Search Results - "Ziolek, M"

Photo-assisted activation of H2O2 over Nb2O5 – The role of active oxygen species on niobia surface in photocatalytic discoloration of Rhodamine B by Wolski, L., Walkowiak, A., Ziolek, M.

“…[Display omitted] •H2O2 enhances the efficiency of Rhodamine B photooxidation over Nb2O5.•1O2 is the key species responsible for improved RhB discoloration in…”
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On the Structure of Solid Lipid Nanoparticles by Pink, Demi L., Loruthai, Orathai, Ziolek, Robert M., Wasutrasawat, Prawarisa, Terry, Ann E., Lawrence, M. Jayne, Lorenz, Christian D.

“…Solid lipid nanoparticles (SLNs) have a crystalline lipid core which is stabilized by interfacial surfactants. SLNs are considered favorable candidates for…”
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Insight into methanol photooxidation over mono- (Au, Cu) and bimetallic (AuCu) catalysts supported on niobium pentoxide — An operando-IR study by Wolski, L., El-Roz, M., Daturi, M., Nowaczyk, G., Ziolek, M.

“…[Display omitted] •Presence of dopants reduces niobia activity in methanol oxidation under UV light.•Modification of niobia with Au and Cu promotes selective…”
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Time‐Resolved Fluorescence Anisotropy of a Molecular Rotor Resolves Microscopic Viscosity Parameters in Complex Environments by Steinmark, I. Emilie, Chung, Pei‐Hua, Ziolek, Robert M., Cornell, Bethan, Smith, Paul, Levitt, James A., Tregidgo, Carolyn, Molteni, Carla, Yahioglu, Gokhan, Lorenz, Christian D., Suhling, Klaus

“…Understanding viscosity in complex environments remains a largely unanswered question despite its importance in determining reaction rates in vivo. Here,…”
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The effect of the preparation procedure on the morphology, texture and photocatalytic properties of ZnO by Wolski, L., Whitten, J.E., Sobczak, I., Ziolek, M.

“…[Display omitted] •Influence of synthesis procedure on properties and activity of ZnO was determined.•Relationship between ZnO properties and photocatalytic…”
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Catalytic upgrading of woody biomass derived pyrolysis vapours over iron modified zeolites in a dual-fluidized bed reactor by Aho, A., Kumar, N., Lashkul, A.V., Eränen, K., Ziolek, M., Decyk, P., Salmi, T., Holmbom, B., Hupa, M., Murzin, D. Yu

“…In this paper, the influence of the proton forms of beta, Y and ferrierite zeolites and their iron modified counterparts during upgrading of pine wood…”
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Catalytic performance of niobium species in crystalline and amorphous solids—Gas and liquid phase oxidation by Ziolek, M., Decyk, P., Sobczak, I., Trejda, M., Florek, J., Klimas, H. Golinska. W., Wojtaszek, A.

“…Nb-containing molecular sieves and Nb 2O 5 (crystalline and amorphous) were used as catalysts in gas phase oxidation of methanol with oxygen, liquid phase…”
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Niobium rich SBA-15 materials – preparation, characterisation and catalytic activity by Trejda, M., Tuel, A., Kujawa, J., Kilos, B., Ziolek, M.

“…Hexagonally ordered mesoporous niobiosilicates of SBA-15 type were synthesised by a new synthesis route in which the use of hydrochloric acid was avoided. This…”
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Catalytic properties of alkali metal-modified oxide supports for the Knoevenagel condensation: Kinetic aspects by Calvino-Casilda, V., Martín-Aranda, R.M., López-Peinado, A.J., Sobczak, I., Ziolek, M.

“…The characterization of the alkali-modified metal oxides surface basicity by condensation of benzaldehyde with some methylenic compounds (ethyl cyanoacetate,…”
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Nature of vanadium species in V substituted zeolites: A combined experimental and theoretical study by Tielens, F., Trejda, M., Ziolek, M., Dzwigaj, S.

