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

Supramolecular hydrogels based on solutions of l -cysteine and silver acetate at low-concentrations in heavy water (D 2 O) 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,...

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Bibliographic Details
Published in:Russian chemical bulletin 2020-09, Vol.69 (9), p.1799-1803
Main Authors: Adamyan, A. N., Vishnevetskii, D. V., Ivanova, A. I., Khizhnyak, S. D., Pakhomov, P. M.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Cysteine
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Heavy water
Hydrogels
Inorganic Chemistry
NMR spectroscopy
Organic Chemistry
Photon correlation spectroscopy
Spectrum analysis
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Summary:Supramolecular hydrogels based on solutions of l -cysteine and silver acetate at low-concentrations in heavy water (D 2 O) 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 H 2 O with D 2 O 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.
ISSN:1066-5285
1573-9171
DOI:10.1007/s11172-020-2964-7