Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Veronica Bratan"'
Autor:
Anca Vasile, Gianina Dobrescu, Veronica Bratan, Mircea Teodorescu, Cornel Munteanu, Irina Atkinson, Catalin Negrila, Florica Papa, Ioan Balint
Publikováno v:
Catalysts, Vol 14, Iss 9, p 619 (2024)
The fractal characterization of supported nanoparticles is a useful tool for obtaining structural and morphological information that strongly impacts catalytic properties. We have synthesized and characterized Pt supported on TiO2 nanostructures. Tri
Externí odkaz:
https://doaj.org/article/d98ab0c6f6734802997e18c9add248a6
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:
Maria Covei, Cristina Bogatu, Silvioara Gheorghita, Anca Duta, Hermine Stroescu, Madalina Nicolescu, Jose Maria Calderon-Moreno, Irina Atkinson, Veronica Bratan, Mariuca Gartner
Publikováno v:
Materials, Vol 16, Iss 14, p 4899 (2023)
Wastewater treatment targeting reuse may limit water scarcity. Photocatalysis is an advanced oxidation process that may be employed in the removal of traces of organic pollutants, where the material choice is important. Titanium dioxide (TiO2) is a h
Externí odkaz:
https://doaj.org/article/1670bfd43ef749b9ba93e2436e6e0f01
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:
Cristina Maria Vlăduț, Oana-Cătălina Mocioiu, Silviu Preda, Jeanina Pandele-Cusu, Veronica Bratan, Roxana Trusca, Maria Zaharescu
Publikováno v:
Gels, Vol 8, Iss 12, p 811 (2022)
In this paper, we conducted a fundamental study concerning the effect of thermal treatment on the structure and morphology of 2 mol% vanadium doped ZnO nanopowders obtained by microwave assisted sol–gel method (MW). The samples were analyzed by DTA
Externí odkaz:
https://doaj.org/article/681a524b1e534c7dbe1f1c334b6434e8
Autor:
Monica Raciulete, Crina Anastasescu, Florica Papa, Irina Atkinson, Corina Bradu, Catalin Negrila, Diana-Ioana Eftemie, Daniela C. Culita, Akane Miyazaki, Veronica Bratan, Jeanina Pandele-Cusu, Cornel Munteanu, Gianina Dobrescu, Alexandra Sandulescu, Ioan Balint
Publikováno v:
Catalysts, Vol 12, Iss 12, p 1529 (2022)
A multi-step ion-exchange methodology was developed for the fabrication of Cu(LaTa2O7)2 lamellar architectures capable of wastewater depollution. The (001) diffraction line of RbLaTa2O7 depended on the guest species hosted by the starting material. S
Externí odkaz:
https://doaj.org/article/cd8c84c0eb774a7ca2f69bdab29e5c8d
Publikováno v:
Catalysts, Vol 12, Iss 10, p 1134 (2022)
Volatile organic compound (VOC) abatement has become imperative nowadays due to their harmful effect on human health and on the environment. Catalytic oxidation has appeared as an innovative and promising approach, as the pollutants can be totally ox
Externí odkaz:
https://doaj.org/article/55cee17b12cb4cacac196c4f3f5df819
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:
Daniela Negoescu, Irina Atkinson, Daniela Cristina Culita, Veronica Bratan, Adriana Baran, Viorica Parvulescu
Publikováno v:
Proceedings, Vol 57, Iss 1, p 60 (2020)
Titanium dioxide, TiO2, plays an important role due to its catalytic properties and high chemical [...]
Externí odkaz:
https://doaj.org/article/d5bcca3625804b558462b472d36e310b
Autor:
Monica Raciulete, Florica Papa, Catalin Negrila, Veronica Bratan, Cornel Munteanu, Jeanina Pandele-Cusu, Daniela C. Culita, Irina Atkinson, Ioan Balint
Publikováno v:
Catalysts, Vol 10, Iss 6, p 637 (2020)
We have explored an efficient strategy to enhance the overall photocatalytic performances of layered perovskites by increasing the density of hydroxyl group by protonation. The experimental procedure consisted of the slow replacement of interlayer Rb
Externí odkaz:
https://doaj.org/article/749dc368b5384464b839d5f61a9ed6c9