Search Results - "SHELLENBERG, N N"

The ion-exchange method for the isolation of crystalline 6-aminopenicillic acid from penicillin enzymatic hydrolysis products by SAVITSKAIA, E M, SHELLENBERG, N N, LIBINSON, G S, BRUNS, B P, KOLYGINA, Ts

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A method for the isolation of crystalline 6-methylpenicillic acid from liquid culture media obtained during the fermentation of the microganism Penicillium chrysogenum without the precursor by SAVITSKAIA, E M, SHELLENBERG, N N, LIBINSON, G S, BRUNS, B P, KOLYGINA, Ts, DRUZHININA, E N

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Physico-chemical properties of 6-aminopenicillic acid-titration and solubility curves by BRUNS, B P, SAVITSKAIA, E M, SHELLENBERG, N N, LIBINSON, G S, KOLYGINA, Ts, DRUZHININA, E N

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Penicillin amidase from E. coli. Some physicochemical properties of the soluble enzyme by Savitskaia, E M, Nys, P S, Shellenberg, N N

“…Homogeneity of the enzyme was shown with the methods of gel filtration and disc electrophoresis. The molecular mass of penicillinamidase (PA) was determined…”
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Penicillin amidase from E. coli. Some physicochemical properties of the enzyme incorporated into polyacrylamide gel by Shellenberg, N N, Nys, P S, Savitskaia, E M

“…The physico-chemical properties of penicillinamidase (PA) immobilized in polyacrylamide gel (IPA) were investigated. It was shown that simple incorporation of…”
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Penicillin amidase from E. coli. A comparative study of the stability of penicillin amidase immobilized by various means by Nys, P S, Savitskaia, E M, Shellenberg, N N

“…The properties of immobilized penicillinamidases prepared by different methods were studied. Immobilization of penicillinamidase was achieved by using the…”
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The rate of destroying 6-aminopentcillanic acid(6-APA) in a sorbed state by Shellenberg, N. N., Savitskaya, E. M., Bruns, B. P., Kleiner, G. I., Elizarovskaya, L. M.

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Solubility and the complex-forming properties of the zwitterlytes, 6-aminopenicillanic and 7-aminodesacetoxycephalosporanic acids by Nys, P S, Elizarovskaia, L M, Shellenberg, N N, Savitskaia, E M

“…Relation between solubility of the zwitterlites 6-aminopenicillanic acid (6-APA) and 7-aminodesacetoxycephalosporamic acid (7-ADCA) and the ionic strength and…”
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Physico-chemical properties of 7-aminodesacetoxycephalosporanic acid by Nys, P S, Kol'tsova, E V, Shellenberg, N N, Savitskaia, E M, Levitov, M M

“…7-Aminodesacetoxycephalosporanic acid (7-ADCA) of 99 per cent purity was prepared by enzymatic hydrolysis of 7-phenylacetamidodesacetoxycephalosporanic acid…”
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Physicochemical properties of 7-phenylacetamidodesacetoxy-cephalosporanic acid by Nys, P S, Kol'tsova, E V, Shellenberg, N N, Zinchenko, E Ia, Riabova, N M

“…7-phenylacetamidodesacetoxycephalosporanic acid was prepared by transformation of benzylpenicillin. The acid was subjected to potentiometric titration and…”
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Distribution of 6-aminopenicillanic acid (6-APA) between ionite and solution by Savitskaia, E M, Shellenberg, N N, Nys, P S, Keĭner, G I, Elizarovskaia, L M

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Production of a highly purified streptomycin sulfate with the aid of carboxy caution exchange resins by IAKHONTOVA, L F, BRUNS, B P, CHEKULAEVA, Iu S, SHELLENBERG, N N, VAKULENKO, N A, KOVARDYKOVA, S N

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Slection of the optimal cation-exchange resin for the production of streptomycin by ion-exchange sorption method by IAKHONTOVA, L F, BRUNS, B P, CHEKULAEVA, Iu S, SHELLENBERG, N N, VAKULENKO, N A, KOVARDYKOVA, S N

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