Search Results - "Veverka, Pavel"

Quantitative Biology of Human Shelterin and Telomerase: Searching for the Weakest Point by Veverka, Pavel, Janovič, Tomáš, Hofr, Ctirad

“…The repetitive telomeric DNA at chromosome ends is protected from unwanted repair by telomere-associated proteins, which form the shelterin complex in mammals…”
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Electron microscopy reveals toroidal shape of master neuronal cell differentiator REST – RE1-silencing transcription factor by Veverka, Pavel, Brom, Tomáš, Janovič, Tomáš, Stojaspal, Martin, Pinkas, Matyáš, Nováček, Jiří, Hofr, Ctirad

“…The RE1-Silencing Transcription factor (REST) is essential for neuronal differentiation. Here, we report the first 18.5-angstrom electron microscopy structure…”
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Influence of surface and finite size effects on the structural and magnetic properties of nanocrystalline lanthanum strontium perovskite manganites by Žvátora, Pavel, Veverka, Miroslav, Veverka, Pavel, Knížek, Karel, Závěta, Karel, Pollert, Emil, Král, Vladimír, Goglio, Graziella, Duguet, Etienne, Kaman, Ondřej

“…Syntheses of nanocrystalline perovskite phases of the general formula La1−xSrxMnO3+δ were carried out employing sol–gel technique followed by thermal treatment…”
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Mechanism of hypercrosslinking of chloromethylated styrene–divinylbenzene copolymers by Veverka, Pavel, Jeřábek, Karel

“…Hypercrosslinked polymers are remarkable materials exhibiting extremely high apparent surface area and exceptional sorption properties. Their special…”
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Influence of hypercrosslinking on adsorption and absorption on or in styrenic polymers by Veverka, Pavel, Jeřábek, Karel

“…Hypercrosslinking of swollen resins can substantially modify their sorption properties. This effect was investigated on three series of polymers with different…”
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Phosphorylation of TRF2 promotes its interaction with TIN2 and regulates DNA damage response at telomeres by Storchova, Radka, Palek, Matous, Palkova, Natalie, Veverka, Pavel, Brom, Tomas, Hofr, Ctirad, Macurek, Libor

“…Protein phosphatase magnesium-dependent 1 delta (PPM1D) terminates the cell cycle checkpoint by dephosphorylating the tumour suppressor protein p53. By…”
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Human Telomere Repeat Binding Factor TRF1 Replaces TRF2 Bound to Shelterin Core Hub TIN2 when TPP1 Is Absent by Janovič, Tomáš, Stojaspal, Martin, Veverka, Pavel, Horáková, Denisa, Hofr, Ctirad

“…Human telomeric repeat binding factors TRF1 and TRF2 along with TIN2 form the core of the shelterin complex that protects chromosome ends against unwanted…”
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Magnetic properties, 57Fe Mössbauer spectroscopy and 1H NMR relaxometry of ε-Fe2−xGaxO3 nanoparticles: The effect of gallium doping on magnetic and MRI performance by Kubíčková, Lenka, Kaman, Ondřej, Veverka, Pavel, Herynek, Vít, Brázda, Petr, Bernášek, Karel, Veverka, Miroslav, Kohout, Jaroslav

“…•Ga-doped epsilon-Fe2O3 nanoparticles formed in a mesoporous silica matrix.•Doping increases magnetization and suppresses spin-reorientation…”
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Inkjet-printed Mn-Zn ferrite nanoparticle core for fluxgate by Hrakova, Diana, Ripka, Pavel, Laposa, Alexandr, Novotny, David, Kroutil, Jiří, Povolný, Vojtěch, Kaman, Ondřej, Veverka, Pavel

“…•Stable magnetic ink was prepared using 13 nm diameter Mn-Zn ferrite nanoparticles.•17 mm diameter 2.2 μm thick ring core was inkjet printed on PET…”
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Temperature and field dependences of transverse relaxivity of Co–Zn ferrite nanoparticles coated with silica: The role of magnetic properties and different regimes by Veverka, Pavel, Kubíčková, Lenka, Jirák, Zdeněk, Herynek, Vít, Veverka, Miroslav, Kaman, Ondřej

“…The transverse relaxivity r2, characterizing the performance of negative contrast agents like magnetic nanoparticles in T2-weighted MRI, depends on multiple…”
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Transverse Relaxivity of Nanoparticle Contrast Agents for MRI: Different Magnetic Cores and Coatings by Kaman, Ondrej, Herynek, Vit, Veverka, Pavel, Kubickova, Lenka, Pashchenko, Mariia, Kulickova, Jarmila, Jirak, Zdenek

“…Four types of magnetic nanoparticles were synthesized, namely, the La 0.65 Sr 0.35 MnO 3 and La 0.80 Na 0.20 MnO 3 perovskite manganites and the Mn 0.61 Zn…”
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Magnetic particle spectroscopy and magnetic particle imaging of zinc and cobalt ferrite nanoparticles: Distinct relaxation mechanisms by Kaman, Ondřej, Kubániová, Denisa, Kubíčková, Lenka, Herynek, Vít, Veverka, Pavel, Jirák, Zdeněk, Pashchenko, Mariia, Kmječ, Tomáš, Veverka, Miroslav, Štorkán, Mojmír, Hofmann, Ulrich G., Kohout, Jaroslav

