Národní úložiště šedé literatury Nalezeno 22 záznamů.  1 - 10dalšíkonec  přejít na záznam: Hledání trvalo 0.01 vteřin. 
Dialytic Separation of Anions from DMSO Solution Facilitated by dendritic Receptors.
Cuřínová, Petra ; Winkler, Maximilian ; Krupková, Alena ; Budka, J. ; Wun, Ch.N. ; Blechta, Vratislav ; Červenková Šťastná, Lucie ; Sýkora, Jan ; Strašák, Tomáš
As the dialytic tubing is impermeable for big molecules of receptor, the anions crossing the barrier of dialytic tubing to form complex with the receptor stay entrapped inside and can be removed from the solution. NMR methods were used to study the complexation properties of given receptors as well as to determine the concentration changes during dialytic experiments.
Plný tet: SKMBT_C22019041212330 - Stáhnout plný textPDF
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Carbon-Carbon Couplings between Chemically Equivalent or almost Equivalent Nuclei.
Blechta, Vratislav ; Strašák, Tomáš ; Sýkora, Jan
We present here a modification of the above experiment with the aim of increasing the sensitivity. This can be achieved by 2D J-resolved refocused INADEQUATE without decoupling during preparation period but with decoupling during acquisition and equilibrium periods. The experiment is discussed with respect to the sensitivity and influence of strong couplings.
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Measurement of Carbon-Carbon Coupling between Chemically Equivalent Nuclei.
Blechta, Vratislav ; Strašák, Tomáš ; Sýkora, Jan
We present here a modification of the above experiment with aim of increasing the sensivity. The experiment is discussed with respect to the sensivity and influence of strong couplings.
Plný tet: SKMBT_22317011109290 - Stáhnout plný textPDF
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Molecular Dynamics in Selected Polycyclic Aromatic Compounds Monitored by Measurement of Selected Structural Parameters
Sýkora, Jan ; Strašák, Tomáš ; Blechta, Vratislav ; Dračínský, Martin ; Císařová, I.
The polycyclic aromatic compounds attract scientific attention namely due to their conjugated π-π aromatic systems which promise many interesting and unusual optical and electronic properties. Some of these compounds were shown to be effective in the development of materials useful e.g. in molecular-based electronics.
Plný tet: SKMBT_C22015080508250 - Stáhnout plný textPDF
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29Si NMR Phenylsilane Polymer Analysis
Pinkas, Jiří ; Blechta, Vratislav ; Karban, Jindřich ; Sýkora, Jan
Here we focus on the analysis od dehydrocoupling polymerization reactions of phenylsilane. the molar mass distribution depends on the catalytic system and can be easily monitored by on-flow LC-NMR experiment.
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Národní úložiště šedé literatury : Nalezeno 22 záznamů.   1 - 10dalšíkonec  přejít na záznam:
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1 Blechta, Václav
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