L.M. SHARAPHETDINOVА1, A.M. MAZITOVA1, O.A. KRAVTSOVA1, L.I. MALTSEVA2, E.Yu. YUPATOV2 1Kazan (Volga region) Federal University, 18 Kremlevskaya St., Kazan, Russian Federation, 420008 2Kazan State Medical Academy, 36 Butlerov St., Kazan, Russian Federation, 420043 Sharaphetdinova L.M. — postgraduate student of the Department of Biochemistry and Biotechnology, tel. (843) 233-78-31, e-mail: l_sungatullina@mail.ru Mazitova A.M. — student of […]