Search Results - "Ublekov, Filip"

Polyaniline-encapsulated NiFe layered double hydroxide electrocatalyst for robust water oxidation.

Authors: Zhang, Fengming Ublekov, Filip Li, Yue et al.

Source: Chemical Communications. 2/26/2026, Vol. 62 Issue 16, p4764-4768. 5p.

Natural Zeolites-Supported Green-Synthesized CeO 2 @Polybenzimidazole Hybrid Materials for Dye Degradation †.

Authors: Zaharieva, Katerina Dimova, Silvia Ublekov, Filip et al.

Source: Engineering Proceedings; 2025, Vol. 117 Issue 1, p24, 8p

Broad-Spectrum Virucidal Activity of Polymer Cryogel-Loaded Formic Acid Against a Panel of Naked and Enveloped Viruses.

Authors: Budurova, Desislava Petrov, Petar D. Ublekov, Filip et al.

Source: International Journal of Molecular Sciences. Jun2026, Vol. 27 Issue 11, p5145. 12p.

Investigation of the Mechanical Properties of Thermosetting Polymers Reinforced with Carbon Particles †.

Authors: Dochev, Boyan Dimova, Desislava Zagorski, Mihail et al.

Source: Engineering Proceedings; 2025, Vol. 100 Issue 1, p21, 8p

Nanocomposite Perfluorosulfonic Acid/Montmorillonite-Na + Polymer Membrane as Gel Electrolyte in Hybrid Supercapacitors.

Authors: Mladenova, Borislava Borisov, Galin Dimitrova, Mariela et al.

Source: Gels (2310-2861); Jul2024, Vol. 10 Issue 7, p452, 12p

Flexible Polymer-Ionic Liquid Films for Supercapacitor Applications.

Authors: Novakov, Christo Kalinova, Radostina Veleva, Svetlana et al.

Source: Gels (2310-2861); Apr2023, Vol. 9 Issue 4, p338, 15p

Novel electrospun polybenzimidazole fibers and yarns from ethanol/potassium hydroxide solution.

Authors: Penchev, Hristo Ublekov, Filip Budurova, Dessislava et al.

Source: Materials Letters. Jan2017, Vol. 187, p89-93. 5p.

Subjects: Electrospinning, Benzimidazoles, Ethanol, Potassium hydroxide, Solution (Chemistry), Chemical sample preparation

Composite anion conductive membranes based on para-polybenzimidazole and montmorillonite.

Authors: Ublekov, Filip Radev, Ivan Sinigersky, Vesselin et al.

Source: Materials Letters. May2018, Vol. 219, p131-133. 3p.

Subjects: Benzimidazoles, Anions, Montmorillonite, Potassium hydroxide, Doping agents (Chemistry), Mechanical properties of metals

Polybenzimidazole-graft-polyvinylphosphonic acid-proton conducting fuel cell membranes.

Authors: Sinigersky, Vesselin Budurova, Dessislava Penchev, Hristo et al.

Source: Journal of Applied Polymer Science. Aug2013, Vol. 129 Issue 3, p1223-1231. 9p.

Protonated montmorillonite as a highly effective proton-conductivity enhancer in p-PBI membranes for PEM fuel cells.

Authors: Ublekov, Filip Penchev, Hristo Georgiev, Vassil et al.

Source: Materials Letters. Nov2014, Vol. 135, p5-7. 3p.

Subjects: Proton exchange membrane fuel cells, Montmorillonite, Proton transfer reactions, Proton conductivity, Artificial membranes, Phosphoric acid, Doped semiconductors

Supercapacitor Cell Performance with Bacterial Nanocellulose and Bacterial Nanocellulose/Polybenzimidazole Impregnated Membranes as Separator.

Authors: Penchev, Hristo Ivanova, Galia Hubenov, Venelin et al.

Source: Membranes. Jan2025, Vol. 15 Issue 1, p12. 18p.

Ni-Cu and Ni-Co-Modified Fly Ash Zeolite Catalysts for Hydrodeoxygenation of Levulinic Acid to γ-Valerolactone.

Authors: Popova, Margarita Dimitrov, Momtchil Boycheva, Silviya et al.

Source: Molecules. Jan2024, Vol. 29 Issue 1, p99. 16p.

Novel Electrospun Composite Membranes Based on Polyhydroxybutyrate and Poly(vinyl formate) Loaded with Protonated Montmorillonite for Organic Dye Removal: Kinetic and Isotherm Studies.

Authors: Penchev, Hristo Abdelhamid, Ahmed E. Ali, Eman A. et al.

Source: Membranes. Jun2023, Vol. 13 Issue 6, p582. 21p.

Functional Nanogel from Natural Substances for Delivery of Doxorubicin †.

Authors: Kamenova, Katya Radeva, Lyubomira Yoncheva, Krassimira et al.

Source: Polymers (20734360). Sep2022, Vol. 14 Issue 17, p3694. 13p.

Investigation of relaxation processes and phase transition in the polyethylene glycol 400 using IR spectra in a wide temperature range.

Authors: Sobchuk, A. O. Andrusenko, D. A. Shevchenko, V. B. et al.

Source: Low Temperature Physics. Feb2025, Vol. 51 Issue 2, p231-238. 8p.

Correction: Popova et al. Ni-Cu and Ni-Co-Modified Fly Ash Zeolite Catalysts for Hydrodeoxygenation of Levulinic Acid to γ-Valerolactone. Molecules 2024, 29 , 99.

Authors: Popova, Margarita Dimitrov, Momtchil Boycheva, Silviya et al.

Source: Molecules. Jun2024, Vol. 29 Issue 11, p2648. 2p.

Novel meta- and AB-Polybenzimidazole/Zinc oxide polymer hybrid nanomaterials for photocatalytic degradation of organic dyes.

Authors: Penchev, Hristo Zaharieva, Katerina Milenova, Katya et al.

Source: Materials Letters. Nov2018, Vol. 230, p187-190. 4p.

Powder XRD Structural Study of Ba 2+ Modified Clinoptilolite at Different Stages of the Ion Exchange Process Conducted at Two Temperature Regimes—Room Temperature and 90 °C.

Authors: Dimowa, Louiza Tzvetanova, Yana Petrov, Ognyan et al.

Source: Minerals (2075-163X). Nov2020, Vol. 10 Issue 11, p938. 1p.

Nanocomposite Cryogel Carriers from 2-Hydroxyethyl Cellulose Network and Cannabidiol-Loaded Polymeric Micelles for Sustained Topical Delivery.

Authors: Momekova, Denitsa Ivanov, Ervin Konstantinov, Spiro et al.

Source: Polymers (20734360). May2020, Vol. 12 Issue 5, p1172-1172. 1p. 3 Diagrams, 2 Charts, 4 Graphs.

Alkaline water electrolysis facilitated via non-precious monometallic catalysts combined with highly KOH doped polybenzimidazole membrane.

Authors: Borisov, Galin Penchev, Hristo Maksimova-Dimitrova, Katerina et al.

Source: Materials Letters. Apr2019, Vol. 240, p144-146. 3p.