M.S. Ashapkina - Post-graduate Student, Department of Micro- and Nanoelectronics, Ryazan State Radio Engineering University. E-mail: mary62@mail.ru A.V. Alpatov - Ph.D. (Eng.), Associate Professor, Department of Micro- and Nanoelectronics, Ryazan State Radio Engineering University. E-mail: alpatov-alexey@yandex.ru A.A. Chekushin - Ph.D. (Med.), Assistant, Department of General Surgery, Ryazan State Medical University named after academician I.P. Pavlov. E-mail: rmi-62@rambler.ru