Výsledky vyhledávání - "E. G. Pykhteeva"

Akademický článek

The effect of cadmium and zinc content in sperm on spermogenesis parameters in male infertility

Autor: F. I. Kostev, A. D. Melenevskyi, V. A. Varbanets, E. G. Pykhteeva, D. V. Bolshoyi, D. A. Melenevskyi, A. M. Chayka

Publikováno v: Journal of Education, Health and Sport, Vol 10, Iss 6, Pp 350-363 (2020)

Relevance: Male infertility is a multifactorial disorder that occurs in about 50% of infertile couples. One of the reasons of infertility may be the increased exposure to toxic elements.Purpose: to study the interaction of cadmium and zinc content in

Externí odkaz: https://doaj.org/article/9361f0139fe4400896e7279a9c7cba05

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Akademický článek

THE RESULTS OF KUYALNIC ESTUARY HYDROCHEMICAL MONITORING DURING ITS FILLING WITH ODESSA GALF WATER (DECEMBER 2014 — MARCH 2015)

Autor: V. P. Antonovich, I. I. Zseltvay, K. K. Tsymbalyuk, D. V. Bolshoy, E. G. Pykhteeva, N. A. Chivireva, I. V. Stoyanova, O. I. Zseltvay

Publikováno v: Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 20, Iss 4(56), Pp 28-41 (2015)

As part of hydrochemical monitoring of Kuyalnic estuary in the initial period of its filling by the Odessa Bay water (December 2014 – May 2015) chemical analysis of samples of sea water, brine, and estuary peloids on the content of a number of basi

Externí odkaz: https://doaj.org/article/aa96c9292b73470ab35922e0c939bab6

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The effect of cadmium and zinc content in sperm on spermogenesis parameters in male infertility

Autor: V. A. Varbanets, F. I. Kostev, A. D. Melenevskyi, D. A. Melenevskyi, D. V. Bolshoyi, E. G. Pykhteeva, A. M. Chayka

Publikováno v: Journal of Education, Health and Sport, Vol 10, Iss 6, Pp 350-363 (2020)

Kostev F. I., Melenevskyi А. D., Varbanets V. А., Pykhteeva Е. G., Bolshoyi D. V., Melenevskyi D. A., Chayka А. М. The effect of cadmium and zinc content in sperm on spermogenesis parameters in male infertility. Journal of Education, Health and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8afe550f7f6a4a4913d9f616543c1366

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Structure and conformational mobility of substituted imidazodiazepinediones

Autor: G. D. Kalayanov, E. G. Pykhteeva, E. I. Ivanov, Yu. E. Shapiro, V. Ya. Gorbatyuk, N. M. Yaroshchenko

Publikováno v: Journal of Structural Chemistry. 33:853-858

Two-dimensional (NOESY) and dynamic IH NMR spectroscopy was used to determine the structure and conformational mobility of substituted 1,4,7-trimethyl-4,5,7,8-6H-imidazo[4,5-e][l,4]-diazpene-5,6-diones, which are cyclic homologs of caffeine, a natura

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d83a770cded965c38c5c284d496fb7cc
https://doi.org/10.1007/bf00745607

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ChemInform Abstract: Synthesis and Some Structural Peculiarities of Caffeine and Isocaffeine Homologues

Autor: Yu. E. Shapiro, E. I. Ivanov, E. G. Pykhteeva, G. D. Kalayanov, I. M. Yaroshchenko, V. Ya. Gorbatyuk

Publikováno v: ChemInform. 24

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::40b5247a40115d366dcb7ed6eb5f7881
https://doi.org/10.1002/chin.199339234

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Synthesis and some structural characteristics of caffeine and isocaffeine homologs

Autor: V. Ya. Gorbatyuk, G. D. Kalayanov, E. G. Pykhteeva, I. M. Yaroshchenko, Yu. E. Shapiro, E. I. Ivanov

Publikováno v: Chemistry of Heterocyclic Compounds. 28:324-326

As a result of methylation and subsequent catalytic debenzylation, 1-benzylimidazo[4,5-e][1,4]diazepine was converted to the corresponding imidazo[5,4-e][1,4]diazepine. Thermodynamic parameters of inversion in isomeric imidazo[4,5-e]- and imidazo[5,4

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::75bca4a22c19ea07ee5f453ae746d242
https://doi.org/10.1007/bf00529379

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[Activity of alpha-chymotrypsin immobilized in nanocapsules of poly(N,N-didodecyl-N,N-diallylammonium bromide)]

Autor: Iu E, Shapiro, E G, Pykhteeva, G V, Fedorova

Publikováno v: Bioorganicheskaia khimiia. 23(3)

Biocatalytic nanocapsule systems containing alpha-chymotrypsin in the inner aqueous cavity were synthesized. These systems can function in both organic solvents and aqueous media. To this end, the reversed hydrated micelles of N,N-diallyl-N,N-didodec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::c44433fa52863f9b5199c3f6ad392188
https://pubmed.ncbi.nlm.nih.gov/9190788

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Stereochemistry of 2,3-disubstituted 1,3,2-dioxaborinanes

Autor: E. G. Pykhteeva, E. A. Alekseeva, A. I. Gren, I. S. Rublev, V. V. Kuznetsov

Publikováno v: Scopus-Elsevier

According to1H NMR spectroscopic data, molecules of 2,4-disubstituted 1,3,2-dioxaborinanes exist in the preferred sofa conformation with equatorial alkyl groups at C(4). This conclusion has been confirmed by calculation of the optimal geometry of the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5eef21c8c52231407f0fc224a12d07c9
http://www.scopus.com/inward/record.url?eid=2-s2.0-27544467105&partnerID=MN8TOARS

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