.硒化壳聚糖理化性质和分子结构的研究[J].中国海洋药物,2000,19(1):7-10. |
硒化壳聚糖理化性质和分子结构的研究 |
STUDY ON THE PHYSICAL AND CHEMICAL PROPERTIES AND THE MOLECULAR STRUCTURE OF SELENO-CHITOSAN |
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DOI: |
中文关键词: 壳聚糖 硒化壳聚糖 理化性质 分子结构 |
English Keywords:chitosan,seleno-chitosan,physical and chemical properties |
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中文摘要: |
运用高效凝胶色谱(HPGPC)、乌氏粘度计、XYG-110型多功能原子荧光仪、常规溶剂和WZZ-1自动指示旋光仪等方法对本实验室制备的硒化壳聚糖的理化性质进行测定,结果表明:硒化壳聚糖的分子量为3448;特性粘度为99;室温干燥放置1年,硒化壳聚糖保持稳定;硒化壳聚糖在水中可溶,而且溶解度随温度升高而增加,但在有机溶剂中基本不溶;硒化壳聚糖在25℃时的旋光度为-14。通过紫外光谱、红外光谱、氢谱( |
English Summary: |
In this paper,the physical and chemical properties of seleno-chitosan prepared by our lab were investigated ,and compared with that of chitosan and sulfonationed chitiosan.Moreover,the causes of what resuited from the diference were analized.It is primarily confirmed that SeO 2- 3 is attached to C 2 amino and C 6 hydroxyl of chitosan according to the results of UV,IR, 1HNMR,and 13 CNMR. |
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