Zobrazeno 1 - 10
of 12
pro vyhledávání: '"P. S Levchenko"'
Autor:
V. S. Levchenko, E. V. Grebenkina, N. A. Illarionova, E. N. Koroleva, S. V. Zinovyev, S. V. Gamayunov
Publikováno v:
Опухоли женской репродуктивной системы, Vol 17, Iss 3, Pp 114-120 (2021)
Vulvar intraepithelial neoplasia (VIN) is the proliferation of atypical basal cells in the vulvar epithelium. The global VIN incidence has recently doubled; its incidence among white women under 35 years of age has almost tripled with a tendency for
Externí odkaz:
https://doaj.org/article/35dc7afe191440a1835fd4236aa7beac
Publikováno v:
RUDN Journal of Informatization in Education, Vol 17, Iss 1, Pp 36-48 (2020)
Problem and goal. The article describes how to organize electronic training materials for post-training support. The relevance of the article is determined, on the one hand, by the external needs to expand the sphere of education, the tasks of furthe
Externí odkaz:
https://doaj.org/article/0fbbc5d29939488b9afe96477c2fb1f4
Autor:
Konstantin S. Levchenko, Gregory E. Adamov, Dmitri Yu. Demin, Polina A. Chicheva, Konstantin A. Chudov, Pavel S. Shmelin, Evgeny P. Grebennikov
Publikováno v:
Molbank, Vol 2020, Iss 4, p M1160 (2020)
Di(bicyclo[4.2.0]octa-1(6),2,4-trien-3-yl)dimethylsilane (DiBCB-DMS) was synthesized as a promising monomer for polymer coating production with good dielectric properties for electronics. DiBCB-DMS was characterized by 1H, 13C NMR, IR, UV/VIS, and HR
Externí odkaz:
https://doaj.org/article/21e1bc0bee024e2b89742eed9dab2985
Publikováno v:
Molbank, Vol 2020, Iss 1, p M1116 (2020)
4-(2-Bromovinyl)benzocyclobutene was prepared via a five stage synthesis starting from benzocyclobutene in an overall 30% yield. 4-(2-Bromovinyl)benzocyclobutene has a potential applications in synthesis of monomers for dielectric materials.
Externí odkaz:
https://doaj.org/article/b11f3af19f454c2db655011103783633
Autor:
Konstantin S. Levchenko, Konstantin A. Chudov, Dmitri Yu. Demin, Konstantin A. Lyssenko, Pavel S. Shmelin
Publikováno v:
Molbank, Vol 2020, Iss 1, p M1106 (2020)
A new adamantan-2-ol with a 2-bicyclo[4.2.0]octa-1,3,5-trien-3-yl substituent in the position 2 was synthesized via two stage synthesis starting from benzocyclobutene and adamatan-2-one. The structure of the title compound was determined using 1H-and
Externí odkaz:
https://doaj.org/article/333a8d15e8c045ceabfa58803ae1f8a0
Autor:
Yu. S. Levchenko
Publikováno v:
Российский офтальмологический журнал, Vol 11, Iss 2, Pp 87-94 (2018)
In recent years, application of night orthokeratological contact lenses (OK lenses) is becoming more and more widespread the world over. Modern orthokeratology makes use of gas-permeable contact lenses of reverse geometry: these are sophisticated str
Externí odkaz:
https://doaj.org/article/9e8b073a8d904421a38c6b57da562d5a
Autor:
Konstantin S. Levchenko, Konstantin A. Chudov, Dmitri Yu. Demin, Pavel S. Shmelin, Evgeny P. Grebennikov
Publikováno v:
Molbank, Vol 2020, Iss 1, p M1102 (2019)
Bicyclo[4.2.0]octa-1,3,5-trien-3-yl-dimethyl-((E)-styryl)-silane was synthesized via three stage synthesis starting from benzocyclobutene and (2-bromo-vinyl)-benzene. The structure of the product was determined using 1H- and 13C-NMR and HRMS.
Externí odkaz:
https://doaj.org/article/d912bcce0d94450db0f85021cdccb308
Autor:
V. A. Tarakanov, E. G. Kolesnikov, O. A. Tereshchenko, A. E. Stryukovsky, I. S. Levchenko, N. V. Pelipenko, A. V. Shatov, R. V. Morozova
Publikováno v:
Кубанский научный медицинский вестник, Iss 5, Pp 121-125 (2016)
In order to determine the amount of resection of the small intestine area child with necrotizing enterocolitis, the parameters of the emission in the high field section of healthy tissue biopsies were studied area with paranecrosis and necrosis of th
Externí odkaz:
https://doaj.org/article/9c68d7809fe14139a94379a4ab6fc08b
Autor:
Tetiana L. Novytska, Yana S. Levchenko
Publikováno v:
Інформаційні технології і засоби навчання, Vol 39, Iss 1, Pp 209-221 (2014)
The article deals with the basic elements of an electronic library, digital library of research institutions, digital library processes, the functional requirements for a model of digital library of research institution. It is considered the concept
Externí odkaz:
https://doaj.org/article/83711d9dacef42aeb05d8868430ba9a5
Publikováno v:
International Journal of Nanomedicine, Vol 2009, Iss default, Pp 123-131 (2009)
Aristarchos Papagiannaros, Amit Kale, Tatyana S Levchenko, Dmitry Mongayt, William C Hartner, Vladimir P TorchilinDepartment of Pharmaceutical Sciences and Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, Boston, MA,
Externí odkaz:
https://doaj.org/article/d07bff6be9d149b29d858ce897f8e030