Zobrazeno 1 - 10
of 98
pro vyhledávání: '"Daniela Karashanova"'
Autor:
Nikolay Minev, Krastyo Buchkov, Nadia Todorova, Rosen Todorov, Vladimira Videva, Maria Stefanova, Peter Rafailov, Daniela Karashanova, Hristosko Dikov, Velichka Strijkova, Christos Trapalis, Shiuan Huei Lin, Dimitre Dimitrov, Vera Marinova
Publikováno v:
ACS Omega, Vol 9, Iss 13, Pp 14874-14886 (2024)
Externí odkaz:
https://doaj.org/article/28ecbe59de0344d193f4465267d36ac9
Autor:
Margarita Popova, Violeta Mitova, Momtchil Dimitrov, Consolato Rosmini, Ivelina Tsacheva, Pavletta Shestakova, Daniela Karashanova, Irina Karadjova, Neli Koseva
Publikováno v:
Molecules, Vol 29, Iss 15, p 3540 (2024)
The high silicon content in rice plant waste, specifically rice husks, makes this waste by-product attractive for the extraction and valorization of silicon oxide, which is widely used as an inert support in catalysis, drug delivery and molecular sie
Externí odkaz:
https://doaj.org/article/6a0a6f8cdb984df0a362f69f5936e12a
Autor:
Blagovest Napoleonov, Dimitrina Petrova, Nikolay Minev, Peter Rafailov, Vladimira Videva, Daniela Karashanova, Bogdan Ranguelov, Stela Atanasova-Vladimirova, Velichka Strijkova, Deyan Dimov, Dimitre Dimitrov, Vera Marinova
Publikováno v:
Nanomaterials, Vol 14, Iss 14, p 1213 (2024)
We report a two-step growth process of MoS2 nanoflakes using a low-pressure chemical vapor deposition technique. In the first step, a MoS2 layer was synthesized on a c-plane sapphire substrate. This layer was subsequently re-evaporated at a higher te
Externí odkaz:
https://doaj.org/article/547f1becd2864e5c810fb5f7d0873ac7
Autor:
Margarita Gabrovska, Dimitrinka Nikolova, Vojkan Radonjić, Daniela Karashanova, Aleksandra Baeva, Tsvetomila Parvanova-Mancheva, Peter Tzvetkov, Evangeliya Petrova, Gabriella Zarkova, Jugoslav Krstić
Publikováno v:
International Journal of Molecular Sciences, Vol 25, Iss 14, p 7585 (2024)
Inspired by our finding that metallic Ni particles could be uniformly distributed on a reduced CeO2 surface and stabilized on Ce3+ sites, we suppose a possible improvement in the activity and selectivity of the MgNi/SiO2 vegetable oil hydrogenation c
Externí odkaz:
https://doaj.org/article/032eeccda0c042a3a1e73782773068ec
Autor:
Margarita Popova, Momtchil Dimitrov, Silviya Boycheva, Ivan Dimitrov, Filip Ublekov, Neli Koseva, Genoveva Atanasova, Daniela Karashanova, Ágnes Szegedi
Publikováno v:
Molecules, Vol 29, Iss 11, p 2648 (2024)
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Externí odkaz:
https://doaj.org/article/977e2f5d0491461b928a7303d85a49df
Publikováno v:
Crystals, Vol 14, Iss 3, p 233 (2024)
Nanocrystalline materials with the composition of (Cu0.5Ni0.5)yFe3−yO4 and a spinel structure were synthesized by the auto-combustion sol–gel method. The materials were characterized by powder X-ray diffraction, Mössbauer spectroscopy, transmiss
Externí odkaz:
https://doaj.org/article/5dd52c64055440f3990a4ab4a17de366
Autor:
Margarita Popova, Momtchil Dimitrov, Silviya Boycheva, Ivan Dimitrov, Filip Ublekov, Neli Koseva, Genoveva Atanasova, Daniela Karashanova, Ágnes Szegedi
Publikováno v:
Molecules, Vol 29, Iss 1, p 99 (2023)
Monometallic (Ni, Co, Cu) and bimetallic (Ni-Co, Ni-Cu) 10–20 wt.% metal containing catalysts supported on fly ash zeolite were prepared by post-synthesis impregnation method. The catalysts were characterized by X-ray powder diffraction, N2 physiso
Externí odkaz:
https://doaj.org/article/d0d05b512aa24549aa7aeddf2dae4781
Autor:
Nadezhda Ivanova, Neli Ermenlieva, Lora Simeonova, Iliyan Kolev, Iliya Slavov, Daniela Karashanova, Velichka Andonova
Publikováno v:
Pharmaceutics, Vol 15, Iss 9, p 2298 (2023)
This study explored the potential synergism within chlorhexidine–silver nanoparticle conjugates against Influenza type A, Staphylococcus aureus, Escherichia coli, and Candida albicans. Silver nanoparticles (SN) were obtained by the reduction of sil
Externí odkaz:
https://doaj.org/article/5a582aa527bd4e8b9df5988349155b87
Autor:
Gloria Issa, Martin Kormunda, Oyundari Tumurbaatar, Ágnes Szegedi, Daniela Kovacheva, Daniela Karashanova, Margarita Popova
Publikováno v:
Nanomaterials, Vol 13, Iss 17, p 2428 (2023)
High surface-area, mesoporous CeO2, ZrO2, and Ce-Zr composite nanoparticles were developed using the hydrothermal template-assisted synthesis method. Samples were characterized using XRD, N2 physisorption, TEM, XPS, and FT-IR spectroscopic methods. T
Externí odkaz:
https://doaj.org/article/18962ec9b4e640f38f6b8fe83c55278c
Autor:
Selin Kyuchyuk, Dilyana Paneva, Nevena Manolova, Iliya Rashkov, Daniela Karashanova, Mladen Naydenov, Nadya Markova
Publikováno v:
Materials, Vol 16, Iss 13, p 4882 (2023)
Fibrous materials composed of core–sheath fibers from poly(ethylene oxide) (PEO), beeswax (BW) and 5-nitro-8-hydroxyquinoline (NQ) were prepared via the self-organization of PEO and BW during the single-spinneret electrospinning of a homogeneous bl
Externí odkaz:
https://doaj.org/article/e2945017ffa543d5abc8b397b5d6a413