Quenching of the long-lived Ru(II) bathophenanthroline luminescence for the detection of supramolecular interactions

被引：9

作者：

Kramer, Rolf A. ^{[1
]}

Kainmueller, Eva K. ^{[1
]}

Flehr, Roman ^{[2
]}

Kumke, Michael U. ^{[2
]}

Bannwarth, Willi ^{[1
]}

机构：

[1] Univ Freiburg, Inst Organ Chem & Biochem, D-79104 Freiburg, Germany

[2] Univ Potsdam, Inst Chem, D-14476 Potsdam Golm, Germany

来源：

ORGANIC & BIOMOLECULAR CHEMISTRY | 2008年 / 6卷 / 13期

关键词：

D O I：

10.1039/b800357b

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A feasibility study based on tailor-made peptide sequences for a new robust luminescence probe-system using the long-lived luminescence of a Ru(II)-bathophenanthroline complex in combination with an efficient anthraquinone-type quencher is presented. Due do their high chemical stability, both dyes can be introduced during solid-phase peptide synthesis avoiding post-synthetic labelling. Photophysical measurements revealed an intense quenching of the luminescence of the Ru-complex (65-68%) which was also confirmed by calculations resulting from decay time measurements. The long-lived luminescence allows for a time-gated detection scheme, which can reduce any luminescence contribution from matrix components.

引用

页码：2355 / 2360

页数：6

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