Zobrazeno 1 - 10
of 67
pro vyhledávání: '"YU. E. TSVETKOV"'
Autor:
I. V. Yakovleva, E. A. Kurbatova, E. A. Akhmatova, E. V. Sukhova, D. V. Yashunsky, Yu. E. Tsvetkov, N. E. Nifantiev, V. V. Sviridov
Publikováno v:
Журнал микробиологии, эпидемиологии и иммунобиологии, Vol 0, Iss 5, Pp 26-31 (2018)
Aim. Production of monoclonal antibodies (mAb) to synthetic tetrasaccharide - repeating unit of the capsular polysaccharide (CP) of Streptococcus pneumoniae serotype 14 and their immunochemical characterization. Materials and methods. In order to gen
Externí odkaz:
https://doaj.org/article/ac7627c2f8b84e48bb9d33a9b7906793
Autor:
E. A. Kurbatova, E. A. Akhmatova, N. K. Akhmatova, N. B. Egorova, N. E. Yastrebova, E. V. Sukhova, Yu. E. Tsvetkov, D. V. Yashunsky, N. E. Nifantiev
Publikováno v:
Журнал микробиологии, эпидемиологии и иммунобиологии, Vol 0, Iss 6, Pp 54-60 (2016)
Aim. Evaluation of the ability of capsule polysaccharides (CP) of Streptococcus pneumoniae serotype 3 and 14 and their synthetic structure analogues, conjugated with bovine serum albumin (BSA), to detect antibodies in post-vaccination sera of mice. M
Externí odkaz:
https://doaj.org/article/4a4a40f7d2874db982756b8e95a7b578
Publikováno v:
Russian Chemical Bulletin. 71:1777-1783
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4828e5de0656b720a35c68c367cdd90
https://doi.org/10.1007/s11172-022-3589-9
https://doi.org/10.1007/s11172-022-3589-9
Autor:
E. A Kurbatova, N. K Akhmatova, N. B Egorova, I. B Semenova, N. E Yastrebova, Yu. E Tsvetkov, E. V Sukhova, D. V Yashunsky, N. E Nifantiev
Publikováno v:
Журнал микробиологии, эпидемиологии и иммунобиологии, Vol 92, Iss 3, Pp 46-53 (2015)
Aim. Study epitopic specificity of synthetic disaccharide, recurring link of serotype 3 S. pneumoniae, conjugated with bovine serum albumin (BSA). Materials and methods. Conjugate of the synthetic disaccharide with BSA was obtained by squarate method
Externí odkaz:
https://doaj.org/article/8bd9e4c989514981b3b3dac78faa398b
Autor:
Yu. E. Tsvetkov, Vladimir M. Menshov, D. E. Tsvetkov, Andrey S. Dmitrenok, Nikolay E. Nifantiev
Publikováno v:
Russian Chemical Bulletin. 70:1356-1362
An extract from the knotwood of Abies sibirica (Siberian fir) was studied by HPLC, NMR spectroscopy, and mass spectrometry with the goal to identify new sources of phytoestrogens, which are promising medicinal agents, and to obtain new representative
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0a3d42a73a6f968eece5ba5b4aef8e8
https://doi.org/10.1007/s11172-021-3223-2
https://doi.org/10.1007/s11172-021-3223-2
Autor:
D. E. Tsvetkov, Yu. E. Tsvetkov, Rakesh Kumar, Andrei S. Dmitrenok, Nikolay E. Nifantiev, Vinay K. Varshney
Publikováno v:
Russian Journal of Bioorganic Chemistry. 47:103-111
Two stilbenoids previously not observed in Shorea robusta (Sal) were isolated from 30% aqueous isopropanol extract of its knotwood. The compounds were purified by HPLC and identified as ampelopsin A and vatalbinoside A by NMR spectroscopy and mass-sp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ad0544cd29a7ee461ce77cc83311fd0
https://doi.org/10.1134/s1068162021010271
https://doi.org/10.1134/s1068162021010271
Autor:
Andrey S. Dmitrenok, D. E. Tsvetkov, Yu. E. Tsvetkov, Nikolay E. Nifantiev, Alexander O. Chizhov
Publikováno v:
Russian Chemical Bulletin. 69:2390-2395
According to HPLC, NMR spectroscopy, and mass spectrometry, the extracts of the knotwood of Salix capreal. contain catechin (1), 7-O-(β-d-glucopyranosyl)dihydrokaempferol (2), 7-O-(β-d-glucopyranosyl)dihydrokaempferol-4′-O-methyl ether (3), 7-O-(
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7c543ac07abb1054046ae1bab44c132
https://doi.org/10.1007/s11172-020-3050-x
https://doi.org/10.1007/s11172-020-3050-x
Autor:
A. Ya. Yashin, Alexander O. Chizhov, Andrei S. Dmitrenok, R. Devrani, Nikolay E. Nifantiev, D. E. Tsvetkov, Vinay K. Varshney, Rakesh Kumar, Yu. E. Tsvetkov, Ya. I. Yashin
Publikováno v:
Russian Chemical Bulletin. 68:2298-2306
Chemical composition of the extract from the Pinus roxburghii Sarg. knotwood was studied for the first time. The extracts were obtained by ultrasound assisted sequential extraction of knotwood with hexane, acetone—water (95 : 5, v/v), and water. Ac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::15370824792778dc63adbe5fdf58b2fb
https://doi.org/10.1007/s11172-019-2703-0
https://doi.org/10.1007/s11172-019-2703-0
Publikováno v:
Journal of Analytical Chemistry. 74:1320-1324
Electrospray ionization (ESI) high resolution mass spectra of positively charged ions (the first and the second order) of protonated molecules of isomeric β-(1→6)-linked cyclic tetrasaccharides of the Glcp2GlcpN2 composition were recorded and inte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::536e0a95ce4bcc12379869a5e6729bea
https://doi.org/10.1134/s1061934819130057
https://doi.org/10.1134/s1061934819130057
Components of the extracts of the knot wood of Dalbergia Sissoo Linn. and their antioxidant activity
Autor:
Vinay K. Varshney, Yu. E. Tsvetkov, Alexander O. Chizhov, A. Ya. Yashin, Rakesh Kumar, D. E. Tsvetkov, Andrei S. Dmitrenok, Nikolay E. Nifantiev, Ya. I. Yashin
Publikováno v:
Russian Chemical Bulletin. 68:1756-1762
The composition of the extract from the Dalbergia Sissoo Linn. knot wood was studied. Components obtained by extraction with 95% aqueous acetone were isolated, purified by HPLC, and identified by NMR spectroscopy and mass spectrometry as 7,6,3’,5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::34cf6a8070ebb8a3f8ee9a767e18613d
https://doi.org/10.1007/s11172-019-2621-1
https://doi.org/10.1007/s11172-019-2621-1