TY JOUR TI EFFECT OF THE SURFACE COATING OF UPCONVERSION NANOPARTICLES ON THE COLLOIDAL STABILITY IN TRANSFERRIN SOLUTIONS KW protein corona KW upconversion nanoparticles KW transferrin KW fluorescence correlation spectroscopy KW aggregation JO Russian Journal of Biological Physics and Chemisrty AU Vorotnov, A.D. AU Tsaregradskaya, A.I. AU Liang, L.. AU Yudintsev, A.V. AU Kostyuk, A.B. AU Zvyagin, A.V. PY 2019 IS 4 PB Federal State Educational Institution of Higher Education Sevastopol State University