“…Magnetic particle imaging (MPI) is an emerging imaging method based on the nonlinear response of superparamagnetic tracers to a sinusoidal AC magnetic field…”
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Magnetic nanoparticles of Ga-substituted ε-Fe 2 O 3 for biomedical applications: Magnetic properties, transverse relaxivity, and effects of silica-coated particles on cytoskeletal networks by Královec, Karel, Havelek, Radim, Koutová, Darja, Veverka, Pavel, Kubíčková, Lenka, Brázda, Petr, Kohout, Jaroslav, Herynek, Vít, Vosmanská, Magda, Kaman, Ondřej

“…Magnetic nanoparticles of ε-Fe Ga O with the volume-weighted mean size of 17 nm were prepared by thermal treatment of a mesoporous silica template impregnated…”
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Mn-Zn ferrite nanoparticles coated with mesoporous silica as core material for heat-triggered release of therapeutic agents by Stergar, Janja, Jirák, Zdeněk, Veverka, Pavel, Kubíčková, Lenka, Vrba, Tomáš, Kuličková, Jarmila, Knížek, Karel, Porcher, Florence, Kohout, Jaroslav, Kaman, Ondřej

“…•Cation distribution was determined in 10-nm sized Mn0.6Zn0.4Fe2O4 particles.•Small clusters of Mn-Zn ferrite crystallites were coated with mesoporous…”
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Magnetic, FMR and mössbauer studies of nanocrystalline greigite by Pashchenko, Mariia, Veverka, Pavel, Kmječ, Tomáš, Kaman, Ondřej, Kubíčková, Lenka, Kohout, Jaroslav, Klementová, Mariana, Kravchuk, Olha, Vakula, Arthur, Tarapov, Sergey, Hejtmánek, Jiří, Knížek, Karel

“…Iron sulphide Fe3S4, known as the mineral greigite, has been prepared in two distinct nanocrystalline forms with the mean crystallite size of dXRD ≈ 30 and…”
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Rod-like particles of silica-coated maghemite: Synthesis via akaganeite, characterization and biological properties by Veverka, Pavel, Pashchenko, Mariia, Kubíčková, Lenka, Kuličková, Jarmila, Jirák, Zdeněk, Havelek, Radim, Královec, Karel, Kohout, Jaroslav, Kaman, Ondřej

“…•Rod-like maghemite particles were prepared by using an akaganeite precursor.•The oxidation state of Fe was unambiguously determined by Mössbauer…”
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Magnetic nanoparticles of Ga‐substituted ε‐Fe2O3 for biomedical applications: Magnetic properties, transverse relaxivity, and effects of silica‐coated particles on cytoskeletal networks by Královec, Karel, Havelek, Radim, Koutová, Darja, Veverka, Pavel, Kubíčková, Lenka, Brázda, Petr, Kohout, Jaroslav, Herynek, Vít, Vosmanská, Magda, Kaman, Ondřej

“…Magnetic nanoparticles of ε‐Fe1.76Ga0.24O3 with the volume‐weighted mean size of 17 nm were prepared by thermal treatment of a mesoporous silica template…”
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Clusters of Magnetic Nanoparticles as Contrast Agents for MRI: Effect of Aggregation on Transverse Relaxivity by Dedourkova, Tereza, Kaman, Ondrej, Veverka, Pavel, Koktan, Jakub, Veverka, Miroslav, Kulickova, Jarmila, Jirak, Zdenek, Herynek, Vit

“…The effect of aggregation of magnetic nanoparticles on the transverse relaxivity (r 2 ) is analyzed with respect to the size of clusters. The nanoparticles…”
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Poly(p-phenylenediamine)/maghemite composite as highly effective adsorbent for anionic dye removal by Minisy, Islam M., Zasońska, Beata A., Petrovský, Eduard, Veverka, Pavel, Šeděnková, Ivana, Hromádková, Jiřina, Bober, Patrycja

“…Poly(p-phenylenediamine)/maghemite (PPDA/γ-Fe2O3) composites were prepared by the oxidative polymerization of p-phenylenediamine with ammonium peroxodisulfate…”
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The ε-AlxFe2-xO3 nanomagnets as MRI contrast agents: Factors influencing transverse relaxivity by Kubíčková, Lenka, Kaman, Ondřej, Veverka, Pavel, Herynek, Vít, Brázda, Petr, Vosmanská, Magda, Kmječ, Tomáš, Dvořák, Petr, Kubániová, Denisa, Kohout, Jaroslav

“…[Display omitted] •Nanoparticles of ε-Al0.23Fe1.77O3 are in blocked state with coercivity ∼1.5 T at RT.•Transverse relaxivity r2 is strongly affected by…”
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