TY JOUR TI PHYSICAL AND CHEMICAL PROPERTIES OF FREE AND IMMOBILIZED ON THE CHITOSANE MATRIX FICIN AND PAPAIN KW ficin KW papain KW immobilization KW physical and chemical properties of enzymes KW chitosan JO Russian Journal of Biological Physics and Chemisrty AU Koroleva, V.A. AU Holyavka, M.G. AU Pankova, S.M. AU Olshannikova, S.S. AU Ermolaeva, V.V. AU Sakibaev, F.A. AU Shelometseva, T.N. AU Artukhov, V.G. PY 2018 IS 3 PB Federal State Educational Institution of Higher Education Sevastopol State University