Search Results - "Koktan, Jakub"

Application of bare gold nanoparticles in open-tubular CEC separations of polyaromatic hydrocarbons and peptides by Řezanka, Pavel, Ehala, Sille, Koktan, Jakub, Sýkora, David, Žvátora, Pavel, Vosmanská, Magda, Král, Vladimír, Mikšík, Ivan, Čeřovský, Václav, Kašička, Václav

“…In this study, bare gold nanoparticles (GNPs) immobilized in the sol–gel‐pretreated fused‐silica (FS) capillary as a stationary phase for open‐tubular…”
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Mechanistic study of dissolution enhancement by interactive mixtures of chitosan with meloxicam as model by Brokešová, Jana, Slámová, Michaela, Zámostný, Petr, Kuentz, Martin, Koktan, Jakub, Krejčík, Lukáš, Vraníková, Barbora, Svačinová, Petra, Šklubalová, Zdenka

“…•Mixing/co-milling with chitosan increased dissolution rate of meloxicam greatly.•The observed effect was facilitated by meloxicam-chitosan interactive…”
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Zn-substituted iron oxide nanoparticles from thermal decomposition and their thermally treated derivatives for magnetic solid-phase extraction by Kubíčková, Lenka, Koktan, Jakub, Kořínková, Tereza, Klementová, Mariana, Kmječ, Tomáš, Kohout, Jaroslav, Weidenkaff, Anke, Kaman, Ondřej

“…•Stoichiometric Zn-doped magnetite particles were prepared by thermal decomposition.•Cation distribution was obtained from XRF and Mössbauer…”
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Magnetoconductivity of the La1-xSrxMnO3@TiO2 Nanocomposite by Koktan, Jakub, Goglio, Graziella, Hejtmanek, Jiri, Jirak, Zdenek, Knizek, Karel, Kulickova, Jarmila, Marysko, Miroslav, Kaman, Ondrej

“…This paper deals with tunneling magnetoresistance in a composite system of the so-called 0-3 connectivity, in which ferromagnetic (FM) metallic nanoparticles…”
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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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Magnetic oxide particles with gold nanoshells: Synthesis, properties and cytotoxic effects by Koktan, Jakub, Královec, Karel, Havelek, Radim, Kuličková, Jarmila, Řezanka, Pavel, Kaman, Ondřej

“…[Display omitted] •Gold nanoshells are formed around superparamagnetic Mn-Zn ferrite with silica.•The product shows low cytotoxic effects and efficient…”
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Magnetoconductivity of the La 1–xSrxMnO3@TiO2 Nanocomposite by Koktan, Jakub, Goglio, Graziella, Hejtmánek, Jiří, Jirák, Zdeněk, Knížek, Karel, Kuličková, Jarmila, Maryško, Miroslav, Kaman, Ondřej

“…This paper deals with tunneling magnetoresistance in a composite system of the so-called 0–3 connectivity, in which ferromagnetic (FM) metallic nanoparticles…”
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Magnetoconductivity of the La 1– x Sr x MnO 3 @TiO 2 Nanocomposite by Koktan, Jakub, Goglio, Graziella, Hejtmanek, Jiri, Jirak, Zdenek, Knizek, Karel, Kulickova, Jarmila, Marysko, Miroslav, Kaman, Ondrej

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Preparation of Mn-Zn ferrite nanoparticles and their silica-coated clusters: Magnetic properties and transverse relaxivity by Kaman, Ondřej, Kuličková, Jarmila, Herynek, Vít, Koktan, Jakub, Maryško, Miroslav, Dědourková, Tereza, Knížek, Karel, Jirák, Zdeněk

“…Hydrothermal synthesis of Mn1−xZnxFe2O4 nanoparticles followed by direct encapsulation of the as-grown material into silica is demonstrated as a fast and…”
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Magnetoconductivity of the La1– x Sr x MnO3@TiO2 Nanocomposite by Koktan, Jakub, Goglio, Graziella, Hejtmanek, Jiri, Jirak, Zdenek, Knizek, Karel, Kulickova, Jarmila, Marysko, Miroslav, Kaman, Ondrej

“…This paper deals with tunneling magnetoresistance in a composite system of the so-called 0-3 connectivity, in which ferromagnetic (FM) metallic nanoparticles…”
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Titania-coated manganite nanoparticles: Synthesis of the shell, characterization and MRI properties by Jirák, Zdeněk, Kuličková, Jarmila, Herynek, Vít, Maryško, Miroslav, Koktan, Jakub, Kaman, Ondřej

“…Novel procedure for coating of oxide nanoparticles with titania, employing hydrolysis and polycondensation of titanium alkoxides under high-dilution conditions…”
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Chiral supramolecular nanoparticles: The study of chiral surface modification of silver nanoparticles by cysteine and its derivatives by Koktan, Jakub, Sedláčková, Helena, Osante, Iñaki, Cativiela, Carlos, Díaz Díaz, David, Řezanka, Pavel

“…•Cysteine, penicillamine, α-methylcystein immobilization on nanoparticles was proved.•Different nanoparticles have similar optical activity in the presence of…”
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Spectrometric determination of l-cysteine and its enantiomeric purity using silver nanoparticles by Řezanka, Pavel, Koktan, Jakub, Řezanková, Hana, Matějka, Pavel, Král, Vladimír

“…•ECD signal of AgNPs-cysteine depends on cysteine and buffers concentrations and pH.•Chemometric evaluation allowed estimating pH, cysteine and buffers…”
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Silica-coated manganite and Mn-based ferrite nanoparticles: a comparative study focused on cytotoxicity by Kaman, Ondřej, Dědourková, Tereza, Koktan, Jakub, Kuličková, Jarmila, Maryško, Miroslav, Veverka, Pavel, Havelek, Radim, Královec, Karel, Turnovcová, Karolína, Jendelová, Pavla, Schröfel, Adam, Svoboda, Ladislav

“…Magnetic oxide nanoparticles provide a fascinating tool for biological research and medicine, serving as contrast agents, magnetic carriers, and core materials…”
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Manganese‐Zinc Ferrites: Safe and Efficient Nanolabels for Cell Imaging and Tracking In Vivo by Herynek, Vít, Turnovcová, Karolína, Gálisová, Andrea, Kaman, Ondřej, Mareková, Dana, Koktan, Jakub, Vosmanská, Magda, Kosinová, Lucie, Jendelová, Pavla

“…Manganese‐zinc ferrite nanoparticles were synthesized by using a hydrothermal treatment, coated with silica, and then tested as efficient cellular labels for…”
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