Unusually efficient trans-to-cis photoisomerization of diphenylbutadiene dendrimers in water

被引：5

作者：

Miura, Yousuke ^{[1
]}

Momotake, Atsuya ^{[1
]}

Kanna, Yoko ^{[2
]}

Nishimura, Yoshinobu ^{[1
]}

Arai, Tatsuo ^{[1
]}

机构：

[1] Univ Tsukuba, Grad Sch Pure & Appl Sci, Tsukuba, Ibaraki 3058577, Japan

[2] Univ Ryukyus, Fac Sci, Okinawa 9030213, Japan

来源：

PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES | 2011年 / 10卷 / 10期

关键词：

QUANTUM YIELD; ISOMERIZATION; STILBENE; STATE; BACTERIORHODOPSIN; PHOTOCHEMISTRY; CONFORMERS; MECHANISM; DYNAMICS; VISION;

D O I：

10.1039/c1pp05212h

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

A diphenylbutadiene-cored dendrimer exhibited a remarkably high quantum yield for trans-to-cis photoisomerization in aqueous solution. Analysis of the fluorescence lifetimes and the wavelength-dependent excitation spectra suggested that the core butadiene adopts multiple conformations, one or several of which is sufficiently distorted to undergo preferential photoisomerization.

引用

页码：1524 / 1526

页数：3

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