气-水界面处的脲酶和十六烷基胺-脲酶薄膜：X射线反射和掠入射X射线衍射研究
Urease and hexadecylamine-urease films at the air-water interface: an x-ray reflection and grazing incidence x-ray diffraction study.
作者信息
Gidalevitz D, Huang Z, Rice S A
机构信息
The James Franck Institute, The University of Chicago, Chicago, Illinois 60637, USA.
出版信息
Biophys J. 1999 May;76(5):2797-802. doi: 10.1016/S0006-3495(99)77433-3.
Abstract
We report the results of surface x-ray scattering measurements performed on urease and hexadecylamine-urease films at the air-aqueous solution interface. It is demonstrated that although hexadecylamine does not form a stable monolayer on the pure aqueous surface, it does self-assemble into a stable, well-organized structure when spread on top of a urease film at the air-water interface. It is also likely that protein and hexadecylamine domains coexist at the interface.
摘要
我们报告了在空气-水溶液界面上对脲酶和十六烷基胺-脲酶薄膜进行表面X射线散射测量的结果。结果表明，尽管十六烷基胺在纯水表面不会形成稳定的单分子层，但当它铺展在空气-水界面的脲酶薄膜上时，会自组装成一种稳定、有序的结构。界面处蛋白质和十六烷基胺区域也可能共存。
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