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Self-organization in l-cysteine-silver acetate-D2O solutions at low-concentrations

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Abstract

Supramolecular hydrogels based on solutions of l-cysteine and silver acetate at low-concentrations in heavy water (D2O) were prepared. Processes of self-organization of l-cysteine and silver acetate in plain and heavy water have been investigated using UV spectroscopy, dynamic light scattering, and NMR spectroscopy. A replacement of H2O with D2O causes aging of the cysteine-silver solution, and resulting particles in the solution are larger in size. A possible structure of the supramolecular aggregate was proposed using NMR spectroscopy, and the mechanism of its interaction with the salt anions introduced into the system upon the formation of resulting hydrogels was verified.

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Authors and Affiliations

  1. Tver State University, 33 ul. Zhelyabova, 170100, Tver, Russian Federation

    A. N. Adamyan, D. V. Vishnevetskii, A. I. Ivanova, S. D. Khizhnyak & P. M. Pakhomov

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  1. A. N. Adamyan
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  2. D. V. Vishnevetskii
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  3. A. I. Ivanova
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  4. S. D. Khizhnyak
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  5. P. M. Pakhomov
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Correspondence to A. N. Adamyan.

Additional information

Based on the materials of the XXI Mendeleev Congress on General and Applied Chemistry (September 9–13, 2019, St. Petersburg, Russia).

Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 9, pp. 1799–1803, September, 2020.

This work was financially supported by the Russian Foundation for Basic Research (Project No. 18-33-00146mol_a) and by the Ministry of Science and Higher Education of the Russian Federation within the framework of State Assignment in the field of research work (Project No. 4.5508.2019/BCh) and carried out using the equipment of the Center for Collective Use at the Tver State University.

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Adamyan, A.N., Vishnevetskii, D.V., Ivanova, A.I. et al. Self-organization in l-cysteine-silver acetate-D2O solutions at low-concentrations. Russ Chem Bull 69, 1799–1803 (2020). https://doi.org/10.1007/s11172-020-2964-7

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  • DOI: https://doi.org/10.1007/s11172-020-2964-7

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