Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Irena Mihailova"'
Autor:
Ruzha Harizanova, Irena Mihailova, Zara Cherkezova-Zheleva, Daniela Paneva, Milena Georgieva, Dimitar Tzankov, Georgi Avdeev, Christian Rüssel
Publikováno v:
Boletín de la Sociedad Española de Cerámica y Vidrio, Vol 63, Iss 1, Pp 23-32 (2024)
The synthesis of glass–crystalline materials in the system Na2O/CaO/SiO2/Fe2O3 with high concentrations of Fe2O3 (20, 25 and 30 mol%) by applying the melt-quenching technique is reported. The melts spontaneously crystallize during pouring and the f
Externí odkaz:
https://doaj.org/article/c8f0f7c9073d400c8ae60c0a938eaf69
Autor:
Vjaceslavs Gerbreders, Marina Krasovska, Eriks Sledevskis, Irena Mihailova, Valdis Mizers, Jans Keviss, Andrejs Bulanovs
Publikováno v:
Crystals, Vol 14, Iss 5, p 423 (2024)
This article is devoted to the study of the effect of ZnO nanoparticles on the development of tolerance to salt stress in rye samples. As a quantitative criterion for assessing the degree of oxidative stress, the amount of H2O2 released in the sample
Externí odkaz:
https://doaj.org/article/7b523ebf119b42df8be03c9583d362e9
Publikováno v:
Micromachines, Vol 15, Iss 3, p 311 (2024)
This research investigates the enhancement of barley’s resistance to salt stress by integrating nanoparticles and employing a nanostructured Co3O4 sensor for the electrochemical detection of hydrogen peroxide (H2O2), a crucial indicator of oxidativ
Externí odkaz:
https://doaj.org/article/b047a88a6a1849229ee1dfb77b558fb7
Autor:
Irena Mihailova, Vjaceslavs Gerbreders, Marina Krasovska, Eriks Sledevskis, Valdis Mizers, Andrejs Bulanovs, Andrejs Ogurcovs
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 13, Iss 1, Pp 424-436 (2022)
This article describes the synthesis of nanostructured copper oxide on copper wires and its application for the detection of hydrogen peroxide. Copper oxide petal nanostructures were obtained by a one-step hydrothermal oxidation method. The resulting
Externí odkaz:
https://doaj.org/article/9b8496d94bf3483c89f765a9fdcd79fa
Autor:
Irena Mihailova, Marina Krasovska, Eriks Sledevskis, Vjaceslavs Gerbreders, Valdis Mizers, Andrejs Ogurcovs
Publikováno v:
Chemosensors, Vol 11, Iss 10, p 532 (2023)
Hydrogen peroxide is essential for biological processes and normally occurs in low concentrations in living organisms. However, exposure of plants to biotic and abiotic stressors can disrupt their defense mechanisms, resulting in oxidative stress wit
Externí odkaz:
https://doaj.org/article/cb991e2e587442e59b0a8b25d1e2b8d9
Autor:
Marina Krasovska, Vjaceslavs Gerbreders, Irena Mihailova, Andrejs Ogurcovs, Eriks Sledevskis, Andrejs Gerbreders, Pavels Sarajevs
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 9, Iss 1, Pp 2421-2431 (2018)
ZnO nanostructures are promising candidates for use in sensors, especially in electrochemical sensors and biosensors, due to their unique physical and chemical properties, as well as sensitivity and selectivity to several types of contamination, incl
Externí odkaz:
https://doaj.org/article/52523667f0ad445ea85c728549b44c0b
Autor:
Vjaceslavs Gerbreders, Marina Krasovska, Irena Mihailova, Andrejs Ogurcovs, Eriks Sledevskis, Andrejs Gerbreders, Edmunds Tamanis, Inese Kokina, Ilona Plaksenkova
Publikováno v:
Sensing and Bio-Sensing Research, Vol 23, Iss , Pp - (2019)
A DNA electrochemical sensor's construction based on ZnO nanostructured electrodes is described in the article. As object of the study, DNA primers and PCR products of Trichinella britovi and Trichinella spiralis were chosen. The sensors were prepare
Externí odkaz:
https://doaj.org/article/1885e97982d340c9bdb787936ae9f38b
Publikováno v:
Processing and Application of Ceramics, Vol 3, Iss 3, Pp 125-130 (2009)
In the present work the results of the research on the sol-gel synthesis and structure of cordierite (2MgO·2Al2O3·5SiO2), tialite (Al2O3·TiO2) and cordierite/tialite glass-ceramics as well cordierite containing 2 wt.% of Co and Co+Cu have been des
Externí odkaz:
https://doaj.org/article/c6ae24c5d1284e5f8e0b41f21ab7b144
Autor:
Lachezar Radev, Liliana Pavlova, Bisserka Samuneva, Elena Kashchieva, Irena Mihailova, Maria Zaharescu, Barbara Malic, Luminita Predoana
Publikováno v:
Processing and Application of Ceramics, Vol 2, Iss 2, Pp 103-108 (2008)
LaCoO3 powders are studied because they exhibit interesting electrical, magnetic and catalytic properties. In this paper, new synthesized La2O3-CoO-SiO2 powders with different quantity of silica were prepared via solgel method in aqua media, starting
Externí odkaz:
https://doaj.org/article/95445e8d307c4f3f908e6fc05a9d3708
Autor:
Ruzha Harizanova, Irena Mihailova, Zara Cherkezova-Zheleva, Daniela Paneva, Milena Georgieva, Dimitar Tzankov, Georgi Avdeev, Christian Rüssel
Publikováno v:
Boletín de la Sociedad Española de Cerámica y Vidrio.