Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Petronela Prepelita"'
Autor:
Marian Mogildea, George Mogildea, Sorin I. Zgura, Doina Craciun, Natalia Mihăilescu, Petronela Prepelita, Laura Mihai, Marian C. Bazavan, Vasile Bercu, Leonard Constantin Gebac, Raluca Maier, Bogdan S. Vasile, Valentin Craciun
Publikováno v:
Nanomaterials, Vol 13, Iss 23, p 3071 (2023)
A new method for the synthesis and deposition of tungsten oxide nanopowders directly on the surface of a carbon-fiber-reinforced polymer composite (CFRP) is presented. The CFRP was chosen because this material has very good thermal and mechanical pro
Externí odkaz:
https://doaj.org/article/0504b10e42bb4e7ea1b36cc6c4790ce3
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-12 (2022)
Abstract The paper introduces a method for the measurement of monochromatic light using the geometric phase shift in a polarizing interferometer and applying the Fourier transform spectroscopy method. This is achieved with no mirror displacement or c
Externí odkaz:
https://doaj.org/article/9ed2b7b21b4b49cdba6bf2957b8ef8ff
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 12, Iss 1, Pp 354-365 (2021)
The influence of film thickness on the structural and optical properties of silicon dioxide (SiO2) and zinc oxide (ZnO) thin films deposited by radio frequency magnetron sputtering on quartz substrates was investigated. The deposition conditions were
Externí odkaz:
https://doaj.org/article/425d8b81e3604568b76eb79958eb90dc
Autor:
Mihaela Balas, Simona Nistorescu, Madalina Andreea Badea, Anca Dinischiotu, Mihai Boni, Andra Dinache, Adriana Smarandache, Ana-Maria Udrea, Petronela Prepelita, Angela Staicu
Publikováno v:
Pharmaceutics, Vol 15, Iss 4, p 1194 (2023)
The combination of TiO2 nanoparticles (NPs) and photosensitizers (PS) may offer significant advantages in photodynamic therapy (PDT) of melanoma, such as improved cell penetration, enhanced ROS production, and cancer selectivity. In this study, we ai
Externí odkaz:
https://doaj.org/article/764c13d096d540abbe2794270a05e501
Publikováno v:
Results in Physics, Vol 35, Iss , Pp 105387- (2022)
Low dimensions of the nanostructured thin films are essential in applications of miniaturized optical systems. Noble metal thin films of different thicknesses (4–10 nm) were obtained by radio frequency magnetron sputtering (rfMS) with controlled mo
Externí odkaz:
https://doaj.org/article/19f157aec0e44115b95e6106c34304b1
Autor:
Andra Dinache, Simona Nistorescu, Tatiana Tozar, Adriana Smarandache, Mihai Boni, Petronela Prepelita, Angela Staicu
Publikováno v:
Molecules, Vol 28, Iss 1, p 318 (2022)
This study presents the spectral characterization of TiO2 nanoparticles (NPs) functionalized with three porphyrin derivatives: 5,10,15,20-(Tetra-4-aminophenyl) porphyrin (TAPP), 5,10,15,20-(Tetra-4-methoxyphenyl) porphyrin (TMPP), and 5,10,15,20-(Tet
Externí odkaz:
https://doaj.org/article/c25b924d8b2a4693a292e2961d54ce3c
Autor:
Petronela Prepelita, Ionel Stavarache, Doina Craciun, Florin Garoi, Catalin Negrila, Beatrice Gabriela Sbarcea, Valentin Craciun
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 10, Iss 1, Pp 1511-1522 (2019)
In this work, rapid thermal annealing (RTA) was applied to indium tin oxide (ITO) films in ambient atmosphere, resulting in significant improvements of the quality of the ITO films that are commonly used as conductive transparent electrodes for photo
Externí odkaz:
https://doaj.org/article/b4e7cf8f46ba4b019eed57671e910fc6
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 7, Iss 1, Pp 1492-1500 (2016)
Obtaining high-quality materials, based on nanocrystals, at low temperatures is one of the current challenges for opening new paths in improving and developing functional devices in nanoscale electronics and optoelectronics. Here we report a detailed
Externí odkaz:
https://doaj.org/article/4b49166af94d4957b883c1948ffd0da5
Autor:
George Mogîldea, Marian Mogîldea, Sorin I Zgura, Doina Craciun, Cristina Popa, Petronela Prepelita, Marian C Bazavan, Valentin Craciun
Publikováno v:
Physica Scripta. 98:045508
The aim of this research is to understand the plasma initiation process generated by metallic wires when interacting with high energy density microwaves. Lead (Pb) and molybdenum (Mo) wires of 0.5 mm diameter were investigated in this experiment. The
Autor:
Danut-Ionel Vaireanu, Ioana Alina Ciobotaru, Gianina Popescu-Pelin, Petronela Prepelita, Mihaela Mincu, Dragos Vladimir Budei
Publikováno v:
Open Chemistry, Vol 19, Iss 1, Pp 189-198 (2021)
Most dental implants used in dental practices are made of titanium or titanium alloys so that the essential differences promoted by the various manufacturers are at the level of their surface; through specific surface treatments, the aim is to obtain