Dalton Transactions

[Ru (bpy) 2 dppz-idzo] 2+: a colorimetric molecular “light switch” and powerful stabilizer for G-quadruplex DNA

JL Yao, X Gao, W Sun, S Shi, TM Yao

Index: Yao, Jun-Liang; Gao, Xing; Sun, Wenliang; Shi, Shuo; Yao, Tian-Ming Dalton Transactions, 2013 , vol. 42, # 16 p. 5661 - 5672

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Citation Number: 23

Abstract

A new ruthenium complex,[Ru (bpy) 2dppz-idzo] 2+(bpy= 2, 2′-bipyridine, dppz-idzo= dipyrido-[3, 2-a: 2′, 3′-c] phenazine-imidazolone), was synthesized and characterized. The luminescent titrations showed that the Ru-complex exhibited an outstanding “light switch” effect with an emission enhancement factor of about 300 in the presence of G- quadruplex DNA in a K+ solution. This remarkable “light switch” behavior can even be ...

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