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Dairaku T, Kawai R, Kanaba T, et al. Effect of cytosine-Ag. Dalton Trans. 2021;50(22):7633-7639doi: 10.1039/d1dt00975c.
Dairaku, T., Kawai, R., Kanaba, T., Ono, T., Yoshida, K., Sato, H., Nozawa-Kumada, K., Kondo, Y., Kondo, J., Ono, A., Tanaka, Y., & Kashiwagi, Y. (2021). Effect of cytosine-Ag. Dalton transactions (Cambridge, England : 2003), 50(22), 7633-7639. https://doi.org/10.1039/d1dt00975c
Dairaku, Takenori, et al. "Effect of cytosine-Ag." Dalton transactions (Cambridge, England : 2003) vol. 50,22 (2021): 7633-7639. doi: https://doi.org/10.1039/d1dt00975c
Dairaku T, Kawai R, Kanaba T, Ono T, Yoshida K, Sato H, Nozawa-Kumada K, Kondo Y, Kondo J, Ono A, Tanaka Y, Kashiwagi Y. Effect of cytosine-Ag. Dalton Trans. 2021 Jun 08;50(22):7633-7639. doi: 10.1039/d1dt00975c. PMID: 33973617.
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Dalton Trans. 2021 Jun 08;50(22):7633-7639. doi: 10.1039/d1dt00975c.

Effect of cytosine-Ag.

Dalton transactions (Cambridge, England : 2003)

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

Affiliations

  1. School of Pharmaceutical Sciences, Ohu University, 31-1 Misumido, Tomita-machi, Koriyama, Fukushima 963-8611, Japan. [email protected] [email protected].
  2. Application, Bruker Japan K.K., 3-9 Moriya-cho, Kanagawa-ku, Yokohama, Kanagawa 221-0022, Japan.
  3. Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-Aoba, Aramaki, Aoba-ku, Sendai, Miyagi 980-8578, Japan.
  4. Department of Materials and Life Sciences, Faculty of Science and Technology, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo 102-8554, Japan.
  5. Department of Material & Life Chemistry, Faculty of Engineering, Kangawa University, 3-27-1 Rokkakubashi, Kanagawa-ku, Yokohama, Kanagawa 221-8686, Japan.
  6. Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima 770-8514, Japan. [email protected].

PMID: 33973617 DOI: 10.1039/d1dt00975c

Abstract

The redox properties of metallo-base pairs remain to be elucidated. Herein, we report the detailed 1H/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.

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