[Neuraminidase activity of the L forms of Erysipelothrix rhusiopathiae].
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Animals↗
Biomedical subjects
I Abrashev
Publications and source records attributed to I Abrashev.
[Attempts at obtaining type-specific polysaccharides from Erysipelothrix insidiosa by formamide extraction].
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Erysipelothrix↗
[Comparative studies of the neuraminidase activity of virulent strains and avirulent variants of Erysipelothrix insidiosa].
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Erysipelothrix↗
[Accumulation dynamics of neuraminidase depending on the growth phases of Erysipelothrix insidiosa].
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Erysipelothrix↗
[Studies of the R-forms of Erysipelothrix insidiosa].
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Carboxy-Lyases↗
Quantity of serum immunoglobulins IgG, IgA and IgM in Bulgarian blood-donors.
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Adolescent↗
[Duration of penicillin retention in the intestine of guinea pigs].
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Animals↗
[Attempts to improve the sensitivity and expressiveness of the precipitation curve in the diagnosis of infectious diseases. II. Accelerated positivation of the Ascoli test through specific phagolysis].
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Antigens↗
[Further studies on the sporulation of Bacillus anthracis as a factor for the preservation of its virulence].
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Animals↗
[Variants of Bacillus anthracis under the effect of bacteriophage in vivo].
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Animals↗
[Experiments to improve the sensitivity and sharpness of the precipitation reaction in the diagnosis of infectious diseases. I. Speed and degree of postmortal multiplication of Bacillus anthracis and Ascoli' reaction].
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Animals↗
[Experiments to explain the possibility of multiplication and increase in virulence of the septicemic-infective agent in the crop of blood-sucking arthropods. I. Study on a Pasteurella pseudotuberculosis model].
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Animals↗
[Biological and biochemical investigations on the virulentization of some septicemic and blood causative agents. IV. On some characteristics in staphylococcic variants with different virulence].
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Animals↗
[Measuring neuraminidase activity by the thiobarbiturate method].
A number of reducing agents used for removing the excess of periodate in the reaction of the neuraminidase (EC 3.2.1.18) activity measuring by the thiobarbituric acid technique were compared. The toxic reagent sodium arsenite may be replaced by a 20% solution of ascorbic acid. The modified technique of the neuraminidase activity determining can be used in case of both high-molecular weight substrate ovomucin and low-molecular weight substrate-glycomacropeptide from milk whey.
Indicators and Reagents↗
[The use of a glycomacropeptide of kappa-casein as a substrate for neuraminidase].
Glycomacropeptide from milk was studied; its molecular mass and amino acid composition were evaluated. When the glycomacropeptide was used as a substrate of neuraminidase, it exhibited many advantages as compared with ovomucin (high molecular substrate of the enzyme) due to increased content of sialic acids in the glycomacropeptide composition and to high solubility.
Amino Acids↗