Zobrazeno 1 - 10
of 22
pro vyhledávání: '"I. I. Romanovska"'
Autor:
V. A. Toptikov, I. I. Romanovska
Publikováno v:
Biotechnologia Acta, Vol 15, Iss 3, Pp 42-51 (2022)
Aim. The purpose of the work was to determine the effect of trichloroacetic (TCA) and perchloric (HClO4) acids on the result of ninhydrin reaction with various amino acids. Methods. A standard method of amino acid detection using a ninhydrin reage
Externí odkaz:
https://doaj.org/article/9ce5faf5e47041759cb592dd87c2a961
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 24, Iss 2(70), Pp 20-28 (2019)
In the process of proteases immobilization, their conformation, affinity of enzymes to the substrate, as well as other properties, may change. Therefore, their comprehensive study, including the reaction rates, affinity to the substrate and the deter
Externí odkaz:
https://doaj.org/article/fa0d4c126192481d839c2690c098353d
Autor:
O. V. Sevastyanov, Yu. A. Shesterenko, A. A. Ryzhak, I. I. Romanovska, N. A. Dziubliuk, L. D. Varbanets
Publikováno v:
The Ukrainian Biochemical Journal, Vol 91, Iss 3, Pp 25-33 (2019)
The kinetics of enzyme reaction is generally studied using the Michaelis-Menten equation and various methods of its linearization. Each method has its advantages and drawbacks, so their comparison for determining the kinetics of new enzymes action is
Externí odkaz:
https://doaj.org/article/5aa68629c71442e68e30aaa98f5be13a
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 24, Iss 4(68), Pp 56-63 (2018)
Excessive accumulation of melanin leads to a number of skin diseases and cosmetic problems, namely toxic and medicinal melanoderma, melasma, lentigo, etc. The leading role in the formation of melanin belongs to tyrosinase, an enzyme of the class of o
Externí odkaz:
https://doaj.org/article/d7e1e4424ed8470f9c6cc2a7222c1169
Publikováno v:
Biotechnologia Acta, Vol 7, Iss 3, Pp 60-73 (2014)
The lysozyme immobilization in cryogel of polyvinyl alcohol and physico-chemical properties of obtained preparation was investigated. Hydrolytic activity of lysozyme was determined by bacteriolytic method, using Micrococcus lysodeikticus cells aceton
Externí odkaz:
https://doaj.org/article/c337f5c2e6b54a7da8b6821a1b7b8d47
Autor:
E. A. Shesterenko, I. I. Romanovska,, O. V. Sevastyanov, E. A. Semenishina, V. I. Pavlovsky, S. A. Andronat
Publikováno v:
Biotechnologia Acta, Vol 6, Iss 2, Pp 80-84 (2013)
The synthesis of new series of 7-bromo-5-aryl-1,2-dihydro-3H-1,4-benzdiazepine-2-one derivatives, containing in the tree position phthalimidoacyl and hexylacyl fragments was accomplished. The structure of new compounds was proved by mass-spectrometry
Externí odkaz:
https://doaj.org/article/4a093bbfcf5f46db8beae0c7f4d9c278
Publikováno v:
Biotechnologia Acta, Vol 6, Iss 1, Pp 9-21 (2013)
The classification, structure, and mechanism of catalytic action of carboxylesterase of different origin are presented in the review. The prospects of carboxylesterases application for metabolism and both several drugs and prodrugs activation inve
Externí odkaz:
https://doaj.org/article/b8c5727a201e4638b1d48373b65ce622
Autor:
A. A. Ryzhak, L. D. Varbanets, I. I. Romanovska, N. A. Dziubliuk, O. V. Sevastyanov, Yu. A. Shesterenko
Publikováno v:
Ukrainian Biochemical Journal, Vol 91, Iss 3, Pp 25-33 (2019)
The kinetics of enzyme reaction is generally studied using the Michaelis-Menten equation and various methods of its linearization. Each method has its advantages and drawbacks, so their comparison for determining the kinetics of new enzymes action is
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 24, Iss 2(70), Pp 20-28 (2019)
In the process of proteases immobilization, their conformation, affinity of enzymes to the substrate, as well as other properties, may change. Therefore, their comprehensive study, including the reaction rates, affinity to the substrate and the deter
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 22, Iss 4(64), Pp 69-79 (2017)
Melanin pigmentation of skin plays the most important role in the protection of organism against UV-irradiation, but the excessive accumulation of melanin brings to toxic melanodermia, melasma, lentigo and other skin lesions. Tyrosinase is the key en