Protonation regulates the triplet state decay of 6-thioguanosine

Dongyu Li; Yan Liu; Shuyi Yan; Qian Zhou; Zhuoran Kuang; Hongmei Zhao; Yang Li; Jialong Jie; Di Song; Hongmei Su

doi:10.1039/D6CC00573J

Protonation regulates the triplet state decay of 6-thioguanosine

Dongyu Li,^a Yan Liu,^b Shuyi Yan,^b Qian Zhou,^b Zhuoran Kuang,

^a Hongmei Zhao,^a Yang Li,^a Jialong Jie,

*^b Di Song

*^a and Hongmei Su

*^b

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* Corresponding authors

^a State Key Laboratory of Information Photonics and Optical Communications, and School of Physical Science and Technology, Beijing University of Posts and Telecommunications (BUPT), Beijing 100876, P. R. China
E-mail: songdi@bupt.edu.cn

^b College of Chemistry, Beijing Normal University, Beijing 100875, P. R. China
E-mail: jialong@bnu.edu.cn, hongmei@bnu.edu.cn

Abstract

We find that protonation significantly extends the triplet lifetime of 6-thioguanosine by increasing the intrinsic lifetime and reducing the self-quenching constant, offering new opportunities for thionucleoside-based photosensitizers and photoprobes.

This article is part of the themed collection: New Developments in Photofunctional Materials and Transformations

Chemical Communications

Protonation regulates the triplet state decay of 6-thioguanosine

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Protonation regulates the triplet state decay of 6-thioguanosine

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