OBSERVATION OF CONFORMATIONAL RELAXATION HINDRANCE IN THE SINGLET EXCITED-STATE FOR PORPHYRIN INCORPORATED IN A LIPID-MEMBRANE

被引：6

作者：

ANIKIN, MV

BOROVKOV, VV

ISHIDA, A

WASA, K

SAKATA, Y

机构：

[1] RES INST INNOVAT TECHNOL EARTH,9-2 KIZUGAWADAI,KIZU CHO,KYOTO 61902,JAPAN

[2] OSAKA UNIV,INST SCI & IND RES,IBARAKI,OSAKA 567,JAPAN

来源：

CHEMICAL PHYSICS LETTERS | 1994年 / 226卷 / 3-4期

关键词：

D O I：

10.1016/0009-2614(94)00730-6

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The behavior of two free base porphyrins, 5,10,15,20-tetrakis(p-tolyl)porphine (TTP) and 5,10,15,20-tetrakis(3,5-di-tert-butylphenyl)porphine (TBP), incorporated into dipalmitoyl-phosphatidylcholine membranes has been comparatively studied by steady-state fluorescence spectroscopy. TBP in the membrane interior, in contrast to TTP, showed pronounced decrease of Stokes shift and displacement of Q bands toward shorter wavelengths due to the restriction of its conformational freedom caused by the interaction of tert-butyl residues with ordered lipid hydrocarbon chains.

引用

页码：337 / 343

页数：7

共 32 条

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