Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Cristina Bartha"'
Autor:
Mihaela Baibarac, Mirela Paraschiv, Radu Cercel, Ion Smaranda, Cristina Bartha, Alexandru Trandabat
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-21 (2022)
Abstract In this work, new optical evidences concerning the changes induced of the UV light on pantoprazole sodium (PS), in solid state and as aqueous solution, are reported by UV–VIS spectroscopy, photoluminescence (PL), Raman scattering and FTIR
Externí odkaz:
https://doaj.org/article/2cb2d18c477f49f19c05fd9b3e6fc998
Autor:
Mihail Elisa, Bogdan Alexandru Sava, Mihai Eftimie, Adrian Ionut Nicoara, Ileana Cristina Vasiliu, Madalin Ion Rusu, Cristina Bartha, Monica Enculescu, Andrei Cristian Kuncser, Mihai Oane, César Elosúa Aguado, Diego López-Torres
Publikováno v:
Materials, Vol 16, Iss 22, p 7105 (2023)
In this study, a sol-gel film based on lead sulfide (PbS) quantum dots incorporated into a host network was synthesized as a special nanostructured composite material with potential applications in temperature sensor systems. This work dealt with the
Externí odkaz:
https://doaj.org/article/65082cfb8afc4dfb9526f1418ebf2d64
Publikováno v:
Pharmaceutics, Vol 15, Iss 11, p 2613 (2023)
The aim of this work is to highlight the influence of UV light on the hydrolysis reaction of nifedipine (NIF) in the presence of alkaline solutions. In this context, the photodegradation of NIF in the absence of alkaline solutions caused (a) a change
Externí odkaz:
https://doaj.org/article/040617ff177e4878b8f57a854f4aaddc
Autor:
Ileana Cristina Vasiliu, Ana Violeta Filip, Irinela Chilibon, Mihail Elisa, Cristina Bartha, Victor Kuncser, Aurel Leca, Lucica Boroica, Bogdan Alexandru Sava, Roxana Trusca, Mihai Eftimie, Adrian Nicoara
Publikováno v:
Materials, Vol 16, Iss 18, p 6156 (2023)
A convenient and low-cost sol–gel approach for the one-step synthesis of ZnO–P2O5–rGO nanostructures with tuned bandgap and fluorescence was investigated. The obtained hybrid nanostructures exploit the properties of zinc oxide, graphene oxide a
Externí odkaz:
https://doaj.org/article/94e6f1f5ad2b400d986be41596f7ac10
Publikováno v:
Magnetochemistry, Vol 9, Iss 1, p 11 (2022)
Glassy nanocomposites containing Yb3+/Er3+-doped GdF3 and LiGdF4 nanocrystals have been prepared by controlled crystallization of the xerogel and the structural, up-conversion luminescence, and magnetic properties were analyzed and discussed. Structu
Externí odkaz:
https://doaj.org/article/bdc74cb19329460d90a1f5957513e0d0
Autor:
Felicia Tolea, Bogdan Popescu, Cristina Bartha, Monica Enculescu, Mugurel Tolea, Mihaela Sofronie
Publikováno v:
Magnetochemistry, Vol 9, Iss 1, p 7 (2022)
In our work, the kinetics of martensitic transformations and the influence of thermal treatments on martensitic transformations, as well as the related magnetic properties of the Ni49Mn32Ga19 ferromagnetic shape memory melt-spun ribbons, have been in
Externí odkaz:
https://doaj.org/article/b27eeba899c4419c9e082e345b1d12bf
Autor:
Adrian Ionut Nicoara, Mihai Eftimie, Mihail Elisa, Ileana Cristina Vasiliu, Cristina Bartha, Monica Enculescu, Mihaela Filipescu, César Elosúa Aguado, Diego Lopez, Bogdan Alexandru Sava, Mihai Oane
Publikováno v:
Nanomaterials, Vol 12, Iss 17, p 3006 (2022)
IV-VI semiconductor quantum dots embedded into an inorganic matrix represent nanostructured composite materials with potential application in temperature sensor systems. This study explores the optical, structural, and morphological properties of a n
Externí odkaz:
https://doaj.org/article/82bd15b46a2f4b699e94e587d0c51554
Autor:
N’ghaya Toulbe, Ion Smaranda, Catalin Negrila, Cristina Bartha, Corina M. Manta, Mihaela Baibarac
Publikováno v:
International Journal of Molecular Sciences, Vol 23, Iss 7, p 3975 (2022)
The effect of sodium thiosulfate (ST) on the photodegradation of azathioprine (AZA) was analyzed by UV-VIS spectroscopy, photoluminescence (PL), FTIR spectroscopy, Raman scattering, X-ray photoelectron (XPS) spectroscopy, thermogravimetry (TG) and ma
Externí odkaz:
https://doaj.org/article/c70d1ba2dd8f4216ae7627f50beb70aa
Publikováno v:
Magnetochemistry, Vol 8, Iss 2, p 22 (2022)
Luminescent nanocrystals embedded into silica microspheres were shown to be useful for silica labeling for biological applications, ensuring mechanical and chemical stability, nontoxicity, biocompatibility and optical properties. We used sol–gel te
Externí odkaz:
https://doaj.org/article/442b5ebc685f427e91acc64f13c9dae8
Autor:
Dana Gingasu, Ioana Mindru, Adelina-Carmen Ianculescu, Lucian Diamandescu, Vasile-Adrian Surdu, Gabriela Marinescu, Cristina Bartha, Silviu Preda, Marcela Popa, Mariana Carmen Chifiriuc
Publikováno v:
Magnetochemistry, Vol 8, Iss 2, p 12 (2022)
Nanosized CoFe1.8RE0.2O4 (RE3+ = Tb3+, Er3+) ferrites were obtained through wet ferritization method. These ferrites were characterized by X-ray diffraction (XRD), scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM/HR-TEM),
Externí odkaz:
https://doaj.org/article/25780e8e6d1144aaa953733f66f1788e