Radiation-chemical synthesis of silver nanoparticles in aqueous solution of chitin derivative
- Authors: Shirokova L.N.1, Revina A.A.2, Aleksandrova V.A.1, Fenin A.A.3
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Affiliations:
- Topchiev Institute of Petrochemical Synthesis
- Frumkin Institute of Physical Chemistry and Electrochemistry
- Mendeleyev University of Chemical Technology of Russia
- Issue: Vol 7, No 5 (2016)
- Pages: 730-736
- Section: Materials for Ensuring Human Vital Activity and Environmental Protection
- URL: https://journals.rcsi.science/2075-1133/article/view/205747
- DOI: https://doi.org/10.1134/S2075113316050245
- ID: 205747
Cite item
Abstract
It has been demonstrated for the first time that, in the process of gamma-induced reduction of Ag+ in aqueous solution of biodegradable carboxymethyl chitin (CMC) polyelectrolyte, a metal-polymer colloidal solution is formed, wherein silver nanoparticles have spherical shape and a size of about 1–5 nm. By using UV–Vis spectroscopy and transmission electron microscopy (TEM), the influence of CMC concentration and radiation doses on the formation of clusters and silver nanoparticles in the metal-polymer colloidal solution is observed. Colloidal solutions of silver nanoparticles in CMC exhibit a clear concentration-dependent bactericidal activity toward the strains of Gram-positive Staphilococcus aureus, as well as Gram-negative Salmonella tythimurium bacteria.
About the authors
L. N. Shirokova
Topchiev Institute of Petrochemical Synthesis
Author for correspondence.
Email: shirokova@ips.ac.ru
Russian Federation, Leninskii pr. 29, Moscow, 119991
A. A. Revina
Frumkin Institute of Physical Chemistry and Electrochemistry
Email: shirokova@ips.ac.ru
Russian Federation, Leninskii pr. 31, Moscow, 119071
V. A. Aleksandrova
Topchiev Institute of Petrochemical Synthesis
Email: shirokova@ips.ac.ru
Russian Federation, Leninskii pr. 29, Moscow, 119991
A. A. Fenin
Mendeleyev University of Chemical Technology of Russia
Email: shirokova@ips.ac.ru
Russian Federation, Miusskaya pl. 9, Moscow, 125047