Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Filip Ublekov"'
Autor:
Borislava Mladenova, Galin Borisov, Mariela Dimitrova, Desislava Budurova, Maya Staneva, Filip Ublekov, Antonia Stoyanova
Publikováno v:
Gels, Vol 10, Iss 7, p 452 (2024)
Solid-state supercapacitors with gel electrolytes have emerged as a promising field for various energy storage applications, including electronic devices, electric vehicles, and mobile phones. In this study, nanocomposite gel membranes were fabricate
Externí odkaz:
https://doaj.org/article/4d82f22c01f94b3486f0b9784bf45d13
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
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:
Hristo Penchev, Ahmed E. Abdelhamid, Eman A. Ali, Dessislava Budurova, Georgy Grancharov, Filip Ublekov, Neli Koseva, Katerina Zaharieva, Ahmed A. El-Sayed, Ahmed M. Khalil
Publikováno v:
Membranes, Vol 13, Iss 6, p 582 (2023)
The use of biodegradable polyesters derived from green sources and their combination with natural abundantly layered aluminosilicate clay, e.g., natural montmorillonite, meets the requirements for the development of new sustainable, disposable, and b
Externí odkaz:
https://doaj.org/article/c83ef65ecefe4d5ab04d95dd65091312
Autor:
Christo Novakov, Radostina Kalinova, Svetlana Veleva, Filip Ublekov, Ivaylo Dimitrov, Antonia Stoyanova
Publikováno v:
Gels, Vol 9, Iss 4, p 338 (2023)
Mechanically and thermally stable novel gel polymer electrolytes (GPEs) have been prepared and applied in supercapacitor cells. Quasi-solid and flexible films were prepared by solution casting technique and formulated by immobilization of ionic liqui
Externí odkaz:
https://doaj.org/article/19087b6148e94def9e4950189dc5f83c
Autor:
Katya Kamenova, Lyubomira Radeva, Krassimira Yoncheva, Filip Ublekov, Martin A. Ravutsov, Maya K. Marinova, Svilen P. Simeonov, Aleksander Forys, Barbara Trzebicka, Petar D. Petrov
Publikováno v:
Polymers, Vol 14, Iss 17, p 3694 (2022)
Nanogels (NGs) have attracted great attention because of their outstanding biocompatibility, biodegradability, very low toxicity, flexibility, and softness. NGs are characterized with a low and nonspecific interaction with blood proteins, meaning tha
Externí odkaz:
https://doaj.org/article/b894165ae3ee4a4c86cff35a702b8f9d
Publikováno v:
Minerals, Vol 10, Iss 11, p 938 (2020)
Partial and almost complete barium exchange on clinoptilolite is performed and structurally studied for different durations (2 h, 24 h, 72 h, 168 h, 12 d, 22 d) at room temperature and 90 °C of the ion exchange process. Continuing ion exchange up to
Externí odkaz:
https://doaj.org/article/2e209447caae4b708fca3ce8b96cae5b
Publikováno v:
Polymers, Vol 12, Iss 5, p 1172 (2020)
In this contribution, we report the development of original nanocomposite cryogels for sustained topical delivery of hydrophobic natural active substances such as cannabidiol (CBD). The cryogels were fabricated by a method involving cryogenic treatme
Externí odkaz:
https://doaj.org/article/785622e2668a46ef82480c19aadb9142
Autor:
Hristo Penchev, Dessislava Budurova, Filip Ublekov, Katerina Zaharieva, Eman A. Ali, Ahmed E. Abdelhamid
Publikováno v:
SSRN Electronic Journal.
Autor:
Y. Tzvetanova, Ognyan Petrov, L. Dimowa, Filip Ublekov, Iskra Piroeva, N. Lihareva, A. Nikolov
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 323:1093-1102
Clinoptilolite from Bulgaria was tested for uptake towards Cs+ and Sr2+ from bi-cationic solutions using batch technique. Contact time and cation concentrations were investigated, revealing minor difference in Cs+ sorption from single and mixed solut