Lanthanide luminescent displacement assays: the sensing of phosphate anions using Eu(III)-cyclen-conjugated gold nanoparticles in aqueous solution.
Lanthanide luminescent displacement assays: the sensing of phosphate anions using Eu(III)-cyclen-conjugated gold nanoparticles in aqueous solution.
复制标题
DOI：
10.1021/ja800361e
复制
发表时间：
2008-05
影响因子：
15
通讯作者：
J. Massue;S. Quinn;T. Gunnlaugsson
中科院分区：
文献类型：
--
作者：
J. Massue;S. Quinn;T. Gunnlaugsson
1.Eu是一种基于环戊二烯基Eu（III）-硫醇缀合物，将其结合到水溶性金纳米颗粒表面，得到AuNP-1.Eu。AuNP-1.Eu和天线2之间的自组装导致在pH 7.4下形成高度发光的镧系系统AuNP-1.Eu-2。证明了黄素单磷酸3的传感，由此3取代了AuNP-1.Eu-2中的天线2，导致AuNP-1.Eu-3的形成和Eu（III）发射的淬灭。
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 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.