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Study of the effect of urea on the phase transition of phospholipid by synchrotron X-ray diffraction
其他题名同步辐射X光小角衍射法研究尿素对磷脂相变的影响
Yu, ZW; Feng, Y; Wang, J; Dong, BZ; Quinn, PJ; Dong BZ(董宝中)
2001
发表期刊HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
卷号25页码:#REF!
通讯作者Yu, ZW (reprint author), Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China.
文章类型Article
摘要Synchrotron X-ray diffraction and differential scanning calorimetry were used to study the effect of urea solutions on the phase behavior of Dioleoylglycero-phosphatidylethanolamine (DOPE). It was found that urea could stabilize lamellar liquid-crystalline phase at the expense of lamellar-gel phase and non-bilayer inverted hexagonal phase. The repeat distance of DOPE multilamellar structure increases with the increasing of urea concentration. The molecular mechanisms are discussed in terms of the possible hydrogen bonds between urea and the phospholipid head groups and the Hofmeister effect of urea, where urea is taken as a water-structure breaker. In addition, X-ray diffraction pattern of a wet rat tail collagen fiber was collected and was used as calibration standard at small-angle diffraction stations.
关键词phospholipid DOPE urea synchrotron X-ray diffraction
学科领域Physics
收录类别SCI
WOS类目Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000176377600016
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225975
专题多学科研究中心
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GB/T 7714
Yu, ZW,Feng, Y,Wang, J,et al. Study of the effect of urea on the phase transition of phospholipid by synchrotron X-ray diffraction[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2001,25:#REF!.
APA Yu, ZW,Feng, Y,Wang, J,Dong, BZ,Quinn, PJ,&董宝中.(2001).Study of the effect of urea on the phase transition of phospholipid by synchrotron X-ray diffraction.HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,25,#REF!.
MLA Yu, ZW,et al."Study of the effect of urea on the phase transition of phospholipid by synchrotron X-ray diffraction".HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION 25(2001):#REF!.
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