*3.1. Reagents*

Phosphate buffered saline (PBS), L-glutamine, penicillin-streptomycin solution (10,000 U/mL, 10 μg/mL) were purchased from Sigma-Aldrich (St. Louis, MI, USA). The MTS reagent (3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium) was purchased from Promega (Madison, WI, USA). The Basal Medium Eagle (BME), McCoy's 5A Modified Medium (McCoy's 5A), Minimum Essential Medium Eagle (MEM), trypsin, fetal bovine serum (FBS), and agar were purchased from ThermoFisher Scientific (Waltham, MA, USA). Organic solvents, inorganic acids, and salts were commercially obtained (Laverna, Moscow, Russia)
