Zobrazeno 1 - 10
of 11
pro vyhledávání: '"E M, Bershteĭn"'
Autor:
E M, Bershteĭn
Publikováno v:
Antibiotiki i khimioterapiia = Antibiotics and chemoterapy [sic]. 36(6)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::5f5e139894a472b220006f9523d11c0e
https://pubmed.ncbi.nlm.nih.gov/1910325
https://pubmed.ncbi.nlm.nih.gov/1910325
Publikováno v:
Antibiotiki. 25(7)
Mycoheptin, an original antifungal polyenic antibiotic is a complex of several heptaen components. 2 heptaen components designated as mycoheptins A1 and A2 were isolated from the mycoheptin complex with the counter-current distribution technique in a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::48257438cd7ed90d844aad02043bf170
https://pubmed.ncbi.nlm.nih.gov/7406459
https://pubmed.ncbi.nlm.nih.gov/7406459
Publikováno v:
Trudy Instituta imeni Pastera. 58
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::609a02c292b1f3ef15e4e309de767965
https://pubmed.ncbi.nlm.nih.gov/7187546
https://pubmed.ncbi.nlm.nih.gov/7187546
Publikováno v:
Antibiotiki i meditsinskaia biotekhnologiia = Antibiotics and medical biotechnology. 32(11)
Gel diffusion regularities with respect to neomycin sulfate substances differing in their composition and the antibiotic separate components were studied on nutrient media of diverse composition. Optimal conditions for standardization of neomycin sul
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::41f008aefda8c0eccb5b1fdb719954b5
https://pubmed.ncbi.nlm.nih.gov/3125785
https://pubmed.ncbi.nlm.nih.gov/3125785
Autor:
E M, Bershteĭn, L S, Golubkova
Publikováno v:
Antibiotiki i meditsinskaia biotekhnologiia = Antibiotics and medical biotechnology. 31(7)
It was shown possible to use nutrient media containing only salt components and agar-agar for determination of biological activity of tetracyclines (tetracycline, morphocycline, oxytetracycline and chlortetracycline), erythromycin and oleandomycin. A
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::9e3a67730e2aff16eeb54d718f4bf876
https://pubmed.ncbi.nlm.nih.gov/3094436
https://pubmed.ncbi.nlm.nih.gov/3094436
Autor:
E M, Bershteĭn
Publikováno v:
Antibiotiki. 22(1)
The effect of incubation temperature, pH and medium composition on the size of the growth inhibitions zones, clearance of their borders and slope of the dose-response curve in determin ation of the biological activity of amphotericin B by the agar-di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::ac2ef27277eab81da1d8dea067dd80c1
https://pubmed.ncbi.nlm.nih.gov/14589
https://pubmed.ncbi.nlm.nih.gov/14589
Publikováno v:
Antibiotiki. 29(6)
The growth of gram-negative sporulating bacteria and yeast-like fungi used in a microbilogical assay of antibiotic activity was studied on solid synthetic media of simple composition. Their reproduction with the microbial growth of different density
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::434e5f77af983cc6666cfafb961547e1
https://pubmed.ncbi.nlm.nih.gov/6433784
https://pubmed.ncbi.nlm.nih.gov/6433784
Publikováno v:
Antibiotiki i meditsinskaia biotekhnologiia = Antibiotics and medical biotechnology. 30(9)
Stability is one of the most important indices of the quality of antibiotic microbiological standards. At present the expiry date of the mycoheptin standard (a specially purified preparation) is 1 year when stored in sealed ampoules in an inert gas a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::042e10397ad01bdc1d3f037c1e26be38
https://pubmed.ncbi.nlm.nih.gov/4062282
https://pubmed.ncbi.nlm.nih.gov/4062282
Publikováno v:
Antibiotiki. 29(10)
It was shown that a nutrient medium containing only salt components except agar-agar could be used for assay of the biological activity of heliomycin. The optimal results were observed on the medium containing ammonium chloride, urea, disubstituted s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::16c05d84e2a072c7e5de5b6a79bce9d5
https://pubmed.ncbi.nlm.nih.gov/6439107
https://pubmed.ncbi.nlm.nih.gov/6439107
Publikováno v:
Antibiotiki. 29(1)
The same samples of the fermentation broth and mycelium of the amphotericin B-producing organism, (S. nodosus, strain 258) were assayed with the agar diffusion method and spectrophotometrically. The comparison of the results showed that the spectroph
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::a9c23ed7d9d783186b77fc615eb7551f
https://pubmed.ncbi.nlm.nih.gov/6696398
https://pubmed.ncbi.nlm.nih.gov/6696398