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Stabilization of doped titanium-containing nanomaterials in the framework of screening studies of potential hazard for workers and environment

Stabilization of doped titanium-containing nanomaterials in the framework of screening studies of potential hazard for workers and environment

ISSN 2223-6775 Ukrainian journal of occupational health Vol.18, No 3, 2022


https://doi.org/10.33573/ujoh2022.03.197

Stabilization of doped titanium-containing nanomaterials in the framework of screening studies of potential hazard for workers and environment

Demetska O.V., Beliuha O.G., Movchan V.O., Patyka T.I., Tsapko V.G.
State Institution «Kundiiev Institute of Occupational Health of the National Academy of Medical Sciences of Ukraine», Kyiv, Ukraine


 Full article (PDF): ENG / UKR

Introduction. Doping with heavy metals can increase the initial toxicity of the nanomaterial, and cause adverse effects on environment and workers health.

The purpose of research. To analyze the dispersion of hydrosols of nanopowders of doped titanium-containing nanomaterials in different environments and to substantiate the feasibility of stabilizers for a series of screening studies of potential hazards.

Materials and methods of research. The dimensionality of titanium dioxide complex doped with silver (TіO2+Ag nanocomposite, mass fraction of Ag~4%), titanium dioxide complex doped with silver (TiO2+Ag nanocomposite, mass fraction of Ag~8%), and titanium dioxide nanopowder (TіO2) in different environments / stabilizers was estimated. The particle size was determined by dynamic light scattering using an Analysette 12 DynaSizer (Fritsch, Germany).

Results. Stabilization of titanium nanopowders with a glucose-citrate buffer makes it possible to obtain relatively stable hydrosols that can be used in screening studies using bovine spermatozoa as a test object. For studies of phyto- and antibacterial toxicity, it is advisable to use nanopowders in physiological solution.

Conclusions. In-depth investigations on the potentially toxic effects of additional doping of nanopowders with heavy metals on workers health and environment are needed.

Keywords: titanium-containing nanomaterials, doping, stabilization, screening, dispersion.

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