Self-assembly combined with photopolymerization for the fabrication of fluorescence "turn-on" vehicle sensors with reversible "on-off" switching properties

被引：89

作者：

Ma, GY ^{[1
]}

Müller, AM ^{[1
]}

Bardeen, CJ ^{[1
]}

Cheng, Q ^{[1
]}

机构：

[1] Univ Calif Riverside, Dept Chem, Riverside, CA 92521 USA

来源：

ADVANCED MATERIALS | 2006年 / 18卷 / 01期

关键词：

D O I：

10.1002/adma.200501455

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The fabrication of a self-amplifying fluorescence 'turn-on' vesicle sensor with reversible 'on-off' switching properties, using self assembly and photoinduced polymerization, was analyzed. The sensor is made by a vesicular assembly of lipids that consists of a conjugated polydiacetylene (PDA) moiety and a bleach-resistant, hydrophobic fluorescent dye. It is observed that photopolymerization of the diacetylene lipids leads to a substantial quenching of BO558 dye in the vesicles. One potential mechanism for the observed quenching is Förster energy transfer from the excited Bo558 molecules floating in vesicles to the PDA-lipid framework. The results show that BO55-PDA system offers great potential for future use in bioanalyte sensing.

引用

页码：55 / 60

页数：6

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