Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Monica Daescu"'
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:
Madalina Oprica, Miruna Iota, Monica Daescu, Szilard N. Fejer, Catalin Negrila, Mihaela Baibarac
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
Abstract In this work, the photodegradation process of atorvastatin calcium (ATC) is reported as depending on: (1) the presence and the absence of excipients in the solid state; (2) the chemical interaction of ATC with phosphate buffer (PB) having pH
Externí odkaz:
https://doaj.org/article/e249d59e093145e5b55245204fee2f94
Autor:
Monica Daescu, Madalina Chivu, Elena Matei, Catalin Negrila, Oana Cramariuc, Mihaela Baibarac
Publikováno v:
Molecules, Vol 28, Iss 11, p 4546 (2023)
The aim of this work is to highlight the influence of blends based on TiO2 nanoparticles and reduced graphene oxide (RGO) on the photodegradation of acetaminophen (AC). To this end, the catalysts of TiO2/RGO blends with RGO sheet concentrations equal
Externí odkaz:
https://doaj.org/article/01bdb1c1e4fb481a9178eebdd3ae6f11
Autor:
Radu Cercel, Mirela Paraschiv, Cristina Stefania Florica, Monica Daescu, Adelina Udrescu, Romeo C. Ciobanu, Cristina Schreiner, Mihaela Baibarac
Publikováno v:
Pharmaceuticals, Vol 15, Iss 4, p 415 (2022)
New aspects concerning the photodegradation (PD) of ampicillin are reported by photoluminescence (PL), Raman scattering and FTIR spectroscopy. The exposure of ampicillin in the absence (AM) and in the presence of the excipient (AMP) to UV light leads
Externí odkaz:
https://doaj.org/article/f62ee16ed916417aadf3f552c0b95d4e
Autor:
Mihaela Baibarac, Adelina Matea, Monica Daescu, Ionel Mercioniu, Sophie Quillard, Jean-Yves Mevellec, Serge Lefrant
Publikováno v:
Scientific Reports, Vol 8, Iss 1, Pp 1-13 (2018)
Abstract The influence of single-walled carbon nanotubes enriched in semiconductor (S-SWNTs) and metallic (M-SWNTs) tubes on the photoluminescence (PL) of polyaniline (PANI), electrosynthesized in the presence of the H2SO4 and HCl solutions, is repor
Externí odkaz:
https://doaj.org/article/40cdae9a60de4a79adcde7b8043565e2
Autor:
Ion Smaranda, Andreea Nila, Paul Ganea, Monica Daescu, Irina Zgura, Romeo C. Ciobanu, Alexandru Trandabat, Mihaela Baibarac
Publikováno v:
Polymers, Vol 13, Iss 16, p 2773 (2021)
This paper prepared composites under the free membranes form that are based on thermoplastic polymers of the type of polyurethane (TPU) and polyolefin (TPO), which are blended in the weight ratio of 2:1, and ceramic nanoparticles (CNs) such as BaSrTi
Externí odkaz:
https://doaj.org/article/b624ffc3176e4b57bddc13607bbadd97
Publikováno v:
International Journal of Molecular Sciences, Vol 22, Iss 15, p 8260 (2021)
In this work, synthesis and optical properties of a new composite based on poly(o-phenylenediamine) (POPD) fiber like structures, poly(vinylidene fluoride) (PVDF) spheres and double-walled carbon nanotubes (DWNTs) are reported. As increasing the PVDF
Externí odkaz:
https://doaj.org/article/625a168d3f6149a396714550b7bb3523
Publikováno v:
International Journal of Molecular Sciences, Vol 22, Iss 8, p 4046 (2021)
Photodegradation of the aqueous solutions of acetylsalicylic acid, in the absence (ASA) and the presence of excipients (ASE), is demonstrated by the photoluminescence (PL). A shift of the PL bands from 342 and 338 nm to 358 and 361–397 nm for ASA a
Externí odkaz:
https://doaj.org/article/a1659c081cd34dd9a225787c901e6846
Publikováno v:
Molecules, Vol 26, Iss 2, p 294 (2021)
In this work, the effect of the single-walled carbon nanotubes (SWNTs) as the mixtures of metallic and semiconducting tubes (M + S-SWNTs) as well as highly separated semiconducting (S-SWNTs) and metallic (M-SWNTs) tubes on the photoluminescence (PL)
Externí odkaz:
https://doaj.org/article/d4e69e9c65904fd6b5c5c8c2e89f36b1
Autor:
N’ghaya Toulbe, Malvina S. Stroe, Monica Daescu, Radu Cercel, Alin Mogos, Daniela Dragoman, Marcela Socol, Ionel Mercioniu, Mihaela Baibarac
Publikováno v:
Nanomaterials, Vol 10, Iss 11, p 2238 (2020)
The influence of Ag and Au nanoparticles and reduced graphene oxide (RGO) sheets on the photodegradation of α-lipoic acid (ALA) was determined by UV-VIS spectroscopy. The ALA photodegradation was explained by considering the affinity of thiol groups
Externí odkaz:
https://doaj.org/article/be6559f329d54e788db02b2341e2572d