Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Galina Gayda"'
Autor:
Galina Gayda, Olha Demkiv, Nataliya Stasyuk, Yuriy Boretsky, Mykhailo Gonchar, Marina Nisnevitch
Publikováno v:
Biosensors, Vol 14, Iss 11, p 562 (2024)
We report the development of amperometric biosensors (ABSs) employing flavocytochrome b2 (Fcb2) coupled with nanoparticles (NPs) of noble metals on graphite electrode (GE) surfaces. Each NPs/GE configuration was evaluated for its ability to decompose
Externí odkaz:
https://doaj.org/article/9e2d5829cd514aaf951957fa72c8621d
Publikováno v:
Biosensors, Vol 14, Iss 3, p 138 (2024)
This paper describes the study of an amperometric glucose biosensor based on an enzymatic biofuel cell consisting of a bioanode and a biocathode modified with the same enzyme—glucose oxidase (GOx). A graphite rod electrode (GRE) was electrochemical
Externí odkaz:
https://doaj.org/article/ce895d0804ee4be981487e6012bbba37
Autor:
Olha Demkiv, Galina Gayda, Nataliya Stasyuk, Anna Moroz, Roman Serkiz, Asta Kausaite-Minkstimiene, Mykhailo Gonchar, Marina Nisnevitch
Publikováno v:
Biosensors, Vol 13, Iss 6, p 587 (2023)
L-Lactate is an indicator of food quality, so its monitoring is essential. Enzymes of L-Lactate metabolism are promising tools for this aim. We describe here some highly sensitive biosensors for L-Lactate determination which were developed using flav
Externí odkaz:
https://doaj.org/article/41efb6725bbd4120a7ecd859fe3c7a95
Autor:
Galina Gayda, Marina Nisnevitch
Publikováno v:
Applied Sciences, Vol 13, Iss 3, p 1417 (2023)
The broad definition of the term biosensing relates to practically all processes of molecular recognition [...]
Externí odkaz:
https://doaj.org/article/97975b8e759046e4b5cbc182516713f3
Autor:
Olha Demkiv, Galina Gayda, Nataliya Stasyuk, Olena Brahinetz, Mykhailo Gonchar, Marina Nisnevitch
Publikováno v:
Biosensors, Vol 12, Iss 9, p 741 (2022)
Laccase is a copper-containing enzyme that does not require hydrogen peroxide as a co-substrate or additional cofactors for an enzymatic reaction. Nanomaterials of various chemical structures are usually applied to the construction of enzyme-based bi
Externí odkaz:
https://doaj.org/article/8e7d1d1ce9b44c649d4e8ab0f9ed681a
Autor:
Nataliya Stasyuk, Olha Demkiv, Galina Gayda, Andriy Zakalskiy, Halyna Klepach, Nina Bisko, Mykhailo Gonchar, Marina Nisnevitch
Publikováno v:
Biosensors, Vol 12, Iss 7, p 472 (2022)
Metallic nanoparticles potentially have wide practical applications in various fields of science and industry. In biosensorics, they usually act as catalysts or nanozymes (NZs) and as mediators of electron transfer. We describe here the development o
Externí odkaz:
https://doaj.org/article/53c298f0ea12408f877bc2fbaf980b06
Autor:
Nataliya Stasyuk, Galina Gayda, Olha Demkiv, Lyubomyr Darmohray, Mykhailo Gonchar, Marina Nisnevitch
Publikováno v:
Applied Sciences, Vol 11, Iss 15, p 7024 (2021)
There are limited data on amperometric biosensors (ABSs) for L-arginine (Arg) determination based on oxidases that produce hydrogen peroxide (H2O2) as a byproduct of enzymatic reaction, and artificial peroxidases (POs) for decomposition of H2O2. The
Externí odkaz:
https://doaj.org/article/e4229b8bc86347ff96a6345ead04b07b
Autor:
Olha Demkiv, Nataliya Stasyuk, Roman Serkiz, Galina Gayda, Marina Nisnevitch, Mykhailo Gonchar
Publikováno v:
Applied Sciences, Vol 11, Iss 2, p 777 (2021)
Nanozymes (NZs) are nanostructured artificial enzymes that mimic catalytic properties of natural enzymes. The NZs have essential advantages over natural enzymes, namely low preparation costs, stability, high surface area, self-assembling capability,
Externí odkaz:
https://doaj.org/article/ec411c5e9053428c87d24364e8d87bbb
Publikováno v:
Studia Biologica. 17:99-114
In recent years, Prussian blue nanoparticles (PB-NPs) and theire analogues, that exhibit an increased catalytic activity, have attracted considerable attention in nanotechnology. Such nanoparticles are regarded as an alternative to natural enzymes an
Publikováno v:
Studia Biologica. 17:115-130
This paper presents an up-to-date review of research data on the specific features of lactic acid metabolism and its role as an effector of vital regulatory mechanisms. Lactic acid is an alpha-hydroxy monocarboxylic acid. Physical loads of submaximal