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Issue 4, 2003
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Photophysical properties of 5-methylcytidine

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Abstract

Cytosine methylation, which determines the hot spots for DNA photo-damage, is shown to induce a red-shift of the nucleoside absorption spectrum, making the chromophore more vulnerable to solar radiation, and a tenfold increase of the fluorescence lifetime, making excited state reactions more probable. A femtosecond investigation of the excited state deactivation reveals a quite complex mechanism.

Graphical abstract: Photophysical properties of 5-methylcytidine

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Publication details

The article was received on 24 Dec 2002, accepted on 29 Jan 2003 and first published on 19 Feb 2003


Article type: Communication
DOI: 10.1039/B212664H
Citation: Photochem. Photobiol. Sci., 2003,2, 362-364
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    Photophysical properties of 5-methylcytidine

    A. Sharonov, T. Gustavsson, S. Marguet and D. Markovitsi, Photochem. Photobiol. Sci., 2003, 2, 362
    DOI: 10.1039/B212664H

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