Issue 29, 2019

Isotopic substitution affects excited state branching in a DNA duplex in aqueous solution

Abstract

Changing the solvent from H2O to D2O dramatically affects the branching of the initial excited electronic states in an alternating G·C DNA duplex into two distinct decay channels. The slower, multisite PCET channel that deactivates more than half of all excited states in D2O becomes six times weaker in H2O.

Graphical abstract: Isotopic substitution affects excited state branching in a DNA duplex in aqueous solution

Supplementary files

Article information

Article type
Communication
Submitted
07 Nah 2019
Accepted
12 Cig 2019
First published
12 Cig 2019

Chem. Commun., 2019,55, 4174-4177

Author version available

Isotopic substitution affects excited state branching in a DNA duplex in aqueous solution

Y. Zhang, K. de La Harpe, F. R. Kohl and B. Kohler, Chem. Commun., 2019, 55, 4174 DOI: 10.1039/C9CC01105F

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