Immobilized carbon nanotubes as activators of cellular elements of blood in contact interaction

Background. The use of nanotechnology achievements in medicine opens up prospects for the development and improvement of means and methods of prevention and treatment of diseases of various origins. Carbon nanotubes (CNTs) are a product of modern nanotechnologies, and in addition to their unique physical and chemical properties, they are promising for practical applications in medicine. CNTs are one of the most popular (comparable only with silver and titanium dioxide nanoparticles) objects of nanotoxicological research. Data on the effect of CNTs on blood cells are contradictory, so additional studies are necessary. Objective. To assess the activation capabilities of immobilized carbon nanotubes by the rate of adhesion of blood cell elements to their surface in vitro. Design and methods. Hemocontact interaction was carried out in bench conditions using donor blood in rotational mode. Blood samples were taken before the start of the experiment and after 5, 20, 40 and 60 min. Changes in the indicators of cell blood populations using the hematology analyzer SySmex XT 1800i (26 parameters). 50 experiments were conducted. To analyze the activation functions, a speed-time adhesive profile was used. Results. The highest rates of activation of cellular elements of the blood were recorded in contact with multi-walled carbon nanotubes SiloMUNT. Conclusion. The results of the study can be further implemented in the procedure of low-volume hemoperfusion in clinical practice.

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