Ordered self-assembly of protonated porphyrin induced by the aqueous environment of biomimetic systems

被引：6
|
作者：
Andrade, Suzana M. [1 ]
Costa, Silvia M. B. [1 ]
机构：
[1] Univ Tecn Lisboa, Ctr Quim Estrutural, Inst Super Tecn, P-1049001 Lisbon, Portugal
来源：
FLUORESCENCE METHODS AND APPLICATIONS: SPECTROSCOPY, IMAGING, AND PROBES | 2008年 / 1130卷
关键词：
self-assembly; light harvesting; porphyrin; proteins; reverse micelles; vesicles; carbon nanotubes; fluorescence lifetime imaging microscopy; fluorescence correlation spectroscopy;
D O I：
10.1196/annals.1430.046
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Water-soluble ionic porphyrins show an interesting self-association pattern in acidic conditions under which highly ordered aggregates are stabilized. Herein we give an overview of the template effect of biological interfaces in tetrakis(4-sulfonatophenyl)porphyrin TSPP self-aggregation, in which we point out the possibility of tuning this process by screening the charge repulsion through ionic strength and pH. We give special emphasis to the use of fluorescence lifetime imaging microscopy and of fluorescence correlation spectroscopy to visualize and characterize these molecular aggregates.
引用
收藏
页码：305 / 313
页数：9
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