Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Oksana Velgosová"'
Publikováno v:
Micro, Vol 3, Iss 4, Pp 879-891 (2023)
In this work, we aimed to analyze the impact of extracts prepared from dried Lavandula angustifolia (lavender) flowers and leaves on the synthesis of silver nanoparticles (AgNPs) (wherein the shape and size of AgNPs and the efficiency of the process
Externí odkaz:
https://doaj.org/article/185ecf7c6ffd43a388a1183e8178fcac
Publikováno v:
Metals, Vol 14, Iss 5, p 513 (2024)
The research aimed to observe the influence of the storage conditions of silver colloidal solutions prepared by biological (green) and chemical methods on their long-term stability. Green methods for reducing and stabilizing silver nanoparticles (AgN
Externí odkaz:
https://doaj.org/article/d8bfb50d9f65450b938c9f52c59c16f2
Autor:
Oksana Velgosova, Lívia Mačák, Vladimír Mára, Erika Múdra, Marek Vojtko, Maksym Lisnichuk, Elena Čižmárová
Publikováno v:
Metals, Vol 13, Iss 12, p 1996 (2023)
The aim of this work was to propose a simple method for synthesizing differently shaped AgNPs and to find a suitable stabilizing/capping agent to ensure the non-toxicity of AgNPs. Using a chemical method, by simply changing the volume of reducing age
Externí odkaz:
https://doaj.org/article/113d513d487b4598aa57dcb06fdbb451
Publikováno v:
Acta Polytechnica, Vol 58, Iss 6, Pp 365-369 (2018)
Application of green methods to replace physical and chemical methods for synthesis of silver nanoparticles (AgNPs) has become necessary not only from economic aspect but especially due to its significant impact on ecosystem. The properties of biolog
Externí odkaz:
https://doaj.org/article/83535dd851ce46c594e9bbd2ea5a77b2
Publikováno v:
Acta Polytechnica, Vol 58, Iss 2, Pp 104-108 (2018)
The study focuses on an investigation of the influence of both citrate and mixed gelatin/citrate as a reductant and stabilizer on the colloidal stability of silver nanoparticles (AgNPs)synthesized by a chemical reduction of Ag+ ions after a short - (
Externí odkaz:
https://doaj.org/article/2b1df7c05dcf4d6295ee1156e097421d
Autor:
Michal Besterci, Ferdinand Dobeš, Tibor Kvačkaj, Katarína Sülleiová, Beata Ballóková, Oksana Velgosová
Publikováno v:
Acta Metallurgica Slovaca, Vol 20, Iss 3 (2014)
A method of mechanical alloying process is described. It was proved that the transformation efficiency of carbon to Al4C3 by heat treatment of aluminium with the porous furnace black and electrographite at temperatures 723 – 873 K and time periods
Externí odkaz:
https://doaj.org/article/65eb6c94e84f43afb1d9be1e59e99d50
Autor:
Beáta Ballóková, Viktor Puchý, Pavol Hvizdoš, Oksana Velgosová, Michal Besterci, M. Podobová, Róbert Džunda
Publikováno v:
Metallic Materials. 59:237-244
Publikováno v:
Kovove Materialy-Metallic Materials. 60
Publikováno v:
Molecular Crystals and Liquid Crystals. 711:41-49
In the article the green synthesis of silver nanoparticles (AgNPs) by four extracts of Parachlorella kessleri the alga: solution A—a mixture of H2O and algae (also used as a stock solution), B—heat...
Publikováno v:
Inorganic and Nano-Metal Chemistry. 50:842-852
In this research work, we reported the impact of changes of alga Parachlorella kessleri (P. kessleri) composition on silver nanoparticles (AgNPs) synthesis. P. kessleri (sample A) and three extract...