DOI:

10.24411/1728-323X-2018-14031

Section

Ecology

Title

EVALUATION OF THE BIOLOGICAL ACTIVITY OF COMPLEXES OF MAGNETITE, SILICON OXIDE AND MOLYBDENUM NANOPARTICLES WITH HUMIC ACIDS IN THE TRITIUM AESTIVUM AND HORDEUM VULGARE TEST

Сontributors

A. M. Korotkova, Ph. D. (Biology), Senior Researcher Federal Research Center for Biological Systems and Agrotechnologies of the Russian Academy of Sciences", This email address is being protected from spambots. You need JavaScript enabled to view it., Orenburg, Russia;

L. V. Galaktionova, Ph. D. (Biology),Associate Professor of the Department of Biology and Soil Science, FGBU VO Orenburg State University. This email address is being protected from spambots. You need JavaScript enabled to view it., Orenburg, Russia;

O.       V. Kwan, Ph. D. (Biology), Associate Professor of the Department of Chemistry of the Federal State Educational Establishment of Higher Professional Education of Orenburg State University, This email address is being protected from spambots. You need JavaScript enabled to view it., Orenburg, Russia;

N. A. Terekhova, M. Sc. (Biology), State Educational Institution of Higher Professional Education VO Orenburg State University, This email address is being protected from spambots. You need JavaScript enabled to view it., Orenburg, Russia;

V. A. Orlova, M. Sc. (Biology), State Educational Institution of Higher Professional Education V Orenburg State University, This email address is being protected from spambots. You need JavaScript enabled to view it., Orenburg, Russia;

M. I. Petrov, M. Sc. (Biology), State Educational Institution of Higher Professional Education, Orenburg State University, This email address is being protected from spambots. You need JavaScript enabled to view it., Orenburg, Russia

Abstract

Typical colloidal dispersions of metal nanoparticles (NP) may include metal particles, their free and surface-adsorbed ions, it has a significant effect on the bio-distribution and the amount of the bio-available element (Liu, Hurt, 2010). Metal nanoparticles and/or released metal ions can also strongly bind to humic substances, such as humic acids (HA), which are considered to be the dominant complexing agents in natural water (Luoma, 2008). Therefore, the HAs play an important role in the transport, stability, dissolution, bioavailability and precipitation of xenobiotics in soils (Gao et al., 2012).

The study of the joint use of the preparation of humic acids and nanoparticles of magnetite, silicon oxide and molybdenum for pre-sowing seed treatment revealed the presence of various effects of their impact on the cultures of wheat and barley. The manifestation of negative and positive reactions of the test cultures depended on the type of nanoparticles and their concentration. The test cultures Tritium aestivum and Hordeum vulgare demonstrate an increase in sensitivity to nanoparticles in the series:: SiO2- Mo - Fe3O4

Keywords

Triticum aestivum, Hordeum vulgare, biohumus, humic acids, metal nanoparticles, magnetite, silica, silicon oxide, molybdenum.

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