Solvation dynamics of DCM in dipalmitoyl phosphatidylcholine lipid

被引：20
|
作者：
Pal, SK [1 ]
Sukul, D [1 ]
Mandal, D [1 ]
Sen, S [1 ]
Bhattacharyya, K [1 ]
机构：
[1] Indian Assoc Cultivat Sci, Dept Phys Chem, Kolkata 700032, W Bengal, India
来源：
TETRAHEDRON | 2000年 / 56卷 / 36期
关键词：
lipids; luminescence; photophysics;
D O I：
10.1016/S0040-4020(00)00522-6
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Solvation dynamics of 4-(dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl) 4H-pyran (DCM) in dipalmitoylphosphatidylcholine (DPPC) vesicles in water is studied using picosecond emission spectroscopy. The solvation dynamics of DCM in DPPC vesicles is found to be bi-exponential with two components of 120 +/- 20 ps (20%) and 5.5 +/- 0.5 ns (80%). This indicates slow relaxation of the water molecules inside the water pool of the lipid vesicles. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：6999 / 7002
页数：4
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