[Peculiazities Growth of Bacteria Azotobacter vinelandii IMV V-7076 and Bacillus subtilis IMV V-23 in Pure and Mixed Cultures at Submerged Cultivation].

The features of the growth of Azotobacter vinelandii IMV V-7076 and Bacillus subtilis IMV V-7023 in optimized environments in single and mixed culture at deep cultivation to simulate the accumulation stage (capacity) biomass biotechnology creation of complex bacterial preparation for crop production. When growing Bacillus subtilis IMV B-7023 in monoculture specific growth rate of the bacteria was higher than that of Azotobacter vinelandii IMV B-7076. Therefore, by cultivating a mixed culture medium in the fermenter was inoculated with the bacterial suspension A.

[Optimization of nutrient medium for cultivation of Bacillus subtilis IMV V-7023].

Nutrient medium for cultivation of Bacillus subtilis IMV V-7023 was optimized by the method of the orthogonal Latin rectangles. Optimum concentrations were investigated in the medium of carbon source (15.0 g/l of molasses), nitrogen (2.

[The effects of several factors on the growth of pure and mixed cultures of Azotobacter chroococcum and Bacillus subtilis].

We studied the effect of a clay mineral, palygorskite, on the physiological activity of Azotobacter chroococcum and the phosphate-mobilizing bacterium Bacillus subtilis, as well as their mixed cultures, under various oxygen supply conditions during the utilization of phosphorus from readily and poorly soluble compounds (K2HPO4 x 3H2O) and (Ca3(PO4)2), respectively. During cultivation of the bacteria in a nutrient medium with Ca3(PO4)2, the number of microorganisms was higher than that observed in a medium with K2HPO4. An increase in oxygen mass transfer in the nutrient medium was followed by a rise in the number of Bacillus subtilis cells and an inhibition of Azotobacter chroococcum growth.

[Surgical treatment of patients with chronic lower limb venous insufficiency and trophic disorders].

The experience in surgical treatment of 326 patients with IV-VI degree chronic lower limb venous insufficiency (CEAP) is analyzed. Correction of disorders of venous hemodynamics was performed with surgical methods and sclerotherapy. The best clinical and functional results in long-term period were achieved in patients undergone surgery in an early stage of the disease without deep veins valves insufficiency and external trophic disorders.