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Newly developed combined adsorbents, containing from 1 to 8 mg of thymic DNA per 1 g of the granulated or the fibrous carbonic matrix, demonstrated good biocompatibility and selectivity for DNA- and DNP-binding substances. In a group of 14 patients with severe psoriasis (uncontrol trial) a single hemoperfusion procedure through DNA-coated granulated synthetic carbons (perfusion volume was 2.5-3.1 L, sorbent quantity was 30 g) resulted in complete remission in 6 patients and in substantial improvement of clinical status in 6 other patients. A positive effect was observed in 4 patients during 7-11 months; in 8 patients it is being observed for more than 29-33 months. The double-blind tests in the group of patients subjected to hemoperfusion through the DNA-coated charcoal (27 people) and uncoated charcoal (9 people) showed the full-scale remission in 55.5% and 11.2% respectively. The authors believe that the DNA-coated activated carbons can be an effective therapeutic procedure for treatment of numerous immuno-dependent diseases and states associated with disorders in the kinetics of cell division.

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In this paper special emphasis is making on the so-called mechanical filter elements made of polypropylene obtained by melt-blown (MB) technology. Presented information about production and testing multilayer polypropylene filtering cartridges, and their properties comparison with monolayer analogues.

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