TY JOUR TI INTERACTION OF HUMAN SERUM ALBUMIN WITH COBALT IONS AND CATECHIN KW human serum albumin KW metal ions KW catechin KW complexation KW protein secondary structure KW protein intrinsic fluorescence JO Russian Journal of Biological Physics and Chemisrty AU Fedotova, E.V. AU Paston, S.V. PY 2023 IS 8 PB Federal State Educational Institution of Higher Education Sevastopol State University