[Sorbed antigen test].
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Biomedical subjects
Publications and source records attributed to M Iu Suslova.
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The possibility of the preparation of dysentery antibody diagnostic reagents on the basis of adsorbed sera is shown. Such diagnostic reagents permit to determine 200000-600000 microbial bodies or 0.0008-0.0016 microgram of the antigen per ml. The use of antigenic erythrocytic diagnostic reagents for the indication of shigellae is expedient in the second variant of the passive hemagglutination inhibition test in the following modification: immune sera should be diluted not 2-fold, but only 1.5-fold; the material to be tested for the presence of shigellae should be added to these dilutions in a double volume.
Degradation of bis-(2-ethylhexyl)phthalate (BEHP) by microbial associations of water and bottom sediments of the Selenga River and Lake Baikal and by pure cultures of microbial species belonging to various taxa isolated from the sediments under discussion has been studied. It has been shown that intense biological degradation occurs in both water and sediments. The degrees of conversion in experimental closed systems on minimal media are 46 and 24%, respectively. The most active of the organisms studied is a Micromironospora actinomycete. It degraded BEHP by 36% of its initial concentration. Spore-forming bacteria and microorganisms of the genus Pseudomonas were less active (17-23% and 7-11%).