文献类型：期刊文献

中文题名：Self-assembly of Ophiopogonis polysaccharide-iron(Ⅲ) complex in aqueous solution and solid state

英文题名：麦冬多糖-铁(Ⅲ)配合物在水溶液和固态条件下的自组装（英文）

作者：Chunxia Tan[1];Yali Wang[2]

第一作者：谈春霞

机构：[1]Gansu University of Chinese Medicine,Lanzhou 730000,China;[2]Key Laboratory of Traditional Chinese Medicine Quality and Standard,Gansu University of Chinese Medicine,Lanzhou 730000,China

第一机构：甘肃中医药大学

年份：2019

卷号：28

期号：9

起止页码：665

中文期刊名：Journal of Chinese Pharmaceutical Sciences

外文期刊名：中国药学（英文版）

收录：CSTPCD;;Scopus;CSCD:【CSCD2019_2020】；

基金：Key Laboratory of Traditional Chinese Medicine Quality and Standard,Gansu University of Chinese Medicine,Lanzhou,China(Grant No.ZYZL18-006)

语种：英文

中文关键词：Supramolecular complexes;Ophiopogonis polysaccharide-iron(Ⅲ);Self-assembly;Flower-shaped morphology;Layered structure

外文关键词：超分子复合物;麦冬多糖-铁(Ⅲ);自组装;花状形貌;层状结构

摘要：Ophiopogonis polysaccharide-iron(Ⅲ)(OPI)was prepared and characterized in the present study.The optimum condition for preparing OPI was as follows:OP and trisodium citrate were mixed at a weight ratio of 4:1 and reacted in a water bath at 70°C for 3 h within the pH range of 8.0–8.5.Aggregation morphology or structure of OPI in aqueous solution and solid state was studied by scanning electron microscopy,transmission electron microscopy and small-angle X-ray diffraction.In aqueous solution,OPI could self-assemble into micron vesicles with flower-shaped morphology.Results of X-ray diffraction showed OPI with layered structure.A core-shell model was proposed for OPI.
本文制备并表征了麦冬多糖-铁(Ⅲ)(OPI)并获得了制备OPJ的最佳条件:OP和柠檬酸三钠的质量比为4:1;在pH 8.0–8.5的水溶剂环境中反应3小时。反应过程中始终保持反应温度为70°C。通过扫描电子显微镜,透射电子显微镜和小角度X射线衍射分别研究了在水溶液和固态中OPI的聚集形态或结构。在水溶液中,OPI可以自组装成具有花状形貌的微囊泡。X射线衍射结果显示OPI具有层状结构。结合实验结果,我们针对OPI在水溶液和固态条件下的自组装提出了核-壳模型。