“…The nature of vanadium species in V substituted zeolites is determined by combined experimental (XRD, FTIR, DR UV–vis) and theoretical (periodic DFT…”
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The Formation of Gold Clusters Supported on Mesoporous Silica Material Surfaces: A Molecular Picture by Wojtaszek, A, Sobczak, I, Ziolek, M, Tielens, F

“…The interaction of gold particles with a silica surface is investigated using a combination of theoretical and experimental techniques. It is found that the…”
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Gold Grafted to Mesoporous Silica Surfaces, a Molecular Picture by Wojtaszek, A, Sobczak, I, Ziolek, M, Tielens, F

“…The adsorption of HAuCl4, the typical precursor for gold grafting on metal oxide surfaces, is investigated on amorphous silica support. The adsorption of the…”
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Nickel containing MCM-41 and AlMCM-41 mesoporous molecular sieves: Characteristics and activity in the hydrogenation of benzene by Wojcieszak, R, Monteverdi, S, Mercy, M, Nowak, I, Ziolek, M, Bettahar, M.M

“…Pure siliceous and aluminosilicate mesoporous molecular sieves of MCM-41 type have been used as matrices for nickel incorporation (1.7–5%, w/w) via wet…”
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New Nb and Ta–FAU zeolites—Direct synthesis, characterisation and surface properties by Trejda, M., Wojtaszek, A., Floch, A., Wojcieszak, R., Gaigneaux, E.M., Ziolek, M.

“…Niobium and tantalum containing Y zeolites were prepared in a one-pot synthesis and via solid-state ion exchange. The first method led to the incorporation of…”
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Bifunctional mesoporous MCF materials as catalysts in the Friedländer condensation by Smuszkiewicz, A., Pérez-Mayoral, E., Soriano, E., Sobczak, I., Ziolek, M., Martín-Aranda, R.M., López-Peinado, A.J.

“…•Bifunctional MCF materials are efficient catalysts for the Friedländer reaction.•The presence of metallic centers and amine groups over MCF supports enhances…”
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The role of chlorine in the generation of catalytic active species located in Au-containing MCM-41 materials by Sobczak, I., Kusior, A., Grams, J., Ziolek, M.

“…Gold nanoparticles were generated inside silicate MCM-41 mesoporous materials by two methods, co-precipitation in the presence of a cationic surfactant (COP)…”
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Amino-grafted mesoporous materials based on MCF structure involved in the quinoline synthesis. Mechanistic insights by Smuszkiewicz, A., López-Sanz, J., Pérez-Mayoral, E., Soriano, E., Sobczak, I., Ziolek, M., Martín-Aranda, R.M., López-Peinado, A.J.

“…MCF materials were found to be efficient catalysts for the synthesis of quinolines from 2-amino-5-chlorobenzaldehyde (7) and ethyl acetoacetate (2). Based on…”
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Constraints on Knot Insertion, Not Internal Jamming, Control Polycatenane Translocation Dynamics through Crystalline Pores by Wang, Zifeng, Ziolek, Robert M., Tsige, Mesfin

“…The translocation of polymers through pores and channels is an archetypal process in biology and is widely studied and exploited for applications in bio- and…”
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The radical species and impurities present in mesoporous silicas as oxidation active centres by Trejda, M., Ziolek, M., Decyk, P., Duczmal, D.

“…Three kinds of mesoporous silicas with hexagonal arrangement of mesopores, i.e. MCM-41, SBA-3 and SBA-15, were synthesised and characterised by XRD, N 2…”
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Artifacts in femtosecond transient absorption spectroscopy by LORENC, M, ZIOLEK, M, NASKRECKI, R, KAROLCZAK, J, KUBICKI, J, MACIEJEWSKI, A

“…The paper discusses three different artifacts related to two-photon absorption (TPA), stimulated Raman amplification (SRA) and cross-phase modulation (XPM),…”
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