A wide application of nanomaterials in all fields of science and technology is increasing from year to year. The use of nanoparticles in different spheres of production is characterized by a potential danger for the health of the persons working with these compounds. Study of the use of nanoparticles in medicine and industry is far ahead of the research of their toxicological properties. That is why the study of structure, physico-chemical and toxicological properties and effects on the organism of the personnel, working with nanomaterials, is an important aspect for modern medicine. Nanoparticles of barium titanate are one of the known representatives of nanoparticles, actively used in different spheres of production. At present stage a toxicity of barium titanate has been studied insufficiantly. By the results of periodic medical examinations, the state of health of the workers, employed in the production of barium titanate nanocrystalline powder, is characterized by a higher prevalence of the diseases of respiratory, circulatory, genitourinary systems, and in dynamics – digestion organ diseases. So there is an urgent need to study the potential toxicological risks to minimize them in order to protect the human health and the environment and to ensure a safe development of nanotechnologic industry in long-term prospect.

nanomaterials, nanoparticles, barium titanate, impact on the organism.

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