Temperature‐Switched Binding of a Ru II (dppz)/DNA Light‐Switch Complex | Zendy

Walker Michael G. | Zendy; Gonzalez Veronica | Zendy; Chekmeneva Elena | Zendy; Thomas Jim A | Zendy

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Temperature‐Switched Binding of a Ru II (dppz)/DNA Light‐Switch Complex

Author(s) -

Walker Michael G.,

Gonzalez Veronica,

Chekmeneva Elena,

Thomas Jim A

Publication year - 2012

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201206260

Subject(s) - intercalation (chemistry) , duplex (building) , dna , chemistry , crystallography , photochemistry , stereochemistry , inorganic chemistry , biochemistry

Cool to switch on : Although a Ru(dppz)‐based complex binds to the grooves of duplex DNA at room temperature and above, it intercalates into duplex DNA at 10 °C, thus displaying a light‐switch effect (see picture, dppz=dipyridylphenazine). Furthermore, once intercalated at low temperatures, emission does not disappear, even after the bound complex is warmed up to 35 °C for several hours.

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