Fluorescence study on the domain formation of N-dodecanoyl-l-tryptophan within a liposome membrane

Fluorescence study on the domain formation of N-dodecanoyl-l-tryptophan within a liposome membrane
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N-十二酰基-L-色氨酸在脂质体膜内结构域形成的荧光研究

DOI:
10.1007/s00396-006-1547-y
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发表时间:
2006
影响因子:
2.4
通讯作者:
R. Kuboi
R. Kuboi
中科院分区:
化学4区
文献类型:
--
作者:
K. Yasuhara;T. Shimanouchi;H. Umakoshi;R. Kuboi

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用荧光光谱法研究了N-十二酰基-L-色氨酸在脂质体膜中的聚集行为。脂质体的平均直径为100 nm,由1-2-二月桂酰基-sn-甘油-3-磷胆碱、1-2-肉豆蔻基-sn-甘油-3-磷胆碱或1-2-棕榈酰基-sn-甘油-3-磷胆碱形成。荧光测量表明,N-十二酰基-L-色氨酸的钠盐在主相变温度Tm以下与脂膜形成结构域。在Tm以上,分子以液晶态均匀分散在膜中。
The aggregation behavior of N-dodecanoyl-l-tryptophan within a liposome membrane was investigated by fluorescence spectroscopy. Liposomes with a mean diameter of 100 nm, formed from either 1-2-dilauroyl-sn-glycero-3-phosphocholine, 1-2-myristoyl-sn-glycero-3-phosphocholine, or 1-2-palmitoyl-sn-glycero-3-phosphocholine, were used. Fluorescence measurements indicate that the sodium salt of N-dodecanoyl-l-tryptophan forms domains with the liposome membranes below the main phase transition temperature, Tm. Above Tm, the molecules are homogeneously dispersed in the liquid crystalline state of the membranes.
DOI: 10.1016/s0006-3495(92)81849-0
发表时间: 1992-02-01
影响因子: 3.4
作者:
WIENER, MC;WHITE, SH
通讯作者: WHITE, SH
DOI: 10.1016/0005-2736(91)90295-j
发表时间: 1991-01-30
期刊: BIOCHIMICA ET BIOPHYSICA ACTA
影响因子: --
作者:
MACDONALD, RC;MACDONALD, RI;HU, LR
通讯作者: HU, LR