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Updated: Aug 24, 2026

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Synthesis of Wavelength-shifting DNA Hybridization Probes by Using Photostable Cyanine Dyes
Published on: July 6, 2016
Bis(phenanthroline)-ethylenediamine conjugate displays excimer fluorescence upon binding with DNA
Keigo Hayashi1, Hitoshi Akutsu, Hiroaki Ozaki
1Department of Applied Chemistry, Faculty of Engineering, Gunma University, Kiryu, Gunma 376-8515, Japan.
Abstract:
1,2-Bis(1,10-phenanthrolin-2-yl)ethylenediamine (1) displays a unique long-life time excimer fluorescence at 528 nm by binding with calf thymus DNA, while its monomer fluorescence at 400 nm shows a decrease upon binding with DNA.

