Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Ivalina Trendafilova"'
Autor:
Ivalina Trendafilova, Margarita Popova
Publikováno v:
Pharmaceutics, Vol 16, Iss 8, p 1004 (2024)
For centuries, humans have relied on natural products to prevent and treat numerous health issues. However, biologically active compounds from natural sources, such as polyphenols, face considerable challenges, due to their low solubility, rapid meta
Externí odkaz:
https://doaj.org/article/c88065e32c0f4e40b8d20c48d198bbe1
Autor:
Ivalina Trendafilova, Manuel Ojeda, John M. Andresen, Alenka Ristić, Momtchil Dimitrov, Nataša Novak Tušar, Genoveva Atanasova, Margarita Popova
Publikováno v:
Molecules, Vol 28, Iss 1, p 204 (2022)
Transition metals as catalysts for total VOC oxidation at low temperatures (150–280 °C) are a big challenge nowadays. Therefore, iron-modified SBA-15, AlSBA-15, and ZrSBA-15 materials with 0.5 to 5.0 wt.% Fe loading were prepared and tested for to
Externí odkaz:
https://doaj.org/article/41c29eb0267c49b78267c5ae91958604
Autor:
Ivalina Trendafilova, Ralitsa Chimshirova, Denitsa Momekova, Hristo Petkov, Neli Koseva, Penka Petrova, Margarita Popova
Publikováno v:
Nanomaterials, Vol 12, Iss 17, p 3075 (2022)
Biologically active substances of natural origin offer a promising alternative in skin disease treatment in comparison to synthetic medications. The limiting factors for the efficient application of natural compounds, such as low water solubility and
Externí odkaz:
https://doaj.org/article/61d4ec010f1e4e55a8aa763c3fc86465
Autor:
Margarita Popova, Ivalina Trendafilova, Manuela Oykova, Yavor Mitrev, Pavleta Shestakova, Magdolna R. Mihályi, Ágnes Szegedi
Publikováno v:
Molecules, Vol 27, Iss 17, p 5383 (2022)
Monometallic (Cu, Ni) and bimetallic (Cu-Ni) catalysts supported on KIT-6 based mesoporous silica/zeolite composites were prepared using the wet impregnation method. The catalysts were characterized using X-ray powder diffraction, N2 physisorption, S
Externí odkaz:
https://doaj.org/article/1c4bb03043514175a51a5dfbcf97c088
Autor:
Ivalina Trendafilova, Andraž Šuligoj, Alenka Ristić, Nigel Van de Velde, Goran Dražić, Mojca Opresnik, Nataša Zabukovec Logar, Albin Pintar, Nataša Novak Tušar
Publikováno v:
Nanomaterials, Vol 10, Iss 12, p 2419 (2020)
We present here important new findings on the direct synthesis of bimetal Cu-Mn containing porous silica catalyst and the effects of structure-directing agent removal from the prepared nanomaterial on the evolution of surface catalytic sites. The ext
Externí odkaz:
https://doaj.org/article/bd2e2f6ff1894dbba91cf56b08b19284
Autor:
Margarita Popova, Neli Koseva, Ivalina Trendafilova, Hristina Lazarova, Violeta Mitova, Judith Mihály, Denitsa Momekova, Georgi Momekov, Iskra Z. Koleva, Hristiyan A. Aleksandrov, Georgi N. Vayssilov, Ágnes Szegedi
Publikováno v:
Molecules, Vol 25, Iss 21, p 5129 (2020)
Magnetic iron oxide containing MCM-41 silica (MM) with ~300 nm particle size was developed. The MM material before or after template removal was modified with NH2- or COOH-groups and then grafted with PEG chains. The anticancer drug tamoxifen was loa
Externí odkaz:
https://doaj.org/article/2a342b8c48bb4be999e1e5c724049d5d
Publikováno v:
Proceedings of the Bulgarian Academy of Sciences. 75:1437-1446
Mesoporous silica nanoparticles with embedded magnetic particles and sizes around 80 nm were prepared. Curcumin loading in mesoporous silica was realized by a post-synthesis impregnation procedure. The loaded particles were additionally modified by s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6468d00e4f9179e8be81ae1c637d3c0d
https://doi.org/10.7546/crabs.2022.10.05
https://doi.org/10.7546/crabs.2022.10.05
Autor:
Silviya Boycheva, Simona Miteva, Ivalina Trendafilova, Denitza Zgureva, Miroslava Václavíková, Margarita Popova
Publikováno v:
Global NEST International Conference on Environmental Science & Technology.
The application of zeolites in wastewater treatment is studied long ago but still many unexploited opportunities exist. Recent investigations on natural and synthetic zeolites in water decontamination are focused on the improvement of their adsorptio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3580cf4d8d19dfa28913dd228d271a93
https://doi.org/10.30955/gnc2019.00560
https://doi.org/10.30955/gnc2019.00560
Autor:
Petko St. Petkov, Denitsa Momekova, Rositsa Mihaylova, Georgi N. Vayssilov, Violeta Mitova, Hristina Lazarova, Ágnes Szegedi, Ivalina Trendafilova, Hristiyan A. Aleksandrov, Margarita Popova, Neli Koseva, Georgi Momekov, Spiro Konstantinov, Judith Mihályi, Pavletta Shestakova
Publikováno v:
European Journal of Pharmaceutics and Biopharmaceutics. 142:460-472
ZSM-5/KIT-6 and ZSM-5/SBA-15 nanoparticles were synthesized and further modified by a post-synthesis method with (CH2)3SO3H and (CH2)3NHCO(CH2)2COOH groups to optimize their drug loading and release kinetic profiles. The verapamil cargo drug was load
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::69dfe306feae1b5d2f6895eb377214d1
https://doi.org/10.1016/j.ejpb.2019.07.021
https://doi.org/10.1016/j.ejpb.2019.07.021
Autor:
Pavletta Shestakova, Ivalina Trendafilova, Neli Koseva, Ivelina Tsacheva, Violeta Mitova, Denitsa Momekova, Petko St. Petkov, Margarita Popova, Judith Mihayi, Spiro Konstantinov, Iskra Z. Koleva, Hristiyan A. Aleksandrov, Mariya Kyulavska, Georgi N. Vayssilov, Ágnes Szegedi
Publikováno v:
Journal of Drug Delivery Science and Technology. 49:700-712
The synthesis of mesoporous KIL-2 and KIT-6 nanoparticles (40 and 60 nm, respectively) was performed. Post synthesis procedure was applied for the modification of the initial mesoporous silicas with amino groups. Incipient wetness impregnation or sol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::088e6e1016e596cba5ffa5fc55a9dd4e
https://doi.org/10.1016/j.jddst.2018.12.016
https://doi.org/10.1016/j.jddst.2018.12.016