TY JOUR TI Diffusion of toluidine blue in alginate-gelatine hydrogel under the influence of pepsin KW toluidine blue KW pepsin KW gelatin KW alginate KW cyclic voltammetry JO Russian Journal of Biological Physics and Chemisrty AU Cherenkov, I.A. AU Berezina, L.S. AU Krivilyov, M.D. AU Sergeyev, V.G. PY 2020 IS 5 PB Federal State Educational Institution of Higher Education Sevastopol State University