Zobrazeno 1 - 10
of 15
pro vyhledávání: '"S. V. Toporov"'
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 25, Iss 1(73), Pp 65-75 (2020)
The actuality of the antivirals design and synthesis capable to the reproduction inhibition of emerging and mutated viruses is now especially evident against the background of the SARSCoV-2 outbreak in the world. New 6- and 7-aminomethyl-11H-indeno[2
Externí odkaz:
https://doaj.org/article/43fdbdaa18484bf580ad7068562f9500
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 25, Iss 1(69), Pp 92-104 (2019)
Acid-base properties of aminomethanesulfonic acid N-n-propyl (n-PrAMSA), N-n-butyl (n-BuAMSA) and N-n-heptyl (n-HpAMSA) derivatives (YAMSA) in aqueous solutions at 293 – 313 K were investigated by pH measurements. The ion-molecular composition of t
Externí odkaz:
https://doaj.org/article/69cceba6f244453aad36715e348ff458
Autor:
N. A. Chivireva, O. A. Sakharova, I. V. Stoyanova, A. O. Stoyanov, S. A. Tarasenko, S. V. Toporov
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 15, Iss 3, Pp 107-113 (2015)
It was found that the synthetic fluorapatite (Ca(Sr)10(PO4)6F2), which did not dissolve at the mixture of hydrochloric acid and sodium citrate, fluoride can be determined ionometrically after dissolution in the reagents forming complexes with metal c
Externí odkaz:
https://doaj.org/article/f2b53a8bc8ec4375aa676cb9d0e22b6c
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 19, Iss 2(50), Pp 44-49 (2015)
The antioxidative activity of extracts from plants with hepatoprotective properties have been investigated. Make a comparative evaluation between the content of flavonoids and polyphenolic compounds in the extracts and their antioxidant activity.
Externí odkaz:
https://doaj.org/article/d8cdb52803014848954bbe353003fb7c
Autor:
S. V. Toporov, Н. О. Літвинюк
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 15, Iss 2, Pp 52-59 (2015)
The article presents the work on identifying optimal conditions for complex formation between salicylfluorone, phenylfluorone or 5-bromosalicylfluorone, and ions of tungsten (VI). It studies spectrophotometric characteristics of extracted complexes,
Externí odkaz:
https://doaj.org/article/19f58419f88c4b22b71604667b1e66b0
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 17, Iss 1(41), Pp 36-45 (2014)
Spectral-luminescent characteristics of Eu(III) complexes with modified diethylenetriaminepentaacetic acid and silica xerogel based on it are studied. It was established that the inorganic matrix leads to elimination of nonradiative energy losses and
Externí odkaz:
https://doaj.org/article/ddfd4fd419a6495593bf9cd7d5cea681
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 17, Iss 1(41), Pp 13-19 (2014)
A comparative IR spectral study of samples of three bentonites from Dashukovskoye, Gorbskoye, and Kirovogradskoye deposits was carried out. Capabilities of IR spectroscopy not only for the identification of a structure of montmorillonite – the main
Externí odkaz:
https://doaj.org/article/d10d725e26194d44a2a56a8d640f5089
Autor:
R. E. Khoma, T. S. Bienkovska, E. Yu. Bugova, L. T. Osadchiy, S. V. Vodzinskii, S. V. Toporov
Publikováno v:
Odesa National University Herald. Chemistry. 27:43-52
The study of data on acid-base properties of model systems SO2 – KOH – TrOOO – H2O and SO2 – Am – TrOOO – H2O (TrOOO – tropeoline OOO; Am – diethanolamine (DEA), triethanolamine (TEA), N‑methylmonoethanolamine (MMEA) and morpholine
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04d9727fc3b5a1b86fbf8661451f90fb
https://doi.org/10.18524/2304-0947.2022.3(83).268625
https://doi.org/10.18524/2304-0947.2022.3(83).268625
Publikováno v:
Odesa National University Herald. Chemistry. 26:48-55
The present review is devoted to a class of organic analytical reagents 6,7- and 7,8-dihydroxybenzopyrylium derivatives: their synthetic pathways, physicochemical properties, state in solutions, and analytical applications are described. Anion nature
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::07ee5db20eac5794d142471530c0bc79
https://doi.org/10.18524/2304-0947.2021.2(78).233829
https://doi.org/10.18524/2304-0947.2021.2(78).233829
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 25, Iss 1(69), Pp 92-104 (2019)
Acid-base properties of aminomethanesulfonic acid N-n-propyl (n-PrAMSA), N-n-butyl (n-BuAMSA) and N-n-heptyl (n-HpAMSA) derivatives (YAMSA) in aqueous solutions at 293 – 313 K were investigated by pH measurements. The ion-molecular composition of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8df20d97770b41a32d15cb7168e84f26
https://doi.org/10.18524/2304-0947.2019.1(69).158502
https://doi.org/10.18524/2304-0947.2019.1(69).158502