Biomedical subjects
Publications and source records attributed to S A Tokarev.
The actual problems of health-keeping in children and adolescents living in high latitudes are analyzed. The data on morbidity and spreading of risk factors of chronic non-infectious diseases in adolescents aged 14-17 living in the Far North are presented.
A study was made of the morphology of plague moderate bacteriophages 1701, 1710 and their mutants 1701-1 and 1710-1. The phages proved to be morphologically identical, were referred to group 5, and were identical to the moderate plague H-phages; when confronted to the commonness of the serological properties and a number of other signs this indicated their affinity.
The authors examined the ultrastructure of the causative agents of glanders and melio idosis. It was revealed that the structure of their cell wall and of the cytoplasmic membrane was characteristic of Gram negative bacteria. The cytoplasm of both types of the causative agents showed the presence of ribosomes, membrane structure, nucleoid, and also osmiophilic and osmiophobic inclusions.
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The methods of electron microscopy and optic difraction were used to determine the main parameters of the structural organization of cholera bacteriophage of serotype II. The virions of the phage under study were found to consist of a capsid of icosahedral shape and 77.4 X 66.1 nm in size, formed of 252 morphological subunits and having the cavity volume of 76.3 X 10(3) nm3. A process of 94.8 nm in length adheres to the capsid, with a shell capable of contractions, of 85.6 nm in length, 20.6 nm in width, containing 60 morphological subunits. The shell covers the central core of 8.9 nm in diameter. The optic difraction revealed the helical type of symmetry of the process structure and its main parameters.