Search Results - "Vykoukal, Vit"
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Non-aqueous synthesis of homogeneous molybdenum silicate microspheres and their application as heterogeneous catalysts in olefin epoxidation and selective aniline oxidation
Published in Journal of industrial and engineering chemistry (Seoul, Korea) (25-03-2022)“…[Display omitted] •Novel non-aqueous synthesis of molybdenum silicate microspheres is presented.•The molybdenum silicate microspheres are formed in a one-step…”
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Comparing the acidities of aqueous, frozen, and freeze-dried phosphate buffers: Is there a “pH memory” effect?
Published in International journal of pharmaceutics (15-09-2017)“…[Display omitted] The concept of “pH memory” has been established in the literature for the correlation between the pH of a pre-lyophilization solution and the…”
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Mildly acidic aluminosilicate catalysts for stable performance in ethanol dehydration
Published in Applied catalysis. B, Environmental (15-08-2020)“…[Display omitted] •Highly porous aluminosilicates prepared by non-hydrolytic sol-gel method.•A series of 27Al MAS NMR experiments demonstrate the very high…”
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4
Nanofibers of solid-solution thorium(IV)-uranium(IV) oxides by electrospinning
Published in Journal of nuclear materials (01-08-2022)“…Thorium-uranium dioxide nanofibers were prepared in a three-step process. Green composite microfibers were electrospun from solutions composed of Th(IV) and…”
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5
Ethanol dehydrogenation to acetaldehyde with mesoporous Cu-SiO2 catalysts prepared by aerosol-assisted sol–gel
Published in Chemical engineering journal (Lausanne, Switzerland : 1996) (01-06-2023)“…•Aerosol-assisted sol–gel method leads to porous Cu-SiO2 catalysts in one step.•Catalysts feature small and stable Cu nanoparticles.•Catalysts reach relatively…”
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Study of thermal stability of CoSb3 skutterudite by Knudsen effusion mass spectrometry
Published in Calphad (01-06-2019)“…Thermoelectric materials play an important role in the field of renewable energy for their ability of thermal energy conversion into electricity…”
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Preparation of polycrystalline tungsten nanofibers by needleless electrospinning
Published in Journal of alloys and compounds (15-04-2022)“…•Polycrystalline tungsten nanofibers prepared by needleless electrospinning.•An aqueous solution of PVA and silicotungstic acid used as precursors.•Green…”
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Non-hydrolytic Sol–Gel Routes to Bifunctional Cu–Ta–SiO2 Catalysts for the Upgrading of Ethanol to Butadiene
Published in Chemistry of materials (12-09-2023)“…The one-step catalytic conversion of bio-based ethanol to 1,3-butadiene is an attractive way to produce this important C4 building block, to be exploited as a…”
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Non-hydrolytic Sol–Gel Routes to Bifunctional Cu–Ta–SiO 2 Catalysts for the Upgrading of Ethanol to Butadiene
Published in Chemistry of materials (12-09-2023)Get full text
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Vanadium metal-organic frameworks derived VOx/Carbon nano-sheets and paperclip-like VOx/nitrogen-doped carbon nanocomposites for sodium-ion battery electrodes
Published in Materials chemistry and physics (15-02-2022)“…In this work, vanadium metal-organic framework derived VOx/carbon and VOx/N-doped carbon nanocomposites are presented. The methodology introduced here is based…”
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Study of surface effects and catalytic properties of selected Ni-based bimetallic nanoparticles by Knudsen effusion mass spectrometry
Published in Calphad (01-03-2019)“…Surface effects and catalytic properties of CuNi, AgNi and AuNi bimetallic nanoparticles having diameter 10–30 nm were studied by Knudsen effusion mass…”
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Solvothermal hot injection synthesis of core-shell AgNi nanoparticles
Published in Journal of alloys and compounds (05-01-2019)“…Silver-nickel core-shell nanoparticles (NP) were prepared by solvothermal hot injection synthesis by simultaneous thermolysis/reduction of AgNO3 and Ni(acac)2…”
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Ethanol Dehydrogenation over Copper-Silica Catalysts: From Sub-Nanometer Clusters to 15 nm Large Particles
Published in ACS sustainable chemistry & engineering (31-07-2023)“…Non-oxidative ethanol dehydrogenation is a renewable source of acetaldehyde and hydrogen. The reaction is often catalyzed by supported copper catalysts with…”
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14
Shear strength of copper joints prepared by low temperature sintering of silver nanoparticles
Published in Electronic materials letters (2014)“…In this work, mechanical properties of Cu-to-Cu joint samples prepared by low temperature sintering of Ag nanoparticle paste have been investigated. The silver…”
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Morphology Control in AgCu Nanoalloy Synthesis by Molecular Cu(I) Precursors
Published in Inorganic chemistry (18-11-2019)“…As nanoparticle preparation methods employing bottom-up procedures rely on the use of molecular precursors, the chemical composition and bonding of these…”
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Multigram preparation of tungsten microfibers via needle-less electrospinning of phosphotungstic acid
Published in International journal of refractory metals & hard materials (01-04-2023)“…Metallic tungsten microfibers were prepared in a multigram yield by electrospinning from the aqueous phosphotungstic acid/polyvinyl alcohol (PVA) solution in…”
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Upconversion-Linked Immunoassay for the Diagnosis of Honeybee Disease American Foulbrood
Published in IEEE journal of selected topics in quantum electronics (01-09-2021)“…American foulbrood (AFB) caused by the bacterium Paenibacillus larvae is the most destructive disease of the honeybee brood. Therefore, rapid and sensitive…”
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Temperature stability of AgCu nanoparticles
Published in Journal of nanoparticle research : an interdisciplinary forum for nanoscale science and technology (01-12-2015)“…The colloidal solutions of the Ag–Cu nanoparticles (NPs, 10–32 nm) were prepared by solvothermal reactions. The samples of dried AgCu NPs and the resulting…”
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CO2 Hydrogenation to Methanol with Ga‐ and Zn‐Doped Mesoporous Cu/SiO2 Catalysts Prepared by the Aerosol‐Assisted Sol‐Gel Process
Published in ChemSusChem (07-12-2020)“…The preparation of copper‐based heterogeneous catalysts dedicated to the hydrogenation of CO2 to methanol typically relies on multi‐step procedures carried out…”
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Propylene Metathesis over Molybdenum Silicate Microspheres with Dispersed Active Sites
Published in ACS catalysis (06-10-2023)“…In this work, we demonstrate that amorphous and porous molybdenum silicate microspheres are highly active catalysts for heterogeneous propylene metathesis…”
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