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Glauconite-based antibacterial composites with copper nanoparticles

Selifonova E.I., Chernova R.K., Rusanova T.Yu., Serzhantov V.G., Naumova G.N.,
Cherdakova E.N., Venig S.B.

Saratov State University, 83Astrakhanskaya st., Saratov 410012, Russian Federation

Abstract

Recently, there has been great interest in the potential use of metal nanoparticles in various fields: physics, medicine, microelectronics, biology, etc. Copper nanoparticles are not inferior in properties to nanoparticles of noble metals, however, they are much cheaper and more accessible. This work shows the preparation of an effective bactericidal composite with copper nanoparticles. Glauconite from the Beloozersk deposit in the Saratov region was used as a matrix for creating the composite. The glauconite structure has nanoscale porosity, which largely increases the effective sorption surface. Sorption immobilization of nanoparticles was monitored spectrophotometrically. The copper nanoparticles obtained by the method of chemical reduction were immobilized on a glauconite matrix. Glauconite can be a stabilizer for air-unstable copper nanoparticles. The bactericidal efficacy of the obtained nanocomposite was investigated in relation to clinical bacterial strains. These studies can be in demand in veterinary medicine, agriculture and medicine, after additional research.

Speaker

Selifonova E.I.
Saratov State University
Russian Federation

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