Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Galina P. Skvortsova"'
Autor:
Yuriy N. Malyar, Irina V. Korolkova, Natal'ya Yur'yevna Vasil'yeva, Svetlana A. Kuznetsova, Galina P. Skvortsova, Aleksandr S. Kazachenko
Publikováno v:
chemistry of plant raw material. :5-15
In this work, we optimized the process of sulfating abies ethanol lignin with complexes of sulfuric anhydride with pyridine and 1,4-dioxane. Experimentally found are the conditions for the implementation of the process of sulfation of abies ethanol l
Autor:
Alexander S. Kazachenko, Irina V. Korolkova, Maxim A. Lutoshkin, Galina P. Skvortsova, Nikolai G. Maximov, Alexander V. Levdansky, Boris N. Kuznetsov, Natalia Yu. Vasilyeva
Publikováno v:
Journal of Siberian Federal University. Chemistry. :142-152
For the first time water soluble copper-containing polymers based on sulfated ethanol lignin of abies wood were obtained by the method of ion exchange. Their composition and structure were studied with the use of elemental and chemical analysis, infr
Autor:
Svetlana A. Schislenko, Boris N. Kuznetsov, Svetlana A. Kuznetsova, Galina P. Skvortsova, Nikolai V. Chesnokov, Irina V. Korolkova, Anastasya A. Moroz
Publikováno v:
Journal of Siberian Federal University. Chemistry. :122-132
Methods have been developed for the preparation of enterosorbents by treating crushed abies bark with the 1.5% aqueous of NaOH solution or by extraction with hexane. It was found that all obtained enterosorbents have good sorption properties with res
Autor:
Vladimir A. Levdansky, Galina P. Skvortsova, N. M. Mikova, Boris N. Kuznetsov, Ivan P. Ivanov
Publikováno v:
Journal of Siberian Federal University. Chemistry. 10:368-380
Autor:
Boris N. Kuznetsov, Natalia Yu. Vasilyeva, Alexander V. Levdansky, Alexander S. Kazachenko, Galina P. Skvortsova
Publikováno v:
Journal of Siberian Federal University. Chemistry. 9:20-28
The new method of sulfated arabinogalactan modification by amino acids (glycine and ornithine) based on the ion exchange procedure was developed. The composition and structure of the reaction products obtained by interaction of sulfated arabinogalact
Autor:
Evgeniya S. Skurydina, O. F. Veselova, Iu. N. Maliar, Svetlana A. Kuznetsova, Galina P. Skvortsova
Publikováno v:
Russian Journal of Bioorganic Chemistry. 40:742-747
Betulin-containing products were obtained in a yield of about 40% from absolutely dry birch bark. The content of betulin in the products was 74–75% or 85–89% depending on the presence of sodium or potassium hydroxide, respectively. The one-step m
Autor:
Boris N. Kuznetsov, Catherine Pinel, Alexander V. Levdansky, Natalia Yu. Vasilyeva, Galina P. Skvortsova, Alexander S. Kazachenko, Laurent Djakovitch
Publikováno v:
JOURNAL OF SIBERIAN FEDERAL UNIVERSITY-CHEMISTRY
JOURNAL OF SIBERIAN FEDERAL UNIVERSITY-CHEMISTRY, 2016, 9 (3), pp.318-325. ⟨10.17516/1998-2836-2016-9-3-318-325⟩
JOURNAL OF SIBERIAN FEDERAL UNIVERSITY-CHEMISTRY, 2016, 9 (3), pp.318-325. ⟨10.17516/1998-2836-2016-9-3-318-325⟩
SSCI-VIDE+CDFA+LDJ:CPI; International audience; sulfated arabinogalactan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4fa651cd1191664c517349952218f61e
https://hal.archives-ouvertes.fr/hal-01772113
https://hal.archives-ouvertes.fr/hal-01772113
Autor:
Boris N. Kuznetsov, V. A. Sokolenko, Galina P. Skvortsova, Svetlana A. Kuznetsova, Yu. N. Malyar
Publikováno v:
Russian Journal of Bioorganic Chemistry. 38:743-748
A one-step synthesis of the betulin dipropionate directly from the birch bark without a separate stage of the betulin preparation is described in this paper. Extracts with different content of the betulin dipropionate were shown to form depending on
Autor:
Valeri A. Drebushchak, Tatyana P. Shakhtshneider, Vladimir V. Boldyrev, M. A. Mikhailenko, Galina P. Skvortsova, Svetlana A. Kuznetsova
Publikováno v:
Chemistry of Natural Compounds. 47:229-233
The influence of mechanical treatment on the properties of betulin, betulin diacetate, and their mixture with water-soluble polymers was studied. It was shown that mechanical treatment in a planetary mill-activator disordered the crystalline structur
Autor:
Laurent Djakovitch, Boris N. Kuznetsov, Catherine Pinel, A. V. Levdansky, N. Yu. Vasil’eva, A. S. Kazachenko, Galina P. Skvortsova
Publikováno v:
Bioorganicheskaya Khimiya / Russian Journal of Bioorganic Chemistry
Bioorganicheskaya Khimiya / Russian Journal of Bioorganic Chemistry, MAIK Nauka/Interperiodica, 2015, ⟨10.1134/s1068162015070158⟩
Bioorganicheskaya Khimiya / Russian Journal of Bioorganic Chemistry, MAIK Nauka/Interperiodica, 2015, ⟨10.1134/s1068162015070158⟩
The sulfation of arabinogalactan (AG) by sulfamic acid in the presence of urea in dioxane has been studied. The degree of AG sulfation increases as the sulfation temperature increases from 70 to 95°C. As indicated by 13C NMR spectroscopy, the sulfat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cca24e2785ea86e04238f01c2c986780
https://hal.archives-ouvertes.fr/hal-01265763
https://hal.archives-ouvertes.fr/hal-01265763