Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Crina Anastasescu"'
Autor:
Cristina Maria Vlăduț, Crina Anastasescu, Silviu Preda, Oana Catalina Mocioiu, Simona Petrescu, Jeanina Pandele-Cusu, Dana Culita, Veronica Bratan, Ioan Balint, Maria Zaharescu
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 15, Iss 1, Pp 1283-1296 (2024)
Although the microwave-assisted sol–gel method is quite frequently used for the preparation of oxide nanostructures, the synergism of the reaction pathways is not fully explained. However, state-of-the-art theoretical and practical results of high
Externí odkaz:
https://doaj.org/article/593f1b15e51a4aa88bb3739a8cddc65f
Autor:
Evghenii Goncearenco, Iuliana P. Morjan, Claudiu Teodor Fleaca, Florian Dumitrache, Elena Dutu, Monica Scarisoreanu, Valentin Serban Teodorescu, Alexandra Sandulescu, Crina Anastasescu, Ioan Balint
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 14, Iss 1, Pp 616-630 (2023)
TiO2 nanoparticles were synthesized by laser pyrolysis from TiCl4 vapor in air in the presence of ethylene as sensitizer at different working pressures (250–850 mbar) with and without further calcination at 450 °C. The obtained powders were analyz
Externí odkaz:
https://doaj.org/article/3e0c518273f04d6a8d21524fa0c39542
Autor:
Diana Pelinescu, Mihai Anastasescu, Veronica Bratan, Valentin-Adrian Maraloiu, Catalin Negrila, Daiana Mitrea, Jose Calderon-Moreno, Silviu Preda, Ioana Catalina Gîfu, Adrian Stan, Robertina Ionescu, Ileana Stoica, Crina Anastasescu, Maria Zaharescu, Ioan Balint
Publikováno v:
Gels, Vol 9, Iss 8, p 650 (2023)
Nanostructured oxides (SiO2, TiO2) were synthesized using the sol–gel method and modified with noble metal nanoparticles (Pt, Au) and ruthenium dye to enhance light harvesting and promote the photogeneration of reactive oxygen species, namely singl
Externí odkaz:
https://doaj.org/article/1519a812c0d3430dbcdde5fa593c4f16
Autor:
Crina Anastasescu, Simona Neagu, Silviu Preda, Daniela Culita, Mihaela Stancu, Cristian Banciu, Cornel Munteanu, Veronica Bratan, Jose Maria Calderon-Moreno, Razvan State, Mihai Anastasescu, Madalin Enache, Ioan Balint, Maria Zaharescu
Publikováno v:
Antioxidants, Vol 12, Iss 3, p 691 (2023)
ZnSe, ZnSe-TiO2 microspheres and nanostructured TiO2 obtained by hydrothermal and sol–gel methods were tested against Staphylococcus aureus ATCC 25923 and Micrococcus lysodeikticus ATCC 4698 before and after lysozyme (Lys) loading. Morphological ch
Externí odkaz:
https://doaj.org/article/08dcf4590801467a9683188bd738dfa5
Autor:
Emilian Chifor, Ion Bordeianu, Crina Anastasescu, Jose Maria Calderon-Moreno, Veronica Bratan, Diana-Ioana Eftemie, Mihai Anastasescu, Silviu Preda, Gabriel Plavan, Diana Pelinescu, Robertina Ionescu, Ileana Stoica, Maria Zaharescu, Ioan Balint
Publikováno v:
Nanomaterials, Vol 12, Iss 18, p 3186 (2022)
This work presents the synthesis of nanostructured TiO2 modified with noble metal nanoparticles (Au, Ag) and lysozyme and coated on titanium foil. Moreover, the specific structural and functional properties of the resulting inorganic and hybrid mater
Externí odkaz:
https://doaj.org/article/f8c128153c8e4116a7dc4501b2e09dec
Autor:
Crina Anastasescu, Silviu Preda, Adriana Rusu, Dana Culita, Gabriel Plavan, Stefan Strungaru, Jose Maria Calderon-Moreno, Cornel Munteanu, Catalina Gifu, Mirela Enache, Radu Socoteanu, Daniel Angelescu, Mihai Anastasescu, Mariuca Gartner, Ioan Balint, Maria Zaharescu
Publikováno v:
Molecules, Vol 23, Iss 6, p 1362 (2018)
A wide range of hybrid biomaterials has been designed in order to sustain bioremediation processes by associating sol-gel SiO2 matrices with various biologically active compounds (enzymes, antibodies). SiO2 is a widespread, chemically stable and non-
Externí odkaz:
https://doaj.org/article/b7943925171548baa0cc59ffa326183f
Autor:
Ioan Balint, Polona Umek, Melita Sluban, Daniel G. Angelescu, Silviu Preda, Catalin Negrila, Crina Anastasescu, Maria Zaharescu, Veronica Bratan, Adriana Rusu
Publikováno v:
Applied Surface Science. 470:1053-1063
The research focuses on a few key points concerning the light-driven processes taking place on TiO2 anatase and sodium titanates with tubular morphology, such as the relationship between the morphology and activity for H2 and CO2 production, density
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d17a5f2b7694ae0445a8f3d400b7f624
https://doi.org/10.1016/j.apsusc.2018.11.194
https://doi.org/10.1016/j.apsusc.2018.11.194
Autor:
Silviu Preda, Polona Umek, Maria Zaharescu, Crina Anastasescu, Simona Viorica Petrescu, Cătălina Gîfu, Diana-Ioana Eftemie, Razvan State, Florica Papa, Ioan Balint
Publikováno v:
Catalysts; Volume 12; Issue 6; Pages: 666
Sodium titanate nanorods were synthesized by a hydrothermal method and subsequently modified with an iron precursor. For comparison, Fe2O3 nanocubes were also obtained through a similar hydrothermal treatment. Pristine, Fe-modified nanorods and Fe2O3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f17d6917b7730bf16f231f364afe19a2
https://doi.org/10.3390/catal12060666
https://doi.org/10.3390/catal12060666
Autor:
Tanta Spataru, Anca Vasile, Claudiu Fleaca, Valentin S. Teodorescu, Nicolae Spătaru, Florica Papa, C. N. Mihailescu, Crina Anastasescu, Alexandra Sandulescu, Maria Zaharescu, M. Scarisoreanu, Ioan Balint, Monica Raciulete
Publikováno v:
Catalysts, Vol 11, Iss 487, p 487 (2021)
Catalysts
Volume 11
Issue 4
Catalysts
Volume 11
Issue 4
The specific roles played by both support and noble metals in light absorption, charge separation, and the formation of ·OH and O2− (ROS) are analyzed for light-triggered oxidation of phenol (Ph) over pristine and over noble metal (Ag, Au, Pt) -lo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::95c20965bc2a7fa1bc20e00a13c83c54
https://www.mdpi.com/2073-4344/11/4/487
https://www.mdpi.com/2073-4344/11/4/487
