The synthetic analogues of natural porphyrins are widely used in medicine as pharmaceutical diagnostic markers. It was shown the possibility of applying porphyrins in the therapy of the diseases, connected with the development of oxidative stress. The paper presents the results of the study of antioxidant activity of the free base meso-tetrakis (3,5-di-tert-butyl-4-hydroxyphenyl) α-tocopherol, 2,6-di(tert-butyl) phenols, 2,6-di(tert-butyl)-4-methylphenol (ionol).

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This article studies extra-linguistic and intra-lingual factors affecting the effectiveness of teaching Russian to cadets from Laos. The study analyzes the cultural typology of R. Lewis in relation to the extra-linguistic specific nature of teaching Russian as a foreign language.

Милёхина Татьяна Алексеевна, доктор филологических наук, профессор кафедры русского языка, речевой коммуникации и русского как иностранного, Саратовский национальный исследовательский государственный университет имени Н. Г. Чернышев