Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Bogdan Ştefan, Vasile"'
Autor:
Mihaela Botea, Ioana Pintilie, Vasile-Adrian Surdu, Cătălina-Andreea Stanciu, Roxana-Doina Truşcă, Bogdan Ştefan Vasile, Roxana Patru, Adelina-Carmen Ianculescu, Lucian Pintilie
Publikováno v:
Journal of Materials Research and Technology, Vol 12, Iss , Pp 2085-2103 (2021)
Graded structures with different architectures were obtained by spark plasma sintering from (Ba1-xSrx)TiO3 (BST, x = 0.10; 0.20; 0.30) powders. The presence of the composition gradient was confirmed by structural and compositional investigations usin
Externí odkaz:
https://doaj.org/article/0209e6ea09454f92a96bd195509b05bb
Autor:
Luminița Predoană, Gabriela Petcu, Silviu Preda, Jeanina Pandele-Cușu, Simona Viorica Petrescu, Adriana Băran, Nicoleta G. Apostol, Ruxandra M. Costescu, Vasile-Adrian Surdu, Bogdan Ştefan Vasile, Adelina C. Ianculescu
Publikováno v:
Gels, Vol 9, Iss 4, p 267 (2023)
Using the microwave-assisted sol–gel method, Zn- and Cu-doped TiO2 nanoparticles with an anatase crystalline structure were prepared. Titanium (IV) butoxide was used as a TiO2 precursor, with parental alcohol as a solvent and ammonia water as a cat
Externí odkaz:
https://doaj.org/article/38c4263e32d7411cbf4b959cc768adb0
Autor:
Roxana Cristina Popescu, Bogdan Ştefan Vasile, Diana Iulia Savu, George Dan Mogoşanu, Ludovic Everard Bejenaru, Ecaterina Andronescu, Alexandru Mihai Grumezescu, Laurenţiu Mogoantă
Publikováno v:
Pharmaceutics, Vol 14, Iss 9, p 1877 (2022)
Iron oxide nanoparticles (IONPs) have been extensively used in different biomedical applications due to their biocompatibility and magnetic properties. However, different functionalization approaches have been developed to improve their time-life in
Externí odkaz:
https://doaj.org/article/3ca314ae12674c178bbbefa6276c1164
Autor:
Mihaela Botea, Ioana Pintilie, Vasile-Adrian Surdu, Cătălina-Andreea Stanciu, Roxana-Doina Truşcă, Bogdan Ştefan Vasile, Roxana Patru, Mircea Udrea, Adelina-Carmen Ianculescu, Lucian Pintilie
Publikováno v:
Journal of Materials Research and Technology, Vol 13, Iss , Pp 1323- (2021)
Externí odkaz:
https://doaj.org/article/866fcbb522a64bd8ba1543b7bf18b2ff
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 41, Iss 4 (2018)
Several studies have described the use of HAp layers on titanium alloys in the recent years. Among the methods of strengthening the adherence of such layers, which call the researchers’ attention, there is the development of coating by sol-gel type
Externí odkaz:
https://doaj.org/article/0f72b7c5377e4c9eb11f8f495a6fe8f6
Autor:
Alina Maria Holban, Valentina Grumezescu, Alexandru Mihai Grumezescu, Bogdan Ştefan Vasile, Roxana Truşcă, Rodica Cristescu, Gabriel Socol, Florin Iordache
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 5, Iss 1, Pp 872-880 (2014)
We report on the fabrication of thin coatings based on polylactic acid-chitosan-magnetite-eugenol (PLA-CS-Fe3O4@EUG) nanospheres by matrix assisted pulsed laser evaporation (MAPLE). Transmission electron microscopy (TEM) and scanning electron microsc
Externí odkaz:
https://doaj.org/article/75470cfd562341e1bf98e2f1ac2343d0
Autor:
Elena Leocadia, Popescu, Maria, Bălăşoiu, Oana Mariana, Cristea, Alexandra Elena, Stoica, Ovidiu Cristian, Oprea, Bogdan Ştefan, Vasile, Alexandru Mihai, Grumezescu, Gabriela, Băncescu, Cristina Jana, Busuioc, George Dan, Mogoşanu, Costin Teodor, Streba, Laurenţiu, Mogoantă
Publikováno v:
Romanian journal of morphology and embryology = Revue roumaine de morphologie et embryologie. 60(3)
In recent decades, the study of nanoparticles (NPs) has gained a great scientific interest, due to a wide range of potential applications, in different fields: electronic, optical and biomedical. Some of the most studied effects of NPs are antibacter
Autor:
Otilia Ruxandra, Vasile, Ecaterina, Andronescu, Roxana, Truşcă, Eugeniu, Vasile, Alina Maria, Holban, Mariana Carmen, Chifiriuc, Florin, Iordache, Horia, Maniu, Coralia, Bleotu, Ioana Andreea, Neacşu, Bogdan Ştefan, Vasile
Publikováno v:
Romanian journal of morphology and embryology = Revue roumaine de morphologie et embryologie. 60(2)
Although engineered silver (Ag) nanopowders offer great promise in various fields of biomedical, industrial and ecological applications, insufficient data is known about their cytotoxicity. The purpose of the present study was the synthesis and then
Autor:
Bogdan Ştefan, Vasile, Otilia Ruxandra, Vasile, Daniela Cristina, GhiŢulică, Florina Cristina, Ilie, Irina Florentina, Nicoară, Roxana, Truşcă, Ovidiu Cristian, Oprea, Vasile Adrian, Surdu, Ionela Andreea, Neacşu
Publikováno v:
Romanian journal of morphology and embryology = Revue roumaine de morphologie et embryologie. 58(3)
In this work, several nanostructures (nanopowders and nanostars) of undoped and 1%, 3% and 5% europium (Eu3+)-doped ZnO have been synthesized via coprecipitation method using oxalic acid and sodium hydroxide as precipitation agents. Starting from zin
Autor:
Simona, Popescu, Ioana Lavinia, Ardelean, Dragoş, Gudovan, Marius, Rădulescu, Denisa, Ficai, Anton, Ficai, Bogdan Ştefan, Vasile, Ecaterina, Andronescu
Publikováno v:
Romanian journal of morphology and embryology = Revue roumaine de morphologie et embryologie. 57(2)
In this study, MCM-41 mesoporous silica nanoparticles (NPs) and MCM-41÷Fe3O4 mesoporous silica NPs were prepared by sol-gel method using CTAB (cetyltrimethylammonium bromide) as template and TEOS (tetraethyl orthosilicate) as silica precursor in ord