二棕榈酰磷脂酰胆碱多层体系中相变的脉冲核磁共振研究。
Pulse NMR study of phase transitions in dipalmitoyl phosphatidylcholine multilayer systems.
作者信息
Trahms L, Boroske E
出版信息
Biochim Biophys Acta. 1979 Mar 23;552(1):189-93. doi: 10.1016/0005-2736(79)90258-x.
PMID:582012
Abstract
Pretransition and main transition of aqueous dipalmitoyl phosphatidylcholine (DPPC) dispersions were investigated by pulse NMR. The second moment M2 inter of the proton absorption line shows significant changes at 42 degrees C and about 35 degree C. Over the whole investigated temperature range between 25 and 50 degree C a superposition of at least two distinct second moments assigned to different molecular regions was observed.
摘要
通过脉冲核磁共振研究了水相二棕榈酰磷脂酰胆碱（DPPC）分散体的预转变和主要转变。质子吸收线的二阶矩M2inter在42℃和约35℃时显示出显著变化。在25至50℃的整个研究温度范围内，观察到至少两个分配给不同分子区域的不同二阶矩的叠加。
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