Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Vasilica Tucureanu"'
Publikováno v:
Engineering Proceedings, Vol 37, Iss 1, p 54 (2023)
In this paper, we report the use of the natural extract of Echinacea leaves [Echinacea purples] for the biosynthesis of copper oxide nanoparticles, with copper nitrate [Cu(NO3)2 3H2O] used as a metal precursor salt. The synthesized CuO was investigat
Externí odkaz:
https://doaj.org/article/d275f23671e94aaa95306ed3e5cfdea9
Publikováno v:
Materials Proceedings, Vol 14, Iss 1, p 9 (2023)
Zinc oxide nanostructures have real potential in different scientific fields. In the case of these nanostructures, it was found that the morphology of ZnO plays an essential role in developing further applications, but it is necessary a rigorous cont
Externí odkaz:
https://doaj.org/article/df262abe97db4e04a5fe3ecc2469a384
Autor:
Violeta Dediu, Mariana Busila, Vasilica Tucureanu, Florentina Ionela Bucur, Florina Silvia Iliescu, Oana Brincoveanu, Ciprian Iliescu
Publikováno v:
Nanomaterials, Vol 12, Iss 21, p 3832 (2022)
Annually, antimicrobial-resistant infections-related mortality worldwide accelerates due to the increased use of antibiotics during the coronavirus pandemic and the antimicrobial resistance, which grows exponentially, and disproportionately to the cu
Externí odkaz:
https://doaj.org/article/004a412097ed45319bb90c462777913e
Publikováno v:
Biosensors, Vol 11, Iss 12, p 497 (2021)
The biosensors that work with field effect transistors as transducers and enzymes as bio-receptors are called ENFET devices. In the actual paper, a traditional MOS-FET transistor is cointegrated with a glucose oxidase enzyme, offering a glucose biose
Externí odkaz:
https://doaj.org/article/f7df79ba13de453e841c47cc1db549ea
Autor:
Maria Roxana Marinescu, Marioara Avram, Catalin Parvulescu, Corneliu Voitincu, Vasilica Tucureanu, Alina Matei
Publikováno v:
Nonconventional Technologies Review, Vol 22, Iss 3 (2018)
Microelectromechanical systems (MEMS) represent the technology of microscopic devices. In this domain, photolithography is the most common method in order to obtain MEMS structures. The photoresist is the key element for microelectronic and MEMS tech
Externí odkaz:
https://doaj.org/article/169951dc001e446cbaaa33f5f8afda0e
Autor:
Mariaora Avram, Andrei Avram, Carmen Mihailaescu, Oana Tutunaru, Bianca Tincu, Elena Maria Anghel, Vasilica Tucureanu
Publikováno v:
Revista de Chimie. 71:24-29
Recently, graphene as a material for sensors has attracted attention due to unique properties, such as: excellent electrical and thermal conductivity, chemical stability, high surface area and Young�s modulus ̴ 1GPa, very promising for electrochem
Autor:
Raluca Gavrila, Iuliana Mihalache, Anca-Ionela Istrate, Florin Comanescu, Oana Tutunaru, Raluca Muller, Monica Nedelcu, Cosmin Romanitan, Vasilica Tucureanu, F. Nastase
Publikováno v:
Journal of Sol-Gel Science and Technology. 92:585-597
ZnO thin films were synthesized using sol–gel method at 0.25 and 0.5 M molarity concentration. Moreover, the obtained thin films were Calcium-doped with 1 and 5 at% concentration. In order to investigate the structural changes in the molecular bind
Autor:
Marian Popescu, S. Draga, Mirela Petruta Suchea, Camelia Ungureanu, Vasilica Tucureanu, M.A. Popescu, E. Buse, F. Nastase
Publikováno v:
Applied Surface Science. 481:1287-1298
Covering the natural fibers with metal oxides enhances the antibacterial properties of textiles. The efficiency of the nanostructured layer is determined by its thickness, uniformity, configuration and adherence to the flexible substrate. Conformal c
Autor:
Vasilica Tucureanu, Melania Banu, Marian Popescu, Dan Vasilache, Andrei Avram, Bogdan Bita, Raluca A Giurescu-Dumitrescu
Publikováno v:
Microscopy and Microanalysis. 24:49-59
The aim of this study is to conduct an extended surface and cross-section characterization of a denture base acrylic resin subjected to 500, 650, and 750 W microwave irradiation for 2, 3, and 5 min to assess its morphological modifications. A commerc
Autor:
Vasilica Tucureanu, Oana Tutunaru, Florin Comanescu, Raluca Gavrila, Valentin Buiculescu, A. C. Obreja, Mircea Dragoman
Publikováno v:
2019 International Semiconductor Conference (CAS).
This work presents a facile method for preparation of thin flexible films starting from inks based graphene oxide and MWCNT embeded in a polymer PEDOT:PSS matrix. The EMI shielding efficiency was evaluated for films thickness in the range of 10-20 mi