Zobrazeno 1 - 10
of 110
pro vyhledávání: '"Ioan Balint"'
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
Publikováno v:
Fractal and Fractional, Vol 7, Iss 3, p 262 (2023)
The close link between the roughness of a surface and its adsorptive properties in Cerofolini’s model yields, with an adequate choice of adsorption energy, the well-known Dubinin-Radushkevich or Freundlich adsorption isotherms. Assuming fractal beh
Externí odkaz:
https://doaj.org/article/5f852047f039458285a64746ef8ad48a
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:
Razvan State, Mariana Scurtu, Akane Miyazaki, Florica Papa, Irina Atkinson, Cornel Munteanu, Ioan Balint
Publikováno v:
Arabian Journal of Chemistry, Vol 10, Iss 7, Pp 975-984 (2017)
Well-defined Rh and Rh-Cu nanoparticles (NP's) of 1.6 nm and 1.3 nm, respectively, were synthesized by alkaline polyol method and then dispersed on insulating (Al2O3) and semiconducting (TiO2) supports. Both colloidal NP's and supported NP's were cha
Externí odkaz:
https://doaj.org/article/8e62fff8e4f941a8bfd5c833ef31f5f5
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
Publikováno v:
Journal of the Serbian Chemical Society, Vol 70, Iss 8-9, Pp 1049-1056 (2005)
A new type of complexes compounds (NH4)6[M3Fe5(C4O5H4)6(C4O5H3)6]·16H2O (where M(III) = Y, Eu, Gd, Er), (NH4)6[M3Fe5(C4O6H4)6(C4O6H3)6]·16H2O (where M(III) = Gd, Er) and (NH4)6[M3Fe5(C6O7H10)6(C6O7H9)6]·xH2O (where M(III) = Y; x = 8; M(III) = Eu,
Externí odkaz:
https://doaj.org/article/201e04ccda6e49098914569126c2895f
Publikováno v:
Fractal and Fractional; Volume 7; Issue 3; Pages: 262
The close link between the roughness of a surface and its adsorptive properties in Cerofolini’s model yields, with an adequate choice of adsorption energy, the well-known Dubinin-Radushkevich or Freundlich adsorption isotherms. Assuming fractal beh