Search Results - "Kortunov, P."

The Role of Mesopores in Intracrystalline Transport in USY Zeolite:  PFG NMR Diffusion Study on Various Length Scales by Kortunov, P, Vasenkov, S, Kärger, J, Valiullin, R, Gottschalk, P, Fé Elía, M, Perez, M, Stöcker, M, Drescher, B, McElhiney, G, Berger, C, Gläser, R, Weitkamp, J

“…PFG NMR has been applied to study intracrystalline diffusion in USY zeolite as well as in the parent ammonium-ion exchanged zeolite Y used to produce the USY…”
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Exchange dynamics at the interface of nanoporous materials with their surroundings by Heinke, L, Kortunov, P, Tzoulaki, D, Kärger, J

“…The evolution of transient concentration profiles in nanoporous materials is shown to provide direct information about the rate of molecular exchange at the…”
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Diffusion in Fluid Catalytic Cracking Catalysts on Various Displacement Scales and Its Role in Catalytic Performance by Kortunov, P, Vasenkov, S, Kärger, J, Fé Elía, M, Perez, M, Stöcker, M, Papadopoulos, G. K, Theodorou, D, Drescher, B, McElhiney, G, Bernauer, B, Krystl, V, Kočiřík, M, Zikánová, A, Jirglová, H, Berger, C, Gläser, R, Weitkamp, J, Hansen, E. W

“…Diffusivities of n-octane in particles of industrial fluid catalytic cracking (FCC) catalysts and in zeolite USY, which is the main zeolitic component of the…”
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Mathematical Problems in Creating Large Astronomical Catalogs by Prokhorov, M. E., Zakharov, A. I., Kroussanova, N. L., Tuchin, M. S., Kortunov, P. V.

“…The next stage after performing observations and their primary reduction is to transform the set of observations into a catalog. To this end, objects that are…”
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Analysis of thermal effects in infrared and interference microscopy: n-Butane-5A and methanol–ferrierite systems by Heinke, L., Chmelik, C., Kortunov, P., Shah, D.B., Brandani, S., Ruthven, D.M., Kärger, J.

“…Recently, infrared and interference microscopy methods have been increasingly applied to measure internal concentration gradients and hence the uptake of…”
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Three-dimensional diffusion in nanoporous host-guest materials monitored by interference microscopy by Heinke, L, Kortunov, P, Tzoulaki, D, Castro, M, Wright, P. A, Kärger, J

“…For the first time, by the application of interference microscopy, direct monitoring of three-dimensional guest diffusion in nanoporous host-guest systems has…”
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Application of Interference Microscopy and IR Microscopy for Characterizing and Investigating Mass Transport in Nanoporous Materials by Heinke, L., Chmelik, C., Kortunov, P., Ruthven, D. M., Shah, D. B., Vasenkov, S., Kärger, J.

“…The application of interference microscopy has provided an important breakthrough in the study of the transport of guest molecules in nanoporous materials,…”
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Sorption Kinetics and Intracrystalline Diffusion of Methanol in Ferrierite: An Example of Disguised Kinetics by Kortunov, P., Chmelik, C., Kärger, J., Rakoczy, R. A., Ruthven, D. M., Traa, Y., Vasenkov, S., Weitkamp, J.

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Deposition of vanadium silicalite-1 nanoparticles on SBA-15 materials. Structural and transport characteristics of SBA-VS-15 by Meynen, V., Cool, P., Vansant, E.F., Kortunov, P., Grinberg, F., Kärger, J., Mertens, M., Lebedev, O.I., Van Tendeloo, G.

“…Properties of SBA-15 materials modified by the impregnation of vanadium silicalite-1 zeolite-like nanoparticles (SBA-VS) have been studied. The influence of…”
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Transport properties of guest molecules in mesoporous SBA-15 materials studied with the help of pulsed field gradient NMR by Kortunov, P, Grinberg, F, Kärger, J, Meynen, V, Vansant, E

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NMR magnetization transfer as a tool for characterization of nanoporous materials by Valiullin, R., Furó, I., Skirda, V., Kortunov, P.

“…The application of nuclear magnetic resonance magnetization transfer experiments to probe the surface-to-volume ratio and pore morphology of porous materials…”
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Pulsed-field gradient nuclear magnetic resonance study of transport properties of fluid catalytic cracking catalysts by Kortunov, P., Vasenkov, S., Kärger, J., Fé Elía, M., Perez, M., Stöcker, M., Papadopoulos, G.K., Theodorou, D., Drescher, B., McElhiney, G., Bernauer, B., Krystl, V., Kocirik, M., Zikanova, A., Jirglova, H., Berger, C., Gläser, R., Weitkamp, J., Hansen, E.W.

“…Pulsed-field gradient nuclear magnetic resonance (PFG NMR) has been applied to study molecular diffusion in industrial fluid catalytic cracking (FCC) catalysts…”
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Pseudo-Restricted Self-Diffusion of Molecules in Biporous Structures: Study by Pulsed Field Gradient NMR by Kortunov, P. V., Skirda, V. D.

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The options of interference microscopy to explore the significance of intracrystalline diffusion and surface permeation for overall mass transfer on nanoporous materials by Heinke, L., Kortunov, P., Tzoulaki, D., Kärger, J.

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Influence of Defects on the External Crystal Surface on Molecular Uptake into MFI-Type Zeolites by Kortunov, Pavel, Vasenkov, Sergey, Chmelik, Christian, Kärger, Jörg, Ruthven, Douglas M, Wloch, Jerzy

“…The interference microscopy technique, which was recently introduced in our laboratory, is applied to study transient intracrystalline concentration profiles…”
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Publisher’s Note: Exchange Dynamics at the Interface of Nanoporous Materials with their Surroundings [Phys. Rev. Lett. 99 , 228301 (2007)] by Heinke, L., Kortunov, P., Tzoulaki, D., Karger, J.

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Surface Self-Diffusion of Organic Molecules Adsorbed in Porous Silicon by Valiullin, Rustem, Kortunov, Pavel, Kärger, Jörg, Timoshenko, Viktor

“…The pulsed field gradient nuclear magnetic resonance method has been employed to probe self-diffusion of organic guest molecules adsorbed in porous silicon…”
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Internal Transport Resistances and their Influence on Diffusion in Zeolites as Traced by Microscopic Measuring Techniques by Chmelik, Christian, Kortunov, Pavel, Vasenkov, Sergey, Kärger, Jörg

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Concentration-dependent self-diffusion of adsorbates in mesoporous materials by Valiullin, Rustem, Kortunov, Pavel, Kärger, Jörg, Timoshenko, Viktor

“…The pulsed-field gradient NMR method has been applied to study self-diffusion of liquids in mesoporous materials with different pore sizes and morphologies as…”
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Anwendung von Interferenz‐ und IR‐Mikroskopie zur Charakterisierung und Untersuchung des Stofftransportes in nanoporösen Materialien by Heinke, L., Chmelik, C., Kortunov, P., Vasenkov, S., Ruthven, D. M., Shah, D. B., Kärger, J.

“…Die Anwendung der Interferenz‐Mikroskopie bedeutet einen entscheidenden Durchbruch in der Untersuchung des Stofftransports von Gastmolekülen in nanoporösen…”
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