Photoprocesses of chlorin e6 glucose derivatives

被引：7
|
作者：
Bauer, Daniela [3 ]
Montforts, Franz-Peter [3 ]
Losi, Aba [2 ]
Goerner, Helmut [1 ]
机构：
[1] Max Planck Inst Bioanorgan Chem, D-45413 Mulheim An Der Ruhr, Germany
[2] Univ Parma, Dept Phys, I-43100 Parma, Italy
[3] Univ Bremen, Inst Organ Chem, D-28358 Bremen, Germany
来源：
PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES | 2012年 / 11卷 / 06期
关键词：
MOLECULAR-OXYGEN; PHOTODYNAMIC THERAPY; POTENTIAL PHOTOSENSITIZERS; PHOTOPHYSICAL PROPERTIES; PH; SOLVENT; SENSITIZER; YIELDS; P(6); ZINC;
D O I：
10.1039/c1pp05303e
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：
The ground and excited state processes of chlorin e6, the monomethyl ester C1, the glucose derivative C2 and the 3-heptylchlorin-glucose C3, were studied in solvents of lower and higher polarity. The excited singlet and lowest triplet states of C1-C3 were characterized by spectroscopic methods for several conditions. The quantum yields of formation of singlet molecular oxygen and the other triplet properties of the three chlorins and chlorin e6 are similar, whereas the fluorescence quantum yield decreases on going from C1 to C3. Time-resolved optoacoustic experiments revealed a ca. 30 kJ mol(-1) higher triplet level for C3 with respect to C1/2.
引用
收藏
页码：925 / 930
页数：6
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