Lanthanide luminescent displacement assays: The sensing of phosphate anions using Eu(III)-cyclen-conjugated gold nanoparticles in aqueous solution

被引：177
|
作者：
Massue, Julien [1 ]
Quinn, Susan J. [1 ]
Gunnlaugsson, Thorfinnur [1 ]
机构：
[1] Trinity Coll Dublin, Ctr Synth & Chem Biol, Sch Chem, Dublin 2, Ireland
来源：
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2008年 / 130卷 / 22期
关键词：
D O I：
10.1021/ja800361e
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
1.Eu, a cyclen based Eu(III)-thiol conjugate, was incorporated onto the surface of water-soluble gold nanoparticles to give AuNP-1.Eu. The self-assembly between AuNP-1.Eu and the antenna 2 resulted in the formation of the highly luminescent lanthanide system, AuNP-1.Eu-2, at pH 7-4. The sensing of U flavin monophosphate 3 is demonstrated, whereby 3 displaced the antenna 2 in AuNP-1.Eu-2, resulting in the formation of AuNP-1.Eu-3 and quenching of the Eu(III) emission.
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收藏
页码：6900 / +
页数：3
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