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3D radiation for nanomodification

 

Patent number: 2746263

Authors: Olga Suvorova, Pavel Bystrov, Yuri Pavlov, Alexandra Revina

Patent owner: Frumkin Institute of Physical chemistry and Electrochemistry of the Russian Academy of Sciences

 

 

The technology developed by Russian chemists makes it possible to sterilize surfaces that should not be sterilized with standard disinfection methods like high temperatures, such as microchips and sensors, as well as nodes and parts made of polymers. Also, this technology allows to change the chemical and physical properties of materials. It is applicable not only in the field of medicine and biotechnology, but also in robotics, radio components production, composite materials, and the chemical industry. The electron-beam system for 3D radiation nanomodification of materials and products in a reverse-micellar solution (EBS) consists of a two-level module with biological anti-radiation protection. On the upper level of the module there is a tank for preparing a reverse-micellar solution, a washing unit, a reagent regeneration unit and an inert gas cylinder. On the lower level, there is an electron accelerator and a system of reactors.

The use of EBS makes the sterilization process safer and faster, the surfaces remain sterile much longer. The use of a charged particle beam within the EBS allows for a change in the properties of the material, the so-called radiation-chemical transformations. As a result, metal-containing nanoparticles are formed, which penetrate the surface layers of products, allowing them to acquire anticorrosive, magnetic, and bactericidal properties.

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