Results 41 to 50 of about 35,853 (285)
Nanosized Ni/SBA-15 Catalysts for CO2 Reforming of CH4
Applied Sciences, 2019 Ni, Co, and Co−Ni bimetallic catalysts supported over SBA-15 and over SBA-15 doped with Zn or Ce oxides were prepared and tested in a methane dry reforming reaction. The loading of the metals in the catalyst was 5 wt % for either mono or bimetallic
Ahmed A. Ibrahim +8 more
doaj +1 more source
Molecules, 2020 Raman spectroscopy was used for the quantitative determination of Mo and W in Mo- and W-supported mesoporous silica (Mo/SBA-15 and W/SBA-15, respectively) and Mo-supported beta zeolite (Mo-BEA).
Romana Velvarská +3 more
doaj +1 more source
Preparation, Characterization and X-ray Crystal Structures of New Axially Functionalized Phthalocyanines and Phthalocyanine Modified SBA-15 Materials [PDF]
, 2006 We investigated the typical metathetical reaction patterns of PcTiO with arylisocyanates aiming at the synthesis of its isoelectronic compounds (PcTiX; X = S, Se, NR, etc).
Darwish, Wael Mahmoud Ahmed +1 more
core +1 more source
Vapour Phase Hydrogenation of Phenol over Rhodium on SBA-15 and SBA-16
Molecules, 2014 In the present work, mesoporous SBA-15 and SBA-16 were synthesised using classical methods, and their physicochemical properties were investigated by X-ray diffraction (XRD), FTIR, TEM and N2 adsorption–desorption.
Liliana Giraldo +2 more
doaj +1 more source
Synthesis of Au-Cu/SBA(Ti) catalysts for photocatalytic applications [PDF]
, 2018 In this work, it has been synthesized several Au and Au-Cu alloy photocatalysts supported on two different mesoporous supports: a non-commercial SBA-15 and a post-synthesis TiO2 modified SBA-15 (TiSBA-15), with which a high dispersion of TiO2 species ...
Barroso Martín, Isabel
core
Vanadium dispersion and catalytic activity of Pd/VOx/SBA-15 catalysts in the Wacker oxidation of ethylene [PDF]
, 2015 Transmission electron microscopy (TEM), X-ray diffractometry (XRD), in situ diffuse reflectance ultra violet e visible (UVeVis) spectroscopy, and temperature-programmed reduction by hydrogen (H2-TPR) were used to identify the vanadia forms in vanadium ...
Barthos, Róbert +3 more
core +1 more source
Mesoporous Silica Nanoparticles in Biomedicine: Advances and Prospects
Advanced Materials, EarlyView.Mesoporous silica nanoparticles offer unique properties like high surface area, tunable pores, and functionalization. They excel in drug delivery, tissue engineering, and stimuli‐responsive therapies, enabling targeted and controlled treatments. With roles in cancer therapy and diagnostics, their clinical translation requires addressing challenges in ...
Miguel Manzano, María Vallet‐Regí
wiley +1 more source
Consequences of Medium‐Pore Zeolite Constraints for Alkene Cracking—The Case of n‐Pentene
Angewandte Chemie, EarlyView.Alkene cracking in medium‐pore zeolites is governed by a balance of enthalpic and entropic effects. Intrinsic barriers are quantified and shown to be lower than for alkanes due to stabilization of carbenium‐ion‐like transition states. Confinement and extra‐framework aluminum modulate reactivity by tuning transition‐state energetics, providing a ...
Ruixue Zhao +4 more
wiley +2 more sources
A comparative study of selected sorbents for sampling of aromatic VOCs from indoor air [PDF]
, 2010 Indoor air canbecome pollutedwith VOCs, and understanding the factors which affect adsorption of VOCs from indoor air is important for: (i) the accurate measurement of VOCs, and (ii) to apply mitigation strategies when high analyte concentrations are ...
Brown +26 more
core +1 more source
Advanced Science, EarlyView.Geometry and connectivity are complementary structures, which have demonstrated their ability to represent the brain's functional activity. This study evaluates geometric and connectome eigenmodes as biologically informed constraints for EEG source localization.
Pok Him Siu +6 more
wiley +1 more source