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

doi:10.1039/d1dt00975c

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

PHA - Molecular Pharmaceutical Science

Research output: Contribution to journal › Article › peer-review

Abstract

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.

Original language	English
Pages (from-to)	7633-7639
Number of pages	7
Journal	Dalton Transactions
Volume	50
Issue number	22
DOIs	https://doi.org/10.1039/d1dt00975c
Publication status	Published - 2021 Jun 14

ASJC Scopus subject areas

Inorganic Chemistry

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10.1039/d1dt00975c

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Dairaku, T., Kawai, R., Kanaba, T., Ono, T., Yoshida, K., Sato, H., Kumada, K., Kondo, Y., Kondo, J., Ono, A., Tanaka, Y., & Kashiwagi, Y. (2021). 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. Dalton Transactions, 50(22), 7633-7639. https://doi.org/10.1039/d1dt00975c

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

In: Dalton Transactions, Vol. 50, No. 22, 14.06.2021, p. 7633-7639.

Research output: Contribution to journal › Article › peer-review

Dairaku, T, Kawai, R, Kanaba, T, Ono, T, Yoshida, K, Sato, H, Kumada, K , Kondo, Y, Kondo, J, Ono, A, Tanaka, Y & Kashiwagi, Y 2021, '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', Dalton Transactions, vol. 50, no. 22, pp. 7633-7639. https://doi.org/10.1039/d1dt00975c

Dairaku, Takenori ; Kawai, Rika ; Kanaba, Teppei ; Ono, Tetsuya ; Yoshida, Kentaro ; Sato, Hajime ; Kumada, Kanako ; Kondo, Yoshinori ; Kondo, Jiro ; Ono, Akira ; Tanaka, Yoshiyuki ; Kashiwagi, Yoshitomo. / 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. In: Dalton Transactions. 2021 ; Vol. 50, No. 22. pp. 7633-7639.

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title = "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",

abstract = "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.",

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

note = "Funding Information: This work was supported by JSPS KAKENHI (Grant No. 20K14597 to T.D., 18K06791 to K.Y., and 18K19936 to Y.Ka.), the Foundation for Japanese Chemical Research (Grant No. 470 (R) to T.D.), and the Foundation for Ohu University Joint Research Fund. Publisher Copyright: {\textcopyright} The Royal Society of Chemistry 2021.",

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doi = "10.1039/d1dt00975c",

language = "English",

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T1 - 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

AU - Dairaku, Takenori

AU - Kawai, Rika

AU - Kanaba, Teppei

AU - Ono, Tetsuya

AU - Yoshida, Kentaro

AU - Sato, Hajime

AU - Kumada, Kanako

AU - Kondo, Yoshinori

AU - Kondo, Jiro

AU - Ono, Akira

AU - Tanaka, Yoshiyuki

AU - Kashiwagi, Yoshitomo

N1 - Funding Information: This work was supported by JSPS KAKENHI (Grant No. 20K14597 to T.D., 18K06791 to K.Y., and 18K19936 to Y.Ka.), the Foundation for Japanese Chemical Research (Grant No. 470 (R) to T.D.), and the Foundation for Ohu University Joint Research Fund. Publisher Copyright: © The Royal Society of Chemistry 2021.

PY - 2021/6/14

Y1 - 2021/6/14

N2 - 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.

AB - 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.

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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

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