The interaction of Cu2+ ions and NaDC micelles
Sun, Y; Yang, ZL; Zhang, L; Hu, TD; Soloway, RD; Weng, SF; Wu, JG; Hu TD(胡天斗)
刊名SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
2002
卷号58期号:7页码:1489-1498
关键词copper deoxycholate sodium deoxycholate steroid micelle gel FT-IR spectra
学科分类Spectroscopy
DOI10.1016/S1386-1425(01)00601-1
通讯作者Peking Univ, Dept Chem, Beijing 100871, Peoples R China ; Acad Sinica, Inst High Energy Phys, Beijing 100089, Peoples R China ; Univ Texas, Med Branch, Dept Internal Med, Div Gastroenterol, Galveston, TX 77555 USA
文章类型Article
英文摘要By mixing an aqueous solution of CuCl2 with an NaDC aqueous solution of various concentration and initial molar ratio, seven coordinated samples with distinct appearances and characters were obtained. Their structures and components were investigated by FT-IR spectroscopy, EXAFS (the extended X-ray absorption fine structure), thermal analysis, X-ray diffraction, laser light scattering, TEM (transmission electron micrograph), element analysis and ICP (inductively coupled plasma) analysis. The following conclusions were given: (1) The complexes of Cu2+-NaDC with distinct appearances and properties were synthesized. (2) After Cu(DC)(2) dissolved in NaDC aqueous solution, larger micelles (30-90 nm diameter) formed in the supernate, it is a mixed micelle with Cu(DC)(2) and NaDC. So these micelles are a new kind of micelle containing two kinds of metal ions. This is a new result using metal ions as bridges to form micelle. (3) According to the different concentration of Cu2+ to NaDC, the complexes formed as gel or poly-crystals. Both the composition of gel complexes and the coordination structure of carboxyl groups with metal ions varied with the initial molar ratio of Cu2+ to Na+. The gel complexes exhibits the non-stoichiometric character. (4) These results are in agreement with physiological condition. All the different states such as gel, precipitate, micelles of various structures are present in bile of gallbladder. We can suggest an ideal model of the interaction between Cu2+ and bile salts in vivo. (C) 2002 Elsevier Science B.V. All rights reserved.
类目[WOS]Spectroscopy
研究领域[WOS]Spectroscopy
原文出处查看原文
语种英语
WOS记录号WOS:000175656500016
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被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239380
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
作者单位中国科学院高能物理研究所
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GB/T 7714
Sun, Y,Yang, ZL,Zhang, L,et al. The interaction of Cu2+ ions and NaDC micelles[J]. SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY,2002,58(7):1489-1498.
APA Sun, Y.,Yang, ZL.,Zhang, L.,Hu, TD.,Soloway, RD.,...&胡天斗.(2002).The interaction of Cu2+ ions and NaDC micelles.SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY,58(7),1489-1498.
MLA Sun, Y,et al."The interaction of Cu2+ ions and NaDC micelles".SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 58.7(2002):1489-1498.
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