膜流动性
电子顺磁共振
化学
膜
相变
电子顺磁共振波谱
膜脂
生物物理学
生物化学
生物
核磁共振
物理
量子力学
作者
Richard D. Vierstra,A. Haug
标识
DOI:10.1016/0006-291x(78)90274-7
摘要
Using Electron Paramagnetic Resonance Spectroscopy, Al3+ was shown to produce a dramatic decrease of membrane lipid fluidity on the microorganism Thermoplasmaacidophilum at a pH > 2. The ability of Al3+ to alter lipid fluidity was enhanced with increasing pH (from 3 to 5). At pH 4, 10−2 M Al3+ increased the lower lipid phase transition by 39°C, and a detectable change was observed with AlCl3 concentrations as low as 10−5 M. The ability of Al3+ to increase the lower lipid phase transition temperature of T.acidophilum is the largest of any cation/lipid interaction yet reported.
科研通智能强力驱动
Strongly Powered by AbleSci AI