray scattering
其他题名: 磷脂在己烷中的过氧化-用同步辐射研究纳米自聚集
作者: Shtykova, E. V. ; Volkov, V. V. ; Wang HJ(王华杰) ; Fujisawa, T. ; Wang JY(王瑾晔)
通讯作者: Volkov, V. V. ; 王瑾晔
刊名: Langmuir
发表日期: 2006
卷: 22, 期:19, 页:7994-8000
收录类别: SCI
部门归属: 俄罗斯科学院; 有机所
英文摘要: Synchrotron small-angle X-ray scattering (SAXS) was used to analyze the structure of self-assembled autoxidized phospholipids in a very dilute solution of hexane. In addition, it was used to build a self-consistent model of the aggregates, taking into account their inner heterogeneities and polydispersity. The scattering intensity from a dilute mixture of different types of noninteracting components of the phospholipid system was represented as a linear combination of partial intensities from the components weighted by their volume fractions. Applying this approach the final model of the system was described as a mixture of polydisperse reverse micelles and aggregates with spherical and cylindrical shapes. Spherical aggregates were represented as hollow spheres with inner radius 0.7 nm (occupied by water or hexane) and outer radius 1.5 nm. Geometrical parameters of the aggregates did not change much during the oxidation process, while the ratio of reverse micelles and aggregates in solution varied. The amount of the reverse micelles increased from very low to about 80%, whereas the content of other aggregates constantly reduced. The analysis performed in this study helps one to better understand the processes of phospholipid oxidation, which may occur in biological membranes.
语种: 英语
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WOS记录号: WOS:000240250600011
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/25439
Appears in Collections:上海有机化学研究所_期刊论文

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Recommended Citation:
Shtykova, E. V.,Volkov, V. V.,Wang HJ,et al. Autoxidized phospholipids in hexane: Nano-self-assemblies studied by synchrotron small-angle X-ray scattering[J]. Langmuir,2006,22(19):7994-8000.
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