Effect of cytosine-Ag+-cytosine base pairing on the redox potential of the Ag+/Ag couple and the chemical reduction of Ag+to Ag by tetrathiafulvalene

Takenori Dairaku, Rika Kawai, Teppei Kanaba, Tetsuya Ono, Kentaro Yoshida, Hajime Sato, Kanako Kumada, Yoshinori Kondo, Jiro Kondo, Akira Ono, Yoshiyuki Tanaka, Yoshitomo Kashiwagi

研究成果: Article査読

抄録

The redox properties of metallo-base pairs remain to be elucidated. Herein, we report the detailed1H/13C/109Ag NMR spectroscopic and cyclic voltammetric characterisation of the [Ag(cytidine)2]+complex as isolated cytosine-Ag+-cytosine (C-Ag+-C) base pairs. We also performed comparative studies between cytidine/Ag+and other nucleoside/Ag+systems by using cyclic voltammetry measurements. In addition, to evaluate the effect of [Ag(cytidine)2]+formation on the chemical reduction of Ag+to Ag, we utilised the redox reaction between Ag+and tetrathiafulvalene (TTF). We found that Ag+-mediated base pairing lowers the redox potential of the Ag+/Ag couple. In addition, C-Ag+-C base pairing makes it more difficult to reduce captured Ag+ions than in other nucleoside/Ag+systems. Remarkably, the cytidine/Ag+system can be utilised to control the redox potential of the Ag+/Ag couple in DMSO. This feature of the cytidine/Ag+system may be exploited for Ag nanoparticle synthesis by using the redox reaction between Ag+and TTF.

本文言語English
ページ(範囲)7633-7639
ページ数7
ジャーナルDalton Transactions
50
22
DOI
出版ステータスPublished - 2021 6 14

ASJC Scopus subject areas

  • 無機化学

フィンガープリント

「Effect of cytosine-Ag<sup>+</sup>-cytosine base pairing on the redox potential of the Ag<sup>+</sup>/Ag couple and the chemical reduction of Ag<sup>+</sup>to Ag by tetrathiafulvalene」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

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