Tsymbal O. A. RussiaSaratovSaratov State University , 83, Astrakhanskaya str., Saratov, 410012, Russia аспирантolegtsymbal1990@yandex.ru Author's articles A Quantum Chemical Substantiation of the Intermediate Nature and Regioselectivity of Homolytic Oxidative Coupling of L-cysteine Fragmentation Canals of Molecular Ions of GC-MS-Registered Components of Media of Shiitake Basidiomycete Submerged Cultivation in the Presence of Diacetophenonylselenide. Isomerization of Dihydrofurans and Their Cation Radicals Structure of Hydroperoxide Anion from the Viewpoint of Quantum Chemistry Antioxidant Status of Macrobasidiomycetes Mycelium Grown in the Presence of Organoselenium Compounds Exploration of Possibilities for Organic Selenides and Dihydroselenochromilium Salt Interaction with Diphenylpicrylhydrazyl